Distance measuring method and distance measuring system
A distance measurement and distance technology, applied in the field of distance measurement methods and distance measurement systems, can solve problems such as inaccurate distance measurement, and achieve the effect of accurate first distance
Active Publication Date: 2020-07-10
NORTHWEST INSTR INC +1
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[0006] Aiming at the above-mentioned technical problem, that is, the unavoidable technical problem of inaccurate distance measurement in the prior art, the present invention proposes a distance measurement method, which includes:
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[0038]In the following detailed description of the preferred embodiment, reference is made to the accompanying drawings which form a part hereof. The accompanying drawings show, by way of example, specific embodiments in which the invention can be practiced. The illustrated embodiments are not intended to be exhaustive of all embodiments in accordance with the invention. It is to be understood that other embodiments may be utilized and structural or logical changes may be made without departing from the scope of the present invention. Accordingly, the following detailed description is not limiting, and the scope of the invention is defined by the appended claims.
[0039] The applicant of this application wishes to make it clear that the terms "horizontal arrangement" and "vertical arrangement" mentioned in the context of this application both refer to the arrangement of the photosensitive elements contained in the laser receiving device, wherein the term "vertical arrangemen...
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The present invention relates to a distance measuring method and a distance measuring system. The distance measuring method includes using the first laser emitting part of the laser emitting device to emit a vertical laser beam rotating in a vertical plane at a first rotational speed; using at least one laser beam on the laser receiving device The first and second optical detection components partially on the same vertical plane calculate the time difference between the vertical laser beam passing through the first and second optical detection components, and the distance between the two optical detection components is the first A distance; calculate the first distance between the laser emitting device and the laser receiving device according to the first rotational speed, the first distance and the time difference. The method of the present invention can ensure that the first and second optical detection components set on the laser receiving device can be arranged horizontally, thereby ensuring that the vertical laser beam passes through the specific position on the first and second optical detection components. The distance is exactly the first distance, so that it can be ensured that the measured or calculated first distance is accurate.
Description
technical field [0001] The invention relates to the field of distance measurement and positioning, and more specifically relates to a distance measurement method and a distance measurement system. Background technique [0002] In the prior art, the patent publication CN101206113A discloses a range finder and its distance measuring method. According to the range finder disclosed in this patent, a light beam with a certain predetermined rotational speed is provided by a rotating light source, and then the receiver is used to Detect the time difference when the light beam rotates from the first position of the receiver to the second position, and calculate the distance between the receiver and the rotating light source based on the detected time difference and the distance between the first position and the second position of the receiver . The distance measuring instrument and distance measuring method described above can conveniently realize the function of distance measurem...
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IPC IPC(8): G01C3/10
CPCG01C3/10G01C15/006G01S11/12G01C3/00G01S1/703G01C17/00G01C19/00
Inventor 石昕邢星
Owner NORTHWEST INSTR INC