CN103735255A - Non-contact infrared thermometer - Google Patents
Non-contact infrared thermometer Download PDFInfo
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- CN103735255A CN103735255A CN201410006098.1A CN201410006098A CN103735255A CN 103735255 A CN103735255 A CN 103735255A CN 201410006098 A CN201410006098 A CN 201410006098A CN 103735255 A CN103735255 A CN 103735255A
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Abstract
The invention relates to a non-contact infrared thermometer. The non-contact infrared thermometer comprises a DC-DC (direct current-direct current) converter, a power supply management circuit, a temperature sensing circuit, an analog-digital converter, a central processor, a clock circuit interface, a crystal oscillator, an analog signal amplifier, an amplification circuit interface, FLASH memory, an IIC (Inter-Integrated Circuit) communication interface, a keyboard interface, an LCD (Liquid Crystal Display) drive circuit, a backlight control circuit, a buzzer drive circuit, a buzzer module, a keyboard, a backlight lamp and an LCD display screen, wherein the analog signal amplifier is used for receiving an analog electric signal which s output by a photoelectric detector; and the central processor is used for converting the analog electric signal into a corresponding temperature value and performing associative memory of the temperature value and time in the FLASH memory according to the time for generating the temperature value. The non-contact infrared thermometer is capable of performing associative memory of the temperature value and time, so that a user can know change of own body temperature in a period of time and conveniently know own physical condition.
Description
Technical field
The present invention relates to non-contact infrared body temperature meter.
Background technology
Whether normally body temperature is human life activity's basic feature, be also to observe function of human body one of important indicator.In current daily life, people use the widest mercury clinical thermometer, and it is the character of expanding with heat and contract with cold with gradient of temperature according to hydrargyrum etc., by reading scale value, judges temperature value.But the glass that loads hydrargyrum is easily broken, has potential safety hazard.In view of this, occurred in the market a kind of non-contact infrared body temperature meter, it can obtain by photodetector the photosignal of human body, then to processor, changes out temperature value.But this non-contact infrared body temperature meter can not be stored the data of measuring, user cannot observe the body temperature of self in a period of time and change.
Summary of the invention
The object of the invention is to propose a kind of non-contact infrared body temperature meter, it can solve the problem of temperature data storage.
In order to achieve the above object, the technical solution adopted in the present invention is as follows:
A kind of non-contact infrared body temperature meter, it comprises DC-DC transducer, electric power management circuit, temperature sense circuit, analog-digital converter, central processing unit, clock circuit interface, crystal oscillator, analog signal amplifier, amplifying circuit interface, FLASH memorizer, IIC communication interface, keyboard interface, LCD drive circuit, backlight control circuit, buzzer drive circuit, buzzer module, keyboard, backlight and LCD display; Electric power management circuit, analog-digital converter, clock circuit interface, amplifying circuit interface, IIC communication interface, keyboard interface, backlight control circuit and buzzer drive circuit are all electrically connected with central processing unit; DC-DC transducer and electric power management circuit are electrically connected, and the input of temperature sense circuit is connected with DC-DC transducer, and the outfan of temperature sense circuit is connected with analog-digital converter; Crystal oscillator is connected with clock circuit interface; Analog signal amplifier is connected with amplifying circuit interface; FLASH memorizer is connected with IIC communication interface; Keyboard interface is connected with keyboard; LCD drive circuit is connected with LCD display; Backlight control circuit is connected with backlight; Buzzer drive circuit is connected with buzzer module; Analog signal amplifier, for receiving the analog electrical signal of a photodetector output; Central processing unit, for described analog electrical signal is converted to corresponding temperature value, and the time producing according to described temperature value, in FLASH memorizer, temperature value and time are carried out to association store.
Preferably, described photodetector is infrared photoelectric detector.
Preferably, described temperature sense circuit comprises a NTC resistance and a resistance R 3, and one end of NTC resistance is connected with the outfan of DC-DC transducer, and the other end of NTC resistance is connected with analog-digital converter, one end ground connection of resistance R 3, the other end of resistance R 3 is connected with analog-digital converter.
Preferably, described buzzer module comprises a buzzer and a diode D4, the positive terminal of buzzer is connected with the positive pole of diode D4, the negative terminals of buzzer is connected with the negative pole of diode D4, the negative pole of diode D4 is connected with a DC source, and the positive pole of diode D4 is connected with buzzer drive circuit.
The present invention has following beneficial effect:
Temperature value and time can be carried out to association store, user can know that the body temperature in oneself changes a period of time, is convenient to understand the health of oneself.
Accompanying drawing explanation
Fig. 1 is the structural representation of the non-contact infrared body temperature meter of preferred embodiment of the present invention.
The specific embodiment
Below, by reference to the accompanying drawings and the specific embodiment, the present invention is described further.
As shown in Figure 1, a kind of non-contact infrared body temperature meter, it comprises DC-DC transducer, electric power management circuit, temperature sense circuit, analog-digital converter, central processing unit, clock circuit interface, crystal oscillator, analog signal amplifier, amplifying circuit interface, FLASH memorizer, IIC communication interface, keyboard interface, LCD drive circuit, backlight control circuit, buzzer drive circuit, buzzer module, keyboard, backlight and LCD display; Electric power management circuit, analog-digital converter, clock circuit interface, amplifying circuit interface, IIC communication interface, keyboard interface, backlight control circuit and buzzer drive circuit are all electrically connected with central processing unit; DC-DC transducer and electric power management circuit are electrically connected, and the input of temperature sense circuit is connected with DC-DC transducer, and the outfan of temperature sense circuit is connected with analog-digital converter; Crystal oscillator is connected with clock circuit interface; Analog signal amplifier is connected with amplifying circuit interface; FLASH memorizer is connected with IIC communication interface; Keyboard interface is connected with keyboard; LCD drive circuit is connected with LCD display; Backlight control circuit is connected with backlight; Buzzer drive circuit is connected with buzzer module; Analog signal amplifier, for receiving the analog electrical signal of a photodetector output; Central processing unit, for described analog electrical signal is converted to corresponding temperature value, and the time producing according to described temperature value, in FLASH memorizer, temperature value and time are carried out to association store.
The photodetector of the present embodiment is infrared photoelectric detector.
The temperature sense circuit of the present embodiment comprises a NTC resistance and a resistance R 3, one end of NTC resistance is connected with the outfan of DC-DC transducer, the other end of NTC resistance is connected with analog-digital converter, one end ground connection of resistance R 3, and the other end of resistance R 3 is connected with analog-digital converter.
The buzzer module of the present embodiment comprises a buzzer and a diode D4, the positive terminal of buzzer is connected with the positive pole of diode D4, the negative terminals of buzzer is connected with the negative pole of diode D4, the negative pole of diode D4 is connected with a DC source, and the positive pole of diode D4 is connected with buzzer drive circuit.
During use, photodetector is aimed to the measuring point of human body, pressed the SW0 key of lower keyboard, by the opto-electronic conversion of photodetector, obtain the signal of telecommunication, then central processing unit just can carry out computing according to the signal of telecommunication, obtains corresponding temperature value.If this temperature value, higher than preset value, drives buzzer work.In addition,, by FLASH memorizer, can carry out associated with corresponding generation time to temperature value, by pressing the SW1 key of lower keyboard, can on LCD display, see historical temperature data, facilitate user to understand the body temperature situation of self, for example, give to become pregnant etc. and do adequate preparation.
For a person skilled in the art, can be according to technical scheme described above and design, make other various corresponding changes and distortion, and these all changes and distortion all should belong to the protection domain of the claims in the present invention within.
Claims (4)
1. a non-contact infrared body temperature meter, it is characterized in that, comprise DC-DC transducer, electric power management circuit, temperature sense circuit, analog-digital converter, central processing unit, clock circuit interface, crystal oscillator, analog signal amplifier, amplifying circuit interface, FLASH memorizer, IIC communication interface, keyboard interface, LCD drive circuit, backlight control circuit, buzzer drive circuit, buzzer module, keyboard, backlight and LCD display; Electric power management circuit, analog-digital converter, clock circuit interface, amplifying circuit interface, IIC communication interface, keyboard interface, backlight control circuit and buzzer drive circuit are all electrically connected with central processing unit; DC-DC transducer and electric power management circuit are electrically connected, and the input of temperature sense circuit is connected with DC-DC transducer, and the outfan of temperature sense circuit is connected with analog-digital converter; Crystal oscillator is connected with clock circuit interface; Analog signal amplifier is connected with amplifying circuit interface; FLASH memorizer is connected with IIC communication interface; Keyboard interface is connected with keyboard; LCD drive circuit is connected with LCD display; Backlight control circuit is connected with backlight; Buzzer drive circuit is connected with buzzer module; Analog signal amplifier, for receiving the analog electrical signal of a photodetector output; Central processing unit, for described analog electrical signal is converted to corresponding temperature value, and the time producing according to described temperature value, in FLASH memorizer, temperature value and time are carried out to association store.
2. non-contact infrared body temperature meter as claimed in claim 1, is characterized in that, described photodetector is infrared photoelectric detector.
3. non-contact infrared body temperature meter as claimed in claim 1, it is characterized in that, described temperature sense circuit comprises a NTC resistance and a resistance R 3, one end of NTC resistance is connected with the outfan of DC-DC transducer, the other end of NTC resistance is connected with analog-digital converter, one end ground connection of resistance R 3, the other end of resistance R 3 is connected with analog-digital converter.
4. non-contact infrared body temperature meter as claimed in claim 1, it is characterized in that, described buzzer module comprises a buzzer and a diode D4, the positive terminal of buzzer is connected with the positive pole of diode D4, the negative terminals of buzzer is connected with the negative pole of diode D4, the negative pole of diode D4 is connected with a DC source, and the positive pole of diode D4 is connected with buzzer drive circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410006098.1A CN103735255B (en) | 2014-01-06 | 2014-01-06 | A kind of non-contact infrared body temperature meter |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410006098.1A CN103735255B (en) | 2014-01-06 | 2014-01-06 | A kind of non-contact infrared body temperature meter |
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| CN103735255A true CN103735255A (en) | 2014-04-23 |
| CN103735255B CN103735255B (en) | 2016-01-06 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104000560A (en) * | 2014-05-26 | 2014-08-27 | 广东工业大学 | Control circuit of electronic thermometer for rapidly measuring human body temperature |
| CN104460363A (en) * | 2014-10-13 | 2015-03-25 | 天津三星电子有限公司 | Automatic shut-down method for display device and display device adopting method |
| CN112113665A (en) * | 2020-08-13 | 2020-12-22 | Oppo（重庆）智能科技有限公司 | Temperature measuring method, device, storage medium and terminal |
| RU205774U1 (en) * | 2020-12-24 | 2021-08-11 | Общество с ограниченной ответственностью «МедПоинт24-Лаб» | INFRARED NON-CONTACT THERMOMETER |
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| CN1168090A (en) * | 1995-11-13 | 1997-12-17 | 西铁城钟表股份有限公司 | Clinical radiation thermometer |
| JPH10290790A (en) * | 1997-04-18 | 1998-11-04 | Matsushita Electric Ind Co Ltd | Radiation thermometer |
| CN201237530Y (en) * | 2008-08-11 | 2009-05-13 | 北方工业大学 | Temperature measuring gun |
| CN201352153Y (en) * | 2008-09-03 | 2009-11-25 | 袁剑敏 | Non-contact infrared thermometer for human body and object surface |
| CN202027570U (en) * | 2011-03-30 | 2011-11-09 | 滨州学院 | Non-contact remote automatic body temperature measuring instrument |
| CN203089095U (en) * | 2013-03-05 | 2013-07-31 | 江苏奥普莱医疗用品有限公司 | Non-contact type clinical thermometer |
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2014
- 2014-01-06 CN CN201410006098.1A patent/CN103735255B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1168090A (en) * | 1995-11-13 | 1997-12-17 | 西铁城钟表股份有限公司 | Clinical radiation thermometer |
| JPH10290790A (en) * | 1997-04-18 | 1998-11-04 | Matsushita Electric Ind Co Ltd | Radiation thermometer |
| CN201237530Y (en) * | 2008-08-11 | 2009-05-13 | 北方工业大学 | Temperature measuring gun |
| CN201352153Y (en) * | 2008-09-03 | 2009-11-25 | 袁剑敏 | Non-contact infrared thermometer for human body and object surface |
| CN202027570U (en) * | 2011-03-30 | 2011-11-09 | 滨州学院 | Non-contact remote automatic body temperature measuring instrument |
| CN203089095U (en) * | 2013-03-05 | 2013-07-31 | 江苏奥普莱医疗用品有限公司 | Non-contact type clinical thermometer |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104000560A (en) * | 2014-05-26 | 2014-08-27 | 广东工业大学 | Control circuit of electronic thermometer for rapidly measuring human body temperature |
| CN104460363A (en) * | 2014-10-13 | 2015-03-25 | 天津三星电子有限公司 | Automatic shut-down method for display device and display device adopting method |
| CN104460363B (en) * | 2014-10-13 | 2017-06-06 | 天津三星电子有限公司 | The automatic shutdown method of display device and the display device using the method |
| CN112113665A (en) * | 2020-08-13 | 2020-12-22 | Oppo（重庆）智能科技有限公司 | Temperature measuring method, device, storage medium and terminal |
| RU205774U1 (en) * | 2020-12-24 | 2021-08-11 | Общество с ограниченной ответственностью «МедПоинт24-Лаб» | INFRARED NON-CONTACT THERMOMETER |
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| Publication number | Publication date |
|---|---|
| CN103735255B (en) | 2016-01-06 |
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