A flange used for fixing space traveling wave tube high-voltage cables
A high-voltage cable and fixed space technology, applied in the field of high-voltage cable fixed structure, can solve the problems of poor grounding of shielding network, stress damage and failure of high-voltage leads, and achieve the effect of simple and compact structure, reliability and light weight.
Active Publication Date: 2021-10-26
NANJING SANLE GROUP
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Problems solved by technology
Unreliable high-voltage cable fixing flanges will cause the high-voltage cables to loosen under the action of external force during the test and use of the traveling wave tube, which will lead to stress damage and failure of the internal high-voltage leads
[0003] At present, the commonly used ordinary space traveling wave tube high-voltage cable fixing flange generally has the following defects: 1. The copper wire binding is not reliable, and the shielding net is easy to disengage; 2. The shielding net is bound and fixed on the cylindrical cylinder. When twisted under the action of external force, the shielding net will slide on the cylinder, causing the cable to be twisted freely; 3. The unreliable binding and fixing of copper wires also leads to poor grounding of the shielding net
Due to these design defects, a certain type of space traveling wave tube developed by our factory frequently loosened and disconnected during delivery to users, and even the internal leads were excessively twisted and damaged by force, resulting in the failure of the space traveling wave tube.
Method used
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Embodiment Construction
[0016] Such as figure 1 As shown, a flange for fixing space traveling wave tube high-voltage cables includes a mounting seat 2, a pressure ring 4, a nut 3 and a heat-shrinkable sheath 5, and the mounting seat includes a cylindrical body, a flange The flange is fixed on the cylindrical body to divide the cylindrical body into two ends, and one end of the cylindrical body is provided with an external thread matching the nut 3; the heat shrinkable sheath 5 It is arranged at the other end of the cylindrical body, and the pressure ring 4 is arranged between the cylindrical body and the nut 3 .
[0017] Such as figure 2 As shown, the pressure ring 4 is an umbrella-shaped structure made of stainless steel, that is, a thin-walled cylinder, and one end of the cylinder is flanged outwards, and there are two rings on the flanging side close to the cylinder. During use, the cylinder extends into the cylindrical body of the mounting seat 2, and the flanging is pressed against the port o...
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The present invention proposes a flange for fixing space traveling wave tube high-voltage cables, which includes a mounting seat, a pressure ring, a nut and a heat-shrinkable sheath, and the mounting seat includes a cylindrical body and a flange. The flange is fixed on the cylindrical body to divide the cylindrical body into two ends, one end of the cylindrical body is provided with an external thread matching the nut; the heat shrinkable sheath is arranged on the cylindrical body At the other end of the body, the pressure ring is arranged between the cylindrical body and the nut. The invention has simple and compact structure, small volume and light weight.
Description
technical field [0001] The invention belongs to the high-voltage cable fixing structure technology, in particular to a flange used for fixing a high-voltage cable of a space traveling wave tube. Background technique [0002] In the space traveling wave tube, the high-voltage cable is the key component connecting the traveling wave tube and the EPC, and is the only path for the high-voltage power supply of the traveling wave tube. The reliability of the high-voltage cable connection directly determines whether the entire traveling wave tube amplifier can work stably. Unreliable high-voltage cable fixing flanges will cause the high-voltage cables to loosen under the action of external force during the test and use of the traveling wave tube, which will lead to stress damage and failure of the internal high-voltage leads. [0003] At present, the commonly used ordinary space traveling wave tube high-voltage cable fixing flange generally has the following defects: 1. The copper...
Claims
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IPC IPC(8): H02G3/06
CPCH02G3/0675
Inventor 陈平何金梅宋泽淳成红霞刘逸群
Owner NANJING SANLE GROUP