CN117543906B - Power generation device and power generation system - Google Patents

Power generation device and power generation system Download PDF

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Publication number
CN117543906B
CN117543906B CN202410030443.9A CN202410030443A CN117543906B CN 117543906 B CN117543906 B CN 117543906B CN 202410030443 A CN202410030443 A CN 202410030443A CN 117543906 B CN117543906 B CN 117543906B
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CN
China
Prior art keywords
assembly
rotor
controller
power generation
generator
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202410030443.9A
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Chinese (zh)
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CN117543906A (en
Inventor
童毅
申国祥
刘建
王文奎
江慧亮
项仁江
张少秋
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Borg Warner Drive System Suzhou Co ltd
BorgWarner Automotive Components Wuhan Co Ltd
Original Assignee
Borg Warner Drive System Suzhou Co ltd
BorgWarner Automotive Components Wuhan Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Borg Warner Drive System Suzhou Co ltd, BorgWarner Automotive Components Wuhan Co Ltd filed Critical Borg Warner Drive System Suzhou Co ltd
Priority to CN202410030443.9A priority Critical patent/CN117543906B/en
Publication of CN117543906A publication Critical patent/CN117543906A/en
Application granted granted Critical
Publication of CN117543906B publication Critical patent/CN117543906B/en
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Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
    • H02K11/30—Structural association with control circuits or drive circuits
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K1/00—Details of the magnetic circuit
    • H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/12—Stationary parts of the magnetic circuit
    • H02K1/20—Stationary parts of the magnetic circuit with channels or ducts for flow of cooling medium
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K1/00—Details of the magnetic circuit
    • H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/22—Rotating parts of the magnetic circuit
    • H02K1/28—Means for mounting or fastening rotating magnetic parts on to, or to, the rotor structures
    • H02K1/30—Means for mounting or fastening rotating magnetic parts on to, or to, the rotor structures using intermediate parts, e.g. spiders
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
    • H02K11/04—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for rectification
    • H02K11/049—Rectifiers associated with stationary parts, e.g. stator cores
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/02—Additional mass for increasing inertia, e.g. flywheels
    • H02K7/025—Additional mass for increasing inertia, e.g. flywheels for power storage
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K9/00—Arrangements for cooling or ventilating
    • H02K9/19—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)

Abstract

The present application relates to a power generation device and a power generation system, the power generation device includes: the generator assembly comprises a stator assembly, wherein an accommodating space is arranged in the stator assembly; and the controller assembly can be partially embedded in the accommodating space. According to the application, the accommodating cavity is arranged in the stator assembly to release the internal space of the stator assembly, so that the internal space of the stator assembly can be utilized when the controller assembly is arranged, the controller assembly is partially embedded into the stator assembly, the integration level of the generator assembly and the controller assembly is improved, the volume of the power generation device is reduced, and the occupation of the whole vehicle space is reduced.

Description

Power generation device and power generation system
Technical Field
The invention relates to the technical field of automobile power generation systems, in particular to a power generation device and a power generation system.
Background
As a power generation system in a new energy automobile, an integration mode of a generator and a controller is particularly important.
At present, two types of integration modes of a generator and a controller are mainly adopted, one type of integration mode is a power generation device disclosed in a patent number CN105564220B, the controller is arranged on the side edge of the generator, the other type of integration mode is a power generation device disclosed in a patent number CN104167861B, the controller is arranged above the generator, the two types of integration mode structures are complex, the whole size is large, and the occupied whole vehicle space is large.
Disclosure of Invention
Based on the expression, the invention provides a power generation device and a power generation system, which are used for solving the problems that in the related art, controllers are arranged on the side or above a power generator, the two arrangement forms are complex in structure, the whole size is large, and the occupied space of the whole vehicle is large.
The technical scheme for solving the technical problems is as follows:
In a first aspect, the present application provides a power generation device, which adopts the following technical scheme:
a power generation device, comprising:
The generator assembly comprises a stator assembly, wherein an accommodating space is arranged in the stator assembly;
And the controller assembly can be partially embedded in the accommodating space.
On the basis of the technical scheme, the invention can be improved as follows.
Preferably, the controller assembly includes:
The cooling device comprises a cooling cylinder which can be embedded in the accommodating space, and a mounting cavity is arranged in the cooling cylinder;
and the controller is connected to the cooling device and is partially embedded in the mounting cavity.
Preferably, the controller comprises capacitor modules and PCBA modules distributed along a first linear direction, and the capacitor modules are embedded in the mounting cavity.
Preferably, the controller further comprises a high-voltage direct current module, wherein the high-voltage direct current module is arranged in the installation cavity and distributed with the capacitor module in a plane perpendicular to the first linear direction.
Preferably, the cooling device comprises a cooling plate, the plane of the cooling plate is perpendicular to the first straight line direction, and the cooling plate and the cooling cylinder are integrally formed.
Preferably, one end of the cooling cylinder along the first straight line direction is provided with an opening, the cooling plate surrounds the cooling cylinder and is positioned at the opening end of the cooling cylinder, and the cooling plate and the cooling cylinder are integrally formed.
Preferably, the cooling cylinder is connected with a water inlet interface and a water outlet interface, and the water inlet interface and the water outlet interface are distributed on two sides of the cooling cylinder along the direction perpendicular to the first linear direction.
Preferably, the controller assembly further comprises a controller housing, the controller housing is covered outside the controller, the cooling device is connected to the controller housing, and the controller housing is used for being connected with the generator assembly.
Preferably, the stator assembly is annular, and an accommodating space is formed inside the stator assembly.
Preferably, the generator assembly further comprises a rotor assembly, the rotor assembly comprises a rotor in a ring shape, the rotor ring is arranged outside the stator assembly, and the rotor assembly can rotate around the rotor axis relative to the stator assembly.
Preferably, the rotor assembly further comprises a rotor support, the rotor support comprises a connecting disc, the rotor is connected to the connecting disc, the connecting disc comprises a connecting surface perpendicular to the axis of the rotor, a plurality of connecting holes are formed in the connecting surface, and the connecting holes are arranged at intervals around the axis of the rotor.
Preferably, the rotor support further comprises a support cylinder, wherein the support cylinder is coaxial with the rotor and connected with the connecting disc, and the rotor is positioned in the support cylinder and connected to the support cylinder.
Preferably, the generator assembly is arranged and connected with the controller assembly along the axial direction of the rotor.
Preferably, the generator assembly further comprises a generator housing, the generator housing comprises a mounting cylinder, the mounting cylinder is embedded in the accommodating space and is connected with the stator assembly, an accommodating cavity is formed in the mounting cylinder, and the accommodating cavity is suitable for being partially embedded by the controller assembly.
Preferably, the generator housing comprises a housing connected with the mounting cylinder, and the housing covers the stator assembly and is used for being connected with the controller assembly.
Preferably, the motor further comprises a generator housing, wherein the stator assembly and the rotor assembly are arranged in the generator housing, and the generator housing is used for being connected with the controller assembly.
Preferably, the generator housing is integrally formed.
Preferably, the generator assembly and the controller assembly are detachably connected.
Preferably, the generator assembly further comprises a rotary stator and a rotary rotor, the rotary stator is connected with the stator assembly, the rotary stator is annular and coaxial with the rotor, and the rotary rotor is connected to the rotor assembly and located in the rotary stator.
In a second aspect, embodiments of the present application provide a power generation system comprising a power generation device and an engine as described above.
Compared with the prior art, the technical scheme of the application has the following beneficial technical effects:
1. In the power generation device, the accommodating space is arranged in the stator assembly to release the internal space of the stator assembly, the internal space of the stator assembly can be utilized when the controller assembly is arranged, the controller assembly is partially embedded into the stator assembly, the integration level of the power generation assembly and the controller assembly is improved, the volume of the power generation device is reduced, and the occupation of the whole vehicle space is reduced;
2. According to the application, the controller assembly structure is designed according to the stator assembly structure, the cooling cylinder is embedded into the inner side of the stator assembly, a mounting cavity is formed in the cooling cylinder to accommodate the controller component, the stator assembly and the controller can be effectively cooled through the cooling cylinder, and the cooling system is simple to arrange;
3. In the controller assembly, the capacitor modules and the PCBA modules of the controller are distributed along the first linear direction, the capacitor modules and the high-voltage direct current modules are embedded in the cooling cylinder and distributed in a plane perpendicular to the first linear direction, so that the volume of the controller in the first linear direction can be reduced, the first linear direction is parallel to the rotating shaft of the rotor in the generator assembly during design, the occupation of the controller on the axial direction of the rotating shaft of the generator rotor can be reduced, and the water inlet interface and the water outlet interface are also distributed in the plane perpendicular to the first linear direction, so that the occupation of the controller assembly on the axial direction of the rotating shaft of the generator rotor is further reduced;
4. The generator shell comprises the shell and the mounting cylinder, the mounting cylinder can facilitate the mounting of the stator assembly, meanwhile, the mounting cylinder and the shell form the generator shell to wrap the generator part inside to form an integrated generator assembly, the controller shell, the cooling device and the controller in the controller assembly form an integrated controller assembly, and the generator assembly and the controller assembly are connected in a separable way, so that the generator assembly and the controller assembly can be used as independent products or combined to form a generator assembly product respectively, and the market demand is met;
5. In the rotor assembly, the connecting disc of the rotor bracket is provided with the connecting surface and the plurality of connecting holes, so that the rotor bracket and the engine crankshaft are conveniently connected through bolts, structures such as an intermediate connecting shaft and the like are omitted, the number of parts is reduced, and the overall weight of the assembly is reduced;
6. In the power generation device, the engine outputs power to drive the rotor assembly to rotate, and the rotor assembly interacts with the stator assembly on the inner side of the rotor assembly to generate power and output when the rotor assembly rotates, and the rotor assembly is used as a generator rotor and a flywheel to store rotational kinetic energy so as to reduce the fluctuation of output torque of the engine, and replaces the traditional flywheel vibration reduction structure to reduce the number of parts and the arrangement space.
Drawings
FIG. 1 is a schematic diagram of a power generation system according to an embodiment of the present invention;
FIG. 2 is an exploded view of a power generation system provided by an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a power generation device according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a rotor assembly in a power generation device according to an embodiment of the present invention;
FIG. 5 is a cross-sectional view of a rotor assembly in a power generation assembly according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a controller in a power generation device according to an embodiment of the present invention.
In the drawings, the list of components represented by the various numbers is as follows:
1. An engine; 11. a crankshaft; 2. a generator assembly; 21. a generator housing; 211. a mounting cylinder; 212. a housing; 22. a stator assembly; 23. a rotor assembly; 231. a rotor bracket; 2311. a support cylinder; 2312. a connecting disc; 23121. a connection surface; 23122. a connection hole; 232. a rotor; 24. a rotating stator; 25. a rotor; 3. a controller assembly; 31. a cooling device; 311. a cooling cylinder; 312. a cooling plate; 313. a water inlet port; 314. a water outlet interface; 32. a controller; 321. a capacitance module; 322. a PCBA module; 323. a high voltage DC module; 3231. direct current copper bars; 324. a low-pressure interface of the whole vehicle; 325. a high voltage DC interface; 33. a controller housing.
Detailed Description
In order that the application may be readily understood, a more complete description of the application will be rendered by reference to the appended drawings. Embodiments of the application are illustrated in the accompanying drawings. This application may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application.
It will be understood that spatially relative terms, such as "under", "below", "beneath", "under", "above", "over" and the like, may be used herein to describe one element or feature's relationship to another element or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use and operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements or features described as "under" or "beneath" other elements would then be oriented "on" the other elements or features. Thus, the exemplary terms "below" and "under" may include both an upper and a lower orientation. Furthermore, the device may also include an additional orientation (e.g., rotated 90 degrees or other orientations) and the spatial descriptors used herein interpreted accordingly.
It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or be connected to the other element through intervening elements. In the following embodiments, "connected" is understood to mean "electrically connected", "communicatively connected", and the like, if the connected circuits, modules, units, and the like have electrical or data transferred therebetween.
As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and/or "comprising," and/or the like, specify the presence of stated features, integers, steps, operations, elements, components, or groups thereof, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, or groups thereof.
Referring to fig. 1-6, an embodiment of the present application provides a power generation system including an engine 11 and a power generation device for connecting to the engine 11 to convert mechanical energy output from the engine 11 into electrical energy and store the electrical energy in a battery.
Referring to fig. 1 to 3, the power generation apparatus includes a power generator assembly 2 and a controller assembly 3, the power generator assembly 2 is configured to be connected to an engine 1 and convert mechanical energy output from the engine 1 into electrical energy for output, and the controller assembly 3 is configured to rectify alternating current of the power generator assembly 2 into direct current for output to a battery.
Referring to fig. 1-3, the generator assembly 2 includes a generator housing 21, a stator assembly 22, and a rotor assembly 23.
Referring to fig. 2-5, in which the rotor assembly 23 is connected to the crankshaft 11 of the engine 1 to drive the rotor assembly 23 to rotate by the engine 1, specifically, the rotor assembly 23 includes a rotor support 231 and a rotor 232 having a ring shape, the rotor 232 is connected to the rotor support 231 and is coaxial with the crankshaft 11 of the engine 1, and the rotor support 231 is connected to the crankshaft 11 of the engine 1; the rotor support 231 includes a support cylinder 2311 and a connection disc 2312, the support cylinder 2311 is coaxial with the rotor 232 and is connected with the connection disc 2312, the rotor 232 is located in the support cylinder 2311 and is connected to the support cylinder 2311, the connection disc 2312 is located in the support cylinder 2311 and is connected with the support cylinder 2311, the connection disc 2312 includes a connection surface 23121 perpendicular to the axis of the rotor 232, a plurality of connection holes 23122 are formed in the connection surface 23121, and the plurality of connection holes 23122 are arranged around the axis of the rotor 232 at intervals. In this embodiment, the rotor 232 and the support cylinder 2311 are in interference fit, the connection disc 2312 is connected to one end of the support cylinder 2311, the end, away from the connection disc 2312, of the support cylinder 2311 is used for limiting the rotor 232 by spin riveting, the connection disc 2312 and the support cylinder 2311 are integrally formed to form a rotor support 231, the middle part of the connection disc 2312 is arranged to be perpendicular to the axis of the rotor 232 in a plane shape to form a connection surface 23121, the connection hole 23122 is a through hole, and correspondingly, a flange plate matched with the connection surface 23121 is arranged on the crankshaft 11 of the engine 1 so as to connect the connection disc 2312 with the crankshaft 11 of the engine 1 through bolts, so that the connection of the rotor assembly 23 and the crankshaft 11 of the engine 1 is realized.
Through the arrangement, on one hand, the rotor support 231 plays a role of connecting the rotor 232 and the crankshaft 11, meanwhile, the rotor support 231 can serve as a flywheel to stabilize the output torque of the engine 1, and when the generator is designed, the weights of the rotor support 231 and the rotor 232 iron core can be adjusted according to the needs to adapt to the rotational inertia demands of the crankshafts 11 of different engines 1; on the other hand, the rotor bracket 231 is fixedly connected to the crankshaft 11 by providing the connection surface 23121 on the connection plate 2312, so that the structure is simple, the number of parts is reduced, and the overall weight of the assembly is reduced without adding additional connection structures such as a connection shaft.
1-3, Further, the stator assembly 22 is disposed inside the rotor 232, i.e., the rotor 232 is disposed around the stator assembly 22, and the rotor 232 is rotatable about its axis relative to the stator assembly 22; the stator assembly 22 is provided with a receiving space for partially embedding the controller assembly 3, and correspondingly, the controller assembly 3 is partially arranged to be embedded in the receiving space.
Referring to fig. 1-3, in particular, in this embodiment, the stator assembly 22 is annular, the inner side thereof forms a receiving space, and the stator assembly 22 and the rotor 232 are coaxial; the generator housing 21 is covered outside the stator assembly 22 and the rotor assembly 23 and is connected with the engine 1, the stator assembly 22 is connected to the generator housing 21, so that when the generator assembly 2 is connected to the engine 1, the stator assembly 22 is fixed with the engine 1, and when the engine 1 outputs power to drive the rotor assembly 23 to rotate, mechanical energy is converted into electric energy through the cooperation of the rotor assembly 23 and the stator assembly 22.
In this embodiment, in the stator assembly 22, the stator winding controls the end height at a set value through an external wire inlet process and an S-Winding winding technology, so as to realize a compact axial space, cancel the end welding point, and reduce both the end height and the welding resistance, thereby improving the efficiency.
Referring to fig. 1-3, further, in order to enable the controller assembly 3 to be partially embedded in the accommodating space inside the stator assembly 22, the generator housing 21 is configured to include a casing 212 and a mounting cylinder 211, wherein the mounting cylinder 211 is embedded in the accommodating space and is connected with the stator assembly 22, and an accommodating cavity is provided in the mounting cylinder 211, and the accommodating cavity is suitable for the controller assembly 3 to be partially embedded.
Specifically, the mounting cylinder 211 is adapted to the accommodating space inside the stator assembly 22, and an accommodating cavity of the mounting cylinder 211 is provided with an opening along the axial direction of the stator assembly 22 and at one end far away from the engine 1, so that the controller assembly 3 can be embedded into the accommodating cavity, and the accommodating cavity of the mounting cylinder 211 is provided with no opening along the axial direction of the stator assembly 22 and at one end near the engine 1 but is provided with a circuit hole for externally connecting the generator, etc.; the housing 212 is provided outside the stator assembly 22 and the rotor assembly 23 and integrally formed with the mounting cylinder 211, and the housing 212 is connected to the engine 1 by bolts. In this embodiment, the rotor 232 and the stator assembly 22 are both in a ring shape, and the mounting cylinder 211 is in a cylindrical shape and coaxial with the stator assembly 22, and the stator assembly 22 surrounds the mounting cylinder 211 and is fixed with the mounting cylinder 211. With the above arrangement, the generator housing 21 formed by the mounting cylinder 211 and the housing 212 encloses the stator assembly 22 and the rotor assembly 23 to form the integrated generator assembly 2, while the housing cavity within the mounting cylinder 211 reserves space for the arrangement of the controller assembly 3.
Referring to fig. 2-3, further, the generator assembly 2 further includes a rotary stator 24 and a rotary rotor 25, the rotary stator 24 is connected with the stator assembly 22, the rotary stator 24 is annular and coaxial with the rotor 232, and the rotary rotor 25 is connected with the rotor assembly 23 and is located in the rotary stator 24; specifically, the rotary stator 24 is fixedly connected to the mounting cylinder 211, the end surface of the mounting cylinder 211, which is close to the engine 1, is recessed into the accommodating cavity to form an accommodating groove for accommodating the rotary stator 24, the rotary stator 24 is positioned in the accommodating groove and fixed on the mounting cylinder 211, the rotary rotor 25 is fixedly connected to the connecting disc 2312 and is coaxial with the rotor 232, the rotary rotor 25 is positioned at the inner side of the rotary stator 24, the rotary rotor 25 rotates along with the rotor assembly 23 and cooperates with the rotary stator 24 to generate current, and the controller 32 monitors the current to realize the monitoring of the rotation speed of the generator.
Referring to fig. 1-3, further, the controller assembly 3 is configured to be connected to the generator housing 21, and the structure of the controller assembly 3 is designed according to the structure of the generator assembly 2; the generator housing 21 is provided with the mounting cylinder 211, the mounting cylinder 211 is embedded into the stator assembly 22 and forms a containing cavity, namely, the containing cavity is positioned in a containing space on the inner side of the stator assembly 22, so that the controller assembly 3 is contained by utilizing the space on the inner side of the stator assembly 22, and the containing cavity is positioned at one end of the generator assembly 2 along the axial direction of the stator assembly 22 and is far away from the engine 1, and therefore, the controller assembly 3 and the generator assembly 2 are distributed in the axial direction of the stator assembly 22 when the controller assembly 3 is arranged; when the power generation device is connected to the engine 1, the controller assembly 3 and the motor assembly are arranged in the axial direction of the crankshaft 11, and the generator assembly 2 is located between the controller assembly 3 and the engine 1.
The controller assembly 3 includes a cooling device 31, a controller 32, and a controller housing 33.
Referring to fig. 2 to 3, the cooling device 31 includes a cooling cylinder 311 and a cooling plate 312, the cooling cylinder 311 is provided in the installation cavity for accommodating a part of the controller 32, and the cooling cylinder 311 is provided to be embedded in the accommodation cavity; specifically, the shape of the cooling cylinder 311 is designed according to the shape of the accommodating cavity in the mounting cylinder 211, so that the gap between the cooling cylinder 311 and the mounting cylinder 211 is as small as possible when the cooling cylinder 311 is embedded in the accommodating cavity, thereby fully utilizing the accommodating cavity and making the mounting cavity as large as possible.
Referring to fig. 2-3, in the present embodiment, the cooling cylinder 311 is cylindrical and coaxial with the stator assembly 22, one end of the cooling cylinder 311 along the axial direction of the stator assembly 22 is provided with an opening for the controller 32 to be partially embedded into the installation cavity, and the other end is provided with a wire passing hole for the passage of a wire; the plane of the cooling plate 312 is perpendicular to the axis of the stator assembly 22, the cooling plate 312 surrounds the cooling cylinder 311 and is positioned at the opening end of the cooling cylinder 311, the cooling plate 312 and the cooling cylinder 311 are integrally formed, correspondingly, a cooling water channel is arranged in the cooling plate 312 and the cooling cylinder 311, and the cooling plate 312 is connected with a water inlet 313 and a water outlet 314 so that the cooling plate 312 is connected with a cooling water channel of the whole vehicle to realize cooling water circulation; the water inlet ports 313 and the water outlet ports 314 are disposed on either side of the cooling plate 312 in a direction perpendicular to the axis of the stator assembly 22.
Referring to fig. 2-3 and 6, the controller 32 is connected to the cooling device 31 and is partially embedded in the installation cavity, the controller 32 includes a capacitor module 321, a PCBA module 322 and a high-voltage direct current module 323, the capacitor module 321 and the PCBA module 322 are distributed along a first linear direction, and the capacitor module 321 is embedded in the installation cavity of the cooling cylinder 311; specifically, the first linear direction is a direction parallel to the axis of the stator assembly 22, the hvdc module 323 is also embedded in the mounting cavity of the cooling cylinder 311, and the hvdc module 323 and the capacitor module 321 are distributed in a plane perpendicular to the first linear direction, and the PCBA module 322 is located outside the mounting cavity and is fixed on the cooling plate 312 by bolts; in the design process, the shape of the capacitor module 321 is designed according to the installation cavity in the cooling cylinder 311, so that the flashlight module is accommodated in the installation cavity and the installation cavity is fully utilized; the capacitor module 321 and the hvdc module 323 are arranged with the mounting cavity to reduce the space occupied by the controller assembly 3 in the axial direction of the stator assembly 22.
Referring to fig. 6, the hvth module 323 is connected to the hvth interface 325 through a dc copper bar 3231 to connect with the hvth line of the whole vehicle, the PCB plane in the PCBA module 322 is perpendicular to the axis of the stator assembly 22, and the PCBA module 322 has a power module assembly and a low voltage interface 324 integrated thereon.
As shown in fig. 2-3 and 6, further, the water inlet port 313, the water outlet port 314 and the PCBA module 322 are all distributed on a plane perpendicular to the axis of the stator assembly 22, that is, the sub-assembly of the controller 32 and the water inlet and outlet ports of the cooling device 31 are arranged on a plane perpendicular to the axis of the stator assembly 22, so that the axial space occupied by the controller assembly 3 in the crankshaft 11 of the engine 1 is further reduced.
Referring to fig. 2-3, the controller housing 33 is connected to the generator housing 21 and covers the controller 32, specifically, the cooling plate 312 is located in the controller housing 33 and is connected to the controller housing 33 through bolts, and flange surfaces matched with each other are provided on the controller housing 33 and the generator housing 21 so as to connect the generator assembly 2 and the controller assembly 3 through bolts, and simultaneously, the generator assembly 2 and the controller assembly 3 are detachably connected; the cooling device 31 and the controller housing 33 encapsulate the controller 32 therein to form an integrated controller assembly 3, and the protection level requirements of the IP and IPKK can be met for the controller assembly 3.
Specifically, the water inlet 313 and the water outlet 314 both penetrate out of the controller housing 33 to connect with a cooling waterway of the whole vehicle, the high-voltage direct-current interface 325 is located outside the controller housing 33 and connected to the controller housing 33, and connected to the direct-current copper bar 3231 penetrating through the controller housing 33, so that the high-voltage direct-current module 323 is connected to the high-voltage direct-current plug-in unit of the whole vehicle through the high-voltage direct-current interface 325; in this embodiment, the water inlet 313 passes through the controller housing 33 in a posture in which the axis forms an angle with the axis of the stator assembly 22 and is inclined in a direction away from the engine 1, and the water outlet 314 passes through the controller housing 33 in a posture perpendicular to the axis of the stator assembly 22.
The application has the following advantages:
1. the novel structural arrangement form adopts a generator structure that a stator is arranged on the inner side of a rotor 232, and releases the inner space of the stator assembly 22 for arranging the controller assembly 3, so that the axial space is reserved for the whole vehicle as much as possible.
2. The rotor 232 is multifunctional, the rotor assembly 23 can generate electric energy output with the stator assembly 22, and can replace a flywheel to store rotational kinetic energy so as to reduce torque fluctuation of the crankshaft 11 of the engine 1, and the engine 1 omits a torsional damper, thereby further reducing cost.
3. The efficient thermal management system adopts the structural form of the cooling plate 312 and the cooling cylinder 311 and is embedded into the generator assembly 2, so that an effective cooling effect can be achieved on both the generator and the controller 32, and the continuous power output of the power generation is ensured.
4. The generator assembly 2 and the controller assembly 3 are designed integrally, achieving high mass power density and high volumetric power density.
5.The generator assembly 2 and the controller assembly 3 are respectively integrated and designed, can be respectively used as independent products, can be combined to be used as assembly products, and can meet market demands.
The foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the invention are intended to be included within the scope of the invention.

Claims (12)

1. A power generation device, characterized by comprising:
A generator assembly (2) comprising a stator assembly (22), wherein an accommodating space is arranged in the stator assembly (22);
The controller assembly (3) can be partially embedded in the accommodating space, and the controller assembly (3) is detachably connected with the generator assembly (2);
The generator assembly (2) further comprises a generator shell (21), the generator shell (21) comprises a mounting cylinder (211) and a shell (212) connected with the mounting cylinder (211), the mounting cylinder (211) is embedded in the accommodating space and is connected with the stator assembly (22), an accommodating cavity is formed in the mounting cylinder (211), the accommodating cavity is suitable for being partially embedded by the controller assembly (3), and the shell (212) is covered outside the stator assembly (22) and is used for being connected with the controller assembly (3);
The controller assembly (3) comprises:
The cooling device (31) comprises a cooling cylinder (311), the cooling cylinder (311) can be embedded in the accommodating space, and an installation cavity is arranged in the cooling cylinder (311);
The controller (32) is connected to the cooling device (31) and is partially embedded in the mounting cavity, the controller (32) comprises capacitor modules (321) and PCBA modules (322) distributed along a first linear direction, the capacitor modules (321) are embedded in the mounting cavity, and the first linear direction is parallel to the rotation axis of the rotor in the generator assembly (2);
A controller housing (33) which is covered outside the controller (32), wherein the cooling device (31) is connected to the controller housing (33), and the controller housing (33) is used for being connected with the generator assembly (2);
the cooling device (31) further comprises a cooling plate (312), the plane of the cooling plate (312) is perpendicular to the first straight line direction, one end of the cooling cylinder (311) along the first straight line direction is provided with an opening, the cooling plate (312) surrounds the cooling cylinder (311) and is positioned at the opening end of the cooling cylinder (311), the cooling plate (312) is integrally formed with the cooling cylinder (311), and the cooling plate (312) is positioned in the controller shell (33) and is connected with the controller shell (33) through bolts.
2. The power generation device of claim 1, wherein: the controller (32) further comprises a high-voltage direct-current module (323), wherein the high-voltage direct-current module (323) is arranged in the installation cavity and distributed with the capacitor module (321) in a plane perpendicular to the first linear direction.
3. The power generation device of claim 1, wherein: the cooling cylinder (311) is connected with a water inlet interface (313) and a water outlet interface (314), and the water inlet interface (313) and the water outlet interface (314) are distributed on two sides of the cooling cylinder (311) along the direction perpendicular to the first linear direction.
4. The power generation device of claim 1, wherein: the stator assembly (22) is annular, and an accommodating space is formed inside the stator assembly (22).
5. The power generation device of claim 1, wherein: the generator assembly (2) further comprises a rotor assembly (23), the rotor assembly (23) comprises a rotor (232) in a ring shape, the rotor (232) is arranged outside the stator assembly (22) in a ring shape, and the rotor assembly (23) can rotate around the axis of the rotor (232) relative to the stator assembly (22).
6. The power generation device according to claim 5, wherein: the rotor assembly (23) comprises a rotor support (231), the rotor support (231) comprises a connecting disc (2312), the rotor (232) is connected to the connecting disc (2312), the connecting disc (2312) comprises a connecting surface (23121) perpendicular to the axis of the rotor (232), a plurality of connecting holes (23122) are formed in the connecting surface (23121), and the connecting holes (23122) are arranged at intervals around the axis of the rotor (232).
7. The power generation apparatus of claim 6, wherein: the rotor support (231) further comprises a support cylinder (2311), the support cylinder (2311) is coaxial with the rotor (232) and connected with the connecting disc (2312), and the rotor (232) is located in the support cylinder (2311) and connected to the support cylinder (2311).
8. The power generation device according to claim 5, wherein: the generator assembly (2) and the controller assembly (3) are axially arranged along the rotor (232) and connected.
9. The power generation device according to claim 5, wherein: the motor further comprises a generator shell (21), wherein the stator assembly (22) and the rotor assembly (23) are arranged in the generator shell (21), and the generator shell (21) is used for being connected with the controller assembly (3).
10. The power generation device of claim 1, wherein: the generator housing (21) is integrally formed.
11. The power generation device according to claim 5, wherein: the generator assembly (2) further comprises a rotary stator (24) and a rotary rotor (25), the rotary stator (24) is connected with the stator assembly (22), the rotary stator (24) is annular and coaxial with the rotor (232), and the rotary rotor (25) is connected to the rotor assembly (23) and located in the rotary stator (24).
12. A power generation system, characterized by comprising a power generation device according to any one of claims 1-11 and an engine (1).
CN202410030443.9A 2024-01-09 2024-01-09 Power generation device and power generation system Active CN117543906B (en)

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009013302A1 (en) * 2007-07-25 2009-01-29 Siemens Aktiengesellschaft Electrical machine with openings in the bearing shield
CN106899096A (en) * 2015-12-16 2017-06-27 德昌电机(深圳)有限公司 Motor
CN110729857A (en) * 2019-12-01 2020-01-24 文武 Automobile range extender
WO2021037006A1 (en) * 2019-08-26 2021-03-04 上海汽车变速器有限公司 Three-in-one electric drive assembly structure
CN115065198A (en) * 2022-06-09 2022-09-16 哈尔滨东安汽车动力股份有限公司 Split type range-extending generator system structure
WO2022227630A1 (en) * 2021-04-28 2022-11-03 中国第一汽车股份有限公司 Electric motor cooling system, electric motor and vehicle

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009013302A1 (en) * 2007-07-25 2009-01-29 Siemens Aktiengesellschaft Electrical machine with openings in the bearing shield
CN106899096A (en) * 2015-12-16 2017-06-27 德昌电机(深圳)有限公司 Motor
WO2021037006A1 (en) * 2019-08-26 2021-03-04 上海汽车变速器有限公司 Three-in-one electric drive assembly structure
CN110729857A (en) * 2019-12-01 2020-01-24 文武 Automobile range extender
WO2022227630A1 (en) * 2021-04-28 2022-11-03 中国第一汽车股份有限公司 Electric motor cooling system, electric motor and vehicle
CN115065198A (en) * 2022-06-09 2022-09-16 哈尔滨东安汽车动力股份有限公司 Split type range-extending generator system structure

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