Low-thermoelectrical-potential scanning switch terminal connection mechanism based on flexible printed circuit board
A flexible circuit board, scanning switch technology, applied in the direction of electrical switches, circuits, connections, etc., can solve the problems of many thermoelectric potentials, easy signal interference, complex contact circuits, etc., to simplify the circuit, save direct welding, and avoid the circuit. the effect of interference
Active Publication Date: 2015-03-25
CHINA JILIANG UNIV
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Abstract
The invention discloses a low-thermoelectrical-potential scanning switch terminal connection mechanism based on a flexible printed circuit board. The two side faces of the FPC board are bent and provided with a PCB and a rear panel respectively, and relays are installed on the PCB. Two signal pins of each relay penetrate through corresponding through grooves of the PCB and are welded to the FPC board, other pins, except the two signal pins, of each relay are directly welded to the PCB, the rear panel is provided with binding posts corresponding to the relays, and internal umbrella-shaped wiring ends of the binding posts penetrate through the rear panel and are connected with the FPC. By means of the FPC board, electric connection of the low-thermoelectrical-potential binding posts of the rear panel and the relays on the PCB is achieved. Circuits are simplified, interference between signals is reduced, and part of thermoelectrical potential generated due to welding between the PCB and the relays is avoided.
Application Domain
Coupling device connectionsPrinted circuits +1
Technology Topic
Printed circuit boardEngineering +5
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