CN217036887U - Stator, motor and refrigeration equipment - Google Patents

Abstract

The utility model relates to a stator, a motor and refrigeration equipment. The stator comprises a stator body, a thermal protector and a fixing piece, wherein the stator body comprises a stator winding; the thermal protector is electrically connected with the stator winding and is in contact with the stator winding; the fixing piece comprises a main body and a connecting portion, the main body is connected with the connecting portion, the connecting portion is connected with the stator body, the main body and the stator winding are spaced in the axial direction of the stator body, and the thermal protector is clamped and fixed between the main body and the stator winding in the axial direction of the stator body. The stator provided by the embodiment of the utility model has the advantages of high production efficiency and the like.

Description

Stator, motor and refrigeration plant

Technical Field

The utility model relates to the technical field of motors, in particular to a stator, a motor and refrigeration equipment.

Background

The safety problem of household electrical appliances becomes more and more serious, and particularly, the motor is overheated and the fire is sometimes generated. In order to improve the safety factor of the motor, a thermal protector is usually installed on a stator winding of the motor, when the temperature of the stator winding reaches a certain threshold (preset value), the thermal protector works to disconnect the electrical connection between the stator winding and a power supply, so that the motor stops working, and the motor is prevented from being on fire due to overhigh temperature.

The thermal protector is fixed to the stator by using a tie in the related art, and for example, as shown in fig. 5, the thermal protector 30 (the thermal protector main body 3001 and the thermal protector wire harness 3002) is fixed to the insulating frame 20 of the stator by using a plurality of ties 10. The fixing method of the thermal protector 30 has a technical problem of low installation efficiency, which results in high production cost of the stator.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to solving, at least in part, one of the technical problems in the related art.

Therefore, the embodiment of the utility model provides a stator with high assembly efficiency.

The embodiment of the utility model provides a motor with low production cost.

The embodiment of the utility model provides a refrigeration device with low production cost.

The stator comprises a stator body, a thermal protector and a fixing piece, wherein the stator body comprises a stator winding; the thermal protector is electrically connected with the stator winding and is in contact with the stator winding; the fixing piece comprises a main body and a connecting portion, the main body is connected with the connecting portion, the connecting portion is connected with the stator body, the main body is spaced from the stator winding along the axial direction of the stator body, and the thermal protector is clamped and fixed between the main body and the stator winding in the axial direction of the stator body.

The stator provided by the embodiment of the utility model has the advantages of high production efficiency and the like.

In some embodiments, the stator body includes a stator core including a plurality of stator teeth around which the stator winding is wound, and an insulating bobbin having first and second end faces opposing in an axial direction of the stator body, the first end face being disposed closer to the thermal protector than the second end face in the axial direction of the stator body; the insulating framework is arranged on the first end face, and the connecting portion is detachably connected with the insulating framework.

In some embodiments, the insulation frame comprises an insulation frame body and an outer baffle, the outer baffle is arranged on the outer circumferential surface of the insulation frame body, the connecting part is arranged on the outer circumferential surface of the main body, and the connecting part is detachably connected with the outer baffle.

In some embodiments, the connecting portion has a first catch and the outer barrier has a second catch that mates with the first catch so that the connecting portion is removably connected to the outer barrier.

In some embodiments, one of the connecting portion and the outer barrier has a positioning hole extending in the axial direction of the stator body, and the other of the connecting portion and the outer barrier has a positioning protrusion extending in the axial direction of the stator body, the positioning protrusion being inserted into the positioning hole, and the positioning protrusion being engaged with the positioning hole.

In some embodiments, the connecting portion includes a first portion and a second portion, the first portion being connected to the body, the first portion having the positioning hole; the second part is connected with the first part, the first part and the second part are arranged in an L shape, and the second part is provided with the first buckle.

In some embodiments, one of the connecting portion and the stator body has a positioning column extending along the axial direction of the stator body, and the other of the connecting portion and the stator body has a positioning groove extending along the axial direction of the stator body, the positioning column is inserted into the positioning groove, and the positioning column is matched with the positioning groove.

In some embodiments, the positioning column is disposed on the connecting portion, the positioning groove is disposed on the positioning body, and the positioning groove is defined between two adjacent stator teeth.

In some embodiments, the fixing member further includes a first radial stopper portion connected to the main body, the first radial stopper portion being provided to protrude from the main body toward the second end face, the first radial stopper portion being spaced apart from the outer barrier in an inward and outward direction, the first radial stopper portion being located inside the outer barrier;

the thermal protector comprises a thermal protector main body and a thermal protector wire, the thermal protector main body is electrically connected with the stator winding, the thermal protector wire is electrically connected with the thermal protector main body, the thermal protector main body is clamped and fixed in the axial direction of the stator body between the main body and the stator winding, the thermal protector main body is provided with a first side face and a second side face which are opposite in the inner and outer directions, the first side face is abutted against the first radial limiting portion, and the second side face is abutted against the outer baffle.

In some embodiments, the thermal protector body has third and fourth sides opposite in a circumferential direction of the stator body, the thermal protector wire overhanging the fourth side;

the fixing piece further comprises a circumferential limiting part, the circumferential limiting part is connected with the main body, the circumferential limiting part protrudes out of the main body towards the second end face, and the third side face abuts against the circumferential limiting part.

In some embodiments, the thermal protector wire is located between the main body and the stator winding in the axial direction of the stator body, the fixing member further includes a second radial limiting portion, the second radial limiting portion is connected with the main body, the second radial limiting portion and the first radial limiting portion are arranged along the circumferential interval of the stator body, the second radial limiting portion protrudes towards the second end face of the main body, the second radial limiting portion is spaced apart from the outer baffle in the inner and outer direction, the second radial limiting portion is located on the inner side of the outer baffle, the stator winding is clamped between the second radial limiting portion and the outer baffle in the inner and outer direction, and the thermal protector wire is located between the outer baffle and the second radial limiting portion in the inner and outer direction.

In some embodiments, the insulating frame comprises an inner barrier, the inner barrier is arranged on the inner circumferential surface of the insulating frame body;

the fixing piece further comprises an axial limiting portion, the axial limiting portion is arranged on the inner side face of the second radial limiting portion, and the axial limiting portion is abutted against the inner baffle in the axial direction of the stator body and is far away from the end face of the first end face.

In some embodiments, the body is plate-shaped.

The motor according to an embodiment of the present invention includes the stator according to any one of the above embodiments.

The motor provided by the embodiment of the utility model has the advantages of low production cost and the like.

The refrigeration equipment of the embodiment of the utility model comprises the motor of any one of the above embodiments.

The refrigeration equipment provided by the embodiment of the utility model has the advantages of low production cost and the like.

Drawings

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

Fig. 2 is an exploded view of fig. 1.

Fig. 3 is a partial schematic view of another perspective of a stator according to an embodiment of the utility model.

Fig. 4 is an exploded view of fig. 3.

Fig. 5 is a plan view of a stator in the related art.

Reference numerals:

a stator 100;

a stator core 1; stator teeth 101; a positioning groove 102; a first end face 103; a second end face 104;

a stator winding 2;

a thermal protector 3; a thermal protector body 301; a first side 3011; a second side 3012; a third side 3013; a fourth side 3014; thermal protector wires 302;

a fixing member 4; a main body 401; a first radial stop 402; a second radial stopper 403; a circumferential stopper 404; an axial stopper 405; a first clasp 406; positioning holes 407; a positioning post 408; a connecting portion 410; a first portion 4101; a second portion 4102;

an insulating skeleton 5; an outer baffle 502; a second catch 5021; an inner baffle 503; the positioning projection 5022;

a band 10;

an insulating skeleton 20;

a thermal protector 30; a thermal protector body 3001; thermal protector harness 3002.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the utility model and are not to be construed as limiting the utility model.

As shown in fig. 1 to 4, a stator 100 of an embodiment of the present invention includes a stator body, a thermal protector 3, and a fixing member 4. The stator body comprises a stator winding 2, the thermal protector 3 is electrically connected with the stator winding 2, and the thermal protector 3 is in contact with the stator winding 2. The fixing member 4 includes a main body 401 and a connecting portion 410, the main body 401 being connected to the connecting portion 410, and the connecting portion 410 being connected to the stator body. The main body 401 is spaced from the stator winding 2 in the axial direction of the stator body, and the thermal protector 3 is sandwiched and fixed between the main body 401 and the stator winding 2 in the axial direction of the stator body.

In the related art, the thermal protector is fixed by the binding tapes, and after the thermal protector is electrically connected with the stator winding, a plurality of binding tapes need to be repeatedly bound on the stator to complete the installation and fixation of the thermal protector on the stator. The whole process is complicated, the installation efficiency of the thermal protector is low, and the production efficiency of the stator and the motor with the stator is influenced.

When the stator 100 of the embodiment of the present invention assembles the thermal protector 3, it only needs to electrically connect the thermal protector 3 with the stator winding 2, and place the thermal protector 3 at a predetermined position of the stator body, and then the fixing member 4 is connected to the stator body through the connecting portion 410, so that the thermal protector 3 is clamped and fixed between the main body 401 and the stator winding 2 in the axial direction of the stator body, that is, the thermal protector 3 is mounted and fixed on the stator body. The thermal protector 3 of the stator 100 of the embodiment of the present invention is mounted with high efficiency compared to the related art in which the thermal protector is fixed by a band. So that the production cost of the motor having the stator 100 can be reduced.

Therefore, the stator 100 according to the embodiment of the present invention has advantages of high production efficiency, and the like.

The motor having the stator 100 according to the embodiment of the present invention has advantages of low production cost, etc.

The refrigeration equipment with the motor provided by the embodiment of the utility model has the advantages of low production cost and the like.

Optionally, the body 401 is plate-shaped. In other words, the body 401 is a fixed plate.

Therefore, the thermal protector 3 is clamped and fixed between the stator winding 2 and the plate-shaped main body 401 in the axial direction of the stator body, which is beneficial to improving the contact area between the main body 401 and the thermal protector 3, thereby improving the fixing stability of the thermal protector 3.

In some embodiments, the stator body includes a stator core 1 and an insulating skeleton 5. The stator core 1 includes a plurality of stator teeth 101, and the stator winding 2 is wound around the stator teeth 101. The stator core 1 has a first end face 103 and a second end face 104 opposed in the axial direction of the stator body, the first end face 103 being disposed closer to the thermal protector 3 than the second end face 104 in the axial direction of the stator body. The insulating skeleton 5 is arranged on the first end surface 103, and the connecting part 410 is detachably connected with the insulating skeleton 5.

The insulating skeleton 120 may be known and irrelevant to the inventive point of the present application, and thus will not be described in detail.

In order to make the technical solution of the present application easier to understand, the technical solution of the present application is further described below by taking an example in which the axial direction of the stator body coincides with the up-down direction, wherein the up-down direction is as shown in fig. 1.

For example, as shown in fig. 1, the stator core 1 has a first end surface 103 (upper end surface) and a second end surface 104 (lower end surface) that are opposite in the up-down direction, the thermal protector 3 is disposed adjacent to the upper end surface of the stator core 1 in the up-down direction, and the insulating bobbin 5 is disposed on the upper end surface of the stator core 1.

The connecting part 410 is connected with the insulating framework 5, so that the fixing part 4 is conveniently connected with the stator body. The thermal protector 3 of the stator 100 is further improved in mounting efficiency, so that the production cost of the motor having the stator 100 can be further reduced. In addition, connecting portion 410 links to each other with insulating skeleton 5 detachably for mounting 4 links to each other with stator body detachably, makes the repeated dismouting of hot protector 4, makes things convenient for hot protector 4's maintenance and change.

Optionally, the insulation frame 5 includes an insulation frame body and an outer baffle 502, the outer baffle 502 is disposed on an outer circumferential surface of the insulation frame body, the connection portion 410 is disposed on an outer circumferential surface of the main body 401, and the connection portion 410 is detachably connected to the outer baffle 502.

Here, the inward means a direction adjacent to the axis of the stator body on a plane perpendicular to the axial direction of the stator body, and the outward means a direction away from the axis of the stator body on a plane perpendicular to the axial direction of the stator body, the inward and outward directions being as shown in fig. 3.

The connecting portion 410 is disposed on the outer circumferential surface of the main body 401, the outer barrier 502 is disposed on the outer circumferential surface of the insulator body, and the connecting portion 410 is connected to the outer barrier 502. Thus, the connection of the connecting portion 410 and the outer barrier 502 can be performed outside the stator body, thereby further facilitating the connection of the fixing member 4 to the stator body. It is advantageous to further improve the efficiency of installing the thermal protector 3 of the stator 100, so that the production cost of the motor having the stator 100 can be further reduced.

Optionally, the connector 410 has a first catch 406, the outer barrier 502 has a second catch 5021, and the second catch 5021 mates with the first catch 406 such that the connector 410 is coupled to the outer barrier 502.

For example, as shown in fig. 1, the first latch 406 has an upper end surface, the second latch 5021 has a lower end surface, the upper end surface of the first latch 406 is located at the lower side of the lower end surface of the second latch 5021, and the upper end surface of the first latch 406 abuts against the lower end surface of the second latch 5021 in the up-down direction, so that the connection portion 410 is connected with the outer barrier 502.

The connecting portion 410 and the outer baffle 502 are connected with each other by the first latch 406 and the second latch 5021, so that the fixing member 4 is further connected with the stator body conveniently. It is advantageous to further improve the efficiency of installing the thermal protector 3 of the stator 100, so that the production cost of the motor having the stator 100 can be further reduced.

Alternatively, one of the connecting portion 410 and the outer barrier 502 has a positioning hole 407 extending in the axial direction of the stator body, and the other of the connecting portion 410 and the outer barrier 502 has a positioning projection 5022 extending in the axial direction of the stator body. The positioning projection 5022 is inserted into the positioning hole 407, and the positioning projection 5022 is matched with the positioning hole 407.

For example, as shown in fig. 2 and 4, the connecting portion 410 has a positioning hole 407 extending in the vertical direction, the outer shutter 502 has a positioning projection 5022 extending in the vertical direction, the positioning projection 5022 is inserted into the positioning hole 407 in the vertical direction, and the side surface of the positioning projection 5022 engages with the wall of the positioning hole 407.

From this, utilize the protruding 5022 of location and the cooperation of locating hole 407 can be in stator body's circumference and radially to carry on spacingly to mounting 4, be favorable to improving the stability of being connected of mounting 4 and stator body. In addition, carry out spacing back to mounting 4 in stator body's circumference and footpath, can use less connecting piece to realize the stable of mounting 4 and stator body and be connected, be favorable to further improving that thermal protector 3 installation effectiveness is high to can further reduce the manufacturing cost who has this stator 100's motor.

Alternatively, the positioning projection 5022 is formed by a portion of the outer barrier 502. In other words, the positioning projection 5022 is constituted by the structure of the stator body itself. Therefore, the structure of the stator body in the related art does not need to be changed, which is beneficial to further reducing the production cost of the motor with the stator 100.

Alternatively, as shown in fig. 4, the connecting portion 410 includes a first part 4101 and a second part 4102, the first part 4101 and the second part 4102 are arranged in an L shape, the first part 4101 is connected to the body 401, and the first part 4101 has the positioning hole 407 described above. The second portion 4102 is connected to the first portion 4101, the second portion 4102 having the first catch 406 described above.

In other words, the positioning hole 407 and the first buckle 406 are disposed at different portions of the connecting portion 410, which is beneficial to further improving the installation efficiency of the thermal protector 3, and thus the production cost of the motor having the stator 100 can be further reduced.

Alternatively, the connection portion 410 is provided in plurality, and the plurality of connection portions 410 are provided at intervals in the circumferential direction of the stator body.

For example, as shown in fig. 2, three connecting portions 410 are provided, and the first buckle 406 and the positioning hole 407 are provided on each of the three connecting portions 410.

This is advantageous in improving the stability of connection between the stator body and the stator 4.

Alternatively, one of the connecting portion 410 and the stator body has the positioning column 408 extending in the axial direction of the stator body, and the other of the connecting portion 410 and the stator body has the positioning groove 102 extending in the axial direction of the stator body. The positioning post 408 is inserted into the positioning slot 102, and the positioning post 408 is matched with the positioning slot 102.

For example, as shown in fig. 1 and 2, the connecting portion 410 has a positioning column 408 extending in the vertical direction, the stator body has a positioning groove 102 extending in the vertical direction, the positioning column 408 is inserted into the positioning groove 102, and the positioning column 408 is engaged with the positioning groove 102.

Therefore, the positioning column 408 is matched with the positioning groove 102 to at least limit the fixing piece 4 in the circumferential direction of the stator body, and the improvement of the connection stability of the fixing piece 4 and the stator body is facilitated. In addition, carry on spacingly the back to mounting 4 in stator body's circumferencial direction, can use less connecting piece to realize mounting 4 and stator body's stable connection, be favorable to further improving that thermal protector 3 installation effectiveness is high to can further reduce the manufacturing cost who has this stator 100's motor.

Optionally, a plurality of positioning pillars 408 and positioning grooves 102 are provided, and the positioning pillars 408 are arranged at intervals along the circumferential direction of the stator body.

For example, as shown in fig. 1 and 2, two positioning pillars 408 are provided, and the two positioning pillars 408 are arranged at intervals along the circumferential direction of the stator body.

Optionally, the number of positioning slots 102 is greater than the number of positioning posts 408.

For example, as shown in fig. 1, a plurality of positioning slots 102 are circumferentially spaced of the stator body such that positioning posts 408 can mate with positioning slots 102 at different locations.

Alternatively, the positioning column 408 is disposed on the connecting portion 410, the positioning groove 408 is disposed on the positioning body, and the positioning groove 102 is defined between two adjacent stator teeth 101. In other words, the positioning groove 102 is constituted by the structure of the stator body itself. Therefore, the structure of the stator body in the related art does not need to be changed, which is beneficial to further reducing the production cost of the motor with the stator 100.

In some embodiments, the fixture 4 further comprises a first radial stop portion 402, the first radial stop portion 402 being connected to the main body 401. The first radial limiting portion 402 is disposed toward the second end surface protruding main body 401, the first radial limiting portion 402 is spaced apart from the outer baffle 502 in the inward and outward direction, and the first radial limiting portion 402 is located inside the outer baffle 502.

The thermal protector 3 includes a thermal protector body 301 and thermal protector wires 302, the thermal protector body 301 being electrically connected to the stator winding 2, the thermal protector wires 302 being electrically connected to the thermal protector body 301. The thermal protector body 301 is held and fixed between the body 401 and the stator winding 2 in the axial direction of the stator body, and the thermal protector body 301 has a first side surface 3011 and a second side surface 3012 opposed to each other in the inside-outside direction. The first side surface 3011 abuts against the first radial limiting portion 402, and the second side surface 3012 abuts against the outer baffle 502.

For example, as shown in fig. 3 and 4, the first radial direction limiting portion 402 is a limiting plate, the first radial direction limiting portion 402 is connected to the inner side surface of the main body 401, and the first radial direction limiting portion protrudes downward from the main body 401. The thermal protector body 301 is sandwiched and fixed between the body 401 and the stator winding 2 in the vertical direction. A first side surface 3011 (inner side surface) of the thermal protector body 301 abuts against the first radial limiting portion 402, and a second side surface 3012 (outer side surface) of the thermal protector body 301 abuts against the outer baffle 502. In other words, the thermal protector body 301 is sandwiched and fixed between the first radial direction restricting portion 402 and the outer barrier 502 in the inner-outer direction.

From this, realize the stable location of thermal protector main part 301 in upper and lower direction (stator body axial) and inside and outside direction (stator body circumference), be favorable to improving the installation stability of thermal protector 3. Thereby contributing to improvement in reliability of the thermal protector 3, and operational reliability of the stator 100 and the motor having the stator 100.

Optionally, the thermal protector body 301 has third and fourth sides 3013 and 3014 opposite in the circumferential direction of the stator body, the thermal protector wire 302 overhanging the fourth side 3014.

The fixing member 4 further includes a circumferential limiting portion 404, the circumferential limiting portion 404 is connected to the main body 401, the circumferential limiting portion 404 protrudes out of the main body 401 toward the second end surface, and the third side surface 3013 abuts against the circumferential limiting portion 404.

By abutting the third side surface 3013 against the circumferential stopper 404, the thermal protector body 301 can be circumferentially stopped in the direction toward the third side surface 3013. Furthermore, it will be understood by those skilled in the art that the thermal protector body 301 can be circumferentially restrained from moving toward the fourth side 3014 by connecting the thermal protector wires 302 to the thermal protector body 301 and by connecting the thermal protector body 301 to the stator winding 2.

From this, can realize spacing the circumference of thermal protector main part 301, be favorable to improving thermal protector 3's installation stability. Thereby contributing to improvement in reliability of the thermal protector 3, and operational reliability of the stator 100 and the motor having the stator 100.

Optionally, the thermal protector wires 302 are between the main body 401 and the stator windings 2 in the axial direction of the stator body.

The fixing member 4 further includes a second radial stopper 403, and the second radial stopper 403 is connected to the main body 401. The second radial limiting portion 403 and the first radial limiting portion 402 are arranged at intervals along the circumferential direction of the stator body, the second radial limiting portion 403 is arranged towards the second end surface protruding main body 401, and the second radial limiting portion 403 is spaced from the outer baffle 502 in the inner and outer directions. The second radial direction stopper 403 is located inside the outer barrier 502. The stator winding 2 is sandwiched between the second radial stopper 403 and the outer shroud 502 in the inward and outward direction, and the thermal protector lead 302 is located between the outer shroud 502 and the second radial stopper 403 in the inward and outward direction.

For example, as shown in fig. 3 and 4, the second radial direction limiting portion 403 is a limiting plate, the second radial direction limiting portion 403 is connected to the inner side surface of the main body 401, and the second radial direction limiting portion 403 protrudes downward from the main body 401. The thermal protector wire 302 is located between the main body 401 and the stator winding 2 in the up-down direction. The thermal protector wire 302 is positioned between the outer baffle 502 and the second radial stop 403 in the inboard and outboard directions.

From this, realize that thermal protector wire 302 is spacing with stabilizing of inside and outside direction (stator body circumference) in upper and lower direction (stator body axial), be favorable to further improving that thermal protector 3 installation effectiveness is high to can further reduce the manufacturing cost who has this stator 100's motor.

Optionally, the second radial limiting portion 403 is provided in a plurality, and the plurality of second radial limiting portions 403 are arranged at intervals along the circumferential direction of the stator body.

For example, as shown in fig. 3 and 4, three second radial direction limiting portions 403 are provided, and the three second radial direction limiting portions 403 are provided at intervals in the circumferential direction of the stator body.

This is advantageous in further improving the mounting efficiency of the thermal protector 3, and thus the production cost of the motor having the stator 100 can be further reduced.

Optionally, the insulating frame 5 includes an inner barrier 503, and the inner barrier 503 is disposed on the inner circumferential surface of the insulating frame body. The fixing member 4 further includes an axial limiting portion 405, the axial limiting portion 405 is disposed on an inner side surface of the second radial limiting portion 403, and the axial limiting portion 405 abuts against an end surface of the inner baffle 503, which is far away from the first end surface 103, in the axial direction of the stator body.

For example, as shown in fig. 3, the lower end surface of the axial stopper portion 405 faces the upper end surface of the inner barrier 503 which abuts downward.

From this, utilize on the interior baffle 503 that axial spacing portion 405 supported, can avoid the clamping-force of mounting 4 to thermal protector main part 301 too big, be favorable to improving the security of thermal protector 3.

The following describes a process of installing the thermal protector 3 of the stator 100 of the embodiment of the present invention with reference to fig. 1 to 4:

first, the thermal protector 3 is placed on the stator winding 2, and the thermal protector body 301 is electrically connected to the stator winding 2; then, the positioning post 408 of the fixing element 4 is inserted into the positioning slot 102, and is matched with the positioning protrusion 5022 through the positioning hole 407, and the first buckle 406 is matched with the second buckle 5021. At this time, the thermal protector main body 301 is clamped and fixed between the main body 401 and the stator winding 2, the thermal protector main body 301 is clamped and fixed between the first radial limiting portion 402 and the outer baffle 502 of the insulating framework 5, the side face, far away from the thermal protector wiring harness 3002, of the thermal protector main body 301 abuts against the circumferential limiting portion 404, the thermal protector wiring harness 3002 is located in a space defined by the main body 401, the stator winding, the second radial limiting portion 403 and the outer baffle 502, and the thermal protector 3 is installed and fixed on the stator main body. The stator 100 of the embodiment of the present invention achieves the effect of the rapidly assembled thermal protector 3 by using the fixing member 4.

The motor provided by the embodiment of the utility model comprises the stator provided by any embodiment.

Therefore, the motor provided by the embodiment of the utility model has the advantages of low production cost and the like.

The refrigeration equipment provided by the embodiment of the utility model comprises the motor provided by any embodiment.

The refrigeration equipment can be an air conditioner indoor unit or an air conditioner outdoor unit and other refrigeration equipment.

Therefore, the refrigeration equipment provided by the embodiment of the utility model has the advantages of low production cost and the like.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the utility model.

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 at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless explicitly specified otherwise.

In the present invention, unless otherwise explicitly stated or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly, e.g., as being permanently connected, detachably connected, or integral; may be mechanically coupled, may be electrically coupled or may be in communication with each other; may be directly connected or indirectly connected through intervening media, and may be partially connected or interconnected between two elements or may be in an interactive relationship between the two elements, unless expressly stated otherwise. The specific meanings 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 invention, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the second feature or the first and second features may be indirectly contacting each other through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the present disclosure, the terms "one embodiment," "some embodiments," "example," "specific example," or "some examples" and the like 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 present disclosure. 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. Moreover, various embodiments or examples and features of various embodiments or examples described in this specification can be combined and combined by one skilled in the art without being mutually inconsistent.

Although embodiments of the present invention have been shown and described above, it will be understood that the above embodiments are exemplary and not to be construed as limiting the present invention, and that changes, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.

Claims (15)

1. A stator, comprising:

a stator body including a stator winding;

a thermal protector electrically connected to the stator winding, the thermal protector in contact with the stator winding; and

the fixing piece comprises a main body and a connecting portion, the main body is connected with the connecting portion, the connecting portion is connected with the stator body, the main body is spaced from the stator winding along the axial direction of the stator body, and the thermal protector is clamped and fixed between the main body and the stator winding in the axial direction of the stator body.

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

the stator core comprises a plurality of stator teeth, the stator winding is wound on the stator teeth, the stator core is provided with a first end face and a second end face which are opposite in the axial direction of the stator body, and the first end face is arranged more adjacent to the thermal protector than the second end face in the axial direction of the stator body; and

the insulating framework is arranged on the first end face, and the connecting portion is detachably connected with the insulating framework.

3. The stator according to claim 2, wherein the insulation frame comprises an insulation frame body and an outer baffle, the outer baffle is arranged on the outer circumferential surface of the insulation frame body, the connecting part is arranged on the outer circumferential surface of the main body, and the connecting part is detachably connected with the outer baffle.

4. The stator of claim 3 wherein the connecting portion has a first catch and the outer barrier has a second catch, the second catch engaging the first catch so that the connecting portion is removably connected to the outer barrier.

5. The stator according to claim 4, wherein one of the connecting portion and the outer barrier has a positioning hole extending in the axial direction of the stator body, and the other of the connecting portion and the outer barrier has a positioning projection extending in the axial direction of the stator body, the positioning projection being inserted into the positioning hole, the positioning projection being engaged with the positioning hole.

6. The stator according to claim 5, wherein the connecting portion comprises:

a first portion connected to the body, the first portion having the locating hole; and

the second part is connected with the first part, the first part and the second part are arranged in an L shape, and the second part is provided with the first buckle.

7. The stator as claimed in claim 4, wherein one of the connecting portion and the stator body has a positioning post extending in the axial direction of the stator body, and the other of the connecting portion and the stator body has a positioning groove extending in the axial direction of the stator body, the positioning post being inserted into the positioning groove, the positioning post being engaged with the positioning groove.

8. The stator as claimed in claim 7, wherein the positioning posts are disposed on the connecting portion, the positioning slots are disposed on the positioning body, and the positioning slots are defined between two adjacent stator teeth.

9. The stator according to any one of claims 3 to 8, wherein the fixing member further comprises a first radial stopper portion connected to the main body, the first radial stopper portion being provided to project from the main body toward the second end face, the first radial stopper portion being spaced apart from the outer barrier in an inward and outward direction, the first radial stopper portion being located inside the outer barrier;

the thermal protector comprises a thermal protector main body and a thermal protector wire, the thermal protector main body is electrically connected with the stator winding, the thermal protector wire is electrically connected with the thermal protector main body, the thermal protector main body is clamped and fixed in the axial direction of the stator body between the main body and the stator winding, the thermal protector main body is provided with a first side face and a second side face which are opposite in the inner and outer directions, the first side face is abutted against the first radial limiting portion, and the second side face is abutted against the outer baffle.

10. The stator of claim 9 wherein the thermal protector body has third and fourth circumferentially opposite sides of the stator body, the thermal protector wire overhanging the fourth side;

the fixing piece further comprises a circumferential limiting part, the circumferential limiting part is connected with the main body, the circumferential limiting part protrudes out of the main body towards the second end face, and the third side face abuts against the circumferential limiting part.

11. The stator according to claim 9, wherein the thermal protector leads are positioned between the main body and the stator winding in an axial direction of the stator body, the fixing member further includes a second radial spacer portion connected to the main body, the second radial spacer portion and the first radial spacer portion being provided at intervals in a circumferential direction of the stator body, the second radial spacer portion being provided to protrude from the main body toward the second end face, the second radial spacer portion being spaced apart from the outer barrier in an inward and outward direction, the second radial spacer portion being positioned inside the outer barrier, wherein the stator winding is sandwiched between the second radial spacer portion and the outer barrier in the inward and outward direction, and the thermal protector leads are positioned between the outer barrier and the second radial spacer portion in the inward and outward direction.

12. The stator according to claim 11, wherein the insulating frame includes an inner barrier provided on an inner circumferential surface of the insulating frame body;

the fixing piece further comprises an axial limiting portion, the axial limiting portion is arranged on the inner side face of the second radial limiting portion, and the axial limiting portion is abutted against the inner baffle in the axial direction of the stator body and is far away from the end face of the first end face.

13. A stator according to any of claims 1-8, characterized in that the body is plate-shaped.

14. An electrical machine comprising a stator according to any one of claims 1-13.

15. A refrigeration apparatus comprising the motor of claim 14.

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