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Human body movement velocimeter based on radar

A technology of radar speed measurement and speedometer, which is applied in the field of speedometer to achieve the effects of reasonable design, enhanced reflection accuracy and high reliability

Inactive Publication Date: 2021-07-23
WUHAN SPORTS UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, radar speed measurement is mostly used for traffic speed measurement. For example, the electronic eye used in traffic uses radar speed measurement and camera to take pictures, but radar speed measurement has not been used for human body movement speed measurement.

Method used

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  • Human body movement velocimeter based on radar
  • Human body movement velocimeter based on radar
  • Human body movement velocimeter based on radar

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] see figure 1 ～ 3. A radar-based human body mobile speedometer, including a support platform 1, a mounting plate 2, a radar velocity sensor 3, a fixed tripod 4 and a sound wave reflecting vest 5, and the upper surface of the support platform 1 is fixedly connected with a mounting plate 2 , the center position of the upper surface of the mounting plate 2 is fixedly provided with a radar velocity sensor 3, the center position of the lower surface of the support platform 1 is fixedly welded with a fixed tripod 4, and the sound wave reflecting vest 5 is worn on the user.

[0019] In the embodiment of the present invention, the fixed tripod 4 is composed of a supporting leg 401, a supporting leg 2 402, a supporting leg 3 403 and a fixing block 404. The supporting leg 401, supporting leg 2 402 and supporting leg 3 403 are A certain angle is fixedly installed on the lower side of the support platform 1, and the lower ends of the support leg one 401 support leg two 402 and the ...

Embodiment 2

[0021] see figure 1 ～ 2. A radar-based human body mobile speed measuring instrument, comprising a support platform 1, a mounting plate 2, a radar speed measuring sensor 3, a fixed tripod 4 and a sound wave reflecting vest 5, and the upper surface of the support platform 1 is fixedly connected with a mounting plate 2 , the center position of the upper surface of the mounting plate 2 is fixedly provided with a radar velocity sensor 3, the center position of the lower surface of the support platform 1 is fixedly welded with a fixed tripod 4, and the sound wave reflecting vest 5 is worn on the user.

[0022] In the embodiment of the present invention, the radar speed measuring sensor 3 is composed of a circuit board 301, a wireless communication module 302, a radar speed measuring sensor module 303, a single-chip microcomputer 304 and a battery 305, and the circuit board 301 is fixedly installed inside the radar speed measuring sensor 3 , and the outer walls around the circuit bo...

Embodiment 3

[0024] see figure 1 ～ 3. A radar-based human body mobile speedometer, including a support platform 1, a mounting plate 2, a radar velocity sensor 3, a fixed tripod 4 and a sound wave reflecting vest 5, and the upper surface of the support platform 1 is fixedly connected with a mounting plate 2 , the center position of the upper surface of the mounting plate 2 is fixedly provided with a radar velocity sensor 3, the center position of the lower surface of the support platform 1 is fixedly welded with a fixed tripod 4, and the sound wave reflecting vest 5 is worn on the user.

[0025] In the embodiment of the present invention, the surface of the sound wave reflecting vest 5 is pasted with a cursor 6, and the surface of the sound wave reflecting vest 5 adopts an aluminum film that is conducive to microwave reflection, which is convenient for enhancing the reflection accuracy of radar microwaves, and is used to improve the measurement accuracy to obtain More accurate speed data. ...

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Abstract

The invention discloses a human body movement velocimeter based on radar. The human body movement velocimeter comprises a supporting table, a mounting plate, a radar velocity measurement sensor, a fixed tripod and a sound wave reflection vest. The velocimeter has the beneficial effects that radar speed measurement, electronic timing and electronic calculation of measurement results are facilitated by the aid of the radar velocity measurement sensor, reliability is high, the radar velocity measurement sensor can be conveniently fixed by the aid of the fixed tripod and is prevented from toppling during testing, a cursor is attached to the surface of the acoustic wave reflection vest and it is convenient to enhance the reflection precision of radar microwaves, so quite precise speed data is acquired. The radar velocity measurement sensor module adopts a GHZ microwave radar sensor with VCO modulation as a radar device for speed measurement, remote speed measurement can be conveniently achieved, the human body movement velocimeter is connected with a mobile terminal through a wireless communication module, a user can conveniently issue a speed measurement starting instruction through the mobile terminal, and the operation is more convenient.

Description

technical field [0001] The invention relates to a speedometer, in particular to a radar-based human body movement speedometer, which belongs to the technical field of speedometers. Background technique [0002] At present, there are generally four methods for measuring the moving speed of a human body. The first is to specify the length of the test route, manually time and record the movement time, and finally calculate the average displacement of the human body. This test method is more convenient, but only reference data can be obtained. This method cannot obtain real-time speed, nor can it when the human body is exercising. It is guaranteed to be completely straight, so the measurement accuracy of this test method is extremely low; the second method is to carry electronic tags on the tester, place readers at fixed intervals, and finally obtain segmental speed information, but this method also changes the human body movement. As a straight line, there are still errors; th...

Claims

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Application Information

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IPC IPC(8): G01S15/58G01S13/58G01S7/521G01S7/02
CPCG01S7/02G01S7/521G01S13/589G01S15/588
Inventor 胡璞
Owner WUHAN SPORTS UNIV
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