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Electronic scale with fat measurement function

An electronic scale and measurement circuit technology, applied in the field of measurement, can solve the problems of increasing circuit design cost, increasing the difficulty of microprocessor phase detection data processing and device cost overhead, etc., and achieving the effect of reducing devices and data volume.

Inactive Publication Date: 2018-01-05
SHANGHAI RES INST OF MICROELECTRONICS SHRIME PEKING UNIV
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Problems solved by technology

[0004] The existing electronic scale solutions with body fat measurement function calculate body fat through the measurement of human body impedance, but these solutions are all designed with independent excitation units to generate excitation, which increases the difficulty of phase detection data processing by the microprocessor and device cost overhead
Existing solutions usually use separate measurement circuits for fat measurement and body weight measurement for measuring electricity, which increases the design cost of the circuit

Method used

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  • Electronic scale with fat measurement function
  • Electronic scale with fat measurement function
  • Electronic scale with fat measurement function

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Embodiment Construction

[0015] In view of the problems mentioned in the background technology, the inventors of the present application analyzed and concluded that if the measurement circuit can be reused and the square wave excitation generated by the microprocessor is used as the excitation source, the use of components and parts can be reduced, the design cost can be reduced, and at the same time Can improve shooting accuracy.

[0016] Based on the above idea, the present invention implements an electronic scale with the function of fat measurement with the following modules, the electronic scale with the function of fat measurement mainly includes: display, touch button, electrode sheet, load cell, measurement circuit, microprocessor .

[0017] refer to figure 1 , input the data of the subject to the microprocessor through the touch screen button, the square wave generated by the microprocessor is connected to the excitation electrode through the excitation circuit, the sampling electrode is con...

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Abstract

The invention provides an electronic scale with a fat measurement function so as to improve the measurement accuracy and reduce the equipment cost. The electronic scale comprises an electrode slice, aweighing sensor, a weight and human body impedance measurement circuit, an excitation circuit, a microprocessor system, a display, a keyboard and the like. The electronic scale applies tiny alternating current to the feet of a human body so as to measure the human body impedance, then measures the weight by using the weighing sensor, finally completes calculation and measurement for the body fatby using the correlation between the human body impedance and the weight and body fat and displays the measured body fat.

Description

technical field [0001] The invention relates to the technical field of measurement, in particular to the measurement of body fat and body weight. Background technique [0002] Maintaining a reasonable proportion of various components in the human body is an important condition for maintaining good health. As one of the main substances that constitute the human body, fat is associated with diseases such as high blood pressure, high blood sugar, high blood fat, and heart disease. At the same time, there is a large amount of high fat in the human body. The hidden dangers of physical health The body fat content in the body composition is of great significance for judging the effect of weight loss, evaluating personal nutritional status, assisting in body shaping and bodybuilding, and preventing cardiovascular diseases. We can use the fat content of the human body to judge whether the human body is obese or to evaluate the weight loss effect during the weight loss process of obes...

Claims

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Application Information

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IPC IPC(8): G01G19/44G01G19/50A61B5/053
Inventor 邵兴程玉华
Owner SHANGHAI RES INST OF MICROELECTRONICS SHRIME PEKING UNIV
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