Insulation framework, primary assembly, linear motor, electromagnetic suspension and vehicle
By adopting an insulating frame with an annular structure, using the clasping and stacking design of the first and second skeletons, the problems of complex insulating frame structure and poor insulation effect in the prior art are solved, and the comprehensive protection of the stator core and the improvement of the insulation effect are achieved.
Patent Information
- Application Number
- CN202420645785.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-29
- Publication Date
- 2025-04-08
- Estimated Expiration
- 2034-03-29
AI Technical Summary
The existing linear motor insulating frame structure is complex, difficult to assemble, insufficient protection of the stator core, and poor insulation effect.
An annular insulating frame composed of the first skeleton and the second skeleton are adopted, and both are clamped and partially stacked in axial direction to form a winding space to protect the stator winding and ensure the insulation effect between the stator core and the stator winding.
It realizes comprehensive protection of the stator core, while ensuring the insulation effect between the stator core and the stator winding. It has a simple structure, convenient installation, better use effect, and a wider range of application.
Smart Images

Figure CN222735898U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of vehicle manufacturing, in particular to an insulating frame, a primary component, a linear motor, an electromagnetic suspension and a vehicle. Background Art
[0002] A linear motor can generate a linear driving force, and can be used as a power source for electrical appliances or various machines. The linear motor is provided with a stator assembly, and the stator assembly is provided with an insulating frame. The insulating frame is arranged outside the stator winding and is provided with an insulating material. The insulating frame can prevent short circuits between the stator winding and the stator core or other components, and thus isolate and protect the stator winding to ensure the safe operation of the linear motor. The insulating frame can also reduce energy loss and current leakage. However, in the current design, the insulating frame has a complex structure, is difficult to assemble, does not provide sufficient protection for the stator core, and has poor insulation between the stator core and the stator winding, leaving room for improvement. Utility Model Content
[0003] The utility model aims to solve at least one of the technical problems existing in the prior art. To this end, the utility model provides an insulating frame with a simple structure and convenient installation, which can fully protect the stator core and ensure the insulation effect between the stator core and the stator winding.
[0004] According to an embodiment of the utility model, the insulating skeleton comprises: a first skeleton and a second skeleton, wherein the first skeleton and the second skeleton are both constructed as annular parts, the first skeleton and the second skeleton are axially buckled and at least partially radially stacked to jointly define a winding space.
[0005] According to the insulating skeleton of the embodiment of the utility model, a first skeleton and a second skeleton are provided, both of which are annular in structure, and the first skeleton and the second skeleton can be axially buckled and radially stacked. It has a simple structure and is easy to install. A winding space is formed between the first skeleton and the second skeleton. The stator winding can be arranged in the winding space, thereby comprehensively protecting the stator core while ensuring the insulation effect between the stator core and the stator winding. The use effect is better and the scope of application is wider.
[0006] According to the insulating skeleton of some embodiments of the utility model, the first skeleton includes a first inner ring side wall and a first outer ring side wall which are radially spaced apart and relatively distributed, the second skeleton includes a second inner ring side wall and a second outer ring side wall which are radially spaced apart and relatively distributed, and the first inner ring side wall and the second inner ring side wall and / or the first outer ring side wall and the second outer ring side wall are configured to be axially buckled and radially stacked.
[0007] According to the insulating skeleton of some embodiments of the utility model, the first outer ring side wall is provided with a first clamping portion, the second outer ring side wall is provided with a second clamping portion, and the first clamping portion is clamped and matched with the second clamping portion.
[0008] According to the insulating skeleton of some embodiments of the utility model, the first inner ring side wall is provided with a first clamping portion, the second inner ring side wall is provided with a second clamping portion, and the first clamping portion is clamped and matched with the second clamping portion.
[0009] According to the insulating frame of some embodiments of the utility model, the first clamping part and the second clamping part are both constructed as clamping bosses, the first clamping part has a first guide slope and a first limiting surface, and the second clamping part has a second guide slope and a second limiting surface; the first clamping part and the second clamping part are guided by the clamping connection between the first guide slope and the second guide slope, and are limited by the clamping connection between the first limiting surface and the second limiting surface.
[0010] According to the insulating skeleton of some embodiments of the present invention, the first inner ring side wall and the second inner ring side wall are axially plugged into each other and radially stacked.
[0011] According to the insulating skeleton of some embodiments of the utility model, the first skeleton also includes an annular top plate, the first inner ring side wall and the first outer ring side wall are respectively connected to the inner and outer sides of the annular top plate, and the second skeleton also includes an annular bottom plate, the second inner ring side wall and the second outer ring side wall are respectively connected to the inner and outer sides of the annular bottom plate.
[0012] According to the insulating skeleton of some embodiments of the utility model, the first skeleton is provided with a plurality of first wire passing grooves spaced apart along the circumferential direction, the second skeleton is provided with a plurality of second wire passing grooves spaced apart along the circumferential direction, the plurality of first wire passing grooves and the plurality of second wire passing grooves are distributed in one-to-one correspondence, and the first wire passing grooves and the second wire passing grooves are respectively connected to the winding space.
[0013] According to the insulating frame of some embodiments of the utility model, the first frame is provided with a first clamping portion between two adjacent first wire passing grooves, and the second frame is provided with a second clamping portion between two adjacent second wire passing grooves, and the first clamping portion is clamped and matched with the second clamping portion.
[0014] According to the insulating skeleton of some embodiments of the utility model, the number of the first wire passing grooves and the number of the second wire passing grooves are both n, the first skeleton is provided with a first wire passing bridge baffle protruding in a direction away from the second skeleton at one of the first wire passing grooves, and the second skeleton is also provided with a second wire passing bridge baffle protruding in a direction away from the first skeleton at n-1 of the second wire passing grooves.
[0015] According to the insulating frame of some embodiments of the present invention, the first wire crossing bridge baffle plate and the second wire crossing bridge baffle plate are both constructed as arc-shaped plates, and are formed with arc-shaped guiding surfaces for lead wires.
[0016] The utility model also provides a primary component.
[0017] According to the primary component of the embodiment of the utility model, it includes a stator core, a stator winding and the insulating frame as described in any one of the above items, the stator core is formed with a plurality of stator slots arranged along the axial direction, the insulating frame is located in the stator slots, and the coils of the stator winding are coiled in the winding space of the insulating frame.
[0018] According to the primary assembly of some embodiments of the present invention, the first skeleton and the second skeleton jointly form a wire passing opening, and the coil of the stator winding is suitable for passing into or out of the winding space through the wire passing opening.
[0019] According to the primary components of some embodiments of the utility model, the insulating skeleton is provided with a wire bridge baffle at the wire passing opening, and the coil of the stator winding is suitable for being led out or introduced along the wire bridge baffle.
[0020] According to the primary assembly of some embodiments of the present invention, the fastening direction of the first skeleton and the second skeleton is the same as the arrangement direction of the plurality of stator slots.
[0021] The utility model also provides a linear motor.
[0022] The linear motor according to the embodiment of the utility model comprises a secondary component and any one of the primary components described above, wherein the secondary component and the primary component can be relatively movably matched.
[0023] The utility model also provides an electromagnetic suspension.
[0024] The electromagnetic suspension according to the embodiment of the utility model includes the linear motor described above.
[0025] The utility model also provides a vehicle.
[0026] A vehicle according to an embodiment of the utility model includes the electromagnetic suspension described above.
[0027] The vehicle, electromagnetic suspension, linear motor, primary assembly and the above-mentioned insulating frame have the same advantages as those of the prior art, which will not be described in detail here.
[0028] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS
[0029] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:
[0030] Figure 1 The structure of the insulating frame and the coil according to the embodiment of the utility model is shown in FIG. Figure 1 ;
[0031] Figure 2 is a cross-sectional view of an insulating frame and a coil according to an embodiment of the utility model;
[0032] Figure 3 The structure of the insulating frame and the coil according to the embodiment of the utility model is shown in FIG. Figure 2 ;
[0033] Figure 4 This is a schematic diagram of the structure of the first skeleton according to an embodiment of the utility model. Figure 1 ;
[0034] Figure 5 This is a schematic diagram of the structure of the first skeleton according to an embodiment of the utility model. Figure 2 ;
[0035] Figure 6 The structure of the second frame according to the embodiment of the utility model is shown in FIG. Figure 1 ;
[0036] Figure 7 The structure of the second frame according to the embodiment of the utility model is shown in FIG. Figure 2 ;
[0037] Figure 8 It is a schematic structural diagram of an insulating frame according to an embodiment of the utility model;
[0038] Fig. 9 is a cross-sectional view of an insulating frame according to an embodiment of the utility model;
[0039] Fig.10 is a cross-sectional view of a primary assembly according to an embodiment of the utility model;
[0040] Fig.11 It is a structural schematic diagram of a stator core according to an embodiment of the utility model;
[0041] Fig.12 It is a cross-sectional view of a stator core according to an embodiment of the utility model.
[0042] Reference numerals:
[0043] Primary component 100, stator core 1, stator slot 11, stator winding 2, coil 21, motor shaft 3,
[0044] Insulation frame 4,
[0045] The first frame 41, the first inner ring side wall 411, the first outer ring side wall 412, the first clamping portion 413, the first guiding inclined surface 414, the first limiting surface 415, the annular top plate 416, the first wire groove 417, the first wire bridge baffle 418,
[0046] The second skeleton 42 , the second inner ring side wall 421 , the second outer ring side wall 422 , the second clamping portion 423 , the second guiding inclined surface 424 , the second limiting surface 425 , the annular bottom plate 426 , the second wire passing groove 427 , the second wire passing bridge baffle 428 , the arc-shaped guiding surface 43 , and the winding space 44 . DETAILED DESCRIPTION
[0047] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.
[0048] In the description of the present utility model, it is necessary to understand that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, features defined as "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present utility model, unless otherwise specified, "multiple" means two or more.
[0049] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0050] Reference below Figure 1-Figure 12Description The insulating frame 4 according to the embodiment of the utility model has a simple structure and is easy to install. It can fully protect the stator core 1 and ensure the insulation effect between the stator core 1 and the stator winding 2.
[0051] like Figure 1-Figure 12 As shown, the insulating frame 4 according to an embodiment of the utility model includes: a first frame 41 and a second frame 42.
[0052] The first skeleton 41 and the second skeleton 42 are both configured as annular members. The first skeleton 41 and the second skeleton 42 are axially buckled and at least partially radially stacked to define a winding space 44 .
[0053] Among them, the motor can be set as a linear motor, which includes a stator component and a mover component, namely a primary component 100 and a secondary component. The mover component of the linear motor is a housing component, etc. The stator component is installed in the housing component. When current is passed through the stator component, the magnetic field generated by the stator component can drive the housing component to move linearly. The linear motor can directly convert electrical energy into linear motion mechanical energy, and does not require a transmission device of an intermediate conversion mechanism, so that the motor structure is relatively simple and light, and the linear motor has the advantages of large starting thrust, high transmission stiffness, fast dynamic response, high positioning accuracy, and unlimited stroke length.
[0054] Specifically, the insulating skeleton 4 is set to an insulating material, and the insulating skeleton 4 is set outside the stator winding 2, which can prevent the stator winding 2 from short-circuiting with the stator core 1 or other components, thereby isolating and protecting the stator winding 2 to ensure the safe operation of the linear motor, and the insulating skeleton 4 can also reduce energy loss and current leakage. The insulating skeleton 4 is provided with a first skeleton 41 and a second skeleton 42. The first skeleton 41 and the second skeleton 42 can both be set as annular parts with a simple structure, and the first skeleton 41 and the second skeleton 42 can be axially buckled, that is, the first skeleton 41 and the second skeleton 42 are buckled together along the axial direction to form the insulating skeleton 4, and the first skeleton 41 and the second skeleton 42 are connected by buckling, thereby making the assembly of the insulating skeleton 4 convenient and saving assembly time.
[0055] Furthermore, after the first skeleton 41 and the second skeleton 42 are axially buckled, they are at least partially stacked in the radial direction, that is, the first skeleton 41 and the second skeleton 42 are buckled in the axial direction, and during the buckling process, part of the structure of the first skeleton 41 and part of the structure of the second skeleton 42 can overlap in the radial direction, thereby limiting the relative displacement between the first skeleton 41 and the second skeleton 42 in the radial direction, and the first skeleton 41 and the second skeleton 42 can jointly define a winding space 44, and the winding space 44 can be used to install the stator winding 2, thereby protecting the stator winding 2, and the insulating skeleton 4 is set to insulating material, and the stator core 1 is set outside the insulating skeleton 4, so that the insulating skeleton 4 can ensure the insulation effect between the stator core 1 and the stator winding 2, thereby ensuring the safe operation of the linear motor, and the first skeleton 41 and the second skeleton 42 are set to annular parts, and the first skeleton 41 and the second skeleton 42 jointly define the winding space 44, so that the winding space 44 is also annular, thereby increasing the capacity of the insulating skeleton 4 to accommodate the stator winding 2.
[0056] According to the insulating skeleton 4 of the embodiment of the utility model, a first skeleton 41 and a second skeleton 42 are provided, both of which are annular in structure, and the first skeleton 41 and the second skeleton 42 can be buckled in the axial direction, and the structure is simple and easy to install. A winding space 44 is formed between the first skeleton 41 and the second skeleton 42, and the stator winding 2 can be arranged in the winding space 44, thereby comprehensively protecting the stator core 1 while ensuring the insulation effect between the stator core 1 and the stator winding 2, and the use effect is better and the application range is wider.
[0057] In some embodiments, the first skeleton 41 includes a first inner ring sidewall 411 and a first outer ring sidewall 412 that are radially spaced apart and relatively distributed, and the second skeleton 42 includes a second inner ring sidewall 421 and a second outer ring sidewall 422 that are radially spaced apart and relatively distributed, and the first inner ring sidewall 411 and the second inner ring sidewall 421 and / or the first outer ring sidewall 412 and the second outer ring sidewall 422 are configured to be axially buckled and radially stacked.
[0058] Specifically, the insulating frame 4 is provided with a first frame 41 and a second frame 42, both of which are annular members, and the first frame 41 and the second frame 42 can be buckled along the axial direction, such as Figure 4-Figure 5 As shown, the first skeleton 41 is provided with a first inner ring side wall 411 and a first outer ring side wall 412. The first inner ring side wall 411 is provided on the inner side of the first skeleton 41, and the first outer ring side wall 412 is provided on the outer side of the first skeleton 41. The first inner ring side wall 411 and the first outer ring side wall 412 are both extended axially. The first inner ring side wall 411 and the first outer ring side wall 412 are radially spaced apart and relatively distributed, so that the first inner ring side wall 411 and the first outer ring side wall 412 can define an annular space radially.
[0059] Furthermore, if Figure 6-Figure 7 As shown, the second skeleton 42 is provided with a second inner ring side wall 421 and a second outer ring side wall 422. The second inner ring side wall 421 is arranged on the inner side of the second skeleton 42, and the second outer ring side wall 422 is arranged on the outer side of the second skeleton 42. The second inner ring side wall 421 and the second outer ring side wall 422 are both extended axially, and the second inner ring side wall 421 and the second outer ring side wall 422 are radially spaced apart and relatively distributed, so that the second inner ring side wall 421 and the second outer ring side wall 422 can define an annular space radially.
[0060] The first inner ring side wall 411 and the second inner ring side wall 421 and / or the first outer ring side wall 412 and the second outer ring side wall 422 are configured to be buckled in the axial direction and stacked in the radial direction, that is, only the first inner ring side wall 411 and the second inner ring side wall 421 are configured to be buckled in the axial direction and stacked in the radial direction, or only the first outer ring side wall 412 and the second outer ring side wall 422 are configured to be buckled in the axial direction and stacked in the radial direction, or the first inner ring side wall 411 and the second inner ring side wall 421 and the first outer ring side wall 412 and the second outer ring side wall 422 are configured to be buckled in the axial direction and stacked in the radial direction. The wall 412 and the second outer ring side wall 422 are configured to be axially buckled and radially stacked. The first skeleton 41 and the second skeleton 42 can jointly define a winding space 44, and the first inner ring side wall 411 and the second inner ring side wall 421, and the first outer ring side wall 412 and the second outer ring side wall 422 are configured to be axially buckled and radially stacked, so that the first skeleton 41 and the second skeleton 42 are more tightly buckled, thereby ensuring the insulation of the winding space 44 and improving the insulation effect of the insulating skeleton 4.
[0061] In some embodiments, the first outer ring side wall 412 is provided with a first clamping portion 413 , and the second outer ring side wall 422 is provided with a second clamping portion 423 . The first clamping portion 413 is clamped and matched with the second clamping portion 423 .
[0062] Specifically, the first skeleton 41 is provided with a first outer ring side wall 412 and a first inner ring side wall 411 that are spaced apart and relatively distributed, and the first outer ring side wall 412 is provided with a first clamping portion 413, the first clamping portion 413 can be set as a clamping protrusion, etc., the first clamping portion 413 can be set on the outer side wall of the first outer ring side wall 412, and can also be set on the inner side wall of the first outer ring side wall 412, the second skeleton 42 is provided with a second outer ring side wall 422 and a second inner ring side wall 421 that are spaced apart and relatively distributed, and the second outer ring side wall 422 is provided with a second clamping portion 423, the second clamping portion 423 can be set as a clamping protrusion, etc., the second clamping portion 423 can be set on the outer side wall of the second outer ring side wall 422, and can also be set on the inner side wall of the second outer ring side wall 422.
[0063] Furthermore, when the first frame 41 and the second frame 42 are buckled together along the axial direction, the first outer ring side wall 412 can be located on the outside of the second outer ring side wall 422, or the first outer ring side wall 412 can be located on the inside of the second outer ring side wall 422. When the first outer ring side wall 412 is located on the outside of the second outer ring side wall 422, as shown in FIG. Figure 4-Figure 9 As shown, the first clamping portion 413 is arranged on the inner wall of the first outer ring side wall 412, and the second clamping portion 423 is arranged on the outer wall of the second outer ring side wall 422. When the first outer ring side wall 412 is located on the inner side of the second outer ring side wall 422, the first clamping portion 413 is arranged on the outer wall of the first outer ring side wall 412, and the second clamping portion 423 is arranged on the inner wall of the second outer ring side wall 422, so that the first clamping portion 413 and the second clamping portion 423 can be clamped together to ensure the reliability of the buckling of the first frame 41 and the second frame 42.
[0064] In some embodiments, the first inner ring side wall 411 is provided with a first clamping portion 413 , and the second inner ring side wall 421 is provided with a second clamping portion 423 . The first clamping portion 413 is clamped and matched with the second clamping portion 423 .
[0065] Specifically, the first skeleton 41 is provided with a first inner ring side wall 411 and a first outer ring side wall 412 that are spaced apart and relatively distributed, and the first inner ring side wall 411 is provided with a first clamping portion 413, the first clamping portion 413 can be set as a clamping protrusion, etc., the first clamping portion 413 can be set on the outer side wall of the first inner ring side wall 411, and can also be set on the inner side wall of the first inner ring side wall 411, the second skeleton 42 is provided with a second inner ring side wall 421 and a second outer ring side wall 422 that are spaced apart and relatively distributed, and the second inner ring side wall 421 is provided with a second clamping portion 423, the second clamping portion 423 can be set as a clamping protrusion, etc., the second clamping portion 423 can be set on the outer side wall of the second inner ring side wall 421, and can also be set on the inner side wall of the second inner ring side wall 421.
[0066] Furthermore, when the first skeleton 41 and the second skeleton 42 are axially buckled, the first inner ring side wall 411 can be located on the outside of the second inner ring side wall 421, or the first inner ring side wall 411 can be located on the inside of the second inner ring side wall 421. When the first inner ring side wall 411 is located on the outside of the second inner ring side wall 421, the first clamping portion 413 is arranged on the inner wall of the first inner ring side wall 411, and the second clamping portion 423 is arranged on the outer wall of the second inner ring side wall 421. When the first inner ring side wall 411 is located on the inside of the second inner ring side wall 421, the first clamping portion 413 is arranged on the outer wall of the first inner ring side wall 411, and the second clamping portion 423 is arranged on the inner wall of the second inner ring side wall 421, so that the first clamping portion 413 and the second clamping portion 423 can be snap-fitted to ensure the reliability of the buckling of the first skeleton 41 and the second skeleton 42.
[0067] The inner side mentioned above refers to a position close to the winding space 44 , and the outer side refers to a position far from the winding space 44 .
[0068] In some embodiments, the first clamping portion 413 and the second clamping portion 423 are both constructed as clamping bosses, the first clamping portion 413 has a first guide bevel 414 and a first limiting surface 415, and the second clamping portion 423 has a second guide bevel 424 and a second limiting surface 425; the first clamping portion 413 and the second clamping portion 423 are clamped and guided by the first guide bevel 414 and the second guide bevel 424, and are clamped and limited by the first limiting surface 415 and the second limiting surface 425.
[0069] Specifically, in this embodiment, the first outer ring side wall 412 is provided with a first clamping portion 413, and the second outer ring side wall 422 is provided with a second clamping portion 423. When the first skeleton 41 and the second skeleton 42 are axially buckled, the first clamping portion 413 and the second clamping portion 423 can be clamped together, thereby ensuring the reliability of the connection between the first skeleton 41 and the second skeleton 42, and the first clamping portion 413 is constructed as a clamping boss, the first clamping portion 413 is arranged on the inner side wall of the first outer ring side wall 412, and is extended circumferentially along the inner side wall of the first outer ring side wall 412, the first clamping portion 413 is provided with a first guide bevel 414 and a first limiting surface 415, the first guide bevel 414 is arranged on the side of the first clamping portion 413 facing the second clamping portion 423, and the first limiting surface 415 is arranged on the side of the first clamping portion 413 away from the first guide bevel 414.
[0070] Furthermore, the second clamping portion 423 is constructed as a clamping boss, the second clamping portion 423 is arranged on the outer wall of the second outer ring side wall 422, and is extended circumferentially along the outer wall of the second outer ring side wall 422, the second clamping portion 423 is provided with a second guide bevel 424 and a second limiting surface 425, the second guide bevel 424 is arranged on the side of the second clamping portion 423 facing the first clamping portion 413, and the second limiting surface 425 is arranged on the side of the second clamping portion 423 away from the second guide bevel 424.
[0071] like Fig. 9As shown, the first guide bevel 414 and the second guide bevel 424 are both inclinedly arranged in the axial direction, that is, when the first skeleton 41 and the second skeleton 42 are axially buckled, the first clamping portion 413 and the second clamping portion 423 are clamped, and the first guide bevel 414 and the second guide bevel 424 can first contact, and the first guide bevel 414 and the second guide bevel 424 can be clamped and guided with each other, thereby facilitating the clamping of the first clamping portion 413 and the second clamping portion 423. At the same time, when the first clamping portion 413 and the second clamping portion 423 are clamped, the first limiting surface 415 and the second limiting surface 425 can be clamped and limited, thereby limiting the displacement of the first clamping portion 413 and the second clamping portion 423 in the axial direction, thereby ensuring the reliability of the clamping.
[0072] In some embodiments, the first inner ring side wall 411 and the second inner ring side wall 421 are plugged together in the axial direction and are radially stacked.
[0073] Specifically, Fig. 9 As shown, the first skeleton 41 and the second skeleton 42 are buckled in the axial direction, and the first skeleton 41 is provided with a first inner ring side wall 411 and a first outer ring side wall 412, and the second skeleton 42 is provided with a second inner ring side wall 421 and a second outer ring side wall 422. The first outer ring side wall 412 and the second outer ring side wall 422 are plugged in along the axial direction, and the first inner ring side wall 411 and the second inner ring side wall 421 can also be plugged in along the axial direction. The winding space 44 is set as an annular structure, and the first inner ring side wall 411 and the second inner ring side wall 421 are radially stacked, that is, the inner ring of the annular winding space 44 is provided with a two-layer side wall structure, and the first inner ring side wall 411 and the second inner ring side wall 421 are both set as insulating materials, thereby ensuring the insulation reliability at the inner ring of the winding space 44. At the same time, setting a two-layer side wall structure can ensure structural strength and buckling reliability.
[0074] In some embodiments, the first skeleton 41 also includes an annular top plate 416, the first inner ring side wall 411 and the first outer ring side wall 412 are respectively connected to the inner and outer sides of the annular top plate 416, and the second skeleton 42 also includes an annular bottom plate 426, the second inner ring side wall 421 and the second outer ring side wall 422 are respectively connected to the inner and outer sides of the annular bottom plate 426.
[0075] Specifically, Figure 4-Figure 5As shown, the first skeleton 41 is provided with a first inner ring side wall 411 and a first outer ring side wall 412 which are spaced apart and relatively distributed, and the first skeleton 41 is also provided with an annular top plate 416, the first inner ring side wall 411 and the first outer ring side wall 412 are respectively connected to the inner and outer sides of the annular top plate 416, that is, the first inner ring side wall 411 is connected to the inner side of the annular top plate 416, the first outer ring side wall 412 is connected to the outer side of the annular top plate 416, and the first inner ring side wall 411 and the first outer ring side wall 412 are both extended axially toward the second skeleton 42.
[0076] Furthermore, the second skeleton 42 is provided with a second inner ring side wall 421 and a second outer ring side wall 422 which are spaced apart and relatively distributed, and the second skeleton 42 is also provided with an annular bottom plate 426, and the second inner ring side wall 421 and the second outer ring side wall 422 are respectively connected to the inner and outer sides of the annular bottom plate 426, that is, the second inner ring side wall 421 is connected to the inner side of the annular bottom plate 426, and the second outer ring side wall 422 is connected to the outer side of the annular bottom plate 426, and the second inner ring side wall 421 and the second outer ring side wall 422 are both extended axially toward the first skeleton 41.
[0077] As a result, when the first skeleton 41 and the second skeleton 42 are buckled together, the first inner ring side wall 411, the first outer ring side wall 412 and the annular top plate 416 can define the upper half of the winding space 44, and the second inner ring side wall 421, the second outer ring side wall 422 and the annular bottom plate 426 can define the lower half of the winding space 44, that is, the first skeleton 41 and the second skeleton 42 can jointly define a relatively closed annular winding space 44, thereby ensuring the reliability of insulation and increasing the creepage distance.
[0078] In some embodiments, the first skeleton 41 is provided with a plurality of first wire passing grooves 417 spaced apart along the circumferential direction, and the second skeleton 42 is provided with a plurality of second wire passing grooves 427 spaced apart along the circumferential direction. The plurality of first wire passing grooves 417 and the plurality of second wire passing grooves 427 are distributed in one-to-one correspondence, and the first wire passing grooves 417 and the second wire passing grooves 427 are respectively connected to the winding space 44.
[0079] Specifically, Figure 4-Figure 8 As shown, the first skeleton 41 is provided with a first wire passing groove 417, and the first wire passing groove 417 is provided in plurality. The plurality of first wire passing grooves 417 are circumferentially spaced apart and arranged on the first outer ring side wall 412 of the first skeleton 41, and are open toward the second skeleton 42. The first wire passing groove 417 can be provided as a stepped groove, an arcuate groove, a flat groove, etc. The second skeleton 42 is provided with a second wire passing groove 427, and the second wire passing groove 427 is provided in plurality. The plurality of second wire passing grooves 427 are circumferentially spaced apart and arranged on the second outer ring side wall 422 of the second skeleton 42, and are open toward the first skeleton 41. The second wire passing groove 427 can be provided as a stepped groove, an arcuate groove, etc.
[0080] Furthermore, multiple first wire passing grooves 417 and multiple second wire passing grooves 427 are distributed in one-to-one correspondence, that is, when the first skeleton 41 and the second skeleton 42 are axially buckled, each first wire passing groove 417 is provided with a corresponding second wire passing groove 427 to match, and the first wire passing groove 417 and the second wire passing groove 427 are respectively connected to the winding space 44, and the first wire passing groove 417 and the second wire passing groove 427 jointly form a wire passing opening, that is, the wire passing opening can be connected to the winding space 44, so that the stator winding 2 in the winding space 44 can extend to the outside through the wire passing opening to meet the use requirements.
[0081] In some embodiments, the first frame 41 has a first clamping portion 413 between two adjacent first wire grooves 417 , and the second frame 42 has a second clamping portion 423 between two adjacent second wire grooves 427 . The first clamping portion 413 is clamped with the second clamping portion 423 .
[0082] Specifically, Figure 4-Figure 8 As shown, the first skeleton 41 is provided with a plurality of first wire-passing grooves 417 spaced apart along the circumferential direction on the first outer ring side wall 412, and a first clamping portion 413 is provided between two adjacent first wire-passing grooves 417, one first clamping portion 413 may be provided between two adjacent first wire-passing grooves 417, or a plurality of first clamping portions 413 may be provided, and the second skeleton 42 is provided with a plurality of second wire-passing grooves 427 spaced apart along the circumferential direction on the second outer ring side wall 422, and a second clamping portion 423 is provided between two adjacent second wire-passing grooves 427, one second clamping portion 423 may be provided between two adjacent second wire-passing grooves 427, or a plurality of second clamping portions 423 may be provided.
[0083] When the first skeleton 41 and the second skeleton 42 are axially buckled, multiple first clamping parts 413 and multiple second clamping parts 423 can be snapped together, thereby ensuring the reliability of the buckling of the first skeleton 41 and the second skeleton 42, and one or more clamping parts are arranged between two adjacent wire grooves, which can ensure that the insulating skeleton 4 can be clamped at all points along the circumference, so that the force can be distributed to each clamping point, avoiding deformation, breakage, etc. caused by excessive force on a single clamping point, extending the service life of the first clamping part 413 and the second clamping part 423, and ensuring insulation reliability.
[0084] In some embodiments, the number of first wire grooves 417 and second wire grooves 427 are both n, and the first skeleton 41 is provided with a first wire bridge baffle 418 protruding in a direction away from the second skeleton 42 at one of the first wire grooves 417, and the second skeleton 42 is also provided with a second wire bridge baffle 428 protruding in a direction away from the first skeleton 41 at n-1 second wire grooves 427.
[0085] Specifically, the first skeleton 41 is provided with n first wire passing grooves 417 spaced apart along the circumferential direction on the first outer ring side wall 412, and the second skeleton 42 is also provided with n second wire passing grooves 427 spaced apart along the circumferential direction on the second outer ring side wall 422, so that after the first skeleton 41 and the second skeleton 42 are buckled, n wire passing openings can be formed, and the first skeleton 41 is provided with a first wire passing bridge baffle 418 protruding in the direction away from the second skeleton 42 at one of the first wire passing grooves 417, and the second skeleton 42 is also provided with a second wire passing bridge baffle 428 protruding in the direction away from the first skeleton 41 at n-1 second wire passing grooves 427, that is, when the first wire passing grooves 417 and the second wire passing grooves 427 are both set to three, the first wire passing bridge baffle 418 is set to one, and the second wire passing groove 427 baffle is set to two.
[0086] Among them, a first wire bridge baffle 418 and a second wire slot baffle 427 are correspondingly arranged, and as Figure 1-Figure 2 As shown, the coil 21 of the stator winding 2 can be introduced into or exported from the winding space 44 along a first wire bridge baffle 418 and a second wire groove 427 baffle. The first wire bridge baffle 418 is protruded in the direction away from the second frame 42, and the second wire bridge baffle 428 is protruded in the direction away from the first frame 41, so that the coil 21 introduced or exported through the first wire bridge baffle 418 and a second wire groove 427 baffle can avoid contact with the stator core 1, thereby ensuring insulation reliability, and avoiding the coil 21 from scratching the stator core 1, thereby extending the service life of the stator core 1.
[0087] In some embodiments, the first wire bridge baffle plate 418 and the second wire bridge baffle plate 428 are both configured as arc-shaped plates and are formed with an arc-shaped guide surface 43 for the lead wire.
[0088] Specifically, the first wire bridge baffle 418 is protruded in a direction away from the second frame 42, and the first wire bridge baffle 418 is configured as an arc plate, and the second wire bridge baffle 428 is protruded in a direction away from the first frame 41, and the second wire bridge baffle 428 is also configured as an arc plate. Figure 4-Figure 5 as well as Figure 8 As shown, the first wire crossing bridge baffle 418 and the second wire crossing bridge baffle 428 are both formed with an arc-shaped guide surface 43 for the lead-in, so that the coil 21 introduced or exported through the first wire crossing bridge baffle 418 and a second wire crossing groove 427 baffle can avoid contact with the stator core 1, and setting the guide surface to an arc shape can limit the coil 21, thereby ensuring the insulation reliability, and avoiding the coil 21 from scratching the stator core 1, thereby extending the service life of the stator core 1.
[0089] The utility model also provides a primary component 100 .
[0090] According to the primary component 100 of the embodiment of the utility model, it includes a stator core 1, a stator winding 2 and any of the above-mentioned insulating frames 4, the stator core 1 is formed with a plurality of stator slots 11 arranged along the axial direction, the insulating frame 4 is located in the stator slots 11, and the coils 21 of the stator winding 2 are wound in the winding space 44 of the insulating frame 4.
[0091] Specifically, Fig.10 As shown, the primary component 100 can be configured as a stator component, and the primary component 100 is provided with a stator core 1, a stator winding 2, an insulating frame 4 and a motor shaft 3, etc. The stator core 1 is provided in plurality, and the plurality of stator cores 1 are arranged axially, and a stator slot 11 is formed between two adjacent stator cores 1, and then the plurality of stator cores 1 arranged in the axial direction form a plurality of stator slots 11 arranged in the axial direction, as shown in FIG. Fig.11 As shown, the stator core 1 is configured as a ring structure, and as Fig.12 As shown, the stator core 1 is formed with an "L"-shaped cross-section, so that the stator slot 11 is also an annular slot, and the insulating frame 4 can be arranged in the stator slot 11. The insulating frame 4 is set to an insulating material, and an annular winding space 44 is formed in the insulating frame 4. The coil 21 of the stator winding 2 is coiled in the winding space 44 of the insulating frame 4, so that the stator core 1 and the stator winding 2 can be separated by the insulating frame 4, thereby fully protecting the stator core 1 while ensuring the insulation effect between the stator core 1 and the stator winding 2.
[0092] According to the primary component 100 of the embodiment of the utility model, a first skeleton 41 and a second skeleton 42 are provided, both of which are annular in structure, and the first skeleton 41 and the second skeleton 42 can be buckled in the axial direction, the structure is simple, and the installation is convenient, and a winding space 44 is formed between the first skeleton 41 and the second skeleton 42, and the stator winding 2 can be arranged in the winding space 44, thereby comprehensively protecting the stator core 1 while ensuring the insulation effect between the stator core 1 and the stator winding 2, the use effect is better, and the application range is wider.
[0093] In some embodiments, the first frame 41 and the second frame 42 together form a wire passage, and the coil 21 of the stator winding 2 is suitable for passing into or out of the winding space 44 through the wire passage.
[0094] Specifically, the insulating frame 4 is provided with a first frame 41 and a second frame 42, and the first frame 41 and the second frame 42 are axially buckled, and can jointly define a winding space 44, which can comprehensively protect the stator core 1 while ensuring the insulation effect between the stator core 1 and the stator winding 2, and the first frame 41 and the second frame 42 can jointly form a wire passing opening after buckling, and the wire passing opening can be formed on the outer wall of the insulating frame 4, and the winding space 44 can be connected to the outside world through the wire passing opening, the stator winding 2 is arranged in the winding space 44, and the coil 21 of the stator winding 2 enters or passes through the winding space 44 from the wire passing opening, that is, the coil 21 of the stator winding 2 in the outside world can enter the winding space 44 from the wire passing opening, and the coil 21 of the stator winding 2 in the winding space 44 can pass through the wire passing opening to the outside world, so that the stator windings 2 in multiple winding spaces 44 can be connected, ensuring operational reliability. The wire-passing opening may be formed by the first wire-passing groove 417 of the first frame 41 and the second wire-passing groove 427 of the second frame 42 .
[0095] In some embodiments, the insulating frame 4 is provided with a wire bridge baffle at the wire passing port, and the coil 21 of the stator winding 2 is suitable for being led out or introduced along the wire bridge baffle.
[0096] Specifically, the first frame 41 and the second frame 42 can jointly form a wire passing opening connecting the outside world and the winding space 44 after being buckled, and the coil 21 of the stator winding 2 can pass through or pass through the winding space 44 from the wire passing opening, and a wire passing bridge baffle is provided at the wire passing position, and the wire passing bridge baffle can be provided at the edge of the wire passing opening, and the wire passing bridge baffle is protruded in the axial direction, and the wire passing bridge baffle can be provided with two, that is, the first frame 41 is provided with a wire passing bridge baffle protruding in the direction away from the second frame 42, and the second frame 42 is provided with a wire passing bridge baffle protruding in the direction away from the first frame 41. The two wire bridge baffles are arranged at the edge of the wire port, and the coil 21 of the stator winding 2 can be led out or in along the wire bridge baffles, that is, the coil 21 of the stator winding 2 outside can be led into the winding space 44 along the wire bridge baffles, and the coil 21 of the stator winding 2 in the winding space 44 can be led out to the outside along the wire bridge baffles. The protruding arrangement of the wire bridge baffles can prevent the coil 21 outside the winding space 44 from contacting the stator core 1, thereby ensuring the insulation reliability, and preventing the coil 21 from scratching the stator core 1, thereby extending the service life of the stator core 1. Among them, the wire bridge baffles include a first wire bridge baffle 418 arranged on the first frame 41 and a second wire bridge baffle 428 arranged on the second frame 42.
[0097] In some embodiments, the fastening direction of the first skeleton 41 and the second skeleton 42 is the same as the arrangement direction of the plurality of stator slots 11 .
[0098] Specifically, Fig.10As shown, a plurality of stator cores 1 arranged along the axial direction form a plurality of stator slots 11 arranged along the axial direction, an insulating skeleton 4 is arranged in the stator slots 11, and the insulating skeleton 4 is provided with a first skeleton 41 and a second skeleton 42, the first skeleton 41 and the second skeleton 42 are axially buckled, and jointly define a winding space 44, the stator winding 2 can be arranged in the winding space 44, and the buckling direction of the first skeleton 41 and the second skeleton 42 is the same as the arrangement direction of the plurality of stator slots 11, that is, the first skeleton 41 and the second skeleton 42 are axially buckled, and the plurality of stator slots 11 are also arranged axially, so that the stator cores 1 on both sides of the insulating skeleton 4 along the axial direction can apply an axial force to the insulating skeleton 4, so as to ensure the reliability of the buckling of the first skeleton 41 and the second skeleton 42, so as to ensure the insulation effect between the stator core 1 and the stator winding 2.
[0099] The utility model also provides a linear motor.
[0100] The linear motor according to the embodiment of the present invention comprises a secondary component and any one of the primary components 100 described above, and the secondary component and the primary component 100 can be relatively movably matched.
[0101] Specifically, the linear motor is provided with a primary component 100 and a secondary component, namely a stator component and a mover component. The mover component of the linear motor is provided as a shell component, etc. The shell component is provided at the outermost side of the linear motor. The shell component can support the overall structure of the linear motor, and then the shell component can protect the internal components of the linear motor, so that the internal components of the linear motor will not be affected by the outside world, and the potential pollution hazards caused by the internal components of the linear motor to the environment can be avoided, thereby improving the environmental friendliness of the linear motor during use.
[0102] Furthermore, the stator assembly is installed in the housing assembly, and the mover assembly and the stator assembly can cooperate relatively and movably. When current is passed through the stator assembly, the magnetic field generated by the stator assembly can drive the housing assembly to move linearly. The linear motor can directly convert electrical energy into linear motion mechanical energy, and is a transmission device that does not require an intermediate conversion mechanism. The linear motor has a simple and light structure and has a large starting thrust, high transmission stiffness, fast dynamic response, high positioning accuracy, and unlimited stroke length.
[0103] According to the linear motor of the embodiment of the utility model, a first frame 41 and a second frame 42 are provided, both of which are annular in structure, and the first frame 41 and the second frame 42 can be buckled along the axial direction. The structure is simple and the installation is convenient. A winding space 44 is formed between the first frame 41 and the second frame 42. The stator winding 2 can be arranged in the winding space 44, thereby comprehensively protecting the stator core 1 while ensuring the insulation effect between the stator core 1 and the stator winding 2, so that the use effect is better and the application range is wider.
[0104] The utility model also provides an electromagnetic suspension.
[0105] The electromagnetic suspension according to the embodiment of the utility model includes the above-mentioned linear motor.
[0106] According to the electromagnetic suspension of the embodiment of the utility model, a first frame 41 and a second frame 42 are provided, both of which are annular in structure, and the first frame 41 and the second frame 42 can be buckled along the axial direction, the structure is simple, and the installation is convenient, and a winding space 44 is formed between the first frame 41 and the second frame 42, and the stator winding 2 can be arranged in the winding space 44, thereby comprehensively protecting the stator core 1 and ensuring the insulation effect between the stator core 1 and the stator winding 2, the use effect is better, and the application range is wider.
[0107] The utility model also provides a vehicle.
[0108] A vehicle according to an embodiment of the utility model includes the above-mentioned electromagnetic suspension.
[0109] According to the vehicle of the embodiment of the utility model, a first frame 41 and a second frame 42 are provided, both of which are annular in structure, and the first frame 41 and the second frame 42 can be buckled in the axial direction, the structure is simple, and the installation is convenient, and a winding space 44 is formed between the first frame 41 and the second frame 42, and the stator winding 2 can be arranged in the winding space 44, thereby comprehensively protecting the stator core 1 and ensuring the insulation effect between the stator core 1 and the stator winding 2, the use effect is better, and the application range is wider.
[0110] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "illustrative embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.
[0111] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.
Claims
1. An insulating frame (4), characterized in that: include: A first skeleton (41) and a second skeleton (42), wherein the first skeleton (41) and the second skeleton (42) are both constructed as annular parts, and the first skeleton (41) and the second skeleton (42) are axially buckled and at least partially radially stacked to jointly define a winding space (44).
2. The insulating frame (4) according to claim 1, characterized in that: The first skeleton (41) includes a first inner ring side wall (411) and a first outer ring side wall (412) which are radially spaced apart and relatively distributed, and the second skeleton (42) includes a second inner ring side wall (421) and a second outer ring side wall (422) which are radially spaced apart and relatively distributed, and the first inner ring side wall (411) and the second inner ring side wall (421) and / or the first outer ring side wall (412) and the second outer ring side wall (422) are configured to be axially buckled and radially stacked.
3. The insulating frame (4) according to claim 2, characterized in that: The first outer ring side wall (412) is provided with a first clamping portion (413), and the second outer ring side wall (422) is provided with a second clamping portion (423), and the first clamping portion (413) and the second clamping portion (423) are clamped and matched.
4. The insulating frame (4) according to claim 2, characterized in that: The first inner ring side wall (411) is provided with a first clamping portion (413), and the second inner ring side wall (421) is provided with a second clamping portion (423), and the first clamping portion (413) and the second clamping portion (423) are clamped and matched.
5. The insulating skeleton (4) according to claim 3 or 4, characterized in that: The first clamping portion (413) and the second clamping portion (423) are both configured as clamping bosses; the first clamping portion (413) has a first guiding inclined surface (414) and a first limiting surface (415); and the second clamping portion (423) has a second guiding inclined surface (424) and a second limiting surface (425); The first clamping portion (413) and the second clamping portion (423) are clamped and guided by the first guiding inclined surface (414) and the second guiding inclined surface (424), and are clamped and limited by the first limiting surface (415) and the second limiting surface (425).
6. The insulating frame (4) according to claim 3, characterized in that: The first inner ring side wall (411) and the second inner ring side wall (421) are plugged together in the axial direction and are radially stacked.
7. The insulating skeleton (4) according to claim 2, characterized in that: The first skeleton (41) further includes an annular top plate (416), the first inner ring side wall (411) and the first outer ring side wall (412) are respectively connected to the inner and outer sides of the annular top plate (416), and the second skeleton (42) further includes an annular bottom plate (426), the second inner ring side wall (421) and the second outer ring side wall (422) are respectively connected to the inner and outer sides of the annular bottom plate (426).
8. The insulating frame (4) according to claim 1, characterized in that: The first skeleton (41) is provided with a plurality of first wire passing grooves (417) spaced apart along the circumferential direction, and the second skeleton (42) is provided with a plurality of second wire passing grooves (427) spaced apart along the circumferential direction. The plurality of first wire passing grooves (417) and the plurality of second wire passing grooves (427) are distributed in one-to-one correspondence, and the first wire passing grooves (417) and the second wire passing grooves (427) are respectively connected to the winding space (44).
9. The insulating frame (4) according to claim 8, characterized in that: The first frame (41) is provided with a first clamping portion (413) between two adjacent first wire passing grooves (417), and the second frame (42) is provided with a second clamping portion (423) between two adjacent second wire passing grooves (427), and the first clamping portion (413) is clamped and matched with the second clamping portion (423).
10. The insulating frame (4) according to claim 8, characterized in that: The number of the first wire grooves (417) and the number of the second wire grooves (427) are both n; the first frame (41) is provided with a first wire bridge baffle (418) protruding in a direction away from the second frame (42) at one of the first wire grooves (417); the second frame (42) is also provided with a second wire bridge baffle (428) protruding in a direction away from the first frame (41) at n-1 of the second wire grooves (427).
11. The insulating frame (4) according to claim 10, characterized in that: The first wire crossing bridge baffle plate (418) and the second wire crossing bridge baffle plate (428) are both constructed as arc-shaped plates and are formed with arc-shaped guide surfaces (43) for lead wires.
12. A primary assembly (100), characterized in that The invention comprises a stator core (1), a stator winding (2) and an insulating frame (4) as claimed in any one of claims 1 to 11, wherein the stator core (1) is formed with a plurality of stator slots (11) arranged along the axial direction, the insulating frame (4) is located in the stator slots (11), and the coils (21) of the stator winding (2) are wound in the winding space (44) of the insulating frame (4).
13. The primary component (100) according to claim 12, characterized in that The first frame (41) and the second frame (42) together form a wire passing opening, and the coil (21) of the stator winding (2) is suitable for passing into or out of the winding space (44) through the wire passing opening.
14. The primary component (100) according to claim 13, characterized in that The insulating frame (4) is provided with a wire bridge baffle at the wire passing opening, and the coil (21) of the stator winding (2) is suitable for being led out or introduced along the wire bridge baffle.
15. The primary component (100) according to claim 12, characterized in that The buckling direction of the first frame (41) and the second frame (42) is the same as the arrangement direction of the plurality of stator slots (11).
16. A linear motor, characterized in that: The invention comprises a secondary assembly and the primary assembly (100) according to any one of claims 12 to 15, wherein the secondary assembly and the primary assembly (100) can be relatively movably matched.
17. An electromagnetic suspension, characterized in that: Includes the linear motor as described in claim 16.
18. A vehicle, characterized in that: Includes the electromagnetic suspension as claimed in claim 17.