JPH0210797U

JPH0210797U -

Info

Publication number: JPH0210797U
Application number: JP8607288U
Authority: JP
Priority date: 1988-06-29
Filing date: 1988-06-29
Publication date: 1990-01-23

Description

[Brief explanation of drawings]

第１図は、この考案の１実施例の全体構成図、
第２図は第１図のスイツチ機構を構成するアーム
の斜視図、第３図は操作レバーがＯＦＦ位置にあ
るときのスイツチ機構の状態を示す説明図、第４
図は同じくＬｏ位置にあるときの状態を示す説明
図、第５図は従来の装置の構成説明図、第６図は
その操作レバー付近の要部断面図である。図中、２１は操作レバー、２２は可動接点、２
３は第１の固定接点、２４ａ，２４ｂ，２４ｃは
第２の固定接点、２５はスイツチ本体、２６はモ
ータ、２７はリレー、２８ａ，２８ｂ，２８ｃは
電流制限抵抗器、３０はスイツチ機構である。な
お、図中、同一符号は同一または相当部分を示す
。 FIG. 1 is an overall configuration diagram of one embodiment of this invention.
2 is a perspective view of the arm constituting the switch mechanism in FIG. 1, FIG. 3 is an explanatory diagram showing the state of the switch mechanism when the operating lever is in the OFF position, and FIG.
FIG. 5 is an explanatory diagram showing the state when the device is in the Lo position, FIG. 5 is an explanatory diagram of the configuration of the conventional device, and FIG. 6 is a sectional view of the main part near the operating lever. In the figure, 21 is an operating lever, 22 is a movable contact, 2
3 is a first fixed contact; 24a, 24b, 24c are second fixed contacts; 25 is a switch body; 26 is a motor; 27 is a relay; 28a, 28b, 28c are current limiting resistors; 30 is a switch mechanism. . In addition, in the figures, the same reference numerals indicate the same or corresponding parts.

Claims

[Scope of utility model registration request]

A relay contact and multiple current limiting resistors are connected in series to the drive circuit of the air conditioning motor, and the connection status of the relay contacts and multiple current limiting resistors can be changed by moving the operating lever on the switch body. In an air conditioning motor rotation speed control device that drives and controls the rotation speed of a motor by changing the rotation speed of the motor, the switch body includes an operating lever, a movable contact that is linked to the operating lever, and a switch that the movable contact always slides into contact with. one fixed contact, a plurality of second fixed contacts connected to connection points of the motor and the plurality of current limiting resistors, and a plurality of second fixed contacts connected in series to the coil of the relay, and the operating lever is in a predetermined position. It is characterized by comprising a switch mechanism that is opened by engaging with a part of the operating lever at a certain time, and by moving the operating lever from a predetermined position, the motor is driven and the rotational speed of the motor is changed. A rotation speed control device for air conditioning motors.