Connection structure, motor, compressor and refrigeration device

Abstract

The application provides a connecting structure, a motor, a compressor and a refrigeration device. The connecting structure is used for the motor, the motor comprises a stator and a protection device, the stator comprises a stator core, a winding and an insulation piece, the protection device is connected with outgoing lines of the winding, and the connecting structure comprises: a main body part located at a circumferential side of the winding; a first connecting piece provided on the main body part, the first connecting piece being used for connecting the stator; and a second connecting piece provided on the main body part, the second connecting piece being used for connecting the protection device. Through reasonable connection of the components of the connecting structure, effectiveness and reliability of the connection between the outgoing lines of the winding and the protection device are ensured, the assembly process of the protection device and the stator is simplified, the input of human resources is reduced, the occurrence probability of damage of the protection device during assembly of the protection device is reduced, the production cost of the motor is reduced, and the yield of the product is improved.

Description

Technical Field

[0001] This invention relates to the field of motor technology, and more specifically, to a connection structure, a motor, a compressor, and a refrigeration device. Background Technology

[0002] The motor includes a protection device that ensures timely shutdown in abnormal situations, thus protecting the motor. In related technologies, the protection device is manually secured with binding wires. However, this method is prone to damage and involves complex procedures. Summary of the Invention

[0003] The present invention aims to solve at least one of the technical problems existing in the prior art or related art.

[0004] Therefore, a first aspect of the present invention provides a connection structure.

[0005] A second aspect of the present invention provides an electric motor.

[0006] A third aspect of the present invention provides a compressor.

[0007] A fourth aspect of the present invention provides a refrigeration device.

[0008] In view of this, a first aspect of the present invention provides a connection structure for an electric motor, the electric motor including a stator and a protection device, the stator including a stator core, windings and an insulating component, the protection device being connected to the leads of the windings, the connection structure including: a main body located on the periphery of the windings; a first connector disposed on the main body for connecting the stator; and a second connector disposed on the main body for connecting the protection device.

[0009] The present invention provides a connection structure comprising a main body, a first connector and a second connector, wherein the first connector and the second connector are both disposed in the main body, that is, the main body has the function of supporting and fixing the first connector and the second connector.

[0010] Specifically, the first connector is used to connect the stator, and the second connector is used to connect the protection device. In other words, the stator and the protection device are assembled together via the connecting structure. Because the first connector connects to the stator, the fit dimensions between the connecting structure and the stator are guaranteed. Because the second connector connects to the protection device, the fit dimensions between the protection device and the stator are guaranteed.

[0011] Specifically, when assembling the motor, the connecting structure is first assembled with the stator, and then the protection device is assembled with the connecting structure.

[0012] This setup ensures the effectiveness and reliability of the connection between the winding leads and the protection device, while simplifying the assembly process of the protection device and the stator, reducing the input of human resources, lowering the probability of damage to the protection device during assembly, which is beneficial to reducing the production cost of the motor and improving the product yield.

[0013] Understandably, the main body is located around the periphery of the winding, that is, the winding is located between the center of the stator core and the main body. The mating structure between the winding and the main body can limit the main body radially along the stator core to ensure the mating dimensions between the connection structure and the winding.

[0014] Understandably, the protection device is electrically connected to the winding leads. The protection device can trip and stop the motor in time in case of abnormal operation, thus protecting the motor and improving the safety and reliability of motor use.

[0015] According to the connection structure described above, the present invention may also have the following additional technical features:

[0016] In the above technical solution, the first connector further includes a first connecting portion; an accommodating area is formed between the end of the stator core and the winding, and the first connecting portion can be inserted into the accommodating area.

[0017] In this technical solution, the first connector includes a first connecting portion, and a receiving area is formed between the end of the stator core and the winding. By reasonably setting the mating structure between the first connector and the stator, the first connecting portion of the first connector is inserted into the receiving area. This setting helps to increase the contact area and contact angle between the first connector and the stator, and helps to improve the stability and reliability of the connection structure and the stator assembly.

[0018] Understandably, the first connecting part is inserted into the receiving area, and the stator core and winding can be connected in an axial limiting connection structure of the stator core.

[0019] In any of the above technical solutions, further, along the radial direction of the motor, the length L1 of the first connection part, the maximum distance L2 from the center of the motor to the outer peripheral wall of the winding, and the minimum distance L3 from the center of the motor to the outer surface of the stator teeth of the stator core satisfy: 0 < L1 < L2 - L3.

[0020] In this technical solution, the length of the first connection part along the radial direction of the motor is denoted as L1, the maximum distance from the center of the motor to the outer peripheral wall of the winding is denoted as L2, and the minimum distance from the center of the motor to the outer surface of the stator teeth of the stator core is denoted as L3. L1, L2, and L3 satisfy: 0 < L1 < L2 - L3. This setting can ensure the effectiveness and reliability of the connection structure and stator assembly.

[0021] If L1≥L2-L3, then interference may easily occur between the end of the first connection and the rotor of the motor, which could lead to a safety accident and make it impossible to guarantee the safety and reliability of the motor.

[0022] In any of the above technical solutions, the first connecting part further includes a first connecting segment and a second connecting segment, the first connecting segment being located between the center of the motor and the second connecting segment; the first connecting member also includes a mating member, the mating member connecting the first connecting segment, and protruding from the outer surface of the second connecting segment along the circumferential direction of the motor; wherein, the mating member is used to limit the slot insulation of the insulating member.

[0023] In this technical solution, the first connecting part includes a first connecting segment and a second connecting segment, wherein the first connecting segment is located between the center of the motor and the second connecting segment. That is, the first connecting segment is closer to the center of the motor than the second connecting segment.

[0024] Furthermore, the mating part of the first connector is connected to the outer surface of the first connecting segment, and along the circumference of the motor, the mating part protrudes beyond the outer surface of the second connecting segment. In other words, a stepped structure is formed between the mating part and the second connecting segment. Thus, during assembly of the connecting structure, the slot insulation of the insulating part can be engaged at the stepped structure to limit the connection structure in the radial direction of the motor, preventing the connection structure from detaching from the stator. This ensures the stability and reliability of the assembly of the connection structure and the stator.

[0025] In any of the above technical solutions, the mating component further includes: a first mating part; a second mating part, and a first connecting section located between the first mating part and the second mating part along the circumferential direction of the motor.

[0026] In this technical solution, the mating component includes a first mating part and a second mating part. The first mating part is connected to a first side of the first connecting segment, and the second mating part is connected to a second side of the first connecting segment. The first side and the second side of the first connecting segment are opposite sides of the connecting segment in the circumferential direction of the motor.

[0027] It is understandable that, along the circumference of the motor, the first mating part protrudes beyond the outer surface of the second connecting section, and the second mating part also protrudes beyond the outer surface of the second connecting section. That is, a stepped structure is formed between the first mating part, the second mating part, and the second connecting section. This arrangement, while ensuring the effectiveness and feasibility of the slot insulation of the limiting insulating component, can reduce the material input of the mating components, thus helping to reduce the production cost of the product.

[0028] Specifically, a portion of the slot insulation is snapped onto the side of the mating component facing the second connecting section.

[0029] In any of the above technical solutions, further, along the circumference of the motor, the width D1 of the second connecting section and the width D2 of the stator teeth of the stator core satisfy: 0 < D1 < D2.

[0030] In this technical solution, the width of the second connecting section along the circumference of the motor is denoted as D1, and the width of the stator teeth of the stator core is denoted as D2. D1 and D2 satisfy: 0 < D1 < D2. Since the mating part protrudes from the outer surface of the second connecting section along the circumference of the motor, by limiting the size of the second connecting section, an effective and reliable structural support is provided for the mating part to effectively limit the slot insulation of the insulating part.

[0031] If D1 is greater than or equal to D2, then the second connecting section is too large in the circumferential direction of the motor, which will affect the circumferential direction of the mating parts, making it impossible for the mating parts to limit the slot insulation of the insulating parts.

[0032] In any of the above technical solutions, the first connector further includes a second connecting part, one of the second connecting part and the stator core is provided with a connecting groove, and the other is provided with a protrusion, the protrusion being able to be inserted into the connecting groove.

[0033] In this technical solution, the first connector includes a second connecting portion. One of the second connecting portion and the stator core is provided with a connecting groove, and the other of the second connecting portion and the stator core is provided with a protrusion. When assembling the connecting structure, the protrusion is inserted into the connecting groove so that the connecting structure is securely and reliably assembled with the stator.

[0034] The connecting groove and the protrusion cooperate to increase the contact area and contact angle between the first connecting member and the stator, which helps to improve the stability and reliability of the connection structure and the stator assembly.

[0035] It is understandable that the connecting groove and the protrusion cooperate to limit the connection structure in the radial and circumferential directions of the motor.

[0036] In any of the above technical solutions, the first connecting member further includes: a side wing, which extends from the main body along the circumference of the motor, the side wing is located on the circumference of the winding, and the side wing is used to fix the binding wire of the winding.

[0037] In this technical solution, the first connector includes a side wing, which is connected to the main body and extends from the main body along the circumference of the motor.

[0038] Since the flanks are located on the periphery of the winding, that is, between the center of the stator core and the main body, the mating structure between the flanks and the main body can serve to radially limit the flanks along the stator core, thereby ensuring the mating dimensions between the connection structure and the winding.

[0039] In addition, the side wings are used to secure the binding wires of the windings, which in turn secure the windings and the stator core. Specifically, when the binding wires are wound, the side wings secure the binding wires, which then fix the windings and the stator core. In other words, after the binding wires are wound, they can tightly assemble the side wings and the windings together, thereby ensuring the fit dimensions between the protection device and the stator and meeting the usage requirements for connecting the lead wires of the protection device and the windings.

[0040] Furthermore, since the side wings extend along the circumference of the motor, the contact area and contact angle between the side wings and the windings are increased, which helps to improve the stability and reliability of the connection structure and stator assembly.

[0041] Specifically, the side wings are insulated.

[0042] In any of the above technical solutions, the side wing is further provided with at least one protruding tooth for fixing the binding wire.

[0043] In this technical solution, the side wing is provided with at least one protruding tooth, which serves to secure the binding wire. It is understood that when the binding wire passes over the side wing, it is engaged with the protruding tooth. And it is precisely because of the function of the protruding tooth that the binding wire can bind the side wing to the stator core and windings together.

[0044] In any of the above technical solutions, when there are multiple protruding teeth, the multiple protruding teeth are arranged at intervals along the circumferential direction of the winding.

[0045] In this technical solution, there are multiple protruding teeth. The distribution positions of the multiple protruding teeth are reasonably set so that the multiple protruding teeth are arranged at intervals along the circumference of the winding. This setting can cooperate with the stator teeth of the stator core to ensure the effectiveness and feasibility of fixing the binding wire with the protruding teeth, while also ensuring the stability of the binding wire fixing the winding and the stator core.

[0046] In any of the above technical solutions, the number of side wings is further multiplied, and the multiple side wings include at least a first side wing and a second side wing; along the circumference of the winding, the main body is located between the first side wing and the second side wing.

[0047] In this technical solution, there are multiple flanks, and the types of multiple flanks are classified. The multiple flanks include at least a first flank and a second flank.

[0048] Along the circumferential direction of the winding, the main body is located between the first side wing and the second side wing. That is, the first side wing is connected to the first side of the main body, and the second side wing is connected to the second side of the main body. The first side and the second side of the main body are respectively arranged.

[0049] This design increases the contact area and contact angle between the side wings and the windings, which helps to improve the stability and reliability of the connection structure and stator assembly.

[0050] In any of the above technical solutions, the side wings are further fitted to the outer peripheral wall of the winding.

[0051] In this technical solution, the cooperation structure between the side wing and the winding is further defined. Specifically, the side wing fits into the outer peripheral wall of the winding, which reduces the cooperation gap between the side wing and the winding, reduces the difficulty of subsequent binding and connecting the structure and the winding, and provides structural support for the effective assembly of the connection structure and the stator.

[0052] In any of the above technical solutions, the second connecting member extends from the end of the main body along the axial direction of the motor.

[0053] This technical solution defines the mating structure between the second connector and the main body. Specifically, the second connector is connected to the end of the main body, and extends from the end of the main body along the axial direction of the motor. The second connector and the protection device are detachably connected.

[0054] In any of the above technical solutions, the peripheral sidewall of the second connector is provided with a snap-fit ​​protrusion, which is used to fix the protective device.

[0055] In this technical solution, by rationally designing the structure of the second connector, a snap-fit ​​protrusion is provided on the peripheral sidewall of the second connector. This allows the protective device to be snapped into the snap-fit ​​protrusion during assembly, thus limiting its axial movement and preventing it from detaching from the connecting structure. This ensures the stability and reliability of the assembly of the connecting structure and the protective device.

[0056] It is understandable that the mounting groove is formed between the snap-fit ​​protrusion, the end of the main body, and the side wall of the second connector, and a part of the protective device is located in the mounting groove.

[0057] Specifically, the snap-fit ​​protrusion has a ring-shaped structure.

[0058] Specifically, there are multiple snap-fit ​​protrusions, which are arranged at intervals along the circumference of the motor.

[0059] Specifically, at least one of the second connector and the protective device is an elastic element.

[0060] A second aspect of the present invention provides an electric motor, comprising: a stator, the stator including windings; a protection device connected to the leads of the windings; and a connection structure as described in any of the technical solutions in the first aspect, wherein a first connector is connected to the stator and a second connector is connected to the protection device.

[0061] The motor provided by the present invention has all the beneficial effects of the above-mentioned connection structure because it includes the connection structure of any of the technical solutions in the first aspect, which will not be described one by one here.

[0062] In the above technical solution, the protective device is further provided with a connection hole, the second connector passes through the connection hole, and a part of the protective device is engaged between the main body and the engaging protrusion of the second connector.

[0063] In this technical solution, the protective device and the second connector are designed with a reasonable structure for cooperation. The protective device is provided with a connection hole, and the second connector is provided with a snap-fit ​​protrusion.

[0064] When assembling the connection structure and protective device, the second connector passes through the connection hole, and a portion of the protective device is engaged between the main body and the engaging protrusion of the second connector. This upper limit protection device is positioned along the axial direction of the motor, preventing the protective device from detaching from the connection structure. This ensures the stability and reliability of the assembly of the connection structure and protective device.

[0065] It is understandable that the mounting groove is formed between the snap-fit ​​protrusion, the end of the main body, and the side wall of the second connector, and a part of the protective device is located in the mounting groove.

[0066] In the above technical solution, the protection device further includes: a conductive body, the conductive body having a conductive part and a wing; an insulating part connected to the outer surface of the conductive body, the conductive part and the wing both extending out of the insulating part, and the wing connecting the conductive part and the lead wire.

[0067] In this technical solution, the protective device includes a conductive body and an insulating part. The insulating part is connected to the outer surface of the conductive body and provides electrical isolation to protect the conductive body.

[0068] Furthermore, both the conductive part and the wing extend beyond the insulating part. The wing is connected to the conductive part and also to the lead wire of the winding. That is, the wing is electrically connected to the lead wire through the conductive part.

[0069] A third aspect of the present invention provides a compressor comprising: an electric motor as described in any of the technical solutions in the second aspect.

[0070] The compressor provided by the present invention includes a motor as described in any of the technical solutions in the second aspect, and therefore has all the beneficial effects of the motors mentioned above, which will not be described in detail here.

[0071] A fourth aspect of the present invention provides a refrigeration device, comprising: a connection structure as described in any of the technical solutions in the first aspect; a motor as described in any of the technical solutions in the second aspect; or a compressor as described in any of the technical solutions in the third aspect.

[0072] Specifically, refrigeration equipment includes air conditioners, refrigerators, freezers, etc., which will not be listed here.

[0073] Additional aspects and advantages of the invention will become apparent in the following description or may be learned by practice of the invention. Attached Figure Description

[0074] The above and / or additional aspects and advantages of the present invention will become apparent and readily understood from the description of the embodiments taken in conjunction with the following drawings, in which:

[0075] Figure 1 An exploded view of a portion of the structure of a motor according to an embodiment of the present invention is shown;

[0076] Figure 2 A first-view structural schematic diagram of the stator core and connection structure according to an embodiment of the present invention is shown;

[0077] Figure 3 A second-view structural schematic diagram of the stator core and connection structure according to an embodiment of the present invention is shown;

[0078] Figure 4 A first-view structural schematic diagram of the connection structure and protection device according to an embodiment of the present invention is shown;

[0079] Figure 5 A second-view structural schematic diagram of the connection structure and protection device according to an embodiment of the present invention is shown;

[0080] Figure 6 A schematic diagram of the connection structure according to an embodiment of the present invention is shown;

[0081] Figure 7 A schematic diagram of the structure of a protection device according to an embodiment of the present invention is shown.

[0082] in, Figures 1 to 7 The correspondence between the reference numerals and component names in the attached drawings is as follows:

[0083] 100 Motor, 110 Stator, 112 Stator Core, 114 Winding, 116 Lead Wire, 120 Protective Device, 122 Connecting Hole, 124 Conductive Body, 126 Conductive Part, 128 Wing, 130 Insulating Part, 140 Connecting Structure, 142 Main Body, 144 First Connector, 146 Second Connector, 148 First Connecting Part, 150 First Connecting Section, 152 Second Connecting Section, 154 Mating Part, 156 First Mating Part, 158 Second Mating Part, 159 Side Wing, 160 First Side Wing, 162 Second Side Wing, 164 Protrusion, 166 Snap-fit ​​Protrusion. Detailed Implementation

[0084] To better understand the above-mentioned objectives, features, and advantages of the present invention, the present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments. It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0085] Many specific details are set forth in the following description in order to provide a full understanding of the invention. However, the invention may also be practiced in other ways different from those described herein, and therefore the scope of protection of the invention is not limited to the specific embodiments disclosed below.

[0086] The following reference Figures 1 to 7 The connection structure 140, motor 100, compressor and refrigeration equipment are described according to some embodiments of the present invention.

[0087] Example 1:

[0088] like Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 and Figure 7 As shown, an embodiment of the first aspect of the present invention provides a connection structure 140 for a motor 100. The motor 100 includes a stator 110 and a protection device 120. The stator 110 includes a stator core 112, a winding 114 and an insulating component. The protection device 120 is connected to the lead wire 116 of the winding 114. The connection structure 140 includes a main body 142, a first connector 144 and a second connector 146.

[0089] The main body 142 is located around the winding 114.

[0090] The first connector 144 is provided on the main body 142 and is used to connect the stator 110.

[0091] The second connector 146 is provided on the main body 142 and is used to connect the protection device 120.

[0092] In detail, the connection structure 140 includes a main body 142, a first connector 144 and a second connector 146, wherein the first connector 144 and the second connector 146 are both disposed on the main body 142, that is, the main body 142 has the function of supporting and fixing the first connector 144 and the second connector 146.

[0093] Specifically, the first connector 144 is used to connect the stator 110, and the second connector 146 is used to connect the protection device 120. That is, the stator 110 and the protection device 120 are assembled together via the connecting structure 140. Because the first connector 144 connects to the stator 110, the mating dimensions between the connecting structure 140 and the stator 110 are guaranteed. Because the second connector 146 connects to the protection device 120, the mating dimensions between the protection device 120 and the stator 110 are guaranteed.

[0094] Specifically, when assembling the motor 100, the connecting structure 140 is first assembled with the stator 110, and then the protection device 120 is assembled with the connecting structure 140.

[0095] This setup ensures the effectiveness and reliability of the connection between the lead wire 116 of the winding 114 and the protection device 120, while simplifying the assembly process of the protection device 120 and the stator 110, reducing the input of human resources, and lowering the probability of damage to the protection device 120 during assembly. This is beneficial for reducing the production cost of the motor 100 and improving the product yield.

[0096] It is understood that the main body 142 is located around the winding 114, that is, the winding 114 is located between the center of the stator core 112 and the main body 142. The mating structure of the winding 114 and the main body 142 can limit the main body 142 radially along the stator core 112 to ensure the mating dimensions of the connection structure 140 and the winding 114.

[0097] It is understandable that the protection device 120 is electrically connected to the lead wire 116 of the winding 114. The protection device 120 can trip and stop in time when the motor 100 is running abnormally, thus protecting the motor 100 and improving the safety and reliability of the motor 100.

[0098] Example 2:

[0099] like Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 and Figure 7 As shown, based on Embodiment 1, Embodiment 2 provides a connection structure 140 for a motor 100. The motor 100 includes a stator 110 and a protection device 120. The stator 110 includes a stator core 112, a winding 114 and an insulating component. The protection device 120 is connected to the lead wire 116 of the winding 114. The connection structure 140 includes a main body 142, a first connector 144 and a second connector 146.

[0100] The main body 142 is located around the winding 114.

[0101] The first connector 144 is provided on the main body 142 and is used to connect the stator 110.

[0102] The second connector 146 is provided on the main body 142 and is used to connect the protection device 120.

[0103] Furthermore, such as Figure 2 , Figure 5and Figure 6 As shown, the first connector 144 includes a first connecting portion 148.

[0104] A receiving area is formed between the end of the stator core 112 and the winding 114, and the first connecting part 148 can be inserted into the receiving area.

[0105] In detail, the first connector 144 includes a first connecting portion 148, and a receiving area is formed between the end of the stator core 112 and the winding 114. By reasonably setting the mating structure between the first connector 144 and the stator 110, the first connecting portion 148 of the first connector 144 is inserted into the receiving area. This arrangement helps to increase the contact area and contact angle between the first connector 144 and the stator 110, and helps to improve the stability and reliability of the assembly between the connecting structure 140 and the stator 110.

[0106] Understandably, the first connecting part 148 is inserted into the receiving area, and the stator core 112 and the winding 114 can be axially limited by the connecting structure 140 of the stator core 112.

[0107] Example 3:

[0108] like Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 and Figure 7 As shown, based on Embodiment 2, Embodiment 3 provides a connection structure 140 for a motor 100. The motor 100 includes a stator 110 and a protection device 120. The stator 110 includes a stator core 112, a winding 114 and an insulating component. The protection device 120 is connected to the lead wire 116 of the winding 114. The connection structure 140 includes a main body 142, a first connector 144 and a second connector 146.

[0109] The main body 142 is located around the winding 114.

[0110] The first connector 144 is provided on the main body 142 and is used to connect the stator 110.

[0111] The second connector 146 is provided on the main body 142 and is used to connect the protection device 120.

[0112] The first connector 144 includes a first connecting portion 148.

[0113] A receiving area is formed between the end of the stator core 112 and the winding 114, and the first connecting part 148 can be inserted into the receiving area.

[0114] Furthermore, such as Figure 3and Figure 5 As shown, along the radial direction of the motor 100, the length L1 of the first connecting part 148, the maximum distance L2 from the center of the motor 100 to the outer peripheral wall of the winding 114, and the minimum distance L3 from the center of the motor 100 to the outer surface of the stator 110 tooth of the stator core 112 satisfy: 0 < L1 < L2 - L3.

[0115] In detail, along the radial direction of the motor 100, the length of the first connecting portion 148 is denoted as L1, the maximum distance from the center of the motor 100 to the outer peripheral wall of the winding 114 is denoted as L2, and the minimum distance from the center of the motor 100 to the outer surface of the stator 110 teeth of the stator core 112 is denoted as L3. L1, L2, and L3 satisfy: 0 < L1 < L2 - L3. This arrangement ensures the effectiveness and reliability of the assembly between the connecting structure 140 and the stator 110.

[0116] If L1≥L2-L3, then the end of the first connecting part 148 may interfere with the rotor of the motor 100, which may cause a safety accident and make it impossible to guarantee the safety and reliability of the motor 100.

[0117] Example 4:

[0118] like Figure 1 , Figure 2 , Figure 4 , Figure 5 , Figure 6 and Figure 7 As shown, based on Embodiment 2, Embodiment 4 provides a connection structure 140 for a motor 100. The motor 100 includes a stator 110 and a protection device 120. The stator 110 includes a stator core 112, a winding 114 and an insulating component. The protection device 120 is connected to the lead wire 116 of the winding 114. The connection structure 140 includes a main body 142, a first connector 144 and a second connector 146.

[0119] The main body 142 is located around the winding 114.

[0120] The first connector 144 is provided on the main body 142 and is used to connect the stator 110.

[0121] The second connector 146 is provided on the main body 142 and is used to connect the protection device 120.

[0122] The first connector 144 includes a first connecting portion 148.

[0123] A receiving area is formed between the end of the stator core 112 and the winding 114, and the first connecting part 148 can be inserted into the receiving area.

[0124] Furthermore, such as Figure 4As shown, the first connecting part 148 includes a first connecting segment 150 and a second connecting segment 152.

[0125] The first connecting section 150 is located between the center of the motor 100 and the second connecting section 152.

[0126] The first connector 144 also includes a mating part 154, which connects to the first connecting segment 150.

[0127] Along the circumference of the motor 100, the mating part 154 protrudes from the outer surface of the second connecting section 152.

[0128] Among them, the mating part 154 is used for the groove insulation of the limiting insulation part.

[0129] In detail, the first connecting portion 148 includes a first connecting segment 150 and a second connecting segment 152, wherein the first connecting segment 150 is located between the center of the motor 100 and the second connecting segment 152. That is, the first connecting segment 150 is closer to the center of the motor 100 than the second connecting segment 152.

[0130] Furthermore, the mating part 154 of the first connecting member 144 is connected to the outer surface of the first connecting section 150, and along the circumference of the motor 100, the mating part 154 protrudes from the outer surface of the second connecting section 152. That is, a stepped structure is formed between the mating part 154 and the second connecting section 152. Thus, when assembling the connecting structure 140, the slot insulation of the insulating member can be engaged at the stepped structure to limit the connection structure 140 in the radial direction of the motor 100, preventing the connection structure 140 from detaching from the stator 110. This ensures the stability and reliability of the assembly of the connection structure 140 and the stator 110.

[0131] Furthermore, such as Figure 6 As shown, the mating part 154 includes a first mating part 156 and a second mating part 158.

[0132] Along the circumference of the motor 100, the first connecting section 150 is located between the first mating part 156 and the second mating part 158.

[0133] The mating component 154 includes a first mating part 156 and a second mating part 158. The first mating part 156 is connected to a first side of the first connecting section 150, and the second mating part 158 ​​is connected to a second side of the first connecting section 150. The first side and the second side of the first connecting section 150 are opposite sides of the connecting section in the circumferential direction of the motor 100.

[0134] It is understood that, along the circumference of the motor 100, the first mating part 156 protrudes from the outer surface of the second connecting section 152, and the second mating part 158 ​​protrudes from the outer surface of the second connecting section 152. That is, a stepped structure is formed between the first mating part 156, the second mating part 158, and the second connecting section 152. This arrangement, while ensuring the effectiveness and feasibility of the slot insulation of the limiting insulating member, can reduce the material input of the mating part 154, thus helping to reduce the production cost of the product.

[0135] Specifically, a portion of the slot insulation is snapped onto the side of the mating member 154 facing the second connecting section 152.

[0136] Furthermore, such as Figure 3 and Figure 5 As shown, along the circumference of the motor 100, the width D1 of the second connecting section 152 and the width D2 of the stator teeth of the stator core 112 satisfy: 0 < D1 < D2.

[0137] In this design, the width of the second connecting section 152 along the circumference of the motor 100 is denoted as D1, and the width of the stator 110 teeth of the stator core 112 is denoted as D2. D1 and D2 satisfy: 0 < D1 < D2. Since the mating part 154 protrudes from the outer surface of the second connecting section 152 along the circumference of the motor 100, by limiting the size of the second connecting section 152, an effective and reliable structural support is provided for the mating part 154 to effectively limit the slot insulation of the insulating part.

[0138] If D1 is greater than or equal to D2, then the second connecting segment 152 is too large in the circumferential direction of the motor 100, which will affect the circumferential direction of the mating part 154 of the motor 100, making it impossible for the mating part 154 to limit the slot insulation of the insulating part.

[0139] Example 5:

[0140] like Figure 1 , Figure 2 , Figure 4 , Figure 5 , Figure 6 and Figure 7 As shown, based on Embodiment 1, Embodiment 5 provides a connection structure 140 for a motor 100. The motor 100 includes a stator 110 and a protection device 120. The stator 110 includes a stator core 112, a winding 114 and an insulating component. The protection device 120 is connected to the lead wire 116 of the winding 114. The connection structure 140 includes a main body 142, a first connector 144 and a second connector 146.

[0141] The main body 142 is located around the winding 114.

[0142] The first connector 144 is provided on the main body 142 and is used to connect the stator 110.

[0143] The second connector 146 is provided on the main body 142 and is used to connect the protection device 120.

[0144] Furthermore, the first connector 144 includes a second connector portion.

[0145] One of the second connecting part and the stator core 112 is provided with a connecting groove, and the other is provided with a protrusion, which can be inserted into the connecting groove.

[0146] In detail, the first connector 144 includes a second connector portion, one of the second connector portion and the stator core 112 having a connecting groove, and the other of the second connector portion and the stator core 112 having a protrusion. When assembling the connecting structure 140, the protrusion is inserted into the connecting groove so that the connecting structure 140 and the stator 110 are securely and reliably assembled together.

[0147] The connecting groove and the protrusion cooperate to increase the contact area and contact angle between the first connecting member 144 and the stator 110, which is beneficial to improving the stability and reliability of the assembly of the connecting structure 140 and the stator 110.

[0148] It is understandable that the connecting groove and the protrusion cooperate to limit the connecting structure 140 in the radial and circumferential directions of the motor 100.

[0149] Example 6:

[0150] like Figure 1 , Figure 2 , Figure 4 , Figure 5 , Figure 6 and Figure 7 As shown, based on Embodiment 1, Embodiment 6 provides a connection structure 140 for a motor 100. The motor 100 includes a stator 110 and a protection device 120. The stator 110 includes a stator core 112, a winding 114 and an insulating component. The protection device 120 is connected to the lead wire 116 of the winding 114. The connection structure 140 includes a main body 142, a first connector 144 and a second connector 146.

[0151] The main body 142 is located around the winding 114.

[0152] The first connector 144 is provided on the main body 142 and is used to connect the stator 110.

[0153] The second connector 146 is provided on the main body 142 and is used to connect the protection device 120.

[0154] Furthermore, such as Figure 2 As shown, the first connector 144 includes a side wing 159.

[0155] Side wing 159 extends from the main body 142 along the circumference of the motor 100. Side wing 159 is located on the circumference of the winding 114 and is used to fix the binding wire of the winding 114.

[0156] In detail, the first connector 144 includes a side wing 159, which is connected to the main body 142 and extends from the main body 142 along the circumference of the motor 100.

[0157] Since the side wing 159 is located on the periphery of the winding 114, that is, the side wing 159 is located between the center of the stator core 112 and the main body 142, the mating structure of the side wing 159 and the main body 142 can play the role of radially limiting the side wing 159 along the stator core 112, so as to ensure the mating dimensions of the connection structure 140 and the winding 114.

[0158] Additionally, the side wing 159 is used to secure the binding wire of the winding 114, which serves to secure the winding 114 and the stator core 112. Specifically, when the binding wire is wound, the side wing 159 secures the binding wire, which then secures the winding 114 and the stator core 112. In other words, after the binding wire is wound, it can tightly assemble the side wing 159 and the winding 114 together, thereby ensuring the fit dimensions between the protection device 120 and the stator 110 and meeting the usage requirements for connecting the protection device 120 to the lead wire 116 of the winding 114.

[0159] In addition, since the side wing 159 extends along the circumference of the motor 100, the contact area and contact angle between the side wing 159 and the winding 114 are increased, which is beneficial to improving the stability and reliability of the assembly of the connection structure 140 and the stator 110.

[0160] Example 7:

[0161] like Figure 1 , Figure 2 , Figure 4 , Figure 5 , Figure 6 and Figure 7 As shown, based on Embodiment 1, Embodiment 7 provides a connection structure 140 for a motor 100. The motor 100 includes a stator 110 and a protection device 120. The stator 110 includes a stator core 112, a winding 114 and an insulating component. The protection device 120 is connected to the lead wire 116 of the winding 114. The connection structure 140 includes a main body 142, a first connector 144 and a second connector 146.

[0162] The main body 142 is located around the winding 114.

[0163] The first connector 144 is provided on the main body 142 and is used to connect the stator 110.

[0164] The second connector 146 is provided on the main body 142 and is used to connect the protection device 120.

[0165] The first connector 144 includes a first connector 148; a receiving area is formed between the end of the stator core 112 and the winding 114, and the first connector 148 can be inserted into the receiving area.

[0166] Furthermore, such as Figure 2 As shown, the first connector 144 includes a side wing 159.

[0167] Side wing 159 extends from the main body 142 along the circumference of the motor 100. Side wing 159 is located on the circumference of the winding 114 and is used to fix the binding wire of the winding 114.

[0168] In detail, the first connector 144 includes a first connecting portion 148 and a side wing 159. When assembling the connecting structure 140, the first connecting portion 148 is inserted into the receiving area between the end of the stator core 112 and the winding 114. The first connecting portion 148 serves to pre-fix the connecting structure 140 and the stator 110, and then, a binding wire is wound so that the binding wire passes through the side wing 159 to securely fix the connecting structure 140 and the stator 110 together.

[0169] Example 8:

[0170] like Figure 1 , Figure 2 , Figure 4 , Figure 5 , Figure 6 and Figure 7 As shown, based on Embodiment 1, Embodiment 8 provides a connection structure 140 for a motor 100. The motor 100 includes a stator 110 and a protection device 120. The stator 110 includes a stator core 112, a winding 114 and an insulating component. The protection device 120 is connected to the lead wire 116 of the winding 114. The connection structure 140 includes a main body 142, a first connector 144 and a second connector 146.

[0171] The main body 142 is located around the winding 114.

[0172] The first connector 144 is provided on the main body 142 and is used to connect the stator 110.

[0173] The second connector 146 is provided on the main body 142 and is used to connect the protection device 120.

[0174] Furthermore, the first connector 144 includes a second connector, one of the second connector and the stator core 112 is provided with a connector groove, and the other is provided with a protrusion, which can be inserted into the connector groove.

[0175] Furthermore, the first connector 144 includes a side wing 159.

[0176] Side wing 159 extends from the main body 142 along the circumference of the motor 100. Side wing 159 is located on the circumference of the winding 114 and is used to fix the binding wire of the winding 114.

[0177] In detail, the first connector 144 includes a second connector portion and a side wing 159. The second connector portion has a protrusion, and the stator core 112 has a connecting groove. When assembling the connecting structure 140, the protrusion of the second connector portion is inserted into the connecting groove of the stator core 112. The second connector portion serves to pre-fix the connecting structure 140 and the stator 110. Then, a binding wire is wound so that the binding wire passes through the side wing 159 to securely fix the connecting structure 140 and the stator 110 together.

[0178] Example 9:

[0179] like Figure 1 , Figure 2 , Figure 4 , Figure 5 , Figure 6 and Figure 7 As shown, based on any of the embodiments in Embodiments 6 to 8, Embodiment 9 provides a connection structure 140 for a motor 100. The motor 100 includes a stator 110 and a protection device 120. The stator 110 includes a stator core 112, a winding 114 and an insulating component. The protection device 120 is connected to the lead wire 116 of the winding 114. The connection structure 140 includes a main body 142, a first connector 144 and a second connector 146.

[0180] The main body 142 is located around the winding 114.

[0181] The first connector 144 is provided on the main body 142 and is used to connect the stator 110.

[0182] The second connector 146 is provided on the main body 142 and is used to connect the protection device 120.

[0183] The first connector 144 includes a side wing 159.

[0184] Side wing 159 extends from the main body 142 along the circumference of the motor 100. Side wing 159 is located on the circumference of the winding 114 and is used to fix the binding wire of the winding 114.

[0185] Furthermore, such as Figure 4 , Figure 5 and Figure 6 As shown, the side wing 159 is provided with at least one protruding tooth 164, which is used to fix the binding wire.

[0186] In detail, the side wing 159 is provided with at least one protruding tooth 164, which serves to secure the binding wire. It is understood that when the binding wire passes over the side wing 159, it is engaged with the protruding tooth 164. And it is precisely because of the function of the protruding tooth 164 that the binding wire can bind the side wing 159 to the stator core 112 and the winding 114 together.

[0187] Specifically, the side wing 159 is provided with a tooth 164 on the side away from the center of the motor 100, and / or the side wing 159 is provided with a tooth 164 on the side facing the first connecting part 148.

[0188] Furthermore, when there are multiple protrusions 164, the multiple protrusions 164 are arranged at intervals along the circumferential direction of the winding 114.

[0189] The number of protruding teeth 164 is multiple. The distribution positions of the multiple protruding teeth 164 are reasonably set so that the multiple protruding teeth 164 are arranged at intervals along the circumference of the winding 114. This arrangement can cooperate with the stator 110 teeth of the stator core 112 to ensure the effectiveness and feasibility of fixing the binding wire with the protruding teeth 164, while also ensuring the stability of the binding wire fixing the winding 114 and the stator core 112.

[0190] Example 10:

[0191] like Figure 1 , Figure 2 , Figure 4 , Figure 5 , Figure 6 and Figure 7 As shown, based on any of the embodiments in Embodiments 6 to 8, Embodiment 10 provides a connection structure 140 for a motor 100. The motor 100 includes a stator 110 and a protection device 120. The stator 110 includes a stator core 112, a winding 114 and an insulating component. The protection device 120 is connected to the lead wire 116 of the winding 114. The connection structure 140 includes a main body 142, a first connector 144 and a second connector 146.

[0192] The main body 142 is located around the winding 114.

[0193] The first connector 144 is provided on the main body 142 and is used to connect the stator 110.

[0194] The second connector 146 is provided on the main body 142 and is used to connect the protection device 120.

[0195] The first connector 144 includes a side wing 159.

[0196] Side wing 159 extends from the main body 142 along the circumference of the motor 100. Side wing 159 is located on the circumference of the winding 114 and is used to fix the binding wire of the winding 114.

[0197] Furthermore, such as Figure 4 , Figure 5 and Figure 6 As shown, there are multiple flanks 159, and the multiple flanks 159 include at least a first flank 160 and a second flank 162.

[0198] Along the circumference of the winding 114, the main body 142 is located between the first side wing 160 and the second side wing 162.

[0199] In detail, there are multiple flanks 159, and the types of multiple flanks 159 are classified. The multiple flanks 159 include at least a first flank 160 and a second flank 162.

[0200] Along the circumference of the winding 114, the main body 142 is located between the first side wing 160 and the second side wing 162. That is, the first side wing 160 is connected to the first side of the main body 142, and the second side wing 162 is connected to the second side of the main body 142. The first side and the second side of the main body 142 are respectively provided.

[0201] This design increases the contact area and contact angle between the side wing 159 and the winding 114, which helps to improve the stability and reliability of the assembly between the connection structure 140 and the stator 110.

[0202] Furthermore, the side wing 159 is attached to the outer peripheral wall of the winding 114.

[0203] The design further defines the fit between the side wing 159 and the winding 114. Specifically, the side wing 159 fits snugly against the outer peripheral wall of the winding 114, reducing the fit gap between the side wing 159 and the winding 114. This reduces the difficulty of subsequent binding and connecting the structure 140 and the winding 114 with ropes, and provides structural support for the effective assembly of the connection structure 140 and the stator 110.

[0204] Example 11:

[0205] like Figure 1 , Figure 2 , Figure 4 , Figure 5 , Figure 6 and Figure 7As shown, based on Embodiment 1, Embodiment 11 provides a connection structure 140 for a motor 100. The motor 100 includes a stator 110 and a protection device 120. The stator 110 includes a stator core 112, a winding 114 and an insulating component. The protection device 120 is connected to the lead wire 116 of the winding 114. The connection structure 140 includes a main body 142, a first connector 144 and a second connector 146.

[0206] The main body 142 is located around the winding 114.

[0207] The first connector 144 is provided on the main body 142 and is used to connect the stator 110.

[0208] The second connector 146 is provided on the main body 142 and is used to connect the protection device 120.

[0209] Furthermore, such as Figure 6 As shown, the second connector 146 extends from the end of the main body 142 along the axial direction of the motor 100.

[0210] In detail, the mating structure between the second connector 146 and the main body 142 is defined. Specifically, the second connector 146 is connected to the end of the main body 142, and the second connector 146 extends from the end of the main body 142 along the axial direction of the motor 100. The second connector 146 is detachably connected to the protection device 120.

[0211] Furthermore, such as Figure 6 As shown, the peripheral sidewall of the second connector 146 is provided with a snap-fit ​​protrusion 166, which is used to fix the protective device 120.

[0212] By rationally designing the structure of the second connector 146, a snap-fit ​​protrusion 166 is provided on the peripheral sidewall of the second connector 146. In this way, when the protective device 120 is assembled, the protective device 120 can be snapped into the snap-fit ​​protrusion 166, thereby limiting the axial movement of the protective device 120 in the motor 100 and preventing it from detaching from the connecting structure 140. This ensures the stability and reliability of the assembly between the connecting structure 140 and the protective device 120.

[0213] It is understood that the mounting groove is formed between the snap-fit ​​protrusion 166, the end of the main body 142, and the side wall of the second connector 146, and a part of the protective device 120 is located in the mounting groove.

[0214] Specifically, the snap-fit ​​protrusion 166 has a ring structure.

[0215] Specifically, there are multiple snap-fit ​​protrusions 166, which are arranged at intervals along the circumference of the motor 100.

[0216] Specifically, at least one of the second connector 146 and the protective device 120 is an elastic element.

[0217] Example 12:

[0218] like Figure 1 and Figure 2 As shown, an embodiment of the second aspect of the present invention provides a motor 100, which includes a stator 110, a protection device 120, and a connection structure 140 according to any embodiment of the first aspect.

[0219] The stator 110 includes a winding 114, and the protection device 120 is connected to the lead wire 116 of the winding 114.

[0220] The first connector 144 connects to the stator 110, and the second connector 146 connects to the protection device 120.

[0221] The connecting structure 140 includes a main body 142, a first connector 144, and a second connector 146. The first connector 144 and the second connector 146 are both located in the main body 142. That is, the main body 142 has the function of supporting and fixing the first connector 144 and the second connector 146.

[0222] Specifically, the first connector 144 is used to connect the stator 110, and the second connector 146 is used to connect the protection device 120. That is, the stator 110 and the protection device 120 are assembled together via the connecting structure 140. Because the first connector 144 connects to the stator 110, the mating dimensions between the connecting structure 140 and the stator 110 are guaranteed. Because the second connector 146 connects to the protection device 120, the mating dimensions between the protection device 120 and the stator 110 are guaranteed.

[0223] Specifically, when assembling the motor 100, the connecting structure 140 is first assembled with the stator 110, and then the protection device 120 is assembled with the connecting structure 140.

[0224] This setup ensures the effectiveness and reliability of the connection between the lead wire 116 of the winding 114 and the protection device 120, while simplifying the assembly process of the protection device 120 and the stator 110, reducing the input of human resources, and lowering the probability of damage to the protection device 120 during assembly. This is beneficial for reducing the production cost of the motor 100 and improving the product yield.

[0225] It is understood that the main body 142 is located around the winding 114, that is, the winding 114 is located between the center of the stator core 112 and the main body 142. The mating structure of the winding 114 and the main body 142 can limit the main body 142 radially along the stator core 112 to ensure the mating dimensions of the connection structure 140 and the winding 114.

[0226] It is understandable that the protection device 120 is electrically connected to the lead wire 116 of the winding 114. The protection device 120 can trip and stop in time when the motor 100 is running abnormally, thus protecting the motor 100 and improving the safety and reliability of the motor 100.

[0227] like Figure 7 As shown, the protection device 120 is provided with a connection hole 122.

[0228] The second connector 146 passes through the connector hole 122, and a portion of the protective device 120 is engaged between the main body 142 and the engaging protrusion 166 of the second connector 146.

[0229] The protective device 120 and the second connector 146 are designed with a reasonable structure for cooperation. The protective device 120 is provided with a connection hole 122, and the second connector 146 is provided with a snap-fit ​​protrusion 166.

[0230] When assembling the connecting structure 140 and the protective device 120, the second connecting member 146 passes through the connecting hole 122, and a portion of the protective device 120 is engaged between the main body 142 and the engaging protrusion 166 of the second connecting member 146. This effectively limits the protective device 120 in the axial direction of the motor 100, preventing it from detaching from the connecting structure 140. This ensures the stability and reliability of the assembly of the connecting structure 140 and the protective device 120.

[0231] It is understood that the mounting groove is formed between the snap-fit ​​protrusion 166, the end of the main body 142, and the side wall of the second connector 146, and a part of the protective device 120 is located in the mounting groove.

[0232] Furthermore, such as Figure 4 , Figure 5 and Figure 7 As shown, the protection device 120 includes a conductive body 124 and an insulating part 130.

[0233] The conductive body 124 is provided with a conductive part 126 and a wing 128.

[0234] The insulating part 130 is connected to the outer surface of the conductive body 124.

[0235] Both the conductive part 126 and the wing 128 extend out of the insulating part 130, and the wing 128 connects the conductive part 126 and the lead wire 116.

[0236] In detail, the protective device 120 includes a conductive body 124 and an insulating part 130. The insulating part 130 is connected to the outer surface of the conductive body 124 and has the function of electrical isolation to protect the conductive body 124.

[0237] Furthermore, both the conductive portion 126 and the wing 128 extend beyond the insulating portion 130. The wing 128 is connected to the conductive portion 126 and also to the lead wire 116 of the winding 114. That is, the wing 128 is electrically connected to the lead wire 116 through the conductive portion 126.

[0238] Example 13:

[0239] An embodiment of the third aspect of the present invention provides a compressor comprising: a motor 100 as described in any embodiment of the second aspect.

[0240] Specifically, the compressor includes a motor 100. The motor 100 includes a connection structure 140.

[0241] The connecting structure 140 includes a main body 142, a first connector 144, and a second connector 146. The first connector 144 and the second connector 146 are both located in the main body 142. That is, the main body 142 has the function of supporting and fixing the first connector 144 and the second connector 146.

[0242] Specifically, the first connector 144 is used to connect the stator 110, and the second connector 146 is used to connect the protection device 120. That is, the stator 110 and the protection device 120 are assembled together via the connecting structure 140. Because the first connector 144 connects to the stator 110, the mating dimensions between the connecting structure 140 and the stator 110 are guaranteed. Because the second connector 146 connects to the protection device 120, the mating dimensions between the protection device 120 and the stator 110 are guaranteed.

[0243] Specifically, when assembling the motor 100, the connecting structure 140 is first assembled with the stator 110, and then the protection device 120 is assembled with the connecting structure 140.

[0244] This setup ensures the effectiveness and reliability of the connection between the lead wire 116 of the winding 114 and the protection device 120, while simplifying the assembly process of the protection device 120 and the stator 110, reducing the input of human resources, and lowering the probability of damage to the protection device 120 during assembly. This is beneficial for reducing the production cost of the motor 100 and improving the product yield.

[0245] It is understood that the main body 142 is located around the winding 114, that is, the winding 114 is located between the center of the stator core 112 and the main body 142. The mating structure of the winding 114 and the main body 142 can limit the main body 142 radially along the stator core 112 to ensure the mating dimensions of the connection structure 140 and the winding 114.

[0246] It is understandable that the protection device 120 is electrically connected to the lead wire 116 of the winding 114. The protection device 120 can trip and stop in time when the motor 100 is running abnormally, thus protecting the motor 100 and improving the safety and reliability of the motor 100.

[0247] Example 14:

[0248] An embodiment of the fourth aspect of the present invention provides a refrigeration device, comprising: a connection structure 140 as in any embodiment of the first aspect; or a motor 100 as in any embodiment of the second aspect; or a compressor as in the third aspect.

[0249] The refrigeration equipment includes one of the following: a connection structure 140, a motor 100, and a compressor.

[0250] The connecting structure 140 includes a main body 142, a first connector 144, and a second connector 146. The first connector 144 and the second connector 146 are both located in the main body 142. That is, the main body 142 has the function of supporting and fixing the first connector 144 and the second connector 146.

[0251] Specifically, the first connector 144 is used to connect the stator 110, and the second connector 146 is used to connect the protection device 120. That is, the stator 110 and the protection device 120 are assembled together via the connecting structure 140. Because the first connector 144 connects to the stator 110, the mating dimensions between the connecting structure 140 and the stator 110 are guaranteed. Because the second connector 146 connects to the protection device 120, the mating dimensions between the protection device 120 and the stator 110 are guaranteed.

[0252] Specifically, when assembling the motor 100, the connecting structure 140 is first assembled with the stator 110, and then the protection device 120 is assembled with the connecting structure 140.

[0253] This setup ensures the effectiveness and reliability of the connection between the lead wire 116 of the winding 114 and the protection device 120, while simplifying the assembly process of the protection device 120 and the stator 110, reducing the input of human resources, and lowering the probability of damage to the protection device 120 during assembly. This is beneficial for reducing the production cost of the motor 100 and improving the product yield.

[0254] It is understood that the main body 142 is located around the winding 114, that is, the winding 114 is located between the center of the stator core 112 and the main body 142. The mating structure of the winding 114 and the main body 142 can limit the main body 142 radially along the stator core 112 to ensure the mating dimensions of the connection structure 140 and the winding 114.

[0255] It is understandable that the protection device 120 is electrically connected to the lead wire 116 of the winding 114. The protection device 120 can trip and stop in time when the motor 100 is running abnormally, thus protecting the motor 100 and improving the safety and reliability of the motor 100.

[0256] Example 15:

[0257] The connection structure 140 includes a first connector 144 and a second connector 146. The first connector 144 includes a first connecting portion 148 and a side wing 159. The side wing 159 is used to bind the wire and the first connecting portion 148 is inserted between the end of the stator core 112 and the winding 114 to fix it to the winding 114 of the motor 100.

[0258] The distance from the side of the wing 159 facing the center of the motor 100 to the center of the motor 100 is equal to the distance from the center of the motor 100 to the outer peripheral wall of the winding 114.

[0259] The side wing 159 is provided with protruding teeth 164, the number of which is greater than or equal to 1 and less than or equal to 3.

[0260] Along the radial direction of the motor 100, the length L1 of the first connecting part 148, the maximum distance L2 from the center of the motor 100 to the outer peripheral wall of the winding 114, and the minimum distance L3 from the center of the motor 100 to the outer surface of the stator 110 tooth of the stator core 112 satisfy: 0 < L1 < L2 - L3.

[0261] The first connecting part 148 includes a first connecting segment 150 and a second connecting segment 152, wherein the first connecting segment 150 is located between the center of the motor 100 and the second connecting segment 152.

[0262] Along the circumference of the motor 100, the width D1 of the second connecting section 152 and the width D2 of the stator teeth of the stator core 112 satisfy: 0 < D1 < D2.

[0263] The first connector 144 also includes a mating member 154, which connects to the first connecting segment 150. Along the circumference of the motor 100, the mating member 154 protrudes from the outer surface of the second connecting segment 152 and is used to limit the slot insulation of the insulating member.

[0264] The peripheral sidewall of the second connector 146 is provided with a snap-fit ​​protrusion 166. The snap-fit ​​protrusion 166 is used to fix the protective device 120.

[0265] The protective device 120 is provided with a connection hole 122, the second connector 146 passes through the connection hole 122, and a part of the protective device 120 is engaged between the main body 142 and the engaging protrusion 166 of the second connector 146.

[0266] The size of the connecting hole 122 is adapted to the size of the portion of the second connector 146 located between the ends of the main body 142 and the snap-fit ​​protrusion 166.

[0267] The protection device 120 includes a wing 128, which is connected to the lead wire 116 of the winding 114.

[0268] The protective device 120 includes an insulating part 130 and a conductive body 124. The insulating part 130 includes a plastic shell, and the conductive body 124 includes a metal shell. The insulating part 130 provides electrical isolation to protect the conductive body 124 of the device 120.

[0269] The protective device 120 also includes a conductive part 126, which includes a cylindrical metal rod. The cylindrical metal rod is welded to the wing 128 through a round hole on the housing, so that the electrical part of the protective device 120 is fixed on the housing.

[0270] Specifically, the shell is a PBT (polybutylene terephthalate) shell.

[0271] In this invention, the term "multiple" refers to two or more unless otherwise explicitly defined. The terms "install," "connect," "link," and "fix" should be interpreted broadly. For example, "connect" can be a fixed connection, a detachable connection, or an integral connection; "link" can be a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in this invention according to the specific circumstances.

[0272] In the description of this specification, the terms "one embodiment," "some embodiments," "specific embodiment," etc., refer to a specific feature, structure, material, or characteristic described in connection with that embodiment or example, which is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0273] The above description is merely a preferred embodiment of the present invention and is not intended to limit the invention. Various modifications and variations can be made to the present invention by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the scope of protection of the present invention.

Claims

1. A connection structure for a motor, characterized in that, The motor includes a stator and a protection device. The stator includes a stator core, windings, and insulation components. The protection device is connected to the leads of the windings. The connection structure includes: The main body is located on the periphery of the winding; A first connector is provided on the main body portion, and the first connector is used to connect the stator; A second connector is provided on the main body, and the second connector is used to connect the protective device. The first connector includes a first connecting portion; A receiving area is formed between the end of the stator core and the winding, the first connecting part can be inserted into the receiving area, and the stator core and the winding can limit the connecting structure in the axial direction of the stator core.

2. The connection structure according to claim 1, characterized in that, Along the radial direction of the motor, the length L1 of the first connecting part, the maximum distance L2 from the center of the motor to the outer peripheral wall of the winding, and the minimum distance L3 from the center of the motor to the outer surface of the stator teeth of the stator core satisfy: 0 < L1 < L2 - L3.

3. The connection structure according to claim 1, characterized in that, The first connecting part includes a first connecting segment and a second connecting segment, wherein the first connecting segment is located between the center of the motor and the second connecting segment; The first connector further includes a mating member, which connects to the first connecting segment and protrudes from the outer surface of the second connecting segment along the circumferential direction of the motor. The mating component is used to limit the slot insulation of the insulating component.

4. The connection structure according to claim 3, characterized in that, The mating component includes: First Coordination Department; The second mating part is located along the circumference of the motor, and the first connecting section is located between the first mating part and the second mating part.

5. The connection structure according to claim 3, characterized in that, Along the circumference of the motor, the width D1 of the second connecting section and the width D2 of the stator teeth of the stator core satisfy: 0 < D1 < D2.

6. The connection structure according to claim 1, characterized in that, The first connector includes a second connecting part, one of the second connecting part and the stator core is provided with a connecting groove, and the other is provided with a protrusion, the protrusion being able to be inserted into the connecting groove.

7. The connection structure according to claim 1, characterized in that, The first connector includes: Side wings, which extend from the main body along the circumference of the motor, are located on the circumference of the winding and are used to fix the binding wires of the winding.

8. The connection structure according to claim 7, characterized in that, The side wing is provided with at least one protruding tooth, which is used to fix the binding wire.

9. The connection structure according to claim 8, characterized in that, When there are multiple protruding teeth, the multiple protruding teeth are arranged at intervals along the circumference of the winding.

10. The connection structure according to claim 7, characterized in that, The number of the side wings is multiple, and the multiple side wings include at least a first side wing and a second side wing; Along the circumference of the winding, the main body is located between the first side wing and the second side wing.

11. The connection structure according to claim 7, characterized in that, The side wing fits against the outer peripheral wall of the winding.

12. The connection structure according to claim 1, characterized in that, The second connector extends from the end of the main body along the axial direction of the motor.

13. The connection structure according to claim 12, characterized in that, The peripheral sidewall of the second connector is provided with a snap-fit ​​protrusion, which is used to fix the protective device.

14. An electric motor, characterized in that, include: Stator, the stator including windings; The protective device is connected to the lead wire of the winding; According to any one of claims 1 to 13, the first connector is connected to the stator, and the second connector is connected to the protection device.

15. The motor according to claim 14, characterized in that, The protective device is provided with a connection hole, the second connector passes through the connection hole, and a part of the protective device is engaged between the main body and the engaging protrusion of the second connector.

16. The motor according to claim 14, characterized in that, The protective device includes: A conductive body, wherein the conductive body is provided with a conductive part and a wing; An insulating part is connected to the outer surface of the conductive body. Both the conductive part and the wing extend out of the insulating part. The wing connects the conductive part and the lead wire.

17. A compressor, characterized in that, include: The motor as described in any one of claims 14 to 16.

18. A refrigeration device, characterized in that, include: The connection structure as described in any one of claims 1 to 13; or The motor as described in any one of claims 14 to 16; or The compressor as described in claim 17.

Images