Transmission line system with horizontal polarized electromagnetic gield
A horizontal polarization, transmission line technology, applied in the field of transmission line systems, can solve the problems of the object to be tested, which are bulky and heavy, cannot be used for electromagnetic wave tolerance tests of large-scale devices, and the transmission line system cannot be fully taken into account. Effect
Active Publication Date: 2007-01-10
AUTOMOTIVE RES & TESTING CENT
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Problems solved by technology
[0003] Conventional transmission line systems can only generate vertically polarized electric fields. In the process of testing the electromagnetic wave tolerance of small electronic products, as long as the vertically polarized electric field test is completed, the small electronic products can be turned over. Horizontally polarized electric field test, however, this method cannot be applied to the electromagnetic wave tolerance test of large devices
Due to the large size and weight of the object to be tested, it is not feasible to turn it over to accept the electromagnetic wave test. Therefore, in terms of the accuracy of the vehicle tolerance test, the conventional transmission line system cannot fully consider
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[0025] Please refer to FIG. 1, which is a perspective view of the first embodiment of the transmission line system of the present invention. The system includes:
[0026] A rectangular roof frame 10 is connected to a pillar 11 at each of its four corner points. With these pillars 11, the roof frame 10 is erected and suspended at a certain height from the ground. An extension base 20 is fixed to the bottom of each pillar 11, and the extension base 20 A plurality of rollers 21 can be installed on the bottom surface of the bottom to facilitate the movement of the overall transmission line system. In addition, in order to strengthen the stability of the overall structure, the lower section of each pillar 11 is connected to a pivotable cross bar 12, and the two opposite cross bars 12 can be fixed together. Connected to a fixed piece 12 to form an auxiliary strip parallel to the short side of the top frame 10;
[0027] A movable radiant panel 30, each corner of the radiant panel 30 ...
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The present invention discloses transmission line system having horizontal polarization electromagnetic field. It contains using plurality prop connecting one hanging rectangular upper-frame, each prop bottom fixing one stretching base, both sides of above mentioned upper-frame set more than one lower side panel jointed side plate group, each lower side panel contacting one common ground plate, wherein above mentioned rectangular upper-frame set with one above mentioned upper side panel connected active type radiation panel, when said radiation panel located first position and parallel with ground plate, capable of establishing one vertical polarization electric field; when radiation panel located second position and perpendicular to ground plate, capable of establishing one horizontal polarization electric field.
Description
technical field [0001] The present invention relates to an electromagnetic test system used in large devices (such as automobiles, locomotives, etc.), especially a transmission line system (TLS) that can establish vertical and horizontal polarized electric fields through movable plates. Background technique [0002] In order to prevent the electronic devices on the vehicle (such as the instrument panel on the vehicle) from malfunctioning due to electromagnetic interference when driving through an environment with strong electromagnetic waves, the entire vehicle must be subjected to various extreme conditions during research and development. Polarization (vertical polarization and horizontal polarization) electromagnetic wave tolerance test. This kind of electromagnetic wave test for vehicle devices such as locomotives and automobiles is generally carried out in a professional airtight laboratory, and according to the test content, test method and vehicle electromagnetic comp...
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IPC IPC(8): G01M17/007
Inventor 林彦呈林汉年陈茂元
Owner AUTOMOTIVE RES & TESTING CENT