The invention discloses an automatic snow clearing method and device for a satellite antenna, and belongs to the technical field of radio and television. The device comprises a main control unit, a power distribution box, an air energy storage device, an electric heating tape, a control contactor, a gas pressure conveying pipe, an ejector, a rotating angle mechanism, a rain and snow sensor, an outdoor temperature sensor, and an indoor temperature sensor. The method comprises the steps: adjusting and fixing the spatial position of the ejector; adjusting and locking the spatial position of the ejector again under the condition of snowfall; and carrying out the automatic snow clearing for the satellite antenna through employing the air energy storage device according to the information of the rain and snow sensor and the temperature sensor. The device employs an air compressor to store energy, and removes the un-falling and fallen snowflake through high-pressure air ejected by the ejector. The ejector is small in size, is light in weight, and can neglect wind resistance impact and signal loss. The device is convenient to install, does not need to reconstruct conventional equipment, and can fully meet the national demands for a satellite communication antenna snow clearing device.

Automatic snow clearing method and device for satellite antenna

The invention relates to the field of satellite antenna equipment, and particularly discloses a dehumidifier for a bell mouth surface of a satellite antenna. The dehumidifier comprises a power supply module, a hot blast generating device which is electrically connected with the power supply module, a blast pipe which is connected with the hot blast generating device, and a blower, wherein an air outlet of the blower is relatively arranged on the bell mouth surface of the satellite antenna. The dehumidifier for the bell mouth surface of the satellite antenna uses hot blast at a proper temperature to melt ice and snow which are pilled up on the bell mouth surface of the satellite antenna, and dry the water accumulated in the bell mouth of the antenna, so that the bell mouth surface and the interior of the antenna are kept dry at any time, the antenna communication is not influenced by ice, snow and accumulated water, the safety and stability of communication are ensured, the risk and cost of manual maintenance are reduced, and the dehumidifier is safe, efficient and practical.

Dehumidifier for bell mouth surface of satellite antenna

The invention discloses a humidity control device of satellite humidity sensitive equipment. The humidity control device comprises an ambient temperature and humidity collector, an alarming device, a controller module and a temperature controller module. The temperature controller module simultaneously controls the power output of 30 heaters of a controlled object accommodating the satellite humidity sensitive equipment, measures the temperature of the controlled object in real time through 30 thermistors and feeds the temperature back to the temperature controller module; the controller module and the temperature controller module are communicated with each other and electrically connected with the alarming device; the controller module collects the ambient temperature and the ambient humidity of an AIT (assembly, integration and testing) lobby, computes temperature values to be controlled according to the division values of the 30 thermistors and the humidity value required by the controlled object and controls the 30 heaters on the controlled object through an on-off proportional control method.

Humidity control device and method of satellite humidity sensitive equipment

The invention relates to the technical field of radar antennas, in particular to a full-frequency-band-based measuring antenna system. The measuring antenna system comprises a holding rod and a measuring antenna, wherein a groove is formed in the upper end of the holding rod, and a stepping motor is fixedly installed in the groove; the output shaft of the stepping motor is connected with a shell;four connecting plates are arranged at the lower end of the measuring antenna; four hydraulic rods are arranged at the bottom end of the inner wall of the shell; a pull rope connected with the corresponding connecting plate is fixedly arranged at the upper end of the corresponding hydraulic rod; a temperature sensor, a humidity sensor and an antenna processing module are arranged at the upper endof the inner wall of the shell separately, a PLC is arranged at the lower end of the inner wall of the shell; and a fresh air exchanger is arranged at the lower end of the shell. The angle and orientation of the measuring antenna are adjusted conveniently, and the accuracy of adjustment is guaranteed; and the shell can be automatically cooled and dehumidified, normal work of internal components isguaranteed, and practicability is high.

Full-frequency-band-based measuring antenna system

The invention discloses a parabolic antenna snow removal system with an annular air spraying function. The parabolic antenna snow removal system comprises a hot-air blower, an air pipe, an annular frame, a fixing part, an air spraying nozzle, a sensor module, a control module and a management terminal. The hot-air blower is sequentially connected with the air pipe, the annular frame and the air spraying nozzle. The diameter of the annular frame is greater than that of the reflecting surface of a parabolic antenna, and the annular frame is positioned above and parallel to the reflecting surfaceof the parabolic antenna. The fixing part connects the annular frame with a back support of the parabolic antenna, is of a three-fold structure, and comprise a first bottom plate, a second bottom plate, a third bottom plate, a fourth bottom plate and U-shaped bolts. The air spraying nozzle is located on the annular frame, and sprays hot air towards the center of the reflecting surface of the parabolic antenna. A parabolic antenna snow removal system which is safe, reliable, convenient to maintain, low in energy consumption and electromagnetically compatible is realized.

Parabolic antenna snow removal system with annular air spraying function

The utility model relates to the field of satellite antenna equipment and specifically discloses a dehumidifier of the horn mouth surface of a satellite antenna. The dehumidifier comprises a power supply module, a hot wind generating device electrically connected with the power supply module, an air transmission pipe connected with the hot wind generating device, and an air blower. The air outlet of the air blower is correspondingly disposed on the horn mouth surface of the satellite antenna. The dehumidifier of the horn mouth surface of a satellite antenna melts ice and snow which are accumulated on the horn mouth surface of the satellite antenna by using hot wind with proper temperature and dries the water accumulated in the horn of the antenna in order to keep dryness of the horn mouth surface of the satellite antenna and the interior thereof at all times. Therefore, the communication of the antenna is not affected by the ice, the snow, and the accumulated water. Not only is the safety and the stability of communication guaranteed, but also the risk and the cost of artificial maintenance are reduced. The dehumidifier of the horn mouth surface of a satellite antenna is safe, high efficient, and practical.

Zhu Mingxiang

Papers

Dehumidifier for bell mouth surface of satellite antenna

A dehumidifier of the horn mouth surface of a satellite antenna