CN212412878U - Disc type hub direct drive motor - Google Patents
Disc type hub direct drive motor Download PDFInfo
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- CN212412878U CN212412878U CN202021449495.3U CN202021449495U CN212412878U CN 212412878 U CN212412878 U CN 212412878U CN 202021449495 U CN202021449495 U CN 202021449495U CN 212412878 U CN212412878 U CN 212412878U
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Abstract
The utility model relates to a disk wheel hub directly drives motor, including fixing stator module on vehicle body chassis and with the fixed rotor subassembly of wheel hub, stator module includes the stator unit of constituteing by stator coil winding and stator core and is used for the support of fixed stator unit, and the support includes integrated into one piece's solid fixed ring, fin and axle form flange, gu fixed ring sets up on axle form flange, the fin evenly arrange a plurality ofly along gu fixed ring's circumference, and a plurality of fins are perpendicular to respectively gu fixed ring's surface and along gu fixed ring's axial setting, be equipped with a stator unit between two adjacent fins, be equipped with the circulation water course of intercommunication between axle form flange, gu fixed ring and the fin. According to the above technical scheme, the utility model discloses a direct winding with the motor of circulation water channel for the cooling contacts, has effectively increased motor winding's heat radiating area, has reduced motor heat circuit conduction thermal resistance to the heat dissipation power and the power density of motor have effectively been improved.
Description
Technical Field
The utility model relates to the technical field of motors, concretely relates to disk wheel hub directly drives motor.
Background
The hub driving motor has strict requirements on the size and weight of the motor. The axial magnetic flux block iron core stator-free magnetic yoke motor belongs to one of disc type motors, has the advantages of small axial size, high power density, high efficiency and the like due to the unique topological structure, and is very suitable for being used for driving a wheel hub. However, the power loss of the stator core and the winding accounts for most of the loss of the motor, and the motor does not have a stator magnetic yoke, so that a cooling system is difficult to integrate, and the motor cannot dissipate heat in time. At present, heat is dissipated by integrating a copper pipe at the back of a concentrated winding of a stator unit, but the contact area between the copper pipe and the stator winding is small, the heat dissipation capacity is poor, the heat dissipation efficiency is low, and the output power of a motor is severely limited.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a disk wheel hub directly drives motor, this motor have increased the area of contact of motor winding with the water course, have effectively improved the heat dissipation power of motor to the power density of this type of motor has been improved.
In order to achieve the above purpose, the utility model adopts the following technical scheme: including fixing stator module on vehicle body chassis and the rotor subassembly fixed with wheel hub, stator module include the stator unit of constituteing by stator coil winding and stator core and be used for the support of fixed stator unit, the support include solid fixed ring, fin and the axle form flange of integrated into one piece, solid fixed ring set up on the axle form flange, the fin evenly arrange a plurality ofly along solid fixed ring's circumference, and a plurality of fins respectively perpendicular to solid fixed ring's surface and along solid fixed ring's axial setting, be equipped with a stator unit between two adjacent fins, axle form flange, solid fixed ring and fin between be equipped with the circulation water course of intercommunication.
The circulating water channel comprises a U-shaped water channel for communicating fins and a fixing ring, two ports of the U-shaped water channel are equally divided and are respectively located on the fixing ring, the two ports of the U-shaped water channel are respectively communicated with a first water tank and a second water tank which are arranged on an axial flange, a first baffle and a second baffle which are symmetrically arranged are arranged in the first water tank, the first baffle and the second baffle separate the first water tank into a water inlet chamber and a water outlet chamber which are mutually independent, the water inlet chamber and the water outlet chamber are respectively communicated with a water inlet hole and a water outlet hole which are arranged on the axial flange, a third baffle is arranged in the second water tank, and the second water tank is separated into a whole C-shaped water tank by the third baffle.
The shaft-shaped flange is integrally in a step shape and comprises a first flange section, a second flange section and a third flange section, the diameters of the first flange section, the second flange section and the third flange section are sequentially decreased progressively, the first flange section is matched with the fixing ring, a first water tank and a second water tank are arranged on the first flange section respectively, an L-shaped hole for stringing the three windings is formed in the second flange section, a water inlet hole and a water outlet hole are further formed in the second flange section, and the water inlet hole and the water outlet hole are axially arranged along the second flange section and are communicated with a water inlet chamber and a water outlet chamber of the first water tank respectively.
The top of fin is equipped with first through-hole and the second through-hole that runs through fin and solid fixed ring perpendicularly from the top down, the side of fin is equipped with the blind hole of the first through-hole of intercommunication and second through-hole, the top and the blind hole department of first through-hole, second through-hole all are equipped with the stopple.
The first water tank and the second water tank respectively penetrate through the flange wall along the circumferential direction of the shaft-shaped flange, the position of the third partition board is matched with the position of the first partition board or the second partition board, a bearing sleeve matched with a bearing is fixed on the inner wall of the shaft-shaped flange, and a sealing ring is arranged between the bearing sleeve and the shaft-shaped flange.
The rotor subassembly include casing and pivot, the casing include cyclic annular body, the both sides of cyclic annular body are equipped with left end cover and the right-hand member lid that links firmly rather than respectively, left end cover and right-hand member lid be close to mutually and be equipped with the rotor yoke on the terminal surface respectively, the rotor yoke on paste and have the permanent magnet, the axle form flange pass through the bearing and be connected with the pivot.
According to the above technical scheme, the utility model discloses a direct winding with the motor of circulation water channel for the cooling contacts, has effectively increased motor winding's heat radiating area, has reduced motor heat circuit conduction thermal resistance to the heat dissipation power and the power density of motor have effectively been improved.
Drawings
Fig. 1 is a schematic perspective view of the present invention;
fig. 2 is a schematic view of the internal structure of the present invention;
fig. 3 is a schematic exploded view of the present invention;
fig. 4 is a schematic structural diagram of the housing of the present invention;
fig. 5 is a schematic structural view of the bracket of the present invention;
fig. 6 is a schematic structural view of the fixing ring and the fins of the present invention;
fig. 7 is a front view of the bracket of the present invention;
FIG. 8 is a sectional view A-A of FIG. 7;
FIG. 9 is a cross-sectional view B-B of FIG. 7;
fig. 10 is a schematic perspective view of a shaft flange according to the present invention;
fig. 11 is a schematic perspective view of a second axial flange according to the present invention;
fig. 12 is a third schematic perspective view of the axial flange of the present invention;
fig. 13 is a partial cross-sectional view of a shaft flange of the present invention.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings:
as shown in fig. 1, fig. 2, a disk-type wheel hub direct drive motor shown in fig. 3, including fixing stator module on vehicle body chassis and rotor assembly 9 fixed with wheel hub, stator module includes stator unit 1 formed by stator coil winding 11 and stator core 12 and support 2 used for fixing stator unit 1, rotor assembly 9 includes casing and pivot 91, as shown in fig. 4, the casing includes annular body 92, both sides of annular body 92 are equipped with left end cover 93 and right end cover 94 that link firmly with it respectively, be equipped with rotor yoke 95 on the terminal surface that left end cover 93 and right end cover 94 are close to mutually respectively, it has permanent magnet 96 to paste on the rotor yoke 95, stator module links to each other with pivot 91 through bearing 8.
Further, as shown in fig. 5 and 6, the bracket 2 includes an integrally formed fixing ring 21, fins 22 and a shaft-shaped flange 23, the shaft-shaped flange 23 is connected to the rotating shaft 91 through the bearing 8, the fixing ring 21 is disposed on the shaft-shaped flange 23, the fins 22 are uniformly arranged in the circumferential direction of the fixing ring 21, the fins 22 are respectively perpendicular to the outer surface of the fixing ring 21 and are disposed in the axial direction of the fixing ring 21, one stator unit 1 is disposed between two adjacent fins 22, and a circulating water channel is disposed between the shaft-shaped flange 23, the fixing ring 21 and the fins 22.
Specifically, as shown in fig. 10, 11, 12, and 13, the circulating water channel includes a U-shaped water channel connecting the fins 22 and the fixing ring 21, two ports of the U-shaped water channel are located on the fixing ring 21, and the two ports of the U-shaped water channel are respectively communicated with the first water tank 3 and the second water tank 4 disposed on the shaft-shaped flange 23, a first partition plate 31 and a second partition plate 32 are disposed in the first water tank 3, the first water tank 3 is divided into a water inlet chamber 33 and a water outlet chamber 34 by the first partition plate 31 and the second partition plate 32, the water inlet chamber 33 and the water outlet chamber 34 are respectively communicated with the water inlet hole 5 and the water outlet hole 6 disposed on the shaft-shaped flange 23, a third partition plate 41 is disposed in the second water tank 4, and the second water tank 4 is divided into a C-shaped water tank by the third partition plate 41. It can also be understood that the first water tank 3 is composed of two symmetrically arranged water inlet chamber 33 and water outlet chamber 34, the water inlet chamber 33 and the water outlet chamber 34 are both arc-shaped grooves, the water inlet chamber 33 and the water outlet chamber 34 are mutually independent, one half of the port of the U-shaped water channel connected with the first water tank 3 is communicated with the water inlet chamber 33, and the other half is communicated with the water outlet chamber 34; the second water tank 4 is an integral C-shaped tank.
Further, as shown in fig. 5, 6, 7, 8, and 9, a first through hole 221 and a second through hole 222 vertically penetrating through the fin 22 and the fixing ring 21 are formed in the top of the fin 22 from top to bottom, a blind hole 223 communicating the first through hole 221 and the second through hole 222 is formed in the side surface of the fin 22, and hole plugs are respectively disposed at the tops of the first through hole 221 and the second through hole 222 and the blind hole 223, so that the first through hole 221, the second through hole 222, and the blind hole 223 can form a U-shaped water channel with internal communication under the restriction of the hole plugs.
Preferably, the first water tank 3 and the second water tank 4 are respectively provided to penetrate through the flange wall along the circumferential direction of the shaft-shaped flange 23, the third partition plate 41 is provided at a position corresponding to the position of the first partition plate 31 or the second partition plate 32, a bearing housing 81 fitted to the bearing 8 is fixed to the inner wall of the shaft-shaped flange 23, and a seal ring 82 is provided between the bearing housing 81 and the shaft-shaped flange 23.
Further, the shaft-shaped flange 23 is integrally stepped and comprises a first flange section 231, a second flange section 232 and a third flange section 233, the diameters of the first flange section 231, the second flange section 232 and the third flange section 233 are gradually decreased, the first flange section 231 is matched with the fixing ring 21, the first flange section 231 is provided with a first water tank 3 and a second water tank 4 respectively, the second flange section 232 is provided with an L-shaped hole 7 for stringing of three windings, the second flange section 232 is further provided with a water inlet hole 5 and a water outlet hole 6, and the water inlet hole 5 and the water outlet hole 6 are arranged along the axial direction of the second flange section 232 and are communicated with a water inlet chamber and a water outlet chamber of the first water tank 3 respectively.
The working principle of the utility model is as follows:
the utility model discloses when using, stator module passes through axial flange 23 to be fixed on vehicle body chassis, and rotor subassembly 9 passes through left end lid 93 and wheel hub bolted connection, and rotor subassembly 9 drives the wheel together rotatory when for stator module is rotatory. When the motor works, the water inlet hole 5 and the water outlet hole 6 on the shaft-shaped flange 23 are respectively connected with an external water pipe through the water inlet pipe 51 and the water outlet pipe 61, and the U-shaped water channels in the fins 22 take away heat generated on each stator unit 1 through circulation of cooling liquid.
The following heat dissipation principle of the circulation water channel of the utility model is explained in combination with the accompanying drawings 1-12:
in this embodiment, the fixing ring 21 is provided with 18 groups of fins, that is, 18 groups of U-shaped channels, for convenience of description, the port of the 18 groups of U-shaped channels connected to the first water tank 3 is set as a first port, and the port connected to the second water tank 4 is set as a second port, that is, the inner wall of the fixing ring 21 is provided with 18 first ports and 18 second ports, where: 9 of the 18 first ports correspond to and are communicated with the water inlet chamber 33, the other 9 first ports correspond to and are communicated with the water outlet chamber 34, and the 18 second ports correspond to and are communicated with the second water tank 4.
When the cooling liquid flows into the water inlet chamber 33 from the water inlet hole 5, the first ports of the 9 groups of U-shaped water channels correspondingly communicated with the water inlet chamber 33 are water inlets, the second ports are water outlets, and water flows enter from the first ports, flow out from the second ports and flow into the second water tank 4; when the second water tank 4 is filled with the cooling liquid, the cooling liquid flows to the second ports of the 9 groups of U-shaped water channels correspondingly communicated with the water outlet chamber 34, at this time, the second ports of the 9 groups are water inlets, the first ports are water outlets, and water flows enter from the second ports, flows out from the first ports, enters the water outlet chamber, and flows out from the water outlet holes, thereby forming the serially connected heat dissipation water path.
The specific trend of the cooling liquid is as follows: the water inlet pipe → the water inlet hole → the water inlet chamber → the first port of the 9 sets of U-shaped water courses corresponding to the water inlet chamber → the second water tank → the second port of the 9 sets of U-shaped water courses corresponding to the water outlet chamber → the first port of the 9 sets of fins corresponding to the water outlet chamber → the water outlet hole → the water outlet pipe.
The utility model discloses a useful technique lies in: 1) the utility model discloses compare with traditional radial liquid cooling motor, this motor need not be with the heat conduction that produces on the winding to stator core earlier, and rethread stator core passes to the liquid cooling casing, but directly conducts the heat to the liquid cooling casing, can effectively reduce the thermal resistance between stator winding and the liquid cooling pipeline, improves the radiating efficiency of motor to can improve motor power density. 2) The utility model discloses compare with present disk motor, can be with the direct coil winding both sides contact with each stator unit of motor in the cooling water route of motor, effectively increased motor winding's heat radiating area, reduced motor heat circuit conduction thermal resistance to the heat dissipation power of motor and the power density of motor have effectively been improved. 3) The utility model has compact and reasonable structure. The fins can play a role in fixing the stator unit and can also effectively dissipate heat of the motor winding; the fixing ring and the axial flange are of an integral structure, and a water tank is arranged in the axial flange and communicated with a U-shaped water channel on the fin, so that a whole cooling system is finally formed.
The above-mentioned embodiments are only for describing the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art without departing from the design spirit of the present invention should fall into the protection scope defined by the claims of the present invention.
Claims (6)
1. The utility model provides a disk wheel hub directly drives motor which characterized in that: comprises a stator component fixed on a chassis of a vehicle body and a rotor component (9) fixed with a hub, the stator assembly comprises a stator unit (1) consisting of a stator coil winding (11) and a stator core (12) and a bracket (2) used for fixing the stator unit (1), the bracket (2) comprises a fixed ring (21), fins (22) and a shaft-shaped flange (23) which are integrally formed, the fixing ring (21) is arranged on the shaft-shaped flange (23), the fins (22) are uniformly distributed along the circumferential direction of the fixing ring (21), and a plurality of fins (22) are respectively vertical to the outer surface of the fixed ring (21) and are arranged along the axial direction of the fixed ring (21), a stator unit (1) is arranged between two adjacent fins (22), and circulating water channels communicated with each other are arranged among the shaft-shaped flange (23), the fixing ring (21) and the fins (22).
2. The disc-type hub direct drive motor according to claim 1, wherein: the circulating water channel comprises a U-shaped water channel communicated with fins (22) and a fixing ring (21), two ports of the U-shaped water channel are respectively positioned on the fixing ring (21), and two ports of the U-shaped water channel are respectively communicated with a first water tank (3) and a second water tank (4) which are arranged on the shaft-shaped flange (23), a first clapboard (31) and a second clapboard (32) which are symmetrically arranged are arranged in the first water tank (3), the first clapboard (31) and the second clapboard (32) divide the first water tank (3) into a water inlet chamber (33) and a water outlet chamber (34) which are mutually independent, the water inlet chamber (33) and the water outlet chamber (34) are respectively communicated with a water inlet hole (5) and a water outlet hole (6) arranged on the shaft-shaped flange (23), and a third clapboard (41) is arranged in the second water tank (4), and the second water tank (4) is divided into a C-shaped water tank by the third clapboard (41).
3. The disc-type hub direct drive motor according to claim 1, wherein: the shaft-shaped flange (23) is integrally in a step shape and comprises a first flange section (231), a second flange section (232) and a third flange section (233) with the diameters decreasing in sequence, the first flange section (231) is matched with the fixing ring (21), the first flange section (231) is provided with a first water tank (3) and a second water tank (4), the second flange section (232) is provided with an L-shaped hole (7) for three winding series lines, the second flange section (232) is further provided with a water inlet hole (5) and a water outlet hole (6), and the water inlet hole (5) and the water outlet hole (6) are axially arranged along the second flange section (232) and are respectively communicated with a water inlet chamber and a water outlet chamber of the first water tank (3).
4. The disc-type hub direct drive motor according to claim 1, wherein: the top of fin (22) is equipped with first through-hole (221) and second through-hole (222) that run through fin (22) and solid fixed ring (21) perpendicularly from the top down, the side of fin (22) is equipped with blind hole (223) of first through-hole (221) of intercommunication and second through-hole (222), the top and blind hole (223) department of first through-hole (221), second through-hole (222) all are equipped with the stopple.
5. The disc-type hub direct drive motor according to claim 2, wherein: the first water tank (3) and the second water tank (4) penetrate through the flange wall along the circumferential direction of the shaft-shaped flange (23), the third partition plate (41) is matched with the first partition plate (31) or the second partition plate (32), a bearing sleeve (81) matched with a bearing (8) is fixed on the inner wall of the shaft-shaped flange (23), and a sealing ring (82) is arranged between the bearing sleeve (81) and the shaft-shaped flange (23).
6. The disc-type hub direct drive motor according to claim 1, wherein: rotor subassembly (9) include casing and pivot (91), the casing include annular body (92), the both sides of annular body (92) are equipped with left end cover (93) and right-hand member lid (94) rather than linking firmly respectively, left end cover (93) and right-hand member lid (94) be equipped with rotor yoke (95) on the terminal surface that is close to mutually, rotor yoke (95) on paste and have permanent magnet (96), axle form flange (23) pass through bearing (8) and be connected with pivot (91).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021449495.3U CN212412878U (en) | 2020-07-21 | 2020-07-21 | Disc type hub direct drive motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021449495.3U CN212412878U (en) | 2020-07-21 | 2020-07-21 | Disc type hub direct drive motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212412878U true CN212412878U (en) | 2021-01-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021449495.3U Active CN212412878U (en) | 2020-07-21 | 2020-07-21 | Disc type hub direct drive motor |
Country Status (1)
| Country | Link |
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| CN (1) | CN212412878U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113270985A (en) * | 2021-05-24 | 2021-08-17 | 东南大学 | Modularized axial magnetic field permanent magnet motor |
| DE102022104375A1 (en) | 2022-02-24 | 2023-08-24 | Audi Aktiengesellschaft | Stator, electric axial flux machine, motor vehicle and method for producing a stator winding for a stator |
| WO2023089095A3 (en) * | 2021-11-19 | 2023-10-12 | Schoone David | Electric motor, in particular for installation in a wheel body of a motorcycle |
-
2020
- 2020-07-21 CN CN202021449495.3U patent/CN212412878U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113270985A (en) * | 2021-05-24 | 2021-08-17 | 东南大学 | Modularized axial magnetic field permanent magnet motor |
| WO2023089095A3 (en) * | 2021-11-19 | 2023-10-12 | Schoone David | Electric motor, in particular for installation in a wheel body of a motorcycle |
| DE102022104375A1 (en) | 2022-02-24 | 2023-08-24 | Audi Aktiengesellschaft | Stator, electric axial flux machine, motor vehicle and method for producing a stator winding for a stator |
| DE102022104375B4 (en) | 2022-02-24 | 2023-11-30 | Audi Aktiengesellschaft | Stator, electric axial flux machine, motor vehicle and method for producing a stator winding for a stator |
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