CN206095394U - Lazy people's balance in bedroom - Google Patents

Abstract

The utility model discloses a lazy people's balance in bedroom, including singlechip, data acquisition module, network module, man -machine interface and power, data acquisition module, network module, man -machine interface and power electricity are connected to on the singlechip, data acquisition module includes that 4 pressure sensor and a AD converting circuit, 4 pressure sensor place respectively in 4 cuboid boxes, and pressure sensor is connected to the singlechip through the AD converting circuit electricity, pressure sensor sends AD converting circuit to after gathering the gravimetric data, it is said that the singlechip was given to the hanks after AD converting circuit turned into data signal with analog signal. Realize the advantage of every day automatic weighing and record analysis when the people sleeps.

Description

Bedroom lazyboot's scale

Technical field

The utility model is related to a kind of quality weighing device, in particular it relates to a kind of bedroom lazyboot scale.

Background technology

With growth in the living standard, people's concern health problem more, weight status exactly weigh the weight of health Want index.Many families can all buy scale, and lower body weight is just claimed when remembering.There is common title and intelligence in the market Claim two kinds.

It is common to claim to need station deserving to be called the body weight that could show oneself, people oneself memory weight data can only be leaned on.

Although current intelligent scale with record data can be only limitted to that when people remembers and weighs data could be produced, And data recording process is complicated, need to click on mobile phone manually.If when forgetting to weigh, can also cause data discontinuous.

Existing title working method is passive, and needing people actively to weigh could produce data.Bedroom lazyboot claims just to solve Problem above.By way of intelligently claiming in combination with bed, when people sleep daily, number is actively weighed and recorded According to, coherent data can be generated, body weight curve daily, per week, monthly, annual can be shown by data processing.

When person health condition occurs abnormal, body weight also can change therewith, but daily variable quantity is too little, It is difficult to discover.

Utility model content

The purpose of this utility model is, for the problems referred to above, a kind of bedroom lazyboot scale is proposed, to realize sleeping daily The advantage weighed in journey.

For achieving the above object, the technical solution adopted in the utility model is：A kind of bedroom lazyboot 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 electric connection is to single-chip microcomputer；Data acquisition module includes 4 pressure sensors and A/D change-over circuits, 4 pressure sensors It is individually positioned in 4 cuboid boxes, pressure sensor is collected and send to after gravimetric data A/D change-over circuits, A/D conversions Analog signal is converted into after data signal and transmits data to single-chip microcomputer by circuit.

Further, human-computer interaction interface includes key switch and display, above-mentioned key switch and display difference electricity It is connected to single-chip microcomputer.

Further, 4 pressure sensors are connected in half-bridge mode, constitute a full-bridge circuit, each pressure sensor In public red line, the power supply and output line as whole full-bridge circuit.

Further, single-chip microcomputer, A/D change-over circuits, mixed-media network modules mixed-media, human-computer interaction interface and power supply are placed on a master control In box.

Further, have 5 buttons on above-mentioned master control box, respectively zero setting, clock, body weight, on turn over, under turn over.

Further, the A/D change-over circuits, including A/D conversion chip HX711, the A/D conversion chips HX711's Mu balanced circuit control output end is connected with the base stage of triode, and the colelctor electrode of triode is electric with the simulation of A/D conversion chip HX711 Source connection, the node between the colelctor electrode of triode and the analog power end of A/D conversion chip HX711 and electric capacity C1 series connections Ground, the colelctor electrode of triode is grounded after connecting with resistance R1 and resistance R2 successively, and node and the A/D of resistance R1 and resistance R2 are changed The mu balanced circuit control signal connection of chip HX711, the emitter stage of triode respectively with the voltage stabilizing of A/D conversion chip HX711 Circuit power end and the connection of digital power end, the reference power source output end of A/D conversion chip HX711 is connected ground connection with electric capacity C2.

Further, the length and width of the cuboid box and height are respectively 100 millimeters, 100 millimeters and 26 millimeters.

The technical solution of the utility model has the advantages that：

Bedroom lazyboot's scale of each embodiment of the utility model, for installed in cabinet base, can automatic measurement body weight daily, adopt Collection data comprehensively accurately, help user actively to carry out health data monitoring.

Description of the drawings

Fig. 1 is the electrical principle block diagram of the bedroom lazyboot's scale described in the utility model embodiment；

Fig. 2 a are the pressure sensor normality schematic shapes described in the utility model embodiment；

Fig. 2 b are that the pressure sensor described in the utility model embodiment is weighed structural representation when deforming upon；

Fig. 3 is a weighing apparatus structural representation being made up of 4 pressure sensors；

Fig. 4 is the electronic circuitry of A/D change-over circuits.

With reference to accompanying drawing, reference is as follows in the utility model embodiment：

201- sensor fixed supports；202- deformable members；203- the first Deformation Detection points；The Deformation Detections of 204- second Point.

Specific embodiment

Preferred embodiment of the present utility model is illustrated below in conjunction with accompanying drawing, it will be appreciated that described herein excellent Select embodiment to be merely to illustrate and explain the utility model, be not used to limit the utility model.

The application designs a kind of weighing device, particularly designs a kind of bedroom lazyboot scale.Can weigh in daily sleep procedure Body weight, and record analysis data.Early warning is sent when body weight is abnormal.

As shown in figure 1, bedroom lazyboot scale disclosed in the utility model, including single-chip microcomputer, data acquisition module, network mould Block, human-computer interaction interface and power supply；Data acquisition module, mixed-media network modules mixed-media, human-computer interaction interface and power electric connection are to single-chip microcomputer On；Data acquisition module includes 4 pressure sensors and A/D change-over circuits, 4 pressure sensors be individually positioned in 4 it is rectangular In body box, pressure sensor is electrically connected to single-chip microcomputer by A/D change-over circuits；Pressure sensor collected and passed after gravimetric data A/D change-over circuits are given, analog signal is converted into after data signal and passes to single-chip microcomputer by A/D change-over circuits.

The length and width and height of the cuboid box of storage pressure sensor is respectively 100 millimeters, 100 millimeters and 26 millimeters.

Such as Fig. 2（a）It show pressure sensor normal without state of weighing, when people sleeps in bed, pressure sensor change Schematic diagram such as Fig. 2（b）It is shown.

Further, human-computer interaction interface includes key switch and display, above-mentioned key switch and display difference electricity It is connected to single-chip microcomputer.

Further, 4 pressure sensors are connected in half-bridge mode, constitute a full-bridge circuit, each pressure sensor In public red line, the power supply and output line as whole full-bridge circuit.

Further, single-chip microcomputer, A/D change-over circuits, mixed-media network modules mixed-media, human-computer interaction interface and power supply are placed on a master control In box.A length of 150 millimeters of the master control box, a width of 100 millimeters, a height of 50 millimeters.

Further, also including body weight abnormity prompt module, place of the body weight abnormity prompt module according to single-chip microcomputer to data Reason and analyze, when weight data change more than predetermined value when, " please noting changes of weight " information can be shown by display.

Further, have 5 buttons on above-mentioned master control box, respectively zero setting, clock, body weight, on turn over and under turn over.

One preferred embodiment of the application is by four LOAD CELLSs for being placed in cabinet base and a master for being placed in bedside cupboard Control box composition, is powered with 5v power supplys.150 millimeters of master control box length, it is wide 100 millimeters, it is thick 50 millimeters, there are 5 buttons, respectively Zero setting, clock, body weight, on turn over, under turn over.

This preferred embodiment mainly with single-chip microcomputer arduino nano control cores, realizes 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 It is most of.1. part of data acquisition is made up of YZC1616 LOAD CELLSs and A/D conversion portions, and A/D conversion portions are mainly by special Realized with type 24 AD conversion chips HX711 of high accuracy；2. human-computer interaction interface is that key-press input and dot lcd show, main Intuitively display data can be facilitated using 5 key boards and Oled liquid crystal displays；3. clock module is carried using single-chip microcomputer Clock module and display screen are constituted, and display shows at ordinary times time, and last time weight data；4 system power supplies are supplied using 5V direct currents Electricity, configuration 220v turns 5v transformers.5. mixed-media network modules mixed-media adopts ESP8266 wireless modules, daily data measured can be uploaded to into net Network, facilitates user to check historical data.Body weight abnormity prompt module is complete together to the process of data and display by single-chip microcomputer Into, when weight data change is too fast, display can show promptings such as " please noting Body weight loss " " please noting that body weight rises ", To remind user's concern health condition.The electronic scale can realize basic function of weighing（Scope of weighing is 0～300Kg）, and Extend the function of clock display and network upload and body weight abnormity prompt.Whole system simple structure, can help user timely Concern health, helps user to keep fit.

Most preferably, data acquisition module is by extensively survey YZC-1616 human body balances LOAD CELLS and HX711 pressure sensors Special A/D converter composition.

Need one group totally 4 sensors connected in half-bridge mode, transfer data to HX711 high-precision pressure sensors 24 A/D converters；Such four half-bridges constitute a full-bridge circuit, public red line in each sensor, as whole complete The power supply of bridge circuit and output line.

As shown in Figure 3, LOAD CELLS constitutes full-bridge circuit by four strain transducers, in Electronic Scales for Human Beings, four Strain transducer is cascaded；In each sensor is duplex piece, be the equal of 2 Strain Meter Sets into half-bridge Circuit, so being 3 lines, wherein single line（Red line）The public outlet of 2 strain gauges, four sensor groups into human body In scale system, the black line concatenation of four sensors, white line concatenation.Such four half-bridges constitute a full-bridge circuit, each sensing Public red line in device, the power supply and output line as whole full-bridge circuit.

The special A/D converter concrete condition of HX711 pressure sensors is：

Two-way may be selected Differential Input, low-noise programmable amplifier in piece, and optional gain is 64 and 128, voltage stabilizing in piece Circuit can direct out A/D converter providing powers in portion's sensor and chip, and on-chip clock oscillator is without the need for any external connector Part, if necessary also can be using external crystal oscillator or clock, automatic power-on reset circuit, simple digital control and serial communication：Institute There is control to be input into by pin, register may be selected the output data rate of 10Hz or 80Hz, synchronous suppression without the need for programming in chip The power supply disturbance of 50Hz processed and 60Hz, power consumption（Containing voltage-stabilized power supply circuit）：Exemplary operation electric current：<1.7mA, power-off electric Stream：<1 μ A, operating voltage range：2.6 ~ 5.5V, operating temperature range：- 20 ~+85 DEG C, the SOP-16 envelopes of 16 pins Dress.

As shown in figure 4, the special A/D converter use state connected mode of HX711 pressure sensors is in the application：

A/D change-over circuits are specifically, including A/D conversion chip HX711, the mu balanced circuit control of A/D conversion chip HX711 Output end processed is connected with the base stage of triode, and the colelctor electrode of triode is connected with the analog power end of A/D conversion chip HX711, Node between the colelctor electrode of triode and the analog power end of A/D conversion chip HX711 is connected ground connection with electric capacity C1, triode Colelctor electrode connect with resistance R1 and resistance R2 successively after be grounded, the node of resistance R1 and resistance R2 and A/D conversion chip HX711 The connection of mu balanced circuit control signal, the emitter stage of triode respectively with the mu balanced circuit power end of A/D conversion chip HX711 With the connection of digital power end, the reference power source output end of A/D conversion chip HX711 connects ground connection with electric capacity C2.The electricity of electric capacity C1 Capacitance is 10uF, and the capacitance of electric capacity C2 is 0.1uF.

Each pin of A/D conversion chips HX711 is described as follows in Fig. 4：Mu balanced circuit power end：VSUP；Mu balanced circuit control Output end processed：BASE；Analog power end：AVDD；Mu balanced circuit control signal：VFB；Simulation ground terminal：AGND；Reference power source is defeated Go out end：VBG；Passage A negative input ends：INA-；Passage A positive input terminals：INA+；Digital power end：DVDD；Output data rate control Input processed：RATE；External clock or crystal oscillator input：XI；Crystal oscillator output end：XO；Serial data output end：DOUT；Power-off With serial ports input end of clock：PD_SCK；Passage B positive input terminals：INB+；Passage B negative input ends：INB-.

Finally it should be noted that：Preferred embodiment of the present utility model is the foregoing is only, this is not limited to Utility model, although being described in detail to the utility model with reference to the foregoing embodiments, for those skilled in the art For, it still can modify to the technical scheme described in foregoing embodiments, or to which part technical characteristic Carry out equivalent.It is all it is of the present utility model spirit and principle within, any modification, equivalent substitution and improvements made etc., Should be included within protection domain of the present utility model.

Claims (7)

1. a kind of bedroom lazyboot scale, it is characterised in that 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 electric connection are to single-chip microcomputer；Data acquisition module Including 4 pressure sensors and A/D change-over circuits, 4 pressure sensors are individually positioned in 4 cuboid boxes, and pressure is passed Sensor is collected and send to after gravimetric data A/D change-over circuits, and analog signal is converted into after data signal and is passed by A/D change-over circuits To single-chip microcomputer；Also including body weight abnormity prompt module, process and analysis of the body weight abnormity prompt module according to single-chip microcomputer to data, When weight data change more than predetermined value when, by display can show change body weight information.

2. bedroom lazyboot scale according to claim 1, it is characterised in that human-computer interaction interface includes key switch and display Device, the key switch and display are respectively electrically connected to single-chip microcomputer.

3. bedroom lazyboot scale according to claim 1, it is characterised in that 4 pressure sensors are connected in half-bridge mode, group Into a full-bridge circuit, public red line in each pressure sensor, the power supply and output line as whole full-bridge circuit.

4. bedroom lazyboot scale according to claim 1, it is characterised in that the single-chip microcomputer, A/D change-over circuits, network mould Block, human-computer interaction interface and power supply are placed in a master control box.

5. bedroom lazyboot scale according to claim 4, it is characterised in that have 5 buttons on main empty packet, respectively put 0th, clock, body weight, on turn over and under turn over.

6. bedroom lazyboot scale according to claim 1, it is characterised in that the A/D change-over circuits, including A/D conversion cores Piece HX711, the mu balanced circuit control output end of the A/D conversion chips HX711 is connected with the base stage of triode, the collection of triode Electrode is connected with the analog power end of A/D conversion chip HX711, the colelctor electrode of triode and the simulation of A/D conversion chip HX711 Node between power end is connected ground connection with electric capacity C1, and the colelctor electrode of triode is connected and be followed by with resistance R1 and resistance R2 successively Ground, the node of resistance R1 and resistance R2 is connected with the mu balanced circuit control signal of A/D conversion chip HX711, triode Emitter-base bandgap grading is connected respectively with the mu balanced circuit power end of A/D conversion chip HX711 and digital power end, A/D conversion chip HX711's Reference power source output end is connected ground connection with electric capacity C2.

7. bedroom lazyboot scale according to claim 6, it is characterised in that the length and width of the cuboid box and it is high respectively For 100 millimeters, 100 millimeters and 26 millimeters.