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Three-foot fixed biaxial full-automatic solar tracking device
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A solar tracking, fixed technology, applied in the field of solar photovoltaic power generation and solar thermal utilization, to achieve the effect of improving tracking accuracy, improving stability and tracking accuracy, and improving storm resistance.
Active Publication Date: 2013-01-23
GANSU CHINA POWER CONSTRUCTION PORT SHIP ENGINEERING CO LTD
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Problems solved by technology
[0005] The invention further innovates on the basis of the side-pull solar automatic tracking device, solves the coupling problem between the single axis and the double axis, and provides a simple structure by using the principle of leverage, three-point positioning, the origin of the mid-sky coordinates, and one-dimensional driving mode. , three-legged fixed two-axis fully automatic solar tracking device with low energy consumption, good stability, and strong anti-storm ability that can be precisely controlled
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Embodiment 1
[0042] Example 1: Sunny all day, follow the sun normally
[0043] 7:59: Light intensity signal collector 2 detects whether the sunlight intensity reaches the set value for device startup. If it is not reached, the device is in the waiting state of the Zhongtian position; if it is reached, the device will automatically and quickly turn from the Zhongtian position to the position corresponding to 8:00 of the day;
[0044] 8:00: The device automatically tracks the date. During the follow-up process, the auxiliary transmission mechanism does not start. If the device lags behind the sun for some reason, when the light intensity signal collector detects that the device lags behind the set angle, the light intensity signal collector sends out a correction signal to make the device rotate quickly to reach the real-time tracking position; The equipment follows the sun ahead, when the light intensity signal collector detects that the equipment has reached a certain set angle ahead, th...
Embodiment 2
[0046] Embodiment 2: Sunny to rainy on the way with the day
[0047] Weather conditions: From sunny to rainy at 9:00.
[0048] 8:00-9:00: Follow the day normally, as described in Example 1.
[0049] 9:00: The light intensity signal collector detects cloudy and rainy weather information, and sends out a signal to stop tracking the sun, making the device stand by. After 30 minutes of standby, the light intensity signal collector still does not detect cloudy and sunny information, and then automatically returns to Zhongtian Position standby, 17:00 standby finishes, starts auxiliary transmission mechanism 8 and stops after making it change one day's elevation angle difference.
Embodiment 3
[0050] Example 3: Change from sunny to cloudy and then sunny during the day
[0051] Weather conditions: From sunny to cloudy at 9:00, it will turn sunny after 25 or 40 minutes.
[0052] 8:00-9:25: Follow the day normally, as described in Example 2.
[0053] 9:25: After the light intensity signal collector detects the cloudy and sunny information, the device automatically and quickly corrects it from the standby state at 9:00 so that it is facing the sun at 9:25 and starts to follow the sun; or:
[0054] 9:40: After the light intensity signal collector detects the information that the cloud has changed to clear, the device quickly rotates from the Zhongtian standby state and checks the sun position at 9:40, and then starts to follow the sun.
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Abstract
The invention discloses a three-foot fixed biaxial full-automatic solar tracking device. A light intensity signal collector is arranged at the upper end surface of a sunshine collector fixed frame; the top end of a supporting rod is hinged on the central part of the sunshine collector fixed frame through a joint bearing; the bottom end of the supporting rod is fixed on a main base which is also connected with a control component and a main transmission mechanism through a joint bearing; the top end of an auxiliary pull rod is hinged on the sunshine collector fixed frame through a joint bearing; the bottom end of the auxiliary pull rod is connected with an auxiliary transmission mechanism and fixed on an auxiliary base; and the top of a main pull rod is correspondingly hinged on the sunshine collector fixed frame through the joint bearing so that the sunshine collector fixed frame forms a three-dot or dot-line type rigid bonding structure with the supporting rod, the main pull rod and the auxiliary pull rod. By utilizing a lever principle and a three-dot fixing manner, the designed device has the advantages of low energy consumption, good stability, resistance to strong storm or hailstorm damages, and the like and can meet the geographical and meteorologic conditions of various mounting fields.
Description
technical field [0001] The invention belongs to the fields of solar photovoltaic power generation and solar thermal utilization, and in particular relates to a method of using the inherent length of the fixed frame of a sunlight collector as a force arm, which effectively reduces the daily energy consumption and solar energy utilization cost, and improves the safety of the equipment by adopting three-point positioning. Stability, hybrid dual-axis fully automatic solar tracker with added storm resistance. Background technique [0002] As a sustainable and clean energy source, solar energy is an ideal renewable energy source. Due to the low solar energy density and poor continuity of energy reception, it changes with seasons, day and night, and climatic conditions. The current applications are mainly concentrated in solar water heaters and solar greenhouses where the energy density is not high, the lighting time is not continuous, and the users are scattered. . Vigorously de...
Claims
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Application Information
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Patent Type & Authority Patents(China)
IPC IPC(8): G05D3/12
Inventor 许启明
Owner GANSU CHINA POWER CONSTRUCTION PORT SHIP ENGINEERING CO LTD
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