JPH01166486U - - Google Patents

Description

[Brief explanation of the drawing]

FIG. 1 is an electric circuit diagram showing an example of an input voltage switching device for a power supply device according to this invention, FIGS. 2A and 2B are perspective views showing the shorting piece in the same device with the front and back reversed, and FIGS. 3A and 3B are respectively B is an explanatory diagram of the use of the shorting piece in the same device, FIGS. 4 and 5 are an electric circuit diagram and a perspective view of an input voltage switching device of a power supply device showing other embodiments of the invention, and FIG. 7A and 7B are explanatory diagrams for explaining the use of the shorting strips in FIGS. 4 and 5, respectively. An electric circuit diagram of an input voltage switching device of a power supply device showing still another embodiment of the invention,
9 and 10 are a cross-sectional view and a perspective view of the switching piece shown in FIG. 8, respectively, and FIGS. 11A and 11B are explanations of how to use the switching piece shown in FIG. 8, respectively. 12 are electric circuit diagrams showing the configuration of an input voltage switching device of a conventional power supply device, and FIGS. 13A and 13B are diagrams each illustrating the use of a shorting piece in the conventional power supply device. 1, 2...Power input terminal, 3...Terminal block, 10
, 11...Switching terminal, 12...Idle terminal, 13
, 41... Short circuit piece, 14, 15, 44A, 44B
, 84A, 84B...display, 45...cover, 4
6, 85... window, 81, 82... hole, 83...
...Switching piece, 83a... Projection piece part.

Claims (1)

[Claims for Utility Model Registration] (1) A terminal block provided with a pair of power input terminals is provided with a pair of switching terminals, and two input voltages with different voltage values are applied between the power input terminals. In the input voltage switching device of the power supply device, the switching terminals are selectively short-circuited and opened depending on the switching terminals to obtain the same output voltage regardless of the input voltage. , the front and back sides of the short-circuiting pieces having the above-mentioned different input voltage indications on the front side and the back side are reversed according to the input voltage, and the short-circuiting pieces are placed between the above-mentioned two switching terminals and between the play terminal and one switching terminal. An input voltage switching device for a power supply device, characterized in that it is selectively connected to one of the two. (2) A pair of switching terminals is provided on a terminal block provided with a pair of power input terminals, and a switch is applied between the switching terminals according to two input voltages having different voltage values applied between the power input terminals. In an input voltage switching device for a power supply device that is configured to selectively short-circuit and open the terminals to obtain the same output voltage regardless of the input voltage, the switching terminals are set in positions where the switching terminals are short-circuited and open-circuited depending on the input voltage. A selectively set shorting piece is slidably attached to the terminal block, and at one slide setting position of the shorting piece, a window portion is provided through which a display marked on the shorting piece corresponding to the input voltage can be seen through. An input voltage switching device for a power supply device, characterized in that the device is formed on a cover attached to the terminal block. (3) A pair of switching terminals is provided on a terminal block provided with a pair of power input terminals, and a switch is applied between the switching terminals according to two input voltages having different voltage values applied between the power input terminals. In the input voltage switching device of the power supply device, which selectively shorts and opens the input voltage to obtain the same output voltage regardless of the input voltage, a pair of holes are provided in the terminal block located on the side of the power input terminal. The pair of switching terminals are comprised of jack-type normally closed contacts that are opened at the protruding part of the insulating switching piece, and are disposed in one of the holes, A window portion is formed in the switching piece through which a display marked on the terminal block side corresponding to the input voltage can be seen through when the piece is selected and inserted into one of the holes according to the input voltage. An input voltage switching device for a power supply device, characterized in that: