CN105342580A - Novel intelligent electronic thermometer - Google Patents
Novel intelligent electronic thermometer Download PDFInfo
- Publication number
- CN105342580A CN105342580A CN201510987331.3A CN201510987331A CN105342580A CN 105342580 A CN105342580 A CN 105342580A CN 201510987331 A CN201510987331 A CN 201510987331A CN 105342580 A CN105342580 A CN 105342580A
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- CN
- China
- Prior art keywords
- temperature
- chip microcomputer
- temperature sensor
- clinical thermometer
- lcd module
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/01—Measuring temperature of body parts ; Diagnostic temperature sensing, e.g. for malignant or inflamed tissue
Abstract
A novel intelligent electronic thermometer comprises a hardware part and a software part, wherein the hardware part comprises a temperature sensor, an amplification circuit, an A/D (analog/digital) conversion circuit, a single-chip microcomputer system and a liquid crystal display module; the software part comprises procedures of A/D conversion, digital filtering, intelligent functions, display and the like; the temperature sensor is a sheathed thermocouple; the liquid crystal display module comprises a temperature display module and a voice module; the temperature sensor is connected with the amplification circuit connected with the A/D conversion circuit, and the A/D conversion circuit is connected with the single-chip microcomputer system connected with the liquid crystal display module. With the adoption of the novel intelligent electronic thermometer, operations before and after temperature measurement tend to be more intelligent and more humanized, and the temperature is accurately measured.
Description
Technical field
the present invention relates to a kind of measurement of bldy temperature system, particularly a kind of novel smart electronics clinical thermometer.
Background technology
the history of measurement of bldy temperature, can trace back to l6 century.The beginning of this century, start to make clinical thermometer with hydrargyrum, be widely used clinically so far.At that time except measuring the temperature in oral cavity and oxter, can also measure rectum, cervical region, thigh root, external ear, vaginal temperature and urine temperature, these are all realize by the principle that tested skin temperature is equal with the mercury temperature accumulated in glass bead.Because mercury clinical thermometer is easy to use, precision is high, thus apply very wide.Add temp measuring method and structure maturation all thereof, do not have much rooms for improvement, the research of people to it loses confidence, does not almost have anything to be in progress so far.But very inconvenient owing to carrying out temperature monitoring with mercury clinical thermometer, the pollution of hydrargyrum is also very serious etc., in order to correct measurement local temperature, is developed various different temperature measuring device and temp measuring method.
because temp measuring method does not have much changes so far clinically, in recent years universal electronic clinical thermometer can not obtain again other physiologic informations more, and precision is also without much improves.By contrast, mercury clinical thermometer still proves to be precision temperature measuring device high, cheap, easy to use.Therefore, replacing mercury clinical thermometer with electronic instrument for measuring temperature blindly might not be appropriate, if only note mercury pollution problem, also must be insufficient by the reason that electronic clinical thermometer carrys out alternative mercury clinical thermometer.Even now, existing many hospitals have employed electronic clinical thermometer, also day by day universal with other electronic machine take temperature.This fact at least shows, the performance of electronic temperature measurement instrument is close to the performance of mercurial thermometer.Owing to adopting electronic machine, occurred new temp measuring method, but as things go, the fairly perfect measurement of bldy temperature instrument that can compare favourably with mercury clinical thermometer not yet comes out.Therefore, contrast with the history of mercury clinical thermometer, can say that the measurement of bldy temperature instrument in modern age headed by electronic clinical thermometer also rests in the level in 19th century.Thus, a kind of novel smart electronics clinical thermometer is badly in need of.
Summary of the invention
the object of this invention is to provide a kind of novel smart electronics clinical thermometer, solve the pollution of traditional mercury clinical thermometer hydrargyrum and carry inconvenient easily broken, the shortcoming such as especially Measuring Time is long, it has some superiority than traditional mercury clinical thermometer in stability and response time, and precision also can compare favourably with traditional mercury clinical thermometer.
object of the present invention is achieved through the following technical solutions:
a novel smart electronics clinical thermometer, comprises hardware components, software section, and described hardware components comprises temperature sensor, amplifying circuit, A/D change-over circuit, Single Chip Microcomputer (SCM) system, LCD MODULE; Described software section comprises A/D conversion, digital filtering, intelligent function and display supervisor; Described temperature sensor is armoured thermocouple, and described LCD MODULE is made up of Temperature displaying and voice module.
described temperature sensor connects amplifying circuit, and described amplifying circuit connects A/D change-over circuit, and described A/D change-over circuit connects Single Chip Microcomputer (SCM) system, and described Single Chip Microcomputer (SCM) system connects LCD MODULE, and control temperature display and voice module; Wherein, temperature sensor transmits signals to amplifying circuit after receiving body temperature, the signal carried out after processing and amplifying is converted to digital signal through A/D converter, described digital signal gathers laggard row digital filtering through single-chip microcomputer, linearization process, data store, logical judgment process, finally by by Single-chip Controlling LCD MODULE displays temperature numerical value.
beneficial effect of the present invention: a kind of novel smart electronics clinical thermometer of the present invention, take single-chip microcomputer as core, under software, realize intelligentized measurement of bldy temperature in conjunction with hardware circuits such as A/D converters, its temperature-measuring range meets the scope of body temperature change, this is equally matched with traditional clinical thermometer, this design can make electronic clinical thermometer volume little, lightweight, and cost is low, be easy to carry and promote, environment is not polluted; Precision has some superiority with response time compared with traditional method.
Accompanying drawing explanation
fig. 1 is system principle diagram of the present invention;
fig. 2 is system flow chart of the present invention.
Detailed description of the invention
below in conjunction with accompanying drawing, the present invention is described in further detail.
embodiment 1
as shown in Figure 1, Fig. 1 is system principle diagram of the present invention, a kind of novel smart electronics clinical thermometer of the present invention, comprise hardware components, software section, described hardware components comprises temperature sensor, amplifying circuit, A/D change-over circuit, Single Chip Microcomputer (SCM) system, LCD MODULE; Described software section comprises A/D conversion, digital filtering, intelligent function and display supervisor; Described temperature sensor is armoured thermocouple, and described LCD MODULE is made up of Temperature displaying and voice module.
embodiment 2
as shown in Figure 1, described temperature sensor connects amplifying circuit, and described amplifying circuit connects A/D change-over circuit, and described A/D change-over circuit connects Single Chip Microcomputer (SCM) system, and described Single Chip Microcomputer (SCM) system connects LCD MODULE, and control temperature display and voice module; Wherein, temperature sensor transmits signals to amplifying circuit after receiving body temperature, the signal carried out after processing and amplifying is converted to digital signal through A/D converter, described digital signal gathers laggard row digital filtering through single-chip microcomputer, linearization process, data store, logical judgment process, finally by by Single-chip Controlling LCD MODULE displays temperature numerical value.
embodiment 3
described temperature sensor adopts that precision is high, reliability is high, miniaturization, response is fast, cost is low NTC thermistor, and it has higher precision within the scope of 0 ~ 100 DEG C; What described amplifying circuit adopted is simple, practical instrument amplifying circuit, the symmetrical differential amplifier be made up of three low drifting tailored version amplifiers, improves input impedance, common mode rejection ratio, time of closed loop gain and temperature stability; Described A/D change-over circuit, Serial output monolithic AD574 is adopted in design, it be a kind of low-power consumption, low-voltage, complete l2 position successive approximation, band three state buffer A/D converter, maximum nonlinearity erron is less than 1LSB, conversion time 9 μ S, running voltage is+2.7 ~+5.5V, the realization of AD574 and interface microcontroller has two kinds to select, one is use common port, and utilize program to realize serial input, another kind is then directly use serial line interface; Described single-chip microcomputer, selects 8051 series monolithics, and the interface of single-chip microcomputer and ADC has selected these eight I/O mouths of P0.1 ~ P0.7 and P1.0, has selected these 14 I/O mouths of P1.0 ~ P1.7 and P2.0 ~ P2.5 with the interface of LCD; Described LCD MODULE, the LCD MODULE selected is LM12232, a kind of graphic display control with driver output, its built-in two panels SED1520 lcd drive controller, can directly and 8-bit microprocessor interface, and structure is simple, easy to use; Described speech chip, use by the high-quality monolithic audio record circuit-ISD1420 of American I SD Company, this chip adopts patent---the DAST of American I SD company, voice and audio signal are stored directly, enter eeprom memory with the analog form of its script, direct analog storage allows to use a kind of monolithic solid circuit methods to complete the reproduction of its script voice; Not only voice quality is winning, and the protection of power-off voice.
embodiment 4
as shown in Figure 2, Fig. 2 is system flow chart of the present invention, and software design of the present invention mainly comprises: user interface and system mastery routine, and wherein user interface of the present invention shows the first row on LCD screen: " your body temperature is: "; Second row display: " body temperature and make logical judgment ".Software of the present invention adopts modularization programming, the command statement of mastery routine itself seldom, but it is three zones module: temp sensing function, logical judgment, display and voice broadcast function call command centre; Calling of functional module is all from mastery routine, and all transfers back to mastery routine at the end of calling, and can store 5 temperature-measuring results, judge measured temperature value, show, and can complete the functions such as inquiry, single deletion, removing by button.
Claims (2)
1. a novel smart electronics clinical thermometer, comprises hardware components, software section, it is characterized in that: described hardware components comprises temperature sensor, amplifying circuit, A/D change-over circuit, Single Chip Microcomputer (SCM) system, LCD MODULE; Described software section comprises A/D conversion, digital filtering, intelligent function and display supervisor; Described temperature sensor is armoured thermocouple, and described LCD MODULE is made up of Temperature displaying and voice module.
2. a kind of novel smart electronics clinical thermometer according to claim 1, it is characterized in that: described temperature sensor connects amplifying circuit, described amplifying circuit connects A/D change-over circuit, described A/D change-over circuit connects Single Chip Microcomputer (SCM) system, described Single Chip Microcomputer (SCM) system connects LCD MODULE, and control temperature display and voice module; Wherein, temperature sensor transmits signals to amplifying circuit after receiving body temperature, the signal carried out after processing and amplifying is converted to digital signal through A/D converter, described digital signal gathers laggard row digital filtering through single-chip microcomputer, linearization process, data store, logical judgment process, finally by by Single-chip Controlling LCD MODULE displays temperature numerical value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510987331.3A CN105342580A (en) | 2015-12-27 | 2015-12-27 | Novel intelligent electronic thermometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510987331.3A CN105342580A (en) | 2015-12-27 | 2015-12-27 | Novel intelligent electronic thermometer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105342580A true CN105342580A (en) | 2016-02-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510987331.3A Pending CN105342580A (en) | 2015-12-27 | 2015-12-27 | Novel intelligent electronic thermometer |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4962765A (en) * | 1987-03-12 | 1990-10-16 | Abiomed, Inc. | Diagnostic temperature probe |
| JPH02265527A (en) * | 1989-04-07 | 1990-10-30 | Kanebo Ltd | Skin temperature measurement method and device used therefor |
| CN202204608U (en) * | 2011-08-02 | 2012-04-25 | 哈尔滨医科大学 | Intelligent thermometer with low power consumption voice broadcast |
| CN103519791A (en) * | 2013-10-24 | 2014-01-22 | 江苏美伦影像系统有限公司 | System and method for collecting human body temperature |
| CN103799987A (en) * | 2012-11-11 | 2014-05-21 | 西安思能网络科技有限公司 | Design for novel thermometer with storage function |
| CN105078420A (en) * | 2015-09-21 | 2015-11-25 | 苏州工业职业技术学院 | Electric thermometer |
-
2015
- 2015-12-27 CN CN201510987331.3A patent/CN105342580A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4962765A (en) * | 1987-03-12 | 1990-10-16 | Abiomed, Inc. | Diagnostic temperature probe |
| JPH02265527A (en) * | 1989-04-07 | 1990-10-30 | Kanebo Ltd | Skin temperature measurement method and device used therefor |
| CN202204608U (en) * | 2011-08-02 | 2012-04-25 | 哈尔滨医科大学 | Intelligent thermometer with low power consumption voice broadcast |
| CN103799987A (en) * | 2012-11-11 | 2014-05-21 | 西安思能网络科技有限公司 | Design for novel thermometer with storage function |
| CN103519791A (en) * | 2013-10-24 | 2014-01-22 | 江苏美伦影像系统有限公司 | System and method for collecting human body temperature |
| CN105078420A (en) * | 2015-09-21 | 2015-11-25 | 苏州工业职业技术学院 | Electric thermometer |
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Application publication date: 20160224 |