CN1346050A - Electronic human body platform scale - Google Patents
Electronic human body platform scale Download PDFInfo
- Publication number
- CN1346050A CN1346050A CN 00117490 CN00117490A CN1346050A CN 1346050 A CN1346050 A CN 1346050A CN 00117490 CN00117490 CN 00117490 CN 00117490 A CN00117490 A CN 00117490A CN 1346050 A CN1346050 A CN 1346050A
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- human body
- chip microcomputer
- timer
- body platform
- platform scale
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- 238000005303 weighing Methods 0.000 claims abstract description 14
- 238000006243 chemical reaction Methods 0.000 claims description 10
- 238000005259 measurement Methods 0.000 claims description 4
- GNFTZDOKVXKIBK-UHFFFAOYSA-N 3-(2-methoxyethoxy)benzohydrazide Chemical compound COCCOC1=CC=CC(C(=O)NN)=C1 GNFTZDOKVXKIBK-UHFFFAOYSA-N 0.000 claims description 3
- FGUUSXIOTUKUDN-IBGZPJMESA-N C1(=CC=CC=C1)N1C2=C(NC([C@H](C1)NC=1OC(=NN=1)C1=CC=CC=C1)=O)C=CC=C2 Chemical compound C1(=CC=CC=C1)N1C2=C(NC([C@H](C1)NC=1OC(=NN=1)C1=CC=CC=C1)=O)C=CC=C2 FGUUSXIOTUKUDN-IBGZPJMESA-N 0.000 claims description 3
- 230000036541 health Effects 0.000 abstract description 4
- 230000001960 triggered effect Effects 0.000 abstract 2
- 238000010586 diagram Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
- 230000003278 mimic effect Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 230000007958 sleep Effects 0.000 description 2
- 230000000087 stabilizing effect Effects 0.000 description 2
- 230000037396 body weight Effects 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 230000002618 waking effect Effects 0.000 description 1
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Abstract
The electronic type human body health weighing scale is formed from hardware and software, and is mainly characterized by that its software is implemented according to the following steps: a. using timer or foot switch to make trigger; b. digital circuit portion is come into working condition; d. measuring A/D converted result D; e. if it is triggered by timer, using result D as new zero point Z, and if it is triggered by foot switch, substracting present zero point valuze Z from measured result D to obtain M, calculating out true weight corresponding to human body and displaying on display; weighint is completed, turning off the display; and g. digital circuit is come into low power consumption state and the program is come into dormant state.
Description
The present invention relates to a kind of electronic human body platform scale.
At present, electronic human body platform scale on the market generally all is to power with electronic cell, in order to prolong the serviceable life of battery, general electronic health care scale all automatically shuts down all or part of circuit power at every turn and comes power saving after using, the program circuit of its weighing persons weight is seen shown in Figure 1, before weighing at every turn, all must play or step on health scale start earlier, wait for then after health scale makes zero and stand to get on to weigh again, use inconvenience like this.
The purpose of this invention is to provide a kind of electronic human body platform scale, the variation of its self-timing detected pressures sensor and mimic channel and make corresponding adjustment, read zero point accurately, do not need when weighing to wait at every turn and make zero, scale can show delicate but directly stand upward, easy to operate, and the precision height, energy-conservation.
The present invention is realized by following technical scheme: it is made up of hardware and software, hardware components is made up of circuit part and mechanical part, wherein circuit part comprises artificial circuit part, digital circuit part and power supply composition, artificial circuit part comprises strain pressure pressure transducer, amplifier and A/D converter, digital circuit partly comprises display and single-chip microcomputer, and the software section that moves in the single-chip microcomputer the inside moves as follows:
A, timer are then or the closed software section operation that triggers the single-chip microcomputer the inside of foot-switch;
B, digital circuit partly enter duty;
The D as a result of d, measurement A/D conversion;
E, judgement timer then trigger the still closed triggering of foot-switch; If timer then triggers, then the D as a result with the A/D conversion is updated to Z and storage as new value at zero point; Trigger if foot-switch is closed, when promptly the people is on scale, the D as a result that measures now deducted is worth Z current zero point and obtains M, promptly M=D-Z carries out data processing to M then, calculates the actual weight of corresponding human body and is presented on the display; Weighing finishes, and closes display;
G, digital circuit enter low power consumpting state.
Above-mentioned described power supply is made up of primary power and controlled source, and primary power is digital circuit power supplies such as single-chip microcomputer, and the control end of controlled source is connected with single-chip microcomputer, and the output terminal of controlled source is connected with pressure pressure transducer, amplifier and A/D converter; The steps d of software section should increase by a step c before, open the controlled source of artificial circuit part; To increase a step f in the front of step g, close the controlled source of artificial circuit part.
Above-mentioned described single-chip microcomputer can be a special IC with similar functions.
Above-mentioned described single-chip microcomputer can be to have storer EEPROM.
The triggering pin of above-mentioned described single-chip microcomputer links to each other with foot-switch.
Above-mentioned described timer can be the timer of the internal or external formula hardware that links to each other with single-chip microcomputer.
Above-mentioned described timer can be a software timer.
The present invention compared with prior art has following advantage: 1) easy to use, traditional electronic human body platform scale makes zero in order to guarantee that the weighing accuracy must read before weighing zero point, just can weigh then, stand directly on and just can trigger Single Chip Microcomputer (SCM) program on the scale and major advantage of the present invention is the people, measure and calculate delicate immediately, do not need to wait for and make zero.2) measuring accuracy height, because single-chip microcomputer was just measured and was refreshed one time zero point in 10 minutes at set intervals-for example, therefore the people once to survey the time phase difference at zero point on time of weighing and single-chip microcomputer automatically little, promptly influence the main factors such as temperature that change zero point and change not quite, therefore the structure of measuring is comparatively accurate certainly; 3) energy-conservation, single-chip microcomputer cuts out at every turn after having surveyed zero point and be supplied to the artificial circuit part power supply at once, and enters low power consumpting state, and therefore the energy saves energy makes battery more durable.
Below in conjunction with accompanying drawing the present invention is done detailed explanation:
Fig. 1 is the control program process flow diagram of traditional electronic human body platform scale;
Fig. 2 is a hardware block diagram of the present invention;
Fig. 3 is the circuit diagram of correspondence of the present invention;
Fig. 4 is a control program process flow diagram of the present invention.
As Fig. 2, Fig. 3, shown in Figure 4, the present invention is made up of hardware and software, hardware components is made up of circuit part and mechanical part, wherein circuit part comprises artificial circuit part, digital circuit part and power supply composition, artificial circuit part comprises strain pressure pressure transducer (1), amplifier (2) and A/D converter (3), digital circuit partly comprises display (4) and single-chip microcomputer (5), and the software section that moves in single-chip microcomputer (5) the inside moves as follows:
A, timer are then or the closed software section operation that triggers single-chip microcomputer (5) the inside of foot-switch;
B, digital circuit partly enter duty;
The D as a result of d, measurement A/D conversion;
E, judgement timer then trigger the still closed triggering of foot-switch; If timer then triggers, then the D as a result with the A/D conversion is updated to Z and storage as new value at zero point; Trigger if foot-switch is closed, when promptly the people is on scale, the D as a result that measures now deducted is worth Z current zero point and obtains M, promptly M=D-Z carries out data processing to M then, calculates the actual weight of corresponding human body and is presented on the display (4); Weighing finishes, and closes display;
G, digital circuit enter low power consumpting state, and program enters dormant state.
Power supply is made up of primary power (6) and controlled source (7) in addition, primary power (6) is single-chip microcomputer (5) and display (4) power supply, the control end of controlled source (7) is connected with single-chip microcomputer (5), and the output terminal of controlled source (7) is connected with pressure pressure transducer (1), amplifier (2) and A/D converter (3); The steps d of software section should increase by a step c before, open the controlled source (7) of artificial circuit part; To increase a step f in the front of step g, close the controlled source (7) of artificial circuit part.Single-chip microcomputer (5) can be to have storer EEROM (9), and software section can be stored in storer EEROM (9).The triggering pin of single-chip microcomputer (5) links to each other with foot-switch (8).Timer can be the timer of the internal or external formula hardware that links to each other with single-chip microcomputer (5), also can be a software timer, and software timer can be realized by the program module of redirect after the time-delay.Display can be mainly used in demonstration and measure weight with LCD display or LED charactron.
Embodiment: as shown in Figure 3, principle of work of the present invention is as follows: power supply provides 6V～9V voltage, after the IC3 voltage stabilizing, produces the burning voltage about 5V, supplies with the power supply of numerical portions such as MCU, EEROM.Another part is then by the voltage about generation 5V such as Q4, Q1, IC4A, and simulation parts such as sensor, amplifier and A/D conversion are given in power supply.Output voltage is through IC4A sampling feedback readjustment homogeneous tube Q4, and what adopt here is negative feedback, plays burning voltage.Simultaneously, when supply voltage drops to a certain degree, the output terminal of IC4A will produce a high level, be input to MCU by R8, play low electric alarm.MCU can control the power switch of this voltage stabilizing part by PC4 and PC5 in addition, and as the PC4 output low level, PC5 exports a high level pulse can make the mimic channel power work; PC4 exports a high level can make adjustment pipe Q4 block, and turn-offs out-put supply.
IC4D and near relevant resistance capacitance constitute signal amplifier among Fig. 3.When the pressure-strain sensor was experienced object pressure, strain produced the positive-negative input end that electric signal is added on operational amplifier, and this signal outputs to the input end of A/D conversion after linearity of amplifier amplifies.The A/D conversion is made of IC4B, IC4C, Q5, related resistors capacitance network and MCU software control.Like this, be added in the weight on the pressure-strain sensor, its weight converts numerical value by pressure-strain sensor, direct current signal amplifier, double integration A/D converter in MCU, shows on LCD or LED through handling again.Measuring accuracy depends on the linearity of pressure-strain sensor, the linearity of direct current signal amplifier, the stability of benchmark comparative voltage and the linear compensation of software etc.
An important parameters is arranged: null value here.Null value exactly when do not have measuring weight and be added on the pressure-strain sensor, the numerical value that comes out after the signal A/D conversion.Null value is very big to the measuring accuracy influence, because the weight of measuring is based on the relative weight of null value, if the null value instability, the deviation of the weight of measuring is bigger.Yet the variation of environment such as temperature, humidity also is bigger to the influence of null value.With what measure evening certain deviation arranged also such as the null value of measuring morning, therefore, way commonly used is exactly a survey null value earlier before each the measurement.The weight of measuring like this is just more accurate.But it is pretty troublesome doing like this user.Measure the body weight constant practice such as the user and be used on the station electronic scales and just can obtain a result, but in fact this can make mistakes, because at this moment null value is not also measured at once.Conventional way is exactly to click switch earlier, waits for 1～2 second, shows after " 0 ", on the scale of standing again at electronic scales.People to some unused this scales is cumbersome like this.Therefore, we design the automatic zero set (AZS) electronic scales and also are fool's scale, are to claim function on realizing automatically on the basis that does not influence measuring accuracy.Our way is to increase a timer, and every 5 minutes or 10 minutes, this was that the timing that meets accuracy requirement produces a signal in the ordinary course of things when MCU sleeps, and allows MCU regularly measure null value and renewal.MCU reenters sleep state to save electricity consumption after upgrading null value.Survey null value before so just needn't measuring earlier, be more convenient to the user at every turn.
Now the principle of work of automatic zero set (AZS) electronic scales once is described again: when connecting with the mains, MCU begins to read control information and the data information on the EEPROM, and each module of initialization, produces timing signal every 5 minutes or 10 minutes as timer.Measure null value, and null value is made as current null value.Then turn-off simulation part power supply, can save electricity consumption like this by PC5.MCU enters dormant state afterwards, and in the dormant state of MCU, its power consumption is low-down.At this moment total system is in dormant state, has only timer or the foot-switch of weighing (8) just can wake MCU up, as the switch of weighing do not have signal, and then timer one for example produced a signal in 5 minutes or 10 minutes and wakes MCU up at set intervals.After waking up, MCU measures a null value, and upgrades, and is current null value with this null value.MCU enters dormant state once more to save electricity consumption afterwards.When the user need weigh, need only be well just toward station on the electronic scales.At this moment the foot-switch of weighing (8) on the scale connects, and wakes MCU up, and is to weigh in the basis with current null value, and weighing results is presented on LCD or the LED display.After 8 seconds, MCU enters dormant state again again.Reduce as supply voltage, then the output terminal of IC4A will be exported a high level to make low electric alarm.Will show low electric signal when MCU wakes up, notify the user to change battery.
Here it is our designed automatic zero set (AZS) electronic scales.Be characterized in that use is simple, power consumption is low, measuring accuracy is high.
Claims (7)
1, electronic human body platform scale, form by hardware and software, hardware components is made up of circuit part and mechanical part, wherein circuit part comprises artificial circuit part, digital circuit part and power supply composition, artificial circuit part comprises strain pressure pressure transducer (1), amplifier (2) and A/D converter (3), digital circuit partly comprises display (4) and single-chip microcomputer (5), it is characterized in that moving as follows at the software section of single-chip microcomputer (5) the inside operation:
A, timer are then or the closed software section operation that triggers single-chip microcomputer (5) the inside of foot-switch;
B, digital circuit partly enter duty;
The D as a result of d, measurement A/D conversion;
E, judgement timer then trigger the still closed triggering of foot-switch; If timer then triggers, then the D as a result with the A/D conversion is updated to Z and storage as new value at zero point; Trigger if foot-switch is closed, when promptly the people is on scale, the D as a result that measures now deducted is worth Z current zero point and obtains M, promptly M=D-Z carries out data processing to M then, calculates the actual weight of corresponding human body and is presented on the display (4); Weighing finishes, and closes display;
G, digital circuit enter low power consumpting state, and program enters dormant state.
2, electronic human body platform scale according to claim 1, it is characterized in that described power supply is made up of primary power (6) and controlled source (7), primary power (6) is single-chip microcomputer (5) and display (4) power supply, the control end of controlled source (7) is connected with single-chip microcomputer (5), and the output terminal of controlled source (7) is connected with pressure pressure transducer (1), amplifier (2) and A/D converter (3); The steps d of software section increases by a step c before, opens the controlled source (7) of artificial circuit part; To increase a step f in the front of step g, close the controlled source (7) of artificial circuit part.
3, electronic human body platform scale according to claim 1 is characterized in that single-chip microcomputer (5) can be a special IC with similar functions.
4, electronic human body platform scale according to claim 1 is characterized in that single-chip microcomputer (5) can be to have storer EEPROM (9).
5, electronic human body platform scale according to claim 1 is characterized in that linking to each other with foot-switch (8) at the triggering pin of single-chip microcomputer (5).
6, described electronic human body platform scale according to claim 1 is characterized in that described timer can be the timer of the internal or external formula hardware that links to each other with single-chip microcomputer (5).
7, described electronic human body platform scale according to claim 1 is characterized in that described timer can be a software timer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00117490 CN1117268C (en) | 2000-09-27 | 2000-09-27 | Electronic human body platform scale |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00117490 CN1117268C (en) | 2000-09-27 | 2000-09-27 | Electronic human body platform scale |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1346050A true CN1346050A (en) | 2002-04-24 |
| CN1117268C CN1117268C (en) | 2003-08-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00117490 Expired - Fee Related CN1117268C (en) | 2000-09-27 | 2000-09-27 | Electronic human body platform scale |
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| Country | Link |
|---|---|
| CN (1) | CN1117268C (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009100569A1 (en) * | 2008-02-01 | 2009-08-20 | Zhongshan Transtek Electronics Co., Ltd | Startup device for electronical steelyard and electronical steelyard which could be started up automatically |
| CN101953680A (en) * | 2010-10-22 | 2011-01-26 | 滨州学院 | Household health index analyzer |
| CN102265123A (en) * | 2008-12-26 | 2011-11-30 | 欧姆龙健康医疗事业株式会社 | Weight measuring device |
| CN102419200A (en) * | 2011-09-14 | 2012-04-18 | 厦门顶尖电子有限公司 | Improved electronic scale |
| CN102564556A (en) * | 2012-01-07 | 2012-07-11 | 中山佳维电子有限公司 | Control method and system of intelligent power-saving electronic scale |
| CN102564552A (en) * | 2011-12-20 | 2012-07-11 | 福建新大陆电脑股份有限公司 | Power supply management method and power supply management device for electronic scale |
| CN103453976A (en) * | 2013-09-04 | 2013-12-18 | 西安嵌牛电子科技有限公司 | Bluetooth weighing scale and method for keeping low power consumption of Bluetooth weighing scale |
| CN104205156A (en) * | 2012-06-29 | 2014-12-10 | 株式会社Cas | Terminal for checking scale calibration records, system for managing scale calibration records, and method for checking scale calibration records |
| CN107121183A (en) * | 2017-05-26 | 2017-09-01 | 桂林电子科技大学 | A kind of low-power consumption height and weight measurement apparatus |
| CN107343046A (en) * | 2017-07-05 | 2017-11-10 | 深圳市宏鑫源投资咨询有限公司 | A kind of network supervision system |
| CN107454146A (en) * | 2017-07-05 | 2017-12-08 | 深圳市宏鑫源投资咨询有限公司 | A kind of platform scale periodically monitors the method and platform scale of goods weight |
| CN111830816A (en) * | 2020-06-28 | 2020-10-27 | 南京天朗防务科技有限公司 | Self-adaptive timing method and device |
-
2000
- 2000-09-27 CN CN 00117490 patent/CN1117268C/en not_active Expired - Fee Related
Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009100569A1 (en) * | 2008-02-01 | 2009-08-20 | Zhongshan Transtek Electronics Co., Ltd | Startup device for electronical steelyard and electronical steelyard which could be started up automatically |
| CN101952828B (en) * | 2008-02-01 | 2012-09-26 | 中山市创源电子有限公司 | Startup device for electronical steelyard and electronical steelyard which could be started up automatically |
| CN102265123A (en) * | 2008-12-26 | 2011-11-30 | 欧姆龙健康医疗事业株式会社 | Weight measuring device |
| US8707753B2 (en) | 2008-12-26 | 2014-04-29 | Omron Healthcare Co., Ltd. | Weight measuring device |
| CN102265123B (en) * | 2008-12-26 | 2014-07-09 | 欧姆龙健康医疗事业株式会社 | Weight measuring device |
| CN101953680A (en) * | 2010-10-22 | 2011-01-26 | 滨州学院 | Household health index analyzer |
| CN101953680B (en) * | 2010-10-22 | 2012-03-28 | 滨州学院 | Household health index analyzer |
| CN102419200A (en) * | 2011-09-14 | 2012-04-18 | 厦门顶尖电子有限公司 | Improved electronic scale |
| CN102564552A (en) * | 2011-12-20 | 2012-07-11 | 福建新大陆电脑股份有限公司 | Power supply management method and power supply management device for electronic scale |
| CN102564552B (en) * | 2011-12-20 | 2015-04-22 | 福建新大陆电脑股份有限公司 | Power supply management method and power supply management device for electronic scale |
| CN102564556A (en) * | 2012-01-07 | 2012-07-11 | 中山佳维电子有限公司 | Control method and system of intelligent power-saving electronic scale |
| CN102564556B (en) * | 2012-01-07 | 2014-07-09 | 中山佳维电子有限公司 | Control method and system of intelligent power-saving electronic scale |
| CN104205156A (en) * | 2012-06-29 | 2014-12-10 | 株式会社Cas | Terminal for checking scale calibration records, system for managing scale calibration records, and method for checking scale calibration records |
| CN104205156B (en) * | 2012-06-29 | 2018-04-20 | 株式会社Cas | Scale correction resume confirm terminal, scale correction record management system and scale correction resume confirmation method |
| CN103453976A (en) * | 2013-09-04 | 2013-12-18 | 西安嵌牛电子科技有限公司 | Bluetooth weighing scale and method for keeping low power consumption of Bluetooth weighing scale |
| CN107121183A (en) * | 2017-05-26 | 2017-09-01 | 桂林电子科技大学 | A kind of low-power consumption height and weight measurement apparatus |
| CN107343046A (en) * | 2017-07-05 | 2017-11-10 | 深圳市宏鑫源投资咨询有限公司 | A kind of network supervision system |
| CN107454146A (en) * | 2017-07-05 | 2017-12-08 | 深圳市宏鑫源投资咨询有限公司 | A kind of platform scale periodically monitors the method and platform scale of goods weight |
| CN111830816A (en) * | 2020-06-28 | 2020-10-27 | 南京天朗防务科技有限公司 | Self-adaptive timing method and device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1117268C (en) | 2003-08-06 |
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Owner name: GUANGDONG LEXIN MEDICAL ELECTRONICS CO., LTD. Free format text: FORMER OWNER: PAN WEICHAO Effective date: 20130208 |
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Effective date of registration: 20130208 Address after: 528437 zone A, investment building, No. 12, East Conference Road, Torch Development Zone, Guangdong, Zhongshan Patentee after: Guangdong Transtek Medical Electronics Co., Ltd. Address before: 528403 Guangdong city of Zhongshan province Songyuan Longjing Street No. 9 lane two Patentee before: Pan Weichao |
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Effective date of registration: 20161214 Address after: People in the town of Shenzhen Jin An Lu Village championship of Guangdong province 528441 city A District No. 23 Patentee after: Zhongshan happy Electronics Co., Ltd. Address before: 528437 zone A, investment building, No. 12, East Conference Road, Torch Development Zone, Guangdong, Zhongshan Patentee before: Guangdong Transtek Medical Electronics Co., Ltd. |
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