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Medical movement flat plate speed calibration device and precision design and calibration method thereof

A technology of moving a tablet and a calibration device, which is applied in the use of a device that measures the time required to move a certain distance, the use of re-radiation, and the re-radiation of electromagnetic waves, etc., can solve problems such as non-compliance, and achieve the effect of high measurement accuracy

Active Publication Date: 2016-03-02
CHINA JILIANG UNIV
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Problems solved by technology

And the existing treadmill speed measurement method all is to adopt the method of measuring the rotational speed of the treadmill roller, so the treadmill must be disassembled, which does not meet the requirements

Method used

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  • Medical movement flat plate speed calibration device and precision design and calibration method thereof
  • Medical movement flat plate speed calibration device and precision design and calibration method thereof
  • Medical movement flat plate speed calibration device and precision design and calibration method thereof

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Embodiment Construction

[0026] The calibration principle of the present invention is as follows: set the motion speed on the control interface of the medical sports tablet host, so that the running belt 25 of the sports tablet starts to work according to the set value of the speed, and the color mark 26 moves with the running belt 25. When the color mark sensor 6-1, the sensor detects the white color mark and outputs a low level. When the color mark 26 passes through the second color mark sensor 6-2, it also outputs a low level, and the microcontroller captures the low level twice. The time interval of the jump is divided by the distance between the two color mark sensors and the time interval to obtain the speed measurement value of the sports tablet, and at the same time, the relative error of the speed of the sports tablet can be obtained, so as to judge whether the set speed of the medical sports tablet is qualified.

[0027] like figure 1 As shown in the three-dimensional demonstration diagram o...

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Abstract

The invention discloses a medical movement flat plate speed calibration device and a precision design and calibration method thereof. The medical movement flat plate speed calibration device of the invention includes color mark sensors, a color mark, a cantilever, a ball screw rod, a guide rail, a support and a base; the white color mark is pasted on a running belt; the two color mark sensors are installed at two ends of the cantilever; the cameras of the color mark sensors face downwards; the running belt drives the color mark to pass through the two color mark sensors, so that the measurement of the speed of a movement flat plate can be realized. The method includes the following steps that: error distribution is performed on the speed of the flat plate, so that maximum allowable error in length and time is obtained; length error is controlled within a required accuracy range through mechanical design and length calibration equipment selection; and time error is controlled within a required accuracy range through crystal oscillator and time calibration instrument selection. The medical movement flat plate speed calibration device has the advantages of high test precision, small size, portable convenience, convenient operation, wide application range and the like.

Description

technical field [0001] The invention relates to a speed calibration device and its accuracy design and calibration method, in particular to a speed calibration device dedicated to a medical exercise tablet and its accuracy design and calibration method. Background technique [0002] With the improvement of living standards, the accelerated pace of life and the lack of physical activity time, coronary heart disease and myocarditis have become the main diseases that threaten the health of our people. Under normal circumstances, coronary heart disease has the characteristics of strong concealment. Even though the maximum reserve capacity of coronary artery dilatation has been significantly reduced in many patients, the coronary blood flow can still maintain normal at rest without myocardial ischemia. show normaly. The patient has no obvious symptoms before the onset, which is easy to be ignored. Therefore, improving the accuracy of diagnosis of patients with early coronary he...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01P3/68
Inventor 胡佳成汪新新蒋雪萍周宇晗李东升
Owner CHINA JILIANG UNIV
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