Deutsches institut fur normung (DIN) high intermodulation waterproof electric bridge

The utility model discloses a deutsches institut fur normung (DIN) high intermodulation waterproof electric bridge which relates to the technical field of electric bridges. The electric bridge comprises a lower cavity body, an inner cover plate and an outer cover plate, wherein the inner cover plate is installed above the lower cavity body, the outer cover plate is arranged above the inner cover plate, a waterproof groove is formed between the inner cover plate and the lower cover plate, a microstrip line is arranged in the cavity body, dielectric-slabs are respectively arranged above and below the microstrip line, and additional dielectric-slabs are respectively arranged outside the dielectric-slabs. The electric bridge has high power and can enter and exit at the same time, third-order intermodulation and waterproof function can be achieved, so that functional requirements are satisfied, and the production cost is also lowered.