CN201749314U

CN201749314U - Watch with pulse and body temperature test function

Info

Publication number: CN201749314U
Application number: CN2010201649789U
Authority: CN
Inventors: 徐慧; 张小建; 张敏; 陈静琼
Original assignee: Nanjing Forestry University
Current assignee: Nanjing Forestry University
Priority date: 2010-04-21
Filing date: 2010-04-21
Publication date: 2011-02-16
Anticipated expiration: 2020-04-21

Abstract

The utility model relates to a watch with the pulse and body temperature test function, which is characterized in that the first output end of the smallest system circuit (3) of a singlechip is connected with the input end of an LCD display circuit (2), the second output end of the smallest system circuit of the singlechip is connected with the input end of a music alarm circuit (6), the first input end of the smallest system circuit of the singlechip is connected with the output end of a pulse detection circuit (1), the second input end of the smallest system circuit of the singlechip is connected with the output end of a key circuit (4), and the third input end of the smallest system circuit of the singlechip is connected with the output end of a temperature detection circuit (5). The utility model has the advantages that: the watch integrates multiple functions, has small volume, is convenient to carry, is a device having low price, and is not only suitable for heart disease patients, but also suitable for common people. Whether users are in a static or motion state, the watch can directly test the pulse of the human body, monitors the cardiac work of the human body, tests the body temperature and environment temperature, and has the functions of a perpetual calendar, an electronic clock and an electronic alarm clock.

Description

Has pulse temperature taking function wrist-watch

Technical field

The utility model is a kind of pulse temperature taking function wrist-watch that has, and belongs to medical electronics and daily living article technical field.

Background technology

Along with the raising of living standards of the people, people have proposed a kind of new requirement to health care, pulse and temperature taking clinical the carrying out of being everlasting at present, or some portable testers, these testing tool function singlenesses, inconvenience shortcoming such as carry, cost an arm and a leg.

Summary of the invention

The utility model proposes a kind of pulse temperature taking function wrist-watch that has, its purpose is intended to overcome the above-mentioned defective of existing in prior technology, has energy human body sign parameter, comprise: pulse heart rate, body temperature, double as is the electronic environment thermometer, has functions such as electronic clock, perpetual calendar and electronic alarm clock simultaneously.

Technical solution of the present utility model: the input end that it is characterized in that the first output termination LCD display circuit of single-chip minimum system circuit, the signal input part of the secondary signal output termination music quarter-bell circuit of single-chip minimum system circuit, first signal input part of single-chip minimum system circuit connects the signal output part of pulse detection circuit, the signal output part of the secondary signal input termination key circuit of single-chip minimum system circuit, the signal output part of the 3rd signal input part jointing temp testing circuit of single-chip minimum system circuit.

Advantage of the present utility model: gather multi-function in integral whole, profile is small and exquisite, is easy to carry, and low-cost instrument is not only applicable to the cardiac, is applicable to the general population yet.No matter the user is in static or motion state, and energy is the duty of testing human pulse guarder systemic heart directly, testing human body temperature and environment temperature, and have perpetual calendar, electronic clock and electronic alarm clock function.

Description of drawings

Accompanying drawing 1 is a structural representation of the present utility model.

Accompanying drawing 2 is pulse detection circuit electrical schematic diagrams.

Accompanying drawing 3 is LCD display circuit electrical schematic diagrams.

Accompanying drawing 4 is single-chip minimum system circuit electrical schematic diagrams.

Accompanying drawing 5 is key circuit electrical schematic diagrams.

Accompanying drawing 6 is temperature sensing circuit electrical schematic diagrams.

Accompanying drawing 7 is music quarter-bell circuit electrical schematic diagrams.

Among the figure 1 is pulse detection circuit, the 2nd, LCD display circuit, the 3rd, single-chip minimum system circuit, the 4th, key circuit, the 5th, temperature sensing circuit, the 6th, music quarter-bell circuit.

Embodiment

Contrast accompanying drawing 1, the input end of the first output termination LCD display circuit 2 of single-chip minimum system circuit 3, the input end of the second output termination music quarter-bell circuit 6 of single-chip minimum system circuit 3, the first input end of single-chip minimum system circuit 3 connects the output terminal of pulse detection circuit 1, the output terminal of the second input termination key circuit 4 of single-chip minimum system circuit 3, the output terminal of the 3rd input end jointing temp testing circuit 5 of single-chip minimum system circuit 3.

Contrast accompanying drawing 2, pulse detection circuit 1 its structure is the base stage that the signal output part of pulse transducer (HK-2000) J3 meets triode Q1 (NPN), the collector of triode Q1 is connected with power supply by pull-up resistor, realize the impulse level conversion of sensor output, the collector of triode Q1 connects the pin 1 of first Sheffer stroke gate (model 74F04) simultaneously, be incorporated into the pin 3 of second Sheffer stroke gate (model 74F04) by pin 2 outputs of first Sheffer stroke gate, at last from 4 outputs of the second Sheffer stroke gate pin, realize shaping pulse by the two-stage not gate, the pin P24 that this signal is input to single-chip microcomputer is that the data output end of temperature sensor (DS18S20) U2 is connected with power supply by pull-up resistor, and output signal meets the pin P23 of single-chip microcomputer; Adopt sensor HK-2000 that little vibration of wrist artery is converted into electric signal, by the circuit shaping pulse signal is sent to single-chip microcomputer and detect;

Contrast accompanying drawing 3, LCD display circuit 2 is connected with LCD by single-chip microcomputer, the demonstration of realization time, pulse and body temperature two human parameters; Pin DB0～the DB7 of display lcd is connected with the P0 data port of single-chip microcomputer by pull-up resistor in the display circuit, the V0 pin is connected with power supply, the RS pin is connected with the pin 40 of single-chip microcomputer, the R/W pin is connected with the pin 41 of single-chip microcomputer, the E pin is connected with the pin 42 of single-chip microcomputer, the PSB pin is connected with the pin 43 of single-chip microcomputer, and the RET pin is connected with the pin 44 of single-chip microcomputer;

Contrast accompanying drawing 4, single-chip minimum system circuit 3, singlechip chip STC89C51RC connect power supply and ground, oscillatory circuit and reset circuit, realize the single-chip microcomputer operation;

Contrast accompanying drawing 5, key circuit 4, have three buttons, the S1 key is a function key, the function that realizes clock, pulse instrument, thermometer, electronic alarm clock, perpetual calendar is switched, the S2 key is realized the adjustment of year, month, day in the perpetual calendar function, when electronic alarm clock and clock function, realize when time set and time are adjusted hour adjusting and setting with the function switching S3 key realization time of dividing; The first button S1, one end in the key circuit 4 is connected with earth signal, the other end of the first button S1 is connected with power supply by pull-up resistor R2, be connected with ground by capacitor C 6 simultaneously, realize the function that electric capacity disappears and shakes, the high-low level signal of its generation meets the pin P20 of single-chip microcomputer; The second button S2, one end is connected with earth signal, and the other end is connected with power supply by pull-up resistor R3, is connected with ground by capacitor C 7 simultaneously, realizes the function that electric capacity disappears and shakes, and the high-low level signal of its generation enters the P21 of single-chip microcomputer; The 3rd button S3 one end is connected with earth signal, and the other end is connected with power supply by pull-up resistor R4, is connected with ground by capacitor C 8 simultaneously, realizes the function that electric capacity disappears and shakes, and the high-low level signal of its generation meets the pin P22 of single-chip microcomputer;

Contrast accompanying drawing 6, temperature sensing circuit 5 is to adopt the DS18S20 temperature sensor, and this temperature sensor is a digital transducer, test body surface and environment temperature, DS 18S20 sensor is converted to electric signal with temperature signal and is transferred to single-chip microcomputer, carries out data processing and temperature demonstration by single-chip microcomputer;

Contrast accompanying drawing 7, music quarter-bell circuit 6 are by the writing of program in the single-chip microcomputer, and different music quarter-bells can be set when quarter-bell.The end of music quarter-bell BELL is connected with ground, and the other end meets the pin P17 of single-chip microcomputer by electric capacity;

In the reset circuit of SCM, capacitor C 5 is in parallel with the 4th button S0, and the 4th button S0 one end is connected with power supply, and the 4th button S0 other end is connected with ground by resistance, is connected with the pin 4 of single-chip microcomputer simultaneously, realizes the reset circuit of single-chip microcomputer STC89C51RC chip;

In the power circuit, capacitor C 3 is in parallel with capacitor C 4, and capacitor C 3 is connected with ground with capacitor C 4 one ends, and capacitor C 3 is connected with power supply with capacitor C 4 other ends, the pin of single-chip microcomputer 38 connects, and this circuit provides the single-chip microcomputer working power to play anti-interference effect simultaneously.

Claims

1. has pulse temperature taking function wrist-watch, the input end that it is characterized in that the first output termination LCD display circuit (2) of single-chip minimum system circuit (3), the signal input part of the secondary signal output termination music quarter-bell circuit (6) of single-chip minimum system circuit, first signal input part of single-chip minimum system circuit connects the signal output part of pulse detection circuit (1), the signal output part of the secondary signal input termination key circuit (4) of single-chip minimum system circuit, the signal output part of the 3rd signal input part jointing temp testing circuit (5) of single-chip minimum system circuit.

2. according to claim 1 have a pulse temperature taking function wrist-watch, it is characterized in that the pulse transducer signal output part in the pulse detection circuit (1) connects the base stage of triode (Q1), the collector of triode (Q1) is connected with power supply by pull-up resistor, triode (Q1) collector series connection first Sheffer stroke gate, second Sheffer stroke gate.

3. according to claim 1 have a pulse temperature taking function wrist-watch, it is characterized in that first button (S1) end in the key circuit (4) is connected with earth signal, the other end is connected with power supply by first pull-up resistor (R2), is connected with ground by electric capacity (C6) simultaneously; Second button (S2) end is connected with earth signal, and the other end is connected with power supply by second pull-up resistor (R3), is connected with ground by electric capacity (C7) simultaneously; The 3rd button (S3) end is connected with earth signal, and the other end is connected with power supply by the 3rd pull-up resistor (R4), is connected with ground by electric capacity (C8) simultaneously.