CN204744120U - Formula measurement of bldy temperature appearance is worn to hand based on bluetooth - Google Patents

Abstract

The utility model relates to the field of rapid body temperature measurement, in particular to a bluetooth-based hand-worn body temperature measuring instrument, which has a body temperature measuring instrument body. The body temperature measuring instrument body consists of a dial and a watch strap. The back of the dial is equipped with a sensor that is in contact with the human skin. The dial is equipped with a battery, a voltage stabilizing module, a single-chip microcomputer and a Bluetooth module. The battery provides a stable working voltage for the sensor, single-chip microcomputer and Bluetooth module through the voltage stabilizing module. To collect the temperature of the human body surface, the single-chip microcomputer is used to receive and process the temperature data collected by the sensor, and send the processed temperature signal to the Bluetooth module, and the Bluetooth module sends the temperature signal to an external device for displaying the body temperature; this practical The new type is simple to operate and convenient to test, and realizes the continuous measurement of human body temperature anytime and anywhere, especially suitable for the temperature measurement of patients with limited mobility in medical and nursing places.

Description

A hand-worn body temperature measuring instrument based on bluetooth

technical field

The utility model relates to the field of rapid body temperature measurement, in particular to a bluetooth-based hand-worn body temperature measuring instrument.

Background technique

As we all know, body temperature, pulse, respiration, and blood pressure are the four basic characteristics of human life, and the monitoring of body temperature changes is the easiest way to judge whether our human body is healthy. However, in the traditional body temperature measurement, most of the instruments used are mercury thermometers, which have many disadvantages, such as being easily broken and mercury pollution; the measurement time is long, the reading is inconvenient, and it is not convenient for acutely ill patients, the elderly, infants and young children; In particular, continuous monitoring of body temperature cannot be achieved. In some medical situations, it will consume a lot of resources to continuously monitor human body temperature manually, and at the same time, the measurement results cannot be reflected in real time.

Contents of the invention

The purpose of this utility model is to solve the problems that the current mercury thermometers are fragile, take a long time to measure, and the reading is inconvenient, especially the problems that the continuous monitoring of human body temperature cannot be realized. Therefore, a hand-worn body temperature measuring instrument based on Bluetooth is provided.

The specific solution of the present utility model is: a hand-worn body temperature measuring instrument based on bluetooth, which is characterized in that: it has a body temperature measuring instrument body, and the body temperature measuring instrument body consists of a dial and watch straps installed on both sides of the dial to form a watch structure. There is a clasp on the strap, and a sensor in contact with the human skin is installed on the back of the dial, and a battery, a voltage stabilizing module, a single-chip microcomputer and a Bluetooth module are installed in the dial, wherein the battery is connected to the sensor, the single-chip microcomputer and the Bluetooth module through the voltage stabilizing module. The Bluetooth module provides a stable working voltage, the sensor is used to collect the temperature of the human body surface, the single-chip microcomputer is used to receive and process the temperature data collected by the sensor, and send the processed temperature signal to the Bluetooth module, and the Bluetooth module sends the temperature signal to the outside A device for displaying body temperature.

The dial described in the utility model is square, and a charging port is arranged on the side of the dial.

The sensor described in the utility model selects the DS18B20 digital thermometer produced by DALLAS Company; the single-chip microcomputer selects the STC89C52 single-chip microcomputer produced by Hongjing Technology Co., Ltd; Module; the voltage regulator module uses AMS1117 series voltage regulator chips to provide 3.5V working voltage for sensors, microcontrollers and Bluetooth modules.

In this utility model, in order to achieve more accurate measurement in temperature collection, multiple sensors (DS18B20 digital thermometers) can also be connected in parallel on the only single line, and multiple sensors can communicate on one line through the query method of the unique ID number of the sensor. The method is: first remove the ID number of each sensor (DS18B20 digital thermometer), and write it into the storage space; then, after detecting the existence of the sensor on the initialization line, send a matching command to verify the identity, and if the identity matches, it will be The data is sent to the corresponding storage variable, so as to complete the measurement of the 1-line multi-channel sensor.

In the utility model, the equipment for displaying body temperature can directly select a mobile phone, and a specially developed mobile phone APP software is installed in the mobile phone. The tester directly wears the utility model on the wrist when measuring the temperature of the human body. The utility model collects the temperature of the body surface through the sensor on the back of the dial. The temperature data collected by the single-chip microcomputer is processed and sent to the Bluetooth module. The human body temperature signal is sent to the Bluetooth of the mobile phone, and finally displayed through the mobile APP software.

Compared with the traditional mercury thermometer, the utility model has the following advantages:

(1) The utility model is simple to operate and convenient to test, and overcomes the defects of traditional mercury thermometers that are easily broken, takes a long time to measure, is inconvenient to read, and cannot be used for continuous measurement. Measure body temperature;

(2) The utility model is suitable for medical and nursing places. A mobile phone or other body temperature display equipment can detect the body temperature of multiple patients using the utility model at the same time, thereby not only greatly improving the temperature detection efficiency, but also enabling nurses to avoid busy testing work. liberated from

(3) The utility model collects the body temperature of the human body through the sensor, and transmits the temperature data to the mobile phone through Bluetooth, so as to achieve real-time reading of the human body temperature, has the characteristics of high reliability and fast transmission efficiency, and will not cause harm to the human body Radiation, good safety, optimistic prospects for promotion.

Description of drawings

Fig. 1 is the top view of the utility model;

Fig. 2 is the bottom view of the utility model;

Fig. 3 is a control structure block diagram of the utility model;

Fig. 4 is the electrical schematic diagram of the utility model.

In the figure: 1—dial, 2—strap, 3—clasp, 4—sensor, 5—battery, 6—voltage regulator module, 7—single chip microcomputer, 8—Bluetooth module, 9—charging port.

Detailed ways

Referring to Figures 1-3, the utility model has a body temperature measuring instrument body, the body temperature measuring instrument body consists of a dial 1 and a watch strap 2 installed on both sides of the dial 1 to form a watch structure, the strap 2 is equipped with a buckle 3, and the dial 1 The back of the body is equipped with a sensor 4 in contact with the human skin, and a battery 5, a voltage stabilizing module 6, a single-chip microcomputer 7 and a Bluetooth module 8 are installed in the dial 1, wherein the battery 5 is respectively connected to the sensor 4 and the single-chip microcomputer 7 through the voltage stabilizing module 6. And bluetooth module 8 provides stable operating voltage, and sensor 4 is used for collecting the temperature of human body surface, and single-chip microcomputer 7 is used for receiving and processing the temperature data that sensor 4 gathers, and the temperature signal after processing is sent to bluetooth module 8, and bluetooth module 8. Send the temperature signal to an external device for displaying body temperature, wherein the device is a mobile phone, and a mobile APP software for displaying temperature data is installed in the mobile phone.

In this embodiment, the dial 1 is square, and a charging port 9 is provided on the side of the dial 1 .

Referring to Fig. 4, the voltage stabilizing module 6 described in the present embodiment selects the voltage stabilizing chip of AMS1117 series to be used for providing 3.5V working voltage for sensor 4, single-chip microcomputer 7 and bluetooth module 8;

The sensor 4 selects the DS18B20 digital thermometer produced by DALLAS Company, and the single-chip microcomputer 7 selects the STC89C52 single-chip microcomputer produced by Hongjing Technology Co., Ltd., wherein the DQ interface of the sensor 4 is connected with the P2.3 pin of the single-chip microcomputer 7, and is used to collect the collected The human body temperature is sent to the single-chip microcomputer 7, and the single-chip microcomputer 7 sends the temperature data to the bluetooth module 8 after processing;

The bluetooth module 8 adopts the RF-BM-S02 version bluetooth module of low power consumption produced by Shenzhen Xinchida Technology Co., Ltd., and the bluetooth module 8 has 6 pins, which are VCC (voltage pin), GND (ground pin) ), TX (module data sending end), RX (module data receiving end), BRTS (as data sending request) and BCTS (data input signal). In the study, the two pins TX and RX of the Bluetooth module 8 are connected to the two pins TXD and RXD of the single-chip microcomputer 7 respectively. When the pin BRTS of the Bluetooth module 8 is placed at a low level, the host (mobile phone) has data to send, and the Bluetooth module 8 will receive data from the host; when its pin BRTS is placed at a high level, the host has no data to send and does not receive Data, so the pin BRTS of the Bluetooth module 8 is placed at a high level, because there is no need to receive data from the host. The function of the pin BCTS of the Bluetooth module 8 is opposite to that of the pin BRTS. When the pin BCTS is placed at a low level, the Bluetooth module 8 has data sent to the host; when the pin BCTS is placed at a high level, the Bluetooth module 8 has no data. sent to the host, so the pin BCTS of the Bluetooth module 8 is placed at a low level. Moreover, the transparent transmission function of the Bluetooth module 8 is used in the circuit, so that when data is sent from the serial port of the single-chip microcomputer 7, the Bluetooth module 8 will send the data at the first time. In terms of data reception, by writing a simple mobile APP, after opening the mobile APP, click Search to search for the set Bluetooth name, and then click Connect to connect to the Bluetooth module 8 to complete the data transmission, and finally in the serial port of the mobile APP. The data channel layout shows the received values.

The specific working process of the utility model is as follows: first let the single-chip microcomputer 7 give instructions to the sensor (DS18B20 digital thermometer) 4 to initialize the sensor 4, and the temperature measurement starts at this time; then give the single-chip microcomputer 7 a time delay, so that the sensor 4 has enough time to Collect the temperature data of the human body, otherwise there may be errors in the temperature data; then the single-chip microcomputer 7 processes the temperature data into characters one by one, stores them in an array, and then sends each array element to the serial port of the single-chip microcomputer 7 in turn; the Bluetooth module 8 After a period of delay, the data is sent to the mobile phone for the tester to read the temperature data. Since the transparent transmission function of the Bluetooth module 8 is used in the circuit, when data is sent from the serial port of the microcontroller 7, the Bluetooth module 8 will The data will be sent out as soon as possible to complete the data transmission.

Claims (3)

1. A hand-worn body temperature measuring instrument based on bluetooth, which is characterized in that: it has a body temperature measuring instrument body, and the body temperature measuring instrument body consists of a dial and straps installed on both sides of the dial to form a watch structure, and a buckle is arranged on the strap , a sensor in contact with human skin is installed on the back of the dial, and a battery, a voltage stabilizing module, a single-chip microcomputer and a Bluetooth module are installed in the dial, and the battery provides stable work for the sensor, the single-chip microcomputer and the Bluetooth module through the voltage stabilizing module Voltage, the sensor is used to collect the temperature of the human body surface, the single-chip microcomputer is used to receive and process the temperature data collected by the sensor, and send the processed temperature signal to the Bluetooth module, and the Bluetooth module sends the temperature signal to the outside for displaying the human body temperature. equipment. 2. A hand-worn body temperature measuring instrument based on Bluetooth according to claim 1, characterized in that: the dial is square, and a charging port is provided on the side of the dial. 3. A kind of hand-worn body temperature measuring instrument based on bluetooth according to claim 1, is characterized in that: described sensor selects the DS18B20 digital thermometer that DALLAS company produces for use, and single-chip microcomputer selects the STC89C52 single-chip microcomputer that Hongjing Technology Co., Ltd. produces for use, bluetooth The module adopts the RF-BM-S02 low-power Bluetooth module produced by Shenzhen Xinchida Technology Co., Ltd., and the voltage regulator module uses the AMS1117 series voltage regulator chip to provide 3.5V working voltage for the sensor, single-chip microcomputer and Bluetooth module.