CN209472459U - External insulation paper, stator module, motor and compressor for stator - Google Patents

Abstract

The utility model discloses a kind of external insulation paper, stator module, motor and compressors for stator.Stator includes stator core and stator winding, stator winding winding is on the stator teeth, at least part of stator winding is located in stator slot, the both ends of stator winding exceed the end of stator core respectively to form two protrusions, external insulation paper in a ring and is set on protrusion, external insulation paper is fixed on stator by wiring, external insulation paper includes external insulation hard copy body in a ring, external insulation hard copy body has the first end and second end of axially opposed setting, at least one end in first end and second end is formed with multiple grooves, multiple grooves are provided at circumferentially spaced along external insulation hard copy body, at least part wiring passes through at least part groove.According to the external insulation paper for stator of the utility model embodiment, the risk of wiring broken string, the rupture of external insulation paper can be reduced, thereby may be ensured that protection of the external insulation paper for stator winding, insulating effect.

Description

External insulation paper, stator module, motor and compressor for stator

Technical field

The utility model relates to technical field of motors, more particularly, to it is a kind of for the external insulation paper of stator, stator module, Motor and compressor.

Background technique

In the related technology, the peripheral side for the stator winding tossed about in stator lead-out wire is arranged the external insulation paper of annular, is used in combination Wiring is fixed, to protect stator winding, reaches insulation effect.However, in actual production, being bound by external insulation paper During, external insulation paper frequently contacts friction with wiring, and there are wiring broken strings, the risk of external insulation paper rupture.

Utility model content

The utility model aims to solve at least one of the technical problems existing in the prior art.For this purpose, the utility model mentions A kind of external insulation paper for stator, the external insulation paper can protect stator winding, reaches insulation effect out.

The utility model also proposed a kind of stator module with above-mentioned external insulation paper.

The utility model also proposed a kind of motor with said stator component.

The utility model also proposed a kind of compressor with above-mentioned motor.

According to the external insulation paper for stator of the utility model first aspect embodiment, the stator includes stator core And stator winding, the stator core have mounting hole and multiple circumferentially spaced stator slots along the mounting hole, phase Stator tooth is limited between adjacent two stator slots, the stator winding is wound around on the stator tooth, the stator winding At least part be located in the stator slot, the both ends of the stator winding exceed the end of the stator core respectively with shape At two protrusions, the external insulation paper in a ring and is set on the protrusion, and the external insulation paper is fixed by wiring On the stator, the external insulation paper includes external insulation hard copy body in a ring, and the external insulation hard copy body has along axial direction The first end and second end being oppositely arranged, at least one end in the first end and the second end is formed with multiple grooves, more A groove being provided at circumferentially spaced along the external insulation hard copy body, at least part wiring pass through at least part institute State groove.

According to the external insulation paper of the utility model embodiment, by the first end and second end of outer insulating paper ontology Groove at least is set on one end, when external insulation paper is fixed on stator by wiring, it is possible to reduce external insulation paper and wiring Contact friction, reduce wiring broken string, external insulation paper rupture risk, thereby may be ensured that external insulation paper for stator winding Protection, insulating effect.

Some embodiments according to the present utility model, the second end are formed adjacent to the stator core, the second end There are multiple grooves.

Some alternative embodiments according to the present utility model, the second end include opposite and connected first part and the Two parts, the first part are formed with multiple grooves.

Optionally, the central angle of the first part is 180 °.

Optionally, the end face of the second part is plane.

Optionally, the second part is formed with multiple grooves, and the distribution of the groove of the second part is close Degree is less than the distribution density of the groove of the first part.

Some embodiments according to the present utility model, the groove are arc groove.

Some embodiments according to the present utility model, the both ends of the insulating paper of strip by being connected by the external insulation paper And it is formed.

Optionally, the both ends of the insulating paper of the strip are by ultrasonic bonding connection, and the ultrasonic bonding Weld seam is of same size with the external insulation paper.

According to the stator module of the utility model second aspect embodiment, comprising: stator core, the stator core have Mounting hole and multiple circumferentially spaced stator slots along the mounting hole, it is fixed to limit between the two neighboring stator slot Sub- tooth；Stator winding, the stator winding are wound around on the stator tooth, and at least part of the stator winding is located at described In stator slot, the both ends of the stator winding exceed the end of the stator core respectively to form two protrusions；External insulation Paper, the external insulation paper are the external insulation paper according to the above-mentioned first aspect embodiment of the utility model, and the external insulation paper is in ring It shape and is set on the protrusion, the external insulation paper is fixed on the stator by wiring.

According to the stator module of the utility model embodiment, by the way that above-mentioned external insulation paper is arranged, it is ensured that external insulation Protection of the paper for stator winding, insulating effect, improve the total quality and reliability of stator module, reduce wiring broken string, The risk of external insulation paper rupture.

Optionally, the groove is oppositely arranged with the stator tooth.

According to the motor of the utility model third aspect embodiment, comprising: real according to the above-mentioned second aspect of the utility model Apply the stator module of example.

It reduces wiring by the way that above-mentioned stator module is arranged according to the motor of the utility model embodiment and breaks, is outer exhausted The risk of edge paper rupture, it is ensured that protection of the external insulation paper for stator winding, insulating effect improve the total quality of motor And reliability.

According to the compressor of the utility model fourth aspect embodiment, comprising: according to the above-mentioned third aspect of the utility model The motor of embodiment.

Wiring broken string, external insulation are reduced by the way that above-mentioned motor is arranged according to the compressor of the utility model embodiment The risk of paper rupture, it is ensured that protection of the external insulation paper for stator winding, insulating effect improve the total quality of compressor And reliability.

The additional aspect and advantage of the utility model will be set forth in part in the description, partially will be from following description In become obvious, or recognized by the practice of the utility model.

Detailed description of the invention

The above-mentioned and/or additional aspect and advantage of the utility model from the description of the embodiment in conjunction with the following figures will Become obvious and be readily appreciated that, in which:

Fig. 1 is the top view according to the external insulation paper of the utility model one embodiment；

Fig. 2 is the local structural graph according to the external insulation paper of the utility model one embodiment；

Fig. 3 is according to the schematic diagram after the expansion of the external insulation paper of the utility model one embodiment；

Fig. 4 is the schematic top plan view according to the stator module of the utility model one embodiment；

Fig. 5 is the schematic cross-sectional view according to the stator module of the utility model one embodiment.

Appended drawing reference:

Stator module 100；

Stator 1；Stator core 11；Mounting hole 111；Stator winding 12；Protrusion 121；External insulation paper 13；First end 131； Second end 132；First part 1321；Second part 1322；Groove 1323；External insulation hard copy body 133；Wiring 14.

Specific embodiment

The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng The embodiment for examining attached drawing description is exemplary, and is only used for explaining the utility model, and should not be understood as to the utility model Limitation.

Below with reference to the accompanying drawings the external insulation paper 13 for stator according to the utility model embodiment, the external insulation paper are described 13 are used to protect the stator winding 12 of stator 1, reach insulation effect.

- Fig. 5 referring to Fig.1, according to the external insulation paper 13 for stator of the utility model first aspect embodiment, stator 1 Including stator core 11 and stator winding 12.Stator core 11 has mounting hole 111 and multiple (such as 24) along installation The circumferentially spaced stator slot in hole 111, each stator slot are connected to mounting hole.It is limited between two neighboring stator slot On the stator teeth, slot wedge, slot wedge can be set in stator tooth, 12 winding of stator winding between stator winding 12 and the inner wall of stator slot Have the function of protecting stator winding 12 and insulation.At least part of stator winding 12 is located in stator slot, stator winding 12 Both ends exceed the end of stator core 11 respectively to form two protrusions 121, external insulation paper 13 in a ring and is set in convex Out in portion 121, for example, external insulation paper 13 can be only set on a protrusion 121 or external insulation paper 13 is set in two On protrusion 121, external insulation paper 13 is fixed on the stator 1 by wiring 14, and external insulation paper 13 is used to protect protrusion 121, reaches To insulation effect, wiring 14 is used to fix external insulation paper 13.

Optionally, external insulation paper 13 can be by manufacturing with good insulation effect and with flexible material.

External insulation paper 13 includes external insulation hard copy body 133 in a ring, referring to FIG. 1, FIG. 2 and FIG. 3, external insulation hard copy body 133 have the first ends 131 and second end 132 of axially opposed setting, at least one end in first end 131 and second end 132 Multiple grooves 1323 are formed with, multiple grooves 1323 are provided at circumferentially spaced along external insulation hard copy body 133, at least part wiring 14 pass through at least part groove 1323.For example, groove 1323 can only be arranged in first end 131, or can be only the Groove 1323 is set on two ends 132, or groove 1323 is all set in first end 131 and second end 132.

In fixed external insulation paper 13, wiring 14 can along the second end 132 of external insulation paper 13 it is vertical to first end 131 under Draw with fasten external insulation paper 13 or wiring 14 can along external insulation paper 13 first end 131 to second end 132 vertically drop-down with External insulation paper 13 is fastened, due to setting groove 1323 on external insulation paper 13, groove 1323 is passed through when wiring 14 is pulled down, Reduce contact friction of the wiring 14 with external insulation paper 13, to reduce the broken string of wiring 14, the risk that external insulation paper 13 ruptures.

According to the external insulation paper 13 of the utility model embodiment, by the first end 131 of outer insulating paper ontology 133 and Groove 1323 is arranged at least one end in two ends 132 can subtract when external insulation paper is fixed on stator by wiring 14 The contact friction of few external insulation paper 13 and wiring 14 reduces the broken string of wiring 14, the risk that external insulation paper 13 ruptures, so as to Guarantee protection of the external insulation paper for stator winding, insulating effect.

Some embodiments according to the present utility model, referring to Fig.1-Fig. 5,132 adjacent stator iron core 11 of second end, so that outside Insulating paper 13 covers protrusion 121 as much as possible, improves insulation effect, and second end 132 is formed with multiple grooves 1323, ties up Line 14 is drawn from the groove 1323 of second end 132 and is pulled down vertically to first end 131, and wiring 14 is first without barrier in groove Pulled down in 1323, then contact the bottom end of groove 1323, and power is directly passed to stator winding 12,13 stress of external insulation paper with The deformation quantity that stress occurs is smaller, and this setup draws convenient for wiring 14 and reduces connecing for wiring 14 and external insulation paper 13 Wiping is touched, reduces the broken string of wiring 14, the risk that external insulation paper 13 ruptures.

Some embodiments according to the present utility model, as shown in Figure 1-Figure 3, second end 132 include it is opposite and be connected the A part 1321 and second part 1322, first part 1321 are formed with multiple grooves 1323.Passing through 14 binding and fixing of wiring So that a part of wiring 14 is drawn from the groove 1323 in first part 1321, a part of wiring when installing external insulation paper 13 14 directly lead out from second part 1322.When wiring 14 is drawn from first part 1321, wiring 14 can pass through first part Groove 1323 on 1321, it is possible to reduce the contact friction between first part 1321 and wiring 14, reduce wiring 14 broken string, The risk that external insulation paper 13 ruptures.

Optionally, the central angle of first part 1321 is 180 °, as shown in figure 3, first part 1321 and second at this time Points 1322 central angle is equal and is 180 °, when installing external insulation paper 13, stator winding 12 can be divided into two groups and this two Group is respectively first group of winding and second group of winding, and first first part 1321 can be mounted on first group of winding, then will Second part 1322 is mounted on second group of winding, and first part 1321 is installed step by step with second part 1322, and The second part 1322 of external insulation paper 13 is installed again by the first part 1321 for first installing external insulation paper 13, and this setup is convenient for The installation of external insulation paper 13 reduces first part 1321 in installation process and is caught in the risk in stator winding 12.

Optionally, the end face of second part 1322 can be plane, can be with as shown in figure 3, when installing external insulation paper 13 First part 1321 is first installed, then second part 1322 is installed, had both reduced first part 1321 in installation process in this way and has been caught in Risk in stator winding 12, while also reducing second part 1322 in installation process and being caught in the risk in stator winding 12.

Optionally, second part 1322 could be formed with multiple grooves 1323, as shown in figure 3, second part 1322 is recessed The distribution density of slot 1323 is less than the distribution density of the groove 1323 of first part 1321, can be with when installing external insulation paper 13 First part 1321 is first installed, then second part 1322 is installed, this setup advantageously reduces in installation process second Divide 1322 risks being caught in stator winding 12.

Some embodiments according to the present utility model, as shown in Figures 2 and 3, groove 1323 are arc groove, arc rooved face It is smooth, contact friction of the wiring 14 with external insulation paper 13 is further reduced, to reduce the broken string of wiring 14, external insulation paper 13 The risk of rupture.

Some alternative embodiments according to the present utility model, with reference to Fig. 1 and Fig. 3, external insulation paper 13 is by by strip The both ends of insulating paper are connected and are formed, and this design method reduces the technology difficulty of production insulating paper.

Further, the both ends of the insulating paper of strip pass through ultrasonic bonding connection, the insulation of ultrasonic bonding connection Paper bonding strength with higher, and the weld seam of ultrasonic bonding and external insulation paper 13 is of same size, weld seam is from external insulation paper 13 first end 131 extends to second end 132, so that the both ends lap-joint of external insulation paper 13 all welds, this welding side Formula improves bonding strength, reduces the cracking risk of the junction of external insulation paper 13.

In other examples, the both ends of the insulating paper of strip can also be reduced with bonding connection, this connection type Production cost.

According to the stator module of the utility model second aspect embodiment, with reference to Fig. 4 and Fig. 5 and Fig. 1-Fig. 3, stator are combined Component includes stator core 11, stator winding 12 and external insulation paper 13.Stator core 11 has mounting hole 111 and multiple edge installations The circumferentially spaced stator slot in hole 111 limits stator tooth, stator winding 12 and stator tooth between two neighboring stator slot Between and adjacent stators winding 12 between can be set slot wedge, slot wedge plays the role of protecting stator winding 12 and insulate.

On the stator teeth, at least part of stator winding 12 is located in stator slot 12 winding of stator winding, stator winding 12 both ends exceed the end of stator core 11 respectively to form two protrusions 121.External insulation paper 13 is practical new according to this The external insulation paper 13 of type first aspect embodiment, external insulation paper 13 is fixed on the stator 1 by wiring 14, and the two of stator winding 12 For the end beyond stator core 11 to form two protrusions 121, external insulation paper 13 in a ring and is set in protrusion respectively at end On 121, external insulation paper 13 is used to protect protrusion 121, reaches insulation effect, and wiring 14 is used to fix external insulation paper 13.

Wiring 14 is reduced by the way that above-mentioned external insulation paper 13 is arranged according to the stator module of the utility model embodiment The risk that broken string, external insulation paper 13 rupture, it is ensured that protection of the external insulation paper 13 for stator winding 12, insulating effect mention The total quality and reliability of high stator module.

Optionally, groove 1323 is oppositely arranged with stator tooth, and with reference to Fig. 4, this setup can make each groove 1323 respectively draw a wiring 14, and centering wiring 14 is facilitated to operate, so that structure is more compact, 13 uniform force of external insulation paper, To the risk for reducing the broken string of wiring 14, external insulation paper 13 ruptures.

According to the motor of the utility model third aspect embodiment, comprising: according to the utility model second aspect embodiment Stator module.

It reduces wiring 14 by the way that above-mentioned stator module is arranged according to the motor of the utility model embodiment and breaks, is outer The risk that insulating paper 13 ruptures, it is ensured that protection of the external insulation paper 13 for stator winding 12, insulating effect improve motor Total quality and reliability.

According to the compressor of the utility model fourth aspect embodiment, comprising: implemented according to the utility model third aspect The motor of example.

It reduces wiring 14 by the way that above-mentioned motor is arranged according to the compressor of the utility model embodiment and breaks, is outer exhausted The risk that edge paper 13 ruptures, it is ensured that protection of the external insulation paper 13 for stator winding 12, insulating effect improve compressor Total quality and reliability.

In the description of this specification, reference term " one embodiment ", " some embodiments ", " illustrative examples ", The description of " example ", " specific example " or " some examples " etc. means specific features described in conjunction with this embodiment or example, knot Structure, material or feature are contained at least one embodiment or example of the utility model.In the present specification, to above-mentioned art The schematic representation of language may not refer to the same embodiment or example.Moreover, description specific features, structure, material or Person's feature can be combined in any suitable manner in any one or more of the embodiments or examples.

While there has been shown and described that the embodiments of the present invention, it will be understood by those skilled in the art that: These embodiments can be carried out with a variety of variations, modification, replacement in the case where not departing from the principles of the present invention and objective And modification, the scope of the utility model are defined by the claims and their equivalents.

Claims (13)

1. a kind of external insulation paper for stator, which is characterized in that the stator includes stator core and stator winding, described fixed Sub- iron core have mounting hole and multiple circumferentially spaced stator slots along the mounting hole, the two neighboring stator slot it Between limit stator tooth, the stator winding is wound around on the stator tooth, and at least part of the stator winding is located at institute It states in stator slot, the both ends of the stator winding exceed the end of the stator core respectively to form two protrusions, described External insulation paper in a ring and is set on the protrusion, and the external insulation paper is fixed on the stator by wiring, described External insulation paper includes external insulation hard copy body in a ring, the external insulation hard copy body have axially opposed setting first end and Second end, at least one end in the first end and the second end are formed with multiple grooves, and multiple grooves are along described outer Insulating paper ontology is provided at circumferentially spaced, and at least part wiring passes through at least part groove.

2. the external insulation paper according to claim 1 for stator, which is characterized in that the second end is adjacent to the stator Iron core, the second end are formed with multiple grooves.

3. the external insulation paper according to claim 2 for stator, which is characterized in that the second end includes opposite and phase First part and second part, the first part even is formed with multiple grooves.

4. the external insulation paper according to claim 3 for stator, which is characterized in that the central angle of the first part is 180°。

5. the external insulation paper according to claim 3 for stator, which is characterized in that the end face of the second part is flat Face.

6. the external insulation paper according to claim 3 for stator, which is characterized in that the second part is formed with multiple The groove, the distribution that the distribution density of the groove of the second part is less than the groove of the first part are close Degree.

7. the external insulation paper according to claim 1 for stator, which is characterized in that the groove is arc groove.

8. the external insulation paper of stator is used for described in any one of -7 according to claim 1, which is characterized in that the external insulation paper It is formed and the both ends of the insulating paper of strip are connected.

9. the external insulation paper according to claim 8 for stator, which is characterized in that the two of the insulating paper of the strip End is by ultrasonic bonding connection, and the weld seam of the ultrasonic bonding and the external insulation paper is of same size.

10. a kind of stator module characterized by comprising

Stator core, the stator core have mounting hole and multiple circumferentially spaced stator slots along the mounting hole, Stator tooth is limited between the two neighboring stator slot；

Stator winding, the stator winding are wound around on the stator tooth, and at least part of the stator winding is located at described In stator slot, the both ends of the stator winding exceed the end of the stator core respectively to form two protrusions；

External insulation paper, the external insulation paper are according to external insulation paper of any of claims 1-9, the external insulation paper It in a ring and is set on the protrusion, the external insulation paper is fixed on the stator by wiring.

11. stator module according to claim 10, which is characterized in that the groove is oppositely arranged with the stator tooth.

12. a kind of motor characterized by comprising stator module described in 0 or 11 according to claim 1.

13. a kind of compressor characterized by comprising motor according to claim 12.