阅读说明：本技术 一种日光追踪机构 (Sunlight tracking mechanism ) 是由 张祖涛 王浩 罗大兵 潘亚嘉 于 2019-10-09 设计创作，主要内容包括：本发明提供了一种日光追踪机构,涉及机构设计领域。底座的中部腰线两侧分别设有立式轴承座,外侧设有直角电机一,其输出轴通过联轴器与转轴支撑架的第二阶梯轴固连；底座的另一端设有直角电机二,通过联轴器与转轴一固连,转轴一外圈与轴承二内圈过盈配合,轴承二的外圈与底座的另一个立式轴承座下部及轴承座上盖过盈配合；所述转轴一中部偏左位置设有锥齿轮一,锥齿轮二通过平键与转轴二固连；所述转轴二外径与轴承四的内圈过盈配合,所述轴承四分别与转轴支撑架“凸”字形平面结构中部的通孔及支撑轴承臂前端的通孔过渡配合；两个光伏支撑架分布在转轴二的两端,通过其下部的通孔与转轴二固连。(The invention provides a sunlight tracking mechanism, and relates to the field of mechanism design. Two sides of the middle waist line of the base are respectively provided with a vertical bearing seat, the outer side of the base is provided with a first right-angle motor, and an output shaft of the first right-angle motor is fixedly connected with a second stepped shaft of the rotating shaft supporting frame through a coupler; the other end of the base is provided with a right-angle motor II which is fixedly connected with a rotating shaft I through a coupler, the outer ring of the rotating shaft I is in interference fit with the inner ring of a bearing II, and the outer ring of the bearing II is in interference fit with the lower part of the other vertical bearing seat of the base and the upper cover of the bearing seat; a first bevel gear is arranged at the position of the middle part of the first rotating shaft, which is deviated to the left, and a second bevel gear is fixedly connected with a second rotating shaft through a flat key; the outer diameter of the second rotating shaft is in interference fit with the inner ring of the fourth bearing, and the fourth bearing is in transition fit with a through hole in the middle of the convex planar structure of the rotating shaft supporting frame and a through hole at the front end of the supporting bearing arm respectively; and the two photovoltaic support frames are distributed at two ends of the second rotating shaft and are fixedly connected with the second rotating shaft through the through holes at the lower parts of the two photovoltaic support frames.)

1. A sunlight tracking mechanism comprises a base (6) and a swinging mechanism, and is characterized in that: the base (6) is of a strip plate type structure, vertical bearing seats (18) are respectively arranged on two sides of the middle waist line of the base, a first right-angle motor (3) is arranged on the outer sides of the vertical bearing seats (18), and an output shaft of the first right-angle motor is fixedly connected with a second stepped shaft of a rotating shaft support frame (4) on the inner side of each vertical bearing seat through a coupler (10); the rotating shaft supporting frame (4) is viewed as a convex plane structure in a depression manner, four screw holes are formed in the upper part of the rotating shaft supporting frame, a through hole is formed in the middle of the rotating shaft supporting frame, hanging lugs are arranged on two sides of the rotating shaft supporting frame, a through hole is formed in the hanging lug on one side of the rotating shaft supporting frame, a blind hole is coaxially formed in the inner side of the hanging lug on the other side of the rotating shaft supporting frame, a second-stage stepped shaft is arranged on the outer side of the hanging lug on the other side of the rotating shaft supporting frame, a first step of the second-stage stepped shaft is in interference fit; the other end of the base (6) is provided with a right-angle motor II (8) which is fixedly connected with one end of a rotating shaft I (7) through a coupler (10), the outer diameter of the rotating shaft I (7) is in interference fit with the inner ring of a bearing II (12), and the outer ring of the bearing II is in interference fit with the upper half slot of the other vertical bearing seat (18) of the base (6) and the upper cover (11) of the bearing seat; the other end of the rotating shaft I (7) is fixed with a blind hole of the rotating shaft supporting frame (4) through a bearing II (12); the outer diameter of a rotating shaft I (7) on the inner side of a bearing II (12) is in transition fit with an inner ring of a bearing III (13), and an outer ring of the bearing III (13) is in interference fit with a through hole of a lug on one side of a rotating shaft support frame (4); a first bevel gear (5) which is meshed with a second bevel gear (9) at a right angle is arranged at the left position of the middle part of the first rotating shaft (7), and the second bevel gear (9) is fixedly connected with the second rotating shaft (2) through a flat key; the outer diameter of the second rotating shaft (2) is in interference fit with the inner ring of a fourth bearing (17), and the fourth bearing (17) is in transition fit with a through hole in the middle of a 'convex' planar structure of the rotating shaft supporting frame (4) and a through hole at the front end of the supporting bearing arm (16) respectively; the fixed end of the supporting bearing arm (16) is fixedly connected with the rotating shaft supporting frame (4) through a bolt; two photovoltaic support frames (15) are distributed at two ends of the second rotating shaft (2) and fixedly connected with the second rotating shaft (2) through the through holes at the lower parts of the two photovoltaic support frames, and a photovoltaic mounting plate (1) is arranged on the upper part of each photovoltaic support frame (15).

2. A sunlight tracking mechanism according to claim 1, wherein: the first right-angle motor (3) and the second right-angle motor (8) are both worm and gear speed reducing motors with power-off self-locking functions.

Technical Field

The invention relates to the field of mechanism design.

Background

The growing shortage of world energy and the continuous deterioration of air environment make the development and utilization of green and environment-friendly new energy become a research hotspot, and solar energy has great utilization value as pollution-free renewable energy. As a method for effectively improving the photovoltaic power generation efficiency, photovoltaic tracking is also becoming a popular direction of research.

According to the search, a related photovoltaic tracking device is provided at present, for example, the Chinese patent with the Chinese patent application number of 201510761343.4 named as 'a solar photovoltaic unilateral positioning ground sun tracking system', the device comprises a photovoltaic component, a tappet rod, a base, a universal wheel and a semi-reflecting and semi-permeable film reflecting plate, the device receives sunlight angle information through a control system, and unilateral inclination angle transformation of the photovoltaic plate is controlled through the tappet rod. The device simple structure, but only can realize the single-axis light tracking, it is limited to promote photovoltaic system generating efficiency.

For another example, the chinese patent with chinese patent application number C201811301081.3 named "biaxial self-tracking photovoltaic solar support mechanism" is characterized in that: the device mainly comprises a pitching adjusting mechanism, a horizontal rotating mechanism and a driving connecting part, and can enable the same motor to respectively control the tracking devices in two directions by matching a mechanical commutator with an electromagnetic clutch. The device has the following defects that firstly, the whole system structure is complex, the system volume is large, the installation and the maintenance are inconvenient, and secondly, the adopted electronic equipment is more, so that the system structure stability is poor, and the service life is influenced.

In view of the above situation of the sunlight tracking device, it is necessary to develop a small photovoltaic tracking device with high efficiency improvement and simple and reliable structure.

Disclosure of Invention

The invention aims to provide a sunlight tracking mechanism which can effectively solve the problem of low energy collection efficiency of a solar panel.

The purpose of the invention is realized by the following technical scheme: the utility model provides a sunlight tracking mechanism, includes base and swing mechanism, its characterized in that: the base is of a strip plate type structure, vertical bearing seats are respectively arranged on two sides of the middle waist line of the base, a first right-angle motor is arranged on the outer side of each vertical bearing seat, and an output shaft of the first right-angle motor is fixedly connected with a second stepped shaft of a rotating shaft support frame on the inner side of each vertical bearing seat through a coupler; the rotating shaft supporting frame is viewed as a convex plane structure in a depression manner, four screw holes are formed in the upper portion of the rotating shaft supporting frame, a through hole is formed in the middle of the rotating shaft supporting frame, hanging lugs are arranged on two sides of the rotating shaft supporting frame, a through hole is formed in the hanging lug on one side, a blind hole which is coaxial with the hanging lug on the other side is formed in the inner side of the hanging lug on the other side, a second-stage stepped shaft is arranged on the outer side of the hanging lug on the other side, a first step of the second-stage stepped shaft is; the other end of the base is provided with a right-angle motor II which is fixedly connected with one end of a rotating shaft I through a coupler, the outer diameter of the rotating shaft I is in interference fit with the inner ring of a bearing II, and the outer ring of the bearing II is in interference fit with the upper half slot of the other vertical bearing seat of the base and the upper cover of the bearing seat; the other end of the rotating shaft I is fixed with the blind hole of the rotating shaft supporting frame through a bearing II; the outer diameter of the first rotating shaft on the inner side of the second bearing is in transition fit with the inner ring of the third bearing, and the outer ring of the third bearing is in interference fit with the through hole of the lug on one side of the rotating shaft support frame; a first bevel gear I meshed with the bevel gear at right angles is arranged at the left middle part of the first rotating shaft, and a second bevel gear II is fixedly connected with a second rotating shaft through a flat key; the outer diameter of the second rotating shaft is in interference fit with the inner ring of the fourth bearing, and the fourth bearing is in transition fit with a through hole in the middle of the convex planar structure of the rotating shaft supporting frame and a through hole at the front end of the supporting bearing arm respectively; the fixed end of the supporting bearing arm is fixedly connected with the rotating shaft supporting frame through a bolt; and the two photovoltaic support frames are distributed at two ends of the second rotating shaft and are fixedly connected with the second rotating shaft through the through holes at the lower parts of the two photovoltaic support frames, and the photovoltaic mounting plates are arranged at the upper parts of the photovoltaic support frames.

The first right-angle motor and the second right-angle motor are both worm and gear speed reducing motors with power-off self-locking functions. The first right-angle motor and the second right-angle motor are both worm and gear speed reducing motors with power-off self-locking functions.

The working process and the working principle of the invention are as follows:

when the first right-angle motor and the second right-angle motor move synchronously, the rotating shaft supporting frame driven by the first right-angle motor and the rotating shaft driven by the second right-angle motor rotate synchronously, the rotating shaft supporting frame and the rotating shaft are kept relatively static at the moment, the second tracking mechanism is also kept relatively static, and the photovoltaic mounting plate rotates around the axis of the first rotating shaft along with the second tracking mechanism to realize the single-shaft photovoltaic tracking function.

When the first right-angle motor moves to be locked and the second right-angle motor rotates, the right-angle motor keeps the rotating shaft supporting frame fixed, the second right-angle motor drives the first rotating shaft to rotate, the first rotating shaft drives the bevel gear to rotate, the bevel gear meshed with the first bevel gear is further driven to rotate, the second rotating shaft is driven to rotate around the axis of the second rotating shaft, the photovoltaic mounting plate fixedly connected with the second rotating shaft through the photovoltaic supporting rod also rotates around the axis of the second rotating shaft along with the rotation of the second rotating shaft, and the vertical axial photovoltaic tracking function is achieved.

After the sun rises, the clock chip sends an electric signal to the control unit every 15 minutes, and when the control unit controls the first right-angle motor and the second right-angle motor to do asynchronous motion simultaneously, the motion process is achieved simultaneously, and the function of quickly adjusting the angle of the photovoltaic panel for receiving sunlight is achieved. A

After the sun falls into a mountain, the clock chip sends an electric signal to the control unit, and the control unit controls the first right-angle motor and the second right-angle motor to execute reset action, so that the device is reset.

Compared with the prior art, the invention has the beneficial effects that:

the photovoltaic mounting plate is driven by the meshing of the bevel gears to realize the double-shaft rotation of the photovoltaic mounting plate, the structure is simple and compact, the manufacturing and the installation of a miniature photovoltaic system are convenient, and the system stability is high.

The photovoltaic mounting plate is wide in adjustable range, and when snow or dust is accumulated on the surface of the photovoltaic plate, the photovoltaic mounting plate can be overturned to achieve the purpose of removing dirt, so that the photovoltaic collection efficiency is further improved.

The device mainly adopts a mechanical structure and does not adopt a hydraulic power system, so that the device has high reliability, low manufacturing cost and lower maintenance and curing cost.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of a first tracking mechanism of the present invention;

FIG. 3 is a schematic view of a second tracking mechanism of the present invention;

FIG. 4 is a schematic view of a spindle support according to the present invention;

fig. 5 is a schematic view of the structure of the bearing seat of the present invention.

Fig. 6 is a schematic view of the operation of the control part in the present invention.

Detailed Description

The invention is described in further detail below with reference to the following drawings and detailed description: a sunlight tracking mechanism comprises a base 6 and a swinging mechanism, wherein the base 6 is of a long strip plate type structure, vertical bearing seats 18 are respectively arranged on two sides of the middle waist line of the base, a right-angle motor I3 is arranged on the outer sides of the vertical bearing seats 18, and an output shaft of the right-angle motor I is fixedly connected with a second stepped shaft of a rotating shaft support frame 4 on the inner side of each vertical bearing seat through a coupler 10; the rotating shaft supporting frame 4 is viewed as a convex plane structure in a depression manner, four screw holes are formed in the upper portion of the rotating shaft supporting frame, a through hole is formed in the middle of the rotating shaft supporting frame, hanging lugs are formed in two sides of the rotating shaft supporting frame, a through hole is formed in the hanging lug on one side of the rotating shaft supporting frame, a blind hole is formed in the inner side of the hanging lug on the other side of the rotating shaft supporting frame in a coaxial mode, a secondary stepped shaft is arranged on the outer side of the hanging lug on the other side of the rotating shaft supporting frame, a first step of the; the other end of the base 6 is provided with a right-angle motor II 8 which is fixedly connected with one end of a rotating shaft I7 through a coupler 10, the outer diameter of the rotating shaft I7 is in interference fit with the inner ring of a bearing II 12, and the outer ring of the bearing II is in interference fit with the upper half slot of the other vertical bearing seat 18 of the base 6 and the upper cover 11 of the bearing seat; the other end of the rotating shaft I7 is fixed with a blind hole of the rotating shaft support frame 4 through a bearing II 12; the outer diameter of the rotating shaft I7 on the inner side of the bearing II 12 is in transition fit with the inner ring of the bearing III 13, and the outer ring of the bearing III 13 is in interference fit with the through hole of the lug on one side of the rotating shaft support frame 4; a first bevel gear 5 meshed with a second bevel gear 9 at a right angle is arranged on the left side of the middle part of the first rotating shaft 7, and the second bevel gear 9 is fixedly connected with a second rotating shaft 2 through a flat key; the outer diameter of the second rotating shaft 2 is in interference fit with the inner ring of a fourth bearing 17, and the fourth bearing 17 is in transition fit with a through hole in the middle of the convex planar structure of the rotating shaft supporting frame 4 and a through hole at the front end of the supporting bearing arm 16 respectively; the fixed end of the supporting bearing arm 16 is fixedly connected with the rotating shaft supporting frame 4 through a bolt; two photovoltaic support frames 15 are distributed at two ends of the second rotating shaft 2 and are fixedly connected with the second rotating shaft 2 through holes in the lower portions of the two photovoltaic support frames, and a photovoltaic mounting plate 1 is arranged on the upper portion of each photovoltaic support frame 15.

The first right-angle motor 3 and the second right-angle motor 8 are both worm and gear speed reducing motors with power-off self-locking functions.

The photovoltaic tracking mechanism is wirelessly remotely controlled by an indoor clock chip and a control system to perform photovoltaic tracking movement.

The working process and the working principle of the invention are as follows:

when the first right-angle motor 3 and the second right-angle motor 8 move synchronously, the rotating shaft supporting frame 4 driven by the first right-angle motor 3 and the rotating shaft I7 driven by the second right-angle motor 8 rotate synchronously, the rotating shaft supporting frame 4 and the rotating shaft I7 are kept relatively static at the moment, the second tracking mechanism is also kept relatively static, and the photovoltaic mounting plate 1 rotates around the axle center of the first rotating shaft I7 along with the second tracking mechanism to move rotationally, so that the single-shaft photovoltaic tracking function is realized.

When the first right-angle motor 3 moves to be locked and the second right-angle motor 8 rotates, the first right-angle motor 3 keeps the rotating shaft supporting frame 4 fixed, the second right-angle motor 8 drives the first rotating shaft 7 to rotate, the first rotating shaft 7 drives the first bevel gear 5 to rotate, and the second bevel gear 9 meshed with the first bevel gear 5 is further driven to rotate, so that the second rotating shaft 2 is driven to rotate around the axis of the second rotating shaft 2, at the moment, the photovoltaic mounting plate 1 fixedly connected with the second rotating shaft 2 through the photovoltaic supporting rod 15 also rotates around the axis of the second rotating shaft 2 along with the rotation of the second rotating shaft 2, and the function of photovoltaic tracking in the vertical axial direction is achieved.

After the sun rises, the clock chip sends an electric signal to the control unit every 15 minutes, and when the control unit controls the first right-angle motor 3 and the second right-angle motor 8 to do asynchronous motion simultaneously, the motion process is achieved simultaneously, and the function of quickly adjusting the angle of the photovoltaic panel for receiving sunlight is achieved. A

After the sun falls into a mountain, the clock chip sends an electric signal to the control unit, and the control unit controls the first right-angle motor 3 and the second right-angle motor 8 to execute reset action, so that the device is reset.