CN109238498B - Method for manufacturing temperature indicating paint standard sample - Google Patents

Method for manufacturing temperature indicating paint standard sample Download PDF

Info

Publication number
CN109238498B
CN109238498B CN201810879876.6A CN201810879876A CN109238498B CN 109238498 B CN109238498 B CN 109238498B CN 201810879876 A CN201810879876 A CN 201810879876A CN 109238498 B CN109238498 B CN 109238498B
Authority
CN
China
Prior art keywords
temperature
indicating paint
sample
temperature indicating
paint sample
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201810879876.6A
Other languages
Chinese (zh)
Other versions
CN109238498A (en
Inventor
周峰
王龙南
姜世界
杨灿
童剑
熊义彬
陆文玲
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hunan Aviation Powerplant Research Institute AECC
Original Assignee
Hunan Aviation Powerplant Research Institute AECC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hunan Aviation Powerplant Research Institute AECC filed Critical Hunan Aviation Powerplant Research Institute AECC
Priority to CN201810879876.6A priority Critical patent/CN109238498B/en
Publication of CN109238498A publication Critical patent/CN109238498A/en
Application granted granted Critical
Publication of CN109238498B publication Critical patent/CN109238498B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01KMEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K11/00Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00
    • G01K11/12Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00 using changes in colour, translucency or reflectance
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01KMEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K15/00Testing or calibrating of thermometers
    • G01K15/002Calibrated temperature sources, temperature standards therefor

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radiation Pyrometers (AREA)
  • Testing Or Measuring Of Semiconductors Or The Like (AREA)

Abstract

The invention discloses a method for manufacturing a temperature indicating paint standard sample wafer.A constant temperature area with settable temperature is formed by utilizing heating equipment, and a gradient temperature field from the set temperature to room temperature is formed between the constant temperature area and a pipe orifice of a furnace pipe; according to the first temperature indicating paint sample wafer with the proper size of the structural design of the temperature field, the temperature gradient of the whole temperature field is displayed on the first temperature indicating paint sample wafer in a baking mode of the furnace. And in addition, thermocouples are arranged on the second temperature indicating paint sample sheet and the first temperature indicating paint sample sheet at the corresponding isothermal lines, and the second temperature indicating paint sample sheet and the first temperature indicating paint sample sheet are placed on heating equipment in the same way to obtain the corresponding temperature values at the isothermal lines. The temperature indicating paint sample sheet is arranged according to the furnace tube of the heating equipment, the temperature of the constant temperature area is set as the upper limit value of the temperature measuring range of the temperature indicating paint, the temperature indicating paint sample sheet is heated in the temperature field formed in the heating equipment, the color display of the whole temperature range is realized, the method is simple, and the operation is easy. The manufacturing method has higher accuracy and reliability of temperature calibration.

Description

Method for manufacturing temperature indicating paint standard sample
Technical Field
The invention relates to the technical field of aeroengine temperature testing, in particular to a method for manufacturing a temperature indicating paint standard sample.
Background
The temperature indicating paint is a special functional paint prepared by mixing a color indicator, an adhesive and a filler according to a certain proportion, and can change the color of the paint along with the change of the external temperature. The temperature measurement of the temperature indicating paint is to measure the temperature by utilizing the characteristic that the temperature indicating paint shows a specific color in a specific temperature range. As a contact and non-interference temperature testing method, the temperature measurement of the temperature indicating paint has the characteristics of no damage to the surface shape of an object, no change of the air flow state, no need of a test lead wire, no need of a test window, convenient use, intuitive measurement result and the like, and is unique for measuring the wall surface temperature of a high-temperature high-speed rotating component and a complex component and displaying large-area temperature distribution. The method is widely applied to the field of surface temperature measurement of high-temperature parts of aero-engines at present.
When the temperature measurement test of the temperature indicating paint of the engine is carried out, firstly, according to the test technical requirements and the prejudgment of the temperature range of the wall surface of the part to be tested, the multi-color irreversible temperature indicating paint of the corresponding type is selected, and temperature indicating paint standard sample wafers of the same type and batch are manufactured. Before testing, after the surface of the tested part is subjected to sand blasting, cleaning, acetone cleaning and other process treatments, the temperature indicating paint is uniformly sprayed on the surface of the tested part, dried and cured at normal temperature for one day or in an oven for several hours, and then assembled and subjected to the temperature indicating paint test. And after the test is finished, decomposing the parts, and taking the same type of temperature indicating paint standard sample wafer in the same batch as a reference to judge the temperature of the temperature indicating paint on the color changing result of the temperature indicating paint on the surface of the measured parts to obtain the surface temperature and the temperature distribution of the measured parts. The whole temperature measuring process is shown in the attached figure 1.
The manufacture of the standard sample of the temperature indicating paint is always a key link and a difficult part in temperature measurement of the temperature indicating paint, is the basis and the basis for temperature interpretation of the temperature indicating paint, and is directly related to the precision and the reliability of temperature measurement of the temperature indicating paint. For a long time, the manufacturing methods of the temperature indicating paint standard sample are divided into two genres: a color space-based manufacturing method and an isotherm-based manufacturing method. The invention discloses a method for manufacturing a temperature indicating paint standard sample based on an isotherm.
Disclosure of Invention
The invention provides a method for manufacturing a temperature indicating paint standard sample, which aims to solve the technical problems that the color change trend of the temperature indicating paint standard sample with more color change points is not obvious and the calibration is difficult in the prior art.
The technical scheme adopted by the invention is as follows:
a method for manufacturing a temperature indicating paint standard sample comprises the following steps:
s1, setting the set temperature of the constant temperature area of the heating equipment as the upper limit value of the temperature measuring range of the temperature indicating paint; preparing a first temperature-indicating paint sample sheet;
s2, when the heating of the constant temperature area of the heating equipment is completed and the temperature is stable, pushing the first temperature indicating paint sample wafer prepared in the step S1 into the heating equipment for heating, and enabling the first temperature indicating paint sample wafer to be at least distributed into the constant temperature area from a pipe orifice of a furnace pipe of the heating equipment;
s3, after the first temperature-indicating paint sample sheet is heated in the constant-temperature area for a preset time, taking the first temperature-indicating paint sample sheet out of the heating equipment;
s4, taking a second temperature indicating paint sample, arranging thermocouples for measuring temperature at the corresponding isothermal lines on the second temperature indicating paint sample according to the position information of the isothermal lines on the first temperature indicating paint sample obtained in the step S3, and carrying out the operations from the step S2 to the step S3 on the second temperature indicating paint sample;
and S5, recording the temperature values measured by the thermocouples at the isothermal lines of the second temperature indicating paint sample in the step S4, and completing the manufacture of the temperature indicating paint standard sample.
Further, the length of the furnace tube of the heating device is at least 0.6 m.
Further, the heating device is one of a medium-temperature tube furnace, a multi-temperature-zone high-temperature tube furnace, an open-type tube furnace and an infrared lamp tube heating tube furnace.
Furthermore, the first temperature indicating paint sample wafer and the second temperature indicating paint sample wafer are both rectangular sample wafers, and the width of each sample wafer is smaller than the diameter of each furnace tube.
Further, in the step S2, one end of the first temperature indicating paint sample is placed in the constant temperature area, and the other end of the first temperature indicating paint sample is placed at the furnace opening of the furnace tube.
Further, in the step S3, the first temperature indicating paint sample is taken out of the heating device after reaching the thermal equilibrium for 5min to 10 min.
Furthermore, the number of the thermocouples distributed on each isotherm of the second temperature indicating paint sample sheet is at least two.
Further, the thermocouple is connected with a temperature measuring system for displaying the temperature value of the thermocouple.
Furthermore, the first temperature indicating paint sample sheet and the second temperature indicating paint sample sheet are made of the same material as the part to be measured.
Further, the thickness of the first temperature indicating paint sample sheet and the thickness of the second temperature indicating paint sample sheet are 1-4 mm.
According to another aspect of the invention, the temperature indicating paint standard sample prepared by the preparation method of the temperature indicating paint standard sample is also disclosed.
The invention has the following beneficial effects:
the invention relates to a method for manufacturing a temperature indicating paint standard sample wafer, which comprises the steps of forming a constant temperature area with settable temperature by utilizing heating equipment, and forming a gradient temperature field from the set temperature to room temperature between the constant temperature area and a pipe orifice of a furnace tube; according to the first temperature indicating paint sample wafer with the proper size of the structural design of the temperature field, the temperature gradient of the whole temperature field is displayed on the first temperature indicating paint sample wafer in a baking mode of the furnace. And in addition, thermocouples are arranged on the second temperature indicating paint sample sheet and the first temperature indicating paint sample sheet at the corresponding isothermal lines, the second temperature indicating paint sample sheet and the first temperature indicating paint sample sheet are placed on the heating equipment, and the thermocouples are used for measuring the corresponding temperature values at the isothermal lines. In the manufacturing method, the temperature indicating paint sample wafer is arranged according to the furnace tube of the heating equipment, the temperature of the constant temperature area is set as the upper limit value of the temperature measuring range of the temperature indicating paint, and the temperature indicating paint sample wafer is heated in the temperature field formed in the heating equipment, so that the color display of the whole temperature area can be realized on the sample wafer, and the method is simple and easy to operate. According to the manufacturing method, the temperature at the isothermal line can be accurately measured by using the thermocouple, and the accuracy and the reliability of temperature calibration are higher.
The temperature indicating paint on the temperature indicating paint standard sample piece has more obvious color transition, clear isotherm position and more definite area distribution.
In addition to the objects, features and advantages described above, other objects, features and advantages of the present invention are also provided. The present invention will be described in further detail below with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a flow chart of temperature measurement of an engine temperature indicating paint;
FIG. 2 is a schematic diagram of a method for manufacturing a standard sample of temperature indicating paint based on a color space;
FIG. 3 is a schematic diagram of the principle of the method for manufacturing the standard sample of temperature indicating paint according to the preferred embodiment of the present invention.
Description of reference numerals:
1. a temperature-indicating paint sample sheet; 2. a constant temperature area; 3. a heating device; 4. a furnace tube; 5. a thermocouple; 6. a temperature measurement system.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
The preferred embodiment of the invention provides a method for manufacturing a temperature indicating paint standard sample, which comprises the following steps:
s1, setting the set temperature of the constant temperature area 2 of the heating equipment 3 as the upper limit value of the temperature measuring range of the temperature indicating paint; preparing a first temperature-indicating paint sample sheet; s2, when the constant temperature area 2 of the heating equipment 3 is heated and the temperature is stable, pushing the first temperature indicating paint sample wafer prepared in the step S1 into the heating equipment 3 for heating, and enabling the first temperature indicating paint sample wafer to be at least distributed into the constant temperature area 2 from the pipe orifice of the furnace tube 4 of the heating equipment 3; s3, after the first temperature-indicating paint sample is heated in the constant-temperature area 2 for a preset time, taking the first temperature-indicating paint sample out of the heating equipment 3; s4, taking a second temperature indicating paint sample, arranging thermocouples 5 for measuring temperature at the corresponding isothermal lines on the second temperature indicating paint sample according to the position information of the isothermal lines on the first temperature indicating paint sample obtained in the step S3, and carrying out the operations from the step S2 to the step S3 on the second temperature indicating paint sample; and S5, recording the temperature values measured by the thermocouples 5 at the isothermal lines of the second temperature indicating paint sample in the step S4, and thus finishing the manufacture of the temperature indicating paint standard sample. Referring to fig. 3, a schematic diagram of a manufacturing method of a temperature-indicating paint standard sample wafer.
The manufacturing method of the temperature indicating paint standard sample based on the color space generally adopts a mode of 'oven baking type + square sample', the mode focuses on the slight change of the color of the temperature indicating paint, one temperature indicating paint standard sample is baked at an interval of 10 ℃, and the color change trend of the temperature indicating paint is detailed and obvious.
When the temperature indicating paint standard sample is manufactured by using a method based on a color space, the selected heating equipment 3 is a high-precision temperature calibration furnace, and the sample is a square sample (the size is generally 20mm multiplied by 10mm multiplied by 1mm) with a small structure. Setting the temperature of a calibration furnace as the lower limit of a temperature measuring range of a temperature indicating paint, sending a square sample wafer into a constant temperature area 2 of a furnace core of the calibration furnace by using a special tool after the temperature of the calibration furnace reaches a set value, taking out the square sample wafer after the temperature of the calibration furnace reaches a thermal equilibrium stability for five minutes, and marking a temperature value on the sample wafer. And then, increasing the temperature setting value of the calibration furnace by 10 ℃, and repeating the operation until the temperature-indicating paint standard sample wafer at the upper limit of the temperature-indicating paint temperature measurement range is manufactured. A schematic diagram of a method for manufacturing a temperature indicating paint standard sample based on a color space is shown in fig. 2.
In the method for manufacturing the temperature indicating paint standard sample provided by the preferred embodiment of the invention, the first temperature indicating paint sample is taken out from the heating device 3 in the step S3 and then naturally cooled, so that the sample with gradually changed color is obtained; since the second temperature indicating paint sample is obtained by the same method as the first temperature indicating paint sample, the temperature value at each isotherm on the second temperature indicating paint sample recorded in step S5 is the same as the temperature value at the isotherm on the sample with the gradually changing color obtained above. That is, the sample with the color gradient obtained in step S3 is combined with the temperature values at the isotherms recorded in step S5 to form a standard sample of the temperature indicating paint to be produced. Preferably, the temperature values recorded in step S5 are marked on the sample with gradually changed color obtained in step S3, or the temperature values may be recorded, and as long as they correspond to the isotherms on the sample with gradually changed color one by one, they can be used as a standard sample of temperature indicating paint for measuring the wall temperature and the large-area temperature distribution of the component to be measured. The lengths of the first temperature indicating paint sample sheet and the second temperature indicating paint sample sheet meet the requirement that the first temperature indicating paint sample sheet and the second temperature indicating paint sample sheet are at least distributed into the constant temperature area 2 from the pipe orifice of the furnace tube 4 of the heating equipment 3 so as to show the temperature distribution of the whole temperature field in the heating equipment 3 by using color change.
The manufacturing method of the temperature indicating paint standard sample wafer provided by the preferred embodiment of the invention is a manufacturing method of a temperature indicating paint standard blade based on an isotherm, a constant temperature area 2 with a settable temperature is formed by utilizing a heating device 3, and a gradient temperature field from the set temperature to the room temperature is formed between the constant temperature area 2 and a pipe orifice of a furnace tube 4; according to the first temperature indicating paint sample wafer with the proper size of the structural design of the temperature field, the temperature gradient of the whole temperature field is displayed on the first temperature indicating paint sample wafer in a baking mode of the furnace. In addition, thermocouples 5 are arranged at the corresponding isothermal lines on the second temperature-indicating paint sample sheet and the first temperature-indicating paint sample sheet, the second temperature-indicating paint sample sheet and the first temperature-indicating paint sample sheet are also placed on the heating equipment 3, and the thermocouples 5 are used for measuring the corresponding temperature values at the isothermal lines. In the preferred embodiment, the thermocouple 5 is welded to the second temperature indicating paint sample piece. Other means of attachment may also be used. In the manufacturing method, the temperature indicating paint sample wafer 1 is arranged according to the furnace tube 4 of the heating device 3, the temperature of the constant temperature area 2 is set as the upper limit value of the temperature measuring range of the temperature indicating paint, the temperature indicating paint sample wafer 1 is heated in the temperature field formed in the heating device 3, and the color display of the whole temperature range can be realized on the sample wafer. According to the manufacturing method, the temperature at the isothermal line can be accurately measured by using the thermocouple 5, and the accuracy and the reliability of temperature calibration are higher.
Preferably, the heating device 3 is one of a medium-temperature tube furnace, a multi-temperature-zone high-temperature tube furnace, an open-type tube furnace, and an infrared tube heating tube furnace. In the preferred embodiment, the preferred conditions that the heating device 3 needs to satisfy are high temperature control accuracy, good stability of the temperature field, and a gradual temperature field with a temperature range from room temperature to about 1300 ℃. The length of the furnace tube 4 of the heating device 3 is at least 0.6 m. Can place temperature indicating paint sample wafer 1 of sufficient length in order to guarantee to make and form the temperature field of sufficient gradient between the mouth of pipe of thermostatic zone 2 and boiler tube 4, make the temperature variation trend more obvious, the colour transition that produces on the temperature indicating paint sample wafer 1 is more obvious, and the isotherm position is more clear, and is more accurate to the temperature variation test of part. The preferred furnace tube 4 may have a length of 1.2 m. The length of the furnace tube 4 is determined according to different color changing characteristics of the temperature indicating paint.
Preferably, the first temperature indicating paint sample sheet and the second temperature indicating paint sample sheet are both rectangular sample sheets, and the width of the first temperature indicating paint sample sheet and the second temperature indicating paint sample sheet is smaller than the diameter of the furnace tube 4. The first temperature indicating paint sample sheet and the second temperature indicating paint sample sheet need to be placed in the furnace tube 4 of the heating device 3 for heating, and therefore need to be made into a shape suitable for the furnace tube 4, and the width of the first temperature indicating paint sample sheet and the second temperature indicating paint sample sheet is smaller than the diameter of the furnace tube 4, so as to be convenient for placing, taking out and heating in the furnace tube 4. Meanwhile, the temperature indicating paint sample sheet 1 is made into a rectangle, which is beneficial to showing the temperature gradient change of the whole temperature field in the furnace tube 4.
Preferably, in step S2, one end of the first temperature indicating paint sample is placed in the constant temperature region 2, and the other end is placed at the furnace opening of the furnace tube 4. The second temperature indicating paint sample is placed at the same position in the heating device 3 as the first temperature indicating paint sample. The two ends of the first temperature indicating paint sample wafer are respectively placed at the furnace mouths of the constant temperature area 2 and the furnace tube 4, the constant temperature area 2 is the highest temperature area in the heating equipment 3, the set value of the constant temperature area is the upper limit of the temperature measurable range of the temperature indicating paint, and the temperature of the furnace mouth is the room temperature, so that the temperature indicating paint sample wafer 1 can completely show the gradient change of the whole temperature field in the furnace tube 4, namely the temperature change from the room temperature to the temperature measuring upper limit of the temperature indicating paint.
Preferably, in step S3, the first temperature indicating paint sample is removed from the heating apparatus 3 after reaching thermal equilibrium for 5min to 10 min. The first temperature indicating paint sample wafer can be taken out from the heating equipment 3 after reaching thermal balance and stability, and after natural cooling, the color change of the whole temperature range from room temperature to the temperature measuring upper limit of the temperature indicating paint is displayed on the first temperature indicating paint sample wafer, and meanwhile, the position information of each isotherm is also obtained.
Preferably, the number of thermocouples 5 arranged on each isotherm of the second temperature indicating paint sample piece is at least two. The thermocouples 5 arranged on the isotherms are used to measure the temperature of the temperature field placed in the heating device 3 and to match the temperature to the respective isotherms. In order to avoid the thermocouples 5 from affecting the temperature measurement in effect, a plurality of thermocouples 5 are provided on each isotherm.
Preferably, the thermocouple 5 is connected with a temperature measuring system 6 for displaying the temperature value thereof. The thermocouple 5 is preferably a high-precision wall thermocouple 5. The temperature measuring system 6 is a known existing measuring system, and is connected to the thermocouple 5, and can be used for displaying temperature data measured by the thermocouple 5. The thermocouple 5 is arranged at the isotherm position of the second temperature indicating paint sample wafer, is connected with the temperature measuring system 6, and can be used for measuring the temperature value of each isotherm position on the temperature indicating paint sample wafer 1, so that the temperature of the temperature indicating paint color change result on the surface of the measured part is judged, and the surface temperature and the temperature distribution of the measured part are obtained.
Preferably, the first temperature indicating paint sample sheet and the second temperature indicating paint sample sheet are made of the same material as the part to be measured. The material of the temperature indicating paint sample sheet 1 is the same as that of the part to be measured, the surface temperature change of the part to be measured is judged according to the color change of the temperature indicating paint on the same material, and the measuring result is more accurate.
Preferably, the thickness of the first temperature-indicating paint sample sheet and the second temperature-indicating paint sample sheet is 1 mm-4 mm. When the thickness of the temperature indicating paint sample sheet 1 is more than 4mm, the temperature of the upper surface and the temperature of the lower surface of the sample sheet are inconsistent when the sample sheet is heated in the heating equipment 3, and the temperature measuring result of the thermocouple 5 is directly influenced; the thickness of the temperature indicating paint sample sheet 1 is less than 1mm, and the sample sheet is easy to deform when the temperature is too high, so that the temperature test result of the part to be tested can be influenced. Preferably, in this embodiment, the dimensions of the first temperature indicating paint sample sheet and the second temperature indicating paint sample sheet are 500mm × 40mm × 2mm (length × width × thickness), which are the adaptive dimensions for selecting the tubular intelligent temperature controller for the heating device 3.
According to another aspect of the invention, the temperature indicating paint standard sample prepared by the preparation method of the temperature indicating paint standard sample is also provided. The temperature indicating paint on the temperature indicating paint standard sample plate manufactured by the preferred embodiment of the invention has more obvious color transition, clear isothermal line position and more definite area distribution. The isothermal line position on the above-mentioned temperature indicating paint standard sample piece is very clear, and the thermocouple 5 of welding on it can relatively accurately represent the temperature of isothermal line department, and temperature calibration accuracy and reliability are higher.
The invention provides a method for manufacturing a novel temperature-indicating paint standard sample wafer based on an isothermal line, which solves the problems that the color change trend of the temperature-indicating paint standard sample wafer with more color change points is not obvious enough and the calibration is difficult, and provides a more accurate and reliable interpretation basis for the temperature interpretation of an aeroengine temperature-indicating paint test. The temperature indicating paint standard sample wafer based on the isotherm, which is manufactured by the invention, is applied to temperature interpretation of temperature indicating paint tests of complete engines and combustion chamber parts of various models, and the interpretation result and the temperature measurement result of the thermocouple 5 are verified mutually, so that the temperature indicating paint temperature interpretation result based on the temperature interpretation result is accurate and reliable.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. The manufacturing method of the temperature indicating paint standard sample is characterized by comprising the following steps of:
s1, setting the set temperature of the constant temperature area (2) of the heating equipment (3) as the upper limit value of the temperature measuring range of the temperature indicating paint; preparing a first temperature-indicating paint sample sheet;
s2, when the constant temperature area (2) of the heating equipment (3) is heated and the temperature is stable, pushing the first temperature indicating paint sample wafer prepared in the step S1 into the heating equipment (3) for heating, and enabling the first temperature indicating paint sample wafer to be at least distributed into the constant temperature area (2) from a pipe orifice of a furnace pipe (4) of the heating equipment (3);
s3, after the first temperature-indicating paint sample sheet is heated in the constant-temperature area (2) for a preset time, taking the first temperature-indicating paint sample sheet out of the heating equipment (3);
s4, taking a second temperature indicating paint sample, arranging thermocouples (5) for measuring temperature at the corresponding isothermal lines on the second temperature indicating paint sample according to the position information of the isothermal lines on the first temperature indicating paint sample obtained in the step S3, and carrying out the operations of the steps S2 to S3 on the second temperature indicating paint sample;
and S5, recording the temperature values measured by the thermocouples (5) at the isothermal lines of the second temperature-indicating paint sample in the step S4, and completing the manufacture of the temperature-indicating paint standard sample.
2. The method for making a standard sample of temperature indicating paint as claimed in claim 1,
the length of a furnace tube (4) of the heating device (3) is at least 0.6 m.
3. The method for making a standard sample of temperature indicating paint as claimed in claim 1,
the first temperature indicating paint sample wafer and the second temperature indicating paint sample wafer are both rectangular sample wafers, and the width of each sample wafer is smaller than the diameter of each furnace tube (4).
4. The method for making a standard sample of temperature indicating paint as claimed in claim 1,
in the step S2, one end of the first temperature indicating paint sample is placed in the constant temperature area (2), and the other end is placed at the mouth of the furnace tube (4).
5. The method for making a standard sample of temperature indicating paint as claimed in claim 1,
and in the step S3, taking out the first temperature-indicating paint sample piece from the heating device (3) after the first temperature-indicating paint sample piece reaches the thermal equilibrium for 5-10 min.
6. The method for making a standard sample of temperature indicating paint as claimed in claim 1,
at least two thermocouples (5) are arranged on each isotherm of the second temperature-indicating paint sample sheet.
7. The method for making a standard sample of temperature indicating paint as claimed in claim 1,
the thermocouple (5) is connected with a temperature measuring system (6) for displaying the temperature value of the thermocouple.
8. The method for making a standard sample of temperature indicating paint as claimed in any one of claims 1 to 7,
the first temperature indicating paint sample sheet and the second temperature indicating paint sample sheet are made of the same material as the part to be measured.
9. The method for making a standard sample of temperature indicating paint as claimed in any one of claims 1 to 7,
the thickness of the first temperature-indicating paint sample sheet and the thickness of the second temperature-indicating paint sample sheet are 1-4 mm.
10. The method for manufacturing a standard sample of temperature indicating paint as claimed in any one of claims 1 to 9.
CN201810879876.6A 2018-08-03 2018-08-03 Method for manufacturing temperature indicating paint standard sample Active CN109238498B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810879876.6A CN109238498B (en) 2018-08-03 2018-08-03 Method for manufacturing temperature indicating paint standard sample

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810879876.6A CN109238498B (en) 2018-08-03 2018-08-03 Method for manufacturing temperature indicating paint standard sample

Publications (2)

Publication Number Publication Date
CN109238498A CN109238498A (en) 2019-01-18
CN109238498B true CN109238498B (en) 2020-03-24

Family

ID=65070292

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810879876.6A Active CN109238498B (en) 2018-08-03 2018-08-03 Method for manufacturing temperature indicating paint standard sample

Country Status (1)

Country Link
CN (1) CN109238498B (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103256994A (en) * 2013-05-14 2013-08-21 中国航空动力机械研究所 Bearing device of chameleon paint sample wafer and chameleon paint sample wafer manufacturing method

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51144435A (en) * 1975-06-06 1976-12-11 Furukawa Electric Co Ltd:The Thermosetting electro-conductive paint composed ot resin and carbon
JP2003013251A (en) * 2001-06-27 2003-01-15 Nippon Paint Co Ltd Method for coating metal material
CN102313607B (en) * 2010-06-30 2013-09-25 中国航空工业集团公司沈阳发动机设计研究所 Automatic identification method for temperature-change color of chameleon paint
CN101936843B (en) * 2010-07-12 2014-05-28 哈尔滨工业大学深圳研究生院 Strength bearing capacity determining method of concrete member reformed by carbon dioxide and application
CN102494351B (en) * 2011-11-16 2014-03-19 神华集团有限责任公司 Combustion furnace and method for monitoring inner lining of combustion furnace
CN102749153A (en) * 2012-07-26 2012-10-24 中国航空工业集团公司沈阳发动机设计研究所 Method for performing temperature interpretation of temperature indicating paint by applying spectrocolorimeter
CN203241171U (en) * 2013-04-12 2013-10-16 罗福仲 Thermochromic thermometer
CN203629720U (en) * 2013-05-17 2014-06-04 中国燃气涡轮研究院 Thermal paint temperature detection device
EP2896661A1 (en) * 2014-01-19 2015-07-22 IGP Pulvertechnik AG Powder paint in particulate and cured form with effect pigments and process for preparing powder paint with effect pigments
CN108181022B (en) * 2017-11-20 2019-12-03 北京动力机械研究所 Body surface temperature field three-dimensional reconstruction method based on temperature indicating paint measuring technology

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103256994A (en) * 2013-05-14 2013-08-21 中国航空动力机械研究所 Bearing device of chameleon paint sample wafer and chameleon paint sample wafer manufacturing method

Also Published As

Publication number Publication date
CN109238498A (en) 2019-01-18

Similar Documents

Publication Publication Date Title
CN105588667B (en) A kind of high-accuracy compensation by thermistor calibrating installation
CN203365021U (en) Portable temperature calibrator
CN108152325B (en) Method for calibrating heat conductivity instrument based on heat shield plate method
CN103424137B (en) Position calibration method and device thereof for distributed optical fiber sensing system
CN109580033A (en) A kind of concrete dam distributed optical fiber temperature measurement data error compensation method
CN106197751A (en) The thermometry in a kind of temperature field and device
CN105527038A (en) Error correction method for platinum thermal resistance sensor and calorimeter measuring temperature using the same method
CN105758208B (en) High-temperature heat treatment non-contact temperature uniformity detection system and its detection method
CN102507046B (en) Transformer thermometer calibrator
CN106770447A (en) The measurement apparatus and method of thermal conductivity factor under a kind of asphalt different temperatures
CN109238498B (en) Method for manufacturing temperature indicating paint standard sample
CN103743434B (en) Electric-hot-plate calibration method
CN103293178B (en) The method of testing of glass expansion coefficient
CN203534614U (en) Position calibration device used for distributed optical fiber sensing system
CN104749544A (en) Electromagnetic compatibility current probe transmission resistance temperature error correction method
CN104121993A (en) Absolute radiation heat flow meter calibration method
CN114354017B (en) Temperature field characteristic parameter detection device and detection method thereof
CN116242878A (en) Integrated test system and method for performance of thermal protection material
CN201047779Y (en) Electric thermo-couple with temperature correction and monitoring hole
Clayton Thin-film platinum for appliance temperature control
CN203191247U (en) Asphalt thin film oven capable of sensing temperature to start timing
CN109425633A (en) A kind of heat shrinkage film shrinking percentage test method and test device
CN203054641U (en) Chamber bubble system temperature control performance evaluation device
CN106370322A (en) Tungsten-rhenium thermocouple calibration system
Hohmann et al. Calibration of heat flux sensors with small heat fluxes

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant