CN2295453Y - Human body energy consumption monitor - Google Patents
Human body energy consumption monitor Download PDFInfo
- Publication number
- CN2295453Y CN2295453Y CN 97211528 CN97211528U CN2295453Y CN 2295453 Y CN2295453 Y CN 2295453Y CN 97211528 CN97211528 CN 97211528 CN 97211528 U CN97211528 U CN 97211528U CN 2295453 Y CN2295453 Y CN 2295453Y
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- integrated circuit
- operational amplifier
- circuit
- energy consumption
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- 238000005265 energy consumption Methods 0.000 title claims abstract description 21
- 230000001133 acceleration Effects 0.000 claims abstract description 14
- 238000004422 calculation algorithm Methods 0.000 claims abstract description 8
- 239000004973 liquid crystal related substance Substances 0.000 claims abstract description 7
- 239000013078 crystal Substances 0.000 claims description 12
- 239000003990 capacitor Substances 0.000 claims description 8
- 238000001914 filtration Methods 0.000 claims description 5
- 230000009977 dual effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 238000004364 calculation method Methods 0.000 claims description 2
- 230000008676 import Effects 0.000 claims description 2
- 230000003321 amplification Effects 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 102100032919 Chromobox protein homolog 1 Human genes 0.000 description 1
- 101000797584 Homo sapiens Chromobox protein homolog 1 Proteins 0.000 description 1
- 208000029078 coronary artery disease Diseases 0.000 description 1
- 206010012601 diabetes mellitus Diseases 0.000 description 1
- 230000037213 diet Effects 0.000 description 1
- 235000005911 diet Nutrition 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000036284 oxygen consumption Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
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Abstract
The human energy consumption monitor is provided with a power supply part, an acceleration sensor S, an operational amplifier U4, wherein the output voltage of the acceleration sensor is filtered and amplified by the operational amplifier and then input into an integrated circuit M1, and the integrated circuit M1 mainly comprises an A/D converter, a control circuit, an algorithm processing circuit and an LCD driving circuit. The input signal of the integrated circuit is firstly converted into a digital signal by an A/D converter, a control signal is input according to four keys, a control algorithm processing circuit calculates according to different algorithms, and the result is output to a liquid crystal display by an LCD driving circuit. It features that only one 1.5V battery and three integrated devices are used, so it has small size, light weight and low power consumption.
Description
This utility model relates to a kind of energy consumption of human body monitor, is to utilize to measure the human motion acceleration, records energy consumption of human body indirectly.
Foreign medical science biomedical engineering fascicle, 1994 the 17th volume the 1st phase 202 pages to 206 pages Zhu Ge of University Of Chongqing that deliver, the measurement summary of relevant human motion amount of Zheng Erxin and energy consumption.Existing great deal of experiment data shows, the human motion acceleration is linear to the integration of time and energy expenditure or oxygen consumption, so measure the integration of human body acceleration absolute value.Can carry out better evaluate to energy consumption.But existing energy consumption of human body monitor, volume is bigger, and power consumption is big, and behind the installation one-shot battery, service time is short.
The purpose of this utility model is a kind of energy consumption of human body monitor of design, adopts integrated circuit, greatly reduces power consumption and reduced volume, weight reduction.
The technical scheme that achieves the above object is as follows:
The energy consumption of human body monitor, be provided with power pack, acceleration transducer (S), dual operational amplifier (U4) and liquid crystal display (LCD), the output voltage of acceleration transducer (S), import first operational amplifier (U4A), first operational amplifier (U4A) and resistance (R6, R7, R8), electric capacity (C11) forms active low-pass filter, active low-pass filter output is imported second operational amplifier (U4B) through electric capacity (C10), resistance (R4);
Electric capacity (C9), resistance (R3), second operational amplifier (U4B) constitute band filter, it is characterized in that, outfan foot by the band filter of second operational amplifier (U4B) is connected with a foot 8 that mainly comprises the integrated circuit (M1) of A/D converter, algorithm process circuit, control circuit and lcd driver, acceleration transducer (S) output voltage, amplify through filtering, directly the A/D converter in foot 8 input ics (M1) of integrated circuit (M1) converts digital signal to; 4 I/O ends ( foot 22,23,24,25) of integrated circuit (M1) connect 4 buttons (S1, S2, S3, S4) respectively; Press the control circuit of key input signal in integrated circuit for 4, the algorithms of different in the control algolithm treatment circuit, (LCD) drive circuit in the result of calculation input ic (M1), (LCD) drive circuit is connected with liquid crystal display (LCD).
This utility model energy consumption of human body monitor, power consumption is little, can power for a long time with common batteries, and the volume I is worn with oneself.
Be described in further detail in conjunction with the accompanying drawings below by embodiment.
Fig. 1 is the concrete layout of this utility model energy consumption of human body monitor.
Adopt 1.5 volts of batteries of a joint in the power supply unit of this utility model energy consumption of human body monitor, provide monitor required 3.3 volts of stable voltages by integrated device U1 model MAX866.Integrated device U1 is with capacitor C 3, C4, C5, and inductance L 1, Schottky diode T1 form the power pack of monitor, are input as cell voltage, are output as 3.3 volts of DC voltages.As the simulation ground of system, the B point voltage is 3.3 volts to its A point simultaneously.
Connect the in-phase end of operational amplifier U4 after acceleration transducer S and C6, the R5 parallel connection, it is the device of ICL 7621 that the signal input part dual operational amplifier U4 of monitor can adopt model.
The foot 6,7 of the first operational amplifier U4A is formed active low-pass filters with resistance R 6, R7, adjustable potentiometer R8, capacitor C 11, to pick off S output signal amplify, filtering.Adjustable potentiometer R8 is used for adjusting amplification, thereby correcting sensor S is because of error former thereby that cause such as installing.
The foot 1,2,3 of the second operational amplifier U4B constitutes band filter with resistance R 3, R4 and capacitor C 9, C10, direct current component in the filtering input signal and HFS, and signal carried out suitable amplification.The foot 1 of operational amplifier U4B is connected with the foot 8 of integrated circuit M1, with the A/D converter among the signal input ic M1.
Integrated circuit M1 can adopt model C IU 0801 device, and integrated circuit M1 mainly comprises A/D converter, algorithm process circuit, control circuit and lcd driver.
The pin of integrated circuit M1 (only being that this utility model is used) function is as follows:
18 (X0), 17 (X1) dominant frequency clock crystal oscillator end;
20 (MOD0), 19 (MOD1) working mode selection end, ground connection,
22-25 (p00-p03) general purpose I/O end can be used as external interrupt, meets 4 button S1-S4 respectively;
The secondary clock crystal oscillator end frequently of 46 (X0A), 47 (X1A);
8(P50AN0)，9(P51AN1)
11 (P53AN3), the A/D converter input channel
57-60 (COM0-COM3) LCD public output;
62-74 (SEG0-SEG12) LCD section outfan;
55 (VCC) power end;
15 hold (VSS);
7 (AVCC) A/D converter power supply;
6 (AVR) A/D converter reference voltage;
5 (AVSS) A/D converter ground end;
U2U3 is a crystal, and its operating frequency can be 4.2MHZ and 32.768KHZ respectively, respectively with capacitor C 12, and C13 and C1, C2 forms crystal oscillating circuit, for integrated circuit M1 provides two kinds of different operating frequencies.
Liquid crystal display LCD adopts the dynamic driving mode, and dutycycle is 1/4, and bias voltage is 1/3.
The foot 6,7,55,56 of integrated circuit (M1) connects the B end of power pack; Foot 5,15,19,20 ground connection of integrated circuit (M1), the foot 9 of integrated circuit (M1) is connected with power pack A end.The foot 17,18 of integrated circuit (M1) is connected with first crystal (U2), the foot 46 of integrated circuit (M1), 47 are connected with second crystal (U3), first crystal (U2) and capacitor C 12, and C13 forms the first frequency oscillating circuit, second crystal (U3) and capacitor C 1, C2 forms the second frequency oscillating circuit.Acceleration transducer (S) and electric capacity (C6), resistance (R5) is in parallel to be connected across between the in-phase end of power pack A end and operational amplifier (U4); Parallel resistance (R7), electric capacity (C11) between the foot 6 of first operational amplifier (U4A) and the foot 7, series resistance (R6) and adjustable potentiometer (R8) are formed active low-pass filter between foot 6 and the power pack A end; Parallel resistance (R3), electric capacity (C9) between the foot 1 of operational amplifier (U4) and the foot 2, series capacitance (C10) and resistance (R4) between foot 2 and the foot 7, foot 3 connect power pack A end and constitute band filter.
Four key S1, S2, S3, S4 is respectively function key, increases key, reduces key and acknowledgement key.
This utility model energy consumption of human body monitor, because degree of will speed up sensor output voltage, after filtering is amplified, be directly changed into digital signal by A/D converter, only with 1.5 volts of batteries of a joint, three integrated device U1, U4 and M1, the active device quiescent current is minimum, and average source current is lower than 1mA during operate as normal.Board area only is 6 * 4cm
2Volume is little, and is in light weight, and power consumption is little, can provide crowds such as fat-reducing, diabetes, coronary heart disease according to energy consumption of human body, comes the infallible data of controlled motion amount and diet.
Claims (6)
1, energy consumption of human body monitor, be provided with power pack, acceleration transducer (S), dual operational amplifier (U4) and liquid crystal display (LCD), the output voltage of acceleration transducer (S), import first operational amplifier (U4A), first operational amplifier (U4A) and resistance (R6, R7, R8), electric capacity (C11) forms active low-pass filter, active low-pass filter output is imported second operational amplifier (U4B) through electric capacity (C10), resistance (R4);
Electric capacity (C9), resistance (R3), second operational amplifier (U4B) constitute band filter, it is characterized in that, outfan foot by the band filter of second operational amplifier (U4B) is connected with a foot 8 that mainly comprises the integrated circuit (M1) of A/D converter, algorithm process circuit, control circuit and lcd driver, acceleration transducer (S) output voltage, amplify through filtering, directly the A/D converter in foot 8 input ics (M1) of integrated circuit (M1) converts digital signal to; 4 I/O ends (foot 22,23,24,25) of integrated circuit (M1) connect 4 buttons (S1, S2, S3, S4) respectively; Press the control circuit of key input signal in integrated circuit for 4, the algorithms of different in the control algolithm treatment circuit, (LCD) drive circuit in the result of calculation input ic (M1), (LCD) drive circuit is connected with liquid crystal display (LCD).
2, energy consumption of human body monitor according to claim 1 is characterized in that, the foot 6,7,55,56 of integrated circuit (M1) connects the B end of power pack; Foot 5,15,19,20 ground connection of integrated circuit (M1), the foot 9 of integrated circuit (M1) is connected with power pack A end.
3, energy consumption of human body monitor according to claim 1, it is characterized in that, the foot 17 of integrated circuit (M1), 18 are connected with first crystal (U2), and the foot 46,47 of integrated circuit (M1) is connected with second crystal (U3), first crystal (U2) and capacitor C 12, C13 forms the first frequency oscillating circuit, second crystal (U3) and capacitor C 1, and C2 forms the second frequency oscillating circuit.
4, energy consumption of human body monitor according to claim 1 is characterized in that, acceleration transducer (S) and electric capacity (C6), resistance (R5) is in parallel to be connected across between the in-phase end of power pack A end and operational amplifier (U4); Parallel resistance (R7), electric capacity (C11) between the foot 6 of operational amplifier (U4) and the foot 7, series resistance (R6) and adjustable potentiometer (R8) are formed active low-pass filter between foot 6 and the power pack A end; Parallel resistance (R3), electric capacity (C9) between the foot 1 of operational amplifier (U4) and the foot 2, series capacitance (C10) and resistance (R4) between foot 2 and the foot 7, foot 3 connect power pack A end and constitute band filter.
5, energy consumption of human body monitor according to claim 1 is characterized in that, power pack is by a joint 1.5V battery, integrated device (U1) and Schottky diode (T1), and three electric capacity (C3, C4, C5), an inductance (L1) composition.
6, energy consumption of human body monitor according to claim 1 is characterized in that, the LCD drive circuit public output foot 57 to 60 in the integrated circuit (M1) is connected with the input of liquid crystal display (LCD) respectively with section outfan foot 62 to 74.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97211528 CN2295453Y (en) | 1997-02-26 | 1997-02-26 | Human body energy consumption monitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97211528 CN2295453Y (en) | 1997-02-26 | 1997-02-26 | Human body energy consumption monitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2295453Y true CN2295453Y (en) | 1998-10-28 |
Family
ID=33930005
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 97211528 Expired - Fee Related CN2295453Y (en) | 1997-02-26 | 1997-02-26 | Human body energy consumption monitor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2295453Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102445600A (en) * | 2010-09-30 | 2012-05-09 | 上海华建电力设备股份有限公司 | Optimization method based on traditional phase difference measurement and circuit |
| CN103721381A (en) * | 2013-12-04 | 2014-04-16 | 杜志刚 | Self-adaptive speed regulation circuit of running machine |
| CN108903924A (en) * | 2018-07-03 | 2018-11-30 | 浙江理工大学 | A kind of bracelet object wearing device that taking static tremor signal and method |
-
1997
- 1997-02-26 CN CN 97211528 patent/CN2295453Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102445600A (en) * | 2010-09-30 | 2012-05-09 | 上海华建电力设备股份有限公司 | Optimization method based on traditional phase difference measurement and circuit |
| CN103721381A (en) * | 2013-12-04 | 2014-04-16 | 杜志刚 | Self-adaptive speed regulation circuit of running machine |
| CN108903924A (en) * | 2018-07-03 | 2018-11-30 | 浙江理工大学 | A kind of bracelet object wearing device that taking static tremor signal and method |
| CN108903924B (en) * | 2018-07-03 | 2021-02-19 | 浙江理工大学 | Bracelet wearing device and method adopting static tremor signal |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C53 | Correction of patent of invention or patent application | ||
| CB02 | Change of applicant information |
Co-applicant after: BEIJING YAOHUA KANGYE TECHNOLOGY DEVELOPMENT CO., LTD. Co-applicant before: Beijing Dezhi garden Pharmaceutical Technology Development Co Ltd |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: CO-APPLICANT; FROM: BEIJING DEZHIYUAN MEDICINE SCIENCE DEVELOPMENT CO., LTD. TO: YAOHUA KANGYE SCIENCE AND TECHNOLOGY DEVELOPMENT CO., LTD., BEIJING |
|
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |