JPH0244894U

JPH0244894U -

Info

Publication number: JPH0244894U
Application number: JP1988121838U
Authority: JP
Priority date: 1988-09-17
Filing date: 1988-09-17
Publication date: 1990-03-28
Anticipated expiration: 2003-09-17
Also published as: JPH079596Y2

Description

[Brief explanation of drawings]

第１図は請求項１に係るモータアクチユエータ
の一実施例を示す回路図、第２図は本考案に係る
モータアクチユエータが用いられる自動車用空調
装置の一部構成図、第３図は請求項２に係るモー
タアクチユエータの一実施例を示す部分回路図、
第４図は請求項３に係るモータアクチユエータの
一実施例を示す部分回路図である。１２……駆動用ＩＣ、１３……停止スイツチ、
１４……可動接点、１５……共通電極、１６……
第１の固定電極、１７……第２の固定電極、１９
……規制スイツチ、２１……ベントスイツチ。 FIG. 1 is a circuit diagram showing an embodiment of the motor actuator according to claim 1, FIG. 2 is a partial configuration diagram of an automobile air conditioner in which the motor actuator according to the present invention is used, and FIG. is a partial circuit diagram showing an embodiment of the motor actuator according to claim 2,
FIG. 4 is a partial circuit diagram showing an embodiment of the motor actuator according to claim 3. 12...Drive IC, 13...Stop switch,
14...Movable contact, 15...Common electrode, 16...
First fixed electrode, 17... Second fixed electrode, 19
...Regulation switch, 21...Vent switch.

Claims

[Claims for Utility Model Registration] 1. A motor and a drive circuit for the motor, which energizes the motor by a combination of two input signals, and energizes the motor when the two input signals are the same. A motor actuator is provided with a movable contact that rotates through a predetermined angle with the operation of the motor, and a first fixed electrode is provided at one end of the predetermined angle, and a first fixed electrode is provided at one end of the predetermined angle. A second fixed electrode is provided at the other end of the angle, and an input terminal of the drive circuit is connected between the movable contact and the first fixed electrode and between the movable contact and the second fixed electrode. A third fixed electrode is provided between the first fixed electrode and the second fixed electrode, and a third fixed electrode is provided between the first fixed electrode and the second fixed electrode. A third fixed electrode is connected to one of the first fixed electrode and the second fixed electrode via a vent switch that is closed in the vent mode, and a third fixed electrode is connected to one of the first fixed electrode and the second fixed electrode through a vent switch that is closed in the vent mode. A motor actuator comprising a regulation switch that regulates rotation of the motor in the direction of the electrodes. 2. A motor and a drive circuit for the motor, which energizes the motor in response to a combination of two input signals and stops energizing the motor when the two input signals are the same. A motor actuator is provided with a movable contact that rotates through a predetermined angle with the operation of the motor, a first fixed electrode is provided at one end of the predetermined angle, and a first fixed electrode is provided at the other end of the predetermined angle. a second fixed electrode is provided, and the drive circuit connects the input terminal of the drive circuit to the motor between the movable contact and the first fixed electrode and between the movable contact and the second fixed electrode. A third fixed electrode is provided between the first fixed electrode and the second fixed electrode, and a third fixed electrode is provided between the first fixed electrode and the second fixed electrode, and a third fixed electrode is provided between the first fixed electrode and the second fixed electrode. At the time of contact between the movable contact and the third fixed electrode, one of the first fixed electrode and the second fixed electrode is set to the same potential as the other fixed electrode, and the third fixed electrode is moved toward the other fixed electrode. A motor actuator characterized by being provided with a regulation circuit that regulates the rotation of a motor. 3. A motor and a drive circuit for the motor, which energizes the motor in response to a combination of two input signals and stops energizing the motor when the two input signals are the same. A motor actuator is provided with a movable contact that rotates through a predetermined angle with the operation of the motor, a first fixed electrode is provided at one end of the predetermined angle, and a first fixed electrode is provided at the other end of the predetermined angle. a second fixed electrode is provided, and the drive circuit connects the input terminal of the drive circuit to the motor between the movable contact and the first fixed electrode and between the movable contact and the second fixed electrode. a position detector that detects the position of the movable contact, each forming a stop switch that sets the input state to stop the passage;
In the vent mode state, it is detected that a predetermined output signal is output from the position detector, and one of the first fixed electrode and the second fixed electrode is made to have the same potential as the other fixed electrode. , and a comparison regulation circuit for regulating rotation of the motor in the direction of the other fixed electrode.