CN107196482A - Brushless electric machine - Google Patents
Brushless electric machine Download PDFInfo
- Publication number
- CN107196482A CN107196482A CN201710524163.3A CN201710524163A CN107196482A CN 107196482 A CN107196482 A CN 107196482A CN 201710524163 A CN201710524163 A CN 201710524163A CN 107196482 A CN107196482 A CN 107196482A
- Authority
- CN
- China
- Prior art keywords
- circuit board
- bearing
- electric machine
- brushless electric
- rotor assembly
- 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
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K29/00—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/32—Windings characterised by the shape, form or construction of the insulation
- H02K3/38—Windings characterised by the shape, form or construction of the insulation around winding heads, equalising connectors, or connections thereto
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/46—Fastening of windings on the stator or rotor structure
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor Or Generator Frames (AREA)
Abstract
The present invention provides a kind of brushless electric machine, including rotating shaft, drive end bearing bracket, rear end cap, connecting rod, fore bearing, rear bearing, stator module, rotor assembly, circuit board and insulation spacer；Fore bearing, rear bearing, rotor assembly are arranged at rotating shaft, and rotor assembly is located between fore bearing, rear bearing；Drive end bearing bracket is connected to fore bearing, and rear end cap is connected to rear bearing, is fixed between drive end bearing bracket and rear end cap through connecting rod；Stator module includes stator core, insulation framework and stator winding thereon；One end of insulation framework is connected to drive end bearing bracket, the other end and is connected to rear end cap；Insulation framework has a supporting part, and circuit board is connected to the supporting part；Rotor assembly includes rotor core and magnet ring；Circuit board is annular, and rotating shaft passes through its inner circle, and the cylindrical of circuit board is connected to supporting part, the inner circle of the inner circle of circuit board against magnet ring.Beneficial effect is：By checking, brushless electric machine of the invention can reach the existing performance for being provided with signal magnet ring brushless electric machine.
Description
Technical field
The present invention relates to machine field, particularly a kind of brushless electric machine.
Background technology
Existing high-performance brushless electric machine, including parts it is many, for example：Signal magnet ring, adds and is produced into
This, also increases the complexity of technique.
The content of the invention
In order to solve above-mentioned existing technical problem, the present invention provides a kind of brushless electric machine, is ensureing the brushless electric machine
While energy, it is not necessary to use signal magnet ring.
The present invention solves above-mentioned existing technical problem there is provided a kind of brushless electric machine, including rotating shaft, drive end bearing bracket, rear end cap,
Connecting rod, fore bearing, rear bearing, stator module, rotor assembly, circuit board and insulation spacer；The fore bearing, the rear axle
Hold, the rotor assembly is arranged at the rotating shaft, the rotor assembly is located between the fore bearing, the rear bearing；It is described
Drive end bearing bracket is connected to the fore bearing, and the rear end cap is connected to the rear bearing, between the drive end bearing bracket and the rear end cap
It is fixed through connecting rod；The stator module includes stator core, insulation framework and stator winding thereon；The insulation bone
One end of frame is connected to the drive end bearing bracket, the other end and is connected to the rear end cap；The insulation framework has a supporting part, described
Circuit board is connected to the supporting part；The rotor assembly includes rotor core and magnet ring；The circuit board is annular, the rotating shaft
Through its inner circle, the cylindrical of the circuit board is connected to the supporting part, and the inner circle of the circuit board is against in the magnet ring
Circle.
Further improvement of the present invention is as described below.
Including insulation spacer, the insulation spacer is located between the circuit board and the stator winding, fixed for isolating
The high-voltage field of sub- coiling.
The insulation spacer is arranged at the end of the insulation framework.
Including wave washer, the fore bearing is connected to the drive end bearing bracket through the wave washer.
The circuit board is provided with Hall circuit.
The circuit board is provided with power circuit.
One end of the magnet ring is provided with necking.
Compared to prior art, the beneficial effects of the invention are as follows：By checking, brushless electric machine of the invention can reach
The existing performance for being provided with signal magnet ring brushless electric machine.
Brief description of the drawings
Fig. 1 is the diagrammatic cross-section of brushless electric machine of the present invention.
Fig. 2 is the local structural representations of Fig. 1.
Fig. 3 is the structural representation of the magnet ring.
Fig. 4 is the structural representation of the circuit board.
Rotating shaft 11
Drive end bearing bracket 12
Rear end cap 13
Connecting rod 14
Fore bearing 15
Bearing 16 afterwards
The supporting part 1711 of stator module insulation framework 171
Stator winding 172
The necking 1811 of rotor assembly magnet ring 181
Rotor core 182
Circuit board 19
Insulation spacer 20
Wave washer 21
Embodiment
The present invention is further described for explanation and embodiment below in conjunction with the accompanying drawings.
As shown in Figures 1 to 4, a kind of brushless electric machine, including it is rotating shaft 11, drive end bearing bracket 12, rear end cap 13, connecting rod 14, preceding
Bearing 15, rear bearing 16, stator module, rotor assembly, circuit board 19 and insulation spacer 20.Fore bearing 15, rear bearing 16, rotor
Component is arranged at rotating shaft 11, and rotor assembly is located between fore bearing 15, rear bearing 16；Drive end bearing bracket 12 is connected to fore bearing 15, after
End cap 13 is connected to rear bearing 16, is fixed between drive end bearing bracket 12 and rear end cap 13 through connecting rod 14.Stator module includes fixed
Sub unshakable in one's determination, insulation framework 171 and stator winding 172 thereon；One end of insulation framework 171 is connected to drive end bearing bracket 12, the other end
Rear end cap 13 is connected to, drive end bearing bracket 12, rear end cap 13 and insulation framework 171 constitute the installation foundation of the brushless electric machine.Insulate bone
Frame 171 has a supporting part 1711, and circuit board 19 is connected to the supporting part 1711；Rotor assembly includes rotor core 182 and magnetic
Ring 181；Circuit board 19 is annular, and rotating shaft 11 passes through its inner circle, and the cylindrical of circuit board 19 is connected to supporting part 1711, circuit board 19
Inner circle against magnet ring 181 inner circle.Circuit board 19 is fixed, and magnet ring 181 is rotated, its relative change in location, energy
Enough it is acquired, analyzes and handles, signal magnet ring is used so as to omit.
Brushless electric machine of the present invention includes insulation spacer 20, and insulation spacer 20 is located between circuit board 19 and stator winding 172,
High-voltage field for isolating stator winding 172, eliminates influence of the high-voltage field to circuit board 19.Specifically, insulation spacer 20 is set
It is placed in the end of insulation framework 171.
Brushless electric machine of the present invention includes wave washer 21, and fore bearing 15 is connected to drive end bearing bracket 12 through wave washer 21.
The circuit board 19 of the present invention is provided with Hall circuit, power circuit.The circuit board 19 is integrated circuit board 19, energy
The cost enough saved material, simplifies the production technology of brushless electric machine.
One end of magnet ring 181 of the present invention is provided with necking 1811, is carried out during with to installing magnet ring 181 spacing.
The rotating shaft 11 of the present invention uses stainless steel, so as to reduce magnetic loss, prevent corrosion.Drive end bearing bracket 12 and rear end cap 13
Aluminium is used, to mitigate the gross weight of brushless electric machine, also increases radiating effect.Insulation framework 171 is the plastic cement of high-insulation
Material.Magnet ring 181 is injecting ferrite, realizes the conversion of electric energy and mechanical energy, output torque.Stator core, using high-performance
Silicon steel sheet stack riveting is formed, and constitutes flux circuit and fixed stator coils.Rotor core 182, using high performance silicon steel disc, constitutes magnetic
Logical loop, strengthens magnetic flux density.Insulation spacer 20, using high-insulation material, prevents circuit board 19 and around linear contact lay, plays absolutely
Edge effect.Wave washer 21, prestressing force is applied to bearing, and noise during reduction bearing transport improves the stationarity of bearing operation.
Insulation framework 171, using high-insulation plastics will, the fixed stator that gets up is had mercy on line, the effect of fixing circuit board 19.
Above content is to combine specific preferred embodiment further description made for the present invention, it is impossible to assert
The specific implementation of the present invention is confined to these explanations.For general technical staff of the technical field of the invention,
On the premise of not departing from present inventive concept, some simple deduction or replace can also be made, should all be considered as belonging to the present invention's
Protection domain.
Claims (7)
1. a kind of brushless electric machine, it is characterised in that：Including rotating shaft, drive end bearing bracket, rear end cap, connecting rod, fore bearing, rear bearing, fixed
Sub-component, rotor assembly, circuit board and insulation spacer；
The fore bearing, the rear bearing, the rotor assembly are arranged at the rotating shaft, and the rotor assembly is located at the front axle
Hold, between the rear bearing；
The drive end bearing bracket is connected to the fore bearing, and the rear end cap is connected to the rear bearing, the drive end bearing bracket with it is described after
It is fixed between end cap through connecting rod；
The stator module includes stator core, insulation framework and stator winding thereon；One end connection of the insulation framework
The rear end cap is connected in the drive end bearing bracket, the other end；The insulation framework has a supporting part, and the circuit board is connected to
The supporting part；
The rotor assembly includes rotor core and magnet ring；
The circuit board is annular, and the rotating shaft passes through its inner circle, and the cylindrical of the circuit board is connected to the supporting part, described
Inner circle of the inner circle of circuit board against the magnet ring.
2. brushless electric machine according to claim 1, it is characterised in that：Including insulation spacer, the insulation spacer is located at institute
State between circuit board and the stator winding, the high-voltage field for isolating stator winding.
3. brushless electric machine according to claim 2, it is characterised in that：The insulation spacer is arranged at the insulation framework
End.
4. brushless electric machine according to claim 3, it is characterised in that：Including wave washer, the fore bearing is through the ripple
Shape packing ring is connected to the drive end bearing bracket.
5. the brushless electric machine according to Claims 1-4 any one, it is characterised in that：The circuit board is provided with Hall
Circuit.
6. the brushless electric machine according to Claims 1-4 any one, it is characterised in that：The circuit board is provided with power supply
Circuit.
7. brushless electric machine according to claim 1, it is characterised in that：One end of the magnet ring is provided with necking.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710524163.3A CN107196482A (en) | 2017-06-30 | 2017-06-30 | Brushless electric machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710524163.3A CN107196482A (en) | 2017-06-30 | 2017-06-30 | Brushless electric machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107196482A true CN107196482A (en) | 2017-09-22 |
Family
ID=59881115
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710524163.3A Pending CN107196482A (en) | 2017-06-30 | 2017-06-30 | Brushless electric machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107196482A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108258873A (en) * | 2017-12-15 | 2018-07-06 | 浙江明磊新能源科技有限公司 | A kind of thoughts brushless motor |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201374636Y (en) * | 2009-02-18 | 2009-12-30 | 深圳市拓邦电子科技股份有限公司 | Coreless direct current brushless motor and motor driven tool |
| CN203278559U (en) * | 2013-05-24 | 2013-11-06 | 王加龙 | Brushless direct-current electromotor structure for electric control diesel burner |
| CN203352332U (en) * | 2013-07-24 | 2013-12-18 | 中山大洋电机制造有限公司 | Plastic packaging motor insulation end plate mounting structure |
| CN203788101U (en) * | 2014-03-19 | 2014-08-20 | 甘军 | Starting device for booster pump |
| CN204349752U (en) * | 2015-02-04 | 2015-05-20 | 佛山普瑞尔永磁电机科技有限公司 | A kind of efficient ultrashort permanent-magnet synchronous door motor |
| CN205017175U (en) * | 2015-10-13 | 2016-02-03 | 珠海凯邦电机制造有限公司 | Plastic package motor, plastic package stator and air conditioner indoor unit |
-
2017
- 2017-06-30 CN CN201710524163.3A patent/CN107196482A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201374636Y (en) * | 2009-02-18 | 2009-12-30 | 深圳市拓邦电子科技股份有限公司 | Coreless direct current brushless motor and motor driven tool |
| CN203278559U (en) * | 2013-05-24 | 2013-11-06 | 王加龙 | Brushless direct-current electromotor structure for electric control diesel burner |
| CN203352332U (en) * | 2013-07-24 | 2013-12-18 | 中山大洋电机制造有限公司 | Plastic packaging motor insulation end plate mounting structure |
| CN203788101U (en) * | 2014-03-19 | 2014-08-20 | 甘军 | Starting device for booster pump |
| CN204349752U (en) * | 2015-02-04 | 2015-05-20 | 佛山普瑞尔永磁电机科技有限公司 | A kind of efficient ultrashort permanent-magnet synchronous door motor |
| CN205017175U (en) * | 2015-10-13 | 2016-02-03 | 珠海凯邦电机制造有限公司 | Plastic package motor, plastic package stator and air conditioner indoor unit |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108258873A (en) * | 2017-12-15 | 2018-07-06 | 浙江明磊新能源科技有限公司 | A kind of thoughts brushless motor |
| CN108258873B (en) * | 2017-12-15 | 2020-02-21 | 浙江明磊工具实业有限公司 | Inductive brushless motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20170922 |