CN115051490A - Permanent magnet energy-saving motor for mechanical equipment - Google Patents
Permanent magnet energy-saving motor for mechanical equipment Download PDFInfo
- Publication number
- CN115051490A CN115051490A CN202210971320.6A CN202210971320A CN115051490A CN 115051490 A CN115051490 A CN 115051490A CN 202210971320 A CN202210971320 A CN 202210971320A CN 115051490 A CN115051490 A CN 115051490A
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- China
- Prior art keywords
- end cover
- stator
- holes
- permanent magnet
- rear end
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/20—Stationary parts of the magnetic circuit with channels or ducts for flow of cooling medium
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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
- H02K5/10—Casings or enclosures characterised by the shape, form or construction thereof with arrangements for protection from ingress, e.g. water or fingers
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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
- H02K5/18—Casings or enclosures characterised by the shape, form or construction thereof with ribs or fins for improving heat transfer
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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
- H02K5/207—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium with openings in the casing specially adapted for ambient air
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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
- H02K9/02—Arrangements for cooling or ventilating by ambient air flowing through the machine
- H02K9/04—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
- H02K9/06—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium with fans or impellers driven by the machine shaft
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2205/00—Specific aspects not provided for in the other groups of this subclass relating to casings, enclosures, supports
- H02K2205/09—Machines characterised by drain passages or by venting, breathing or pressure compensating means
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Motor Or Generator Cooling System (AREA)
Abstract
The invention provides a permanent magnet energy-saving motor for mechanical equipment. Relates to the technical field of permanent magnet motors. Stator through holes which are circumferentially and uniformly distributed and axially communicated are processed on the outer side of a stator winding of the stator iron core, end cover through holes are formed in the front end cover and the rear end cover, fluid directors are respectively installed on the inner side of the front end cover and the inner side of the rear end cover, each fluid director comprises an installation ring I and a flow guide pipe, the installation rings I are connected to the front end cover and the rear end cover through bolts, the outer side of each flow guide pipe is communicated with the end cover through holes, the flow guide pipes extend to the stator iron core from the inner side, and the inner holes of the flow guide pipes are communicated with the stator through holes and are coaxial with the stator through holes. The invention has the following beneficial effects: the whole technical scheme of the invention does not need to greatly reform the original structure of the permanent magnet motor, the stator through hole and the end cover through hole are processed, the two fluid directors and the collecting cover are installed, the purpose of improving the heat exchange efficiency can be achieved, the structure is simple, the cost is low, and the heat exchange effect is good.
Description
Technical Field
The invention relates to the technical field of permanent magnet motors, in particular to a permanent magnet energy-saving motor for mechanical equipment.
Background
In order to ensure that a permanent magnet motor rotor is not influenced by scrap iron or dust, a cooling structure in the prior art usually adopts a fully-closed type to carry out cooling, so that the structure is complex, the cooling effect of the motor is seriously influenced, and the high-power density design of the motor is restricted; under the condition of guaranteeing the good cooling effect of stator, adopt semi-enclosed cooling structure, but adopt semi-enclosed cooling structure can't guarantee that permanent-magnet machine rotor, stator do not receive the dust influence, inside the getting into motor of outside foreign matter such as dust, seriously influence motor bearing, insulating parts's life.
Disclosure of Invention
The invention provides a permanent magnet energy-saving motor for mechanical equipment, aiming at solving the problem that the service life of a motor bearing and an insulating part is seriously influenced when external foreign matters enter the motor in the existing semi-closed cooling structure.
The technical scheme of the invention is as follows: a permanent magnet energy-saving motor for mechanical equipment comprises a motor shaft, a front end cover, a rear end cover, a shell, a stator core, a rotor, a fan cover and a stator winding, wherein stator through holes which are circumferentially, uniformly and axially communicated are machined on the outer side of the stator winding of the stator core, end cover through holes which are the same in diameter as the stator through holes and are coaxial with the stator through holes are formed in the front end cover and the rear end cover, fluid directors are respectively installed on the inner side of the front end cover and the inner side of the rear end cover and comprise an installation ring I and fluid guide pipes, the number of the fluid guide pipes which is the same as the number of the stator through holes are uniformly distributed in the circumferential direction of the installation ring I, the installation ring I is connected onto the front end cover and the rear end cover through holes through bolts, the outer sides of the fluid guide pipes are communicated with the end cover through holes, the fluid guide pipes extend inwards to the stator core, and the inner holes of the fluid guide pipes are communicated with the stator through holes and are coaxial with the stator through holes.
And a mounting ring II is installed on the outer side of each end cover through hole on the rear end cover, extends backwards to form a horn mouth with the diameter being increased to collect the cover, and is communicated with each end cover through hole and coaxial with the end cover through hole.
Each flow guide pipe on the flow guider arranged on the front end cover extends a heat exchange fin towards the center of circle of the mounting ring I.
The collecting cover and the mounting ring II are made of non-metal materials, and the fluid director is made of stainless steel materials.
The invention has the following beneficial effects: the cooling channel composed of the stator through hole, the end cover through hole and the fluid director is not communicated with the interior of the motor, external foreign matters such as dust in the air can not enter the interior of the permanent magnet motor, the operation of the permanent magnet motor can not be influenced, meanwhile, the heat exchange effect is improved, the cooling channel with the same diameter can also be periodically dredged and cleaned by using a columnar brush, the heat exchange effect is ensured, the cooling channel is suitable for being used by mechanical equipment in a cleaner workshop, the flow guide pipe at the front end is provided with heat exchange fins to increase the surface area of the flow guide pipe, more heat is taken out of the permanent magnet motor before the air flows out, the collection cover is arranged to collect more air flows into the cooling channel, the heat exchange efficiency is improved, the whole technical scheme does not need to greatly reform the original structure of the permanent magnet motor, the stator through hole and the end cover through hole are processed, two fluid directors are installed, the collection cover can achieve the purpose of improving the heat exchange efficiency, the structure is simple, Low cost and good heat exchange effect.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural view of a flow guide on a rear end cap according to the present invention.
Fig. 3 is a schematic structural view of a flow guide on a front end cap according to the present invention.
In the figure, 1-a motor shaft, 2-a front end cover, 3-a rear end cover, 4-a shell, 5-a stator iron core, 6-a rotor, 7-a fan, 8-a fan cover, 9-a flow guider, 10-a collecting cover, 11-a stator through hole, 12-a mounting ring I, 13-a flow guide pipe, 14-a heat exchange fin, 15-a mounting ring II, 16-an end cover through hole and 17-a stator winding.
Detailed Description
The invention will be further described with reference to the accompanying drawings in which:
referring to fig. 1 and fig. 2-3, a permanent magnet energy-saving motor for mechanical equipment comprises a motor shaft 1, a front end cover 2, a rear end cover 3, a shell 4, a stator core 5, a rotor 6, a fan 7, a fan cover 8 and a stator winding 17, wherein the stator core 5 is provided with stator through holes 11 which are uniformly distributed on the outer side of the stator winding 17 and axially penetrate, the front end cover 2 and the rear end cover 3 are provided with end cover through holes 16 which have the same diameter as the stator through holes 11 and are coaxial with the stator through holes 11, fluid directors 9 are respectively arranged on the inner side of the front end cover 2 and the inner side of the rear end cover 3, each fluid director 9 comprises a mounting ring I12 and a fluid guide pipe 13, the number of the fluid guide pipes 13 which is the same as that of the stator through holes 11 are uniformly distributed on the circumferential direction of the mounting ring I12, the mounting ring I12 is connected to the front end cover 2 and the rear end cover 3 through bolts, the outer side of the fluid guide pipe 13 is communicated with the end cover through holes 16, and the fluid guide pipe 13 extends inwards to the stator core 5, the inner hole of the draft tube 13 is communicated with the stator through holes 11 and is coaxial with each stator through hole 11.
By processing a stator through hole 11 on a stator iron core 5 of a common permanent magnet motor, processing an end cover through hole 16 on a front end cover 2 and a rear end cover 3, then installing a fluid director 9 on the front end cover 2 and the rear end cover 3, a cooling channel with the same inner hole diameter and through front and back can be formed, the airflow blown out by the fan exchanges heat with the heat dissipation ribs outside the shell 4 of the permanent magnet motor, the cooling channel composed of the stator through hole 11, the end cover through hole 16 and the fluid director 9 is not communicated with the interior of the motor, external foreign matters such as dust in the air can not enter the interior of the permanent magnet motor, the operation of the permanent magnet motor can not be influenced, meanwhile, the heat exchange effect is improved, the cylindrical brush can be periodically used for dredging and cleaning the cooling channel with the same diameter, the heat exchange effect is guaranteed, and the cooling device is suitable for being used by mechanical equipment in a cleaner workshop.
Installing ring II15 is installed to every end cover through-hole 16 outside on rear end cover 3, and installing ring II15 extends backward has the bell mouth form of diameter grow to collect cover 10, collects cover 10 and each end cover through-hole 16 intercommunication and with the axle center, collects cover 10 and can collect more air currents and get into cooling channel, improves heat exchange efficiency.
Each guide pipe 13 on the fluid director 9 arranged on the front end cover 2 extends a heat exchange fin 14 towards the circle center direction of the mounting ring I12, the heat exchange fins 14 arranged on the guide pipe 13 at the front end can increase the surface area of the guide pipe 13, and more heat is taken out of the permanent magnet motor before the airflow flows out.
The collecting cover 10 and the mounting ring II15 are made of non-metal materials, the non-metal collecting cover 10 and the mounting ring II15 have low heat conducting performance, air cannot be heated in advance, the cost is low, the manufacture is easy, the fluid director 9 is made of stainless steel materials, the fluid director 9 does not conduct magnetism, and the magnetic circuit composition and the operation efficiency of the original permanent magnet motor are not influenced.
According to the overall technical scheme, the original structure of the permanent magnet motor is not required to be greatly improved, the stator through hole 11 and the end cover through hole 16 are processed, the two fluid directors 9 and the collecting cover 10 are installed, the purpose of improving the heat exchange efficiency can be achieved, the structure is simple, the cost is low, and the heat exchange effect is good.
Claims (4)
1. The utility model provides an energy-conserving motor of permanent magnetism for mechanical equipment, includes motor shaft (1), front end housing (2), rear end housing (3), casing (4), stator core (5), rotor (6), fan (7), fan casing (8) and stator winding (17), its characterized in that: stator through holes (11) which are circumferentially, uniformly and axially communicated are processed on the outer side of a stator winding (17) of the stator core (5), end cover through holes (16) which have the same diameter as the stator through holes (11) and are coaxial with the stator through holes (11) are formed in the front end cover (2) and the rear end cover (3), fluid directors (9) are respectively installed on the inner side of the front end cover (2) and the inner side of the rear end cover (3), each fluid director (9) comprises an installation ring I (12) and a flow guide pipe (13), the number of the guide pipes (13) which is the same as that of the stator through holes (11) is uniformly distributed in the circumferential direction of the mounting ring I (12), the mounting ring I (12) is connected to the front end cover (2) and the rear end cover (3) through bolts, the outer side of each guide pipe (13) is communicated with the corresponding end cover through hole (16), the guide pipes (13) extend to the stator core (5) from the inner side to the inner side, and the inner holes of the guide pipes (13) are communicated with the stator through holes (11) and are coaxial with the stator through holes (11).
2. The permanent magnet energy-saving motor for mechanical equipment according to claim 1, characterized in that: and a mounting ring II (15) is mounted on the outer side of each end cover through hole (16) on the rear end cover (3), the mounting ring II (15) extends backwards to form a flared collecting cover (10) with a larger diameter, and the collecting cover (10) is communicated with the end cover through holes (16) and is coaxial.
3. The permanent magnet energy-saving motor for mechanical equipment according to claim 1, characterized in that: each flow guide pipe (13) on the flow guide (9) arranged on the front end cover (2) extends a heat exchange fin (14) towards the circle center of the mounting ring I (12).
4. The permanent magnet energy-saving motor for mechanical equipment according to claim 2, characterized in that: the collecting cover (10) and the mounting ring II (15) are made of non-metal materials, and the fluid director (9) is made of stainless steel materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210971320.6A CN115051490A (en) | 2022-08-15 | 2022-08-15 | Permanent magnet energy-saving motor for mechanical equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210971320.6A CN115051490A (en) | 2022-08-15 | 2022-08-15 | Permanent magnet energy-saving motor for mechanical equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115051490A true CN115051490A (en) | 2022-09-13 |
Family
ID=83167789
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210971320.6A Pending CN115051490A (en) | 2022-08-15 | 2022-08-15 | Permanent magnet energy-saving motor for mechanical equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115051490A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115664119A (en) * | 2022-12-09 | 2023-01-31 | 大庆市晟威机械制造有限公司 | Permanent magnet motor based on heat pipe heat dissipation |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5886433A (en) * | 1995-09-13 | 1999-03-23 | Hitachi, Ltd. | Dynamoelectric machine |
| CN105071619A (en) * | 2015-09-11 | 2015-11-18 | 天津理工大学 | Permanent magnet brushless motor having stator winding provided with heat-radiating device |
| CN106385122A (en) * | 2016-09-20 | 2017-02-08 | 北京交通大学 | Honeycomb-type closed ventilation cooling device for motor |
| CN109742887A (en) * | 2018-12-06 | 2019-05-10 | 贵阳航空电机有限公司 | Rotor winding overhang aeration structure |
| CN113364168A (en) * | 2021-07-08 | 2021-09-07 | 珠海格力电器股份有限公司 | Stator module, motor and air conditioner |
| CN114337111A (en) * | 2021-11-29 | 2022-04-12 | 中车永济电机有限公司 | Internal circulation evaporative cooling motor cooling structure |
| CN114400852A (en) * | 2022-01-24 | 2022-04-26 | 大庆市瑞斯德石油机械制造有限公司 | Permanent magnet energy-saving motor for mechanical equipment |
| CN216451212U (en) * | 2021-07-12 | 2022-05-06 | 无锡先锋电机有限公司 | Direct current motor with good heat dissipation |
-
2022
- 2022-08-15 CN CN202210971320.6A patent/CN115051490A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5886433A (en) * | 1995-09-13 | 1999-03-23 | Hitachi, Ltd. | Dynamoelectric machine |
| CN105071619A (en) * | 2015-09-11 | 2015-11-18 | 天津理工大学 | Permanent magnet brushless motor having stator winding provided with heat-radiating device |
| CN106385122A (en) * | 2016-09-20 | 2017-02-08 | 北京交通大学 | Honeycomb-type closed ventilation cooling device for motor |
| CN109742887A (en) * | 2018-12-06 | 2019-05-10 | 贵阳航空电机有限公司 | Rotor winding overhang aeration structure |
| CN113364168A (en) * | 2021-07-08 | 2021-09-07 | 珠海格力电器股份有限公司 | Stator module, motor and air conditioner |
| CN216451212U (en) * | 2021-07-12 | 2022-05-06 | 无锡先锋电机有限公司 | Direct current motor with good heat dissipation |
| CN114337111A (en) * | 2021-11-29 | 2022-04-12 | 中车永济电机有限公司 | Internal circulation evaporative cooling motor cooling structure |
| CN114400852A (en) * | 2022-01-24 | 2022-04-26 | 大庆市瑞斯德石油机械制造有限公司 | Permanent magnet energy-saving motor for mechanical equipment |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115664119A (en) * | 2022-12-09 | 2023-01-31 | 大庆市晟威机械制造有限公司 | Permanent magnet motor based on heat pipe heat dissipation |
| CN115664119B (en) * | 2022-12-09 | 2023-03-10 | 大庆市晟威机械制造有限公司 | Permanent magnet motor based on heat pipe heat dissipation |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20220913 |