CN102879121B - Temperature measuring method and communication equipment - Google Patents
Temperature measuring method and communication equipment Download PDFInfo
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- CN102879121B CN102879121B CN201210340103.3A CN201210340103A CN102879121B CN 102879121 B CN102879121 B CN 102879121B CN 201210340103 A CN201210340103 A CN 201210340103A CN 102879121 B CN102879121 B CN 102879121B
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- temperature
- temperature value
- electrical signal
- raw electrical
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Abstract
The invention provides a temperature measuring method and communication equipment. The method comprises the following steps of: acquiring an original electric signal of which the temperature corresponds to the temperature of a measured object through a temperature sensor; obtaining a measured temperature value according to the original electric signal; and obtaining an actual temperature value by employing a formula h=h1+q/(q-0.0001) + (R-0.000025)2/R2 according to the measured temperature value, wherein h is the actual temperature value, h1 is the measured temperature value, q is the dust density in an environment where the measured object is positioned, and R is thermal resistance of the temperature sensor. According to the scheme, the measured temperature value is compensated through the formula h=h1+q/(q-0.0001) + (R-0.000025)2/R2, and the accuracy of the obtained actual temperature value is improved.
Description
Technical field
The present invention relates to communication technical field, relate in particular to a kind of method and communication apparatus of measuring temperature.
Background technology
In the modern communication epoch, mobile phone has become the indispensable instrument of people's everyday life.Along with scientific and technical progress, mobile phone is also tending towards intelligent direction development, and the function of mobile phone is also more and more.For example, the application for a patent for invention that China Patent Publication No. is CN1457207A, discloses a kind of Thermo mobile telephone, comprises temperature sensor, amplifying circuit, A/D converter, microprocessor, display and button.Wherein, the output of temperature sensor connects amplifying circuit, and the output of amplifying circuit connects A/D converter, the output connecting microprocessor of A/D converter, and microprocessor connects display and button.Such scheme has been realized the combination of temperature measurement technology and mobile phone, has realized the function of measuring at any time temperature, easy to use, quick.
But the Thermo mobile telephone of such scheme, in the time measuring testee temperature, because temperature, dust degree etc. can disturb measuring to produce, produces temperature drift, has influence on the actual temperature of testee, causes the inaccurate problem of temperature measurement result.
Summary of the invention
The invention provides a kind of method and communication apparatus of measuring temperature, to solve the impact that is subject to temperature, dust when existing Thermo mobile telephone is measured, cause the inaccurate problem of temperature measurement result.
A kind of method of measuring temperature provided by the invention, comprising:
Obtain the raw electrical signal corresponding with the temperature of testee by temperature sensor;
Obtain and measure temperature value according to described raw electrical signal;
According to described measurement temperature value, adopt formula
Obtain actual temperature value;
Wherein,
H is actual temperature value;
H
1for measuring temperature value;
Q is the dust density of described testee environment of living in;
R is the thermal resistance of described temperature sensor.
The present invention also provides a kind of communication apparatus, comprising:
Temperature sensor, in the time measuring the temperature of testee, exports the raw electrical signal corresponding with the temperature of described testee;
Data processing unit, for obtaining and measure temperature value according to described raw electrical signal; Also, for according to described measurement temperature value, adopt formula
Obtain actual temperature value;
Wherein,
H is actual temperature value;
H
1for measuring temperature value;
Q be described testee environment of living in for dust density;
R is the thermal resistance of described temperature sensor.
A kind of method and communication apparatus of measuring temperature provided by the invention, by adopting formula
Compensate processing to measuring temperature value, improved the accuracy of the actual temperature value obtaining.
Brief description of the drawings
Fig. 1 is the process flow diagram of the embodiment mono-of the present invention's method of measuring temperature;
Fig. 2 is the process flow diagram of the embodiment bis-of the present invention's method of measuring temperature;
Fig. 3 is the process flow diagram of the embodiment tri-of the present invention's method of measuring temperature;
Fig. 4 is the structural representation of the embodiment mono-of communication apparatus of the present invention;
Fig. 5 is the structural representation of the embodiment bis-of communication apparatus of the present invention;
Fig. 6 is the structural representation of the embodiment tri-of communication apparatus of the present invention;
Fig. 7 is the structural representation of the embodiment tetra-of communication apparatus of the present invention.
Embodiment
Fig. 1 is the process flow diagram of the embodiment mono-of the present invention's method of measuring temperature, and as shown in Figure 1, the present invention measures the embodiment mono-of the method for temperature, comprises the following steps:
S100: obtain the raw electrical signal corresponding with the temperature of testee by temperature sensor;
This method embodiment is applicable to communication terminal, here the communication terminal of indication such as but not limited to mobile phone, intercom, there is panel computer of communication function etc.The form that above-mentioned various terminal is implemented the method is same or similar, describes herein as an example of mobile phone example, does not repeat in the terminal to other kind.
In the mobile phone of enforcement the method, be provided with temperature sensor, this temperature sensor is for obtaining the raw electrical signal corresponding with testee temperature.Wherein, temperature sensor can be infrared sensor or electric resistance sensor.Adopt infrared sensor to carry out non-cpntact measurement to testee, be conducive to improve the convenience of measuring.Measurement belongs to contact type measurement to testee to adopt electric resistance sensor, now, generally the measurement section of electric resistance sensor need to be exposed to the outside of handset shell, to the measurement section of electric resistance sensor can be contacted with testee, the measurement section that is exposed to the electric resistance sensor of handset shell outside can be made columnar antenna shape.
S200: obtain and measure temperature value according to described raw electrical signal;
Central processing unit in mobile phone obtains corresponding measurement temperature value for processing according to raw electrical signal to calculate.Wherein, the computing method of the raw electrical signal calculating acquisition measurement temperature value that central processing unit obtains according to temperature sensor can adopt the method for contrast conting, such as but not limited to, in the corresponding operation instruction of temperature sensor of the different model of each manufacturer production, specified each magnitude of voltage of raw electrical signal and a corresponding relation of temperature value that temperature sensor obtains, central processing unit goes out to measure temperature value according to this corresponding relation contrast conting.
S300: according to described measurement temperature value, adopt formula
Obtain actual temperature value;
Wherein,
H is actual temperature value;
H
1for measuring temperature value;
Q is dust density by described survey object environment of living in;
R is the thermal resistance of described temperature sensor.
Calculating after acquisition measurement temperature value, central processing unit adopts formula
Calculate to obtain actual temperature value to measuring temperature value.
Such scheme, by adopting formula
Compensate processing to measuring temperature value, improved the accuracy of the actual temperature value obtaining.
Particularly, based on above-described embodiment, above-mentionedly obtain the raw electrical signal corresponding with the temperature of testee by temperature sensor, be specially: obtain the analog electrical signal that described temperature sensor is exported in the time measuring the temperature of described testee.
Fig. 2 is the process flow diagram of the embodiment bis-of the present invention's method of measuring temperature, based on above-described embodiment, further, as shown in Figure 2, describedly obtains and measures temperature value and be specially according to described raw electrical signal:
S201: described raw electrical signal is carried out to analog to digital conversion, obtain digital electric signal;
S202: obtain described measurement temperature value according to described digital electric signal.
Because the central processing unit in mobile phone is digital processing device, and temperature sensor is analog device, and the raw electrical signal of its acquisition is analog quantity, only has after analog to digital conversion, and central processing unit just can carry out computing.
Fig. 3 is the process flow diagram of the embodiment tri-of the present invention's method of measuring temperature, based on above-described embodiment, further, as shown in Figure 3, described described raw electrical signal is carried out to analog to digital conversion, also comprises before obtaining digital electric signal:
S101: described raw electrical signal is amplified to processing.
The raw electrical signal of analog quantity temperature sensor being obtained by amplifier circuit unit amplifies processing, carries out analog to digital conversion more afterwards through amplifying raw electrical signal after treatment by AD conversion unit, can further improve like this precision of measurement.
Fig. 4 is the structural representation of the embodiment mono-of communication apparatus of the present invention, as shown in Figure 4, the embodiment mono-of communication apparatus of the present invention, comprises temperature sensor 1, for in the time measuring the temperature of testee, export the raw electrical signal corresponding with the temperature of described testee; Data processing unit 2, for obtaining and measure temperature value according to described raw electrical signal; Also, for according to described measurement temperature value, adopt formula
Obtain actual temperature value; Wherein, h is actual temperature value; h
1for measuring temperature value; Q is the dust density of testee environment of living in; R is the thermal resistance of described temperature sensor.
The principle of work of communication apparatus embodiment of the present invention and effect, referring to said method embodiment, repeat no more here.
Fig. 5 is the structural representation of the embodiment bis-of communication apparatus of the present invention, based on above-described embodiment, further, as shown in Figure 5, also comprises: AD conversion unit 3, for described raw electrical signal is carried out to analog to digital conversion, obtains digital electric signal; Described data processing unit 2 obtains described measurement temperature value according to described digital electric signal.
Fig. 6 is the structural representation of the embodiment tri-of communication apparatus of the present invention, based on above-described embodiment, further, as shown in Figure 6, also comprises: amplifier circuit unit 4, and for described raw electrical signal is amplified to processing.
Fig. 7 is the structural representation of the embodiment tetra-of communication apparatus of the present invention, based on above-described embodiment, further, as shown in Figure 7, also comprises: display unit 5, and for showing described actual temperature value.
Based on above-described embodiment, further, temperature sensor is infrared sensor or electric resistance sensor.
Finally it should be noted that: above each embodiment, only in order to technical scheme of the present invention to be described, is not intended to limit; Although the present invention is had been described in detail with reference to aforementioned each embodiment, those of ordinary skill in the art is to be understood that: its technical scheme that still can record aforementioned each embodiment is modified, or some or all of technical characterictic is wherein equal to replacement; And these amendments or replacement do not make the essence of appropriate technical solution depart from the scope of various embodiments of the present invention technical scheme.
Claims (9)
1. a method of measuring temperature, is characterized in that, comprising:
Obtain the raw electrical signal corresponding with the temperature of testee by temperature sensor;
Obtain and measure temperature value according to described raw electrical signal;
According to described measurement temperature value, adopt formula
obtain actual temperature value;
Wherein,
H is actual temperature value;
H
1for measuring temperature value;
Q is the dust density of described testee environment of living in;
R is the thermal resistance of described temperature sensor.
2. the method for measurement temperature according to claim 1, is characterized in that, describedly obtains the raw electrical signal corresponding with the temperature of testee by temperature sensor, is specially:
Obtain the analog electrical signal that described temperature sensor is exported in the time measuring the temperature of described testee.
3. the method for measurement temperature according to claim 1 and 2, is characterized in that, describedly obtains and measures temperature value and be specially according to described raw electrical signal:
Described raw electrical signal is carried out to analog to digital conversion, obtain digital electric signal;
Obtain described measurement temperature value according to described digital electric signal.
4. the method for measurement temperature according to claim 3, is characterized in that, described described raw electrical signal is carried out to analog to digital conversion, also comprises before obtaining digital electric signal:
Described raw electrical signal is amplified to processing.
5. a communication apparatus, is characterized in that, comprising:
Temperature sensor, in the time measuring the temperature of testee, exports the raw electrical signal corresponding with the temperature of described testee;
Data processing unit, for obtaining and measure temperature value according to described raw electrical signal; Also, for according to described measurement temperature value, adopt formula
obtain actual temperature value;
Wherein,
H is actual temperature value;
H
1for measuring temperature value;
Q is the dust density of described testee environment of living in;
R is the thermal resistance of described temperature sensor.
6. communication apparatus according to claim 5, is characterized in that, also comprises:
AD conversion unit, for described raw electrical signal is carried out to analog to digital conversion, obtains digital electric signal;
Described data processing unit obtains described measurement temperature value according to described digital electric signal.
7. communication apparatus according to claim 5, is characterized in that, also comprises:
Amplifier circuit unit, for amplifying processing to described raw electrical signal.
8. according to the arbitrary described communication apparatus of claim 5-7, it is characterized in that, also comprise:
Display unit, for showing described actual temperature value.
9. according to the arbitrary described communication apparatus of claim 5-7, it is characterized in that, described temperature sensor is electric resistance sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210340103.3A CN102879121B (en) | 2012-09-13 | 2012-09-13 | Temperature measuring method and communication equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210340103.3A CN102879121B (en) | 2012-09-13 | 2012-09-13 | Temperature measuring method and communication equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102879121A CN102879121A (en) | 2013-01-16 |
| CN102879121B true CN102879121B (en) | 2014-10-22 |
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ID=47480533
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210340103.3A Expired - Fee Related CN102879121B (en) | 2012-09-13 | 2012-09-13 | Temperature measuring method and communication equipment |
Country Status (1)
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| CN (1) | CN102879121B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108593115B (en) * | 2018-03-21 | 2019-10-11 | 中南大学 | High-precision infrared measurement of temperature method, apparatus, equipment and storage medium in dust atmosphere |
| CN109238473B (en) * | 2018-11-02 | 2020-08-11 | 汕头大学 | Device and method for calibrating dust interference of infrared image array sensor |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5857777A (en) * | 1996-09-25 | 1999-01-12 | Claud S. Gordon Company | Smart temperature sensing device |
| CN1457207A (en) * | 2003-03-05 | 2003-11-19 | 张惠生 | Thermo mobile telephone |
-
2012
- 2012-09-13 CN CN201210340103.3A patent/CN102879121B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5857777A (en) * | 1996-09-25 | 1999-01-12 | Claud S. Gordon Company | Smart temperature sensing device |
| CN1457207A (en) * | 2003-03-05 | 2003-11-19 | 张惠生 | Thermo mobile telephone |
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| CN102879121A (en) | 2013-01-16 |
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Granted publication date: 20141022 Termination date: 20210913 |