CN102488496B - Body temperature detector adopting infrared rays - Google Patents
Body temperature detector adopting infrared rays Download PDFInfo
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- CN102488496B CN102488496B CN201110322399.1A CN201110322399A CN102488496B CN 102488496 B CN102488496 B CN 102488496B CN 201110322399 A CN201110322399 A CN 201110322399A CN 102488496 B CN102488496 B CN 102488496B
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- infra
- red
- infrared
- temperature measurement
- infrared sensor
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- 230000036760 body temperature Effects 0.000 title claims abstract description 14
- 238000009529 body temperature measurement Methods 0.000 claims abstract description 26
- 210000001061 forehead Anatomy 0.000 claims description 11
- 230000005855 radiation Effects 0.000 claims description 9
- 230000008859 change Effects 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 12
- 238000005259 measurement Methods 0.000 abstract description 4
- 239000000523 sample Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000008034 disappearance Effects 0.000 description 2
- 210000000709 aorta Anatomy 0.000 description 1
- 210000001715 carotid artery Anatomy 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 210000003128 head Anatomy 0.000 description 1
- 230000003862 health status Effects 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000002560 therapeutic procedure Methods 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
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Abstract
The invention discloses a body temperature detector adopting infrared rays. An infrared thermometer is used for scanning and detecting a detected part of a detected person at first, so that a plurality of infrared signals are read, then the infrared signals are sequenced, a largest infrared signal is obtained, a plurality of infrared signals which are close to the largest infrared signal are selected from the sequenced infrared signals, then an average infrared signal is obtained, and finally, the average infrared signal can be converted into a temperature measurement value. By the aid of the method, a measurement result is more accurate, and the detected person can know the measurement result within a shorter time.
Description
The present invention is that application number is 200710163823.6, and on October 9 2007 applying date, what denomination of invention was " method of detecting living body temperature " Chinese patent application divides an application.
Technical field
The present invention is a kind of method, particularly method that can read fast living body temperature of relevant a kind of detecting living body temperature.
Background technology
Temperature is important physical signs, can know that whether a life entity is in health status, and for providing thermometric instrument to mainly contain contact tehermometer and contactless thermometer, wherein contact tehermometer system is as mercurial thermometer, electronic thermometer etc., contactless thermometer is infra-red thermometer, as ear temperature meter, volume temperature meter or there is Er Wen and volume using warming therapy dual-purpose type infra-red thermometer etc., and because the operation of infra-red thermometer is simple and easy, can obtain in a short period of time measured temperature again, so utilization rate is more and more higher.
For some ear tool impaired person, or the infant in sleeping soundly etc., be not applicable to completely utilizing ear temperature meter to measure, therefore can pass through the infrared radiation (infrared radiation) at the volume temperature position of volume temperature meter sensing testee, learn testee volume temperature.Wherein, existing volume temperature detecting mode, as U.S. Patent number the 6th, 292, No. 685 is to utilize the probe of volume temperature meter first the forehead of testee to be done to one to scan, and then gets a plurality of volume temperature measurement values, finally from these volume temperature measurement values, select the volume temperature measurement value of a maximum, as final volume temperature measurement result; So; maximum volume temperature measurement value can comprise noise conventionally; therefore measurement result is error to some extent easily; and existing volume temperature meter is in the process that forehead is scanned; each infra-red signal reading must be taken time and be converted immediately a volume temperature measurement value to; this measure also will make the Speed Reduction of forehead scanning, thereby accuracy of measurement is declined.
Summary of the invention
One of object of the present invention is that a kind of method of detecting living body temperature is being provided, it gets an average infra-red signal to several suitable infra-red signals, convert thereof into again a volume temperature measurement value, to solve prior art, convert one by one all infra-red signals to temperature value, and cause learning fast the disappearance of temperature value.
Another object of the present invention is that a kind of method of detecting living body temperature is being provided, and it can quick obtaining has the temperature measurement result of pinpoint accuracy.
According to the method for disclosed detecting living body temperature, its step comprises the infrared radiation that scans the forehead of detecting one testee by an infra-red thermometer, and reads a plurality of infra-red signals; These infra-red signals that sort, obtain a maximum infra-red signal, and from these infra-red signals sequence, choose signal near several infra-red signals of maximum infra-red signal, then it is got to an average infra-red signal; Change this average infra-red signal and become a volume temperature measurement value.
Compared with prior art, the present invention has the following advantages:
The present invention, by avoiding choosing maximum infra-red signal, is the several infra-red signals near maximum infra-red signal and choose signal, makes temperature measurement result more accurate.
Accompanying drawing explanation
Fig. 1 is infrared ray volume temperature meter structure chart of the present invention;
Fig. 2 is the circuit diagram of infrared ray volume temperature meter of the present invention;
Fig. 3 is the method flow diagram of detecting living body temperature of the present invention;
Fig. 4 is the sequence schematic diagram of infra-red signal of the present invention.
[figure number explanation]
10 infrared ray volume temperature meters
12 bodies
14 measuring probe structures
141 housings
16 buttons
18 display units
20 infrared sensors
22 microprocessing units
24 memory bodys
26 maximum infra-red signals
The specific embodiment
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is described in further detail:
The present invention discloses a kind of method of detecting living body temperature, it utilizes the E Wen of the quick interpretation testee of infra-red thermometer, and institute's volume temperature measurement result that provides is also more accurate, wherein for ease of technical characterictic of the present invention and object are described, below usings an infrared ray volume temperature as volume temperature measurement instrument.
Referring to Fig. 1 and Fig. 2, it is infrared ray volume temperature meter structural representation and a circuit diagram of the present invention.As shown in the figure, infrared ray volume temperature meter 10 of the present invention is to comprise that a body 12 and is positioned at measuring probe structure 14 on body 12 one end, wherein on body 12, be provided with a button 16 and for pressing, carry out temperature survey operation, and be provided with a display unit 18, if liquid crystal display is for displays temperature measurement result, 14 of measuring probe structures have a housing 141, front end at housing 141 also has a window that can penetrate for infrared radiation, and one for 20 of the infrared sensors of sensing infrared radiation in housing 141, therefore infrared sensor 20 is sensing penetration window and infrared radiation in the housing 141 that arrives, and, infrared ray volume temperature meter 10 also comprises a microprocessing unit 22, one 24 of memory bodys are in body 12, and microprocessing unit 22 coupling buttons 16, display unit 18, infrared sensor 20 and memory body 24, to control these interelement operations, wherein memory body 24 is in order to storage temperature measurement result and other data.
Please together with reference to Fig. 3, it is the method flow diagram of detecting living body temperature of the present invention.As shown in the figure, first carry out step S1, the measuring probe structure 14 of infra-red thermometer 10 is aimed at the forehead of testee, and mobile measuring probe structure 14 gradually, so that infrared sensor 20 is convenient to scan the infrared radiation that the forehead of detecting testee sends, and infrared ray sensor will read a plurality of infra-red signals, carry out afterwards step S2, infrared sensor 20 transmits these infra-red signals to microprocessing unit 22, microprocessing unit 22 sorts to these infra-red signals, as shown in Figure 4, infra-red signal is sequentially arranged from large to small or from small to large, and acquisition one maximum infra-red signal 26, then carry out step S3 and referring to Fig. 4, microprocessing unit 22 is from these infra-red signals sequence, choose several signals near the infra-red signal of maximum infra-red signal 24, carry out afterwards step S4, microprocessing unit 22 calculates an average infra-red signal to these several infra-red signals, and then convert this average infra-red signal to a volume temperature measurement value, as shown in step S5, therefore, microprocessing unit 22 just can transmit this volume temperature measurement value to display unit 18 and show, allow user learn volume temperature measurement result.Wherein, because the temple tremulous pulse of human body forehead is to be connected with heart via carotid artery, so when making volume temperature measurement, can scan the temple location of forehead, for the aorta of head, measure, as shown in Figure 1.
Therefore, the method of disclosed detecting living body temperature is mainly the read infra-red signal that first sorts, then the suitable infra-red signal it is got to an average infra-red signal of peek in from then on sequence, then convert again a volume temperature measurement value to, thereby can solve prior art and need convert one by one all infra-red signals to temperature value, and cause the disappearance that cannot learn fast temperature value, and prior art is usingd maximum temperature value as final temperature measurement result, and accurate not, because maximum temperature values is from maximum infra-red signal, and maximum infra-red signal is comprising very large noise composition conventionally, so the present invention is by avoiding choosing maximum infra-red signal, and choose signal, be the several infra-red signals near maximum infra-red signal, make temperature measurement result more accurate.
Disclosed is above only several specific embodiment of the present invention, and still, the present invention is not limited thereto, and the changes that any person skilled in the art can think of all should fall into protection scope of the present invention.
Claims (1)
1. use a ultrared apparatus for testing body temperature, comprise a body, this body is provided with a button and for pressing, carries out temperature survey operation and a display unit for displays temperature measurement result; Be positioned at the sonde configuration on this body one end, this sonde configuration has a housing, and this housing front end has a form penetrating for infrared radiation, it is characterized in that, also comprises
One infrared sensor, is positioned at described housing, and this infrared sensor is by the infra-red signal of the forehead of described form detecting user;
One microprocessing unit, be positioned at described body, be connected with described infrared sensor, sonde configuration is aimed at the forehead of user and is moved this sonde configuration gradually so that described infrared sensor scans the infrared radiation of the forehead of this user of detecting, thereby make described infrared sensor read a plurality of infra-red signals, the described a plurality of infra-red signals of described microprocessing unit sequence, obtain a maximum infra-red signal, and from these infra-red signals sequence, choose signal near several these infra-red signals of this maximum infra-red signal, again several these infra-red signals are got to an average infra-red signal, and change this average infra-red signal and become a volume temperature measurement value, and this volume temperature measurement value is sent to described display unit,
One memory body, is positioned at described body, is connected, in order to store described volume temperature measurement value with described microprocessing unit;
This microprocessing unit be coupled this button, this display unit, this memory body and this infrared sensor, in order to control the operation between them.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110322399.1A CN102488496B (en) | 2007-10-09 | 2007-10-09 | Body temperature detector adopting infrared rays |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110322399.1A CN102488496B (en) | 2007-10-09 | 2007-10-09 | Body temperature detector adopting infrared rays |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007101638236A Division CN101161197A (en) | 2007-10-09 | 2007-10-09 | Method for detecting living body temperature |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102488496A CN102488496A (en) | 2012-06-13 |
| CN102488496B true CN102488496B (en) | 2014-03-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110322399.1A Expired - Fee Related CN102488496B (en) | 2007-10-09 | 2007-10-09 | Body temperature detector adopting infrared rays |
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| Country | Link |
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| CN (1) | CN102488496B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104146691A (en) * | 2014-09-01 | 2014-11-19 | 陈学红 | Forehead thermometer for children |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6319206B1 (en) * | 1999-11-24 | 2001-11-20 | Exergen Corporation | Temporal thermometer disposable cap |
| CN200951077Y (en) * | 2006-08-28 | 2007-09-26 | 热映光电股份有限公司 | Infrared rays clinical thermometer |
-
2007
- 2007-10-09 CN CN201110322399.1A patent/CN102488496B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6319206B1 (en) * | 1999-11-24 | 2001-11-20 | Exergen Corporation | Temporal thermometer disposable cap |
| CN200951077Y (en) * | 2006-08-28 | 2007-09-26 | 热映光电股份有限公司 | Infrared rays clinical thermometer |
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| Publication number | Publication date |
|---|---|
| CN102488496A (en) | 2012-06-13 |
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