CN201160243Y

CN201160243Y - Motor

Info

Publication number: CN201160243Y
Application number: CNU200820044237XU
Authority: CN
Inventors: 鲁楚平
Original assignee: Zhongshan Broad Ocean Motor Co Ltd
Current assignee: Zhongshan Broad Ocean Motor Co Ltd
Priority date: 2008-02-18
Filing date: 2008-02-18
Publication date: 2008-12-03
Anticipated expiration: 2018-02-18

Abstract

The utility model relates to a motor, which comprises a front end cap 1, a rear end cap 2, a rotor assembly and a stator assembly, wherein the stator assembly comprises a stator core 3 and a stator winding 4, both end faces of the stator core 3 are molded with an end-part insulation layer 5. The end-part insulation layer and the stator core are injected to form an integral, so as to not be easy for removal, moreover the motor has the advantages of good insulation property, simple manufacture and good reliability.

Description

A kind of motor

Technical field:

The utility model relates to a kind of motor.

Background technology:

At present, single phase series motivated motor structurally have a following technological deficiency: 1) traditional single-phase series motor stator insulation system is after embedding insulation tank paper earlier in the line embedding groove of stator core assembly, again insulating end plate is pressed on the stator core assembly end face, electrical machine insulation intensity after stator insulated groove paper axially moves, may occurs and not reach the related check standard, easily cause adverse consequences such as puncture in the stator core assembly.What 2) traditional single-phase series motor rotor assembly adopted is that slot wedge paper is inserted rotor core notch place, thereby seal the opening of line embedding groove on the rotor, play the purpose that prevents rotor line bag fly line and insulation, but the slot wedge paper in each rotor line embedding groove is because of being a single part, in manufacture process, drop out from rotor easily, and installation effectiveness is low; Because of slot wedge paper has certain distance apart from the rotor notch, formed wind resistance noise is very big when rotor high-speed moves, and makes electric efficiency low.3) thus traditional single-phase series motor cause the machine operation not steady in when operation because of the sudden change of working voltage, what 4) adopt during the assembling of traditional single phase series motivated motor is bolted mode, motor stator and rotor assembly, front and back ends cap assemblies are bound up, and bolted mode exists following defective: A, bolted mode to make the rotor assembly not high with respect to the concentricity of stator module; B, bolt are with nut bolt to be locked one by one when connecting; The fit system of bolt and stator core is a matched in clearance, and the gap is bigger, if use interference fits just not connect when the thread back nut that is subjected to damaging; D, bolt connect bad phenomenon such as being prone to sliding tooth.

Summary of the invention:

The purpose of this utility model provides a kind of good insulating, makes single phase series motivated motor simple, better reliability.

The technical solution of the utility model is achieved in that

A kind of motor comprises front end housing and rear end cap, rotor assembly and stator module, and wherein stator module comprises stator core and stator coil winding, is injected with the overhang insulation layer on the both ends of the surface of stator core.Overhang insulation layer and stator core are injection molded into one, are not moved easily, and good insulating, make simple, better reliability.

Above-mentioned described overhang insulation layer runs through the slotted eye of stator core.The overhang insulation layer that is positioned at two ends is coupled together and play certain insulating effect.

Above-mentionedly describedly at stator core teeth groove is set and inlays the stator coil winding, be equipped with the inwall insulating barrier on the inwall of teeth groove present position.Solve Insulation Problems between stator core inwall and the stator coil winding, good insulating, it is simple easy to make, stable performance.

Above-mentioned described inwall insulating barrier can extend on the stator core inwall between adjacent and two teeth groove.Further improve insulating properties.

Above-mentioned described overhang insulation layer, inwall insulating barrier can the integral molded plastic moulding.Can single injection-molded, technology is simple, the efficient height.Form a full integral body by injection mo(u)lding, do not have situation about relatively moving, thereby avoided the defective of electrical strength aspect.

Stretch out the coil baffle plate on the end face of above-mentioned described overhang insulation layer.The coil baffle plate can block the stator coil winding, makes it to rely on rotor, and makes the stator coil winding arrange neat more standard, and insulating properties further improves.

In order to solve single-phase series motor rotor fly line, noise and Insulation Problems in the course of the work, above-mentioned described rotor comprises rotor core, rotor coil winding, noise control frame and commutator, the rotor coil winding is embedded in the teeth groove the inside of the outer surface of rotor core, the noise control frame is installed in the opening part that the end end of rotor core and inserted sheet that the noise control frame stretches out are inserted into teeth groove, and the outer surface of inserted sheet is concordant substantially with the rotor core outer round surface.Original all slot wedge paper replacings are designed to a whole noise control frame; The noise control frame is consistent with the rotor core height, and noise is little during operation, the efficient height, and fly line situation, good insulating can not appear.

For the sudden change because of working voltage when moving that solves traditional single-phase series motor causes the jiggly problem of operation, above-mentioned described rotating shaft afterbody on rotor assembly is equipped with velometer.Described velometer is a small generator, comprises magnet carrier that is installed in the rotating shaft afterbody and the wound stator assembly that is installed in the magnet carrier outside.Utilize the principle of generator, on the rotor assembly, load onto a little generator, make control system obtain a signal of motor running speed, pass through signal feedback, control system realizes automatic Regulation, and motor is worked under a rotating speed of setting all the time, guarantees that motor operates steadily.

Move not plateau problem in order to solve not high the causing of the concentricity that bolted mode caused of adopting when traditional single phase series motivated motor assembles, above-mentioned described motor housing comprises front end housing assembly and rear end cap assembly, and the front end housing assembly is buckled riveting with the rear end cap assembly by rivet and is in the same place.By once detaining the riveter skill, 4 disposable stator and rotor assembly, front and rear covers of motor of making of rivet are coupled together, guaranteed the concentricity of motor, thereby made that motor operates steadily, efficient improves, temperature rise reduces.The button riveting adds man-hour, and the longitudinal center line of motor stator core, front and rear cover bearing chamber levels off to perfect condition: good concentricity; The button riveting adds man-hour, and because of rivet has passed the stator and rotor assembly of motor, the installing hole of front and rear cover, button riveter adorns and earlier the stator core assembly positioned, and makes it to produce the displacement of all directions, and button riveting action is finished in hydraulic press action then; The rivet and the stator core pilot hole gap that are used to detain riveting are very little, and monolateral have only 0.1mm, and after the button riveting was finished, motor stator core did not go out after with the shearing force of 500N now to move yet.

Description of drawings:

Below in conjunction with drawings and Examples the utility model is further specified.

Fig. 1 is an installation diagram of the present utility model;

Fig. 2 is the right view of Fig. 1;

Fig. 3 is the front view of injection moulded stator iron core of the present utility model;

Fig. 4 is the A-A cutaway view of Fig. 3;

Fig. 5 is the B-B cutaway view of Fig. 3;

Fig. 6 is the C-C cutaway view of Fig. 4;

Fig. 7 is the structural front view of the utility model noise control frame;

Fig. 8 is the left view of Fig. 7;

Fig. 9 is noise control frame and rotor core assembling schematic diagram.

Embodiment:

Fig. 1 is to shown in Figure 9, and the utility model comprises front end housing 1 and rear end cap 2, rotor assembly and stator module, and wherein stator module comprises stator core 3 and stator coil winding 4, is injected with overhang insulation layer 5 on the both ends of the surface of stator core 3.Overhang insulation layer 5 runs through the slotted eye 6 of stator core 3.Inlay at stator core 3 on the inwall of teeth groove 7 present positions of stator coil winding 4 and be equipped with inwall insulating barrier 8.Inwall insulating barrier 8 can extend on stator core 3 inwalls between adjacent and two teeth groove 7.Described overhang insulation layer 5, inwall insulating barrier 8 can the integral molded plastic moulding.On the end face of overhang insulation layer 5, stretch out coil baffle plate 9.Described rotor assembly comprises rotor core 10, rotor coil winding 11, noise control frame 12 and commutator 13, rotor coil winding 11 is embedded in teeth groove 18 the insides of rotor core 10, noise control frame 12 is installed in the opening part that the two ends of rotor core 10 and inserted sheet 14 that noise control frame 12 stretches out are inserted into teeth groove 18, and the outer surface of inserted sheet 14 is concordant substantially with rotor core 10 outer round surface.Afterbody in the rotating shaft 15 of rotor is equipped with velometer.Described velometer is a small generator, comprises magnet carrier 16 that rotating shaft 15 afterbodys are installed and the wound stator assembly 17 that is installed in magnet carrier (16) outside.In motor operation time,, the velometer that is contained on the machine shaft is that generator rotates simultaneously with rotor, because of it is the magnet carrier of a rotation, so the velometer stator is fixed on a wound stator assembly 17 of back end cover for motor will output current; Control system changes into digital signal after obtaining the electric current of velometer output, and control system can realize the adjustment of voltage according to this current signal, it make motor all the time Yu hold a metastable rotating speed, thereby motor is operated steadily, noise reduces.Described motor housing comprises front end housing 1 and rear end cap 2, and front end housing 1 is buckled riveting with rear end cap 2 by rivet 19 and is in the same place.

Claims

1, a kind of motor, comprise front end housing (1) and rear end cap (2), rotor assembly and stator module, wherein stator module comprises stator core (3) and stator coil winding (4), it is characterized in that: be injected with overhang insulation layer (5) on the both ends of the surface of stator core (3).

2, a kind of motor according to claim 1 is characterized in that: overhang insulation layer (5) runs through the slotted eye (6) of stator core (3).

3, a kind of motor according to claim 1 and 2 is characterized in that: at stator core (3) teeth groove (7) is set and inlays stator coil winding (4), be equipped with inwall insulating barrier (8) on the inwall of teeth groove (7) present position.

4, a kind of motor according to claim 3 is characterized in that: inwall insulating barrier (8) can extend on stator core (3) inwall between adjacent two teeth groove (7).

5, a kind of motor according to claim 4 is characterized in that: described overhang insulation layer (5), inwall insulating barrier (8) can the integral molded plastic moulding.

6, a kind of motor according to claim 1 and 2 is characterized in that: stretch out coil baffle plate (9) on the end face of overhang insulation layer (5).

7, a kind of motor according to claim 1 and 2, it is characterized in that: described rotor assembly comprises rotor core (10), rotor coil winding (11), noise control frame (12) and commutator (13), rotor coil winding (11) is embedded in teeth groove (18) the inside of rotor core (10), noise control frame (12) is installed in the opening part that the two ends of rotor core (10) and inserted sheet (14) that noise control frame (12) stretches out are inserted into teeth groove (18), and the outer surface of inserted sheet (14) is concordant substantially with rotor core (10) outer round surface.

8, a kind of motor according to claim 3 is characterized in that: the afterbody in the rotating shaft (15) of rotor is equipped with velometer.

9, a kind of motor according to claim 3 is characterized in that: described velometer is a small generator, comprises the magnet carrier (16) that rotating shaft (15) afterbody is installed and is installed in wound stator assembly (17) outside the magnet carrier (16).

10, a kind of motor according to claim 3 is characterized in that: front end housing (1) and rear end cap (2), front end housing (1) and rear end cap (2) are buckled riveting together by rivet (19).