CN218041100U

CN218041100U - Stator assembly, motor and compressor

Info

Publication number: CN218041100U
Application number: CN202221728685.8U
Authority: CN
Inventors: 袁维洁; 梁容; 邱小华
Original assignee: Guangdong Welling Motor Manufacturing Co Ltd
Current assignee: Guangdong Welling Motor Manufacturing Co Ltd
Priority date: 2022-07-04
Filing date: 2022-07-04
Publication date: 2022-12-13
Anticipated expiration: 2032-07-04

Abstract

The utility model discloses a stator module, motor and compressor, wherein stator module includes: the stator winding is arranged on a plurality of stator teeth of the stator core and a coil is formed at the shaft end of the stator core; at least one part of the plug connector is plugged between the stator core and the coil; the protection device comprises a support and a protector, the support is matched with the plug connector, and the protector is installed on the support and located on one side, back to the stator core, of the coil. The protector of the stator assembly is convenient to install, and the damage rate of the protector in the production and machining process is low, so that the operation load intensity of production personnel in the motor production and machining process is reduced, the manpower is saved, and the production cost is reduced.

Description

Stator assembly, motor and compressor

Technical Field

The utility model relates to an air conditioner technical field particularly, relates to a stator module, motor and compressor.

Background

Among the prior art, three phase current rotary compressor's motor is fixed the protector on the package through tying up the line to the realization is with the installation of protector, and the process of installing the protector through this kind of mode is complicated, needs more production line operating personnel in the production process, and the production process is complicated, not only is not convenient for produce line automation, and is great to the loss of protector in addition the production process, leads to the manufacturing cost of motor to rise, has the improvement space.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the above-mentioned technical problem among the prior art to a certain extent at least. Therefore, the utility model provides a stator module, this stator module's protector's installation is convenient, and the spoilage of protector is low among the production and processing process to reduce the work load intensity of producers among the motor production and processing process, saved the manpower, reduced manufacturing cost.

The utility model also provides a motor of having above-mentioned stator module.

The utility model discloses still provide a compressor of having above-mentioned motor.

According to the utility model discloses stator module of first aspect embodiment, stator module includes: a stator core; the stator winding is arranged on the plurality of stator teeth of the stator core and forms a coil at the shaft end of the stator core; the plug connector is characterized in that at least one part of the plug connector is plugged between the stator core and the coil; protection device, protection device includes support and protector, the support with the plug connector cooperation, the protector is installed just be located on the support the solenoid dorsad one side of stator core.

According to the utility model discloses a stator module, this stator module's protector's installation is convenient, and the spoilage of protector is low among the production and processing process to reduce the work load intensity of production personnel in the motor production and processing process, saved the manpower, reduced manufacturing cost.

In addition, according to utility model embodiment's stator module, can also have following additional technical characterstic:

according to some embodiments of the invention, the bracket comprises:

the supporting part is arranged on one side of the coil, which faces away from the stator core;

the connecting part is connected to one side of the supporting part, which faces the coil, so as to be in plug fit with the plug connector;

the fixing part is connected to one side of the supporting part, which faces away from the coil, and the protector is installed on one side of the supporting part, which faces away from the coil, and is matched with the fixing part.

According to some embodiments of the invention, one side of the support portion facing away from the coil is provided with a boss having a mating groove with the peripheral wall adaptation of the protector.

According to some embodiments of the invention, the fixed part has a limiting recess, the one end of the protector with the limiting recess cooperates.

According to some embodiments of the invention, the projection of the bracket in a plane perpendicular to the axial direction of the stator core is located between the outer circumferential wall and the inner circumferential wall of the coil.

According to some embodiments of the present invention, the projection of the charged body of the protector in the plane perpendicular to the axial direction of the stator core is located between the outer peripheral wall and the inner peripheral wall of the stator core.

According to some embodiments of the invention, the stator winding includes a first winding and a second winding, the protector is electrically connected with the first winding the second winding.

According to some embodiments of the invention, the first winding is provided outside the second winding in a radial direction of the stator assembly.

According to the utility model discloses a some embodiments, the second winding includes a plurality of second coils that stator core's circumference was arranged, the plug connector includes grafting portion, grafting portion peg graft in stator core with between the solenoid, grafting portion is at the perpendicular to projection in stator core's axial plane is located one of them the middle part of second coil.

According to some embodiments of the invention, the first winding comprises two axisymmetrically arranged first coils, the second winding comprises two axisymmetrically arranged second coils, the axis of symmetry of the first winding and the axis of symmetry quadrature arrangement of the second winding.

According to the utility model discloses a some embodiments, the first inlet wire end of first winding the second inlet wire end of second winding the first wiring end of protector is suitable for to be connected in order to be connected with external power source with the three lead-out wire of motor, the first leading-out terminal of first winding the second leading-out terminal of second winding with the second wiring end electricity of protector is connected.

According to the utility model discloses a some embodiments, first leading-out terminal with the junction of second leading-out terminal first inlet wire end rather than one the junction of lead-out wire the second inlet wire end with wherein another the junction of lead-out wire is respectively through the insulation support parcel.

According to the utility model discloses a some embodiments, first leading-out terminal with the junction of second leading-out terminal is connected with connecting wire's one end, connecting wire's the other end is equipped with the slot, second terminal form with the complex inserted sheet is pegged graft to the slot.

According to some embodiments of the present invention, the connector comprises:

a mounting portion that mates with the bracket;

two stationary vanes, two the stationary vane is located the installation department just follows stator core's circumference is towards keeping away from each other direction extension, the stationary vane is fixed on the package of line.

According to some embodiments of the utility model, be equipped with spacing portion on the installation department, spacing portion with the cooperation of pegging graft movably of support, with will the protector is fixed in not co-altitude position.

According to the utility model discloses electric machine of second aspect embodiment, including according to the stator module of above-mentioned embodiment.

According to the third aspect of the present invention, the compressor comprises the motor according to the above embodiments.

Drawings

Fig. 1 is a schematic structural view of a stator assembly according to an embodiment of the present invention;

figure 2 is a cross-sectional view of a stator assembly according to an embodiment of the present invention;

fig. 3 is a schematic structural view of a stator assembly according to an embodiment of the present invention;

fig. 4 is a cross-sectional view of an electric machine according to an embodiment of the invention;

fig. 5 is a schematic structural diagram of a motor according to an embodiment of the present invention;

fig. 6 is a partial cross-sectional view of an electric machine according to an embodiment of the present invention;

fig. 7 is a schematic structural view of a stator assembly according to an embodiment of the present invention;

fig. 8 is a partial cross-sectional view of an electric machine according to an embodiment of the invention;

fig. 9 is a partial cross-sectional view of an electric machine according to an embodiment of the present invention;

fig. 10 is a schematic structural view of a stator assembly according to an embodiment of the present invention;

fig. 11 is a schematic structural view of a stator assembly according to an embodiment of the present invention;

fig. 12 is a schematic structural view of a bracket according to an embodiment of the present invention;

figure 13 is a schematic structural view of a stator assembly according to an embodiment of the present invention;

fig. 14 is a circuit diagram of a stator assembly according to an embodiment of the present invention.

Reference numerals:

the stator assembly 100, the motor body 1, the stator core 11, the stator teeth 111, the stator slots 112, the coil 13, the first winding 14, the first wire inlet end 141, the first wire outlet end 142, the second winding 15, the second wire inlet end 151, the second wire outlet end 152,

the protection device 2, the bracket 21, the supporting portion 211, the boss 2111, the fitting groove 2112, the connecting portion 212, the fixing portion 213, the limiting concave portion 2131, the protector 22, the first terminal 221, the second terminal 222, the insert 23,

the plug connector 3, the mounting portion 31, the connecting piece 32, the fixed wing 33, the limiting structure 331, the first jack 4a, the socket 41, the oil guide surface 42, the oil leakage hole 43, the second jack 4b, the first plug board 5a, the second plug board 5b, the first limiting convex portion 6a, the first limiting surface 61, the first guide surface 62, the second limiting convex portion 6b, the first limiting concave portion 7a, the second limiting concave portion 7b, the connecting plate 8, the fixed end 81, the movable end 82, the holding portion 83, the stop member 9, the inserting portion 10, the limiting step 101, the slot insulation paper 20, the leading-out wire 30 and the connecting wire 50.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, merely for convenience of description and simplification of the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless explicitly defined otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically connected, electrically connected or can communicate with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

In the present application, unless expressly stated or limited otherwise, the recitation of a first feature "on" or "under" a second feature may include the recitation of the first and second features being in direct contact, and may also include the recitation of the first and second features not being in direct contact, but being in contact with another feature between them. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The utility model discloses a stator module can be applied to three phase current rotary compressor's motor, in prior art, three phase current rotary compressor's motor is fixed the online package of protector through the wiring to the realization is with the installation of protector, and the process of installing the protector through this kind of mode is complicated, needs more production line operating personnel in the production process, and the production process is complicated, and not only be convenient for produce line automation, and the loss to the protector is great in the production process moreover, leads to the manufacturing cost of motor to rise.

Therefore, the embodiment of the utility model provides a designed one kind and can set up stator module 100 on stator winding and/or stator core 11 with protector 22 indirect fixation, from this, can make protector 22's installation more convenient, reduced protector 22's spoilage in the production and processing process, reduced producers ' work load intensity, use manpower sparingly, reduced manufacturing cost.

A stator assembly 100 according to an embodiment of the present invention is described below with reference to fig. 1-14.

According to the utility model discloses stator module 100 includes: stator core 11, stator winding, plug 3 and protection device 2.

The stator winding is arranged on the plurality of stator teeth 111 of the stator core 11 and forms a coil 13 at the shaft end of the stator core 11, at least one part of the plug connector 3 is inserted between the stator core 11 and the coil 13, so that the plug connector 3 and the structure installed on the plug connector 3 are stably fixed on the stator winding and/or the stator core 11 through the part inserted between the stator core 11 and the coil 13.

Protection device 2 includes support 21 and protector 22, support 21 and plug connector 3 cooperation, protector 22 is installed on support 21, that is to say, protector 22 can install on plug connector 3 through support 21, rethread plug connector 3 is fixed to be set up on stator winding and/or stator core 11, from this, can make protector 22's installation more convenient, the spoilage of protector 22 in the production and processing process has been reduced, reduce producers' operation load intensity, use manpower sparingly, and production cost is reduced. Moreover, the protector 22 is located on the side of the coil 13 facing away from the stator core 11, so that the overall structure of the motor is more compact, the protector 22 is prevented from occupying too much space, and the arrangement of the protector 22 is prevented from influencing the operation of the motor.

According to the utility model discloses stator module 100, this stator module 100's protector 22's installation is convenient, and protector 22's spoilage is low among the production and processing process to reduce the work load intensity of producers among the motor production and processing process, saved the manpower, reduced manufacturing cost.

As shown in fig. 12, the bracket 21 includes: the supporting portion 211 is arranged on one side of the coil 13, which faces away from the stator core 11, so as to support the protector 22 on one side of the coil 13, which faces away from the stator core 11, the connector 3 is fixedly arranged on the coil 13, and the connecting portion 212 is matched with the connector 3, so that the connecting portion 212 is connected to one side of the supporting portion 211, which faces towards the coil 13, so as to be matched with the connector 3 in an inserting manner.

The fixing portion 213 is disposed on the supporting portion 211, the protection device 2 is matched with the fixing portion 213, the fixing portion 213 is used for fixing the protector 22 on the supporting portion 211, and the fixing portion 213 is connected to a side of the supporting portion 211 opposite to the coil 13, so as to install the protector 22 on the side of the supporting portion 211 opposite to the coil 13.

Referring to fig. 10 to 12, a boss 2111 is provided on a side of the support portion 211 facing away from the coil pack 13, the boss 2111 has an engagement groove 2112 adapted to the peripheral wall of the protector 22, when the protector 22 is mounted on the bracket 21, the protector 22 can be inserted into the engagement groove 2112, and the inner wall of the engagement groove 2112 is in direct contact engagement with the peripheral wall of the protector 22, so as to stably limit the protector 22 on the support portion 211.

As shown in fig. 12, the fixing portion 213 has a stopper recess 2131, one end of the protector 22 is fitted into the stopper recess 2131, and when the protector 22 is attached to the bracket 21, the one end of the protector 22 can be fitted into the stopper recess 2131, and the inner wall of the fitting groove 2112 is in direct contact with the peripheral wall of the protector 22, so that the protector 22 is stably held at the support portion 211.

Accordingly, the protector 22 can be stably fixed to the support portion 211 by the boss 2111 provided to the support portion 211 and the fixing portion 213.

Referring to fig. 13, the projection of the bracket 21 in the plane perpendicular to the axial direction of the stator core 11 is located between the outer circumferential wall and the inner circumferential wall of the coil 13, so as to ensure that the bracket 21 can be fixed on the coil 13, and avoid the arrangement of the bracket 21 from affecting the normal operation of the motor.

According to the utility model discloses a some embodiments, the projection of the electrified body of protector 22 in the axial plane of perpendicular to stator core 11 is located between stator core 11's periphery wall and the internal perisporium, because the electrified body of protector 22 is electrified at the motor normal operating in-process, prescribes a limit to through the position to the electrified body from this to avoid taking place the electric leakage at actual operation in-process protection device 2, improve the security.

As shown in fig. 13, the stator winding includes the first winding 14 and the second winding 15, and the protector 22 is electrically connected to the first winding 14 and the second winding 15, so that the protector 22 can be electrically connected to the first winding 14 and the second winding 15 at the same time, and the protector 22 can protect the first winding 14 and the second winding 15 at the same time.

Referring to fig. 13, the first windings 14 are disposed outside the second windings 15 in a radial direction of the stator assembly 100.

In some embodiments, the second winding 15 includes a plurality of second coils arranged in a circumferential direction of the stator core 11, and the plurality of second coils are arranged in a stacked manner in an axial direction and are connected in series with each other to perform a function of a stator winding of the motor.

Plug connector 3 includes grafting portion 10, grafting portion 10 pegs graft between stator core 11 and solenoid 13, grafting portion 10 can be through pegging graft between stator core 11 and solenoid 13 in order to with installation department 31 fixed connection on the motor, and, grafting portion 10 can be before the motor assembles with plug connector 3 pre-fixing in the side of solenoid 13, ensure that plug connector 3 can not appear droing and the position change in the mechanical transportation before the motor is not assembled, and then save man-hour, ensure motor overall structure's reliability. Thus, the plug-in unit 3 enables the protection device 2 attached to the plug-in unit 3 to be stably fixed to the motor.

The projection of the insertion part 10 in the plane perpendicular to the axial direction of the stator core 11 is located in the middle of one of the second coils, so that the stator teeth 111 on two sides of the insertion position of the insertion part 10 can bind wires, and the problem that the wire packet 13 is inward convex due to the fact that the stator teeth 111 cannot bind wires is avoided.

As shown in fig. 13, the first winding 14 includes two first coils arranged axisymmetrically, the second winding 15 includes two second coils arranged axisymmetrically, and the symmetry axis of the first winding 14 and the symmetry axis of the second winding 15 are orthogonally arranged to enable stable operation of the motor.

As shown in fig. 10 and 11, the first wire inlet end 141 of the first winding 14, the second wire inlet end 151 of the second winding 15, and the first terminal 221 of the protector 22 are adapted to be connected with three outlet wires 30 of the motor to be connected with an external power source, so that the motor functions can be normally operated, and the first wire outlet end 142 of the first winding 14, the second wire outlet end 152 of the second winding 15, and the second terminal 222 of the protector 22 are electrically connected, so that the protector 22 can protect the first winding 14 and the second winding 15, and ensure the stability of the motor operation.

In some embodiments, the connection between the first outlet end 142 and the second outlet end 152, the connection between the first inlet end 141 and one of the outlet wires 30, and the connection between the second inlet end 151 and another of the outlet wires 30 are respectively wrapped by insulating sleeves, so as to insulate the line connection, avoid electric leakage, and ensure the stability of the motor operation.

Referring to fig. 14, the junction of the first outlet end 142 and the second outlet end 152 is connected with one end of the connecting wire 50, the other end of the connecting wire 50 is provided with a slot, the second terminal 222 forms an insertion sheet 23 inserted and matched with the slot, through the arrangement of the connecting wire 50 and the slot and the insertion sheet 23, the electric connection between the first winding 14 and the second winding 15 and the protector 22 can be facilitated, the number of welding points in the production process is reduced, the number of insulating sleeves for wrapping the welding points is reduced, the structure of the motor is simplified, and the volume of the motor is reduced.

As shown in fig. 1 to 11, the plug-in unit 3 includes: the mounting portion 31 and two fixed wings 33, the mounting portion 31 cooperates with the bracket 21, the mounting portion 31 is used for mounting the protection device 2, in other words, the protector 22 can be fixedly arranged on the plug connector 3 through the cooperation of the bracket 21 and the mounting portion 31, thereby the protector 22 can be indirectly fixed on the motor through the plug connector 3 and the bracket 21.

From this, when protector 22 is installed to motor, need not to carry out complicated wiring process, only need directly with protector 22 through direct and plug connector 3's installation department 31 cooperation fixed mounting on plug connector 3, can reach the fixed mesh that sets up protector 22 on the motor for protector 22's installation is more convenient, has reduced protector 22's spoilage in the production and processing process, reduces producers' operation load intensity, uses manpower sparingly, has reduced manufacturing cost.

Wherein, two stationary vanes 33 locate installation department 31 and extend towards the direction of keeping away from each other along stator core 11's circumference, and stationary vane 33 is fixed on solenoid 13, that is to say, two stationary vanes 33 can encircle a part of solenoid 13, and two stationary vanes 33 can be in stable connection installation department 31 and the solenoid 13 in the both sides of installation department 31, and the even atress in installation department 31 both sides has further ensured the stability of installing the setting of protection device 2 on installation department 31. And, the fixing wings 33 located at both sides of the mounting portion 31 can be uniformly applied with force, thereby preventing the skew of the connector 3 during the mounting process.

According to some embodiments of the utility model, be equipped with spacing portion on the installation department 31, spacing portion is suitable for with the mobilizable grafting cooperation of support 21 in order to fix protector 22 in not co-altitude position. That is to say, to the motor of different models, the spacing portion of plug connector 3 can be with the spacing height position of fixing of protector 22 with the cooperation of support 21, therefore, different model motors have been satisfied with the cooperation of support 21 to the different height requirement of the mounted position of protector 22, to the motor of different models, support 21 can both fix the suitable position department that sets up on the motor with protector 22 through the mobilizable grafting cooperation with the installation department 31 of plug connector 3, the arrangement of having avoided protection device 2 causes the influence to the operation of motor, plug connector 3's commonality is better, and design cost is saved.

As shown in fig. 4, one side of the fixed wing 33 has a mating surface adapted to be fitted to the outer peripheral surface of the solenoid 13. Therefore, the arrangement of the plug-in connectors 3 is prevented from influencing the arrangement space of the solenoid 13, and the stable operation of the functions of the motor is ensured.

Moreover, the fixing wings 33 are attached to the outer peripheral surface of the coil 13, so that the connection area between the fixing wings 33 and the coil 13 can be ensured, the connection area between the fixing wings 33 and the coil 13 is as large as possible, the connection between the plug connector 3 and the motor is tighter, and the plug connector 3 and the protection device 2 mounted on the plug connector 3 are more stable.

Referring to fig. 4, the matching surface and the outer circumferential surface of the coil 13 form an arc surface, and the radial dimension of the matching surface is equal to the radial dimension of the outer circumferential surface of the coil 13, so that the matching surface of the fixed wing 33 and the outer circumferential surface of the coil 13 are tightly attached, the connection area between the fixed wing 33 and the coil 13 is ensured, and the connection stability between the plug connector 3 and the motor is ensured.

As shown in fig. 1-4, the fixing wing 33 is suitable for being fixed on the coil 13 through a binding wire, one side of the fixing wing 33, which faces away from the fitting surface, is provided with a limiting structure 331 for limiting the binding wire, the binding wire can be convenient for binding the plug connector 3 on the coil 13 through the limiting structure 331, the phenomenon that the binding wire moves to influence the stability of connection between the plug connector 3 and the coil 13 is avoided, and the plug connector 3 and the protection device 2 installed on the plug connector 3 are more stably fixed on the motor.

Referring to fig. 4, the slot pitch of two adjacent stator slots 112 of the stator core 11 is L, the span range of the two fixed wings 33 is 3L-7L, and preferably, the span range of the two fixed wings 33 is 5L, so that the two fixed wings 33 can have enough span for fixing binding wires while reducing structural redundancy, thereby ensuring that the fixed wings 33 and the coil 13 can be tightly bound together, and ensuring the stability of the installation of the plug connector 3.

As shown in fig. 4, the ends of the two fixed wings 33 that are away from each other each span half of the stator slot 112.

Referring to fig. 6, one end of the insertion portion 10 is connected with the installation portion 31, and the other end of the insertion portion is provided with a limit step 101, in some embodiments, the limit step 101 can be in limit fit with the edge of the insulation paper, so that the insertion portion 10 is prevented from being separated, the setting of the limit step 101 can prevent the insertion portion 10 of the plug connector 3 from falling off after being inserted into the coil 13, it is ensured that the plug connector 3 cannot fall off and change in position in the mechanical transportation process before the motor is not assembled, further, the processing time is saved, and the reliability of the overall structure of the motor is ensured.

And, spacing step 101 department can be used for setting up insulation slot paper, and insulation slot paper can wrap up the copper line of inserting in stator slot 112, ensures the electrical insulation intensity between stator winding 12 and stator core 1111.

As shown in fig. 6, the size of the insertion part 10 in the axial direction of the stator core 11 is smaller than the size of the folded edge of the slot insulating paper 20 beyond the axial end of the stator core 11, so as to ensure the insulating effect of the insulating slot paper and avoid the arrangement of the insertion part 10 from affecting the normal operation of the motor.

Referring to fig. 4, in the radial direction of the stator core 11, the tooth tips of the stator teeth 111 of the motor are beyond the other end of the insertion part 10, that is, the insertion part 10 is not beyond the range of the stator teeth 111, so as to avoid the arrangement of the insertion part 3 from affecting the normal operation of the motor.

As shown in fig. 4, the dimension of the insertion part 10 in the circumferential direction of the stator core 11 is smaller than the width of the stator teeth 111 of the stator core 11, that is, the insertion part 10 does not extend beyond the range of the stator teeth 111, so as to avoid the arrangement of the insertion part 3 from affecting the normal operation of the motor.

As shown in fig. 1 to 6, the mounting portion 31 defines a socket 41 having a first insertion hole 4a, and the first insertion hole 4a is disposed upward, the first insertion hole 4a is suitable for being in insertion fit with a first insertion plate 5a of the protection device 2, and through the insertion fit of the first insertion hole 4a and the first insertion plate, the protection device 2 and the insertion member 3 can be fixedly connected together through insertion fit, the mounting process is convenient, damage to the protection device 2 caused by external force can be avoided, the damage rate of the protection device 2 in the production and processing process is reduced, the work load intensity of production personnel is reduced, manpower is saved, and the production cost is reduced.

The limiting part is arranged on the hole wall of the first jack 4 a. Therefore, when the first inserting plate 5a is inserted into the first inserting hole 4a from top to bottom, the limiting part positioned on the hole wall of the first inserting hole 4a can be movably matched with the first inserting plate 5a, so that the protection device 2 is limited at different heights.

Referring to fig. 1 to 6, the mounting portion 31 further has an oil leakage hole 43, and the oil leakage hole 43 is communicated with the first insertion hole 4a, so that paint in the first insertion hole 4a can leak from the oil leakage hole 43 when the plug-in unit 3 is subjected to paint dipping treatment, thereby avoiding paint accumulation in the first insertion hole 4a, and avoiding blockage of the first insertion hole 4a caused by paint accumulation in the first insertion hole 4a and affecting reliability of the plug-in fit between the first insertion plate 5a and the first insertion hole 4 a.

As shown in fig. 1 and fig. 2, the first insertion hole 4a forms a blind hole, the bottom wall of the first insertion hole 4a has an oil guide surface 42, and the oil guide surface 42 extends from top to bottom towards the oil leakage hole 43, so that when the plug 3 is subjected to the paint immersion treatment, paint at the bottom wall of the first insertion hole 4a is not easy to stay on the bottom wall, and the paint can completely leak from the oil leakage hole 43 through the guidance of the oil guide surface 42, thereby preventing the paint from accumulating at the bottom wall of the first insertion hole 4a, avoiding the blockage of the first insertion hole 4a caused by the accumulation of the paint in the first insertion hole 4a, and influencing the reliability of the insertion fit between the first insertion plate 5a and the first insertion hole 4 a.

Referring to fig. 3, the first insertion hole 4a has a bottom opening such that the first insertion hole 4a forms a through hole, whereby paint in the first insertion hole 4a can leak out from the bottom opening when the plug-in unit 3 is subjected to a painting process, and the oil leakage hole 43 is provided in a hole wall of the first insertion hole 4a and extends to the bottom opening. Therefore, the paint can be prevented from being accumulated in the first insertion hole 4a, and the first insertion hole 4a is prevented from being blocked due to the paint accumulation in the first insertion hole 4a, so that the reliability of the insertion fit between the first insertion plate 5a and the first insertion hole 4a is prevented from being influenced.

As shown in fig. 1-6, the stopper forms a first stopper protrusion 6a, and the first stopper protrusion 6a is adapted to snap-fit with any one of a plurality of first stopper recesses 7a of the protection device 2 to fix the protection device 2 at different height positions. Through the cooperation of the first limit convex part 6a and the first limit concave part 7a, the protection device 2 and the plug connector 3 can be stably limited and fixed together, the structures of the plug connector 3 and the protection device 2 are simpler, and the production cost is further reduced.

In some embodiments, a plurality of first limiting concave portions 7a are arranged in the height direction, and the first limiting convex portion 6a is adapted to cooperate with any one of the first limiting concave portions 7a to fix the protection device 2 at different height positions.

In the inserting process, the height of the matching position of the first limiting convex part 6a and the first limiting concave part 7a and the height of the matching position of the first limiting convex part 6a and the last first limiting concave part 7a are within the adjustable height range of the protection device 2.

From this, to the motor of different models, protection device 2 can both cooperate the fixed suitable position department that sets up on the motor through any one of a plurality of first spacing concave parts 7a and first spacing convex part 6a joint, has avoided protection device 2's arranging to cause the influence to the operation of motor, and plug connector 3's commonality is better, has saved design cost.

When the first inserting hole 4a and the first inserting plate 5a are inserted and matched together, the protecting device 22 is continuously moved downwards after the first limiting convex part 6a is in limiting fit with the first limiting concave part 7a in the inserting process, the first guiding surface 62 of the first limiting convex part 6a is matched with the side surface below the first limiting concave part 7a to guide the movement of the first limiting convex part 6a, so that the first limiting convex part 6a moves towards the direction far away from the first inserting plate 5a, the first inserting plate 5a is separated from the limiting position of the first limiting convex part 6a, the protecting device 2 and the inserting part 3 can continuously move relatively until the first limiting convex part 6a is in limiting fit with the next first limiting concave part 7a, and the guiding surface of the first limiting convex part 6a is matched with the side surface below the next first limiting concave part 7a to continuously enable the protecting device 2 and the inserting part 3 to relatively move and continuously move until the protecting device 2 reaches a proper height.

Further, the first limiting surface 61 can be matched with a side surface above any one first limiting concave part 7a, so that the first inserting plate 5a and the first inserting hole 4a cannot be separated, and the protection device 2 and the plug connector 3 are limited and fixed together.

The first limiting surface 61 and the first guide surface 62 are arranged oppositely in the plugging direction, specifically, the plugging direction is the extending direction of the jack, the jack extends vertically, the first limiting surface 61 is located at the lower side of the first limiting convex part 6a, and the first guide surface 62 is located at the upper side of the first limiting convex part 6 a.

In some embodiments, an included angle between the first limiting surface 61 and the plugging direction is greater than an included angle between the first guiding surface 62 and the plugging direction, so that the guiding effect of the first guiding surface 62 is better, and the limiting effect of the first limiting surface 61 is better.

Referring to fig. 7-9, the installation portion 31 forms a second insertion plate 5b, the second insertion plate 5b is suitable for being in insertion fit with a second insertion hole 4b of the protection device 2, and the protection device 2 and the insertion piece 3 can be fixedly connected together through insertion fit of the second insertion hole 4b and the second insertion plate.

The limiting part is arranged on the side wall of the second inserting plate 5 b. Therefore, when the second inserting plate 5b is inserted into the second inserting hole 4b from bottom to top, the limiting part positioned on the side wall of the second inserting plate 5b can be movably matched with the second inserting hole 4b, so that the protection device 2 is limited at different heights.

As shown in fig. 7 to 9, the limiting portions include a plurality of limiting portions, at least a part of the plurality of limiting portions are arranged along the height direction of the second plug board 5b, and therefore, the protecting device 2 can be limited at different heights through the matching of the limiting portions at different height positions and the second plug hole 4b, and therefore, for motors of different models, the protecting device 2 can be fixedly arranged at a proper position on the motor through the clamping matching of any one of the plurality of first limiting concave portions 7a and the first limiting convex portion 6a, the influence of the arrangement of the protecting device 2 on the operation of the motor is avoided, the universality of the plug connector 3 is better, and the design cost is saved.

Referring to fig. 7, the stopper portion forms a second stopper recess 7b, and any one of the plurality of second stopper recesses 7b is adapted to snap-fit with the second stopper protrusion 6b of the protection device 2 to fix the protection device 2 at different height positions. Through the cooperation of the second limit convex part 6b and the second limit concave part 7b, the protection device 2 and the plug connector 3 can be stably and fixedly limited, the structures of the plug connector 3 and the protection device 2 are simpler, and the production cost is further reduced.

In some embodiments, a plurality of second limiting recesses 7b are arranged in the height direction, and the second limiting protrusion 6b is adapted to cooperate with any one of the second limiting recesses 7b to fix the protection device 2 at different height positions.

In the process of plugging, the height of the matching position of the second limiting convex part 6b and the first second limiting concave part 7b and the height of the matching position of the second limiting convex part 6b and the last second limiting concave part 7b are within the adjustable height range of the protection device 2.

From this, to the motor of different models, protection device 2 can both cooperate the fixed suitable position department that sets up on the motor of setting through any one in a plurality of second spacing concave part 7b and the spacing convex part 6b joint of second, has avoided protection device 2's arranging to cause the influence to the operation of motor, and plug connector 3's commonality is better, has saved design cost.

According to other embodiments of the present invention, the limiting portion forms a third limiting convex portion, and any one of the plurality of third limiting convex portions is adapted to be in dislocation fit with a fourth limiting convex portion of the protection device 2, so as to fix the protection device 2 at different height positions. Through the dislocation cooperation of the third limit convex part and the fourth limit convex part, the protection device 2 and the plug connector 3 can be stably and fixedly limited together, the plug connector 3 and the protection device 2 are simpler in structure, and the production cost is further reduced.

In some embodiments, a plurality of third limiting protrusions are arranged in the height direction, and the fourth limiting protrusion is adapted to be in staggered fit with any one of the third limiting protrusions to fix the protection device 2 at different height positions.

Wherein, in the process of plugging, the height of the dislocation matching position of the fourth limit convex part and the first third limit convex part and the height of the matching position of the fourth limit convex part and the last third limit convex part are within the height range which can be adjusted by the protection device 2.

From this, to the motor of different models, protection device 2 can both be fixed the suitable position department that sets up on the motor through the dislocation cooperation of any one in a plurality of third spacing convex parts and fourth spacing convex part, has avoided protection device 2's arranging to cause the influence to the operation of motor, and plug connector 3's commonality is better, has saved design cost.

According to the utility model discloses the motor includes plug connector 3, motor main part 1 and protection device 2 of above-mentioned embodiment, and motor main part 1's axial one end is located to protection device 2, and plug connector 3 cooperates with motor main part 1, protection device 2 grafting respectively. In other words, the protective device 2 can be indirectly fixed to the electric machine via the plug 3.

From this, when motor installation protection device 2, need not to carry out complicated wiring process, only need directly install protection device 2 on plug connector 3 through installation department 31, can reach the fixed purpose that sets up protection device 2 on the motor for protection device 2's installation is more convenient, has reduced protection device 2's spoilage in the production and processing process, reduces producers ' work load intensity, uses manpower sparingly, has reduced manufacturing cost.

According to the utility model discloses the motor includes the stator module of above-mentioned embodiment.

According to the utility model discloses compressor includes the motor according to above-mentioned embodiment. In the compressor, the production cost is reduced by adopting the motor. Other configurations for the compressor are well known to those skilled in the art and therefore will not be described in detail herein.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples described in this specification can be combined and combined by those skilled in the art.

Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.

Claims

1. A stator assembly, comprising:

a stator core;

the stator winding is arranged on the plurality of stator teeth of the stator core and forms a coil at the shaft end of the stator core;

the plug connector is characterized in that at least one part of the plug connector is plugged between the stator core and the coil;

protection device, protection device includes support and protector, the support with the plug connector cooperation, the protector is installed just be located on the support the solenoid dorsad one side of stator core.

2. The stator assembly of claim 1, wherein the bracket comprises:

the connecting part is connected to one side, facing the solenoid, of the supporting part so as to be in splicing fit with the plug connector;

3. The stator assembly of claim 2, wherein a side of the support portion facing away from the coil is provided with a boss having a mating slot that mates with a peripheral wall of the protector.

4. The stator assembly of claim 2, wherein the fixing portion has a limiting recess, and one end of the protector is fitted into the limiting recess.

5. The stator assembly of claim 1, wherein a projection of the bracket in a plane perpendicular to an axial direction of the stator core is located between an outer circumferential wall and an inner circumferential wall of the coil.

6. The stator assembly of claim 1, wherein a projection of the live body of the protector in a plane perpendicular to an axial direction of the stator core is located between an outer circumferential wall and an inner circumferential wall of the stator core.

7. The stator assembly of claim 1 wherein the stator windings comprise a first winding and a second winding, and wherein the protector is electrically connected to the first winding and the second winding.

8. The stator assembly of claim 7 wherein the first windings are disposed radially outward of the second windings of the stator assembly.

9. The stator assembly of claim 8, wherein the second winding comprises a plurality of second coils arranged in a circumferential direction of the stator core, and the plug member comprises a plug portion, the plug portion is plugged between the stator core and the coils, and a projection of the plug portion in a plane perpendicular to an axial direction of the stator core is located in a middle portion of one of the second coils.

10. The stator assembly of claim 8, wherein the first winding comprises two axisymmetrically arranged first coils and the second winding comprises two axisymmetrically arranged second coils, and wherein an axis of symmetry of the first winding and an axis of symmetry of the second winding are orthogonally arranged.

11. The stator assembly of claim 7 wherein the first wire inlet end of the first winding, the second wire inlet end of the second winding, and the first terminal of the protector are adapted to be connected to three wire outlet terminals of an electric machine for connection to an external power source, the first wire outlet end of the first winding, the second wire outlet end of the second winding, and the second terminal of the protector being electrically connected.

12. The stator assembly of claim 11, wherein a junction of the first outlet end and the second outlet end, a junction of the first inlet end and one of the outlet wires, and a junction of the second inlet end and another of the outlet wires are respectively wrapped by insulating sleeves.

13. The stator assembly of claim 11, wherein a junction of the first outlet terminal and the second outlet terminal is connected to one end of a connecting wire, the other end of the connecting wire is provided with a slot, and the second terminal forms an insert which is in inserted connection with the slot.

14. The stator assembly of any of claims 1-13, wherein the plug comprises:

a mounting portion that mates with the bracket;

15. The stator assembly of claim 14, wherein the mounting portion has a limiting portion, and the limiting portion is movably engaged with the bracket to fix the protector at different heights.

16. An electrical machine comprising a stator assembly according to any of claims 1-15.

17. A compressor, characterized by comprising an electric machine according to claim 16.