CN109540301B - Infrared thermometer for switching frontal ear temperature measuring modes and switching method - Google Patents
Infrared thermometer for switching frontal ear temperature measuring modes and switching method Download PDFInfo
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- CN109540301B CN109540301B CN201910056781.9A CN201910056781A CN109540301B CN 109540301 B CN109540301 B CN 109540301B CN 201910056781 A CN201910056781 A CN 201910056781A CN 109540301 B CN109540301 B CN 109540301B
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- temperature
- infrared thermometer
- forehead
- thermometer body
- electrical contact
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- 238000000034 method Methods 0.000 title claims abstract description 8
- 210000001061 forehead Anatomy 0.000 claims abstract description 79
- 239000000523 sample Substances 0.000 claims abstract description 20
- 238000009529 body temperature measurement Methods 0.000 claims description 21
- 230000006978 adaptation Effects 0.000 claims description 3
- ZGHQUYZPMWMLBM-UHFFFAOYSA-N 1,2-dichloro-4-phenylbenzene Chemical compound C1=C(Cl)C(Cl)=CC=C1C1=CC=CC=C1 ZGHQUYZPMWMLBM-UHFFFAOYSA-N 0.000 description 10
- 238000013461 design Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- CJDNEKOMKXLSBN-UHFFFAOYSA-N 1-chloro-3-(4-chlorophenyl)benzene Chemical compound C1=CC(Cl)=CC=C1C1=CC=CC(Cl)=C1 CJDNEKOMKXLSBN-UHFFFAOYSA-N 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J5/0003—Radiation pyrometry, e.g. infrared or optical thermometry for sensing the radiant heat transfer of samples, e.g. emittance meter
- G01J5/0011—Ear thermometers
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J5/0022—Radiation pyrometry, e.g. infrared or optical thermometry for sensing the radiation of moving bodies
- G01J5/0025—Living bodies
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J5/80—Calibration
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Measuring And Recording Apparatus For Diagnosis (AREA)
Abstract
The invention discloses an infrared thermometer for switching a forehead temperature measuring mode and a switching method, comprising an infrared thermometer body and a forehead temperature cover; the infrared thermometer body is provided with a temperature measuring probe and a PCB (printed circuit board) which is connected with a first electrical contact; the forehead temperature cover is provided with a temperature-sensitive resistor and a second electrical contact; the forehead Wen Gaike is detachably assembled on the infrared thermometer body to cover or expose the temperature measuring probe, so that the forehead ear temperature measuring mode is switched; thus, when the forehead temperature cover is not assembled on the infrared thermometer body, the temperature measuring probe is exposed, the PCB board can not detect the temperature-sensitive resistor, and the PCB judges an ear temperature measuring mode; when the forehead temperature cover is assembled on the infrared thermometer body, the second electrical contact is electrically connected with the first electrical contact, the temperature-sensitive resistor is connected to the PCB, and the PCB judges a forehead temperature measuring mode and measures forehead temperature values; and the PCB acquires the resistance value of the temperature-sensitive resistor, calculates to obtain the ambient temperature, and compensates the forehead temperature value measured by the infrared thermometer body by using the ambient temperature to obtain a corrected forehead temperature value.
Description
Technical Field
The invention relates to the technical field of body temperature measurement, in particular to an infrared thermometer for switching frontal ear temperature measurement modes and a switching method.
Background
The infrared thermometer capable of switching the frontal ear temperature measuring mode combines the infrared ear temperature measurement and the infrared frontal temperature measurement into the same infrared thermometer, and the infrared thermometer is generally provided with a detachable cap to cover or expose the temperature measuring probe; in the prior art, when the frontal ear temperature measurement mode is switched, two modes are mainly available, one is that the frontal ear temperature measurement mode is manually selected and switched by arranging a switch and controlling the switch, and the other is that whether a cap exists or not is judged by recognition, the frontal ear temperature measurement mode is provided with the cap, and the frontal ear temperature measurement mode is provided with the cap; there are some drawbacks to the above approach, such as: the switch control and switching operation is troublesome, the cap judging mode depends on a more complex structural design on a mechanical connecting structure, the production and the manufacture are troublesome, and the problems of unreliable mechanical contact and the like are easy to occur.
In addition, the forehead temperature measurement is greatly affected by the environment, and clinically measured forehead temperature values have errors.
Accordingly, in the present invention, the applicant has studied a new technical solution to solve the above problems.
Disclosure of Invention
In view of the above, the present invention aims at overcoming the drawbacks of the prior art, and its primary objective is to provide an infrared thermometer and a switching method for switching frontal ear temperature measurement modes, which has simple and convenient switching control, and simultaneously, effectively improves frontal temperature measurement accuracy.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
an infrared thermometer for switching forehead temperature measuring modes comprises an infrared thermometer body and a forehead temperature cover; wherein the method comprises the steps of
One end of the infrared thermometer body is provided with a temperature measuring probe, a PCB board is arranged in the infrared thermometer body, the temperature measuring probe is connected to the PCB board, and the PCB board is connected with a first electrical contact;
the forehead temperature cover is provided with a temperature-sensitive resistor and a second electrical contact connected with the temperature-sensitive resistor;
The forehead Wen Gaike is detachably assembled on the infrared thermometer body to selectively cover or expose the temperature measuring probe, so that the forehead ear temperature measuring mode is switched; when the forehead temperature cover is assembled on the infrared thermometer body, the second electrical contact of the forehead temperature cover is electrically connected with the corresponding first electrical contact so as to connect the temperature-sensitive resistor to the PCB.
As a preferable scheme, one of the infrared thermometer body and the forehead thermometer cover is provided with a clamping point, the other is provided with a clamping groove, and the assembly and the positioning on the forehead Wen Gaiyu infrared thermometer body are achieved through the adaptation of the clamping point and the clamping groove.
As a preferred scheme, the first electrical contact and the second electrical contact are respectively arranged at the clamping point and the clamping groove, and the infrared thermometer body Wen Gaiyu achieves mechanical positioning and simultaneously achieves electrical connection of the first electrical contact and the second electrical contact.
As a preferable scheme, the infrared thermometer body is provided with an annular boss corresponding to the rear end of the measuring probe, and the infrared thermometer body is provided with an annular groove which is arranged around the periphery of the annular boss; the clamping points are exposed in the annular groove, the clamping grooves are formed in the inner wall surface of the forehead temperature cover, and the forehead Wen Gaishi is matched with the annular groove.
A frontal ear temperature measurement mode switching method is based on an infrared thermometer switched by the frontal ear temperature measurement mode;
When the forehead temperature cover is assembled on the infrared thermometer body, the second electrical contact is electrically connected with the corresponding first electrical contact so as to connect the temperature-sensitive resistor to the PCB, and the PCB judges a forehead temperature measuring mode and measures forehead temperature values; the PCB acquires the resistance value of the temperature-sensitive resistor and calculates to obtain the ambient temperature, and the ambient temperature is utilized to compensate the forehead temperature value measured by the infrared thermometer body so as to obtain a corrected forehead temperature value;
when the forehead temperature cover is not assembled on the infrared thermometer body, the temperature measuring probe is exposed, the PCB board can not detect the temperature-sensitive resistor, and the PCB judges an ear temperature measuring mode.
As a preferable scheme, the forehead temperature cover is assembled on the infrared thermometer body in a plug-in mode, and the mechanical connection between the forehead temperature cover and the infrared thermometer body and the electrical connection between the first electrical contact and the second electrical contact are completed through one-time plug-in action.
Compared with the prior art, the invention has obvious advantages and beneficial effects, and particularly, the technical scheme mainly comprises the steps of arranging the temperature-sensitive resistor on the forehead temperature cover, using the temperature-sensitive resistor as a detection element for switching forehead temperature measurement modes, simultaneously, feeding back the ambient temperature to compensate the forehead temperature value measured by the infrared thermometer body by using the temperature-sensitive resistor as a detection element for detecting the ambient temperature, thereby obtaining a corrected forehead temperature value and improving forehead temperature measurement precision.
In order to more clearly illustrate the structural features and efficacy of the present invention, the present invention will be described in detail below with reference to the accompanying drawings and examples.
Drawings
FIG. 1 is an exploded view of an embodiment of the present invention;
FIG. 2 is another exploded view of an embodiment of the present invention;
Fig. 3 is a block diagram of a circuit connection structure of an embodiment of the present invention.
The attached drawings are used for identifying and describing:
10. Infrared thermometer body 11 and temperature measuring probe
12. PCB 13 and main control unit
14. Clamping point 15, annular boss
16. Annular groove 17, first electrical contact
20. Forehead temperature cover 21 and temperature sensitive resistor
22. A clamping groove 23 and a second electrical contact.
Detailed Description
Referring to fig. 1 to 3, specific structures of embodiments of the present invention are shown.
An infrared thermometer for switching forehead temperature measuring modes comprises an infrared thermometer body 10 and a forehead temperature cover 20; wherein, the infrared thermometer body 10 is provided with a power switch, a display screen and the like.
One end of the infrared thermometer body 10 is provided with a temperature measuring probe 11, a PCB 12 is arranged in the infrared thermometer body 10, the temperature measuring probe 11 is connected with the PCB 12, and the PCB 12 is connected with a first electrical contact 17;
The forehead temperature cover 20 has a temperature-sensitive resistor 21 and a second electrical contact 23 connected to the temperature-sensitive resistor 21;
The forehead temperature cover 20 is detachably assembled on the infrared thermometer body 10 to selectively cover or expose the temperature measuring probe 11, so as to switch the forehead ear temperature measuring mode; when the forehead temperature cover 20 is assembled on the infrared thermometer body 10, the second electrical contact 23 and the corresponding first electrical contact 17 form an electrical connection to connect the temperature-sensitive resistor 21 to the PCB 12.
When the forehead temperature cover 20 is assembled on the infrared thermometer body 10, the second electrical contact 23 and the corresponding first electrical contact 17 form an electrical connection so as to connect the temperature-sensitive resistor 21 to the PCB 12, and the PCB 12 determines a forehead temperature measurement mode to measure the forehead temperature value; and, the PCB 12 collects the resistance value of the temperature-sensitive resistor 21 and calculates to obtain the ambient temperature, and compensates the forehead temperature value measured by the infrared thermometer body 10 by using the ambient temperature to obtain a corrected forehead temperature value;
when the forehead temperature cover 20 is not assembled on the infrared thermometer body 10, the temperature measuring probe is exposed, the temperature sensitive resistor 21 cannot be detected by the PCB 12, and the PCB judges the ear temperature measuring mode.
Therefore, in this embodiment, whether the temperature-sensitive resistor 21 is connected with the PCB 12 is judged according to whether the PCB 12 is connected with the main control unit 13, and the corresponding frontal ear temperature measurement mode is automatically switched, so that the manual control of the change-over switch is not needed, the complicated mechanical structure design is not relied on, and the convenience and reliability of the change-over are effectively improved.
In general, the forehead temperature cover 20 is assembled on the infrared thermometer body 10 in a plug-in manner, and the mechanical connection between the forehead temperature cover 20 and the infrared thermometer body 10 and the electrical connection between the first and second electrical contacts are completed by one plug-in operation.
The specific details of the plug structure between the forehead temperature cover 20 and the infrared thermometer body 10 are not limited, and in this embodiment, a feasible structure is provided for illustration: one of the infrared thermometer body 10 and the forehead thermometer cover 20 is provided with a clamping point 14, the other is provided with a clamping groove 22, and the assembly and the positioning of the forehead thermometer cover 20 on the infrared thermometer body 10 are achieved through the adaptation of the clamping point 14 and the clamping groove 22; the first electrical contact 17 and the second electrical contact 23 may be respectively disposed on the clamping point 14 and the clamping groove 22, and the thermal cover 20 may achieve the mechanical positioning of the infrared thermometer body 10 and simultaneously achieve the electrical connection of the first electrical contact 17 and the second electrical contact 23. Of course, the first electrical contact and the second electrical contact may be designed at other locations, and are not limited to the positions of the clamping point 14 and the clamping slot 22. The electrical contacts can be designed to be elastic protrusions to better meet the reliable contact between the first electrical contact and the second electrical contact.
Here, the infrared thermometer body 10 is provided with an annular boss 15 corresponding to the rear end of the measuring probe 11, and the infrared thermometer body 10 is provided with an annular groove 16 arranged around the periphery of the annular boss 15; the clamping point 14 is exposed in the annular groove 16, the clamping groove 22 is formed on the inner wall surface of the forehead temperature cover 20, and the forehead temperature cover 20 is adapted to the annular groove 16.
The design focus of the invention is that the temperature-sensitive resistor is mainly arranged on the forehead temperature cover, the temperature-sensitive resistor is used as a detection element for switching forehead temperature measurement modes, meanwhile, the temperature-sensitive resistor is used as a element for detecting the ambient temperature, and the ambient temperature is fed back to compensate the forehead temperature value measured by the infrared thermometer body, so that a corrected forehead temperature value is obtained, and the forehead temperature measurement precision is improved.
The foregoing description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so any minor modifications, equivalent changes and modifications made to the above embodiments according to the technical principles of the present invention are still within the scope of the technical solutions of the present invention.
Claims (4)
1. An infrared thermometer for switching frontal ear temperature measurement modes, which is characterized in that: comprises an infrared thermometer body and a forehead temperature cover; wherein the method comprises the steps of
One end of the infrared thermometer body is provided with a temperature measuring probe, a PCB (printed circuit board) is arranged in the infrared thermometer body, the PCB is connected with a main control unit, the temperature measuring probe is connected to the PCB, and the PCB is connected with a first electrical contact;
the forehead temperature cover is provided with a temperature-sensitive resistor and a second electrical contact connected with the temperature-sensitive resistor;
The forehead Wen Gaike is detachably assembled on the infrared thermometer body to selectively cover or expose the temperature measuring probe, so that the forehead ear temperature measuring mode is switched; the forehead temperature cover is assembled on the infrared thermometer body in a plug-in mode, and mechanical connection of the forehead temperature cover and the infrared thermometer body and electrical connection of the first electrical contact and the second electrical contact are completed through one-time plug-in action;
When the forehead temperature cover is assembled on the infrared thermometer body, the second electrical contact of the forehead temperature cover is electrically connected with the corresponding first electrical contact to connect the temperature-sensitive resistor to the PCB, the PCB judges a forehead temperature measurement mode to measure the forehead temperature value, the PCB collects the resistance calculation of the temperature-sensitive resistor to obtain the ambient temperature, and the ambient temperature is used for compensating the forehead temperature value measured by the infrared thermometer body to obtain a corrected forehead temperature value;
when the forehead temperature cover is not assembled on the infrared thermometer body, the temperature measuring probe is exposed, the PCB board can not detect the temperature-sensitive resistor, and the PCB judges an ear temperature measuring mode.
2. The infrared thermometer of claim 1 wherein: one of the infrared thermometer body and the forehead temperature cover is provided with a clamping point, the other is provided with a clamping groove, and the assembly and the positioning on the forehead Wen Gaiyu infrared thermometer body are achieved through the adaptation of the clamping point and the clamping groove.
3. The infrared thermometer of claim 2 wherein: the first electrical contact and the second electrical contact are respectively arranged at the clamping point and the clamping groove, and the infrared thermometer body Wen Gaiyu achieves mechanical positioning and simultaneously achieves electrical connection of the first electrical contact and the second electrical contact.
4. The infrared thermometer of claim 3, wherein: the infrared thermometer body is provided with an annular boss corresponding to the rear end of the measuring probe, and is provided with an annular groove which is arranged around the periphery of the annular boss; the clamping points are exposed in the annular groove, the clamping grooves are formed in the inner wall surface of the forehead temperature cover, and the forehead Wen Gaishi is matched with the annular groove.
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CN201910056781.9A CN109540301B (en) | 2019-01-22 | 2019-01-22 | Infrared thermometer for switching frontal ear temperature measuring modes and switching method |
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CN201910056781.9A CN109540301B (en) | 2019-01-22 | 2019-01-22 | Infrared thermometer for switching frontal ear temperature measuring modes and switching method |
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CN109540301B true CN109540301B (en) | 2024-05-10 |
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Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN110608806A (en) * | 2019-10-24 | 2019-12-24 | 苏州匡迪医疗科技有限公司 | Interchanging and sharing assembly for forehead thermometer and ear thermometer of human body |
CN113514154A (en) * | 2020-04-11 | 2021-10-19 | 深圳市永盟智能信息系统有限公司 | Infrared thermometer and forehead temperature correction and measurement method |
CN111623885B (en) * | 2020-06-01 | 2021-09-14 | 上海闻泰电子科技有限公司 | Infrared temperature measuring device and infrared temperature measuring method |
CN116929592B (en) * | 2023-06-01 | 2024-05-28 | 北京市计量检测科学研究院 | Temperature measuring instrument data acquisition and detection device and detection method |
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CN102283637A (en) * | 2011-07-01 | 2011-12-21 | 中山市创源电子有限公司 | Infrared ear thermometer and temperature measuring method thereof |
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