CN108896602B - Heat conduction temperature measuring device and temperature measuring method using same - Google Patents
Heat conduction temperature measuring device and temperature measuring method using same Download PDFInfo
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- CN108896602B CN108896602B CN201810946022.5A CN201810946022A CN108896602B CN 108896602 B CN108896602 B CN 108896602B CN 201810946022 A CN201810946022 A CN 201810946022A CN 108896602 B CN108896602 B CN 108896602B
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- temperature
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N25/00—Investigating or analyzing materials by the use of thermal means
- G01N25/02—Investigating or analyzing materials by the use of thermal means by investigating changes of state or changes of phase; by investigating sintering
- G01N25/12—Investigating or analyzing materials by the use of thermal means by investigating changes of state or changes of phase; by investigating sintering of critical point; of other phase change
Abstract
The invention discloses a heat conduction temperature measuring device which is used for measuring the temperature value required by deformation or reaction of a temperature measuring sample and comprises a temperature control display instrument used for measuring and displaying the temperature, a temperature measuring heat conduction medium and a heating medium used for heating the middle position of the temperature measuring heat conduction medium, wherein one end of the temperature measuring heat conduction medium is fixedly contacted with the temperature measuring sample, and the other end of the temperature measuring heat conduction medium is connected with the temperature control display instrument. The heat conduction temperature measuring device can realize the measurement of the temperature value required by the deformation or reaction of the temperature measuring sample, and has simple structure and high precision.
Description
Technical Field
The invention relates to a heat conduction temperature measuring device and a temperature measuring method using the same.
Background
At present, in industry or life, the temperature control is particularly important, the temperature is a physical quantity representing the cold and hot degrees of an object, the temperature control has close relation with human life, industrial and agricultural production and scientific research, any two objects with different cold and hot degrees are contacted, a heat exchange phenomenon is inevitably generated, heat is transferred from the object with high heated degree to the object with low heated temperature until the cold and hot degrees of the two objects are completely consistent, and temperature measurement is realized when a heat balance state is reached.
In the prior art, the method is divided into two categories, namely contact temperature measurement and non-contact temperature measurement, only according to whether a measuring body is in contact with a measured medium or not. The contact type temperature measurement is based on the heat balance principle, and the temperature measurement sensitive element must be in contact with the measured medium, so that the temperature measurement sensitive element and the measured medium are in the same heat balance state and have the same temperature, and the method is used for measuring the temperature, such as a mercury thermometer, a thermocouple thermometer and the like. The non-contact temperature measurement utilizes the thermal radiation principle of substances, and the temperature measuring element does not need to be in contact with a measured medium, but judges the temperature by receiving the radiant heat emitted by a measured object, such as an infrared thermometer, an optical fiber thermometer and the like. However, in actual life, the temperature measurement methods have certain disadvantages due to use conditions and the like, and the test work of the actual required temperature cannot be realized. The contact type temperature measurement is delayed, the non-contact type temperature measurement is easily influenced by distance, smoke dust, water vapor and the like, and the measurement of the real decomposition temperature of the heated easily-decomposed material cannot be performed when the measurement precision is inaccurate.
Disclosure of Invention
The technical problem to be solved by the invention is to overcome the defects of the prior art and provide a heat conduction temperature measuring device which can realize the measurement of the temperature value required by the deformation or reaction of a temperature measuring sample and has simple structure and high precision.
In order to solve the technical problems, the technical scheme of the invention is as follows: a heat conduction temperature measuring device for measuring
The temperature value required by the deformation or reaction of the temperature sample comprises:
the temperature control display instrument is used for measuring and displaying the temperature;
a temperature measuring heat conduction medium, one end of which is contacted with the temperature measuring sample
The other end of the temperature measuring heat conduction medium is connected with the temperature control display instrument;
and the heating medium is used for heating the middle position of the temperature measuring heat conduction medium.
Furthermore, the temperature measuring heat conduction medium is a copper bar or a copper sheet.
Furthermore, the temperature measuring heat conduction medium is an aluminum bar or an aluminum sheet.
Further, the length of the temperature measuring heat conduction medium is 25-30 cm.
The invention also provides a temperature measuring method using the heat conduction temperature measuring device, which comprises the following steps:
(1) one end of the temperature measuring heat conduction medium is contacted and fixed with the temperature measuring sample, and the other end of the temperature measuring heat conduction medium is contacted and fixed with the temperature measuring sample
Is connected with a temperature control display instrument;
(2) heating the middle position of the temperature measuring heat conduction medium by the heating medium, and observing the temperature measuring sample when
And reading the temperature value displayed by the temperature control display instrument when the surface of the temperature measurement sample is observed to deform or react, wherein the temperature value is the temperature value required by the deformation or reaction of the temperature measurement sample.
After the technical scheme is adopted, the method selects the copper bar or the aluminum bar or the copper sheet or the aluminum sheet with the length of 25 cm-30 cm
The temperature measuring device is used as a temperature measuring heat conduction medium, one end of the selected temperature measuring heat conduction medium is contacted and fixed with a temperature measuring sample, the other end of the selected temperature measuring heat conduction medium is connected with a temperature control display instrument, then the middle position of the temperature measuring heat conduction medium is selected as a temperature measuring hot spot, heating is started to carry out a test temperature measuring test of the temperature measuring sample, and when the surface of the temperature measuring sample is seen to deform or react, the temperature value displayed by the temperature control display instrument is read, wherein the temperature value is the temperature value required by the deformation or reaction of the temperature measuring sample; the invention selects excellent heat-conducting material, and has high temperature measurement effect; the invention selects equidistant positions for heating test, and the temperature measurement precision is high; the invention has simple equipment and easy implementation.
Drawings
FIG. 1 is a schematic structural diagram of a thermal conduction temperature measuring device according to the present invention.
Detailed Description
In order that the present invention may be more readily and clearly understood, a more particular description of the invention briefly described above will be rendered by reference to specific embodiments that are illustrated in the appended drawings.
Example one
As shown in figure 1, a heat conduction temperature measuring device is used for measuring the temperature value required by the deformation or reaction of a temperature measuring sample 1,
it includes:
a temperature control display instrument 2 for measuring and displaying temperature;
a temperature measuring heat conduction medium 3, one end of the temperature measuring heat conduction medium 3 is contacted with the temperature measuring sample 1
The other end of the temperature measuring heat conduction medium 3 is connected with the temperature control display instrument 2;
and a heating medium 4 for heating the middle position of the temperature measuring heat conduction medium 3.
The temperature measuring heat conduction medium 3 is a copper bar or sheet or an aluminum bar or sheet.
As shown in FIG. 1, the length of the temperature measuring heat conducting medium 3 is 25-30 cm.
Example two
A temperature measuring method using the thermal conduction temperature measuring device according to the first embodiment, the method comprising:
(1) one end of a temperature measurement heat conduction medium 3 is contacted and fixed with a temperature measurement sample 1, and the other end of the temperature measurement heat conduction medium 3 is connected with a temperature control display instrument 2;
(2) heating the middle position of the temperature measuring heat conduction medium 3 by the heating medium 4, and observing
When the temperature measurement sample 1 is observed to deform or react on the surface of the temperature measurement sample 1, reading a temperature value displayed by the temperature control display instrument 2, wherein the temperature value is a temperature value required by deformation or reaction of the temperature measurement sample 1.
The working principle of the invention is as follows:
the invention selects a copper bar or an aluminum bar or a copper sheet or an aluminum sheet with the length of 25 cm-30 cm as a temperature-measuring heat-conducting medium 3,
then one end of the selected temperature-measuring heat-conducting medium 3 is contacted and fixed with the temperature-measuring sample 1, the other end is connected with the temperature-controlling display instrument 2, then the middle position of the temperature-measuring heat-conducting medium 3 is selected as a temperature-measuring heated point, heating is started to carry out a test temperature-measuring test of the temperature-measuring sample 1, and when the surface of the temperature-measuring sample 1 is seen to be deformed or reacted, the temperature value displayed by the temperature-controlling display instrument 2 is read, wherein the temperature value is the temperature value required by the deformation or reaction of the temperature-measuring sample 1; the invention selects excellent heat-conducting material, and has high temperature measurement effect; the invention selects equidistant positions for heating test, and the temperature measurement precision is high; the invention has simple equipment and easy implementation.
The above embodiments are described in further detail to solve the technical problems, technical solutions and advantages of the present invention, and it should be understood that the above embodiments are only examples of the present invention and are not intended to limit the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (4)
1. A temperature measuring method of a heat conduction temperature measuring device is used for measuring the temperature required by deformation or reaction of a temperature measuring sample (1)
The value, which is characterized in that,
the heat conduction temperature measuring device includes:
a temperature control display instrument (2) for measuring and displaying temperature;
a temperature measuring heat conduction medium (3), one end of the temperature measuring heat conduction medium (3) is contacted with the temperature measuring sample (1)
The other end of the temperature measuring heat conduction medium (3) is connected with the temperature control display instrument (2);
a heating medium (4) for heating the middle position of the temperature measuring heat conduction medium (3); wherein the content of the first and second substances,
the method comprises the following steps:
(1) one end of the temperature measurement heat conduction medium (3) is contacted and fixed with the temperature measurement sample (1), and the other end of the temperature measurement heat conduction medium (3) is connected with the temperature control display instrument (2);
(2) heating the middle position of the temperature measuring heat conduction medium (3) by using the heating medium (4), and observing and measuring
When the surface of the temperature measurement sample (1) is observed to deform or react, the temperature value displayed by the temperature control display instrument (2) is read, and the temperature value is the temperature value required by the deformation or reaction of the temperature measurement sample (1).
2. The temperature measuring method of the thermally conductive temperature measuring device according to claim 1, wherein: the temperature measuring heat
The conducting medium (3) is a copper bar or a copper sheet.
3. The temperature measuring method of the thermally conductive temperature measuring device according to claim 1, wherein: the temperature measuring heat
The conducting medium (3) is an aluminum bar or an aluminum sheet.
4. The temperature measuring method of the thermally conductive temperature measuring device according to claim 1, wherein: the temperature measuring heat
The length of the conducting medium (3) is 25-30 cm.
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