Ultrasonic sensor range-finding system
A sensor ranging and ultrasonic technology, applied in the field of ranging, can solve the problems of inconvenience, high cost, large size, etc., and achieve the effects of low power consumption, flexible operation and small size
Inactive Publication Date: 2019-11-29
HARBIN UNIV OF SCI & TECH
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Problems solved by technology
The shortcomings of ultrasonic rangefinders using single-chip microcomputers and display screens have gradually emerged, which have brought defects such as high power consumption, high cost, and large volume that are not easy to carry.
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[0024] The technical solution of the present invention will be clearly described below, and it is obvious that the embodiments described are only a part of the embodiments of the present invention, not all of them. Based on the design structures and creative ideas in the present invention, other embodiments proposed by those skilled in the art without any creative efforts are within the protection scope of the present invention.
[0025] The present invention will be described in detail below in conjunction with the accompanying drawings.
[0026] combine Figure 1-Figure 2 Describe this embodiment mode, an ultrasonic sensor distance measuring system in this embodiment mode includes an ultrasonic sensor, an amplifier, a shaper, a power acquisition circuit, and a mobile terminal, wherein the mobile terminal is a portable device that the user already has, and the power acquisition circuit refers to the The sine wave signal obtained by the audio port of the mobile terminal is co...
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The invention relates to an ultrasonic sensor range-finding system, and belongs to the technical field of range finding. The system comprises an ultrasonic sensor, a range finding processing unit, anda mobile terminal; the ultrasonic sensor emits an ultrasonic signal to a measurement target and receives an analog signal reflected from the target; the range finding processing unit receives the analog signal received by the ultrasonic sensor, carries out operation of an obtained distance signal, and sends distance data; the mobile terminal receives the distance data from the range finding processing unit, and carries out timing; and on the basis of the obtained analog signal and a timing result, the obtained distance is stored and displayed, and the ultrasonic sensor is started. The systemcan be interconnected with any mobile terminal at any time by means of the only one ultrasonic sensor, and can serve as a portable intelligent supersonic range finder, and bases of visualized operation of the present mobile terminal, the system is also characterized by flexible operation, small size, low power consumption and convenient carrying.
Description
technical field [0001] The invention relates to an ultrasonic sensor ranging system, which belongs to the technical field of ranging. Background technique [0002] Distance is a parameter that needs to be detected in different occasions and controls, and distance measurement has become a problem to be solved in data collection. Today's computer technology, automation technology and industrial robots have been continuously developed and widely used, and the distance measurement problem is becoming more and more important. At present, the common ranging methods are: laser ranging, radar ranging and ultrasonic ranging. Among them, laser ranging is to use laser to measure the distance of the target. When the laser rangefinder is working, it emits a thin laser beam to the target, and then the photoelectric element receives the laser beam reflected by the target, and the counter in the control circuit measures the time from emission to reception, thereby calculating the distance...
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IPC IPC(8): G01S15/10G01S7/527G01S7/52
CPCG01S15/102G01S7/5273G01S7/52001
Inventor 牛昊东施云波
Owner HARBIN UNIV OF SCI & TECH