Detection system and method of magnetic liquid distribution state in sealing gap
A technology for sealing gaps and magnetic liquids, applied in the direction of material analysis using radiation, etc., can solve problems such as inability, lack of detection methods, and observation of magnetic liquid sealing conditions
Active Publication Date: 2022-08-02
TSINGHUA UNIV
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Problems solved by technology
[0003] In the related art, there is a lack of an effective detection method for the distribution of the magnetic liquid in the seal under different working conditions, and it is impossible to observe the sealing condition of the magnetic liquid under the working condition, and it is impossible to avoid the occurrence of dangerous situations
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[0031] The following describes in detail the embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary, and are intended to explain the present invention and should not be construed as limiting the present invention.
[0032] like Figure 1-Figure 5 As shown, the detection system 100 of the magnetic liquid distribution state in the sealed gap according to the embodiment of the present invention includes a workbench 1 , a track 2 and a detection assembly 3 .
[0033] The sealing gap 201 is set in the sealing device 200, the sealing gap 201 is suitable for being filled with magnetic liquid, and the sealing device 200 has a length along its length direction (such as figure 1 the center line in the up-down direction shown). like figure 1 As shown, the sealing device 200 includes a rotating shaft 202 and a pole piece 203, the pole piece 203 is sle...
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The invention discloses a detection system and method for the distribution state of magnetic liquid in a sealing gap. The detection system for the distribution state of magnetic liquid in the sealing gap includes a workbench, a track and a detection component. A sealing device with a sealing gap is arranged around its center. The line is rotatably arranged on the workbench, the track is set on the workbench, and at least part of the track is in the shape of a circular arc, the center of the circular arc part of the track is located on the center line of the sealing device, and the detection component is movably set on the On the track and including an X-ray instrument and an imager, the X-ray instrument and the imager are arranged opposite to each other on both sides of the sealing device in the first direction, and the X-ray emitted by the X-ray instrument can at least partially pass through the sealing gap and be imaged. On-board imaging, the first direction is orthogonal to the longitudinal section of the sealing device. The detection system of the embodiment of the present invention can detect the distribution state of the magnetic liquid in the sealing gap under any working state, so as to facilitate the understanding of the sealing condition of the magnetic liquid and avoid the occurrence of dangerous situations.
Description
technical field [0001] The present invention relates to the technical field of magnetic liquid sealing, and more particularly, to a system for detecting the distribution state of magnetic liquid in a sealing gap and a method for detecting the distribution state of magnetic liquid in the sealing gap. Background technique [0002] Magnetic liquids have a wide range of applications in the engineering field, among which rotary seals are one of the many applications of magnetic liquids. Compared with traditional sealing technology, the magnetic liquid rotary seal has the advantages of zero leakage, high reliability, low wear and long life. [0003] In the related art, there is no effective detection method for the distribution state of the magnetic liquid in the sealing member under different working states, the sealing of the magnetic liquid cannot be observed under the working state, and the occurrence of dangerous situations cannot be avoided. SUMMARY OF THE INVENTION [00...
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IPC IPC(8): G01N23/04
CPCG01N23/04
Inventor 李德才陈诺
Owner TSINGHUA UNIV