Feeder insulator and on-plane short-wave radio station wire antenna using same
A short-wave radio and insulator technology, applied in the direction of antennas, antennas, insulators, etc. suitable for movable objects, can solve the problems of high transmission power of airborne short-wave radio, affecting normal work, electromagnetic interference, etc., and achieve a reasonable windshield structure design , Prevent electromagnetic radiation, reduce the effect of aerodynamic resistance
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 Embodiment one: if figure 1 , figure 2 As shown, an airborne short-wave radio antenna feed insulator is mainly composed of a metal core 51 , a hat-shaped insulating cover 41 , an insulating pad 52 , a cylindrical shielding shell 53 and a radio frequency signal socket 54 . The metal column core 51 includes an integrally formed fixing part and a plugging part. The diameter of the fixing part at the upper end is larger than the plugging part at the lower end. It is transmitted to the antenna tuner of the shortwave radio station through the radio frequency feeder. The insulating cover 41 is made of phenolic plastic with good insulation and high strength. Core insert 412 for metal core. The insulating pad 52 is made of polytetrafluoroethylene, and the insulating cover 41 and the insulating pad 52 ensure that the antenna signal outside the top skin of the aircraft is insulated from the aircraft body when the metal column core 51 leads to the inside of the body. The shiel...
 In the following description, the orientation "front" refers to the direction of the nose of the aircraft, and "rear" refers to the direction of the tail of the aircraft.
 Such as image 3 , Figure 4As shown, an airborne short-wave radio cable antenna is installed on the top of the aircraft, between the dorsal fin and the vertical stabilizer, and is used to radiate outward or receive radio frequency radio signals in the short-wave induction band. The airborne short-wave radio cable antenna includes a first cable 1 and a second cable 2, the top ends of the first and second cables are screwed together and installed on the vertical tail of the aircraft through a connecting piece 3. The steel cables are braided by multiple strands of steel wire ropes. In this embodiment, the first steel cable 1 and the second steel cable 2 are both braided by 49 strands of steel wire ropes with a diameter of 0.2mm, and the breaking force is 2.5KN. Described connector 3 comprises ...
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