Method and system for detecting movement of objects to predetermined position
An object and measured object technology, applied in the field of detecting object moving in place, can solve problems such as misjudgment of the detection object moving in place scheme, and achieve the effect of avoiding misjudgment that the measured object is in place and the judgment result is accurate.
Pending Publication Date: 2019-04-02
SHENZHEN OCT VISION
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[0004] In view of the deficiencies in the prior art above, the purpose of the present invention is to provide a method and system for detecting the movement of an object in place, aiming to solve the problem that the scheme of detecting the movement of an object in place in the prior art is likely to cause misjudgment
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[0031] The present invention provides a method and system for detecting the movement of an object in place. In order to make the objectives, technical solutions and effects of the present invention clearer and clearer, the present invention will be described in further detail below. It should be understood that the specific embodiments described herein are only used to explain the present invention, but not to limit the present invention.
[0032] The system for detecting the movement of an object according to the present invention, wherein, as figure 1 Shown, including:
[0033] The first detection device 10 is arranged at a predetermined distance before the target position (denoted as A), and is used to contact the measured object 100 and generate a first contact signal when the measured object 100 reaches the predetermined distance before the target position;
[0034] The second detection device 20 is set at the target position (denoted as B), and is used to contact the measured o...
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The invention discloses a method and a system for movement of an object to a predetermined position. The system comprises: a first detection device, which is arranged at a position in the front of a target position at a predetermined distance, and is used for contacting the tested object and generating a first contact signal when the tested object reaches the position arranged at a position in thefront of a target position at a predetermined distance; a second detection device, which is arranged at the target position, and is used for contacting the tested object and generating a second contact signal when the object reaches the target position; a detection and judging device, which is electrically connected with both the first detection device and the second detection device, judging whether the tested object reaches the predetermined position, and determining that the tested object is moved to predetermined position when the first contact signal is detected and the second contact signal is detected in a predetermined time. According to the method and the system for detecting movement of objects to the predetermined position, judgment result is accurate, and the problem of misjudgment that the tested object reached the predetermined position due to a false appearance that a switch is blocked caused by dust or scrap sticked on the switch through contact with the switch.
Description
Technical field [0001] The invention relates to the technical field of engineering control, in particular to a method and a system for detecting the movement of an object in place. Background technique [0002] At present, in the processing control of workpieces, it is often necessary to detect whether the workpiece has moved to the target position. The prior art uses single or multiple proximity switches or photoelectric switches to open the judgment, which is to detect when the measured object reaches the target position. When the proximity switch or photoelectric switch is blocked, it is considered that the actual workpiece is in place, because the switch has no self-diagnosis function. When the switch is contaminated with dust or iron filings, it will also cause the false impression that the switch is blocked and cause misjudgment. [0003] Therefore, the existing technology needs to be improved and developed. Summary of the invention [0004] In view of the above-mentioned sho...
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IPC IPC(8): G01B5/00G01B21/00
CPCG01B5/00G01B21/00
Inventor 黄文辉李坚文红光卢念华
Owner SHENZHEN OCT VISION