CN203151263U

CN203151263U - Motor stator and its wiring device

Info

Publication number: CN203151263U
Application number: CN 201320053153
Authority: CN
Inventors: 姚立和; 林松庆
Original assignee: Individual
Current assignee: Individual
Priority date: 2013-01-25
Filing date: 2013-01-30
Publication date: 2013-08-21
Anticipated expiration: 2023-01-30
Also published as: TWI487248B; CN103973018B; CN103973018A; TW201431253A

Abstract

The utility model relates to a motor stator and wiring device thereof, it includes an iron core, be equipped with a plurality of coil windings in the inboard interval of iron core, and set up the wiring device in iron core one side, the wiring device includes a plurality of connection pieces and an outer frame body, each connection piece is metallic conductor and includes an arc section and at least one connection portion, these a little arc sections are long narrow shape lamellar and are convex to the bending along the major axis, these a little coil windings are connected respectively to these a little connection portions, wherein a plurality of connection pieces supply the connection source, these a little connection pieces of this outer frame body cladding are separated to these a little connection pieces, the utility model discloses by modular wiring device's design, each coil winding of erection joint that can be simple and easy, and under the condition that does not increase motor stator whole thickness, provide the more current volume and pass through, and applicable in powerful motor specification.

Description

Motor stator and tie lines device thereof

Technical field

The utility model refers to a kind of tie lines device of respectively organizing coil windings on the stator that connects especially about a kind of stator structure of motor.

Background technology

Motor is a kind of device commonly used, and it can convert electrical energy into the mechanical energy of rotation, and motor can be divided into three-phase motor and single-phase motor again according to pattern.Be provided with stator and rotor in the housing of three-phase motor, stator is fixed on the motor shell, and rotor is rotating to be arranged in the stator.Be symmetrically distributed with a plurality of coil windings on the stator, those coil windings can be divided into three groups according to polarity, and the input three phase mains can produce rotating magnetic field during use, and then drive the rotor rotation.

The three-phase motor stator of prior art, it includes the iron core that the silicon steel sheet by the lamination setting constitutes, be interval with a plurality of worker's type posts on the internal ring wall face unshakable in one's determination, and on each worker's type post, be respectively equipped with a coil windings, be connected to form corresponding phase place by electric wire with the specific order of connection again between each coil windings, the cross section of electric wire is rounded.

Yet, prior art is owing to use electric wire to connect each coil windings, must connect corresponding coil windings respectively with a plurality of electric wires during installation, therefore it is comparatively complicated that it installs formality, have the inconvenience of installing, and the magnitude of current that can import also can be subjected to the restriction of electric wire, and the power output of motor will be subjected to the problem of the restriction of electric wire.

The utility model content

Because the motor stator of prior art has the shortcomings such as magnitude of current deficiency that formality is comparatively complicated and can import are installed, the utility model design has a kind of motor stator and tie lines device thereof, and it can reach simple and easy and connect each coil windings fast and can pass through the more purpose of high-amperage.

For reaching above-mentioned purpose, the utility model design has a kind of tie lines device of motor stator, and its technological means of using includes: a plurality of braces and an outer framework are set; Each brace is metallic conductor, each brace all includes an arc fragment and more than one junction, this arc fragment is circular arc along major axis to bending, this junction connects this arc fragment, extend respectively on the arc fragment of the wherein multi-disc brace in those braces and be provided with a power input part, the arc fragment of those braces respectively at interval stacked setting also arrange and form annular; Should outer framework be one to be the torus of annular, it be that insulating material is made, and this outer framework is coated on those braces, and outer framework separates the arc fragment of those braces, and it is external that the junction of those braces and power input part protrude from housing.

The tie lines device of described motor stator, wherein those junctions toward those braces around the center of circle direction of the annular that forms.

The tie lines device of described motor stator, wherein this junction and power input part are lamellar body and are equipped with sleeve joint hole.

A kind of motor stator with described tie lines device, it includes an iron core, a plurality of coil windings and this tie lines device; This iron core is by a plurality of silicon steel sheet institute's laminations and the circular hollow cylinder that is connected and forms, and this inside unshakable in one's determination is outstanding to be formed with a plurality of worker's type posts, and each worker's type post is spaced setting along the inner periphery wall of iron core; Those coil windings are separately positioned on those worker's type posts of this iron core, and being respectively equipped with on each coil windings is two lead divisions, and each lead division all is positioned at place, the same side unshakable in one's determination; This tie lines device is arranged on a side of this iron core, and each junction of those braces connects each lead division of those coil windings respectively.

Described motor stator with tie lines device, the external diameter that wherein is somebody's turn to do outer framework is equal to or less than this external diameter unshakable in one's determination.

Described motor stator with tie lines device, wherein the quantity of those coil windings is 12 groups, the brace of this tie lines device includes three first kind braces, nine second class braces and a slice the 3rd class brace; This first kind brace includes an arc fragment, a junction and a power input part, and this junction and power input part are separately positioned on the place, two ends of this arc fragment; This second class brace includes an arc fragment and two junctions, and this two junction is separately positioned on the place, two ends of this arc fragment; The 3rd class brace includes an arc fragment and three junctions, and wherein two junctions are separately positioned on the place, two ends of this arc fragment, and another junction is arranged on the middle section of this arc fragment.

By the utilization of above-mentioned technological means, this tie lines device forms a modular member, can be set directly at a side of this iron core and connect those coil windings, reaches the purpose that formality is installed in effective simplification.Each brace is because the lamellar body sectional area is rectangular, under the situation that takies the same space cross-sectional sizes, its lamellar body sectional area is used for the sectional area of the circular cross-section lead of each coil windings of connection greater than prior art, therefore tie lines device of the present utility model is obtained preferable electrical conductance with bigger lamellar body sectional area, can in the unit interval, pass through the bigger magnitude of current, because the current value that can import will influence motor performance, and the restriction of current value comes from the sectional area of the enamelled wire conductor of coil windings, when yet the sectional area of enamelled wire conductor is more big, then the sectional area of tie lines device need be more big to mate mutually with the enamelled wire conductor, therefore tie lines device of the present utility model can be taken into account the sectional area of enamelled wire conductor under the volume of minimum, the current value that can import higher than round conductor, not only provide motor to have bigger power, also take into account dwindling of motor overall volume simultaneously, and integral width protrudes from the distance in the outside unshakable in one's determination corresponding to winding coil, therefore the tie lines device can be under the situation that does not increase the motor stator integral thickness, each coil windings is interconnected, and can take into account power and overall volume, have suitable practicality and convenience.

Below in conjunction with the drawings and specific embodiments the utility model is described in detail, but not as to restriction of the present utility model.

Description of drawings

Fig. 1 is stereo appearance figure of the present utility model;

Fig. 2 is three-dimensional exploded view of the present utility model;

Fig. 3 is the three-dimensional exploded view of brace of the present utility model;

Fig. 4 is side-looking schematic appearance of the present utility model;

Fig. 5 is another three-dimensional exploded view of brace of the present utility model.

Wherein, Reference numeral

10 iron cores

11 type posts

20 coil windings

21 lead divisions

30 tie lines devices

31 braces

310 arc fragments

311 junctions

312 power input parts

313,314 sleeve joint holes

32 outer frameworks

33 first kind braces

34 second class braces

35 the 3rd class braces

Embodiment

Below in conjunction with the drawings and specific embodiments technical solutions of the utility model being described in detail, further understanding the purpose of this utility model, scheme and effect, but is not the restriction as the utility model claims protection range.

The utility model is a kind of motor stator and tie lines device thereof, sees also Figure 1 and Figure 2, and this motor stator includes an iron core 10, a plurality of coil windings 20 and a tie lines device 30.

This iron core 10 is prior art, and it includes a plurality of silicon steel sheets, each folded silicon steel slice and be connected and form the circular hollow cylinder with suitable thickness, and its inner outstanding a plurality of worker's type posts 11 that are formed with,

Each worker's type post 11 along unshakable in one's determination 10 the inner periphery wall and be spaced setting, in specific embodiment of the utility model, the quantity of these iron core 10 inner worker's type posts 11 that arrange is 12.

(for example: enamelled wire) winding is formed on worker's type post 11 of this iron core 10 this coil windings 20 with conducting material, the place, two ends of the conducting material on each coil windings 20 forms a lead division 21 respectively, and this two lead division 21 is positioned at the place, the same side of coil windings 20.The two opposite outer place of those coil windings 20 protrudes from the place, both sides of this iron core 10.The quantity of the coil windings 20 in specific embodiment of the utility model is 12 groups.

Please cooperate and consult Fig. 2 to shown in Figure 4, this tie lines device 30 includes a plurality of braces 31 and an outer framework 32.

Brace 31 is made for metallic conductor, all include an arc fragment 310, it is laminar and be circular arc along major axis to bending that this arc fragment 310 is long narrow shape, brace 31 is provided with at least two junctions 311, the side that this junction 311 connects this arc fragment 310 and is positioned at arc fragment 310, those junctions 311 are for the lead division 21 that connects those coil windings 20.There are a plurality of braces 31 only to have the brace 31 of a junction 311 in those braces 31, those only have to extend on the arc fragment 310 of brace 31 of a junction 311 and are provided with a power input part 312, those power input parts 312 are corresponding to polyphase source, dispose three phase mains in specific embodiment of the utility model, brace 31 quantity that therefore have power input part 312 are three.The junction 311 of those braces 31 and the annexation of power input part 312 and relative position be corresponding to the electric wire group that is used for connecting each winding coil in the multipole three-phase motor of having of prior art, therefore can have different annexations and relative position along with the quantity of unshakable in one's determination 10 set coil windings 20.Stacked setting and arrangement form annular to the arc fragment 310 of those braces 31 at interval respectively, those junctions 311 are toward the center of circle direction of annular, those brace 31 formed annulus external diameters are slightly less than the external diameter of this iron core 10, and the outstanding distance that the lamellar body width of the arc fragment 310 of those braces 31 and those coil windings 20 protrude from this iron core 10 is close.In specific embodiment of the utility model, this junction 311 is for lamellar body and be equipped with sleeve joint hole 313, and those power input parts 312 are for lamellar body and be equipped with sleeve joint hole 314.

Have multipole three-phase motor stator and have available for different connection modes, be example with the stator structure with 12 grooves, can utilize the change of the mode of connection, make it become different numbers of poles such as the ends of the earth, ten utmost points, in specific embodiment of the utility model, coil windings with the motor stator of ten utmost points, 12 grooves is example, cooperates to consult Fig. 3 to shown in Figure 5, and those braces 31 specifically can be divided into first kind brace 33, the second class brace 34 and the 3rd class brace 35.

The quantity of this first kind brace 33 is three, be respectively applied to connect three phase mains to a wherein lead division 21 of coil windings 20, it includes an arc fragment 310, a junction 311 and a power input part 312, and this junction 311 and power input part 312 are separately positioned on the place, two ends of this arc fragment 310.

The quantity of this second class brace 34 is nine, be respectively applied to connect a wherein lead division 21 of two coil windings 20, this second class brace 34 includes an arc fragment 310 and two junctions 311, and this two junction 311 is separately positioned on the place, two ends of this arc fragment 310.

The quantity of the 3rd class brace 35 is a slice, be used for connecting simultaneously a wherein lead division 21 of three-winding winding 20, the 3rd class brace 35 includes an arc fragment 310 and three junctions 311, wherein two junctions 311 are arranged at the place, two ends of arc fragment 310, and another junction 311 is arranged on the middle section of arc fragment 310.

Should outer framework 32 be one to be the torus of annular, it is that insulating material is made, should outer framework 32 be coated on those braces 31, and be provided with a plurality of independently coating spaces in the outer framework 32 to coat the arc fragment 310 of those braces 31, the arc fragment 310 of separating those braces 31 by this, make between its each arc fragment 310 can not be in contact with one another, the junction 311 of those braces 31 and power input part 312 are stretched on outside the outer framework 32.In specific embodiment of the utility model, this outer framework 32 is arranged on those braces 31 to coat shoot mode.Should outer framework 32 have the phase concentric with those brace 31 formed annulus.

Utilization by above-mentioned technological means, this tie lines device 30 namely forms a modular member, and can be set directly at a side of this iron core 10, each brace 31 has the same center of circle with this iron core 10, this tie lines device 30 connects the lead division 21 of the coil windings 20 that is positioned at the adjacent position respectively with the junction 311 of each brace 31, those junctions 311 are with its sleeve joint hole 313 sheathed those lead divisions 21, can finish the electrical connection between each coil windings 20, provide by this between those coil windings 20 to connect rapidly by tie lines device 30, effective simplification is installed formality.Can in the unit interval, pass through the bigger magnitude of current, because the current value that can import will influence motor performance, and the restriction of current value comes from the sectional area of the enamelled wire conductor of coil windings 20, when yet the sectional area of enamelled wire conductor is more big, then the sectional area of tie lines device need be more big to mate mutually with the enamelled wire conductor, therefore tie lines device of the present utility model can be taken into account the sectional area of enamelled wire conductor under the volume of minimum, the current value that can import higher than round conductor, not only provide motor to have bigger power, also take into account dwindling of motor overall volume simultaneously, and integral width protrudes from the distance in the outside unshakable in one's determination corresponding to winding coil, therefore the tie lines device can be under the situation that does not increase the motor stator integral thickness, each coil windings is interconnected, and can take into account power and overall volume, have suitable practicality and convenience.

Each brace 31 is because the lamellar body sectional area is rectangular, under the situation that takies the same space cross-sectional sizes, use the square-section to obtain the bigger area occupation ratio that accounts for than circular cross-section, therefore can have preferable electrical conductance, can in the unit interval, pass through the bigger magnitude of current, therefore more be applicable to powerful motor.Because the current value that can import will influence motor performance, and the restriction of current value comes from the sectional area of the enamelled wire conductor of coil windings 20, when yet the sectional area of enamelled wire conductor is more big, then the sectional area of tie lines device 30 need be more big to mate mutually with the enamelled wire conductor, therefore tie lines device 30 of the present utility model can be taken into account the sectional area of enamelled wire conductor under the volume of minimum, the current value that can import higher than round conductor, not only provide motor to have bigger power, also take into account dwindling of motor overall volume simultaneously.

The integral width of each brace 31 of this tie lines device 30 protrudes from the distance in 10 outsides unshakable in one's determination corresponding to winding coil 20, therefore tie lines device 30 can be under the situation that does not increase the motor stator integral thickness, each coil windings 20 is interconnected, arc lamellar body 310 width of each brace 31 and rough being directly proportional of the magnitude of current that can tolerate, along with the current specification of importing is more big, the distance of 20 10 projections unshakable in one's determination relatively of coil windings can be more big, and arc lamellar body 310 can be set to have bigger width, therefore has the electrical conductance corresponding with current specification.

Certainly; the utility model also can have other various embodiments; under the situation that does not deviate from the utility model spirit and essence thereof; those of ordinary skill in the art work as can make various corresponding changes and distortion according to the utility model, but these corresponding changes and distortion all should belong to the protection range of the appended claim of the utility model.

Claims

1. A wiring device for a motor stator, characterized in that it includes a plurality of connecting pieces and an outer frame;

Each connecting piece is a metal conductor, and each connecting piece includes an arc segment and more than one conducting portion. A power input part is respectively extended on the arc segments of the plurality of connecting pieces, and the arc segments of the connecting pieces are stacked at intervals and arranged to form a circular ring;

The outer frame body is a circular ring body, which is made of insulating material. The outer frame body covers the connecting pieces, and the outer frame body separates the arc segments of the connecting pieces. The connecting part and the power input part of the connecting piece protrude outside the outer frame.

2 . The wire connection device for a motor stator according to claim 1 , wherein the connecting portions face toward the center of the circular ring formed by the connecting pieces. 3 .

3 . The wiring connection device for motor stator according to claim 1 or 2 , characterized in that, the guiding part is a sheet body and is pierced with socket holes. 4 .

4 . The wire connection device for a motor stator according to claim 3 , wherein the power input parts are sheet bodies and are pierced with socket holes. 5 .

5. A motor stator, characterized in that it comprises an iron core, a plurality of coil windings and the wiring device according to any one of claims 1 to 4;

The iron core is a ring-shaped hollow cylinder formed by stacking and connecting multiple silicon steel sheets. The inside of the iron core protrudes to form a plurality of I-shaped columns, and each I-shaped column is arranged at intervals along the inner peripheral wall of the iron core;

The coil windings are respectively arranged on the I-shaped columns of the iron core, and each coil winding is respectively provided with two lead-out parts, and each lead-out part is located on the same side of the iron core;

The wire connection device is arranged on one side of the iron core, and each lead-in portion of the connecting pieces is respectively connected with each lead-out portion of the coil windings.

6. The motor stator according to claim 5, wherein the outer diameter of the outer frame is equal to or smaller than the outer diameter of the iron core.

7. The motor stator according to claim 5 or 6, wherein the number of the coil windings is twelve groups, and the connecting pieces of the wiring device include three first-type connecting pieces and nine second-type connecting pieces. Connecting piece and a third type connecting piece;

The first type of connecting piece includes an arc segment, a conducting part and a power input part, and the conducting part and the power input part are respectively arranged at both ends of the arc segment;

The second type of connecting piece includes an arc segment and two conducting parts, and the two conducting parts are respectively arranged at both ends of the arc segment;

The third type of connecting piece includes an arc segment and three conducting parts, wherein two conducting parts are respectively arranged at both ends of the arc segment, and the other guiding part is arranged at the middle section of the arc segment.