CN204012966U - For motor stator and the compressor of compressor - Google Patents

For motor stator and the compressor of compressor Download PDF

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Publication number
CN204012966U
CN204012966U CN201420433448.8U CN201420433448U CN204012966U CN 204012966 U CN204012966 U CN 204012966U CN 201420433448 U CN201420433448 U CN 201420433448U CN 204012966 U CN204012966 U CN 204012966U
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CN
China
Prior art keywords
stator
cover plate
motor
compressor
slot
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
CN201420433448.8U
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Chinese (zh)
Inventor
彭清
虞阳波
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Anhui Meizhi Precision Manufacturing Co Ltd
Original Assignee
Anhui Meizhi Precision Manufacturing Co Ltd
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Priority to CN201420433448.8U priority Critical patent/CN204012966U/en
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Publication of CN204012966U publication Critical patent/CN204012966U/en
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Expired - Lifetime legal-status Critical Current

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Abstract

The utility model discloses a kind of motor stator for compressor and compressor, the motor stator of described compressor, comprise: stator core, on stator core, be formed with the multiple stator slots that run through it along its axis, in at least one of two end faces of stator core, be provided with step groove around each stator slot, the groove area of step groove is greater than the groove area of stator slot; Multiple slot insulators, multiple slot insulators are located at respectively in multiple stator slots, and one end of the contiguous step groove of slot insulators is no more than the end face of stator core; And at least one insulation cover plate, insulation cover plate is located on the end face that is provided with step groove of stator core, and insulation cover plate is provided with multiple cover plate wire casings corresponding with multiple stator slots respectively.According to the motor stator for compressor of the utility model embodiment, the material consumption of its stator winding is little, and stator winding resistance is little, can make the thermal losses of motor decline, and then can improve electric efficiency.

Description

For motor stator and the compressor of compressor
Technical field
The utility model relates to Compressor Technology field, especially relates to a kind of motor stator for compressor and compressor.
Background technology
General compressor electric motor is generally made up of stator and rotor, between stator and rotor, has space so that rotor is rotatable with respect to stator.Stator slot in stator is used for accommodating armature coil, produces rotating magnetic field and act on rotor to form rotation torque after armature coils energising, drives rotor.
In the prior art, conventionally can insulating part be set in stator slot so that armature coil and stator slot are separated, avoid coil directly to contact with stator core.And in order to ensure the creepage distance of motor, the two ends of insulating part are stretched out the both ends of the surface of stator core and are not directly contacted with the end face of stator core for supporting armature coil, adopt the motor stator of this structure to have following problem:
1, the girth of the enamel wire coil of stator winding is long, high material consumption;
2, stator winding resistance is large, and thermal losses is high, has reduced the efficiency of motor;
3, two ends winding wire bag height is higher, has taken the complete machine usage space of compressor, especially for the smaller compressor in space, installs more difficult.
Utility model content
The utility model is intended at least solve one of technical problem existing in prior art.For this reason, the utility model need to provide a kind of motor stator for compressor, and the material consumption of the stator winding of this motor stator is little, and stator winding resistance is little, can make the thermal losses of motor decline, and then can improve electric efficiency.
The utility model also needs to provide a kind of compressor with above-mentioned motor stator.
According to the motor stator for compressor of the utility model first aspect, comprise: stator core, on described stator core, be formed with the multiple stator slots that run through it along its axis, in at least one of two end faces of described stator core, be provided with step groove around each described stator slot, the groove area of described step groove is greater than the groove area of described stator slot; Multiple slot insulators, described multiple slot insulators are located at respectively in described multiple stator slot, and one end of the described step groove of vicinity of described slot insulators is no more than the end face of described stator core; And at least one insulation cover plate, described insulation cover plate is located on the end face that is provided with described step groove of described stator core, and described insulation cover plate is provided with multiple cover plate wire casings corresponding with described multiple stator slots respectively.
According to the motor stator of the utility model embodiment, owing to forming step groove at least one end face of stator core, when thereby stator winding is wrapped on stator core, be no more than in slot insulators under the prerequisite of stator core end face, still can ensure enough creepage distances, and such height that just can reduce stator winding, thereby can effectively reduce the material of stator winding, reduce cost, the resistance of stator winding is reduced, and then can make the thermal losses of motor decline, improve electric efficiency, and cost-saving.
In addition, also can there is following additional technical feature according to the motor stator for compressor of the present utility model:
According to an embodiment of the present utility model, on described insulation cover plate, around at least a portion of each described cover plate wire casing, be provided with the extension that can extend in described step groove.
According to an embodiment of the present utility model, each described extension around the shape of shape and described cover plate wire casing identical and overlap.
According to an embodiment of the present utility model, the edge of each described cover plate wire casing is provided with the backstop muscle extending to described cover plate wire casing inner horizontal, and the respective end of described slot insulators is only against on described backstop muscle.
According to an embodiment of the present utility model, one end of the described step groove of vicinity of described slot insulators is straight structure.
According to an embodiment of the present utility model, described slot insulators forms by tabular insulator is curling.
According to an embodiment of the present utility model, described slot insulators is curling and be coated with insulating varnish and form by tabular metalwork.
According to an embodiment of the present utility model, described stator core comprises: by stacked the first stator punching layer forming of multiple the first stator punchings, described stator slot forms in described the first stator punching layer; By stacked the second stator punching layer forming of at least one second stator punching, described the second stator punching layer is located at least one end of described the first stator punching layer, and described step groove is formed in described the second stator punching layer.
According to an embodiment of the present utility model, be equipped with described step groove at two end faces of described stator core, the two ends of described slot insulators are all no more than two end faces of described stator core.
According to the compressor of the utility model second aspect, comprising: housing; Motor, described motor is located in described housing, and described motor comprises stator and rotor, and described stator is according to the motor stator for compressor described in the utility model first aspect.
Because the material consumption of the stator winding of this motor stator is little, stator winding resistance is little, can make the thermal losses of motor decline, and then can improve electric efficiency, thereby by this motor stator is set, can reduce whole compressor complete machine cost, reduce thermal losses, improve the efficiency of compressor, the performance of compressor can be improved.
Additional aspect of the present utility model and advantage in the following description part provide, and part will become obviously from the following description, or recognize by practice of the present utility model.
Brief description of the drawings
Above-mentioned and/or additional aspect of the present utility model and advantage accompanying drawing below combination is understood becoming the description of embodiment obviously and easily, wherein:
Fig. 1 is according to the stereogram of the stator core of the motor stator for compressor of the utility model embodiment;
Fig. 2 is the enlarged drawing of a-quadrant in Fig. 1;
Fig. 3 is according to the cutaway view of the motor stator for compressor of the utility model embodiment;
Fig. 4 is the enlarged drawing in B region in Fig. 3;
Fig. 5 is according to the stereogram of the insulation cover plate of the motor stator for compressor of the utility model embodiment;
Fig. 6 is the partial structurtes schematic diagram of the insulation cover plate shown in Fig. 5;
Fig. 7 is according to the stereogram of the slot insulators of the motor stator for compressor of the utility model embodiment.
Reference numeral:
Motor stator 100;
Stator core 1; Central through hole 11; Stator slot 12; Step groove 13; The first stator punching layer 14; The second stator punching layer 15;
Slot insulators 2;
Insulation cover plate 3; Cover plate wire casing 31; Annular through-hole 32; Extension 33; Backstop muscle 34;
Stator winding 4.
Embodiment
Describe embodiment of the present utility model below in detail, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has the element of identical or similar functions from start to finish.Be exemplary below by the embodiment being described with reference to the drawings, only for explaining the utility model, and can not be interpreted as restriction of the present utility model.
In description of the present utility model, it will be appreciated that, term " on ", orientation or the position relationship of the instruction such as D score, 'fornt', 'back', " left side ", " right side ", " top ", " end ", " interior ", " outward " be based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of indicate or imply that the device of indication or element must have specific orientation, construct and operation with specific orientation, therefore can not be interpreted as restriction of the present utility model.In description of the present utility model, the implication of " multiple " is two or more, unless otherwise expressly limited specifically.
In description of the present utility model, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and for example, can be to be fixedly connected with, and can be also to removably connect, or connect integratedly; Can be to be directly connected, also can indirectly be connected by intermediary, can be the connection of two element internals or the interaction relationship of two elements.For the ordinary skill in the art, can understand as the case may be the concrete meaning of above-mentioned term in the utility model.
As shown in Fig. 1-Fig. 7, according to the motor stator 100 for compressor of the utility model embodiment, comprising: stator core 1, multiple slot insulators 2 and at least one insulation cover plate 3.
Stator core 1 is formed by multiple stator punching laminations, stator core 1 has and is suitable for holding the stator slot 12 that the central through hole 11 of rotor (scheming not shown) and multiple axis along stator core 1 run through it, multiple stator slots 12 are along the circumferential distribution of this stator core 1 and be communicated with respectively preferred being circumferentially uniformly distributed along stator core 1 of multiple stator slots 12 with central through hole 11.
Stator core 1 comprises two end faces, example as shown in Figure 1, stator core 1 comprises upper surface and lower surface, and wherein at least one of two end faces of stator core 1, be provided with step groove 13 around each stator slot 12, the groove area of step groove 13 is greater than the groove area of stator slot 12.That is to say, one or two of two end faces of stator core 1 is provided with step groove 13, step groove 13 is around surrounding's setting of each stator slot 12, for example on the upper surface of stator core 1, be provided with recessed from the top down step groove 13, or on the lower surface of stator core 1, be provided with recessed from bottom to top step groove 13, or be equipped with step groove 13 at two end faces of stator core 1, on the upper surface of stator core 1 and lower surface, be provided with step groove 13 simultaneously.
Here it should be explained that, in embodiment more of the present utility model, as shown in Figure 2, stator core 1 comprises: the first stator punching layer 14 and the second stator punching layer 15, the first stator punching layer 14 is by stacked the forming of multiple the first stator punchings, stator slot 12 is formed in the first stator punching layer 14, the second stator punching layer 15 is stacked in the second stator punching layer 15 forming on the first stator punching layer 14 by least one second stator punching, the second stator punching layer 15 is located at least one end of the first stator punching layer 14, step groove 13 is formed in the second stator punching layer 15.That is to say, the second stator punching layer 15 can be located on one end of the first stator punching layer 14, on an end face of stator core 1, be formed with step groove 13 like this, or the second stator punching layer 15 is two and is located at respectively on the two ends of the first stator punching layer 14, is all formed with step groove 13 like this on two end faces of stator core 1.
Multiple slot insulators 2 are located at respectively in multiple stator slots 12, that is to say, slot insulators 2 is identical and corresponding one by one with the quantity of stator slot 12, further, insulation cover plate 3 is located on the end face that is provided with step groove 13 of stator core 1, wherein, one end of the contiguous step groove 13 of slot insulators 2 is no more than the end face of stator core 1, in other words, owing to being provided with insulation cover plate 3 on the end face being provided with step groove 13, thereby one end of the contiguous step groove 13 of slot insulators 2 is no more than insulation cover plate 3, it is the inner side that one end of the contiguous step groove 13 of slot insulators 2 is positioned at insulation cover plate 3.
Certainly, here be understandable that, due in the time being formed with step groove 13 on an end face of stator core 1, insulation cover plate 3 is set on this end face, just stator winding 4 and this end face of stator core 1 can be kept apart thus, and be one end of insulation cover plate 3 to be set in order to obtain rational creepage distance, the end away from step groove 13 of slot insulators 2 can be stretched out to the end face of stator core 1, stator winding 4 and the end face that insulation cover plate 3 is not set of stator core 1 can be kept apart thus.When in the time that two end faces of stator core 1 are equipped with step groove 13, the two ends of slot insulators 2 are all no more than two end faces of stator core 1, and are provided with insulation cover plate 3 on two end faces of stator core 1.
Wherein, as shown in Figure 5 and Figure 6, insulation cover plate 3 is provided with multiple cover plate wire casings 31 corresponding with multiple stator slots 12 respectively, and stator winding 4 is wrapped on stator core 1 through insulation cover plate 3 wire casings and stator slot 12 like this, to form complete motor stator 100, as shown in Figure 3.
According to the motor stator 100 of the utility model embodiment, owing to forming step groove 13 at least one end face of stator core 1, when thereby stator winding 4 is wrapped on stator core 1, be no more than in slot insulators 2 under the prerequisite of stator core 1 end face, still can ensure enough creepage distances, and such height that just can reduce stator winding 4, thereby can effectively reduce the material of stator winding 4, reduce cost, the resistance of stator winding 4 is reduced, and then can make the thermal losses of motor decline, improve electric efficiency, and cost-saving.
In embodiment more of the present utility model, as shown in Figure 5 and Figure 6, on insulation cover plate 3, around at least a portion of each cover plate wire casing 31, be provided with the extension 33 that can extend in step groove 13, that is to say, insulation cover plate 3 is provided with extension 33, and extension 33 arranges and extension 33 extend in step groove 13 around each cover plate wire casing 31.By extension 33 is set, can make the installation of insulation cover plate 3 on stator core 1 more stable, difficult drop-off.Advantageously, 33 of each extensions around the shape of shape and cover plate wire casing 31 identical and overlap, that is to say, each extension 33 is all centered around on the whole periphery of corresponding cover plate wire casing 31, can make thus the installation of insulation cover plate 3 on stator core 1 more stable.
Wherein as shown in Figure 5, insulation cover plate 3 is annular, each cover plate wire casing 31 is communicated with the annular through-hole 32 on insulation cover plate 3, wherein the edge of each cover plate wire casing 31 is provided with (being the direction at adjacent rings through hole 32 centers) horizontally extending backstop muscle 34 to cover plate wire casing 31 inside, and the respective end of slot insulators 2 is only against on backstop muscle 34.Here it should be explained that, the respective end of slot insulators 2 is only against on the surface of adjacent stator iron core 1 inside of backstop muscle 34, for example, in the time insulation cover plate 3 being set on the upper surface of stator core 1, the upper end of slot insulators 2 is only against on the lower surface of backstop muscle 34 of insulation cover plate 3, in the time insulation cover plate 3 being set on the lower surface of stator core 1, the lower end of slot insulators 2 is only against on the upper surface of backstop muscle 34 of insulation cover plate 3.
In embodiment more of the present utility model, as shown in Figure 7, one end of the contiguous step groove 13 of slot insulators 2 is straight structure, that is to say, one end of the contiguous step groove 13 of slot insulators 2 does not arrange the structures such as flange, can make so simple in structure, the easily manufacture of slot insulators 2.
Alternatively, slot insulators 2 can form by tabular insulator is curling, that is to say, the manufactured materials of slot insulators 2 can be insulating part, and by flat insulator be curled into can with the shape of the form fit of stator slot 12.
Or slot insulators 2 is also can be by tabular metalwork curling and be coated with insulating varnish and form, that is to say, the manufactured materials of slot insulators 2 can be metal, through being curled into after the shape with the form fit of stator slot 12, apply insulating varnish to form insulation system performance at metallic surface again, can make thus the structural strength of slot insulators 2 large.
The utility model has also proposed a kind of compressor with above-mentioned motor stator 100.Comprise housing and motor according to the compressor of the utility model embodiment, motor is located in housing, and motor comprises stator and rotor, and wherein stator is above-mentioned according to the motor stator 100 for compressor of the utility model first aspect embodiment.Because the material consumption of the stator winding 4 of this motor stator 100 is little, stator winding 4 resistance are little, can make the thermal losses of motor decline, and then can improve electric efficiency, thereby by this motor stator 100 is set, can reduce whole compressor complete machine cost, reduce thermal losses, improve the efficiency of compressor, the performance of compressor can be improved.
In the description of this specification, the description of reference term " embodiment ", " some embodiment ", " illustrative examples ", " example ", " concrete example " or " some examples " etc. means to be contained at least one embodiment of the present utility model or example in conjunction with specific features, structure, material or the feature of this embodiment or example description.In this manual, the schematic statement of above-mentioned term is not necessarily referred to identical embodiment or example.And specific features, structure, material or the feature of description can be with suitable mode combination in any one or more embodiment or example.
Although illustrated and described embodiment of the present utility model, those having ordinary skill in the art will appreciate that: in the situation that not departing from principle of the present utility model and aim, can carry out multiple variation, amendment, replacement and modification to these embodiment, scope of the present utility model is limited by claim and equivalent thereof.

Claims (10)

1. for a motor stator for compressor, it is characterized in that, comprising:
Stator core, on described stator core, be formed with the multiple stator slots that run through it along its axis, in at least one of two end faces of described stator core, be provided with step groove around each described stator slot, the groove area of described step groove is greater than the groove area of described stator slot;
Multiple slot insulators, described multiple slot insulators are located at respectively in described multiple stator slot, and one end of the described step groove of vicinity of described slot insulators is no more than the end face of described stator core; And
At least one insulation cover plate, described insulation cover plate is located on the end face that is provided with described step groove of described stator core, and described insulation cover plate is provided with multiple cover plate wire casings corresponding with described multiple stator slots respectively.
2. the motor stator for compressor according to claim 1, is characterized in that, is provided with the extension that can extend in described step groove on described insulation cover plate, around at least a portion of each described cover plate wire casing.
3. the motor stator for compressor according to claim 2, is characterized in that, each described extension around the shape of shape and described cover plate wire casing identical and overlap.
4. the motor stator for compressor according to claim 1, is characterized in that, the edge of each described cover plate wire casing is provided with the backstop muscle extending to described cover plate wire casing inner horizontal, and the respective end of described slot insulators is only against on described backstop muscle.
5. the motor stator for compressor according to claim 1, is characterized in that, one end of the described step groove of vicinity of described slot insulators is straight structure.
6. the motor stator for compressor according to claim 1, is characterized in that, described slot insulators forms by tabular insulator is curling.
7. the motor stator for compressor according to claim 1, is characterized in that, described slot insulators is curling and be coated with insulating varnish and form by tabular metalwork.
8. motor stator according to claim 1, is characterized in that, described stator core comprises:
By stacked the first stator punching layer forming of multiple the first stator punchings, described stator slot forms in described the first stator punching layer;
By stacked the second stator punching layer forming of at least one second stator punching, described the second stator punching layer is located at least one end of described the first stator punching layer, and described step groove is formed in described the second stator punching layer.
9. according to the motor stator for compressor described in any one in claim 1-8, it is characterized in that, be equipped with described step groove at two end faces of described stator core, the two ends of described slot insulators are all no more than two end faces of described stator core.
10. a compressor, is characterized in that, comprising:
Housing;
Motor, described motor is located in described housing, and described motor comprises stator and rotor, and described stator is according to the motor stator for compressor described in any one in claim 1-9.
CN201420433448.8U 2014-08-01 2014-08-01 For motor stator and the compressor of compressor Expired - Lifetime CN204012966U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420433448.8U CN204012966U (en) 2014-08-01 2014-08-01 For motor stator and the compressor of compressor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420433448.8U CN204012966U (en) 2014-08-01 2014-08-01 For motor stator and the compressor of compressor

Publications (1)

Publication Number Publication Date
CN204012966U true CN204012966U (en) 2014-12-10

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105071575A (en) * 2015-08-25 2015-11-18 重庆凯邦电机有限公司 Motor and iron core insulation sleeve thereof
CN110544993A (en) * 2019-08-23 2019-12-06 奇鋐科技股份有限公司 Stator structure
CN111509926A (en) * 2020-04-10 2020-08-07 安徽巨一科技股份有限公司 Positioning and guiding device for flat wire hairpin inserted stator

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105071575A (en) * 2015-08-25 2015-11-18 重庆凯邦电机有限公司 Motor and iron core insulation sleeve thereof
CN110544993A (en) * 2019-08-23 2019-12-06 奇鋐科技股份有限公司 Stator structure
CN111509926A (en) * 2020-04-10 2020-08-07 安徽巨一科技股份有限公司 Positioning and guiding device for flat wire hairpin inserted stator
CN111509926B (en) * 2020-04-10 2021-10-26 安徽巨一科技股份有限公司 Positioning and guiding device for flat wire hairpin inserted stator

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GR01 Patent grant
CX01 Expiry of patent term
CX01 Expiry of patent term

Granted publication date: 20141210