Liquid level detection device

A liquid level detection device comprising:

• a detection section having a rotation section which is connected via a float floating on a liquid surface of a liquid and an arm, and which rotates around a predetermined rotary shaft with displacement of the float, the detection section detecting a position of the liquid surface, based on rotation of the rotation section;
• a frame body having:
• a plate-shaped mounting plate section, one surface of which is a mounting surface to which the detection section is mounted, and the other surface of which is a back surface opposite to the mounting surface;
• and
• a plate-shaped flange section which comes up in a direction which is orthogonal to the mounting surface and the back surface from one end of the mounting plate section, and which is mounted to a tank housing the liquid;
• first and second electrical cords which are led out from the detection section toward the flange section;
• a first terminal, one end part of which is a connection portion to be connected to a tip end part of the first electrical cord at the bottom surface side that is a surface at the detection section side of the flange section, and the other end of which arrives at the top surface side that is a surface opposite to the bottom surface of the flange section, and further, the other end of which is an external connection portion which can be connected to a predetermined external device;
• and
• a second terminal, one end part of which is a connection portion to be connected to a tip end part of the second electrical cord at the bottom surface side of the flange section, and the other end of which arrives at the top surface side of the flange section, and further, the other end of which is an external connection portion section which can be connected to the external device,
• wherein, at the mounting plate section, a branch section made of a through hole or a cutout is provided between the detection section and the flange section,
• the second electrical cord passes through the branch section to thereby bypass from the mounting surface side of the mounting plate section to the back surface side,
• the tip end part of the second electrical cord is positioned at the back surface side of the mounting plate section,
• the connection portion of the first terminal is positioned at the mounting surface side of the mounting plate section,
• the connection portion of the second terminal is positioned at the back surface side of the mounting plate section,
• the connection portion of the first terminal and the tip end part of the first electrical cord are connected to each other at the mounting surface side of the mounting plate section, and
• the connection portion of the second terminal and the tip end part of the second electrical cord are connected to each other at the back surface side of the mounting plate section.