CN204517624U - A kind of permanent-magnet brushless DC electric machine peculiar to vessel - Google Patents
A kind of permanent-magnet brushless DC electric machine peculiar to vessel Download PDFInfo
- Publication number
- CN204517624U CN204517624U CN201420764855.7U CN201420764855U CN204517624U CN 204517624 U CN204517624 U CN 204517624U CN 201420764855 U CN201420764855 U CN 201420764855U CN 204517624 U CN204517624 U CN 204517624U
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- magnet steel
- rear end
- end cap
- support
- terminal box
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- Brushless Motors (AREA)
- Permanent Field Magnets Of Synchronous Machinery (AREA)
Abstract
The utility model discloses a kind of permanent-magnet brushless DC electric machine peculiar to vessel, it relates to a kind of motor.It comprises main shaft, front end housing, bearing, support, stator piece, groove label, rotor sheet, magnet steel, stator winding, rear end cap, fan, fan casing, terminal box and link cover of FIG, the alignment of shafts is provided with rotor sheet, magnet steel is imbedded in rotor sheet by glue, magnet steel arranged outside has groove label, groove label outer setting has stator piece, stator piece is wound with stator winding, stator piece and stator winding outer setting organic block, support two ends by be enclosed within bearing on main shaft respectively with front end housing, rear end cap matches, the spindle nose of rear end cap outside is provided with fan, fan casing matches with rear end cap and support, also terminal box is connected with outside support, terminal box is provided with link cover of FIG.The utility model adopts magnet steel to be plane plug-in type, and rotor mechanical structural design is integral, improves anti-centrifugal ability.
Description
Technical field
The utility model relates to a kind of motor, be specifically related to a kind of permanent-magnet brushless DC electric machine peculiar to vessel.
Background technology
Automobile motor general speed is at 3000-5000 rev/min, and high-speed electric expreess locomotive efficiency is low, and moment of torsion is little, and it reduces rotating speed by reduction gearing, and increase moment of torsion, reduction gearing easily produces mechanicalness noise, needs periodic maintenance, and complicated in mechanical structure has pollution.
current motor on the market adopts tile-shaped magnet steel surface-mount type, is applicable to being 0.3kw-2kw, low moment of torsion.Magnet steel is produced into swallow-tail form, and in the insertion groove of assembling, to be tightly fixed magnet steel by machinery, magnet steel easily comes off, fracture.
In sum, need to design a kind of novel brshless DC motor.
Summary of the invention
For the deficiency that prior art exists, the utility model object is to provide a kind of permanent-magnet brushless DC electric machine peculiar to vessel, magnet steel is adopted to be plane plug-in type, be applicable to being 2.5kw-30kw, high pulling torque, magnet steel buries in rotor and pours into magnet steel glue special again, during motor high pulling torque, magnet steel is not easy to come off, cracking, rotor mechanical structural design is integral, improves anti-centrifugal ability.
To achieve these goals, the utility model realizes by the following technical solutions: a kind of permanent-magnet brushless DC electric machine peculiar to vessel, comprise main shaft, front end housing, bearing, support, stator piece, groove label, rotor sheet, magnet steel, stator winding, rear end cap, fan, fan casing, terminal box and link cover of FIG, the alignment of shafts is provided with rotor sheet, magnet steel is imbedded in rotor sheet by glue, magnet steel arranged outside has groove label, groove label outer setting has stator piece, stator piece is wound with stator winding, stator piece and stator winding outer setting organic block, support two ends by be enclosed within bearing on main shaft respectively with front end housing, rear end cap matches, the spindle nose of rear end cap outside is provided with fan, fan casing matches with rear end cap and support, also terminal box is connected with outside support, terminal box is provided with link cover of FIG.
As preferably, described stator winding is provided with heating tape.
As preferably, described terminal box is provided with heating tape lead-in wire, Hall element and motor down-lead.
Beneficial effect of the present utility model: adopt magnet steel to be plane plug-in type, be applicable to being 2.5kw-30kw, high pulling torque, magnet steel buries in rotor and pours into magnet steel glue special again, and during motor high pulling torque, magnet steel is not easy to come off, cracking, rotor mechanical structural design is integral, improves anti-centrifugal ability.
Accompanying drawing explanation
The utility model is described in detail below in conjunction with the drawings and specific embodiments;
Fig. 1 is structure cutaway view of the present utility model;
Fig. 2 is sectional side view of the present utility model.
Embodiment
The technological means realized for making the utility model, creation characteristic, reaching object and effect is easy to understand, below in conjunction with embodiment, setting forth the utility model further.
See figures.1.and.2, this embodiment is by the following technical solutions: a kind of permanent-magnet brushless DC electric machine peculiar to vessel, comprise main shaft 1, front end housing 2, bearing 3, support 4, stator piece 5, groove label 6, rotor sheet 7, magnet steel 8, stator winding 9, rear end cap 10, fan 11, fan casing 12, terminal box 13 and link cover of FIG 14, main shaft 1 center is provided with rotor sheet 7, magnet steel 8 is imbedded in rotor sheet 7 by glue, magnet steel 8 arranged outside has groove label 6, groove label 6 outer setting has stator piece 5, stator piece 5 is wound with stator winding 9, stator piece 5 and stator winding 9 outer setting organic block 4, support 4 two ends by be enclosed within bearing 3 on main shaft 1 respectively with front end housing 2, rear end cap 10 matches, main shaft 1 end of rear end cap 10 outside is provided with fan 11, fan casing 12 matches with rear end cap 10 and support 4, terminal box 13 is also connected with outside support 4, terminal box 13 is provided with link cover of FIG 14.
It should be noted that and described stator winding 9 is provided with heating tape 15.
In addition, described terminal box 13 is provided with heating tape lead-in wire, Hall element and motor down-lead.
The operation principle of this embodiment: when stator winding a certain is energized mutually, the magnetic field interaction that the magnetic pole of this electric current and rotor permanent-magnet steel produces and produce torque, driving rotor rotates, by position transducer, rotor magnetic steel evolution is become the signal of telecommunication again, go to control electronic switch circuit, thus making the every winding of stator by a graded conducting, stator phase currents is commutation according to a certain order with the change of rotor-position.Because the conducting order of electronic switch circuit is synchronous with angle of rotor, thus serve the commutation effect of mechanical commutator.
The operating efficiency of the permanent-magnet brushless DC electric machine peculiar to vessel of this embodiment is high, long service life, good speed adjustment features, and electrical equipment noise is low, and use cost is low.Adopt magnet steel to be plane plug-in type, be applicable to being 2.5kw-30kw, high pulling torque, magnet steel buries in rotor and pours into magnet steel glue special again, and during motor high pulling torque, magnet steel is not easy to come off, and cracking, rotor mechanical structural design is integral, improves anti-centrifugal ability.
More than show and describe general principle of the present utility model and principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; what describe in above-described embodiment and specification just illustrates principle of the present utility model; under the prerequisite not departing from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (3)
1. a permanent-magnet brushless DC electric machine peculiar to vessel, is characterized in that, comprises main shaft (1), front end housing (2), bearing (3), support (4), stator piece (5), groove label (6), rotor sheet (7), magnet steel (8), stator winding (9), rear end cap (10), fan (11), fan casing (12), terminal box (13) and link cover of FIG (14), main shaft (1) center is provided with rotor sheet (7), magnet steel (8) is imbedded in rotor sheet (7) by glue, magnet steel (8) arranged outside has groove label (6), groove label (6) outer setting has stator piece (5), stator piece (5) is wound with stator winding (9), stator piece (5) and stator winding (9) outer setting organic block (4), support (4) two ends by be enclosed within bearing (3) on main shaft (1) respectively with front end housing (2), rear end cap (10) matches, main shaft (1) end of rear end cap (10) outside is provided with fan (11), fan casing (12) matches with rear end cap (10) and support (4), support (4) outside is also connected with terminal box (13), terminal box (13) is provided with link cover of FIG (14).
2. one according to claim 1 permanent-magnet brushless DC electric machine peculiar to vessel, is characterized in that, described stator winding (9) is provided with heating tape (15).
3. one according to claim 1 permanent-magnet brushless DC electric machine peculiar to vessel, is characterized in that, described terminal box (13) is provided with heating tape lead-in wire, Hall element and motor down-lead.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420764855.7U CN204517624U (en) | 2014-12-09 | 2014-12-09 | A kind of permanent-magnet brushless DC electric machine peculiar to vessel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420764855.7U CN204517624U (en) | 2014-12-09 | 2014-12-09 | A kind of permanent-magnet brushless DC electric machine peculiar to vessel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204517624U true CN204517624U (en) | 2015-07-29 |
Family
ID=53715554
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420764855.7U Expired - Fee Related CN204517624U (en) | 2014-12-09 | 2014-12-09 | A kind of permanent-magnet brushless DC electric machine peculiar to vessel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204517624U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USD887806S1 (en) | 2018-04-03 | 2020-06-23 | Milwaukee Electric Tool Corporation | Jigsaw |
| US10835972B2 (en) | 2018-03-16 | 2020-11-17 | Milwaukee Electric Tool Corporation | Blade clamp for power tool |
| US11014176B2 (en) | 2018-04-03 | 2021-05-25 | Milwaukee Electric Tool Corporation | Jigsaw |
-
2014
- 2014-12-09 CN CN201420764855.7U patent/CN204517624U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10835972B2 (en) | 2018-03-16 | 2020-11-17 | Milwaukee Electric Tool Corporation | Blade clamp for power tool |
| USD887806S1 (en) | 2018-04-03 | 2020-06-23 | Milwaukee Electric Tool Corporation | Jigsaw |
| US11014176B2 (en) | 2018-04-03 | 2021-05-25 | Milwaukee Electric Tool Corporation | Jigsaw |
| US11813682B2 (en) | 2018-04-03 | 2023-11-14 | Milwaukee Electric Tool Corporation | Jigsaw |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150729 Termination date: 20181209 |