CN1470854A - Reflective non-contact infrared body-temperature detector - Google Patents
Reflective non-contact infrared body-temperature detector Download PDFInfo
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- CN1470854A CN1470854A CNA031143644A CN03114364A CN1470854A CN 1470854 A CN1470854 A CN 1470854A CN A031143644 A CNA031143644 A CN A031143644A CN 03114364 A CN03114364 A CN 03114364A CN 1470854 A CN1470854 A CN 1470854A
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Abstract
The detector comprises the infrared probe and the control circuit. The infrared receiving sensor with field stop is located at the focal point of the parabolic reflector. The aperture stop through a bracket is connected to the infrared receiving sensor. The control circuit comprises the prepositive processing circuit, the temperature conversion set, the communication interface, the buzzer, the alarm lamp, the keyboard and the display. The said control circuit is connected to microprocessor. Infrared radiation emitted from skin of person to be measured at certain distance is received by the infrared receiving sensor and focused by the parabolic reflector. Then the received infrared signal through circuits and microprocessor is changed into the signal of temperature. The invention provides accuracy of measuring temperature remotely and quickly without need of contacting skin directly. Audible and visual alarm will hint abnormal temperature.
Description
Technology neck city
The utility model belongs to technical field of measurement and test, further relates to a kind of instrument that is used for the body temperature quick detection.
Background technology
Temperature monitor mainly is mercury clinical thermometer, electronic thermometer and infrared ear temperature meter at present, and they all are to detect by the mode that contacts with human body.It is very unhygienic and unsafe that this contact detects, and when the patient suffers from communicate illness, is easy to cause cross infection when special.Although can adopt disposable thermometer to overcome this problem, can cause the great wasting of resources like this, and increase patient's expense.Adopt the contact mercury clinical thermometer also to have a problem that is difficult to overcome, be exactly detection time longer, generally need more than 5 minutes.When needs carried out the quick temperature check of crowd, present existing detection method and instrument all were difficult to satisfy such requirement, needed a kind of safe, quick, noncontact, detection mode and instrument accurately.
Summary of the invention
Purpose of the present invention is exactly in order to overcome the above problems, and provides a kind of reflective noncontact infrared body temperature detector, is applied to a large amount of crowds are carried out the detection of quick body temperature.
For achieving the above object, the present invention proposes the infrared body temperature detector of a kind of reflective noncontact, comprise infrared probe and control circuit, the feature of infrared probe is: the infrared receiving sensor that has the form diaphragm is positioned on the focus of parabolic mirror, aperture diaphragm one end and parabolic mirror link, the other end and optical filtering link, and connect infrared receiving sensor by support, comprise signal preposing signal process circuit, temperature conversion device, communication interface, hummer, alarm lamp, keyboard, display etc. in the control circuit, be connected with microprocessor respectively.
Owing to adopted above scheme, the present invention utilizes infrared radiation that infrared receiving sensor reception is sent from the measured's skin beyond the certain distance and by focusing on through parabolic mirror reflects again behind the aperture diaphragm elimination veiling glare, and be converted to temperature signal by signal preposing signal process circuit, microprocessor, temperature conversion device etc. and measure temperature, avoided direct accuracy and the measuring accuracy that contacts and guarantee practical field of view with human body skin.Be suitable for quick take temperature, and by sound and light alarm prompting temperature anomaly.
Description of drawings Fig. 1 is the infrared body temperature detector system of a reflective noncontact structural representation.Fig. 2 is the infrared body temperature detector probe of a reflective noncontact structural representation.Fig. 3 is the infrared body temperature detector of a reflective noncontact control circuit structural representation.
Embodiment
Also the present invention is described in further detail in conjunction with the accompanying drawings below by specific embodiment.
The infrared body temperature detector of reflective noncontact that the present invention proposes, comprise infrared probe and control circuit, the infrared receiving sensor that has the form diaphragm is positioned on the focus of parabolic mirror, aperture diaphragm one end and parabolic mirror link, the other end and optical filtering link, and connect infrared receiving sensor by support, comprise signal preposing signal process circuit, temperature conversion device, communication interface, hummer, alarm lamp, keyboard, display etc. in the control circuit, be connected with microprocessor respectively.
In following examples:
The output terminal of described infrared probe 1 links to each other with control circuit 2 input ends.
The inside surface of cylindrical shape aperture diaphragm 6 is the rib-loop shape.
Comprise that also signal preposing signal process circuit 10, communication interface 16, hummer 11, alarm lamp 12, keyboard 13, display 14 are connected with microprocessor 15 respectively, be used for when temperature signal that the temperature conversion device through microprocessor internal is scaled body temperature surpasses by keyboard 13, display 14 preset threshold, being undertaken sound and light alarm.
With reference to Fig. 1, the output terminal of infrared probe 1 links to each other with control circuit 2 input ends.
With reference to Fig. 2, cylindrical shape form diaphragm 9 is positioned at the sensitive surface periphery of infrared receiving sensor 5, infrared receiving sensor 5 with the support of support 4 under be positioned on the focus of parabolic mirror 3, an end and the parabolic mirror 3 of cylindrical shape aperture diaphragm 6 link, the other end and optical filtering 8 link.The inside surface of cylindrical shape aperture diaphragm 6 is the rib-loop shape.
With reference to Fig. 3, the output terminal of infrared receiving sensor 5 links to each other with the input end of preposing signal process circuit 10, the output terminal of preposing signal process circuit 10 links to each other with an input end of microprocessor 15, the input end of hummer 11 links to each other with an output terminal of microprocessor 15, the input end of alarm lamp 12 with link to each other with an output terminal of microprocessor 15, the port of keyboard 13 links to each other with the port of microprocessor 15, the port of display 14 links to each other with the port of microprocessor 15, and communication interface 16 links to each other with the port of microprocessor 15.
The invention has the advantages that: 1. the locate mode non-contacting infrared forehead surface temperature fast detector that provides Device does not contact human body, and forehead temperature can be measured about apart from head part 100cm fast in the casing front, reaction Time was less than 1 second. 2. locate mode non-contacting infrared forehead surface temperature fast detector provided by the present invention Device can and be measured environment according to different mensuration positions, sets different alarm temperatures, when the buzzer ring When ringing, expression the measured have a fever.
Utilize locate mode non-contacting infrared forehead surface temperature rapid detection apparatus provided by the present invention, to certain The result that school 800 teachers and students detect finds 15 example warnings, and wherein 3 people are confirmed as the patient that has a fever, and fever is suffered from Person's recall rate 100%, false drop rate only are 1.5%.
Claims (4)
1. infrared body temperature detector of reflective noncontact, comprise infrared probe and control circuit, the feature of infrared probe is: the infrared receiving sensor that has the form diaphragm is positioned on the focus of parabolic mirror, aperture diaphragm one end and parabolic mirror link, the other end and optical filtering link, and connect infrared receiving sensor by support, comprise signal preposing signal process circuit, temperature conversion device, communication interface, hummer, alarm lamp, keyboard, display etc. in the control circuit, be connected with microprocessor respectively.
2. instrument as claimed in claim 2, it is characterized in that cylindrical shape form diaphragm 9 is positioned at the sensitive surface periphery of infrared receiving sensor 5, infrared receiving sensor 5 with the support of support 4 under be positioned on the focus of parabolic mirror 3, one end and the parabolic mirror 3 of cylindrical shape aperture diaphragm 6 link, and the other end and optical filtering 8 link.
3. instrument as claimed in claim 2, the inside surface of cylindrical shape aperture diaphragm 6 is the rib-loop shape.
4. instrument as claimed in claim 2, the output terminal that it is characterized in that infrared receiving sensor 5 links to each other with the input end of preposing signal process circuit 10, the output terminal of preposing signal process circuit 10 links to each other with an input end of microprocessor 15, the input end of hummer 11 links to each other with an output terminal of microprocessor 15, the input end of alarm lamp 12 with link to each other with an output terminal of microprocessor 15, the port of keyboard 13 links to each other with the port of microprocessor 15, the port of display 14 links to each other with the port of microprocessor 15, and communication interface 16 links to each other with the port of microprocessor 15.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA031143644A CN1470854A (en) | 2003-05-04 | 2003-05-04 | Reflective non-contact infrared body-temperature detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA031143644A CN1470854A (en) | 2003-05-04 | 2003-05-04 | Reflective non-contact infrared body-temperature detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1470854A true CN1470854A (en) | 2004-01-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA031143644A Pending CN1470854A (en) | 2003-05-04 | 2003-05-04 | Reflective non-contact infrared body-temperature detector |
Country Status (1)
| Country | Link |
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| CN (1) | CN1470854A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103310584A (en) * | 2013-06-27 | 2013-09-18 | 无锡商业职业技术学院 | Infrared alarm |
| CN105051507A (en) * | 2012-11-19 | 2015-11-11 | 卡兹欧洲公司 | Medical radiation thermometer having an improved optics system |
-
2003
- 2003-05-04 CN CNA031143644A patent/CN1470854A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105051507A (en) * | 2012-11-19 | 2015-11-11 | 卡兹欧洲公司 | Medical radiation thermometer having an improved optics system |
| CN105051507B (en) * | 2012-11-19 | 2018-02-16 | 卡兹欧洲公司 | Clinical thermometer with improved optical system |
| US10054490B2 (en) | 2012-11-19 | 2018-08-21 | Helen Of Troy Limited | Medical thermometer having an improved optics system |
| CN103310584A (en) * | 2013-06-27 | 2013-09-18 | 无锡商业职业技术学院 | Infrared alarm |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |