CN110676973A - New forms of energy water-cooling motor casing and water-cooling motor of integrated control ware casing - Google Patents
New forms of energy water-cooling motor casing and water-cooling motor of integrated control ware casing Download PDFInfo
- Publication number
- CN110676973A CN110676973A CN201910809315.3A CN201910809315A CN110676973A CN 110676973 A CN110676973 A CN 110676973A CN 201910809315 A CN201910809315 A CN 201910809315A CN 110676973 A CN110676973 A CN 110676973A
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- Prior art keywords
- water
- motor
- cooling
- igbt module
- cooled motor
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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
-
- 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
- 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
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor Or Generator Cooling System (AREA)
- Motor Or Generator Frames (AREA)
Abstract
The invention discloses a new energy water-cooled motor shell and a water-cooled motor of an integrated controller shell, which comprise the new energy water-cooled motor shell of the integrated controller shell, and the new energy water-cooled motor shell comprises an integrated cast water-cooled motor shell, wherein the outer wall of the water-cooled motor shell is provided with a water inlet and a water outlet, a cooling water channel is arranged inside the water-cooled motor shell and is communicated with the water outlet, the water-cooled motor shell is also integrally cast and provided with a front end cover and an IGBT module mounting groove, stator positioning grooves which are arranged along the radial direction of the water-cooled motor shell are processed on the inner circumferential surface of the water-cooled motor shell, an IGBT module cooling water channel communicated with the cooling water channel is arranged inside the IGBT module mounting. The motor shell has the advantages of compact structure, less machining, low cost, easy assembly and high reliability; the water channel sand core has simple structure and low cost; the water channel has good heat dispersion performance.
Description
Technical Field
The invention relates to a new energy motor shell structure, and belongs to the technical field of design, manufacture and production of electric automobile motor structures.
Technical Field
The current water-cooled motor shell structure is generally divided into two types: integrated and non-integrated. The integrated housing typically integrates the motor housing with the motor end cap or controller housing. The integrated shell has the advantages of compact structure, less machining, less parts, simple assembly and low manufacturing cost. The non-integrated housing is not integrated with the motor end cover or the controller housing. The non-integrated shell has the disadvantages of more machining, more parts, complex assembly and high manufacturing cost.
Disclosure of Invention
The invention aims to solve the problems of the existing new energy motor shell and provides an integrated motor shell which is compact in structure, less in machining, less in part number, simple in assembly, low in cost and high in reliability.
In order to achieve the purpose, the technical scheme of the new energy water-cooled motor shell of the integrated controller shell comprises the new energy water-cooled motor shell of the integrated controller shell, the new energy water-cooled motor shell comprises an integrated cast water-cooled motor shell, a water inlet and a water outlet are formed in the outer wall of the water-cooled motor shell, a cooling water channel is arranged in the water-cooled motor shell and communicated with the water outlet, a front end cover and an IGBT module mounting groove are further integrally cast and formed in the water-cooled motor shell, stator positioning grooves which are radially arranged are machined in the inner circumferential surface of the water-cooled motor shell, an IGBT module cooling water channel communicated with the cooling water channel is arranged in the IGBT module mounting groove, and the IGBT module cooling water channel is communicated with the water inlet.
In a preferred embodiment of the present invention, the front end cover is cast with a bearing mounting hole for mounting a front bearing of the motor, and the bearing mounting hole is arranged coaxially with the water-cooled motor housing.
In a preferred embodiment of the invention, a motor and reduction gearbox positioning spigot which is coaxially arranged with the water-cooling motor shell is cast and formed on the outer end face of the front end cover.
In a preferred embodiment of the present invention, the cross-sectional shape of the cooling water channel is an isosceles trapezoid.
In a preferred embodiment of the present invention, there is no round angle between the two bevel edges and the bottom edge of the cooling water channel, and a round angle is arranged between the two bevel edges and the top edge.
In a preferred embodiment of the invention, the front end cover is provided with a motor and reduction box mounting hole.
In a preferred embodiment of the present invention, the IGBT module cooling water channel and the cooling water channel are cast and formed by using a sand core, and the sand core includes a plate-shaped S-shaped portion for forming the IGBT module cooling water channel and a columnar spiral portion for forming the cooling water channel.
The invention also discloses a water-cooled motor which comprises an IGBT module, a motor stator and the new energy water-cooled motor shell, wherein the motor stator is installed in a stator installation hole of the water-cooled motor shell, the IGBT module is installed in an IGBT module installation groove of the water-cooled motor shell, and the IGBT module installation groove is directly connected with the motor stator through a U-phase copper bar, a V-phase copper bar and a W-phase copper bar.
In a preferred embodiment of the present invention, an auxiliary positioning groove for cooperating with the stator positioning groove is disposed on an outer circumferential surface of the motor stator.
The invention has the following main advantages and effects: the motor shell has the advantages of compact structure, less machining, low cost, easy assembly and high reliability; the water channel sand core has simple structure and low cost; the water channel has good heat dissipation performance; the IGBT module and the front end cover are directly integrated on the motor shell, so that the size of the motor is effectively reduced, the coaxiality of a motor rotor and a stator after the whole motor is assembled is ensured, the stress and NVH of a bearing and a bearing mounting hole are improved when the motor works, the reliability of the motor is improved, and meanwhile, the IGBT module and the motor stator are directly connected through three UVW copper bars without high-voltage three-phase line connection in the prior art, the number of parts is reduced, the assembly workload is reduced, and the cost is reduced; meanwhile, further, the stator positioning grooves which are arranged along the radial direction of the water-cooled motor shell are processed on the inner end surface of the water-cooled motor shell, so that the positioning and the assembly of the stator are facilitated; furthermore, the design of the cooling water channel is convenient for demoulding the spiral water channel sand core from the sand core mould after the sand core is formed.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is another schematic of the present invention;
FIG. 3 is a cross-sectional view of the present invention;
FIG. 4 is a schematic illustration of a waterway in accordance with the present invention;
FIG. 5 is a schematic diagram of the present invention.
In the figure: 1-a motor shell body, 2-a water outlet, 3-a water inlet, 4-a motor and reduction gearbox mounting hole, 5-a controller shell, 6-a direct-current high-voltage line mounting hole, 7-an IGBT module mounting groove, 8-a signal line mounting hole, 9-a front end cover bearing mounting hole, 10-a front end cover, 11-a motor and reduction gearbox positioning spigot, 12-a cooling water channel, 13-a stator positioning groove, 14-a stator mounting hole, 15-a direct-current high-voltage line, 16-an IGBT module, 17-U-phase copper bars, 18-V-phase copper bars, 19-W-phase copper bars and 20-a motor stator; 21-Sand core.
Detailed Description
In order to make the technical scheme and advantages of the invention clearer, the invention is further described in detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1, 2, 3, 4 and 5, the new energy water-cooled motor housing integrated with a controller housing according to the embodiment of the present invention includes: the water-cooling motor shell body 1 is integrally cast and molded; a cooling water channel 12 is arranged in the water channel, the spiral water channel 12 is spirally arranged along the axial direction of the spiral water channel, an inlet of the spiral water channel 12 is an IGBT module cooling water channel 7, an outlet of the spiral water channel 12 is a water outlet 3, the section of the spiral water channel 12 is in an isosceles trapezoid shape, an included angle between each inclined edge and the bottom edge is 3 degrees, the two inclined edges and the bottom edge do not have round corners, and the two inclined edges and the top edge are round corners; the spiral water channel is used for cooling the motor stator;
a controller shell 5 is integrated on the upper part of the motor shell body 1, and an S-shaped IGBT module cooling water channel 7 is arranged in the controller shell 5 and used for cooling the IGBT module; the controller shell 5 is provided with a direct-current high-voltage wire mounting hole 6 and a signal wire mounting hole 8;
the S-shaped IGBT module cooling water channel 7 in the controller shell 5 and the spiral motor shell water channel 12 in the motor shell body 1 are in a series structure, cooling liquid enters the IGBT module cooling water channel 7 from the water inlet 3, cools the IGBT module and then enters the motor shell water channel 12 to cool a motor stator, and flows out from the water outlet 2;
the motor shell body 1 and the controller shell 5 are integrated, and have the main advantages that: the two parts do not need to be designed and processed with an assembly surface, the two parts do not have a positioning structure and a fixing bolt, the two parts are directly integrated without assembly, and a sealing structure or a device is not arranged between the two parts, so the structure is simple, the manufacturing cost is low, and the integrated structure has high reliability; the IGBT module cooling water channel 7 and the spiral motor shell water channel 12 are in a series structure, and the IGBT module cooling water channel and the spiral motor shell water channel do not need to be connected through a pipeline between a traditional controller and a motor, so that the leakage risk is reduced, the manufacturing cost is reduced, and the reliability is improved due to no pipeline design; the IGBT module 16 is directly connected with the motor stator 20 through the U-phase copper bar 17, the V-phase copper bar 18 and the W-phase copper bar 19, and high-voltage three-phase line connection in the prior art is not needed, so that the number of parts is reduced, the assembly workload is reduced, and the cost is reduced;
in addition, the motor shell body 1 is integrated with a front end cover 10, and the front end cover 10 is integrated with a motor and reduction gearbox mounting hole 4; the mounting hole 4 is used for fixing the motor and the reduction gearbox;
the main advantages of the integration of the motor housing body 1 with the front end cover 10 are: the two parts do not need to be designed and processed with an assembly surface, a positioning structure or a device, a fixing bolt, a sealing structure or assembly, and the like, so that the manufacturing and assembly cost is reduced, and the reliability is improved due to the integrated structure;
the front end cover 10 is provided with a motor and reduction gearbox positioning spigot 11 for positioning when the motor and the reduction gearbox are assembled, and the inner circle of the positioning spigot is used for installing an oil seal or other sealing devices;
the front end cover 10 is provided with a bearing mounting hole 9 for mounting a front bearing of the motor; the bearing mounting hole 9 and the stator mounting hole 14 are machined and formed at one time, the coaxiality of the axes of the bearing mounting hole and the stator mounting hole is high, the coaxiality of a motor rotor and a stator after the whole machine is assembled can be ensured, the stress and NVH of the bearing and the bearing mounting hole are improved when the motor works, and the reliability of the motor is improved;
meanwhile, a semicircular stator positioning hole 13 is integrated on the stator mounting surface on the inner side of the motor shell body 1, another semicircular positioning hole is formed in the motor stator 20, the two semicircular positioning holes are combined into a circular hole, and a positioning pin is inserted into the circular hole and used for positioning the motor stator 20 and the shell body 1, so that the stator 20 is prevented from rotating in the motor shell body 1 when the motor works;
the foregoing detailed description describes specific embodiments of the present invention without limiting the invention; the present invention is susceptible to various changes and modifications, commensurate with one of ordinary skill in the art; any modification, replacement, or improvement made within the principle scope of the present invention is included in the protection scope of the present invention.
Claims (9)
1. The utility model provides a new forms of energy water-cooling motor casing of integrated control ware casing, includes integral casting fashioned water-cooling motor casing (1), be provided with water inlet (3) and delivery port (2) on the outer wall of water-cooling motor casing (1), water-cooling motor casing (1) inside is equipped with cooling water course (12), cooling water course (12) intercommunication delivery port (2), its characterized in that: still integral casting shaping has front end housing (10) and IGBT module mounting groove (7) on water-cooling motor casing (1), processing has along its radial stator constant head tank (13) of arranging on the inner peripheral surface of water-cooling motor casing (1), IGBT module mounting groove (7) inside be equipped with the IGBT module cooling water course of cooling water course (12) intercommunication, IGBT module cooling water course intercommunication water inlet (3).
2. The new energy water cooled motor housing of an integrated controller housing of claim 1, wherein: the front end cover (10) is cast with a bearing mounting hole (9) for mounting a front bearing of the motor, and the bearing mounting hole (9) and the water-cooling motor shell (1) are coaxially arranged.
3. The new energy water cooled motor housing of an integrated controller housing of claim 1, wherein: and a motor and reduction gearbox positioning spigot (11) which is coaxially arranged with the water-cooling motor shell (1) is cast and formed on the outer end surface of the front end cover (6).
4. The new energy water cooled motor housing of an integrated controller housing of claim 1, wherein: the cross section of the cooling water channel (12) is isosceles trapezoid.
5. The new energy water cooled motor housing of an integrated controller housing of claim 4, wherein: and no round angle is arranged between the two bevel edges and the bottom edge of the cooling water channel (12), and a round angle is arranged between the two bevel edges and the top edge.
6. The new energy water cooled motor housing of an integrated controller housing of claim 1, wherein: and the front end cover (6) is provided with a motor and reduction gearbox mounting hole (4).
7. The new energy water cooled motor housing of an integrated controller housing of claim 1, wherein: the IGBT module cooling water channel and the cooling water channel (12) are cast and formed by a sand core (21), and the sand core (21) comprises a plate-shaped S-shaped part (21.1) for forming the IGBT module cooling water channel and a columnar spiral part (21.2) for forming the cooling water channel (12).
8. A water-cooled motor, includes IGBT module (16) and motor stator (20), its characterized in that: the new energy water-cooled motor shell is characterized by further comprising a new energy water-cooled motor shell according to any one of claims 1 to 9, wherein the motor stator (20) is installed in a stator installation hole (14) of the water-cooled motor shell (1), the IGBT module (16) is installed in an IGBT module installation groove (7) of the water-cooled motor shell (1), and the IGBT module installation groove (7) is directly connected with the motor stator (20) through a U-phase copper bar (17), a V-phase copper bar (18) and a W-phase copper bar (19).
9. The water-cooled motor according to claim 8, wherein: and an auxiliary positioning groove used for being matched with the stator positioning groove (13) is formed in the peripheral surface of the motor stator (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910809315.3A CN110676973A (en) | 2019-08-29 | 2019-08-29 | New forms of energy water-cooling motor casing and water-cooling motor of integrated control ware casing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910809315.3A CN110676973A (en) | 2019-08-29 | 2019-08-29 | New forms of energy water-cooling motor casing and water-cooling motor of integrated control ware casing |
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| Publication Number | Publication Date |
|---|---|
| CN110676973A true CN110676973A (en) | 2020-01-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910809315.3A Pending CN110676973A (en) | 2019-08-29 | 2019-08-29 | New forms of energy water-cooling motor casing and water-cooling motor of integrated control ware casing |
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| CN (1) | CN110676973A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111654162A (en) * | 2020-05-11 | 2020-09-11 | 东风汽车集团有限公司 | Integrated water-cooling motor shell structure |
| CN111654144A (en) * | 2020-05-15 | 2020-09-11 | 东风汽车集团有限公司 | Highly integrated motor casing, electricity drive assembly and electric automobile |
| CN113659760A (en) * | 2021-06-30 | 2021-11-16 | 中车株洲电机有限公司 | Integrated water cooling structure of motor controller |
| CN114498989A (en) * | 2021-12-29 | 2022-05-13 | 西安中车永电捷力风能有限公司 | Wind driven generator with cooling function |
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| CN206272405U (en) * | 2016-12-13 | 2017-06-20 | 高邮市高农机械配件有限公司 | Inside set the motor casing of cooling water channel |
| CN206313585U (en) * | 2016-12-30 | 2017-07-07 | 合普动力股份有限公司 | Integrated electric motor controller used for electric vehicle |
| CN108155734A (en) * | 2017-12-15 | 2018-06-12 | 中国航空工业集团公司西安飞行自动控制研究所 | A kind of motor stator and shell connecting structure |
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| CN108746545A (en) * | 2018-07-25 | 2018-11-06 | 昆山众异特机械工业有限公司 | It is used to prepare the mold and equipment of the motor side shell of new-energy automobile |
| CN208272773U (en) * | 2018-04-28 | 2018-12-21 | 合肥巨一动力系统有限公司 | A kind of motor reducer integrated housing with cooling water channel |
| CN208924021U (en) * | 2018-11-23 | 2019-05-31 | 温岭市鑫诺电机股份有限公司 | A kind of decelerating motor |
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2019
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Patent Citations (8)
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111654162A (en) * | 2020-05-11 | 2020-09-11 | 东风汽车集团有限公司 | Integrated water-cooling motor shell structure |
| CN111654144A (en) * | 2020-05-15 | 2020-09-11 | 东风汽车集团有限公司 | Highly integrated motor casing, electricity drive assembly and electric automobile |
| CN113659760A (en) * | 2021-06-30 | 2021-11-16 | 中车株洲电机有限公司 | Integrated water cooling structure of motor controller |
| CN114498989A (en) * | 2021-12-29 | 2022-05-13 | 西安中车永电捷力风能有限公司 | Wind driven generator with cooling function |
| CN114498989B (en) * | 2021-12-29 | 2024-03-26 | 西安中车永电捷力风能有限公司 | Wind driven generator with cooling function |
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Application publication date: 20200110 |