CN103187809B - Motor stator component and there is the motor of this stator module - Google Patents
Motor stator component and there is the motor of this stator module Download PDFInfo
- Publication number
- CN103187809B CN103187809B CN201110451690.9A CN201110451690A CN103187809B CN 103187809 B CN103187809 B CN 103187809B CN 201110451690 A CN201110451690 A CN 201110451690A CN 103187809 B CN103187809 B CN 103187809B
- Authority
- CN
- China
- Prior art keywords
- coil
- connecting line
- circuit board
- motor stator
- stator component
- 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.)
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Links
- 238000003466 welding Methods 0.000 claims description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims 1
- 238000004804 winding Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- PMVSDNDAUGGCCE-TYYBGVCCSA-L Ferrous fumarate Chemical group [Fe+2].[O-]C(=O)\C=C\C([O-])=O PMVSDNDAUGGCCE-TYYBGVCCSA-L 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Abstract
The present invention relates to a kind of motor stator component, including a stator core, 3M coil and a circuit board being fixed to this stator core.This stator core has 3M tooth, and wherein, M is the integer not less than 2.This 3M coil is wound to this 3M tooth respectively.This circuit board is electrically connected to the two ends of each coil and makes this 3M coil connect into three-phase according to delta connection, includes the coil that at least two is in parallel mutually.Owing to each coil realizes mutual electrical connection, the outside electrical connection vibrated between survivable each coil by circuit board, improve ruggedness.The present invention also provides for a motor with said stator assembly.
Description
Technical field
The present invention relates to a kind of brushless electric machine.
Background technology
Electric tool (Power tools) typically requires and exports high rotating speed under conditions of low-voltage, therefore, just
Must make in the coil in its motor by bigger electric current.In this case, the wire used by coil
To be more slightly preferred.But, when using common coil winding machine that heavy gauge wire is coiled into coil, due to wire relatively
Slightly, winding process is relatively difficult, is also easy to damage spool (bobbin) and the insulating barrier of wire appearance.In order to
Overcome the problems referred to above, generally by some additional wire butt-joints to each coil so that the coils from parallel connection of coils of correspondence connects
Connect, the most just can use thinner wire.But, the vibration in electric tool work high-speed rotation
Easily make the additional wire fracture of wire, reduce the ruggedness of electric tool.
Summary of the invention
The present invention provides a kind of durable motor stator component and has the motor of this motor stator component.
A kind of motor stator component, is fixed to this stator including a stator core, 3M coil and one
Iron core circuit board.This stator core has 3M tooth, and wherein, M is the integer not less than 2.This 3M
Individual coil is wound to this 3M tooth respectively.This circuit board is electrically connected to the two ends of each coil and makes this 3M
Coil connects into three-phase according to delta connection, includes the coil that at least two is in parallel mutually.
A kind of motor, including a stator core, rotor being placed in this stator core, 3M
Coil and one are fixed to this stator core circuit board.This stator core has 3M tooth, wherein, M
For the integer not less than 2.This 3M coil is wound to this 3M tooth respectively.This circuit board is electrically connected to
The two ends of each coil also make this 3M coil connect into three-phase according to delta connection, include at least mutually
Two coils in parallel.
Owing to each coil realizes mutual electrical connection, the outside survivable each line of vibration by circuit board
Electrical connection between circle, improves ruggedness.
In order to be able to be further understood that inventive feature and technology contents, refer to below in connection with this
Bright detailed description and accompanying drawing, but institute's accompanying drawing only provides reference and explanation use, is not used for the present invention
It is any limitation as.
Accompanying drawing explanation
Fig. 1 is the schematic perspective view of the motor of better embodiment of the present invention；
The annexation of the motor stator component that Fig. 2 is the stator in the motor of Fig. 1 and circuit board is constituted
Schematic diagram.
Fig. 3 is the circuit connection diagram of the motor of Fig. 1.
Detailed description of the invention
Below in conjunction with the accompanying drawings, by the detailed description of the invention of the present invention is described in detail, will make the present invention's
Technical scheme and other beneficial effects are apparent.
Referring to Fig. 1, the motor 10 of the present invention includes that a stator 100, is contained in stator 100
Rotor 200 and a circuit board 300 being arranged on stator 100 side.
Please in conjunction with Fig. 2 and Fig. 3, stator 100 include one have the first to the 6th tooth 111,112,113,
114,110, end cap 118 being fixed to 110 1 end faces of stator core of the stator core of 115,116
And be individually wound to the first to the 6th coil 121 of these six teeth, 122,123,124,125,
126.End cap 118 stretches out three grabs 120.After each coil is wound to the tooth of correspondence, its head end
121a, 122a, 123a, 124a, 125a, 126a and end 121b, 122b, 123b, 124b,
125b, 126b all extend to circuit board 300.
Circuit board 300 is substantially round in shape and its diameter is substantially equal to the external diameter of stator 100.In the middle of circuit board 300
Offer and hold the through hole that passes of rotating shaft of rotor 200 and its outer rim offers three grooves 302, each groove 302
Engage with corresponding grab 120 and make circuit board 300 be fixed to stator 100.Circuit board 300 also includes three
The most semicircular arc and be evenly distributed on the first to the 3rd connecting line 310,320,330 of its periphery.
Each connecting line is respectively provided with a starting point 311,321,331, a terminal 312,322,332 and being positioned at
For being electrically connected to a power connection points 313,323,333 of outside three phase mains between point and terminal.
Each connecting line length near its one end about 1/3rd is positioned at outside adjacent connecting line and near the other end
The length of about 1/3rd is positioned at the inner side of another adjacent connecting line, so, can make each connecting line it
Between the most directly electrically connect and facilitate cabling mutually.
The starting point of each connecting line and terminal are located substantially between adjacent two coil, and are electrically connected to this
Two adjacent coils are near this starting point and one end of terminal.So, facilitate between coil and connecting line
Connection.Specifically, the starting point 311 of the first connecting line 310 is positioned at the 5th coil 125 and the 6th coil 126
Between, and it is electrically connected to end 125b and head end 126a；The terminal 312 of the first connecting line 310 is positioned at
Between two coil 122 and tertiary coil 123, and it is electrically connected to end 122b and head end 123a.Second even
The starting point 321 of wiring 320 is between first coil 121 and the second coil 122, and is electrically connected to end
121b and head end 122a；The terminal 322 of the second connecting line 320 is positioned at the 4th coil 124 and the 5th coil 125
Between, and it is electrically connected to end 124b and head end 125a.The starting point 331 of the 3rd connecting line 330 is positioned at
Between three-winding 123 and the 4th coil 124, and it is electrically connected to end 123b and head end 124a；3rd even
The terminal 332 of wiring 330 is between the 6th coil 126 and first coil 121, and is electrically connected to end
126b and head end 121a.
So, the first to the 6th coil 121,122,123,124,125,126 is according to delta connection
Connect into three-phase, and respectively include two coils in parallel mutually.Specifically, first coil 121 and the second line
Circle 124 is connected in parallel between power connection points 333 and 323, and the second coil 122 and the 5th coil 125 are connected in parallel on electricity
Between source junction point 323 and 313, tertiary coil 123 and the 6th coil 126 are connected in parallel on power connection points 313 grades
Between 333.So, owing to each connecting line is to be set directly on circuit board 300, circuit such as it is printed on
On plate 300, outside vibration is difficult to make each connecting line rupture, and improves ruggedness.
In the present embodiment, each starting point, terminal and power connection points are and offer on the circuit board 300
Conductive through hole, adjacent head end and end all insert in a corresponding conductive through hole and pass through welding manner
Fixing.This kind of connected mode ratio is stronger, and each coil is difficult to be vibrated brokenly with the connection of circuit board 300
Bad.
Under the guidance of above-mentioned embodiment, when needing the coil of more than two in parallel in each phase, this
Skilled person can be by revising the arrangement of each connecting line to obtain required circuit.Therefore, it can reason
Solving, the coil that in the present invention, each phase is in parallel is not limited to two.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all at this
Any amendment, equivalent and the improvement etc. made within the spirit of invention and principle, should be included in this
Within the protection domain of invention.
Claims (9)
1. a motor stator component, including:
One stator core, it has 3M tooth, and wherein, M is the integer not less than 2；
3M the coil being wound to this 3M tooth respectively；
One circuit board being fixed to this stator core, it is electrically connected to the two ends of each coil and makes this 3M
Coil connects into three-phase according to delta connection, includes the coil that at least two is in parallel, this circuit board mutually
The connecting lines the most directly electrically connected mutually including three, the two ends of each connecting line be connected to corresponding biphase in line
Circle, the two ends of each connecting line all offer a conductive through hole running through this circuit board, the two ends of each coil
Insert corresponding conductive through hole and electrically connect with corresponding connecting line.
2. the motor stator component as shown in claim 1, it is characterised in that each coil is individually wound around also
Electrically connected with other corresponding coil by this circuit board.
3. the motor stator component as shown in claim 1, it is characterised in that each connecting line be positioned at its two
The position between an end phase in externally connected three phase mains.
Motor stator component the most as stated in claim 3, it is characterised in that this circuit board is for being positioned at this
The printed circuit board (PCB) of the axial side of stator core, these three connecting lines print on the board.
Motor stator component the most as stated in claim 3, it is characterised in that the two ends of each coil are passed through
Welding realizes the electrical connection with corresponding connecting line.
Motor stator component the most as stated in claim 3, it is characterised in that this motor stator component is extremely
Include less the first coil arranged the most in order to the 6th coil, this first and the 4th coil, second
And the 5th coil, the 3rd and the 6th coil respectively and be unified into this three-phase；Each connecting line is substantially in semi arch
Shape, the end points of each connecting line is between two adjacent coils and is electrically connected to this two adjacent lines
Circle is near one end of this end points.
7. the motor stator component as shown in claim 6, it is characterised in that each connecting line is near one
The length of end about 1/3rd is positioned at the radial outside of adjacent connecting line and near the other end about 1/3rd
Length be positioned at the radially inner side of another adjacent connecting line.
8. the motor stator component as shown in claim 6, it is characterised in that each coil has a head
End and an end；One end of one connecting line is connected to end and the head end of the second coil of first coil,
And the other end is connected to end and the head end of the 5th coil of the 4th coil；One end of another connecting line connects
To end and the head end of tertiary coil of the second coil, and the other end is connected to the end and of the 5th coil
The head end of six coils；One end of another connecting line is connected to end and the head of first coil of the 6th coil
Hold, and the other end connects end and the head end of the 4th coil of tertiary coil.
9. a motor, including the motor stator component as described in claim 1 to 8 and be placed in this stator
Rotor in iron core.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110451690.9A CN103187809B (en) | 2011-12-29 | Motor stator component and there is the motor of this stator module | |
| DE102012113095.7A DE102012113095B4 (en) | 2011-12-29 | 2012-12-27 | Brushless motor |
| US13/730,609 US9270146B2 (en) | 2011-12-29 | 2012-12-28 | Brushless motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110451690.9A CN103187809B (en) | 2011-12-29 | Motor stator component and there is the motor of this stator module |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103187809A CN103187809A (en) | 2013-07-03 |
| CN103187809B true CN103187809B (en) | 2016-12-14 |
Family
ID=
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4115915A (en) * | 1975-07-31 | 1978-09-26 | General Electric Company | Process for manufacturing motor having windings constructed for automated assembly |
| CN1139309A (en) * | 1995-06-28 | 1997-01-01 | 三菱电机株式会社 | Vehicle-mounted dlternator |
| US6023117A (en) * | 1998-05-20 | 2000-02-08 | Delta Electronics, Incorporated | Motor device secured by engaging elements |
| CN201199646Y (en) * | 2008-05-09 | 2009-02-25 | 施建新 | Starter stator winding with novel welded structure |
| CN201674297U (en) * | 2010-04-27 | 2010-12-15 | 广东伊莱斯电机有限公司 | Wiring structure of stator winding of micro motor |
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4115915A (en) * | 1975-07-31 | 1978-09-26 | General Electric Company | Process for manufacturing motor having windings constructed for automated assembly |
| CN1139309A (en) * | 1995-06-28 | 1997-01-01 | 三菱电机株式会社 | Vehicle-mounted dlternator |
| US6023117A (en) * | 1998-05-20 | 2000-02-08 | Delta Electronics, Incorporated | Motor device secured by engaging elements |
| CN201199646Y (en) * | 2008-05-09 | 2009-02-25 | 施建新 | Starter stator winding with novel welded structure |
| CN201674297U (en) * | 2010-04-27 | 2010-12-15 | 广东伊莱斯电机有限公司 | Wiring structure of stator winding of micro motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161214 |