CN114024387B - Wheel-side bridge high-efficiency high-power-density water-cooling permanent magnet motor - Google Patents
Wheel-side bridge high-efficiency high-power-density water-cooling permanent magnet motor Download PDFInfo
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- CN114024387B CN114024387B CN202111304845.6A CN202111304845A CN114024387B CN 114024387 B CN114024387 B CN 114024387B CN 202111304845 A CN202111304845 A CN 202111304845A CN 114024387 B CN114024387 B CN 114024387B
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- rotating shaft
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Classifications
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- 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
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/16—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
- H02K5/161—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields radially supporting the rotary shaft at both ends of the rotor
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- 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
- H02K5/20—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
- H02K5/203—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium specially adapted for liquids, e.g. cooling jackets
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- 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
- H02K5/22—Auxiliary parts of casings not covered by groups H02K5/06-H02K5/20, e.g. shaped to form connection boxes or terminal boxes
- H02K5/225—Terminal boxes or connection arrangements
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- 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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- 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
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor Or Generator Frames (AREA)
Abstract
The invention discloses a wheel-side bridge high-efficiency high-power-density water-cooling permanent magnet motor, which comprises a machine base, wherein an installation cavity is formed on the machine base; the center of the installation cavity is axially connected with a rotating shaft, the left side and the right side of the rotating shaft are respectively and fixedly connected with a front bearing and a rear bearing, the middle part of the rotating shaft is fixedly connected with a rotor assembly, and the inner wall of the installation cavity is fixedly connected with a stator assembly; a rear wiring bin is formed on the base, and the end face of the rear wiring bin is fixedly connected with a rear cover plate; the rear wiring bin is connected with a wiring box seat, and the end face of the wiring box seat is fixedly connected with a wiring box cover; the junction box seat is communicated with the rear junction bin; the invention makes the wheel motor more compact and more reasonable in overall layout through the design structure of the rear wiring bin and the rotary change mounting groove.
Description
Technical Field
The invention relates to the technical field of new energy automobile driving motors, in particular to a wheel-side bridge efficient high-power-density water-cooling permanent magnet motor.
Background
At present, the wheel side motor is complex in structure, the left motor and the right motor are relatively symmetrical and generally need to be realized by two sets of dies, the die cost is high, the processing difficulty of product parts is high, the overall layout is poor, the parts are excessive, the cost is high, the installation is complex due to the excessive parts, and the production progress is influenced.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide the efficient high-power-density water-cooling permanent magnet motor for the wheel-side bridge, which has the advantages of simple structure, convenience in operation and practicability.
The invention is realized by the following modes:
the wheel-side bridge high-efficiency high-power-density water-cooling permanent magnet motor comprises a machine base, wherein an installation cavity is formed on the machine base, and a front end cover is fixedly connected to the end face of the installation cavity; the center of the installation cavity is axially connected with a rotating shaft, the left side and the right side of the rotating shaft are respectively and fixedly connected with a front bearing and a rear bearing, and the outer ring of the front bearing is fixedly connected with a front end cover; the outer ring of the rear bearing is fixedly connected with the machine base, and the left end and the right end of the rotating shaft are respectively exposed out of the front end cover and the outer end face of the machine base; the rotating shaft rotates relative to the machine base by taking the front bearing and the rear bearing as fulcrums; the middle part of the rotating shaft is fixedly connected with a rotor assembly, and the inner wall of the mounting cavity is fixedly connected with a stator assembly matched with the rotor assembly;
a rear wiring bin is formed on the base, and the end face of the rear wiring bin is fixedly connected with a rear cover plate; the rear wiring bin is communicated with the mounting cavity; the rear wiring bin is connected with a wiring box seat, and the end face of the wiring box seat is fixedly connected with a wiring box cover; the junction box seat is communicated with the rear junction bin;
a wiring board is fixedly connected in the wiring box seat; the winding lead of the stator assembly is fixed on the rear wiring bin and is electrically connected with the wiring board in the wiring box seat through a wiring copper bar; the terminal box seat is fixedly connected with a wire clamp fixing frame, and a wire clamp for wiring is arranged in the wire clamp fixing frame; the junction box seat is fixedly connected with a metal threaded sleeve with a shielding ring.
Further, the wiring board comprises a wiring board body, more than one wiring boss is formed on the wiring board body in an upward protruding mode, and wiring bolt holes are formed in the wiring bosses; and a limit bump is formed on one side of the wiring lug boss.
Further, a wiring groove is formed between the limiting lug and the wiring boss, and the wiring groove is L-shaped.
Further, a rotary mounting groove is formed in the machine base, and a rotary pressing plate is fixedly connected to the end face of the rotary mounting groove; the rotary transformer comprises a rotary transformer mounting groove, a rotary transformer stator, a rotary transformer lead-out wire, a connector and a connector, wherein the rotary transformer stator is fixedly connected in the rotary transformer mounting groove, the rotary transformer stator is matched with the rotary transformer arranged at the right end part of the rotary shaft, the rotary transformer lead-out wire of the rotary transformer stator is fixed in the rotary transformer mounting groove through an R-shaped wire clamp, and the rotary transformer lead-out wire of the rotary transformer stator is electrically connected with the connector arranged on the base.
Further, a sealing strip for fixing winding leads of the stator assembly is fixed in the rear wiring bin; the outer end part of the sealing strip extends downwards to form a barrier strip.
Further, the barrier strip is arc-shaped.
Further, the base is fixedly connected with a lifting lug.
Further, a lead sheath is arranged between the rear wiring bin and the wiring box seat.
Further, a connecting groove is formed on the left side of the rotating shaft.
Further, a cooling circulating water channel is arranged in the machine base and is communicated with a water inlet and a water outlet which are arranged on the machine base.
The invention has the beneficial effects that: 1. for the wiring board, when the wiring board is in the same wire inlet direction, the wiring board is rotated to realize wire outlet in different directions; namely, one wiring board meets the requirement of multiple purposes; the mould cost and the material quantity are reduced.
2. The machine base adopts a two-side symmetrical mold design, and when the wheel edge is driven, the left wheel edge and the right wheel edge of the machine base can be commonly used; the junction box can realize a radial upward wire outlet mode and an axial leftward wire outlet mode, and can be adjusted according to requirements.
3. The wheel motor is a left wheel motor and a right wheel motor, the parts such as a machine seat, an end cover, a wiring board, a wiring box cover and a rotary cover plate are universal, the internal stator and rotor components are consistent, and the installation requirements of the left wheel motor and the right wheel motor are met by adjusting the direction during assembly.
4. Through the design structure of the rear wiring bin and the rotary mounting groove, the wheel motor is more compact and more reasonable in overall layout.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present invention and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a right side view of the structure of the present invention;
FIG. 3 is a schematic view of the P-direction structure of FIG. 1;
FIG. 4 is a perspective view of the structure of the present invention;
FIG. 5 is a front view of the housing structure of the present invention;
FIG. 6 is a rear elevational view of the housing structure of the present invention;
fig. 7 is a perspective view of a terminal block structure of the present invention.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, based on the embodiments of the invention, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the invention. Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, based on the embodiments of the invention, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the invention.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Examples:
the efficient high-power-density water-cooling permanent magnet motor for the wheel-side bridge comprises a machine seat 51, wherein a mounting cavity 511 is formed on the machine seat 51, and a front end cover 1 is fixedly connected to the end face of the mounting cavity 511; a rotating shaft 52 is axially connected to the center in the mounting cavity 511, a front bearing 53 and a rear bearing 54 are fixedly connected to the left and right sides of the rotating shaft 52 respectively, and an outer ring of the front bearing 53 is fixedly connected with the front end cover 1; the outer ring of the rear bearing 54 is fixedly connected with the stand 51, and the left and right ends of the rotating shaft 52 are respectively exposed out of the front end cover 1 and the outer end face of the stand 51; the spindle 52 rotates relative to the housing 51 with the front bearing 53 and the rear bearing 54 as fulcrums; the left side of the rotation shaft 52 forms a connection groove 521. A cooling circulation water channel 514 is arranged in the machine base 51, and the cooling circulation water channel 514 is communicated with a water inlet and a water outlet which are arranged on the machine base 51.
Specifically, the middle part of the rotating shaft 52 is fixedly connected with the rotor assembly 3, the inner wall of the installation cavity 511 is fixedly connected with the stator assembly 4 matched with the rotor assembly 3, and the structures of the rotor assembly 3 and the stator assembly 4 are in the prior art and will not be described in detail herein.
Specifically, as shown in fig. 1 and 6, the base 51 is formed with a rear wiring bin 512, and an end surface of the rear wiring bin 512 is fixedly connected with a rear cover plate 15; the rear wiring bin 512 is communicated with the mounting cavity 511; the rear junction box 512 is connected with a junction box seat 6, and the end surface of the junction box seat 6 is fixedly connected with a junction box cover 9; the junction box seat 6 is communicated with the rear junction box 512, so that the junction is convenient.
Further, as shown in fig. 1, a wiring board 43 is fixedly connected in the terminal box seat 6; the winding leads of the stator assembly 3 are fixed to the rear terminal box 512 and are electrically connected to the terminal plate 43 in the terminal box holder 6 through the terminal copper bars 47. A sealing strip 17 for fixing winding leads of the stator assembly 3 is fixed in the rear wiring bin 512; the outer end of the sealing strip 17 extends downwards to form a barrier 171, and the barrier 171 is arc-shaped and is matched with the back cover plate 15 to prevent the back cover plate 15 from contacting with the winding leads of the stator assembly 3; the terminal box seat 6 is fixedly connected with a wire clamp fixing frame 40, and a wire clamp 39 for wiring is arranged in the wire clamp fixing frame 40; the terminal box seat 6 is fixedly connected with a metal threaded sleeve 41 with a shielding ring.
Specifically, as shown in fig. 7, the wiring board 43 includes a wiring board body 431, where more than one wiring boss 432 is formed by protruding upward on the wiring board body 431, and a wiring bolt hole 433 is formed on the wiring boss 432; one side of the wiring boss 432 is formed with a limit bump 434, a wiring groove is formed between the limit bump 434 and the wiring boss 432, the wiring groove is L-shaped, and the wiring plate 43 can be rotated in actual installation to adapt to wiring requirements of different angles.
Specifically, as shown in fig. 2 and fig. 6, a rotary transformer mounting groove 513 is formed in the stand 51, and a rotary transformer 22 is fixedly connected to an end surface of the rotary transformer mounting groove 513; the rotary mounting groove 513 is fixedly connected with a rotary stator 30, the rotary stator 30 is matched with a rotary stator arranged at the right end part of the rotating shaft 52, a rotary electric outgoing line of the rotary stator 30 is fixed in the rotary mounting groove 513 through an R-shaped line clamp 27, and the rotary electric outgoing line of the rotary stator 30 is electrically connected with a connector 21 arranged on the base 51.
Further, the lifting lug 25 is fixedly connected to the base 51, so that the lifting and carrying are facilitated.
Further, a lead sheath 10 is provided between the rear junction box 512 and the junction box seat 6, for protecting the junction to play a role of waterproofing.
In this embodiment, for the wiring board 43, by rotating the wiring board, different direction outgoing lines can be realized in the same incoming line direction; i.e. one patch panel, is versatile. The mould cost and the material quantity are reduced.
In this embodiment, the stand 51 adopts a two-sided symmetrical mold design, and when the wheel is driven, a universal left and right wheel of the stand can be realized; the junction box can realize a radial upward wire outlet mode and an axial leftward wire outlet mode, and can be adjusted according to requirements.
In this embodiment, the wheel limit motor is left wheel limit motor and right wheel limit motor, and parts such as its frame, end cover, wiring board, junction box cover and spin-on cover are general, and inside stator and rotor subassembly is unanimous, and the adjustment direction is realized satisfying the installation demand of left and right wheel limit motor when assembling.
The left and right wheel motors are bilaterally symmetrical, and the wire outlet and the water inlet and outlet nozzle are required to be on the same side. The invention uses a set of shell mould, front end cover mould, outlet box mould and water inlet and outlet nozzle mould, and realizes the requirement that two sets of moulds are needed to reach the left and right wheel motors, and the outlet and water inlet and outlet nozzles are required to be on the same side.
The shell takes the middle shaft as symmetry, the left and right wheel motors are realized to adopt the same shell blank, and the shell is only provided with one set of die.
The outlet box is bilaterally symmetrical, the thickness of the two side walls of the outlet box is consistent, and when the outlet is outwards, the threaded sleeve holes for high-voltage inlet wires can be formed on the same side, and the outlet box is provided with one die.
The water nozzle mounting table on the shell is axially symmetrical, so that the bent water nozzle is axially rotated for 180 degrees to realize the relative anastomosis of water inlet and outlet nozzles of the left and right wheel side motors, and the first generation wheel side motor needs 4 sets of water inlet and outlet nozzle dies.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, and various modifications and variations may be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (1)
1. A wheel bridge high-efficient high power density water-cooling permanent magnet motor, its characterized in that: the device comprises a machine base (51), wherein an installation cavity (511) is formed on the machine base (51), and a front end cover (1) is fixedly connected to the end face of the installation cavity (511); the center in the mounting cavity (511) is axially connected with a rotating shaft (52), the left side and the right side of the rotating shaft (52) are respectively and fixedly connected with a front bearing (53) and a rear bearing (54), and the outer ring of the front bearing (53) is fixedly connected with the front end cover (1); the outer ring of the rear bearing (54) is fixedly connected with the machine base (51), and the left end and the right end of the rotating shaft (52) are respectively exposed out of the front end cover (1) and the outer end face of the machine base (51); the rotating shaft (52) rotates relative to the base (51) by taking a front bearing (53) and a rear bearing (54) as fulcrums; the middle part of the rotating shaft (52) is fixedly connected with a rotor assembly (3), and the inner wall of the mounting cavity (511) is fixedly connected with a stator assembly (4) matched with the rotor assembly (3);
a rear wiring bin (512) is formed on the base (51), and the end face of the rear wiring bin (512) is fixedly connected with a rear cover plate (15); the rear wiring bin (512) is communicated with the mounting cavity (511); the rear wiring bin (512) is connected with a wiring box seat (6), and the end face of the wiring box seat (6) is fixedly connected with a wiring box cover (9); the junction box seat (6) is communicated with the rear junction bin (512);
a wiring board (43) is fixedly connected in the wiring box seat (6); the winding lead of the stator assembly (4) is fixed on the rear wiring bin (512) and is electrically connected with the wiring board (43) in the wiring box seat (6) through the wiring copper bar (47); the terminal box seat (6) is fixedly connected with a wire clamp fixing frame (40), and a wire clamp (39) for wiring is arranged in the wire clamp fixing frame (40); the junction box seat (6) is fixedly connected with a metal threaded sleeve (41) with a shielding ring; the junction box seat (6) realizes a radial upward wire outlet mode and an axial leftward wire outlet mode; the wiring board (43) comprises a wiring board body (431), more than one wiring lug boss (432) is formed on the wiring board body (431) in an upward protruding mode, and wiring bolt holes (433) are formed in the wiring lug bosses (432); a limit lug (434) is formed on one side of the wiring lug boss (432); a wiring groove is formed between the limit lug (434) and the wiring boss (432), and the wiring groove is L-shaped;
a rotary mounting groove (513) is formed in the base (51), and a rotary pressing plate (22) is fixedly connected to the end face of the rotary mounting groove (513); a rotary stator (30) is fixedly connected in the rotary mounting groove (513), the rotary stator (30) is matched with a rotary rotor arranged at the right end part of the rotating shaft (52), a rotary electric outgoing line of the rotary stator (30) is fixed in the rotary mounting groove (513) through an R-shaped line clamp (27), and the rotary electric outgoing line of the rotary stator (30) is electrically connected with a connector (21) arranged on the base (51); the machine base (51) adopts a two-side symmetrical die design, and when the wheel edge is driven, the left wheel edge and the right wheel edge of the machine base are universal; when the wiring boards (43) are in the same wire inlet direction, the wiring boards (43) are rotated to realize wire outlet in different directions; the machine seat (51), the front end cover (1), the wiring board (43) and the wiring box cover (9) are universal in parts, internal stator and rotor components are consistent, and the mounting requirements of the left wheel motor and the right wheel motor are met by adjusting directions during assembly; the wheel side motors are a left wheel side motor and a right wheel side motor, and the left wheel side motor and the right wheel side motor are symmetrical and require that the outlet and the water inlet and outlet are on the same side;
a sealing strip (17) for fixing winding leads of the stator assembly (4) is fixed in the rear wiring bin (512); the outer end part of the sealing strip (17) extends downwards to form a barrier strip (171); the barrier strip (171) is arc-shaped;
the base (51) is fixedly connected with a lifting lug (25);
a lead sheath (10) is arranged between the rear wiring bin (512) and the wiring box seat (6);
a connecting groove (521) is formed on the left side of the rotating shaft (52);
the cooling circulation water channel (514) is arranged in the machine base (51), and the cooling circulation water channel (514) is communicated with a water inlet and a water outlet which are arranged on the machine base (51).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111304845.6A CN114024387B (en) | 2021-11-05 | 2021-11-05 | Wheel-side bridge high-efficiency high-power-density water-cooling permanent magnet motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111304845.6A CN114024387B (en) | 2021-11-05 | 2021-11-05 | Wheel-side bridge high-efficiency high-power-density water-cooling permanent magnet motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114024387A CN114024387A (en) | 2022-02-08 |
| CN114024387B true CN114024387B (en) | 2023-08-29 |
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| CN202111304845.6A Active CN114024387B (en) | 2021-11-05 | 2021-11-05 | Wheel-side bridge high-efficiency high-power-density water-cooling permanent magnet motor |
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| CN111371236A (en) * | 2020-04-16 | 2020-07-03 | 宁德时代电机科技有限公司 | High-torque circumference returns high heat dissipation permanent magnetism wheel hub motor device in shape water route |
| CN111884408A (en) * | 2020-07-21 | 2020-11-03 | 江苏汇智高端工程机械创新中心有限公司 | Wheel edge motor driving system |
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| CN114024387A (en) | 2022-02-08 |
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