CN208837953U - A kind of intelligent constitution measuring system of school - Google Patents

Abstract

The utility model relates to a kind of intelligent constitution measuring systems of school.Including main control chip and the liquid crystal display circuit being connect with the main control chip, key circuit, data acquisition module, for realizing the WIFI module communicated with the network platform, the data acquisition module is also respectively with the Temperature Humidity Sensor measured for realizing ambient temperature and humidity, for realizing increasing the ultrasonic sensor of measurement, connect for realizing the pressure sensor of lung capacity measurement and for realizing the resistance-strain chip scale of measured body weight；It further include one for the power module for whole system power supply.The utility model circuit is simply easily achieved, and can be realized the measurement of human body parameters, realizes the digitlization of physique constitution of students test.

Description

A kind of intelligent constitution measuring system of school

Technical field

The utility model relates to measuring instrument fields, the in particular to the field of test technology of human body comprehensive constitution, specially A kind of intelligent constitution measuring system of school.

Background technique

The development of science and technology is being the convenience that people bring the older generation in more last epoch that can not imagine: mobile phone and computer Function is gradually improved and the reinforcement also growth such as blowout, reinforcing, Lan Renhua with technology；But and one sharp twolip Sword: the constitution data of university student increasingly can not be ignored in recent years, student would rather hide in dormitory online sleep also be unwilling under Building goes to take exercises.Therefore country has put into effect relevant policies " national student physical health standard " in 2014.It is mentioned that: student Body is surveyed achievement and is met or exceeded well, mays be eligible to participate in appraising and choosing excellent and deciding on awards through discussion.The intension of " national student physical health standard " is Measure physique constitution of students health status and exercise effect evaluation criterion, be country to different age group physical health of students in terms of Basic demand is the individual evaluation standard of physical health of students.Just because of having such overall situation, under national attention, The program simplification of physique test, data processing can be planned by just needing, the Intelligence of Students physiometry system of online access Occur.

Summary of the invention

The purpose of this utility model is to provide a kind of intelligent constitution measuring system of school, which is simply easy to It realizes, can be realized the measurement of human body parameters, realize the digitlization of physique constitution of students test.

To achieve the above object, the technical solution of the utility model is: a kind of intelligent constitution measuring system of school, including Main control chip and the liquid crystal display circuit being connect with the main control chip, key circuit, data acquisition module, for realizing with network The WIFI module of Platform communication, the data acquisition module also respectively with the temperature and humidity sensing that is measured for realizing ambient temperature and humidity Device, for realizing increase measurement ultrasonic sensor, for realizing lung capacity measurement pressure sensor and for realizing body The resistance-strain chip scale of remeasurement connects；It further include one for the power module for whole system power supply.

In an embodiment of the utility model, it is LCD12864 liquid crystal display that the liquid crystal display circuit, which uses,.

In an embodiment of the utility model, the main control chip uses STC12C5A60S2.

In an embodiment of the utility model, the data acquisition module uses HX711.

In an embodiment of the utility model, the ultrasonic sensor uses HC-SR04.

In an embodiment of the utility model, the WIFI module uses ESP8266.

In an embodiment of the utility model, the Temperature Humidity Sensor uses DHT11.

In an embodiment of the utility model, the pressure sensor uses XGZP6847.

It compared to the prior art, can the utility model has the following beneficial effects: the utility model is simply easily achieved The measurement for realizing human body parameters realizes the digitlization of physique constitution of students test.

Detailed description of the invention

Fig. 1 is a kind of overall system design module of school's multifunctional intellectual physiometry system described in the utility model Figure.

Fig. 2 is a kind of single-chip microcontroller electrical schematic diagram of school's multifunctional intellectual physiometry system described in the utility model.

Fig. 3 is a kind of pressure sensor circuit of school's multifunctional intellectual physiometry system described in the utility model Figure.

Fig. 4 is a kind of electric principle of the display module of school's multifunctional intellectual physiometry system described in the utility model Figure.

Fig. 5 is a kind of key electrical schematic diagram of school's multifunctional intellectual physiometry system described in the utility model.

Fig. 6 is a kind of wireless transport module principle of school's multifunctional intellectual physiometry system described in the utility model Figure.

Fig. 7 is that a kind of ultrasonic sensor electricity of school's multifunctional intellectual physiometry system described in the utility model is former Reason figure.

Fig. 8 is that a kind of HX711 converter electricity of school's multifunctional intellectual physiometry system described in the utility model is former Reason figure.

Specific embodiment

With reference to the accompanying drawing, the technical solution of the utility model is specifically described.

As shown in Figure 1, a kind of school multifunctional intellectual physiometry system, including liquid crystal display, key circuit, ultrasound Wave module, pressure sensor, Temperature Humidity Sensor, main control chip, resistance strain gage, WIFI module and website platform.This is practical It is novel that control is used as using single-chip microcontroller, modules are called, the data such as height, weight, lung capacity are surveyed in realization Amount.Using the aerial transmission rate of ultrasonic wave and count propagation time calculating height distance.It is built using resistance strain gage Full-bridge circuit reflect the weight of human body, recycle converter to obtain digital quantity and be transmitted to single-chip microcontroller.Using pressure sensing Device carries out data acquisition to gas flow pressure, then data progress Software Integration can be measured to the flow of human exhaled breath, warp Calibration is crossed to calculate human body vital capacity determination.The collected data of institute are uploaded to according to student's number finally by WIFI module Website.The registration of user may be implemented on website, log in, the storage of data and the relevant historical once measured record.

As shown in Fig. 2, being single-chip microcontroller electrical schematic diagram.The pin of the module is connected with the input pin of single-chip microcontroller respectively. Main control chip uses STC12C5A60S2 single-chip microcontroller.STC12C5A60S2 single-chip microcontroller is high speed, low-power consumption, superpower jamproof new 8051 single-chip microcontroller of a generation, instruction code completely compatible 8051, but fast 8-12 times of speed is internally integrated 2 road PWM, 8 road 10-bit high speeds A/D conversion.STC12C5A60S2 single-chip microcontroller almost contains all unit modules needed for data acquisition and control, can claim A upper system on chip.

As shown in figure 3, being pressure sensor circuit figure.The module uses XGZP6847 type gas pressure transmitter, envelope Dress form is DIP.Pressure sensor is integrated with digital conditioning chip and signal processor chip as sensing element, to sensor Offset, sensitivity, temperature drift and non-linear carry out digital compensation.Supply voltage is 5V, data-out port and single-chip microcontroller P1.0 Mouthful it is connected, A/D module built in single-chip microcontroller is converted into digital quantity to the analog quantity that pressure sensor transmits, then data is carried out soft Part integral, measures lung capacity.

As shown in figure 4, being the electrical schematic diagram of display module.The display module uses liquid crystal LCD12864.LCD12864 7th to 14 pin of module is data transmission port, it is connected with the P0 of single-chip microcontroller mouth, carries out parallel data transmission.Band The every screen of LCD12864 module of character library can show that 4 rows 8 arrange the Chinese character of totally 32 16 × 16 dot matrix, and each display random access memory can show 1 32 Chinese characters or 64 ASCII at most can be achieved in Chinese character or 2 16 × 8 dot matrix overall height ASCII character characters, i.e., every screen The display of code character.Character, which is shown, to be realized by the way that the character display random access memory is written in character code displaying.Character display random access memory Address 80H~9FH in Liquid Crystal Module.There are one-to-one correspondence in the address for the RAM that character is shown and 32 character display areas Relationship.

As shown in figure 5, being key electrical schematic diagram.Key circuit contains independent key and matrix press-key, with single-chip microcontroller The connection of the port P2.The pin being connected when key is not pressed with key is high level, the pin level when pressing key pressing It is identical as power ground, it is in level.Level change by detecting key judges the state of key, to realize by pressing key control Data resurvey, skip test, the functions such as data validation.

As shown in fig. 6, being wireless transport module schematic diagram.The wireless transport module uses ESP8266.It is wirelessly transferred mould The power supply of block is 3.3V.By the serial ports pin of the RX pin and TX pin of wireless transport module and the P3.1 and P3.0 of single-chip microcontroller It is connected, is carried out data transmission using the serial ports and ESP8266 of single-chip microcontroller；An address post is first sent, the number of esp8266 is waited According to feedback；It again will be in its data transmission to the website of intelligent constitution measuring system.

As shown in fig. 7, being ultrasonic sensor electrical schematic diagram.The ultrasonic sensor is using model HC-SR04's Sensor.HC-SR04 ultrasonic distance measuring module can provide the contactless distance sensing function of 2cm-400cm, and range accuracy can 3mm is arrived up to height；The high level square wave of an a length of 20us is inputted to pulse-triggered pin (trig) by single-chip microcontroller.Input square wave Afterwards, module can emit the sound wave of 8 40KHz automatically, and the level at echo pin (echo) end can become 1 from 0 at the same time, simultaneously Start timer timing, when ultrasonic wave return is received by module, the level of echo leads ends can become 0 from 1, then stop determining When device count, this time that timer is write down is ultrasonic wave by being emitted to the total duration of return.

As shown in figure 8, being HX711 converter electrical schematic diagram.HX711 is a 24 for aiming at high-precision electronic scale and designing Position A/D converter chip.Compared with the other chips of same type, which includes regulated power supply, on-chip clock oscillator Etc. peripheral circuit required for other similar cake cores, have many advantages, such as integrated level height, fast response time, strong interference immunity.Drop The low complete machine cost of electronic scale, improves the Performance And Reliability of complete machine.

The above is only the preferred embodiment of the present invention, but and non-limiting the utility model, for being familiar with ability The technical staff in domain can be to technical solution documented by embodiment above-mentioned without departing from the protection scope of the utility model It modifies, equivalent replacement, improvement.

It is the preferred embodiment of the utility model above, it is all to change according to made by technical solutions of the utility model, it is produced Function without departing from technical solutions of the utility model range when, belong to the protection scope of the utility model.

Claims (8)

1. a kind of intelligent constitution measuring system of school, which is characterized in that connect including main control chip and with the main control chip Liquid crystal display circuit, key circuit, data acquisition module, for realizing the WIFI module communicated with the network platform, the data Acquisition module is also respectively with the Temperature Humidity Sensor measured for realizing ambient temperature and humidity, for realizing the ultrasonic wave for increasing measurement Sensor, the pressure sensor for realizing lung capacity measurement and the resistance-strain chip scale for realizing measured body weight connect It connects；It further include one for the power module for whole system power supply.

2. a kind of intelligent constitution measuring system of school according to claim 1, which is characterized in that the liquid crystal display electricity It is LCD12864 liquid crystal display that road, which uses,.

3. a kind of intelligent constitution measuring system of school according to claim 1, which is characterized in that the main control chip is adopted Use STC12C5A60S2.

4. a kind of intelligent constitution measuring system of school according to claim 1, which is characterized in that the data acquisition module Block uses HX711.

5. a kind of intelligent constitution measuring system of school according to claim 1, which is characterized in that the supersonic sensing Device uses HC-SR04.

6. a kind of intelligent constitution measuring system of school according to claim 1, which is characterized in that the WIFI module is adopted Use ESP8266.

7. a kind of intelligent constitution measuring system of school according to claim 1, which is characterized in that the temperature and humidity sensing Device uses DHT11.

8. a kind of intelligent constitution measuring system of school according to claim 1, which is characterized in that the pressure sensor Using XGZP6807.