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Portable ultrasonic height and distance measurement device

A distance measuring device, ultrasonic technology, applied in the direction of measuring device, ultrasonic/sonic/infrasonic diagnosis, sound wave diagnosis, etc., can solve the problems of inaccurate measurement data, inability to measure conveniently, low practicability, etc., and achieve accurate and precise timing ability The effect of reducing the impact of human height and object distance

Pending Publication Date: 2019-07-30
中山市福瑞康电子有限公司
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Problems solved by technology

[0002] The sonic rangefinder mainly transmits sound waves in the air, receives them after they hit objects and reflects them, and calculates the measurement distance based on the propagation time and the propagation speed of the sound waves. The existing sonic rangefinders are large in size. The high power will cause electromagnetic interference between the circuit modules inside the sonic rangefinder, making the measurement data inaccurate and unable to measure conveniently, and the practicability is low

Method used

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  • Portable ultrasonic height and distance measurement device
  • Portable ultrasonic height and distance measurement device
  • Portable ultrasonic height and distance measurement device

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Embodiment Construction

[0020] refer to figure 1 , a portable ultrasonic height ranging device, comprising a main control circuit and an ultrasonic measurement module electrically connected to the main control circuit, the input end of the main control circuit is connected to a power circuit, and the output end of the main control circuit Respectively connected with a voice prompt circuit and a display, the ultrasonic measurement module is electrically connected with a clock module ( Figure 2 to Figure 5 Taken together is the complete circuit schematic diagram of this embodiment, for the convenience of observation, the complete circuit diagram is divided into Figure 2 to Figure 5 Four parts, the terminals with the same number in the figure indicate electrical connection).

[0021] refer to figure 2 , the main control circuit includes a main control chip U1, the model of the main control chip U1 is CSU8RP1185D; the 15 pins of the main control chip U1 are connected in series with a control button ...

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Abstract

The invention discloses a portable ultrasonic height and distance measurement device. The portable ultrasonic height and distance measurement device comprises a master control circuit and an ultrasonic measurement module; the master control circuit is connected to a power circuit, a voice prompt circuit and a display; and the ultrasonic measurement module is electrically connected to a clock module. The ultrasonic measurement module has a simple circuit structure, and can transmit and receive an ultrasonic wave externally; an adaptive RC provided in the ultrasonic measurement module can filterelectromagnetic interference, so that the ultrasonic measurement module is effectively isolated to greatly reduce the influence to other circuits; the clock module can provide an accurate measurementclock for the ultrasonic measurement module, so that a timing capability of the distance measurement device is more accurate and the calculated measurement data is more reliable; and the whole distance measurement device is small in volume, and is very simple to carry and use, and can accurately measure a height of a human body and a distance of an object.

Description

technical field [0001] The invention relates to a sound wave distance measuring instrument, in particular to a portable ultrasonic height distance measuring device. Background technique [0002] The sonic rangefinder mainly transmits sound waves in the air, receives them after they hit objects and reflects them, and calculates the measurement distance based on the propagation time and the propagation speed of the sound waves. The existing sonic rangefinders are large in size. The high power will cause electromagnetic interference between the circuit modules inside the acoustic wave rangefinder, making the measurement data inaccurate and not convenient for measurement, and the practicability is low. Contents of the invention [0003] In order to overcome the deficiencies of the prior art, the present invention provides a portable ultrasonic height ranging device with simple structure and strong anti-interference ability. [0004] The technical solution adopted by the prese...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01S15/08G01S7/537A61B8/00
CPCG01S15/08G01S7/537A61B8/00
Inventor 邓小清王勋文黄贤昌
Owner 中山市福瑞康电子有限公司
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