CN205785475U - Infanette scale - Google Patents

Infanette scale Download PDF

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Publication number
CN205785475U
CN205785475U CN201620681792.8U CN201620681792U CN205785475U CN 205785475 U CN205785475 U CN 205785475U CN 201620681792 U CN201620681792 U CN 201620681792U CN 205785475 U CN205785475 U CN 205785475U
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CN
China
Prior art keywords
infanette
chip microcomputer
scale
change
human
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Expired - Fee Related
Application number
CN201620681792.8U
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Chinese (zh)
Inventor
吴敬
孙浩桐
吕小毅
李新刚
莫家庆
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Xinjiang University
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Xinjiang University
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Priority to CN201620681792.8U priority Critical patent/CN205785475U/en
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Publication of CN205785475U publication Critical patent/CN205785475U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a kind of infanette scale, including single-chip microcomputer, data acquisition module, mixed-media network modules mixed-media, human-computer interaction interface and power supply;Data acquisition module, mixed-media network modules mixed-media, human-computer interaction interface and power supply are electrically connected on single-chip microcomputer;Data acquisition module includes human body infrared induction apparatus, 4 pressure transducers and A/D change-over circuit, and pressure transducer sends A/D change-over circuit to after collecting gravimetric data, A/D change-over circuit passes to single-chip microcomputer after analogue signal is converted into digital signal.Function of weighing is combined with infanette, it is achieved every day is automatic Weighing the advantage of record analysis when infant sleep.

Description

Infanette scale
Technical field
This utility model relates to a kind of quality weighing device, in particular it relates to a kind of infanette scale.
Background technology
The body weight of child becomes the heads of a family and pays close attention to one of important indicator that child grows up healthy and sound.Pedometer in the market Use very inconvenient, although scale figure modelling goes to be suitable for baby contour as much as possible, but yet suffers from unsafe factor, gently Then baby crying does not stops, and heavy then baby can drop from scale.Whenever weighing sb. to baby scale, the head of a family will be careful.When Time baby is ill-matched, also can only abandon weighing.In order to carry out measured body weight to baby exactly, again can maximum journey Degree ground reduces the discomfort that causes baby and injury, and to the record of baby's weight data, analysis, have developed this product Product.
Although current intelligent scale can record data, owing to weighing inconvenience, the head of a family can not weigh infants continually Weight.And data recording process is complicated, needing manually to click on, data coherency is poor.
The working method of the most existing scale is passive, needs people actively to weigh and could produce data.
Utility model content
The purpose of this utility model is, for the problems referred to above, proposes a kind of bed scale, to realize claiming in sleep procedure every day The advantage weighed sb..
For achieving the above object, the technical solution adopted in the utility model is:
A kind of infanette scale, including single-chip microcomputer, data acquisition module, mixed-media network modules mixed-media, human-computer interaction interface and power supply;Described Data acquisition module, mixed-media network modules mixed-media, human-computer interaction interface and power supply are electrically connected on single-chip microcomputer;Described data acquisition module includes Human body infrared induction apparatus, 4 pressure transducers and A/D change-over circuit, human body infrared induction apparatus detects baby the most in bed, and Sending detection data to single-chip microcomputer, single-chip microcomputer performs corresponding operating according to result of detection, and pressure transducer collects gravity number Sending A/D change-over circuit after according to, A/D change-over circuit passes to single-chip microcomputer, described pressure after analogue signal is converted into digital signal Force transducer is placed in bottom infanette bed board.
Further, human-computer interaction interface includes key switch and display, above-mentioned key switch and display electricity respectively It is connected to single-chip microcomputer.
Further, 4 pressure transducers connect in half-bridge mode, form a full-bridge circuit, each pressure transducer In public red line, as power supply and the output lead of whole full-bridge circuit.
Further, described single-chip microcomputer, A/D change-over circuit, mixed-media network modules mixed-media, human-computer interaction interface and power supply are arranged on one In master control box, described master control box is placed in outside the head of a bed.
Further, master control box has 5 buttons, respectively ON/OFF, zero setting, body weight, on turn over and under turn over.
Further, described A/D change-over circuit, including A/D conversion chip HX711, described A/D conversion chip HX711's Mu balanced circuit control output end is connected with the base stage of audion, and the colelctor electrode of audion is electric with the simulation of A/D conversion chip HX711 Source connects, the node between colelctor electrode and the analog power end of A/D conversion chip HX711 of audion and electric capacity C1 series connection Ground, the colelctor electrode of audion connect with resistance R1 and resistance R2 successively after ground connection, the node of resistance R1 and resistance R2 and A/D conversion The mu balanced circuit of chip HX711 controls input and connects, the emitter stage of audion respectively with the voltage stabilizing of A/D conversion chip HX711 Circuit power end and numeral power end connect, and the reference power source outfan of A/D conversion chip HX711 is connected with electric capacity C2 ground connection.
Further, detection data the most in bed, and is sent to single-chip microcomputer by human body infrared induction apparatus detection baby, single Sheet machine performs in corresponding operating according to result of detection, and corresponding operating includes peeling or weighing operation.
The technical solution of the utility model has the advantages that
The integrated intelligent scale of each embodiment of this utility model, combines function of weighing with infanette, is placed in by sensor Baby bed bottom, can measure body weight every day automatically, gathers data comprehensively accurate, helps user actively to carry out health data prison Survey.
By the way of intelligence scale combines with bed, baby sleeps every day when, actively weigh and record data, can To generate coherent data, processed by data can show every day, per week, monthly, annual body weight curve.The head of a family can be with Time check the body weight change of baby, the growth of record child's dribs and drabs, meanwhile, also eliminate and weigh in exclusively for child Various troubles.After child grows up, the present can grown up as child.
Accompanying drawing explanation
Fig. 1 is the schematic block circuit diagram of the infanette scale described in this utility model embodiment;
Fig. 2 a is the schematic diagram of the pressure transducer normality shape described in this utility model embodiment;
Fig. 2 b is that the pressure transducer described in this utility model embodiment is weighed schematic diagram when deforming upon;
Fig. 3 is the structural representation of the weighing apparatus being made up of 4 pressure transducers;
Fig. 4 is the electronic circuitry of A/D change-over circuit.
In conjunction with accompanying drawing, in this utility model embodiment, reference is as follows:
201-sensor fixed support;202-deformable member;203-the first Deformation Detection point;204-the second Deformation Detection Point.
Detailed description of the invention
Below in conjunction with accompanying drawing, preferred embodiment of the present utility model is illustrated, it will be appreciated that described herein excellent Select embodiment to be merely to illustrate and explain this utility model, being not used to limit this utility model.
A kind of weighing device of this utility model design, particularly a kind of infanette scale of design.In every day, sleep procedure can be claimed Weigh sb., and record analysis data.Early warning is sent when body weight exception.
As it is shown in figure 1, infanette scale disclosed in this utility model, including single-chip microcomputer, data acquisition module, mixed-media network modules mixed-media, Human-computer interaction interface and power supply;Data acquisition module, mixed-media network modules mixed-media, human-computer interaction interface and power supply are electrically connected on single-chip microcomputer; Data acquisition module includes human body infrared induction apparatus, 4 pressure transducers and A/D change-over circuit, and human body infrared induction apparatus detects Detection data the most in bed, and is sent to single-chip microcomputer by baby, and single-chip microcomputer performs corresponding operating according to result of detection, grasps accordingly Make to include operations such as removing the peel or weigh.Pressure transducer is electrically connected to single-chip microcomputer by A/D change-over circuit;Pressure transducer gathers Sending A/D change-over circuit after gravimetric data to, A/D change-over circuit passes to monolithic after analogue signal is converted into digital signal Machine, pressure transducer is placed in bottom infanette bed board.
Normal without weighing state for pressure transducer as shown in Figure 2 a, when people sleeps in bed, pressure transducer change is shown It is intended to as shown in Figure 2 b.
Wherein, human-computer interaction interface includes that key switch and display, above-mentioned key switch and display are electrically connected To single-chip microcomputer.
4 pressure transducers connect in half-bridge mode, form a full-bridge circuit, public red in each pressure transducer Line, as power supply and the output lead of whole full-bridge circuit.
Single-chip microcomputer, A/D change-over circuit, mixed-media network modules mixed-media, human-computer interaction interface and power supply are placed in a master control box.Should Master control box, long 150 millimeters, wide 100 millimeters, thick 50 millimeters.Master control box is placed in outside the head of a bed.
The technical program also includes body weight abnormity prompt module, and body weight abnormity prompt module is according to the single-chip microcomputer place to data Reason and analyze, when weight data vary more than predetermined value time, " please noting that body weight converts " information can be shown by display.
Further, above-mentioned master control box has 5 buttons, respectively ON/OFF, zero setting, body weight, on turn over, under turn over.
As shown in Figure 4, A/D change-over circuit, including the voltage stabilizing electricity of A/D conversion chip HX711, A/D conversion chip HX711 Control output end, road is connected with the base stage of audion, and the colelctor electrode of audion connects with the analog power end of A/D conversion chip HX711 Connecing, the node between the colelctor electrode of audion and the analog power end of A/D conversion chip HX711 is connected with electric capacity C1 ground connection, and three The colelctor electrode of pole pipe connect with resistance R1 and resistance R2 successively after ground connection, the node of resistance R1 and resistance R2 and A/D conversion chip The mu balanced circuit of HX711 controls input and connects, the emitter stage of audion respectively with the mu balanced circuit of A/D conversion chip HX711 Power end and numeral power end connect, and the reference power source outfan of A/D conversion chip HX711 is connected with electric capacity C2 ground connection.
The capacitance of electric capacity C1 is 10uF, and the capacitance of electric capacity C2 is 0.1uF.
In Fig. 4, each pin of A/D conversion chip HX711 is described as follows: mu balanced circuit power end: VSUP;Mu balanced circuit control Outfan processed: BASE;Analog power end: AVDD;Mu balanced circuit controls input: VFB;Simulation ground end: AGND;Reference power source is defeated Go out end: VBG;Passage A negative input end: INA-;Passage A positive input terminal: INA+;Digital power end: DVDD;Output data rate control Input processed: RATE;External clock or crystal oscillator input: XI;Crystal oscillator outfan: XO;Serial data outfan: DOUT;Power-off With serial ports input end of clock: PD_SCK;Passage B positive input terminal: INB+;Passage B negative input end: INB-.
A preferred embodiment of the present utility model is placed in bedside cabinet by four LOAD CELLSs being placed in cabinet base and one Primary control box composition, power with 5v power supply.Master control box length 150 millimeters, wide 100 millimeters, thick 50 millimeters, there are 5 buttons, point Not Wei zero setting, clock, body weight, on turn over, under turn over.
The technical program, combines function of weighing with infanette.
This preferred embodiment is mainly with single-chip microcomputer arduino nano control core, it is achieved the basic function of electronic scale.System System can be divided into data acquisition, human-computer interaction interface, clock module, system power supply, network connection, body weight abnormity prompt module six Major part.1. part of data acquisition is made up of YZC1616 LOAD CELLS and A/D conversion portion, and A/D conversion portion is mainly by specially Realize by type 24 AD conversion chip HX711 of high accuracy;2. human-computer interaction interface is key-press input and dot lcd shows, main Use 5 key boards and Oled liquid crystal display, video data intuitively can be facilitated;3. clock module uses single-chip microcomputer to carry Clock module and display screen composition, display shows time, and weight data last time at ordinary times;It is straight that 4 system power supplies adopt 18650 batteries Stream power supply, configuration 220v turns 5v transformator.5. mixed-media network modules mixed-media uses ESP8266 wireless module, can timing be uploaded by data measured To network, user is facilitated to check historical data.Body weight abnormity prompt module by single-chip microcomputer to the process of data and display one Having risen, when weight data change over range, display can show that " please noting weight loss " " please notes in body weight Rise " etc. prompting, to remind user to pay close attention to health condition.This electronic scale can realize basic function of weighing (scope of weighing be 0~ 200Kg), and extend clock display and network is uploaded and the function of body weight abnormity prompt.Whole system simple in construction, can help User pays close attention to health in time, helps user to keep fit.
Most preferably, data acquisition module is by extensively surveying YZC-1616 weighing scale LOAD CELLS and HX711 LOAD CELLS Special A/D converter forms.
Need one group totally 4 sensors connect in half-bridge mode, transfer data to HX711 high-precision weighing sensor 24 A/D converters;Such four half-bridges, one full-bridge circuit of composition, red line public in each sensor, as whole entirely The power supply of bridge circuit and output lead.
As shown in Figure 3, LOAD CELLS is formed full-bridge circuit by four strain transducers, in Electronic Scales for Human Beings, and four Strain transducer is cascaded;In each sensor is duplex sheet, is the equal of the half-bridge of 2 strain gauge compositions Circuit, so being 3 lines, wherein single line (red line) is the public outlet of 2 strain gauges, at the human body of four sensor compositions In scale system, the black line concatenation of four sensors, white line concatenates.Such four half-bridges, one full-bridge circuit of composition, each sensing Red line public in device, as power supply and the output lead of whole full-bridge circuit.
Last it is noted that the foregoing is only preferred embodiment of the present utility model, it is not limited to this Utility model, although being described in detail this utility model with reference to previous embodiment, for those skilled in the art For, the technical scheme described in foregoing embodiments still can be modified by it, or to wherein portion of techniques feature Carry out equivalent.All within spirit of the present utility model and principle, any modification, equivalent substitution and improvement etc. made, all Within protection domain of the present utility model should be included in.

Claims (7)

1. an infanette scale, it is characterised in that include single-chip microcomputer, data acquisition module, mixed-media network modules mixed-media, human-computer interaction interface and Power supply;Described data acquisition module, mixed-media network modules mixed-media, human-computer interaction interface and power supply are electrically connected on single-chip microcomputer;Described data acquisition Collection module includes that human body infrared induction apparatus, 4 pressure transducers and A/D change-over circuit, human body infrared induction apparatus detection baby are No and will send after detection data to single-chip microcomputer in bed, single-chip microcomputer performs corresponding operating, pressure transducer according to result of detection Sending A/D change-over circuit after collecting gravimetric data to, A/D change-over circuit passes to list after analogue signal is converted into digital signal Sheet machine, described pressure transducer is placed in bottom infanette bed board.
Infanette scale the most according to claim 1, it is characterised in that human-computer interaction interface includes key switch and display Device, above-mentioned key switch and display are respectively electrically connected to single-chip microcomputer.
Infanette scale the most according to claim 1, it is characterised in that 4 pressure transducers connect in half-bridge mode, group Becoming a full-bridge circuit, red line public in each pressure transducer, as power supply and the output lead of whole full-bridge circuit.
Infanette scale the most according to claim 1, it is characterised in that described single-chip microcomputer, A/D change-over circuit, mixed-media network modules mixed-media, Human-computer interaction interface and power supply are arranged in a master control box, and described master control box is placed in outside the head of a bed.
Infanette scale the most according to claim 4, it is characterised in that have 5 buttons on master control box, respectively ON/OFF, Zero setting, body weight, on turn over and under turn over.
Infanette scale the most according to claim 1, it is characterised in that described A/D change-over circuit, including A/D conversion chip HX711, the mu balanced circuit control output end of described A/D conversion chip HX711 is connected with the base stage of audion, the current collection of audion Pole is connected with the analog power end of A/D conversion chip HX711, and the colelctor electrode of audion is electric with the simulation of A/D conversion chip HX711 Node between source is connected with electric capacity C1 ground connection, the colelctor electrode of audion connect with resistance R1 and resistance R2 successively after ground connection, The node of resistance R1 and resistance R2 controls input with the mu balanced circuit of A/D conversion chip HX711 and is connected, the emitter stage of audion It is connected with mu balanced circuit power end and the numeral power end of A/D conversion chip HX711 respectively, the reference of A/D conversion chip HX711 Power output end is connected with electric capacity C2 ground connection.
Infanette scale the most according to claim 1, it is characterised in that whether human body infrared induction apparatus detection baby is at bed On, and detection data is sent to single-chip microcomputer, single-chip microcomputer performs in corresponding operating according to result of detection, and corresponding operating includes peeling Or weighing operation.
CN201620681792.8U 2016-07-01 2016-07-01 Infanette scale Expired - Fee Related CN205785475U (en)

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Application Number Priority Date Filing Date Title
CN201620681792.8U CN205785475U (en) 2016-07-01 2016-07-01 Infanette scale

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Application Number Priority Date Filing Date Title
CN201620681792.8U CN205785475U (en) 2016-07-01 2016-07-01 Infanette scale

Publications (1)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106595819A (en) * 2017-01-18 2017-04-26 郑州迪生仪器仪表有限公司 Continuous baby weighing method of baby incubator
CN107907196A (en) * 2017-11-14 2018-04-13 广东葫芦堡文化科技股份有限公司 A kind of curved surface for infanette weigh supporting plate and measure infant weight method

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106595819A (en) * 2017-01-18 2017-04-26 郑州迪生仪器仪表有限公司 Continuous baby weighing method of baby incubator
CN106595819B (en) * 2017-01-18 2019-01-29 郑州迪生仪器仪表有限公司 Infant incubator baby's continuous weighting method
CN107907196A (en) * 2017-11-14 2018-04-13 广东葫芦堡文化科技股份有限公司 A kind of curved surface for infanette weigh supporting plate and measure infant weight method

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20161207

Termination date: 20170701