Rapid sun height measuring device and positioning method based on rapid sun height measuring device
A sun altitude and measuring device technology, applied in measuring devices, measuring angles, surveying and navigation, etc., can solve the problem of not being able to know the location in detail, and achieve the effect of convenient operation, simple operation and convenient use
Active Publication Date: 2016-05-04
NANTONG SHIPPING COLLEGE
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Problems solved by technology
At present, people's daily positioning mainly relies on foreign satellite GPS positioning. Once foreign countries stop business leasing or receive other interference, they cannot know the specific positioning. At the same time, satellite GPS positioning mainly relies on radio waves to transmit signals, which is vulnerable to various factors. Interference, so after the GPS fails, a positioning method that can assist in positioning is needed
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[0028] The present invention will be further described in detail below in conjunction with the accompanying drawings and examples. The following examples are explanations of the present invention and the present invention is not limited to the following examples.
[0029] Such as figure 1 As shown, a device for quickly measuring the height of the sun includes a base 1, an astronomical platform 2, a U-shaped bracket 3, a mid-slit projection plate 4, a reflector 5, and an AHRS module 6. The lower end of the U-shaped bracket 3 is rotated on the base 1 On the upper side, the astronomical platform 2 is fixed on the rotating shaft 7, and the two ends of the rotating shaft 7 are rotated and installed at both ends of the upper side of the U-shaped bracket 3. The AHRS module 6 is horizontally arranged and fixed in the middle of the astronomical platform 2, and the projection plate 4 and the reflector in the middle seam 5 are parallel to each other and vertically fixed on the two ends o...
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The invention discloses a rapid sun height measuring device and a positioning method based on the rapid sun height measuring device. By using a center joint projection plate, the direction of the sun can be rapidly found, by rotating a measuring balance table, a concave mirror focus of a reflection plate can be aligned to the projection center, and at the moment the turning angle of the measuring balance table can be directly measured by using an AHRS module. The rapid sun height measuring device is simple to operate and convenient to use; with the combination of the height of the sun and a graphing method, navigation positioning can be achieved, and when GPS is interfered or cannot be used in other situations, positioning can be achieved through sun height measurement assistance.
Description
technical field [0001] The invention relates to a device for quickly measuring the height of the sun and a positioning method based on the device, belonging to the field of navigation positioning. Background technique [0002] The sun altitude angle is referred to as the sun altitude (actually an angle). For a certain place on the earth, the solar altitude angle refers to the angle between the incident direction of sunlight and the ground plane. Professionally speaking, the solar altitude angle refers to the surface section of a certain place where the sun's rays pass through the place and connect to the center of the earth. angle. The altitude angle of the sun is referred to as the altitude angle. When the sun's altitude angle is 90°, the solar radiation intensity is the largest at this time; when the sun obliquely hits the ground, the solar radiation intensity is small. The height of the sun is of great significance in navigation or other positioning. People can calcula...
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IPC IPC(8): G01C1/00G01C21/02
CPCG01C1/00G01C21/025
Inventor 陈平冯爱国赵晶肖金锋任云烨
Owner NANTONG SHIPPING COLLEGE