JP2006288159A5

JP2006288159A5 -

Info

Publication number: JP2006288159A5
Application number: JP2005107943A
Authority: JP
Filing date: 2005-04-04
Publication date: 2008-03-06
Anticipated expiration: 2025-04-04

Claims

A resolver disposed in a motor in which a motor rotor and a motor stator are opposed to each other with a gap of a predetermined distance, and detects a signal corresponding to the rotation of the motor rotor when the motor is turned on. And a second resolver for detecting a signal corresponding to the rotation of the motor rotor in a driving state after turning on the power of the motor,
The first resolver is disposed between the motor stator and the second resolver;
The resolver stator of the second resolver is disposed adjacent to the resolver stator of the first resolver only through a gap,
Driving means for driving the first resolver by switching to the first resolver when the power is turned on, and driving the second resolver by switching to the second resolver after the power is turned on;
And a processing unit for processing the signals detected by the first and second resolvers to obtain the signals.

A resolver disposed in a motor in which a motor rotor and a motor stator are opposed to each other with a gap of a predetermined distance, and detects a signal corresponding to the rotation of the motor rotor when the motor is turned on. And a second resolver for detecting a signal corresponding to the rotation of the motor rotor in a driving state after turning on the power of the motor,
The resolver stator of the first resolver is disposed adjacent to the motor stator via only a gap, and the resolver stator of the second resolver is disposed adjacent to the resolver stator of the first resolver via only a gap. ,
Driving means for driving the first resolver by switching to the first resolver when the power is turned on, and driving the second resolver by switching to the second resolver after the power is turned on;
And a processing unit for processing the signals detected by the first and second resolvers to obtain the signals.

The resolver device according to claim 1 or 2 , wherein the first resolver is a monopolar resolver, and the second resolver is a multipolar resolver.

As a motor main body, a motor rotor supported to be rotatable about the axial direction of the motor main body, and a motor stator arranged to face each other with a predetermined distance in the radial direction perpendicular to the axial direction of the motor rotor And with
A resolver that detects a signal indicating rotation of the motor rotor on one end side in the axial direction of the motor body;
In the motor device having a structure in which the resolver is formed by first and second resolvers of different types arranged in order along the axial direction.
The first resolver is disposed between the motor stator and the second resolver;
A motor device comprising: a resolver that detects the signal of the motor rotor in a driving state after the power of the motor is turned on as the second resolver adjacent to the first resolver.

As a motor main body, a motor rotor supported to be rotatable about the axial direction of the motor main body, and a motor stator arranged to face each other with a predetermined distance in the radial direction perpendicular to the axial direction of the motor rotor And with
A resolver that detects a signal indicating rotation of the motor rotor on one end side in the axial direction of the motor body;
In the motor device having a structure in which the resolver is formed by first and second resolvers of different types arranged in order along the axial direction.
As the first resolver adjacent to the motor body, a resolver for detecting the signal of the motor rotor when the motor is turned on is disposed.
A motor device comprising: a resolver that detects the signal of the motor rotor in a driving state after the power of the motor is turned on as the second resolver adjacent to the first resolver.

6. The motor device according to claim 4, wherein the first resolver is a monopolar resolver, and the second resolver is a multipolar resolver.

The motor stator is disposed inside the outer housing;
Each of the first and second resolvers includes a resolver rotor and a resolver stator that are opposed to each other via a gap in the radial direction,
The two resolver stators of the first and second resolvers are supported on the inner peripheral surface of the outer housing via a resolver holder, and the two resolver rotors of the first and second resolvers are connected to the motor rotor. The motor apparatus as described in any one of Claims 4-6 currently supported in the state which interposed the spacer between the end parts of the said axial direction.

The resolver stator of the first resolver is adjacent only through the air gap to the motor stator, the resolver stator of the second resolver to claim 7 adjacent only through the gap resolver stator of the first resolver The motor apparatus as described.

Driving means for switching to the first resolver to drive the first resolver when the power is turned on, and driving the second resolver by switching to the second resolver after the power is turned on;
The motor apparatus as described in any one of Claims 4-8 provided with the process means which processes the signal which the said 1st and 2nd resolver detected, and obtains the said signal.