Infrared position sensor
A sensing device, infrared technology, applied in the field of sensors, can solve problems such as the inability to judge the movement of target objects
Inactive Publication Date: 2004-07-14
上海科星自动化技术有限公司
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Problems solved by technology
However, it is impossible to judge the movement of the target object
Method used
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[0007] Such as figure 1 with figure 2 As shown, the infrared position sensing device of the present invention is composed of an active infrared emitting tube 1, a passive infrared receiver and a bracket 2 for fixing the active infrared emitting tube and the passive infrared receiver, and is characterized in that: The passive infrared receiver includes at least five passive infrared receiving tubes 3, the passive infrared receiving tubes 3 are evenly arranged in a ring, and at least one passive infrared receiving tube 3 is arranged at the center of the ring, the The active infrared emitting tube 1 is arranged around the passive infrared receiving tube 3 . Further, the active infrared emitting tube 1 is connected to a power amplifier; any one of the passive infrared receiving tubes 3 is connected to an independent signal amplifying circuit.
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The infrared position sensing equipment consists of active infrared emitting tube, passive infrared receiver and carriage. The passive infrared receiver includes at least fiver passive infrared receiving tubes in annular arrangement except one set in the center of the ring; and the active infrared emitting tubes are set around the passive infrared receiving tubes. Each of the passive infrared receiving tubes is connected to one independent signal amplifier circuit. The active infrared emitting tubes emit infrared rays constantly in the receivable range of the passive infrared receiving tubes, and when some object appears in the range, the infrared ray will be reflected to the infrared receiving tubes, and the infrared receiving tube near the object and in favorable angle will receive strong infrared radiation. With the motion of the target, other infrared receiving tube will receive increased reflected infrared radiation. Based on the position of the infrared receiving tube with strongest infrared signal, the motion direction of the target object may be obtained.
Description
Technical field: [0001] The invention relates to a sensor, in particular to a sensor for detecting the position of an object, especially a sensor for detecting the position of a moving object by using infrared rays. technical background: [0002] In the prior art, the infrared position sensing device is composed of an infrared receiving tube. When an object appears within the receiving range of the infrared receiving tube, the infrared receiving tube can obtain a signal, which is processed by an amplification circuit and a comparison circuit to generate a signal. The output signal of the target object appears. However, it is impossible to judge the motion of the target object. The receiving range of the infrared receiving tube is limited. When the target object exceeds the receiving range, the signal of the target object will be lost. Invention content: [0003] The technical problem to be solved by the present invention is: in the prior art, the infrared position sensin...
Claims
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Inventor 张汶
Owner 上海科星自动化技术有限公司