CN114910171A - Calculation method, system, equipment and computer readable medium for obtaining earmuff temperature - Google Patents
Calculation method, system, equipment and computer readable medium for obtaining earmuff temperature Download PDFInfo
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- 238000004364 calculation method Methods 0.000 title claims abstract description 55
- 238000010438 heat treatment Methods 0.000 claims abstract description 20
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- 238000005259 measurement Methods 0.000 claims abstract description 17
- 238000012546 transfer Methods 0.000 claims abstract description 17
- 238000002834 transmittance Methods 0.000 claims abstract description 7
- 101001010782 Drosophila melanogaster Fez family zinc finger protein erm Proteins 0.000 claims description 85
- 238000004590 computer program Methods 0.000 claims description 9
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- 230000035945 sensitivity Effects 0.000 claims description 6
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- 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
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- 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
- G01J5/10—Radiation pyrometry, e.g. infrared or optical thermometry using electric radiation detectors
- G01J5/12—Radiation pyrometry, e.g. infrared or optical thermometry using electric radiation detectors using thermoelectric elements, e.g. thermocouples
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- 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
- G01J5/10—Radiation pyrometry, e.g. infrared or optical thermometry using electric radiation detectors
- G01J5/12—Radiation pyrometry, e.g. infrared or optical thermometry using electric radiation detectors using thermoelectric elements, e.g. thermocouples
- G01J2005/123—Thermoelectric array
Abstract
The application provides a calculation method, a system, equipment and a computer readable medium for obtaining the temperature of an earmuff, wherein the method comprises the following steps: after the infrared thermopile sensor is provided with the heating element, the ear cap is sleeved at the temperature measuring end heated by the heating element, the ear cap is heated along with the temperature measuring end, and after the ear cap is stabilized, the ear cap is disconnected from the heating device to start measurement; obtaining a calculation formula of the surface temperature of the earmuff according to a Stefan-Boltzmann theoretical calculation formula; the measured value with the earmuffs specifically compensates the surface temperature measured without the earmuffs according to the temperature of the earmuffs, the transmittance of the earmuffs, the first heat transfer coefficient and the second heat transfer coefficient, and the final surface temperature is obtained. This application is through adopting earmuff temperature real time monitoring technique, can not only have the earmuff to mark, and compensate the testing result according to the earmuff temperature when can continuous measurement again, has simplified the process of maring, saves the cost, has also promoted measuring accuracy simultaneously.
Description
Technical Field
The present application relates to ear thermometers, and more particularly, to a method, system, device and computer readable medium for calculating an ear loop temperature.
Background
The ear thermometer is a contact type measurement and has the risk of cross infection, so the ear thermometer can increase the measurement after an ear sleeve, and the infection risk is reduced.
Due to the characteristics of the ear muff material, the using environment and other factors, in the measuring process of the ear thermometer, net infrared radiation can be generated between the ear muff and the sensor, the radiant quantity of the infrared radiation is in a changing state, the measuring result is influenced, and the measuring error is increased.
Disclosure of Invention
The present application aims to provide a calculation method, a system, a device and a computer readable medium for obtaining an earmuff temperature, which can not only calibrate without an earmuff but also compensate a detection result according to the earmuff temperature during continuous measurement by adopting an earmuff temperature real-time monitoring technology, thereby solving the problems in the background art.
In order to solve the above technical problems, the technical solutions of the calculating method, system, device and computer readable medium for obtaining the earmuff temperature provided by the present application are as follows:
in a first aspect, the present application discloses a calculation method for obtaining a temperature of an earmuff, the method comprising the steps of:
step 1: after the infrared thermopile sensor is provided with the heating element, the ear cap is sleeved at the temperature measuring end heated by the heating element, the ear cap is heated along with the temperature measuring end, and is heated along with the disconnection after being stabilized, and the measurement is started;
step 2: obtaining a calculation formula of the surface temperature of the earmuff according to a Stefan-Boltzmann theoretical calculation formula;
and step 3: the measured value with the earmuffs specifically compensates the surface temperature measured without the earmuffs according to the temperature of the earmuffs, the transmittance of the earmuffs, the first heat transfer coefficient and the second heat transfer coefficient, and the final surface temperature is obtained.
In a preferred embodiment of any of the above aspects, the Stefan-Boltzmann theoretical calculation formula is
U is the voltage, T amb Is the NTC temperature, T obj Is a target ofTemperature, U 0 K is a sensitivity correction coefficient, and a is a coefficient.
In a preferred embodiment of any of the above aspects, when used without an earmuff, if U is the same as U 34 ，T 34 ，T obj 34 if U 44 ，T 44 ，T obj 44, then according to the following two equations:
34 4 ＝(U 34 -U 0 )/K+T 34 4 ，44 4 ＝(U 44 -U 0 )/K+T 44 4 obtaining the unknown number U 0 ，K。
In a preferred embodiment of any of the above aspects, when used without an earmuff, if U is the same as U 34 ，T 34 ， T obj 34 if U 44 ，T 44 ，T obj ＝44：
Is at an ambient temperature of 26 c, a target temperature of 34 c and 44 c.
In a preferred embodiment of any of the above aspects, when the earmuff is used, the target temperature is measured at 26 ℃ and 34 ℃ according to the Stefan-Boltzmann theory
Sum voltage correction parameter U 0 Sensitivity correction factor K, calculating to obtain T obj ＝T 1 。
In a preferred embodiment of any of the above solutions, when the temperature is known across the ear cap: according to phi ═ Ah 1 (tf 1 -tw 1 ) And phi ═ Ah 2 (tw 2 -tf 2 ) Calculating a heat conduction formula, wherein phi is the heat flow, A is the surface area, and h 1 And h 2 To the heat transfer coefficient, tf 1 The temperature on the side with higher temperature on both sides of the ear cap, tw 1 Temperature of the ear muffs, tf 2 The temperature of the lower side of the ear cap is the temperature of the two sides of the ear cap.
In a preferred embodiment of any of the above solutions, the heat conduction formula is:
wherein k is 2 Is the permeability of the earmuff.
In a second aspect, a computing system for obtaining a temperature of an earmuff includes:
the measuring module is used for setting a heating element on the infrared thermopile sensor, sleeving an ear sleeve on a temperature measuring end heated by the heating element, heating the ear sleeve along with the temperature measuring end, cutting off the heating after the ear sleeve is stabilized, and starting to measure, wherein the infrared thermopile sensor is arranged on a base, the base is connected with a support, the base and the infrared thermopile sensor form the temperature measuring end, a detecting head rubber piece is wrapped outside the base and the infrared thermopile sensor, and the ear sleeve is sleeved outside the detecting head rubber piece;
the calculation module is used for acquiring a calculation formula of the temperature of the surface of the earmuff according to the Stefan-Boltzmann theoretical calculation formula;
and the processing module is used for specifically compensating the surface temperature measured without the earmuff according to the temperature of the earmuff, the transmittance of the earmuff, the first heat transfer coefficient and the second heat transfer coefficient by using the measured value with the earmuff, and acquiring the final surface temperature.
In a third aspect, a computing device for obtaining a temperature of an earmuff, comprises:
a memory for storing a computer program;
a processor for implementing the steps of the calculation method for acquiring the temperature of the earmuff when the computer program is executed.
In a fourth aspect, a computer-readable medium, on which a computer program is stored, which program, when executed by a processor, implements the calculation method of acquiring an earmuff temperature as described.
Compared with the prior art, the calculation method, the calculation system, the calculation equipment and the computer readable medium for acquiring the temperature of the earmuff have the advantages that the real-time earmuff temperature monitoring technology is adopted, the earmuff-free calibration can be realized, the detection result can be compensated according to the temperature of the earmuff during continuous measurement, the calibration process is simplified, the cost is saved, and meanwhile, the measurement accuracy is improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and constitute a part of this application, illustrate embodiments of the application and together with the description serve to explain the application and are not intended to limit the application in a non-limiting sense. Some specific embodiments of the present application will be described in detail hereinafter by way of illustration and not limitation with reference to the accompanying drawings. The same reference numbers will be used throughout the drawings to refer to the same or like parts or components, and it will be understood by those skilled in the art that the drawings are not necessarily drawn to scale, and wherein:
fig. 1 is a schematic diagram of a calculation method for acquiring the temperature of the earmuff according to the present application.
Fig. 2 is a schematic diagram of a computing system for acquiring the temperature of the earmuff according to the present application.
Fig. 3 is a schematic diagram of a computing device for acquiring the temperature of the earmuff.
Fig. 4 is a schematic diagram of an earphone with an earmuff according to the calculation method for obtaining the earmuff temperature.
Fig. 5 is a schematic diagram of an earphone without an earmuff according to the calculation method for obtaining the earmuff temperature.
Fig. 6 is a thermodynamic diagram of an ear thermometer measurement module in the calculation method for obtaining the temperature of an earmuff according to the present application.
Fig. 7 is a schematic diagram of an error curve of data in the calculation method for obtaining the temperature of the earmuff.
Detailed Description
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. It should be apparent that the described embodiments are merely one example of a component of the present application and not a full component embodiment. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without any creative effort shall fall within the protection scope of the present application.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
In the description of the present application, it is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings, which is solely for the purpose of facilitating the description and simplifying the description, and does not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, is not to be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "plurality" means two or more unless specifically limited otherwise.
The following embodiments of the present application illustrate the solution of the present application in detail by taking the calculation method, system, device and computer readable medium for obtaining the temperature of the earmuff as an example, but the scope of the present application is not limited by the embodiments.
Examples
As shown in fig. 1, 4, 5 and 7, the embodiment of the present application provides a calculation method for obtaining the temperature of an earmuff, the method includes the following steps:
step 1: after the infrared thermopile sensor 1 is provided with the heating element 4, the ear cap 3 is sleeved at the temperature measuring end heated by the heating element 4, the ear cap 3 is heated along with the temperature measuring end, and is heated after being disconnected after being stabilized, and the measurement is started;
step 2: acquiring a calculation formula of the earmuff surface temperature according to the Stefan-Boltzmann theoretical calculation formula;
and step 3: the measured value with the earmuffs specifically compensates the surface temperature measured without the earmuffs according to the temperature of the earmuffs, the transmittance of the earmuffs, the first heat transfer coefficient and the second heat transfer coefficient, and the final surface temperature is obtained.
In the calculation method for obtaining the temperature of the earmuff according to the embodiment of the invention, the Stefan-Boltzmann theory calculation formula is
U is a voltage, T amb Is the NTC temperature, T obj Is the target temperature, U 0 K is a sensitivity correction coefficient, and a is a coefficient.
In a preferred embodiment of any of the above aspects, when used without an earmuff, if U is the same as U 34 ，T 34 ，T obj 34 if U 44 ，T 44 ，T obj 44, then according to the following two equations:
34 4 ＝(U 34 -U 0 )/K+T 34 4 ，44 4 ＝(U 44 -U 0 )/K+T 44 4 obtaining the unknown number U 0 ，K。
In the calculating method for obtaining the temperature of the earmuff according to the embodiment of the invention, if U is used when no earmuff is used, U is used 34 ，T 34 ，T obj 34 if U 44 ，T 44 ，T obj ＝44：
Is at an ambient temperature of 26 c, a target temperature of 34 c and 44 c.
In the calculation method for obtaining the temperature of the earmuff according to the embodiment of the present invention, when the earmuff is used, the target temperature is 34 ℃ under the temperature of 26 ℃ of the measuring environment, according to the Stefan-Boltzmann theory calculation formula
Sum voltage correction parameter U 0 Sensitivity correction factor K, calculated to obtain T obj ＝T 1 。
In the calculation method for obtaining the temperature of the earmuff according to the embodiment of the invention, when the temperatures of the two sides of the earmuff are known: according to phi ═ Ah 1 (tf 1 -tw 1 ) And phi ═ Ah 2 (tw 2 -tf 2 ) Calculating a heat conduction formula, wherein φ is a heat flow, A is a surface area, and h 1 And h 2 To the heat transfer coefficient, tf 1 The temperature on the side with higher temperature on both sides of the ear cap, tw 1 Is the temperature of the earmuff, tf 2 The temperature of the lower side of the ear cap is the temperature of the two sides of the ear cap.
In the calculation method for obtaining the temperature of the earmuff according to the embodiment of the present invention, the heat conduction formula is:
wherein k is 2 Is the permeability of the earmuff.
As shown in fig. 2, 4 and 5, in a second aspect, a computing system for acquiring a temperature of an earmuff includes:
the measuring module is used for arranging a heating element 4 on an infrared thermopile sensor 1, sleeving an ear sleeve 3 at a temperature measuring end heated by the heating element 4, heating the ear sleeve 3 along with the temperature measuring end, cutting off the heating after the temperature measuring end is stabilized, and starting to measure, wherein the infrared thermopile sensor 1 is arranged on a base 5, the base 5 is connected with a support 6, the base 5 and the infrared thermopile sensor 1 form the temperature measuring end, a detecting head rubber part 2 is wrapped outside the base 5 and the infrared thermopile sensor 1, and the ear sleeve 3 is sleeved outside the detecting head rubber part 2;
the calculation module is used for acquiring a calculation formula of the surface temperature of the earmuff according to the Stefan-Boltzmann theoretical calculation formula;
and the processing module is used for specifically compensating the surface temperature measured without the earmuff according to the temperature of the earmuff, the transmittance of the earmuff, the first heat transfer coefficient and the second heat transfer coefficient by the measured value with the earmuff, and acquiring the final surface temperature.
As shown in fig. 6, the temperature is highest at the circular bottom of the ear thermometer, and when the ear cap is worn, the circular bottom and the ear cap form a relatively closed space, and a certain heat conduction exists in the space. Therefore, when the ear cap is used for calibration, the result of measurement is influenced to a certain extent.
As shown in FIG. 3, in a third aspect, a computing device for obtaining a temperature of an earmuff comprises:
a memory for storing a computer program;
a processor for implementing the steps of the calculation method for acquiring the temperature of the earmuff when executing the computer program.
Wherein, the processor is used for controlling the whole operation of the measuring device so as to complete all or part of the steps in the calculation method for acquiring the temperature of the earmuff. The memory is used to store various types of data to support operation at the measuring device, which may include, for example, instructions for any application or method operating on the measuring device, as well as application-related data, such as contact data, messaging, pictures, audio, video, and so forth. The memory may be implemented by any type of volatile or non-volatile memory device or combination thereof, such as Static Random Access Memory (SRAM), electrically erasable programmable Read-only memory (EEPROM), erasable programmable Read-only memory (EPROM), programmable Read-only memory (PROM), Read-only memory (ROM), magnetic memory, flash memory, magnetic disk or optical disk. The multimedia components may include a screen and an audio component. Wherein the screen may be, for example, a touch screen and the audio component is used for outputting and/or inputting audio signals. For example, the audio component may include a microphone for receiving external audio signals. The received audio signal may further be stored in a memory or transmitted through a communication component. The audio assembly further comprises at least one speaker for outputting audio signals. The I/O interface provides an interface between the processor and other interface modules, such as a keyboard, mouse, buttons, etc. These buttons may be virtual buttons or physical buttons. The communication component is used for carrying out wired or wireless communication between the measuring equipment and other equipment. Wireless communication, such as Wi-Fi, bluetooth, Near Field Communication (NFC), 2G, 3G or 4G, or a combination of one or more of them, so that the corresponding communication component may include: Wi-Fi module, bluetooth module, NFC module.
In an exemplary embodiment, the measuring device may be implemented by one or more Application Specific Integrated Circuits (ASICs), Digital Signal Processors (DSPs), Digital Signal Processing Devices (DSPDs), Programmable Logic Devices (PLDs), Field Programmable Gate Arrays (FPGAs), controllers, microcontrollers, microprocessors, or other electronic components for performing the above-described calculation method for obtaining the earmuff temperature.
In another exemplary embodiment, a computer readable storage medium comprising program instructions for implementing the steps of the above-described calculation method for acquiring a temperature of an earmuff when executed by a processor is also provided. For example, the computer readable storage medium may be the above-mentioned memory comprising program instructions executable by the processor of the measurement device to perform the above-mentioned calculation method of obtaining the earmuff temperature.
Corresponding to the above method embodiments, the disclosed embodiments also provide a readable storage medium, and a readable storage medium described below and a calculation method for obtaining the temperature of the earmuff described above can be correspondingly referred to each other.
In a fourth aspect, a computer-readable medium, on which a computer program is stored which, when being executed by a processor, carries out the calculation method of acquiring a temperature of an earmuff as described.
The readable storage medium may be various readable storage media capable of storing program codes, such as a usb disk, a removable hard disk, a Read-only memory (ROM), a Random Access Memory (RAM), a magnetic disk, or an optical disk.
Compared with the prior art, the calculation method, the system, the equipment and the computer readable medium for obtaining the temperature of the earmuff in the embodiment of the application can not only carry out calibration without the earmuff, but also compensate the detection result according to the temperature of the earmuff during continuous measurement by adopting the real-time monitoring technology of the temperature of the earmuff, simplify the calibration process, save the cost and simultaneously improve the accuracy of the measurement.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, and not to limit the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments can be modified, or technical features of components or all components thereof can be equivalently replaced; and these modifications or substitutions do not depart from the scope of the technical solutions of the embodiments of the present application.
Claims (10)
1. A method of calculating an ear muff temperature, the method comprising the steps of:
step 1: a heating element (4) is arranged on the infrared thermopile sensor (1), an ear sleeve (3) is sleeved at a temperature measuring end heated by the heating element (4), and the ear sleeve (3) is heated along with the temperature measuring end to start measurement;
and 2, step: acquiring a calculation formula of the earmuff surface temperature according to the Stefan-Boltzmann theoretical calculation formula;
and 3, step 3: the measured value with the earmuffs specifically compensates the surface temperature measured without the earmuffs according to the temperature of the earmuffs, the transmittance of the earmuffs, the first heat transfer coefficient and the second heat transfer coefficient, and the final surface temperature is obtained.
2. Obtaining the temperature of an earmuff according to claim 1The calculation method is characterized in that the calculation formula of the stefan-boltzmann theory is
U is a voltage, T amb Is NTC temperature, T obj Is a target temperature, U 0 K is a sensitivity correction coefficient, and a is a coefficient.
3. The method of claim 2, wherein when no earmuff is used, U is 34 ，T 34 ，T obj ＝34，U 44 ，T 44 ，T obj At 44, the following two equations are followed:
34 4 ＝(U 34 -U 0 )/K+T 34 4 ，44 4 ＝(U 44 -U 0 )/K+T 44 4 obtaining the unknown number U 0 ，K。
4. The method as claimed in claim 3, wherein when no ear cap is used, U is calculated 34 ，T 34 ，T obj ＝34，U 44 ，T 44 ，T obj The condition satisfied when 44 is:
the ambient temperature is less than 26 ℃, the target temperature is less than 34 ℃ and 44 ℃.
5. The calculation method for obtaining the temperature of earmuffs according to claim 2, wherein the measurement target temperature is 34 ℃ at 26 ℃ of the ambient temperature when the earmuffs are used, according to the Stefan-Boltzmann theory calculation formula
Sum voltage correction parameter U 0 Sensitivity correction factor K, calculating to obtain T obj ＝T 1 。
6. The obtaining of claim 5The method for calculating the temperature of the earmuff is characterized in that when the temperature of two sides of the earmuff is known: according to phi ═ Ah 1 (tf 1 -tw 1 ) And phi ═ Ah 2 (tw 2 -tf 2 ) Calculating a heat conduction formula, wherein φ is a heat flow, A is a surface area, and h 1 And h 2 To the heat transfer coefficient, tf 1 The temperature on the side with higher temperature on both sides of the ear cap, tw 1 Is the temperature of the earmuff, tf 2 The temperature is the lower temperature side of the two sides of the ear cap.
7. The calculating method for obtaining the temperature of the earmuff according to claim 6, wherein the heat conduction formula is as follows:
wherein k is 2 Is the permeability of the earmuff.
8. A computing system for obtaining a temperature of an earmuff, comprising:
a measuring module, configured to, after a heating element (4) is disposed on an infrared thermopile sensor (1), sleeve an ear cap (3) at a temperature measuring end heated by the heating element (4), and the ear cap (3) is heated along with the temperature measuring end, and after stabilization, the ear cap is randomly disconnected from heating to start measurement, where the infrared thermopile sensor (1) is disposed on a base (5), the base (5) is connected to a support (6), the base (5) and the infrared thermopile sensor (1) form the temperature measuring end, a probing tip rubber (2) wraps the base (5) and the infrared thermopile sensor (1), and the ear cap (3) is sleeved outside the probing tip rubber (2);
the calculation module is used for acquiring a calculation formula of the surface temperature of the earmuff according to the Stefan-Boltzmann theoretical calculation formula;
and the processing module is used for specifically compensating the surface temperature measured without the earmuff according to the temperature of the earmuff, the transmittance of the earmuff, the first heat transfer coefficient and the second heat transfer coefficient by using the measured value with the earmuff, and acquiring the final surface temperature.
9. A computing device to obtain a temperature of an earmuff, comprising:
a memory for storing a computer program;
a processor for implementing the steps of the calculation method for acquiring the temperature of an earmuff according to any one of claims 1 to 7 when executing the computer program.
10. A computer-readable medium, on which a computer program is stored, which, when being executed by a processor, carries out the calculation method of acquiring an ear muff temperature according to any one of claims 1 to 7.
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| CN202210083723.7A CN114910171A (en) | 2022-01-19 | 2022-01-19 | Calculation method, system, equipment and computer readable medium for obtaining earmuff temperature |
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| CN202210083723.7A CN114910171A (en) | 2022-01-19 | 2022-01-19 | Calculation method, system, equipment and computer readable medium for obtaining earmuff temperature |
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