High-temperature-resistant detection device
A detection device and high-temperature-resistant technology, which is applied in the field of high-temperature resistance detection and high-temperature test, can solve the problems of non-isothermal test fatigue test, failure to meet requirements, slow cooling speed, etc.
Active Publication Date: 2012-12-19
AECC COMML AIRCRAFT ENGINE CO LTD
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Problems solved by technology
[0003] However, since there are only heating units in this high-temperature furnace, when the workpiece to be inspected is put into this high-temperature furnace and the power is turned on to heat the heating unit, the heat of the heating unit will flow from one heating area to another. Rapid release, i.e. heat transfer is very fast
Therefore, the temperature of each area to be inspected (such as the upper, middle, and lower parts) of the workpiece to be inspected is approximately the same. Disadvantages of isothermal testing or thermomechanical fatigue testing
For some workpieces to be inspected that need to be tested at different temperatures in different areas, this existing high-temperature furnace does not meet the requirements
Method used
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[0035] like Figure 1-Figure 4 As shown, the high temperature resistance detection device includes a housing 10 , a heating unit 20 , a cooling unit 30 , a temperature detection unit 40 and a control unit 50 .
[0036] Specifically, the casing 10 is composed of an outer casing 11, an inner casing 12, and asbestos 13. The outer casing 11 is made of stainless steel plate, and six small holes and a probe 14 are opened on it, and the diameter of each small hole is the same as The outer diameters of the air inlet and outlet of the following cooling pipes are consistent, and the probe 14 can be used to observe the condition of the workpiece to be detected in the inner casing 12 . The asbestos 13 is filled between the outer casing 11 and the inner casing 12, and mainly plays the role of heat insulation and heat preservation. The inner casing 12 is made of ceramic heat-conducting material, and its inner wall is generally provided with six sections of annular grooves vertically spaced...
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A high-temperature-resistant detection device is characterized in that a first heating unit is arranged at a first position inside a shell and is used for heating; a first cooling unit is arranged at a second position in the shell and is used for cooling; a temperature detection unit is used for detecting a first actual temperature value of a first detection region and a second actual temperature value of a second detection region and sending the detected values to a control unit; and the control unit is electrically connected with the first heating unit, the first cooling unit and the temperature detection unit, a first preset temperature value and a second preset temperature value corresponding to the first detection region and the second detection region respectively are stored in the control unit, and the control unit is used for comparing the first actual temperature value and the second actual temperature value with the first preset temperature value and the second preset temperature value respectively so as to control at least one of the first heating unit and the first cooling unit. By adopting the high-temperature-resistant detection device, the workpiece to be detected can be heated and cooled simultaneously, and cooperation of the heating unit and the cooling unit can be realized by the controller, so that non-temperature-equalized heating is realized.
Description
technical field [0001] The invention relates to a high temperature resistant detection device for non-uniform temperature heating, in particular to a high temperature furnace, which belongs to the field of high temperature resistant detection and high temperature test. Background technique [0002] At present, the existing high-temperature furnace includes a shell, a heating unit arranged on the inner wall of the shell, and a control panel for controlling the power of the heating unit. The workpiece to be detected is placed inside the housing, and the heating power of the heating unit reaches the corresponding preset value through the control panel, and then the workpiece to be detected is heated to a predetermined temperature, and then various performance tests are performed on the workpiece . [0003] However, since there are only heating units in this high-temperature furnace, when the workpiece to be inspected is put into this high-temperature furnace and the power is t...
Claims
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Login to View More IPC IPC(8): G01M15/00G01M13/00
Inventor 侯乃先杨坤
Owner AECC COMML AIRCRAFT ENGINE CO LTD