CN218829554U

CN218829554U - Synchronous non-magnetic motor capable of enlarging medium and low power

Info

Publication number: CN218829554U
Application number: CN202222032012.5U
Authority: CN
Inventors: 科兹洛夫·伊利亚·尼古拉耶维奇; 谢军
Original assignee: Houhua Tianjin Power Technology Co ltd
Current assignee: Houhua Tianjin Power Technology Co ltd
Priority date: 2022-08-03
Filing date: 2022-08-03
Publication date: 2023-04-07
Anticipated expiration: 2032-08-03

Abstract

The utility model discloses a can enlarge low-medium power's synchronous no magnetism motor, including stator, compound rotor, support ring and stator winding, compound rotor's outer end rotates in the outer end of stator, the stator winding coil is provided with the multiunit, multiunit the equal wraparound of stator winding is in the stator upper end, the multiunit stator winding upper end is equallyd divide and is do not have first stator winding coil and second stator winding coil around, the one end of stator has excitation winding with crossing the wire winding. The device expands the application range of the medium and low power motor, because the permanent magnet is demagnetized by large current, when the permanent magnet is replaced by the exciting winding, the reliability of the motor can be improved, speed control can be carried out by changing the exciting current, the current can be transmitted from an external source through the mechanism, the exciting system consists of a brush component and a control system to form a direct current voltage converter, and when the battery supplies power, the direct current voltage converter provides current regulation in the exciting winding of the motor.

Description

Synchronous non-magnetic motor capable of enlarging medium and low power

Technical Field

The utility model relates to a can enlarge low-medium power's synchronous no magnetism motor technical field, specifically be a can enlarge low-medium power's synchronous no magnetism motor.

Background

A dc motor is a motor that converts dc electrical energy into mechanical energy. The speed-regulating device is widely applied to electric traction due to good speed-regulating performance. The direct current motor is divided into 3 types of permanent magnet, separate excitation and self excitation according to an excitation mode, wherein the self excitation is divided into 3 types of shunt excitation, series excitation and compound excitation, when a direct current power supply supplies power to an armature winding through an electric brush, a conductor under an N pole on the surface of an armature can flow current in the same direction, and the conductor is subjected to the action of moment in the counterclockwise direction according to the left-hand rule; the lower conductor of the S pole of the armature surface also flows current in the same direction, and the conductor is subjected to moment in the counterclockwise direction according to the left-hand rule.

Known ac and dc motors, which have the disadvantage that the magnetic field is pulsating, acceptable characteristics are only obtained by rotating the magnetic field, and furthermore it has been observed that "sticking" when the stator teeth are opposite the rotor poles, which is a stable position, makes it extremely difficult to take the motor out of this condition, and dc motors have the disadvantage that the presence of permanent magnets on the rotor, which limits the use of the motor for drives that are mainly low power and partly medium power, and therefore it is desirable to propose a synchronous non-magnetic motor that can be scaled up for medium and low power.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a can enlarge low-medium power's synchronous no magnetism motor, this device enlarges the application scope of low-medium power motor, because the permanent magnet is by the heavy current demagnetization, when replacing the permanent magnet with excitation winding, the reliability of motor can improve, can also carry out speed control through changing exciting current to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a can enlarge low-medium power's synchronous no magnetism motor, includes stator, compound rotor, support ring and stator winding, the outer end of compound rotor rotates in the outer end of stator, stator winding is provided with the multiunit, the multiunit stator winding all around-wound connects in the stator upper end, the multiunit stator winding upper end is equallyd divide and is do not around having connect first stator winding coil and second stator winding coil, the one end of stator has excitation winding with crossing the wire winding, the one end of compound rotor is connected with the battery, the one end electric connection of battery has control system.

Preferably, the stator is provided as a stator core made of a material having a high magnetic permeability.

Preferably, the stator is provided with a plurality of phase coil windings a, B, C, each of which is located on a separate tooth, and the coils of the stator winding coil phase groups are interconnected in opposite directions.

Preferably, one part of the composite rotor is made in the form of a support ring and the other part of the composite rotor is in the form of pole inductance of the field winding.

Preferably, the poles of the field winding are made of alternating polarity, the support ring and the field winding are fixed and define at one end, and the support ring and the field winding rotate relative to the stator.

Preferably, the teeth of the composite rotor are wound with continuous wires, and the terminals of the composite rotor are connected with D and E, and the brush machine of the battery is provided with a constant excitation voltage.

Preferably, one end of the excitation winding is connected with a sliding contact, and one end of the sliding contact is provided with a slip ring.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the device expands the application range of the medium and low power motor, because the permanent magnet is demagnetized by large current, when the permanent magnet is replaced by the exciting winding, the reliability of the motor can be improved, and the speed control can be carried out by changing the exciting current;

2. the utility model discloses a current is transmitted from external source to this mechanism, and excitation system comprises a direct current voltage converter by a brush subassembly (contact mechanism) and a control system, and when being supplied power by the battery, it provides current regulation in the excitation winding of motor.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural diagram of the control system of the present invention;

fig. 3 is a schematic structural diagram of the stator winding according to the present invention.

In the figure: 1. a stator; 2. a composite rotor; 3. a stator winding; 4. a first stator winding coil; 5. a second stator winding coil; 6. an excitation winding; 7. a battery; 8. a support ring; 9. a sliding contact; 10. a slip ring; 11. and (4) controlling the system.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a synchronous nonmagnetic motor capable of enlarging medium and low power comprises a stator 1, a composite rotor 2, a support ring 8 and stator windings 3, wherein the outer end of the composite rotor 2 rotates at the outer end of the stator 1, the stator windings 3 are provided with a plurality of groups, the plurality of groups of stator windings 3 are wound at the upper end of the stator 1, the upper ends of the plurality of groups of stator windings 3 are respectively wound with a first stator winding coil 4 and a second stator winding coil 5, one end of the stator 1 is wound with an excitation winding 6 through a lead, one end of the composite rotor 2 is connected with a battery 7, one end of the battery 7 is electrically connected with a control system 11, when the synchronous nonmagnetic motor is used, the number of the stator windings, the number of the coils in the stator winding group, the stator windings 3 and the composite rotor 2 are connected in a certain proportion, and therefore, the technical achievement can be realized, namely, the reliability is improved by eliminating permanent magnets, meanwhile, the cost of the motor is reduced, the efficiency is increased, and the vibration acoustic index is improved;

the stator 1 is provided as a stator core made of a material having a high magnetic permeability, the stator 1 is provided with one multiphase coil winding a, B, C, and each of which is located on a separate tooth, and the coils in the stator winding 3 are connected to each other in opposite directions, one part of the composite rotor 2 is made in the form of a support ring 8, the other part of the composite rotor 2 is made in the form of pole inductance of an excitation winding 6, both poles of the excitation winding 6 are made with alternating polarities, the support ring 8 and the excitation winding 6 are fixed to one end of the stator 1, the support ring 8 and the excitation winding 6 are rotated relative to the stator 1, the teeth of the composite rotor 2 are wound with continuous wires, and D and E are connected to terminals of the composite rotor 2, the brush machine of the battery 7 is provided with a constant excitation voltage, one end of the excitation winding 6 is connected to a sliding contact 9, one end of the sliding contact 9 is provided with a slip ring 10,

using the principle of using the coil windings of the rotor instead of using permanent magnets, thus reducing the manufacturing costs of the motor, the power supply of the field windings of the rotating rotor is performed by direct current of a given value, the use of a rotor with field windings allows to adjust the field flux and to simplify the regulation of the motor speed, the field current is not dependent on the current speed, using a contact mechanism by which the current is transmitted from an external source. The excitation system consists of a brush assembly (contact mechanism) and a control system that form a dc voltage converter that provides current regulation in the field winding of the motor when powered by a battery.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Claims

1. The utility model provides a can enlarge synchronous no magnetism motor of medium and low power, includes stator (1), compound rotor (2), support ring (8) and stator winding (3), its characterized in that: the outer end of composite rotor (2) rotates in the outer end of stator (1), stator winding (3) are provided with the multiunit, multiunit stator winding (3) all around-connection is in stator (1) upper end, multiunit stator winding (3) upper end is equallyd divide and is do not around-connection have first stator winding coil (4) and second stator winding coil (5), the one end of stator (1) has excitation winding (6) with crossing the wire winding, the one end of composite rotor (2) is connected with battery (7), the one end electric connection of battery (7) has control system (11).

2. A synchronous nonmagnetic motor capable of amplifying a medium and low power as claimed in claim 1, wherein: the stator (1) is provided as a stator core made of a material having a high magnetic permeability.

3. A synchronous nonmagnetic motor capable of amplifying a medium and low power as claimed in claim 1, wherein: a multi-phase coil winding a, B, C is arranged on the stator (1) and wherein each coil is located on a separate tooth and the coils in the stator winding (3) are interconnected in opposite directions.

4. A synchronous nonmagnetic motor capable of amplifying a medium and low power as claimed in claim 1, wherein: one part of the composite rotor (2) is made in the form of a support ring (8) and the other part of the composite rotor (2) is in the form of pole inductances of the field windings (6).

5. A synchronous nonmagnetic motor capable of amplifying a medium and low power as claimed in claim 4, wherein: the two poles of the excitation winding (6) are made of alternating polarities, the support ring (8) and the excitation winding (6) are fixed to one end of the stator (1), and the support ring (8) and the excitation winding (6) rotate relative to the stator (1).

6. A synchronous nonmagnetic motor capable of amplifying a medium and low power as claimed in claim 4, wherein: the teeth of the composite rotor (2) are wound by continuous wires, the terminals of the composite rotor (2) are connected with D and E, and the electric brush machine of the battery (7) is provided with constant excitation voltage.

7. A synchronous nonmagnetic motor capable of amplifying a medium and low power as claimed in claim 5, wherein: one end of the excitation winding (6) is connected with a sliding contact (9), and one end of the sliding contact (9) is provided with a slip ring (10).