CN216086290U - Range extender motor of cylinder supporting structure - Google Patents

Range extender motor of cylinder supporting structure Download PDF

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Publication number
CN216086290U
CN216086290U CN202121826458.4U CN202121826458U CN216086290U CN 216086290 U CN216086290 U CN 216086290U CN 202121826458 U CN202121826458 U CN 202121826458U CN 216086290 U CN216086290 U CN 216086290U
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China
Prior art keywords
motor
rotor
motor shell
fixedly connected
cylinder supporting
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CN202121826458.4U
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Chinese (zh)
Inventor
曾强
郑高照
林志强
毛正松
吴苾曜
陈涛
欧阳石坤
吴天华
司政勇
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Guangxi Yuchai Machinery Co Ltd
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Guangxi Yuchai Machinery Co Ltd
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Priority to CN202121826458.4U priority Critical patent/CN216086290U/en
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/16—Mechanical energy storage, e.g. flywheels or pressurised fluids
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/62—Hybrid vehicles
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/64—Electric machine technologies in electromobility
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries

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  • Motor Or Generator Cooling System (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)

Abstract

The utility model discloses a range extender motor of a cylinder supporting structure, which comprises a motor shell, a rotor, a junction box, a stator assembly, a rotary transformer, an end cover, a bearing and a cylinder supporting shaft, wherein the rotor is arranged on the motor shell; one end of the motor shell is fixedly connected with the engine body, and the other end of the motor shell is fixedly connected with the end cover; one end of the rotor bracket is coaxially and fixedly connected with a flywheel of the engine, and an inner ring of the rotor bracket is rotationally connected with the cylinder supporting shaft through a bearing; one end of the cylindrical support shaft is fixedly connected with the end cover, the other end of the cylindrical support shaft is provided with a mounting hole, the flywheel is provided with a mounting seat extending to the mounting hole, and the fixed end and the rotating end of the rotary transformer are fixedly mounted on the inner ring of the mounting hole and the outer ring of the mounting seat respectively; and a multi-ring cooling water channel is also arranged in the side wall of the motor shell. The range extender motor with the cylindrical supporting structure has the advantages of high stability and reliability, convenience in disassembly and assembly and high cooling efficiency.

Description

Range extender motor of cylinder supporting structure
Technical Field
The utility model relates to a motor structure, in particular to a range extender motor of a cylinder supporting structure.
Background
At present, in order to increase the endurance mileage of a pure electric vehicle, an extended range electric vehicle becomes a new energy vehicle development trend, and the extended range electric vehicle can use an engine to supply electric energy under the condition of insufficient battery power. The conventional range extender is connected with a motor rotor through an engine crankshaft, and converts energy generated by an engine into electric energy to charge a battery, so that the endurance mileage of the electric automobile is improved.
In the prior art, for example, chinese patent CN108995542A discloses a range extender for an electric vehicle with an integrated motor, which includes: an engine body; an engine output shaft; a connecting plate; a generator; the generator comprises a rotary transformer, a motor rotor assembly, a motor stator assembly, a motor shell and a motor rear cover plate, wherein the motor shell is fixed on the connecting plate, and the motor stator assembly is put into the motor shell from the front end of the motor shell and is sleeved on the motor shell in a hot mode; the motor rotor assembly is coaxially disposed within the motor stator assembly and has a motor rotor support that extends into the connection plate and is directly connected to the engine output shaft, the resolver comprising: a resolver stator and a resolver rotor. Although the compactness and stability of the whole structure are improved in the prior art, the mounting structure of the rotary transformer in the motor structure is limited, the rotary transformer is not easy to disassemble, assemble and maintain, the stability and reliability of the motor are poor, and the cooling effect is poor.
SUMMERY OF THE UTILITY MODEL
In view of the above problems, the present invention provides a range extender motor with a cylindrical support structure, and aims to solve the problems of limited mounting structure of a rotary transformer, difficulty in disassembly and maintenance, poor stability and reliability of a motor, poor cooling effect, etc. in the existing motor structure.
The utility model adopts the following technical scheme to realize the purpose:
a range extender motor of a cylinder supporting structure is used for being matched and installed with an engine and comprises a motor shell, a rotor, a junction box, a stator assembly, a rotary transformer, an end cover, a bearing and a cylinder supporting shaft; one end of the motor shell is fixedly connected with the engine body, and the other end of the motor shell is fixedly connected with the end cover; the rotor comprises a rotor bracket and a rotor assembly fixedly connected with the outer ring of the rotor bracket; one end of the rotor bracket is coaxially and fixedly connected with a flywheel of an engine, and an inner ring of the rotor bracket is rotationally connected with the cylinder supporting shaft through a bearing; one end of the cylinder support shaft is fixedly connected with the end cover, the other end of the cylinder support shaft is provided with a mounting hole, the flywheel is provided with a mounting seat extending to the mounting hole, and the inner ring of the mounting hole and the outer ring of the mounting seat are respectively fixedly provided with a fixed end and a rotating end of the rotary transformer; the stator assembly is fixedly arranged on the side wall of the motor shell opposite to the rotor assembly; a multi-ring cooling water channel is further arranged inside the side wall of the motor shell; the junction box is fixedly connected to the outer ring of the motor shell.
According to the technical scheme, the bearing inner ring is sleeved on the outer ring of the cylinder support shaft, the outer ring is fixed on the rotor support inner ring, and the cylinder support shaft plays a supporting role on the rotor assembly through the bearing, so that the stability and reliability of the range extender are improved; the motor shell adopts a multi-ring cooling water channel, so that the structure is simple and the cooling effect is good; the flywheel is integrated with the motor, so that the length of the motor is shortened; the junction box is integrated on the motor shell, so that the structure is simple and the installation is convenient; the rotary transformer is arranged at the position where the cylinder supporting shaft is matched with the flywheel, so that the assembly and disassembly are convenient.
The further technical scheme is that the end cover and the cylinder supporting shaft are of an integrally formed structure, and a cover plate detachably connected is further arranged at the end part of the cylinder supporting shaft connected with the end cover.
This technical scheme adopts integrated into one piece's structural design for motor sound construction, stability, resolver measurement angle signal are accurate, stable.
The utility model has the beneficial effects that:
according to the range extender motor with the cylindrical support structure, the inner ring of the bearing is sleeved on the outer ring of the cylindrical support shaft, the outer ring of the bearing is fixed on the inner ring of the rotor bracket, and the cylindrical support shaft plays a supporting role on the rotor assembly through the bearing, so that the stability and reliability of the range extender are improved; the motor shell adopts a multi-ring cooling water channel, so that the structure is simple and the cooling effect is good; the flywheel is integrated with the motor, so that the length of the motor is shortened; the junction box is integrated on the motor shell, so that the structure is simple and the installation is convenient; the rotary transformer is arranged at the position where the cylinder supporting shaft is matched with the flywheel, so that the assembly and disassembly are convenient.
Drawings
FIG. 1 is a diagram: the utility model discloses a schematic diagram of a range extender motor of a cylinder supporting structure.
FIG. 2 is a diagram of: the structure of the water outlet and the water inlet of the cooling water channel is schematically shown.
FIG. 3 is a diagram of: the utility model relates to a section view of a cooling water channel.
FIG. 4 is a diagram of: the utility model discloses a structural schematic diagram of a multi-ring cooling water channel.
In the figure:
1. a flywheel; 2. a rotary transformer; 3. an end cap; 31. a cylindrical support shaft; 4. a cover plate; 5. a stator assembly; 6. a motor housing; 61. a multi-ring cooling water channel; 611. a water inlet; 612. a water outlet; 7. a junction box; 8. a rotor; 81. a rotor support; 82. a rotor assembly; 9. and a bearing.
Detailed Description
The utility model is described in detail below with reference to fig. 1 to 4 and the embodiments, and features of the following examples and examples may be combined with each other without conflict.
As shown in fig. 1 to 4, the present embodiment provides a range extender motor with a cylinder support structure, which is used for being installed in cooperation with an engine, and includes a motor housing 6, a rotor 8, a junction box 7, a stator assembly 5, a resolver 2, an end cover 3, a bearing 9, and a cylinder support shaft 31; wherein, one end of the motor shell 6 is fixedly connected with the engine body, and the other end is fixedly connected with the end cover 3; the rotor 8 comprises a rotor bracket 81 and a rotor assembly 82 fixedly connected with the outer ring of the rotor bracket 81; one end of the rotor bracket 81 is coaxially and fixedly connected with a flywheel 1 of an engine, and the inner ring of the rotor bracket 81 is rotatably connected with the cylinder supporting shaft 31 through a bearing 9; one end of the cylinder support shaft 31 is fixedly connected with the end cover 3, the other end of the cylinder support shaft is provided with a mounting hole, the flywheel 1 is provided with a mounting seat extending to the mounting hole, and the inner ring of the mounting hole and the outer ring of the mounting seat are respectively and fixedly provided with a fixed end and a rotating end of the rotary transformer 2; the stator assembly 5 is fixedly arranged on the side wall of the motor shell 6 opposite to the rotor assembly 82; a multi-ring cooling water channel is further arranged inside the side wall of the motor shell 6; the junction box 7 is fixedly connected to the outer ring of the motor casing 6.
Specifically, rotor bracket 81 is both ends open-ended cavity annular structure, and stator module 5 is the wire winding subassembly, and rotor subassembly 82 is the magnet steel, and this embodiment's specific installation is: fixedly mounting a stator component 5 on the inner side wall of a motor shell 6, penetrating a stator output cable to a corresponding position of a junction box 7, wherein the junction box 7 is fixedly connected with an outer ring of the motor shell 6 through a fixing bolt, fixedly mounting a rotor component 82 on an outer ring of a rotor support 81, fixedly mounting a rotating end of a rotary transformer 2 on an outer ring of a mounting seat of a flywheel 1, one end of the motor shell 6 is fixedly connected with an engine body through the fixing bolt, and fixedly connecting the flywheel 1 and one end of the rotor support 81 coaxially through the fixing bolt, so that the rotor component 82 and the stator component 5 are in a matched position, mounting a bearing 9 to an inner ring of the rotor support 81 at an opening at the other end of the rotor support 81, enabling an outer ring of the bearing 9 to be tightly matched with the inner ring of the rotor support 81, and fixedly mounting a fixed end of the rotary transformer 2 in a mounting hole of a cylinder support shaft 31, and then the cylindrical support shaft 31 is installed inside the rotor bracket 81, so that the rotating end and the fixed end of the rotary transformer 2 are in a matched position, the outer ring of the cylindrical support shaft 31 is tightly matched with the inner ring of the bearing 9, and finally the end cover 3 is fixedly connected with the other end of the motor shell 6 through a fixing bolt, and the end cover 3 is fixedly connected with the cylindrical support shaft 31.
The installation manner of the above-mentioned fixed connection further includes but is not limited to a key, a buckle, an adhesive, a welding or an integral molding, etc. that are matched with each other, it is worth to say that the multi-ring cooling water channel 61 inside the side wall of the motor housing 6 adopts an integral molding design, and is cast and molded with the motor housing 6 at one time, two ends of the cooling water channel are respectively provided with a water inlet 611 and a water outlet 612, and the water inlet 611 and the water outlet 612 are respectively communicated with a water path outside the motor housing 6. In addition, parts such as wire winding subassembly, magnet steel, bearing can carry on spacingly through limit structure such as clamping ring or boss after the installation is accomplished, further improve the reliability of motor. The force transmission path is as follows: the crankshaft 1 outputs power, the motor generates power, electric energy is output to the motor controller through the output cable, and finally the electric energy is output to the whole vehicle through the motor controller.
The inner ring of the bearing 9 of the embodiment is sleeved on the outer ring of the cylinder support shaft 31, the outer ring is fixed on the inner ring of the rotor bracket 81, the cylinder support shaft 31 plays a supporting role on the rotor 8 through the bearing 9, and the stability and reliability of the range extender motor are improved; the motor shell 6 adopts a multi-ring cooling water channel 61, so that the structure is simple and the cooling effect is good; the flywheel 1 is integrated with the motor, so that the length of the motor is shortened; the junction box 7 is integrated on the motor shell 6, so that the structure is simple and the installation is convenient; the rotary transformer 2 is arranged at the position where the cylinder supporting shaft 31 is matched with the flywheel 1, so that the assembly and disassembly are convenient.
In some other embodiments, the cylinder support shaft 31 and the end cap 3 may be integrally formed, and the end of the cylinder support shaft 31 connected to the end cap 3 is further provided with a cover plate 4 detachably connected, specifically, the detachable connection is implemented by using a bolt and a screw hole. The structural design of integrated into one piece is adopted for motor sound construction, stability, and resolver 2 measures angle signal accuracy, stability.
According to the range extender motor with the cylindrical support structure, the inner ring of the bearing 9 is sleeved on the outer ring of the cylindrical support shaft 31, the outer ring of the bearing 9 is fixed on the inner ring of the rotor bracket 81, the cylindrical support shaft 31 plays a supporting role on the rotor 8 through the bearing 9, and the stability and the reliability of the range extender motor are improved; the motor shell 6 adopts a multi-ring cooling water channel 61, so that the structure is simple and the cooling effect is good; the flywheel 1 is integrated with the motor, so that the length of the motor is shortened; the junction box 7 is integrated on the motor shell 6, so that the structure is simple and the installation is convenient; the rotary transformer 2 is arranged at the position where the cylinder supporting shaft 31 is matched with the flywheel 1, so that the assembly and disassembly are convenient.

Claims (2)

1. A range extender motor of a cylinder supporting structure is used for being matched and installed with an engine and is characterized by comprising a motor shell (6), a rotor (8), a junction box (7), a stator assembly (5), a rotary transformer (2), an end cover (3), a bearing (9) and a cylinder supporting shaft (31); one end of the motor shell (6) is fixedly connected with the engine body, and the other end of the motor shell is fixedly connected with the end cover (3);
the rotor (8) comprises a rotor bracket (81) and a rotor assembly (82) fixedly connected with the outer ring of the rotor bracket (81);
one end of the rotor bracket (81) is coaxially and fixedly connected with a flywheel (1) of an engine, and an inner ring of the rotor bracket is rotatably connected with the cylinder supporting shaft (31) through a bearing (9); one end of the cylinder supporting shaft (31) is fixedly connected with the end cover (3), the other end of the cylinder supporting shaft is provided with a mounting hole, the flywheel (1) is provided with a mounting seat extending to the mounting hole, and the inner ring of the mounting hole and the outer ring of the mounting seat are respectively fixedly provided with a fixed end and a rotating end of the rotary transformer (2);
the stator assembly (5) is fixedly arranged on the side wall of the motor shell (6) opposite to the rotor assembly (82);
a multi-ring cooling water channel is further arranged inside the side wall of the motor shell (6);
and the junction box (7) is fixedly connected to the outer ring of the motor shell (6).
2. The range extender motor of a cylinder support structure according to claim 1, wherein the end cover (3) and the cylinder support shaft (31) are of an integrally formed structure, and a detachably connected cover plate (4) is further provided at the end of the cylinder support shaft (31) connected with the end cover (3).
CN202121826458.4U 2021-08-06 2021-08-06 Range extender motor of cylinder supporting structure Active CN216086290U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121826458.4U CN216086290U (en) 2021-08-06 2021-08-06 Range extender motor of cylinder supporting structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121826458.4U CN216086290U (en) 2021-08-06 2021-08-06 Range extender motor of cylinder supporting structure

Publications (1)

Publication Number Publication Date
CN216086290U true CN216086290U (en) 2022-03-18

Family

ID=80667978

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202121826458.4U Active CN216086290U (en) 2021-08-06 2021-08-06 Range extender motor of cylinder supporting structure

Country Status (1)

Country Link
CN (1) CN216086290U (en)

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