Thermocouple temperature measurement device and temperature measurement method for brazing
A temperature measuring device and thermocouple technology, applied in the direction of using electrical devices, measuring devices, thermometers with electrical/magnetic components directly sensitive to heat, etc., can solve the problem of inaccurate parameter monitoring, difficult operation, and poor contact, etc. problems, to achieve the effect of ensuring product quality
Active Publication Date: 2015-04-08
CHINA HANGFA GUIZHOU LIYANG AVIATION POWER CO LTD
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Problems solved by technology
When brazing in an aero-engine furnace, in order to ensure the control of the brazing temperature of the parts, it is necessary to use a load thermocouple to contact the parts. The thermocouple has a certain rigidity. At present, the binding method is often used to make it contact with the parts, which is not good. Accessible and difficult to operate, resulting in inaccurate parameter monitoring
Method used
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[0017] The technical solution of the present invention is further described below, but the scope of protection is not limited to the description.
[0018] Such as figure 1 , 2 and image 3 A thermocouple temperature measuring device for brazing; including a thermocouple 1, a test sample 2 and a part 3, the inside of the test sample 2 has a U-shaped groove, and the thermocouple 1 is placed in the U of the test sample 2 At the bottom of the groove, the test sample 2 is placed on the part 3, and the opening of the U-shaped groove of the test sample 2 is downward, and the material of the test sample 2 is the same as that of the part 3.
[0019] The operation steps are as follows:
[0020] a. Apply a flow blocking agent on the bottom of the test sample 2, and the flow blocking agent is one or more compositions such as aluminum oxide, titanium oxide, and magnesium oxide;
[0021] b. Insert the thermocouple 1 into the test sample 2;
[0022] c. Place the test sample 2 of the ins...
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The invention provides a thermocouple temperature measurement device and a temperature measurement method for brazing. The thermocouple temperature measurement device for brazing comprises a thermocouple, a detection sample and a part, wherein a U-shaped groove is arranged in the detection sample; the thermocouple is placed on the bottom part of the U-shaped groove of the detection sample; the detection sample is placed on the part; the opening of the U-shaped groove of the detection sample is downward. With the use of the device, the brazing temperature of the part can be accurately controlled, the device is provided for temperature measurement of each stage of brazing of an aircraft engine, and the brazing product quality of the engine is ensured.
Description
technical field [0001] The invention relates to a brazing device, in particular to a thermocouple temperature measuring device for brazing. Background technique [0002] Brazing is to use a metal material with a lower melting point than the base metal as the solder, heat the weldment and the solder to a temperature higher than the melting point of the solder and lower than the melting temperature of the base metal, use liquid solder to wet the base metal, fill the gap between the joints and The method of interdiffusion with the base metal to realize the connection of the weldment. The brazing deformation is small, and the joint is smooth and beautiful. It is suitable for welding precision, complex and components composed of different materials, such as honeycomb structure plates, turbine blades, hard alloy tools and printed circuit boards. When brazing in an aero-engine furnace, in order to ensure the control of the brazing temperature of the parts, it is necessary to use a...
Claims
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IPC IPC(8): G01K7/04B23K3/08
Inventor 敖斌罗运芬史洽
Owner CHINA HANGFA GUIZHOU LIYANG AVIATION POWER CO LTD