CN-115842507-B - Photovoltaic system

CN115842507BCN 115842507 BCN115842507 BCN 115842507BCN-115842507-B

Abstract

The application relates to a photovoltaic system which is simple in structure, low in cost and easy to install, a transmission assembly in the photovoltaic system comprises a first rope, a second rope, a first telescopic rod, a second telescopic rod and a rope retraction wheel, wherein the first telescopic rod and the second telescopic rod respectively comprise a sleeve and a loop bar, the first rotating wheel is connected with the sleeve in a rotating mode, the second rotating wheel is connected with the third rotating wheel in a rotating mode, the loop bar is connected with a fourth rotating wheel accommodated in the sleeve in a rotating mode, one end of the first rope is fixed to the sleeve of the first telescopic rod, the other end of the first rope sequentially bypasses the third rotating wheel, the fourth rotating wheel and the second rotating wheel of the first telescopic rod, the third rotating wheel, the fourth rotating wheel and the second rotating wheel of the second telescopic rod and is fixed to the rope retraction wheel, one end of the second rope is fixedly connected with the sleeve of the first telescopic rod, and the other end of the second rope sequentially bypasses the fourth rotating wheel, the first rotating wheel and the second rotating wheel of the second telescopic rod, and the third rotating wheel, the first rotating wheel, the fourth rotating wheel, the first rotating wheel and the second rotating wheel are fixed to the second rotating wheel are sequentially after the other end of the first rotating wheel and the second rotating wheel are fixed to the rope retraction wheel.

Inventors

GAO FENG
LIU ZAIXIANG
CHEN YANFENG
CAI YUANFENG
YAN HONG
GAO TIANQI

Assignees

上海兴邺材料科技有限公司

Dates

Publication Date: 20260512
Application Date: 20210918

Claims (9)

1. A photovoltaic system comprising at least one photovoltaic unit, wherein the photovoltaic unit comprises: A first bracket; a second support on which at least one photovoltaic panel is arranged and which is rotatably connected to the first support about a first axis of rotation, and The first motor is connected with the second bracket through a first transmission assembly to drive the second bracket to rotate around the first rotation axis; The first transmission assembly comprises a first rope, a second rope, a first telescopic rod, a second telescopic rod and a rope winding and unwinding wheel, wherein: The first telescopic rod and the second telescopic rod are arranged at intervals along the direction parallel to the first rotation axis, each of the first telescopic rod and the second telescopic rod comprises a sleeve and a sleeve rod movably inserted into the sleeve, one end of the sleeve rod is positioned outside the sleeve and is rotatably connected to the second bracket, the sleeve is rotatably connected to the first bracket, the inside of the sleeve is rotatably connected with the first rotating wheel, the outside of the sleeve is rotatably connected with the second rotating wheel and the third rotating wheel, and the sleeve rod is rotatably connected with the fourth rotating wheel accommodated in the sleeve; one end of the first rope is fixed to the sleeve of the first telescopic rod, and the other end of the first rope sequentially bypasses the third rotating wheel, the fourth rotating wheel and the second rotating wheel of the first telescopic rod and the third rotating wheel, the fourth rotating wheel and the second rotating wheel of the second telescopic rod and then surrounds and is fixed to the rope winding and unwinding wheel along a first surrounding direction; One end of the second rope is fixedly connected with the sleeve of the first telescopic rod, and the other end of the second rope sequentially bypasses the fourth rotating wheel, the first rotating wheel and the second rotating wheel of the first telescopic rod, and the third rotating wheel, the first rotating wheel, the fourth rotating wheel, the first rotating wheel and the second rotating wheel of the second telescopic rod, and then surrounds and is fixed to the rope winding and unwinding wheel along a second surrounding direction opposite to the first surrounding direction; the first motor is connected with the rope winding and unwinding wheel so as to drive the rope winding and unwinding wheel to rotate around the axis of the rope winding and unwinding wheel.
2. The photovoltaic system of claim 1, wherein the first motor is secured to the sleeve of the second telescoping rod.
3. The photovoltaic system of claim 1, wherein the first and second cords are each steel cords.
4. The photovoltaic system according to claim 1, wherein the outer peripheral surface of the rope reel is circumferentially provided with a plurality of ring grooves arranged at intervals in an axial direction of the rope reel, and the first rope and the second rope are respectively connected to two of the ring grooves.
5. The photovoltaic system of claim 1, wherein the plurality of photovoltaic panels is spaced apart along a first direction parallel to the first axis of rotation.
6. The photovoltaic system of claim 5, wherein each of the photovoltaic panels is rotatably connected to the second bracket about a respective second axis of rotation, wherein each of the second axes of rotation is perpendicular to the first axis of rotation and each of the second axes of rotation is parallel to each other.
7. The photovoltaic system of claim 6, wherein each of the photovoltaic panels is a rectangular structure, and a length of the rectangular structure is parallel to the second axis of rotation, and a width of the rectangular structure is parallel to the first axis of rotation.
8. The photovoltaic system of claim 1, wherein the plurality of photovoltaic units, the first motor of the plurality of photovoltaic units, and the rope reel of the plurality of photovoltaic units are the same rope reel.
9. The photovoltaic system according to claim 8, wherein the outer peripheral surface of the rope reel is circumferentially provided with a plurality of ring grooves arranged at intervals in an axial direction of the rope reel, and a plurality of the first ropes and a plurality of the second ropes are connected to the plurality of ring grooves in one-to-one correspondence, respectively.

Description

Photovoltaic system Technical Field The application relates to the field of photovoltaics, in particular to a photovoltaic system. Background The solar photovoltaic power generation uses a solar photovoltaic module as an electric conversion device to convert solar energy into electric energy, and the photovoltaic module is widely used as a novel energy source. Solar photovoltaic supports are used as supports and fixing pieces of photovoltaic modules in a large number of solar photovoltaic power stations. The photovoltaic fixed support device with the adjustable inclination angle is initially applied as a novel photovoltaic fixed support device, and the generated energy is remarkably improved. The transmission component for adjusting the angle of the photovoltaic panel in the traditional photovoltaic system, in particular to a mechanical rotating mechanism, has a plurality of gears and a variable box with a large speed ratio, and has the defects of complex structure, high cost, difficult installation, poor reliability and the like. Disclosure of Invention The technical problem solved by the application is to provide a photovoltaic system which is simple in structure, low in cost and easy to install. The technical scheme of the application is as follows: A photovoltaic system comprising at least one photovoltaic unit, the photovoltaic unit comprising: A first bracket; a second support on which at least one photovoltaic panel is arranged and which is rotatably connected to the first support about a first axis of rotation, and The first motor is connected with the second bracket through a first transmission assembly to drive the second bracket to rotate around the first rotation axis; The first transmission assembly comprises a first rope, a second rope, a first telescopic rod, a second telescopic rod and a rope winding and unwinding wheel, wherein: The first telescopic rod and the second telescopic rod are arranged at intervals along the direction parallel to the first rotation axis, each of the first telescopic rod and the second telescopic rod comprises a sleeve and a sleeve rod movably inserted into the sleeve, one end of the sleeve rod is positioned outside the sleeve and is rotatably connected to the second bracket, the sleeve is rotatably connected to the first bracket, the inside of the sleeve is rotatably connected with the first rotating wheel, the outside of the sleeve is rotatably connected with the second rotating wheel and the third rotating wheel, and the sleeve rod is rotatably connected with the fourth rotating wheel accommodated in the sleeve; one end of the first rope is fixed to the sleeve of the first telescopic rod, and the other end of the first rope sequentially bypasses the third rotating wheel, the fourth rotating wheel and the second rotating wheel of the first telescopic rod and the third rotating wheel, the fourth rotating wheel and the second rotating wheel of the second telescopic rod and then surrounds and is fixed to the rope winding and unwinding wheel along a first surrounding direction; One end of the second rope is fixedly connected with the sleeve of the first telescopic rod, and the other end of the second rope sequentially bypasses the fourth rotating wheel, the first rotating wheel and the second rotating wheel of the first telescopic rod, and the third rotating wheel, the first rotating wheel, the fourth rotating wheel, the first rotating wheel and the second rotating wheel of the second telescopic rod, and then surrounds and is fixed to the rope winding and unwinding wheel along a second surrounding direction opposite to the first surrounding direction; the first motor is connected with the rope winding and unwinding wheel so as to drive the rope winding and unwinding wheel to rotate around the axis of the rope winding and unwinding wheel. In an alternative design, the first motor is fixed to the sleeve of the second telescopic rod. In an alternative design, both the first rope and the second rope are steel cords. In an alternative design, a plurality of annular grooves are circumferentially arranged on the outer peripheral surface of the rope winding and unwinding wheel at intervals along the axial direction of the rope winding and unwinding wheel, and the first rope and the second rope are respectively connected to the two annular grooves. In an alternative design, the photovoltaic panels are a plurality of the photovoltaic panels spaced apart along a first direction parallel to the first axis of rotation. In an alternative design, each of the photovoltaic panels is connected to the second support in such a way as to be rotatable about a respective second axis of rotation, wherein each of the second axes of rotation is perpendicular to the first axis of rotation and each of the second axes of rotation is parallel to each other. In an alternative design, each of the photovoltaic panels is a rectangular structure, and the length of the rectangular structure is parallel