CN201536309U - transverse winding dc brushless motor - Google Patents

Abstract

The utility model discloses a transverse winding DC (direct current) brushless motor, which includes a DC brushless stator and a DC brushless rotor formed on an insulated injection-molding material body through one-step injection-molding. The DC brushless stator comprises a motor stator insert, a motor stator winding, a motor stator silicon-steel plate and a motor stator wire jumper plate, which are formed through injection-molding and connected, wherein each phase of coil in the motor stator winding is transversely wound on the motor stator wire jumper plate, the head of each phase of coil is sequentially and correspondingly welded with a head of the motor stator wire jumper plate. The DC brushless rotor is formed by adhering permanent magnet sheets onto an outer rotor housing. The DC brushless rotor and the motor coil wire jumper plate are plastic-packaged. The transverse winding of the motor increases the magnetic flux and the output torque. The permanent magnet sheets of the rotor are regularly and evenly adhered onto the periphery of the outer rotor punched and formed housing, the bottom of the rotor is injection-molded and integrated with a connecting steel plate into a whole through injection-mold, and the injection-molding is completed in one step, so that the precision of the connection with an external interface is ensured.

Description

Dc brushless motor laterally winds the line

Technical field

The utility model relates to a kind of non-brush permanent-magnet DC motor, particularly relates to the motor stator of new construction and the non-brush permanent-magnet DC motor of rotor.

Background technology

A large amount of dc brushless motors that use on prior art such as the market, its rotor and stator normally silicon steel sheet and coil winding form, after be fixed on motor housing or the motor base, the center line of coil is vertical with the permanent magnetism plate plane of rotor simultaneously, its coil exposes in air, and insulating motor coil paint scratch or high-voltage breakdown all work the mischief to human body safety.Simultaneously, the silicon steel sheet of its motor adopts whole punch forming, has caused waste of material.As the patent No. is that ZL02266775.x China utility model patent discloses a kind of permanent magnet DC motor, and this patent is directly installed on rotor and magnetic shoe on the end cap exactly, and its rotor and ironcore choke all expose in air; And this motor also has traditional brush assembly.This patented technology scheme has just simply carried out original permanent magnet DC motor partly improving, and is convenient to make and install, and efficiency of motor and security performance do not have too big raising.

Summary of the invention

Technical problem to be solved in the utility model is the present situation at prior art, provides a kind of integrated modeization, modularization of providing in one, has high-efficient low-noise, structure is special, and is simple, the security performance height, the efficiency height, easy for installation, be fit to the horizontal coiling dc brushless motor of producing in enormous quantities.

The utility model solves the problems of the technologies described above the technical scheme that is adopted: dc brushless motor laterally winds the line, wherein: comprise dc brushless motor stator and the dc brushless motor rotor of single injection-molded on the insulating plastic material body, the dc brushless motor stator is by the motor stator inserts, motor stator winding, motor stator silicon steel sheet and the injection mo(u)lding of motor stator jumper wire board are formed by connecting, each phase coil in the motor stator winding is and laterally is wound on the motor stator jumper wire board, the end of a thread of each phase coil all with corresponding successively being welded of the end of a thread of motor stator jumper wire board; The dc brushless motor rotor is pasted on outer rotor case by the permanent magnetism sheet and forms.

The measure of taking also comprises:

Be embedded with at least four motor stator inserts on the above-mentioned motor stator silicon steel sheet, each motor stator inserts is with the motor stator silicon steel sheet section of being divided into, motor stator winding is respectively around between two motor stator inserts, two adjacent motor stator windings lead to the end of a thread A end respectively, the end of a thread B end, the end of a thread C end, the end of a thread D end.

Above-mentioned the end of a thread A end, the end of a thread B end, the end of a thread C end, the end of a thread D end respectively successively with the end of a thread A interface of motor stator jumper wire board, the end of a thread B interface, the end of a thread C interface, the welding of the end of a thread D interface.

The triple line astragal is arranged in the above-mentioned motor stator winding, and motor triple line astragal is connected with corresponding motor first interfaces, motor second interfaces, motor third phase interface respectively.

Compare with existing dc brushless motor, the dc brushless motor rotor that the utility model adopts adopts the ambroin single injection-molded, and motor laterally winds the line and the stator silicon steel structure adopts split combination, stack riveted joint to form.Reduce the waste of material that the whole punching press of common electric machine stator silicon steel sheet causes, reduced material cost, and with this dc brushless motor rotor and motor coil jumper wire board plastic packaging.Motor laterally winds the line, and magnetic flux is increased, and output torque is bigger, and efficient is higher.The permanent magnet pieces of its rotor evenly is adhered to around the external rotor punch forming housing regularly, and rotor bottom will connect steel plate by injection mo(u)lding and be injection molded into one, and disposable injection moulding connection, has guaranteed the precision that is connected with external interface.

Description of drawings

Fig. 1 is the stator winding schematic diagram of the utility model embodiment;

Fig. 2 is a plastic package brushless direct current motor stator jumper wire board schematic diagram of the present utility model;

Fig. 3 is a dc brushless motor rotor full section schematic diagram of the present utility model;

Fig. 4 is a dc brushless motor rotor front view of the present utility model;

Fig. 5 is a plastic package brushless direct current motor rotor silicon steel sheet lamination schematic diagram of the present utility model;

Fig. 6 is a general assembly structural representation of the present utility model.

Embodiment

Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.

Figure grade explanation: motor stator inserts 1, motor stator winding 2, motor stator silicon steel sheet 3, motor first interfaces 4, motor second interfaces 5, motor third phase interface 6, the end of a thread A interface 7, the end of a thread B interface 8, the end of a thread C interface 9, the end of a thread D interface 10, permanent magnetism sheet 11, outer rotor case 12, the end of a thread A end 13, the end of a thread B end 14, the end of a thread C end 15, the end of a thread D end 16, stator jumper wire board 17, dc brushless motor stator 18, insulating plastic material body 19.

Extremely shown in Figure 6 as Fig. 1, dc brushless motor laterally winds the line, comprise dc brushless motor stator 18 and the dc brushless motor rotor of single injection-molded on insulating plastic material body 19, wherein: dc brushless motor stator 18 is by motor stator inserts 1, motor stator winding 2, motor stator silicon steel sheet 3 and 17 injection mo(u)ldings of motor stator jumper wire board are formed by connecting, each phase coil in the motor stator winding 2 is and laterally is wound on the motor stator jumper wire board 17, the end of a thread of each phase coil all with corresponding successively being welded of the end of a thread of motor stator jumper wire board 17; Motor stator winding 2 adopts horizontal winding structure, and motor magnetic flux is increased, and output torque is bigger, and efficient is higher.Shown in Figure 3, the dc brushless motor rotor is pasted on outer rotor case 12 by permanent magnetism sheet 11 and forms, after the stickup as shown in Figure 4.Adopted barbola work, adopted glue to paste usually and get final product, permanent magnetism sheet 11 can be pasted in the outer rotor case 12.The utility model assembling is installed more convenient, and installation accuracy is higher, and the complete machine cost is lower.

Be embedded with at least four motor stator inserts 1 on the motor stator silicon steel sheet 3, among Fig. 1, each motor stator inserts 1 is divided into 2 sections with motor stator silicon steel sheet 3, motor stator winding 2 is respectively around between two motor stator inserts 1, as shown in Figure 5, two adjacent motor stator windings 2 lead to the end of a thread A end 13 respectively, the end of a thread B end 14, the end of a thread C end 15, the end of a thread D end 16.Shown in Figure 2, the end of a thread A end 13, the end of a thread B end 14, the end of a thread C end 15, the end of a thread D end 16 respectively successively with the end of a thread A interface 7 of motor stator jumper wire board 17, the end of a thread B interface 8, the end of a thread C interface 9,10 welding of the end of a thread D interface.The triple line astragal is arranged in the motor stator winding 2, and motor triple line astragal is connected with corresponding motor first interfaces 4, motor second interfaces 5, motor third phase interface 6 respectively.

Advantage of the present utility model is: its motor stator has adopted plastic package process and horizontal winding structure and permanent magnetism sheet 11 glue barbola works, makes the motor manufacturing more succinct, and Electric Machine Control is more succinct.And motor laterally winds the line, and magnetic flux is increased, and output torque is bigger, and efficient is higher.

Most preferred embodiment of the present utility model is illustrated, and various variations or the remodeling made by those of ordinary skills can not break away from scope of the present utility model.

Claims (4)

1. dc brushless motor laterally winds the line, it is characterized in that: comprise dc brushless motor stator (18) and the dc brushless motor rotor of single injection-molded on insulating plastic material body (19), described dc brushless motor stator (18) is by motor stator inserts (1), motor stator winding (2), motor stator silicon steel sheet (3) and motor stator jumper wire board (17) injection mo(u)lding are formed by connecting, each phase coil in the described motor stator winding (2) is and laterally is wound on the described motor stator jumper wire board (17), the end of a thread of described each phase coil all with corresponding successively being welded of the end of a thread of described motor stator jumper wire board (17); Described dc brushless motor rotor is pasted on outer rotor case (12) by permanent magnetism sheet (11) and forms.

2. the described horizontal coiling dc brushless motor of root a tree name claim 1, it is characterized in that: be embedded with at least four motor stator inserts (1) on the described motor stator silicon steel sheet (3), each described motor stator inserts (1) is divided into 2 sections with motor stator silicon steel sheet (3), motor stator winding (2) is respectively around between two motor stator inserts (1), adjacent two described motor stator windings (2) lead to the end of a thread A end (13) respectively, the end of a thread B holds (14), the end of a thread C holds (15), and the end of a thread D holds (16).

3. the described horizontal coiling dc brushless motor of root a tree name claim 2, it is characterized in that: described the end of a thread A end (13), the end of a thread B holds (14), the end of a thread C holds (15), the end of a thread D end (16) respectively successively with the end of a thread A interface (7) of described motor stator jumper wire board (17), the end of a thread B interface (8), the end of a thread C interface (9), the end of a thread D interface (10) welding.

4. the described horizontal coiling dc brushless motor of root a tree name claim 3, it is characterized in that: described motor stator winding has the triple line astragal in (2), described motor triple line astragal is connected with corresponding motor first interfaces (4) respectively, motor second interfaces (5), motor third phase interface (6).

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