CN206379794U

CN206379794U - A kind of brushless DC motor stator component

Info

Publication number: CN206379794U
Application number: CN201720084248.XU
Authority: CN
Inventors: 权亮; 王伟庭
Original assignee: Shenzhen Masanori Intellectual Control Ltd By Share Ltd
Current assignee: Shenzhen Masanori Intellectual Control Ltd By Share Ltd
Priority date: 2017-01-23
Filing date: 2017-01-23
Publication date: 2017-08-04
Anticipated expiration: 2027-01-23

Abstract

The utility model provides a kind of brushless DC motor stator component, including stator core and the stator winding that is wound in stator core, and the stator core is internally provided with equally distributed groove, it is characterised in that：Slot insulating paper is provided with each groove, the first insulation framework and the second insulation framework are respectively equipped with the axial both sides of stator core；Uniform intervals are provided with fixing hole and supported hole on the end face of the stator core, and the fixing hole is fixedly connected by screw with the end cap of brshless DC motor, and support bar is embedded with the supported hole.The utility model adds the mechanical strength of stator core, reduces vibration, reduces noise；And ensure reliably to insulate between stator winding and stator core, dielectric strength is high, realizes that product insulation is pressure-resistant, and the purpose that safe and reliable, loss of electric machine reduction, efficiency are improved extends the service life of motor.

Description

A kind of brushless DC motor stator component

Technical field

The utility model is related to brshless DC motor, more particularly to a kind of brushless DC motor stator component.

Background technology

Brshless DC motor, has very big similarity with brush motor in structure, also has rotor and stator, only It is opposite with the structure of brush motor；The rotor of brush motor is coil windings, is connected with power output shaft, and stator is permanent-magnet magnetic Steel, and the rotor of brshless DC motor is permanent magnetic steel, is connected together with shell with output shaft, stator is winding coil, is gone Fall brush motor and be used for the commutating brush of checker electromagnetic field, but started by driver, stopped, being braked, Therefore for referred to as brshless DC motor, the brush motor that compares, brshless DC motor have brushless, low interference, noise it is low, Internal resistance is small, service life is long, the low advantageous feature of maintenance cost.With permanent-magnet material process technology and motor manufacturing level and its The development of control technology, the performance of permanent-magnet brushless DC electric machine is continuously available raising, has been widely used in Aero-Space, machine The fields such as people, household electrical appliance, Medical Devices and factory automation.In face of the growing side of the middle and small motor market demand one Face, brshless DC motor has wide development space and opportunity.However, the brshless DC motor of traditional structure, because it is made Valency is high, and complex manufacturing causes performance not to be protected, and noise control exists as the main advantage of brshless DC motor It can not be controlled in production, energy consumption can not be preferably minimized limit.

Utility model content

In order to solve above-mentioned the deficiencies in the prior art, the utility model provides a kind of brushless DC motor stator component.

Technical problem to be solved in the utility model is achieved by the following technical programs：

A kind of brushless DC motor stator component, including stator core and the stator winding that is wound in stator core, institute That states stator core is internally provided with equally distributed groove, it is characterised in that：Slot insulating paper is provided with each groove, The first insulation framework and the second insulation framework are respectively equipped with the axial both sides of stator core；It is uniform on the end face of the stator core Fixing hole and supported hole are interval with, the fixing hole is fixedly connected by screw with the end cap of brshless DC motor, the branch Support is embedded with support bar in hole.

Further, first insulation framework and the second insulation framework are integrated and are molded in stator core.

Further, the stator winding is concentratred winding, and the stator winding is formed by enamel-covered wire coiling,

Further, the enamel-covered wire is QA directly welded enamel-covered wires.

Further, it is coated with insulated paint outside the stator winding.

Further, argon arc welding is evenly distributed on the outer surface of stator core.

Further, be provided with the lead-out wire for being connected with external power source on the stator winding, the stator around The end of group is fixedly connected with lead-out wire by high temperature soldering.

Further, insulating sleeve is arranged with outside the lead-out wire, the end of the lead-out wire is connected with binding post.

Further, the insulating sleeve is heat-shrinkable T bush.

Further, the position contacted in lead-out wire with end cap is provided with outlet pearl.

The utility model has the advantages that：

The utility model adds the mechanical strength of stator core, reduces vibration, reduces noise；And ensure stator winding Reliably insulated between stator core, dielectric strength is high, it is pressure-resistant to realize product insulation, safe and reliable, loss of electric machine reduction, effect The purpose that rate is improved, extends the service life of motor.

Brief description of the drawings

Fig. 1 is three-dimensional structure diagram of the present utility model；

Fig. 2 is the explosive view of the utility model stator core；

Fig. 3 is the structure chart of the utility model lead-out wire.

In figure：1st, stator core, 2, slot insulating paper, the 3, first insulation framework, the 4, second insulation framework, 5, fixing hole, 6, Supported hole, 7, screw, 8, support bar, 9, lead-out wire, 10, insulating sleeve, 11, binding post, 12, outlet pearl, 13, enamel-covered wire.

Embodiment

The utility model is described in detail with reference to the accompanying drawings and examples.

A kind of brushless DC motor stator component, including stator core 1 and the stator winding being wound in stator core 1, The drive end bearing bracket and rear end cap of brshless DC motor are separately fixed at stator module two ends.

The stator winding is three-phase concentratred winding, and three-phase windings are the circuit parts of motor, are passed through three-phase alternating current, Produce rotating excitation field.Mutually insulated between mutually insulated, and three-phase windings between three-phase windings and stator core 1, it is to avoid burn Winding and whole brushless motor stator component.

The stator winding is formed by the coiling of enamel-covered wire 13, and the enamel-covered wire 13 is preferred but is not limited to QA directly weldeds Enamel-covered wire 13.Stator winding uses concentratred winding, and winding initiating terminal and end section are easily distinguishable, and the wiring of lead-out wire 9 understands, is difficult Wrong line.

Further, the stator module also includes slot insulating paper 2, the first insulation framework 3 and the second insulation framework 4, uses In making to insulate between stator core 1 and stator winding, the both sides of the stator core 1 are respectively formed with groove, each described Slot insulating paper 2 described in one is provided with groove, the first insulation framework 3 and the second insulation framework 4 are separately mounted to stator core axial direction Both sides, shape, the size phase of the insulation framework 4 of the first insulation framework 3 and second respectively with the axial both sides end face of stator core It coincide, and the periphery of slot insulating paper 2 is fastened in first, second Insulating frame.Said structure is reliable and stable, dielectric strength is high, It is safe and reliable；First insulation framework 3 and the second insulation framework 4, which are integrated, to be molded in stator core 1, eliminates existing installation The process of insulation framework, improves production efficiency；The purpose for both having reached and having reinforced stator core 1 is once molded, use is formd again In the insulation framework of coiling stator winding, properties of product are improved.

The stator winding is made to be coated with insulated paint outside stator winding, both insulated using dipping high-temperature insulating paint processing There is good conduction heat transfer performance again, realize that product insulation is pressure-resistant, the reduction of the safe and reliable, loss of electric machine, efficiency are improved, heating Amount declines, the purpose of temperature rise reduction, extends the service life of motor.

Uniform intervals are provided with fixing hole 5 and supported hole 6 in the stator core 1, and the fixing hole 5 is by screw 7 with before End cap, rear end cap are fixedly connected, and the geomery of the supported hole 6 is adapted with the geomery of support bar 8；Supported hole 6 with The formation of support bar 8 is embedded to be coordinated；Argon arc welding is evenly distributed on the outer surface of stator core.The utility model uses above-mentioned technology Scheme, adds the mechanical strength of stator core 1, reduces vibration, reduces noise.

The lead-out wire 9 for being connected with external power source, the end of the stator winding are provided with the stator winding It is fixedly connected with lead-out wire 9 by high temperature soldering, it is ensured that connection reliability；Insulating sleeve 10, institute are arranged with outside the lead-out wire 9 The end for stating lead-out wire 9 is connected with binding post 11, and the insulating sleeve 10 is heat-shrinkable T bush；Lead-out wire 9 and binding post 11 Between movable connection, be easy to the arrangement and maintenance of lead, facilitate binding post 11 dismounting and in time inspection.The utility model Using binding post 11, its own electrical connection internal and with outside is enormously simplify, work efficiency is improved.

The position contacted in lead-out wire 9 with end cap is provided with outlet pearl 12, and protection lead-out wire 9 will not be damaged by rear end cap.

Embodiment described above only expresses embodiment of the present utility model, and it describes more specific and detailed, but simultaneously Therefore the limitation to the utility model the scope of the claims can not be interpreted as, as long as using equivalent substitution or the form of equivalent transformation institute The technical scheme of acquisition, all should fall within protection domain of the present utility model.

Claims

1. a kind of brushless DC motor stator component, including stator core and the stator winding that is wound in stator core, it is described Stator core is internally provided with equally distributed groove, it is characterised in that：Slot insulating paper is provided with each groove, Stator core axial direction both sides are respectively equipped with the first insulation framework and the second insulation framework；On the end face of the stator core it is uniform between Every provided with fixing hole and supported hole, the fixing hole is fixedly connected by screw with the end cap of brshless DC motor, the support Support bar is embedded with hole.

2. brushless DC motor stator component as claimed in claim 1, it is characterised in that：First insulation framework and second Insulation framework, which is integrated, to be molded in stator core.

3. brushless DC motor stator component as claimed in claim 1, it is characterised in that：The stator winding for concentrate around Group, the stator winding is formed by enamel-covered wire coiling.

4. brushless DC motor stator component as claimed in claim 3, it is characterised in that：The enamel-covered wire is QA directly welded paints Envelope curve.

5. brushless DC motor stator component as claimed in claim 1, it is characterised in that：It is coated with outside the stator winding absolutely Edge paint.

6. brushless DC motor stator component as claimed in claim 1, it is characterised in that：Argon arc welding is evenly distributed on stator The outer surface of iron core.

7. brushless DC motor stator component as claimed in claim 1, it is characterised in that：Use is provided with the stator winding In the lead-out wire being connected with external power source, the end of the stator winding is fixedly connected with lead-out wire by high temperature soldering.

8. brushless DC motor stator component as claimed in claim 7, it is characterised in that：Insulation is arranged with outside the lead-out wire Sleeve pipe, the end of the lead-out wire is connected with binding post.

9. brushless DC motor stator component as claimed in claim 8, it is characterised in that：The insulating sleeve is thermal shrinkable sleeve Pipe.

10. brushless DC motor stator component as claimed in claim 7, it is characterised in that：In lead-out wire and brushless dc The position of generator terminal lid contact is provided with outlet pearl.