TW264587B - Variable resistor unit and fly-back transformer used in high voltage - Google Patents

Abstract

A variable resistor unit for high voltage use comprises: circuit board on whose surface there forms variable resistor circuit pattern including multiple variable resistors, and electrode pattern including multiple output electrodes, that is installed corresponding to input electrode and the above multiple variable resistors, and there are in parallel connection; board containing room with one end presenting opening shape, that is used to contain insulating box implemented by insulating resin of the above circuit board; multiple sliders installed in space between the above circuit board surface and internal wall of the above board containing room surrounding the above insulating box; multiple terminal metal devices installed on the back side of the above circuit board, and with connecting terminal part of one end connected to output electrode of the above circuit board, and connecting terminal part of another end located on side of the above back side; multiple capacitors installed on the opening side of the above insulating box, and with connecting terminal part of one end connected to the above terminal metal device, and connecting terminal part of another end connected to destined connected terminal; Its features comprises: multiple output terminal devices installed between the above circuit board surface and the above insulating box, implementing connection to the above multiple output electrodes and multiple conductive bodies for output with unsoldered state; multiple leading path formed on wall part of the above insulating box located higher than the above circuit board surface, and leading the above multiple conductive bodies for output to the above multiple output terminal devices.