Synchronous electric motor, range of electric motors, device for closing, shading or protecting against the sun, comprising an electric motor from such a range and method for producing same
A synchronous electric motor includes a rotor and a stator. The stator includes an armature and coils. The armature includes a yoke and teeth. The teeth define recesses. The coils are mounted in the recesses of the armature. The stator is wound by insertion. Each coil is formed from a wire outside the stator, so that the coils are subsequently inserted into the recesses, through wire passages of the recesses according to a direction radial to a central axis of the stator. Furthermore, a ratio of a surface area of each recess to a thickness of the yoke is between 5 mm and 10 mm, the surface area of each recess being measured in a plane perpendicular to the central axis of the stator.
1 . A synchronous electric motor comprising:
a rotor; and
a stator comprising
an armature comprising:
a yoke, and
teeth defining recesses, and
coils mounted in the recesses of the armature,
wherein a ratio of a surface area of each recess to a thickness of the yoke is between 5 mm and 10 mm, the surface area of each recess being measured in a plane perpendicular to a central axis of the stator,
wherein the stator is wound by insertion, each coil being formed from a wire outside the stator, so that the coils are subsequently inserted into the recesses, through wire passages of the recesses, according to a direction radial to the central axis of the stator,
wherein a height of the armature is between 20 mm and 120 mm,
wherein an outer diameter of the yoke is comprised between 30 mm and 65 mm, and
wherein the synchronous electric motor is configured to operate with a closure, occultation or solar protection device.
2 . The synchronous electric motor according to claim 1 , wherein a ratio of a stator inner diameter to a coil volume outside the armature is between 1 mm/cm 3 and 5 mm/cm 3 .
3 . The synchronous electric motor according to claim 2 , wherein a diameter of the wire forming each of the coils is between 0.13 mm and 1 mm.
4 . The synchronous electric motor according to claim 2 , wherein a width of the wire passage of each recess is between 1.5 mm and 2.5 mm.
5 . The synchronous electric motor according to claim 2 , wherein an inner diameter of the yoke is comprised between 25 mm and 58 mm.
6 . The synchronous electric motor according to claim 1 , wherein a diameter of the wire forming each of the coils is between 0.13 mm and 1 mm.
7 . The synchronous electric motor according to claim 6 , wherein an inner diameter of the yoke is comprised between 25 mm and 58 mm.
8 . The synchronous electric motor according to claim 1 , wherein a width of the wire passage of each recess is between 1.5 mm and 2.5 mm.
9 . The synchronous electric motor according to claim 8 , wherein a diameter of the wire forming each of the coils is between 0.13 mm and 1 mm, and
wherein a minimum ratio of the width of the wire passage of each recess to the diameter of the wire forming each of the coils is equal to 1.5.
10 . The synchronous electric motor according to claim 8 , wherein an inner diameter of the yoke is comprised between 25 mm and 58 mm.
11 . The synchronous electric motor according to claim 1 , wherein the armature comprises a number of teeth equal to twelve and a number of recesses equal to twelve.
12 . The synchronous electric motor according to claim 1 , wherein an inner diameter of the yoke is comprised between 25 mm and 58 mm.
13 . A set of electric motors configured to selectively operate with a closure, occultation or solar protection device, the set comprising:
the synchronous electric motor according to claim 1 configured to operate with the closure, occultation or solar protection device; and
an asynchronous electric motor configured to operate with the closure, occultation or solar protection device, the asynchronous electric motor comprising:
a rotor, and
a stator comprising
an armature comprising:
a yoke, and
teeth defining recesses, and
coils mounted in the recesses of the armature of the asynchronous electric motor,
wherein a ratio of a surface area of each recess of the asynchronous electric motor to a thickness of the yoke is between 5 mm and 10 mm, the surface area of each recess of the asynchronous electric motor being measured in a plane perpendicular to a central axis of the stator of the asynchronous electric motor,
wherein the armature of the stator of the synchronous electric motor and the armature of the stator of the asynchronous electric motor are identical,
wherein the stator of the synchronous electric motor and the stator of the asynchronous electric motor are respectively wound by insertion, each coil of the respective electric motors being formed from a wire outside the respective stator, to insert the coils subsequently into the recesses, through wire passages of the recesses, according to a direction radial to the central axis of the stator,
wherein a height of the armature of the asynchronous electric motor is between 20 mm and 120 mm, and
wherein an outer diameter of the yoke of the asynchronous electric motor is comprised between 30 mm and 65 mm.
14 . The set of electric motors according to claim 13 , wherein a diameter of the wire forming each of the coils is between 0.13 mm and 1 mm.
15 . The set of electric motors according to claim 13 , wherein a width of the wire passage of each recess is between 1.5 mm and 2.5 mm.
16 . The set of electric motors according to claim 13 , wherein respective winding patterns of each of the synchronous and asynchronous electric motors are configured based on a type of the respective electric motors and according to a supply voltage of the respective electric motors.
17 . A closure, occultation or solar protection device comprising:
a screen; and
an electromechanical actuator, the screen being driven to move by the electromechanical actuator, the electromechanical actuator comprising:
at least one of the synchronous electric motor and the asynchronous electric motor selected from the set of electric motors according to claim 13 .
18 . The closure, occultation or solar protection device according to claim 17 , further comprises a winding tube, the screen being configured to be wound onto the winding tube, the winding tube being configured to be rotated by the electromechanical actuator.
19 . The closure, occultation or solar protection device according to claim 18 , wherein an inner diameter of the winding tube is between 40 mm and 100 mm.
20 . A method for manufacturing one of the synchronous electric motor and the asynchronous electric motor of the set of electric motors according to claim 13 , the method comprising:
selecting the one electric motor of the synchronous electric motor and the asynchronous electric motor from the set of electric motors;
selecting a winding pattern of the stator of the selected electric motor based on a type of the selected electric motor; and
winding the winding pattern of the stator of the selected electric motor by insertion, each of the coils of the selected electric motor being formed from a wire outside the stator of the selected electric motor, so that the coils are subsequently inserted into the recesses of the selected electric motor, through wire passages of the recesses of the selected electric motor, according to a direction radial to the central axis of the stator of the selected electric motor.