Leakage detection structure, leakage detection device and leakage detection method
A technology for leak detection and leak detection, which is applied in the field of detectors in reactors, can solve the problem of low sealing performance of armored cable assemblies, and achieve the effect of increasing sealing performance and improving sealing performance.
Inactive Publication Date: 2021-06-29
CHINA INSTITUTE OF ATOMIC ENERGY
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[0004] In view of this, the embodiment of the present application expects to provide a leak detection structure, a leak detection device, and a leak detection method to check the tightness of the weld seam of the armored cable assembly, so as to solve the problem of low airtightness of the armored cable assembly
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[0050]It should be noted that, in the case of no conflict, the embodiments in the application and the technical features in the embodiments can be combined with each other. Undue Limitation of This Application.
[0051] The orientation terms in the description of the application are only for the convenience of describing the application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be construed as a reference to the application. limits.
[0052] An aspect of the embodiment of the present application provides a leak detection structure, see figure 1 , figure 2 , Figure 7 as well as Figure 8 As shown, it is used to test the tightness of the weld 7 of the armored cable assembly 300 , including the fixing part 1 and the sealing part 2 . The fixing part 1 has a cavity 1a with an open end and a leak detecti...
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The present invention discloses a leakage detection structure which is used for detecting the sealing performance of a welding seam of an armored cable assembly and comprises a fixing piece and a sealing piece. The fixing piece forms a cavity with an open end and a leakage detection opening communicated with the cavity, the leakage detection opening is used for being connected with a leakage detector, and the cavity is used for containing one end of the armored cable assembly. The sealing piece is arranged at one end of the armored cable assembly in a sleeving manner, so that the sealing performance of the armored cable assembly and the fixing piece is improved. The leakage detector can more accurately detect the sealing performance of the welding seam of the armored cable assembly at the outer side of the sealing element, so that the armored cable assembly with poor sealing performance can be identified, and the leakage detector has the advantage of improving the sealing performance of the armored cable assembly of an ionization chamber. The invention further provides a leakage detection device which is used for detecting the sealing performance of the welding seam of the armored cable assembly. The invention further provides a leakage detection method which is applied to the leakage detection device provided by the embodiment of the invention, is used for detecting the sealing performance of the welding seam of the armored cable assembly, and has the advantage of improving the sealing performance of the armored cable assembly.
Description
technical field [0001] The present application relates to the technical field of detectors in reactors, and in particular to a leak detection structure, a leak detection device and a leak detection method to test the tightness of weld seams of armored cable assemblies. Background technique [0002] The high-temperature fission ionization chamber is a sealed gas-filled detector with a maximum operating temperature of about 550°C. It is an important safety-level equipment for nuclear power plants. Effectively monitor the data, and then judge the power level and operating status of the reactor to ensure the normal operation of the reactor. The armored cable works at high temperature and is used to transmit the signals of the two ceramic insulated electrodes of the probe. The armored cable is first welded and fixed with the connector, and the armored cable with the connector welded is then welded with the insulated electrodes. [0003] The sealing performance of the armored cab...
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Login to View More IPC IPC(8): G01M3/22G01M3/20
CPCG01M3/202G01M3/221
Inventor 刘海峰何高魁梁爽
Owner CHINA INSTITUTE OF ATOMIC ENERGY