Starting and generating all-in-one machine and power system

Abstract

The invention provides a starting all-in-one machine and a power system.The starting all-in-one machine comprises a machine shell, a first end cover, a second end cover and an operation space, the machine shell is provided with a containing space penetrating through the axial direction of the machine shell, and the first end cover and the second end cover are connected to the two opposite ends of the machine shell in the axial direction of the machine shell so as to block the containing space; at least one of the first end cover and the second end cover forms a connecting end cover used for being connected with an external mechanism, and the operation space is formed in at least partial position of the peripheral wall of the starting all-in-one machine and used for allowing a connecting piece to penetrate through the connecting end cover from the operation space to be connected with the external mechanism. According to the scheme, the problems that in the prior art, the starting all-in-one machine is connected with other functional mechanisms by arranging connecting lugs on the peripheral wall in the radial direction in a protruding mode, the radial size of the starting all-in-one machine is large, and the needed installation space is large can be solved.

Description

Technical Field

[0001] The present application relates to the technical field of power systems, and in particular to an integrated starter and a power system. Background Art

[0002] A starter-starter is a motor device that integrates the functions of a starter and a generator. It is a special motor that can operate in three working conditions: starting, assisting, and generating electricity. Compared with the traditional split design, the starter-starter reduces space occupancy and weight through integration. The starter-starter has the characteristics of high power density, fast response, and high efficiency, making it well suited to the development requirements of hybrid new energy vehicle drive systems in terms of integration, high torque density, and high power density.

[0003] An integrated starter is typically connected to a functional mechanism, such as an engine. In the prior art, connecting ears are typically provided radially protruding from the outer circumference of the starter, which are connected to the engine or other functional mechanism via bolts or other means. Providing connecting ears on the outer circumference of the starter increases the radial dimensions of the starter, requiring a larger installation space and limiting its use in compact systems. Summary of the Invention

[0004] In view of this, the present application provides an integrated starter and a power system to solve the problem in the prior art that the integrated starter is connected to other functional mechanisms by radially protruding connecting ears on the outer peripheral wall, the radial size of the integrated starter is large, and the installation space required is large.

[0005] In order to achieve the above objectives, this application provides the following technical solutions:

[0006] A hair starter, comprising:

[0007] The housing has an accommodating space extending axially through the housing;

[0008] A first end cover and a second end cover are connected to opposite ends of the housing along the axial direction of the housing to seal the accommodation space, and at least one of the first end cover and the second end cover forms a connecting end cover for connecting to an external mechanism;

[0009] An operating space is provided in at least a partial position of the outer peripheral wall of the starter, and is used for allowing a connecting member to pass through the operating space and the connecting end cover to be connected to the external mechanism.

[0010] Optionally, the first end cover and the second end cover both form the connecting end cover;

[0011] The operating space includes a first space and a second space, and the first space and the second space are distributed at intervals along the axial direction of the casing. The first space is used for a first connecting member to pass through the first end cover from the first space and connect to the external mechanism, and the second space is used for a second connecting member to pass through the second end cover from the second space and connect to the external mechanism.

[0012] Optionally, the first space includes a plurality of first subspaces arranged along the circumference of the housing, and the second space includes a plurality of second subspaces arranged along the circumference of the housing, wherein:

[0013] The first subspace includes a first notch and a second notch, the first notch being formed on a side of the housing facing the first end cover, and the second notch being formed on a side of the first end cover facing the housing, the first notch and the second notch being recessed away from each other and disposed opposite to each other;

[0014] The second subspace includes a third notch and a fourth notch, the third notch is opened on the side of the housing facing the second end cover, and the fourth notch is opened on the side of the second end cover facing the housing, and the third notch and the fourth notch are recessed in a direction away from each other and are arranged opposite to each other.

[0015] Optionally, along the circumference of the housing, the first notch and the third notch are staggered.

[0016] Optionally, the first notch, the second notch, the third notch and the fourth notch are all arc-shaped notches, and the central angle of the arc-shaped notches is less than 180 degrees.

[0017] Optionally, a first sealing layer is provided between the casing and the first end cover so that the casing and the first end cover are sealed and connected, and a second sealing layer is provided between the casing and the second end cover so that the casing and the second end cover are sealed and connected.

[0018] Optionally, the hair starter is a flat structure, and the radial dimension of the hair starter is 4-5 times the axial dimension.

[0019] Optionally, the starting machine includes a stator, a rotor, and a rotating shaft, wherein the stator is fixedly sleeved in the housing, the rotor is rotatably sleeved in the stator, and at least a portion of the rotating shaft extends into the rotor and rotates synchronously with the rotor;

[0020] The stator adopts a multi-stage, multi-slot, fractional-slot pole-slot matching structure; and / or,

[0021] The stator comprises a stator core and a stator winding, wherein the pitch of the stator winding is 1; and / or,

[0022] The rotor is a surface-mounted rotor, and the outer peripheral wall is provided with a carbon fiber wrapping layer.

[0023] Optionally, the stator core includes a plurality of stator teeth spaced apart along the circumferential direction and tooth slots formed between two adjacent stator teeth, and the stator winding is wound around the stator teeth;

[0024] The stator further includes a potting portion that covers ends of the stator winding and fills gaps in the tooth slots.

[0025] Optionally, the rotating shaft includes a rotor connecting shaft segment and an external connecting shaft segment arranged at at least one end of the rotor connecting shaft segment, the rotor connecting shaft segment is fixedly connected to the rotor, and the external connecting shaft segment is used to connect the external mechanism, and the diameters of the rotor connecting shaft segment and the external connecting shaft segment are different.

[0026] A power system comprises an engine, a gearbox and a starter as described in any one of the above items, wherein the engine is connected to the first end cover, and the gearbox is connected to the second end cover.

[0027] In an embodiment of the present application, an operating space is provided on the peripheral wall of the all-in-one hair starter. When it is necessary to connect to an external mechanism, the assembly operation between the connector and the connecting end cover and the external mechanism can be completed through the operating space, thereby realizing a reliable connection between the all-in-one hair starter and the external mechanism with the help of the connecting end cover. Compared with the method in the prior art that requires radially protruding connecting ears to be provided on the peripheral wall to achieve connection, the embodiment of the present application does not require the provision of such connecting ears, which effectively reduces the radial size and overall weight of the all-in-one hair starter, and improves the integration and lightweight level of the product. It can be seen that the embodiment of the present application can solve the problem in the prior art that the all-in-one hair starter is connected to other functional mechanisms by radially protruding connecting ears on the peripheral wall, and the radial size of the all-in-one hair starter is large, and the required installation space is large. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are merely embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on the provided drawings without any creative work.

[0029] Figure 1 A schematic structural diagram of the housing, first end cover, and second end cover provided in an embodiment of the present application;

[0030] Figure 2 A schematic structural diagram of a stator provided in an embodiment of the present application;

[0031] Figure 3 A schematic structural diagram of a stator with a potting portion provided in an embodiment of the present application;

[0032] Figure 4 A schematic diagram of the structure of the rotor provided in an embodiment of the present application;

[0033] Figure 5 This is a schematic structural diagram of the rotating shaft provided in an embodiment of the present application.

[0034] exist Figure 1-Figure 5 middle:

[0035] 100, housing;

[0036] 200, first end cover; 210, first mounting hole; 220, second mounting hole;

[0037] 300, second end cover; 310, third mounting hole; 320, fourth mounting hole:

[0038] 410, first subspace; 411, first gap; 412, second gap; 420, second subspace; 421, third gap; 422, fourth gap;

[0039] 500, stator; 510, stator core; 520, stator winding; 530, potting unit;

[0040] 600, rotor; 610, carbon fiber wrapping;

[0041] 700, rotating shaft; 710, first shaft section; 720, second shaft section; 730, third shaft section. DETAILED DESCRIPTION

[0042] The following will be combined with the drawings in the embodiments of this application to clearly and completely describe the technical solutions in the embodiments of this application. Obviously, the embodiments described are only part of the embodiments of this application, not all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of this application.

[0043] like Figures 1 to 5 As shown, an embodiment of the present application provides an all-in-one hair starter, which includes a housing 100, a first end cover 200, a second end cover 300 and an operating space.

[0044] Among them, the casing 100 has an accommodating space that runs through the axial direction of the casing 100, and the accommodating space is used to install electromagnetic structures such as the stator 500 and the rotor 600. The first end cover 200 and the second end cover 300 are respectively connected to the opposite ends of the casing 100 along the axial direction of the casing 100 to block the accommodating space, improve the sealing performance of the starter, and make it difficult for water, dust and other debris to enter the starter, thereby improving the reliability of the starter.

[0045] At least one of the first end cap 200 and the second end cap 300 forms a connection end cap for connecting to an external mechanism.

[0046] When only one side of the starter is connected to an external mechanism, such as an engine, the first end cover 200 can form a connecting end cover connected to the engine; when both sides of the starter are connected to external mechanisms, such as one side is connected to the engine and the other side is connected to the gearbox, the first end cover 200 and the second end cover 300 both form connecting end covers, the first end cover 200 can be connected to the engine, and the second end cover 300 can be connected to the gearbox.

[0047] The operating space is a structure such as an operating cavity opened in at least a partial position of the outer peripheral wall of the starter, and its radial dimension is smaller than the radial wall thickness of the casing 100. The operating space is used for the connecting part to pass through the connecting end cover from the operating space to connect with the external mechanism.

[0048] When only one side of the starter is connected to an external mechanism, such as an engine, the operating space can allow the first connecting member to pass through the first end cover 200 from the operating space and connect to the engine, thereby realizing the connection between the first end cover 200 and the engine; when both sides of the starter are connected to external mechanisms, for example, one side is connected to the engine and the other side is connected to the gearbox, the operating space can allow the first connecting member to pass through the first end cover 200 from the operating space and connect to the engine, and can also allow the second connecting member to pass through the second end cover 300 from the operating space and connect to the gearbox, thereby realizing the connection between the second end cover 300 and the gearbox.

[0049] In an embodiment of the present application, an operating space is provided on the peripheral wall of the all-in-one starter. When it is necessary to connect to an external mechanism, the assembly operation between the connector and the connecting end cover and the external mechanism can be completed through the operating space, thereby realizing a reliable connection between the all-in-one starter and the external mechanism with the help of the connecting end cover. Compared with the method in the prior art that requires radially protruding connecting ears to be provided on the peripheral wall to achieve connection, the embodiment of the present application does not require the provision of such connecting ears, which effectively reduces the radial size and overall weight of the all-in-one starter, and improves the integration and lightweight level of the product. It can be seen that the embodiment of the present application can solve the problem in the prior art that the all-in-one starter is connected to other functional mechanisms by radially protruding connecting ears provided on the peripheral wall, and the radial size of the all-in-one starter is large, and the required installation space is large.

[0050] In the case where the first end cover 200 and the second end cover 300 both form connecting end covers, the structure of the operation space can be various.

[0051] In an optional embodiment, the operating space may include multiple subspaces evenly arranged along the circumference of the housing 100, and the subspaces may penetrate the housing 100 along the axial direction of the housing 100. With this design, the connector can be installed from two directions: on the one hand, the connector can be inserted and fixed toward the first end cover 200, thereby connecting the first end cover 200 to the external device; on the other hand, the connector can also be inserted and fixed toward the second end cover 300, thereby connecting the second end cover 300 to the external device.

[0052] Furthermore, the subspace can not only penetrate the casing 100 along the axial direction of the casing 100, but the axial ends of the subspace can also extend to the first end cover 200 and the second end cover 300 respectively, but do not penetrate the first end cover 200 and the second end cover 300, so as to increase the size of the subspace and facilitate the installation operation of the corresponding connecting parts.

[0053] In another optional embodiment, the operating space may include a first space and a second space, and the first space and the second space may be spaced apart along the axial direction of the housing 100. In other words, the first space and the second space are not connected to each other. The first space is used for inserting the first connector toward the first end cover 200, thereby passing through the first end cover 200 to connect to an external device. The second space is used for inserting the second connector toward the second end cover 300, thereby passing through the second end cover 300 to connect to an external device.

[0054] In this case, by setting the operating space as a first space and a second space that are not connected to each other, the total volume can be reduced as much as possible while meeting the assembly requirements, thereby reducing the impact of the opening of the operating space on the overall structural strength of the starter.

[0055] Optionally, the first space may be an annular groove distributed around the axis of the housing 100 (which may be understood as multiple first subspaces 410 connected), and the second space may be an annular groove distributed around the axis of the housing 100 (which may be understood as multiple second subspaces 420 connected).

[0056] Optionally, the first space may include a plurality of first subspaces 410 evenly arranged along the circumference of the housing 100, and the second space may include a plurality of second subspaces 420 evenly arranged along the circumference of the housing 100. In this case, by providing the operating space as a plurality of independent first subspaces 410 and a plurality of independent second subspaces 420, the total volume can be minimized while meeting assembly requirements, thereby reducing the impact of the operating space on the overall structural strength of the starter.

[0057] The first subspace 410 may be a slot structure defined in the first end cover 200 and the housing 100, with the slot facing outward in the radial direction of the housing 100. The first subspace 410 may include a first notch 411 and a second notch 412. The first notch 411 may be defined on the side of the housing 100 facing the first end cover 200, and the second notch 412 may be defined on the side of the first end cover 200 facing the housing 100. The first notch 411 and the second notch 412 are recessed away from each other and disposed opposite each other to form a slot structure. This increases the size of a single first subspace 410 and facilitates installation of the corresponding first connector.

[0058] The second subspace 420 may be a slot structure defined in the second end cover 300 and the housing 100, with the slot facing outward in the radial direction of the housing 100. The second subspace 420 may include a third notch 421 and a fourth notch 422. The third notch 421 is defined on the side of the housing 100 facing the second end cover 300, and the fourth notch 422 is defined on the side of the second end cover 300 facing the housing 100. The third notch 421 and the fourth notch 422 are recessed away from each other and are disposed opposite each other to form a slot structure. This increases the size of a single second subspace 420 and facilitates installation of the corresponding second connector.

[0059] Of course, the first subspace 410 may only include the first notch 411 , and the second subspace 420 may only include the third notch 421 .

[0060] In a further technical solution, the first notch 411 and the third notch 421 can be staggered along the circumference of the casing 100. Compared with the structure in which the first notch 411 and the second notch 412 are aligned, this structure can reduce the impact of the notch on the structural strength of the casing 100.

[0061] The first notch 411 , the second notch 412 , the third notch 421 and the fourth notch 422 may have various shapes. In an optional embodiment, the first notch 411 , the second notch 412 , the third notch 421 and the fourth notch 422 may be rectangular notches.

[0062] In another alternative embodiment, please refer to Figure 1 The first notch 411, the second notch 412, the third notch 421, and the fourth notch 422 can all be arc-shaped notches, and the central angle of the arc-shaped notches can be less than 180 degrees, for example, 120 degrees, 140 degrees, etc. In this case, the cavities of the first subspace 410 and the second subspace 420 can be made smaller, which has a smaller impact on the strength of the starter. In addition, the smooth transition surface is less likely to cause stress concentration and is less likely to scratch the operator.

[0063] The first end cover 200 may be provided with a first mounting hole 210, and the first mounting hole 210 may be provided in the area where the second notch 412 is located, and the first mounting hole 210 and the second notch 412 may correspond one to one, and the first connecting member may be a bolt, and an external mechanism located on one side of the first end cover 200, such as an engine, may be provided with a threaded hole. During assembly, the first connecting member may be inserted in a direction toward the first end cover 200, and then pass through the first mounting hole 210 to threadably engage with the threaded hole on the engine, thereby completing the connection between the first end cover 200 and the engine.

[0064] The second end cover 300 may be provided with a third mounting hole 310, which may be provided in the area where the fourth notch 422 is located, and the third mounting hole 310 and the fourth notch 422 may correspond one to one, the second connecting member may be a bolt, and an external mechanism located on one side of the second end cover 300, such as a gearbox, may be provided with a threaded hole, and the second connecting member may be inserted in a direction toward the second end cover 300, and then pass through the third mounting hole 310 and threadedly engage with the threaded hole on the gearbox to complete the connection between the second end cover 300 and the gearbox.

[0065] The first end cover 200 may be provided with a plurality of second mounting holes 220, and the second mounting holes 220 may be located in an area of ​​the first end cover 200 where no operating space is provided. The end of the housing 100 facing the first end cover 200 may be provided with threaded holes opposite to the second mounting holes 220, and the first end cover 200 and the housing 100 may be connected by threaded connectors such as bolts.

[0066] The second end cover 300 may be provided with a plurality of fourth mounting holes 320, and the fourth mounting holes 320 may be located in an area of ​​the second end cover 300 where no operating space is provided. The end of the housing 100 facing the second end cover 300 may be provided with threaded holes opposite to the fourth mounting holes 320, and the second end cover 300 and the housing 100 may be connected by threaded connectors such as bolts.

[0067] In order to further improve the sealing performance of the starter, a first sealing layer can be provided between the casing 100 and the first end cover 200 to seal the casing 100 and the first end cover 200, and a second sealing layer can be provided between the casing 100 and the second end cover 300 to seal the casing 100 and the second end cover 300.

[0068] The first sealing layer can be a first adhesive layer, which is formed by applying sealant to the connection surface between the first end cover 200 and the housing 100. The second sealing layer can be a second adhesive layer, which is formed by applying sealant to the connection surface between the second end cover 300 and the housing 100. The first adhesive layer and the second adhesive layer can be sealants such as nitrile rubber (NBR) sealant and polyurethane foam sealant.

[0069] Of course, in other optional embodiments, the first sealing layer may be a first sealing ring, and the second sealing layer may be a second sealing ring.

[0070] In an embodiment of the present application, the integrated starter can be a flat structure, and the radial dimension of the integrated starter can be 4-5 times the axial dimension, for example, 4 times, 4.4 times, 4.5 times, or 5 times. By adopting a flat design, the integrated starter is more suitable for systems with limited axial installation space.

[0071] The casing 100, the first end cover 200 and the second end cover 300 in the embodiment of the present application can be made of cast iron material. On the premise of meeting the strength requirements and complying with the production process, the radial wall thickness of the casing 100 is optimized and designed to be reduced as much as possible; at the same time, the axial wall thickness of the first end cover 200 and the second end cover 300 is optimized and designed to be thinned as much as possible.

[0072] Compared with aluminum alloy materials, cast iron materials have better structural strength. Under the premise of ensuring the structural strength of the casing 100, the first end cover 200 and the second end cover 300, the radial wall thickness of the casing 100 can be reduced, and the axial wall thickness of the first end cover 200 and the second end cover 300 can be reduced. When the outer contour dimensions of the starter are fixed, the size of the internal accommodating space can be increased, and then the axial dimensions of the internal electromagnetic components can be increased and the outer diameter can be expanded. This design helps to enhance the overall performance of the starter, such as higher power density and greater output torque, and meet the starting, power assist and power generation requirements of the entire vehicle using the starter in the embodiment of the application.

[0073] The starting machine includes a stator 500, a rotor 600 and a rotating shaft 700. The stator 500 can be fixedly mounted in the casing 100 by interference fit, bolt connection, etc., and the rotor 600 can be rotatably mounted in the stator 500. At least part of the rotating shaft 700 extends into the rotor 600 and rotates synchronously with the rotor 600.

[0074] The stator 500 can adopt a multi-stage, multi-slot, fractional-slot pole-slot matching structure. The stator 500 includes a stator core 510 and a stator winding 520. The stator core 510 includes a plurality of stator teeth arranged at intervals along the circumferential direction and tooth slots formed between two adjacent stator teeth. The stator winding 520 is wound on the stator teeth. The pitch of the stator winding 520 can be 1, and under the premise of ensuring that the electrical distance (i.e., insulation requirements) is not affected, the outer diameter of the winding is increased as much as possible to optimize the performance of the starting machine.

[0075] Compared to distributed windings, this structure spans only a single slot, reducing the end height of the stator winding 520 (the end of the stator winding 520 refers to the portion of the stator winding 520 that extends beyond the stator core 510, and the end height refers to the axial dimension). For example, the end height can be reduced by approximately 50%. Assuming the axial dimensions of the starter are fixed and insulation requirements are met, the axial lengths of the stator 500 and rotor 600 can be maximized to improve the starter's performance.

[0076] The stator 500 may further include a potting portion 530 . The potting portion 530 may cover the end of the stator winding 520 and fill the gap between the tooth slots. The potting portion 530 may be formed by potting the stator 500 with potting glue.

[0077] The potting compound has good insulation properties. Providing a potting portion 530 can improve the insulation level between the stator winding 520 and the external structure, help reduce the structural spacing between the stator winding 520 and the first end cover 200 and the second end cover 300, and increase the main magnetic circuit space. Therefore, in the embodiment of the present application, under the premise that the axial dimensions of the starting machine remain unchanged and meet the insulation requirements, the stator 500 and the rotor 600 are optimized and designed to maximize the effective core length of the stator 500 and the rotor 600, thereby further improving the output capacity and stability of the starting machine.

[0078] Rotor 600 is a surface-mounted rotor, comprising a rotor core and permanent magnets disposed on its periphery. The permanent magnets can be directly adhered to the outer surface of the rotor core, and a carbon fiber wrap 610 can be applied to the outer circumference of the rotor core by bonding. Compared to rotors with built-in permanent magnets, surface-mounted rotors eliminate the need for slots in the rotor core to accommodate the permanent magnets, provided the rotor core's outer diameter is fixed and structural strength is met. This effectively reduces radial wall thickness, lowering the rotor core's weight and contributing to the lightweight design of the starting machine.

[0079] It can be seen from the above embodiments that the starting and starting machine adopts a permanent magnet synchronous motor with a radial magnetic flux structure.

[0080] The rotating shaft 700 may include a rotor connecting shaft segment and an external connecting shaft segment arranged at at least one end of the rotor connecting shaft segment, the rotor connecting shaft segment is fixedly connected to the rotor, and the external connecting shaft segment is used to connect to an external mechanism, and the diameters of the rotor connecting shaft segment and the external connecting shaft segment are different.

[0081] Because each shaft section bears different loads, its diameter can be designed differently based on actual operating conditions. For example, the section connecting to the engine, which transmits greater torque, typically has the largest diameter to provide greater torsional rigidity and prevent torsional failure. The section connecting to the gearbox, however, bears less load and can have a correspondingly smaller diameter. This stepped shaft design avoids unnecessary material redundancy while maintaining structural strength, thereby achieving lightweighting for the shaft and, ultimately, the entire starter.

[0082] Specifically, the rotating shaft 700 may include a first shaft segment 710, a second shaft segment 720 and a third shaft segment 730 distributed in sequence along the axial direction. The second shaft segment 720 is fixedly connected to the rotor 600. The first shaft segment 710 can be connected to the crankshaft of the engine through an elastic connector. The third shaft segment 730 can be connected to the input shaft of the gearbox through an elastic connector. The diameter of the first shaft segment 710 can be larger than the diameter of the second shaft segment 720, and the diameter of the second shaft segment 720 can be larger than the diameter of the third shaft segment 730.

[0083] The second shaft segment 720 can extend into the center hole of the rotor core and realize torque transmission through interference fit, key connection or spline connection; a rotor bracket can also be provided between the second shaft segment 720 and the rotor core. The rotor bracket is sleeved on the second shaft segment 720 and fastened to the end face of the rotor core for axial positioning and enhancing the connection rigidity between the rotor and the second shaft segment 720.

[0084] The casing 100 may be provided with a cooling water channel and a water inlet and a water outlet connected to the cooling water channel. Without affecting the mounting holes on the casing 100, the space of the cooling water channel may be increased as much as possible to water-cool the stator 500 inside the casing 100, thereby improving heat dissipation capacity and enhancing the reliability of the starter.

[0085] Based on the above-mentioned integrated starter, an embodiment of the present application further provides a power system that can be used in a vehicle. The power system includes an engine, a transmission, and the above-mentioned integrated starter. The engine is connected to the first end cover 200, and the transmission is connected to the second end cover 300. Since the power system includes the above-mentioned integrated starter, the beneficial effects of the power system brought about by the integrated starter are described above and will not be repeated here.

[0086] The basic principles of the present application have been described above in conjunction with specific embodiments. However, it should be noted that the advantages, strengths, and effects mentioned in this application are merely illustrative and not restrictive, and it should not be assumed that these advantages, strengths, and effects are required of each embodiment of this application. In addition, the specific details disclosed above are merely illustrative and facilitating understanding, and are not restrictive. The above details do not limit this application to necessarily being implemented using the above specific details.

[0087] The block diagrams of the devices, devices, equipment, and systems involved in this application are merely illustrative examples and are not intended to require or imply that they must be connected, arranged, or configured in the manner shown in the block diagrams. As will be appreciated by those skilled in the art, these devices, devices, equipment, and systems can be connected, arranged, or configured in any manner. Words such as "include," "comprise," "have," and the like are open-ended words, meaning "including but not limited to," and can be used interchangeably therewith. The words "or" and "and" used herein refer to the words "and / or" and can be used interchangeably therewith, unless the context clearly indicates otherwise. The word "such as" used herein refers to the phrase "such as but not limited to," and can be used interchangeably therewith.

[0088] It should also be noted that in the apparatus, device, and method of the present application, each component or each step can be decomposed and / or recombined, and such decomposition and / or recombination should be regarded as equivalent solutions of the present application.

[0089] The above description of the disclosed aspects is provided to enable any person skilled in the art to make or use the present application. Various modifications to these aspects will be readily apparent to those skilled in the art, and the general principles defined herein may be applied to other aspects without departing from the scope of the present application. Therefore, the present application is not intended to be limited to the aspects shown herein, but rather to be accorded the widest scope consistent with the principles and novel features disclosed herein.

[0090] It should be understood that the qualifiers "first", "second", "third", "fourth", "fifth" and "sixth" used in the description of the embodiments of the present application are only used to more clearly illustrate the technical solutions and cannot be used to limit the scope of protection of the present application.

[0091] The above description has been provided for the purpose of illustration and description. Furthermore, this description is not intended to limit the embodiments of the present application to the forms disclosed herein. Although a number of example aspects and embodiments have been discussed above, those skilled in the art will recognize certain variations, modifications, alterations, additions, and sub-combinations thereof.

Claims

1. A hair raising machine, characterized in that: include: A housing (100) having an accommodating space extending axially through the housing (100); A first end cover (200) and a second end cover (300) are respectively connected to opposite ends of the housing (100) along the axial direction of the housing (100) to seal the accommodation space, and at least one of the first end cover (200) and the second end cover (300) forms a connecting end cover for connecting to an external mechanism; An operating space is provided at least partially on the peripheral wall of the starter, and is used for allowing a connecting member to pass through the operating space and the connecting end cover to connect with the external mechanism.

2. The hair starter according to claim 1, characterized in that: The first end cover (200) and the second end cover (300) both form the connecting end cover; The operating space includes a first space and a second space, wherein the first space and the second space are spaced apart along the axial direction of the housing (100), the first space is used for a first connector to pass through the first end cover (200) from the first space and connect to the external mechanism, and the second space is used for a second connector to pass through the second end cover (300) from the second space and connect to the external mechanism.

3. The hair starter according to claim 2, characterized in that: The first space includes a plurality of first subspaces (410) arranged along the circumference of the housing (100), and the second space includes a plurality of second subspaces (420) arranged along the circumference of the housing (100), wherein: The first subspace (410) comprises a first notch (411) and a second notch (412), wherein the first notch (411) is provided on a side of the housing (100) facing the first end cover (200), and the second notch (412) is provided on a side of the first end cover (200) facing the housing (100), and the first notch (411) and the second notch (412) are recessed in a direction away from each other and are arranged opposite to each other; The second subspace (420) comprises a third notch (421) and a fourth notch (422), wherein the third notch (421) is provided on a side of the housing (100) facing the second end cover (300), and the fourth notch (422) is provided on a side of the second end cover (300) facing the housing (100), and the third notch (421) and the fourth notch (422) are recessed in a direction away from each other and are arranged opposite to each other.

4. The hair starter according to claim 3, characterized in that: Along the circumference of the housing (100), the first notch (411) and the third notch (421) are staggered.

5. The hair starter according to claim 3, characterized in that: The first notch (411), the second notch (412), the third notch (421) and the fourth notch (422) are all arc-shaped notches, and the central angle of the arc-shaped notches is less than 180 degrees.

6. The hair starter according to claim 1, characterized in that: A first sealing layer is provided between the housing (100) and the first end cover (200) so that the housing (100) and the first end cover (200) are sealed and connected, and a second sealing layer is provided between the housing (100) and the second end cover (300) so that the housing (100) and the second end cover (300) are sealed and connected.

7. The hair starter according to claim 1, characterized in that: The hair starter is a flat structure, and the radial dimension of the hair starter is 4-5 times the axial dimension.

8. The hair starter according to claim 1, characterized in that: The all-in-one starter comprises a stator (500), a rotor (600) and a rotating shaft (700); the stator (500) is fixedly sleeved in the housing (100); the rotor (600) is rotatably sleeved in the stator (500); at least a portion of the rotating shaft (700) extends into the rotor (600) and rotates synchronously with the rotor (600); The stator (500) adopts a multi-stage, multi-slot, fractional-slot pole-slot matching structure; and / or, The stator (500) comprises a stator core (510) and a stator winding (520), wherein the pitch of the stator winding (520) is 1; and / or, The rotor (600) is a surface-mounted rotor, and a carbon fiber wrapping layer (610) is provided on the outer peripheral wall.

9. The hair starter according to claim 8, characterized in that: The stator core (510) comprises a plurality of stator teeth spaced apart in a circumferential direction and tooth slots formed between two adjacent stator teeth, and the stator winding (520) is wound around the stator teeth; The stator (500) further includes a potting portion (530), wherein the potting portion (530) covers the end of the stator winding (520) and fills the gaps in the tooth slots.

10. The hair starter according to claim 8, characterized in that: The rotating shaft (700) comprises a rotor connecting shaft section and an external connecting shaft section arranged at at least one end of the rotor connecting shaft section, wherein the rotor connecting shaft section is fixedly connected to the rotor, and the external connecting shaft section is used to connect to the external mechanism, and the rotor connecting shaft section and the external connecting shaft section have different diameters.

11. A power system, characterized in that: The invention comprises an engine, a gearbox and a starter as claimed in any one of claims 1 to 10, wherein the engine is connected to the first end cover (200), and the gearbox is connected to the second end cover (300).

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