CN201271242Y

CN201271242Y - Human body health balance

Info

Publication number: CN201271242Y
Application number: CNU2008201025222U
Authority: CN
Inventors: 陈祖元
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-06-01
Filing date: 2008-06-01
Publication date: 2009-07-15
Anticipated expiration: 2018-06-01

Abstract

The utility model discloses a human body health scale which comprises a heartbeat detection signal circuit and a liquid crystal display (LCD). The output port pf the heartbeat detection signal circuit is connected with the input port of the LCD. The heartbeat detection signal circuit consists of a heartbeat signal detection electrode, an electrical signal detection amplifying circuit and a heartbeat value microprocessor; and the heartbeat signal detection electrode is electrically connected with the heartbeat value microprocessor through the electrical signal detection amplifying circuit. Comprehensive parameters of the human body are acquired in the following way: electric pulses generated by a pulse signal generator in a comprehensive parameter circuit are input through a sole detection electrode arranged at the sole of the human body and are detected by a pulse signal processor, and then are transmitted to the microprocessor to calculate the impedance of the human body; and the microprocessor calculates the values of fat and the like of the human body. Adopting electric signals for detection, the human body health scale avoids the defects in the detection which adopts infrared rays to detect the flowing status of the blood in a blood vessel, and has the advantage of high detection precision.

Description

Human body platform scale

Technical field

This utility model relates to a kind of armarium, particularly relates to a kind of human body platform scale.

Background technology

Along with the raising of people's living standard, people more and more pay close attention to the physical condition of self, and various human detection instrument and equipments arise at the historic moment.For numerical value such as the better fat of understanding human body, skeletal muscle, BMI, the armarium dealer invents out corresponding human body comprehensive parameter detection equipment.The heartbeat detection pick off of the human body comprehensive parameter detection equipment of commonly using is to detect by using infrared mode to detect the mobile state of blood vessel mostly, and this equipment of commonly using influences service precision because of the skin coarseness that is subjected to user easily.

The utility model content

The human body platform scale that provides a kind of accuracy of detection high is provided the purpose of this utility model.

For achieving the above object, technical solution of the present utility model is:

This utility model is a kind of human body platform scale, and it comprises heartbeat detection signal circuit and liquid crystal display; The output port of described heartbeat detection signal circuit connects the input port of liquid crystal display; Described heartbeat detection signal circuit is become by heartbeat signal detecting electrode, electrical signal detection amplifying circuit and heart beating numerical value set of microprocessors, described heartbeat signal detecting electrode is electrically connected heart beating numerical value microprocessor by the electrical signal detection amplifying circuit, and the heartbeat signal detecting electrode flows to the ultra-weak electronic signal of human body heart beating and flows to heart beating numerical value microprocessor after the electrical signal detection amplifying circuit is handled.

Described electrical signal detection amplifying circuit comprises detection chip U10, resistance R 3, R4 and peripheral circuit; Resistance R 3, R4 are connected on the input pin of detection chip U10.

This utility model also comprises weigh circuit and comprehensive parameters circuit; The output port of the described circuit of weighing, comprehensive parameters circuit connects the input port of liquid crystal display; The described circuit of weighing is made up of LOAD CELLS, analog to digital conversion circuit and comprehensive parameters microprocessor, LOAD CELLS connects the comprehensive parameters microprocessor through analog to digital conversion circuit, and the signal of telecommunication of LOAD CELLS is processed into the signal that can become microprocessor identification by analog to digital conversion circuit; Described comprehensive parameters circuit is made up of pulse signal generator, sole detecting electrode, pulse signal processor and comprehensive parameters microprocessor, described pulse signal generator is electrically connected the sole detecting electrode, the sole detecting electrode connects the comprehensive parameters microprocessor through the pulse signal processor, and the electric pulse that pulse signal generator produces is transferred to the comprehensive parameters microprocessor after by input of sole detecting electrode and the detection by the pulse signal processor.

This utility model also comprises a power supply.

After adopting such scheme, this utility model is made up of the circuit of weighing, comprehensive parameters circuit, heartbeat detection signal circuit and liquid crystal display.The collection of human body comprehensive parameter is the electric pulse that produces by pulse signal generator in the comprehensive parameters circuit, again by the sole detecting electrode under the human body sole, from left and right foot input, after passing through the detection of pulse signal processor, be transferred to microprocessor and carry out the impedance computation of human body, and and human body sex, height, the numerical value at age of microprocessor internal table look-up etc. calculate, numerical value such as the fat to obtain human body, skeletal muscle, BMI.Owing to adopt electrical signal detection, avoid using infrared mode to detect the mobile state of blood vessel and detected the lower defective of existing precision, have the high advantage of accuracy of detection.

Below in conjunction with the drawings and specific embodiments this utility model is further described.

Description of drawings

Fig. 1 is a circuit block diagram of the present utility model;

Fig. 2 is the weigh circuit diagram of circuit and comprehensive parameters circuit of this utility model;

Fig. 3 is the circuit diagram of this utility model heartbeat detection signal circuit.

The specific embodiment

As shown in Figure 1 and Figure 2, this utility model is a kind of human body platform scale, and it mainly is made up of the circuit 1 of weighing, comprehensive parameters circuit 2, heartbeat detection signal circuit 3, liquid crystal display 4 and power supply 5.

The output port of the described circuit 1 of weighing, comprehensive parameters circuit 2, heartbeat detection signal circuit 3 connects the input port of liquid crystal display 4.Power supply 5 provides electric power to entire circuit.

The described circuit 1 of weighing is made up of LOAD CELLS 11, analog to digital conversion circuit 12 and comprehensive parameters microprocessor 13.LOAD CELLS 11 connects comprehensive parameters microprocessors 13 through analog to digital conversion circuit 12, and the signal of telecommunication of LOAD CELLS 11 is processed into the signal that can become microprocessor 13 identifications by analog to digital conversion circuit 12.

Described comprehensive parameters circuit 2 is made up of pulse signal generator 21, sole detecting electrode 22, pulse signal processor 23 and comprehensive parameters microprocessor 13.Described pulse signal generator 21 is electrically connected sole detecting electrode 22, sole detecting electrode 22 connects comprehensive parameters microprocessors 13 through pulse signal processor 23, and the electric pulse that pulse signal generator 21 produces is transferred to comprehensive parameters microprocessor 13 after by 22 inputs of sole detecting electrode and the detection by pulse signal processor 23.

As shown in Figure 3, described heartbeat detection signal circuit 3 is made up of heartbeat signal detecting electrode 31, electrical signal detection amplifying circuit 32, heart beating numerical value microprocessor 33.Described heartbeat signal detecting electrode 31 is electrically connected heart beating numerical value microprocessors 33 by electrical signal detection amplifying circuit 32, and heartbeat signal detecting electrode 31 flows to the ultra-weak electronic signal of human body heart beating and flows to heart beating numerical value microprocessor 33 after electrical signal detection amplifying circuit 32 is handled.On heart beating numerical value microprocessor 33, also be connected with function button 34.Described electrical signal detection amplifying circuit 32 comprises detection chip U10 (model: AST4508), resistance R 3, R4 and peripheral circuit; Resistance R 3, R4 are connected on the input pin of detection chip U10.

Operation principle of the present utility model (shown in Figure 3) as Fig. 1 reference:

1, weighs

The weigh change in electric of the LOAD CELLS 11 in the circuit 1 manages the signal that can become 13 identifications of comprehensive parameters microprocessor by analog to digital conversion circuit 12, and the numerical value of will weighing after calculating by comprehensive parameters microprocessor 13 is presented at liquid crystal device 4.

2, comprehensive human parameters

The electric pulse that pulse signal generator 21 in the comprehensive parameters circuit 2 produces, by the sole detecting electrode 22 under the human body sole, from left and right foot input, after passing through the detection of pulse signal processor 23, be transferred to comprehensive parameters microprocessor 13 and carry out the impedance computation of human body, and and the calculating such as table look-up of human body sex, height, the numerical value at age of comprehensive parameters microprocessor 13 inside numerical value such as the fat of human body, skeletal muscle, BMI are presented at liquid crystal display 4.

3, heartbeat signal detects

The ultra-weak electronic signal that the left hand and right hand of heartbeat signal detecting electrode 31 in the heartbeat detection signal circuit 3 by human body produces when detecting the human body heart beating amplifies and is processed into electric impulse signal through electrical signal detection amplifying circuit 32 and heart beating numerical value is presented at liquid crystal display 4 for 33 calculating place of heart beating numerical value microprocessor.

The ultra-weak electronic signal that the right-hand man of heartbeat signal detecting electrode 31 in the heartbeat detection signal circuit 3 by human body produces when detecting the human body heart beating, be input to the interior amplifying circuit of detection chip U10 then by resistance R in the electrical signal detection amplifying circuit 32 3 and R4, through behind the amplifying signal, produce quadrate pulse signal after becoming integration arrangement processing through detection chip U10 inside, the 20th foot of chip U10 is input to heart beating numerical value microprocessor 33 (U11 model: the 36th foot AST5688) after testing, after the calculating and digital filtering of beats value microprocessor 33, the numerical value that the calculates liquid crystal display drive circuit by heart beating numerical value microprocessor 33 inside is shown on the liquid crystal display 4.

Claims

1, a kind of human body platform scale is characterized in that: it comprises heartbeat detection signal circuit and liquid crystal display; The output port of described heartbeat detection signal circuit connects the input port of liquid crystal display; Described heartbeat detection signal circuit is become by heartbeat signal detecting electrode, electrical signal detection amplifying circuit and heart beating numerical value set of microprocessors, described heartbeat signal detecting electrode is electrically connected heart beating numerical value microprocessor by the electrical signal detection amplifying circuit, and the heartbeat signal detecting electrode flows to the ultra-weak electronic signal of human body heart beating and flows to heart beating numerical value microprocessor after the electrical signal detection amplifying circuit is handled.

2, human body platform scale according to claim 1 is characterized in that: described electrical signal detection amplifying circuit comprises detection chip U10, resistance R 3, R4 and peripheral circuit; Resistance R 3, R4 are connected on the input pin of detection chip U10.

3, human body platform scale according to claim 1 is characterized in that: it also comprises weigh circuit and comprehensive parameters circuit; The output port of the described circuit of weighing, comprehensive parameters circuit connects the input port of liquid crystal display; The described circuit of weighing is made up of LOAD CELLS, analog to digital conversion circuit and comprehensive parameters microprocessor, LOAD CELLS connects the comprehensive parameters microprocessor through analog to digital conversion circuit, and the signal of telecommunication of LOAD CELLS is processed into the signal that can become microprocessor identification by analog to digital conversion circuit; Described comprehensive parameters circuit is made up of pulse signal generator, sole detecting electrode, pulse signal processor and comprehensive parameters microprocessor, described pulse signal generator is electrically connected the sole detecting electrode, the sole detecting electrode connects the comprehensive parameters microprocessor through the pulse signal processor, and the electric pulse that pulse signal generator produces is transferred to the comprehensive parameters microprocessor after by input of sole detecting electrode and the detection by the pulse signal processor.

4, human body platform scale according to claim 1 is characterized in that: it also comprises a power supply.