CN104753257B - A kind of motor and its magnetization method - Google Patents
A kind of motor and its magnetization method Download PDFInfo
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- CN104753257B CN104753257B CN201510134828.0A CN201510134828A CN104753257B CN 104753257 B CN104753257 B CN 104753257B CN 201510134828 A CN201510134828 A CN 201510134828A CN 104753257 B CN104753257 B CN 104753257B
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Abstract
The present invention relates to a kind of motor and its magnetization method.The motor, including stator, rotor, substrate, two end caps；The rotor passes through stator, and bearing by front and rear cover and on end cap is assemblied on stator；The substrate is arranged on stator；The rotor includes rotating shaft and magnet ring, and the magnet ring is set in rotating shaft；The magnet ring includes being used for the power function region of drive shaft rotation and for recording rotary state and generation direction and the semiotic function region of rate signal.Compared to prior art, the present invention is by the way that motor power functional area and semiotic function region are magnetized using same magnet ring simultaneously, and disposable assembling, workability is improved, and the activity duration shortens；Adjusted after assembling without signal section, operation station is reduced, without special adjusting device.Present invention also offers a kind of magnetization method applied to above-mentioned motor.
Description
Technical field
Power section and signal section can be carried out to same section of magnet ring simultaneously the present invention relates to a kind of motor, particularly one kind
The motor magnetized；The invention further relates to a kind of magnetization method applied to above-mentioned motor.
Background technology
Referring to Fig. 1, its overall structure diagram for the motor of prior art.Existing motor includes stator 1a, turned
Sub- 2a, sensor 3a, end cap 4a.
Please refer to Fig. 2 a-2b, it is respectively side and the positive structure schematic of stator.The stator 1a includes fixed
The sub- main body 11a and power wiring substrate 12a being arranged on stator body 11a.
Please refer to Fig. 3 a, it is the structural representation of the rotor of prior art.The rotor 2a include rotating shaft 22a and
Power magnet ring 21a, the power magnet ring 21a are set on rotating shaft 22a.Fig. 3 b are the magnetic pole distributions of the power magnet ring of prior art
Figure.After the power magnet ring 21a magnetizes, 4 pairs of centrosymmetric magnetic poles are formed on power magnet ring 21a.
Wherein, the rotor 2a passes through stator body 11a, and rotor 2a rear and front end passes through rear and front end lid 4a
Bearing 41a and stator 1a be assembled together.
Fig. 4 a-4d are referred to, it is respectively the connection diagram for the sensor for being prior art, signal magnet ring and axle sleeve
Installation diagram, signal magnet ring the magnetic pole distribution map after magnetic and Fig. 4 d be prior art signal substrate position view.It is described
Sensor 3a includes axle sleeve 31a, signal magnet ring 32a and signal circuit substrate 33a.Wherein, the signal circuit of the sensor 3a
Substrate 33a is arranged on rear end cap 4a；The signal magnet ring 32a is set on axle sleeve 31a and is fixed by screws in rotor 2a
On.Wherein, after the signal magnet ring 32a magnetizes, 4 pairs of centrosymmetric magnetic poles are formed on signal magnet ring 32a.
The power wiring substrate 12a is connected with power magnet ring 21a, and the signal substrate 33a and signal magnet ring 32a connects
Connect.Wherein, power magnet ring 21a and power wiring substrate 12a is used for the rotation of motor rotor；Signal magnet ring 32a and signal
Substrate 33a is used to record rotary state, generation direction and rate signal, and feeds back to the control device beyond motor.
However, the structure based on existing motor, is respectively to separate power magnet ring and signal magnet ring during magnetizing
Magnetize, then installed respectively, therefore cause prior art to there is following technological deficiency：
1st, because the mode of magnetizing of existing motor is：Power magnet ring and signal magnet ring are separately magnetized, are respectively mounted, is made
The industry time is long；
2nd, because the power magnet ring and signal magnet ring of motor are separated, magnet ring needs to separately design making, and needs to divide
Not She Ji magnetizing coil magnetic, cause cost to increase；
3rd, due to motor power section and signal section is separated, it is necessary to increase the circuit production production of signal section
Station and equipment；
4th, due to motor signal magnet ring need it is separately installed and carry out signal adjustment, it is necessary to increase operation station and
Special adjusting device.
5th, because power magnet ring and separating for signal magnet ring are magnetized and assembled, length, the volume increase of motor are caused.
The content of the invention
The invention reside in the shortcoming and deficiency of prior art are overcome, there is provided a kind of power that can simultaneously to same section of magnet ring
The motor that funtion part and semiotic function part are magnetized.
The present invention is realized by following technical scheme：A kind of motor, including stator, rotor, substrate, two ends
Lid；The rotor passes through stator, and bearing by front and rear cover and on end cap is assemblied on stator；The substrate
It is arranged on stator；The rotor includes rotating shaft and magnet ring, and the magnet ring is set in rotating shaft；The magnet ring includes being used to drive
The power function region of axis of rotation and the semiotic function region for generating rotary state signal.
Compared to prior art, the present invention by motor power functional area and semiotic function region by using same section of magnetic
Ring is magnetized simultaneously, and disposable assembling, workability is improved, and the activity duration shortens；Adjusted after assembling without signal section, operation station
Reduce, without special adjusting device.
Further, due to the magnet ring in the power function region of motor and semiotic function region being merged, therefore it can reduce
The cost designed and produced with magnetizing coil of magnet ring.Simultaneously as the magnet ring in power function region and semiotic function region merges,
So that the length of motor, volume reduce, be conducive to the miniaturization of motor, lightweight.
As a further improvement on the present invention, the magnetic pole line of demarcation in the semiotic function region and the axially in parallel of rotating shaft or
It is at an angle；The magnetic pole line of demarcation in the power function region and the axially in parallel of rotating shaft or into an angle of inclination, and its be 0~
30 degree.
Preferably, the length in the semiotic function region is more than 0mm, and it is less than or equal to power function region and letter
The 50% of the total length of number functional area.
As a further improvement on the present invention, the substrate is provided with power connection circuit and sensor signal circuit；Institute
Power connection circuit is stated to electrically connect with the power function region；The sensor signal circuit and semiotic function region electricity
Connection.
By the way that power connection circuit and transducing signal circuit are set on the same substrate, therefore transducing signal need not be directed to
Circuit carries out independent make and produced, and correspondingly reduces cost investment.
As a further improvement on the present invention, the rotor also includes a positioning element；The magnet ring passes through the location division
Part is fixed in the axial direction of rotating shaft.Further, by increasing the positioning element of magnet ring, magnet ring power function region and signal are improved
The precision of the position of magnetizing of functional area, further lifting motor performance.
As a further improvement on the present invention, the positioning element is the pad that a center is provided with axis hole, the pad set
It is located in rotating shaft.
A kind of magnetization method applied to above-mentioned motor, it comprises the following steps：
Step 1：One magnetizing coil is provided；The coil, which includes two sections, to realize that two sections of differences magnetic to same section of magnet ring simultaneously
The coiler part of shape；
Step 2：The rotor for being arranged with magnet ring is put into the magnetizing coil, transient high voltage is connected to magnetizing coil, made
Magnet ring magnetize and formed on magnet ring the magnetic circuit for providing semiotic function and power function respectively magnetic shape.Wherein, make
To be preferred, the scope of the voltage of the connection is：1500V~3000V.
As a further improvement on the present invention, the signal of the coil magnetizes the coil-winding direction of part and the power fills
The coil-winding direction of magnetic part is parallel or into an angle of inclination, and the angle of inclination is 0~30 degree；After the completion of magnetizing, institute
State the semiotic function region of magnet ring magnetic pole line of demarcation and rotating shaft it is axially in parallel；The magnetic pole line of demarcation in the power function region
With the axially in parallel of rotating shaft or into an angle of inclination, and the angle of inclination is 0~30 degree.
Preferably, the length in the semiotic function region is more than 0mm, and less than or equal to power function regional signal work(
The 50% of the total length in energy region.
In order to more fully understand and implement, the invention will now be described in detail with reference to the accompanying drawings.
Brief description of the drawings
Fig. 1 is the overall structure diagram of the motor of prior art.
Fig. 2 a are the stator side structural representations of prior art.
Fig. 2 b are the positive structure schematics of the stator of prior art.
Fig. 3 a are the structural representations of the rotor of prior art.
Fig. 3 b are the magnetic pole distribution maps of the power magnet ring of prior art.
Fig. 4 a are the connection diagrams of the sensor of prior art.
Fig. 4 b are the signal magnet ring of prior art and the installation diagram of axle sleeve.
Fig. 4 c are that the signal magnet ring of prior art the magnetic pole distribution map after magnetic.
Fig. 4 d are the position views of the signal substrate of prior art.
Fig. 5 a are the overall structure diagrams of the motor of the present invention.
Fig. 5 b are the exploded views of the electric machine structure of the present invention.
Fig. 6 a are the side structure schematic diagrams of the stator of the present invention.
Fig. 6 b are the positive structure schematics of the stator of the present invention.
Fig. 7 is the substrate separation schematic diagram of the present invention.
Fig. 8 is the structural representation of the rotor of the present invention.
Fig. 9 a are the magnetic pole line of demarcation schematic diagrames of magnet ring of the present invention.
Fig. 9 b are the magnetic pole distribution maps of the magnet ring of the present invention.
The magnet ring that Figure 10 is the present invention magnetizes schematic diagram.
Figure 11 is the coiling schematic diagram of the magnetizing coil of the present invention.
Embodiment
Please refer to Fig. 5 a and Fig. 5 b, it is respectively the overall structure diagram and STRUCTURE DECOMPOSITION of the motor of the present invention
Figure.The motor of the present invention, including stator 1, substrate 12, rotor 2 and two end caps 3.The rotor 2 is arranged in stator 1, and should
The rear and front end of rotor 2 is connected with the two end cap 3 respectively, to fix on the stator 1.The substrate 12 is set on the stator 1.
Specifically, the two end cap 3 is respectively equipped with bearing 31；The rear and front end of the rotor 2 is separately positioned on the bearing of the two end cap 3
On 31.
Please refer to Fig. 6 a and 6b, it is respectively the side of stator of the present invention and positive structural representation.Wherein, institute
Stating stator includes stator body 11.Specifically, in the present embodiment, the substrate 12 is arranged on the end face of the stator body 11
On.Please refer to Fig. 7, it separates schematic diagram for the substrate of the present invention.The substrate 12 is sandwich construction, which is provided with power
Connection circuit 121 and sensor signal circuit 122.Wherein, the power connection circuit 121 includes four layers of circuit submounts, institute
Stating sensor signal circuit 122 includes two-tier circuit submounts.The power connection circuit 121 and sensor signal circuit 122
Between mutually insulated set.
Referring to Fig. 8, its structural representation for the rotor of the present invention.The rotor 2 includes magnet ring 21 and rotating shaft 22, institute
Magnet ring 21 is stated to be set in rotating shaft 22.Further for the positioning for facilitating magnet ring 21, the rotor 2 also includes a positioning element
23；The magnet ring 21 is fixed in the axial direction of rotating shaft 22 by the positioning element 23.Specifically, the positioning element 23 is set in
In rotating shaft 22, magnet ring 21 can be stopped by the positioning element 23, slip of the magnet ring 21 in rotating shaft 22 be prevented, to magnetic
Ring 21 is positioned.In the present embodiment, the positioning element 23 is the pad that a center is provided with axis hole.
Please refer to Fig. 9 a and Fig. 9 b, it is respectively magnetic pole line of demarcation schematic diagram and the magnetic pole distribution of the magnet ring of the present invention
Figure.The magnet ring 21 includes being used for the power function region of drive shaft rotation and for recording rotary state and generation direction
With the semiotic function region of rate signal.Wherein, the power connection circuit is electrically connected with the power function region；It is described to pass
Sensor signal circuit is electrically connected with the semiotic function region.Wherein, the sensor signal circuit and the semiotic function area
Domain electric connection mode is, the line of magnetic induction produced by the sensing element on sensor signal circuit to semiotic function regional magnetic field
Sensed, by the signal of the processing generation reflection motor rotary state of signal circuit.
Specifically, the magnetic pole line of demarcation 211 of the magnet ring 21 includes signal magnetic pole line of demarcation 212 and power magnetic pole line of demarcation
213.The magnetic pole line of demarcation 212 in the semiotic function region and the axially in parallel of rotating shaft 22 or into an angle of inclination；The power
The magnetic pole line of demarcation 213 of functional area and the axially in parallel of rotating shaft 22 or into an angle of inclination.In the present embodiment, the power
The magnetic pole line of demarcation 213 of functional area and the axial direction of rotating shaft 22 are into an angle of inclination between 0~30 degree, preferably, should
Angle of inclination is specifically set as 5~20 degree.The length in the semiotic function region is more than 0mm, and less than or equal to power function
The 50% of the total length in region and semiotic function region；It is preferred that the length range in the semiotic function area is 2~8mm.When described
Semiotic function section length for it is infinitely small when, i.e., infinite approach 0 when, can be determined by the unlimited amplification of length its state be with
The axial direction of rotating shaft 22 is in parallel or with certain angle of inclination.In the present embodiment, when magnet ring 21 magnetic after, in the magnet ring
Four pairs of centrosymmetric magnetic poles are formed on 21.
When motor works, current signal is sent to magnet ring power function area by the power connection circuit 121 of substrate 12
Domain, so as to drive the rotation of the machine shaft 22.Now, the semiotic function region of the magnet ring is directed to the rotation shape of rotating shaft 22
State, rotation direction and speed are recorded, by sensor signal circuit 122 by beyond the feedback of the information recorded to motor
On control device.
Compared to prior art, the present invention by motor power functional area and semiotic function region by using same magnet ring
Magnetize simultaneously, disposable assembling, workability is improved, and the activity duration shortens；Adjusted after assembling without signal section, operation station subtracts
It is few, without special adjusting device.
Further, due to the magnet ring in the power function region of motor and semiotic function region being merged, therefore it can reduce
The cost designed and produced with magnetizing coil of magnet ring.Simultaneously as the magnet ring in power function region and semiotic function region merges,
So that the length of motor, volume reduce, be conducive to the miniaturization of motor, lightweight.
Further, by the way that power connection circuit and transducing signal circuit are set on the same substrate, therefore it need not be directed to
Transducing signal circuit carries out independent make and produced, and correspondingly reduces equipment cost investment.
Further, by increasing the positioning element of magnet ring, filling for magnet ring power function region and semiotic function region is improved
The precision of magnetic potential, further lifting motor performance.
In order to be magnetized to above-mentioned magnet ring, present invention also offers the magnetization method of corresponding motor.Referring to Fig. 10,
It is the schematic diagram that magnetizes of the magnet ring of the present invention.The magnetization method of the motor of the present invention, it comprises the following steps：
Step 1：One magnetizing coil 4 is provided；The coil 4 magnetizes part 41 including a signal and power magnetizes part 42；Tool
Body, Figure 11 is referred to, it is the coiling schematic diagram of the magnetizing coil of the present invention.The signal of the coil 4 magnetizes part 41
Coil-winding direction and the power magnetize part 42 coil-winding direction into an angle of inclination.
Step 2：The rotor for being cased with magnet ring is put into the magnetizing coil 4, transient high voltage is connected to magnetizing coil 4；
Semiotic function region and power function region are formed on magnet ring；Specifically, in the present invention, the value range for the voltage connected
For：1500V~3000V.
After the completion of magnetizing, the magnetic pole line of demarcation in the semiotic function region of the magnet ring and rotating shaft it is axially in parallel, it is described
The magnetic pole line of demarcation in power function region and the axially in parallel of rotating shaft or into an angle of inclination.In the present embodiment, the power
The magnetic pole line of demarcation of functional area and the axial direction of rotating shaft are into an angle of inclination, and the angle of inclination is between 0~30 degree.As excellent
Choosing, the range of tilt angles is 5~20 degree.The thickness in the semiotic function region is more than 0mm, and less than or equal to power function
The 50% of the total length in region and semiotic function region, the length range in the semiotic function area is 2~8mm.
The invention is not limited in above-mentioned embodiment, if the various changes or deformation to the present invention do not depart from the present invention
Spirit and scope, if these are changed and deformation belongs within the scope of the claim and equivalent technologies of the present invention, then this hair
It is bright to be also intended to comprising these changes and deform.
Claims (3)
1. a kind of motor, including stator, rotor, substrate and two end caps；The rotor pass through stator, and by front and rear cover with
And the bearing on end cap is assemblied on stator；The substrate is arranged on stator；It is characterized in that：The rotor includes
Rotating shaft and magnet ring, the magnet ring are set in rotating shaft, and the magnet ring include be used for drive shaft rotate power function region and
Semiotic function region for generating rotary state signal；The rotor also includes a positioning element；The magnet ring is fixed by this
Position part is fixed in the axial direction of rotating shaft；
The substrate is provided with power connection circuit and sensor signal circuit；The power connection circuit and the power function
Region is electrically connected；The sensor signal circuit is electrically connected with the semiotic function region；
The substrate is sandwich construction, and the power connection circuit includes four layers of circuit submounts, the sensor signal circuit
Including two-tier circuit submounts, mutually insulated is set between the power connection circuit and sensor signal circuit.
2. motor according to claim 1, it is characterised in that：The magnetic pole line of demarcation in the semiotic function region and the axle of rotating shaft
To parallel, or into an angle of inclination, and the angle of inclination is 0-30 degree；The magnetic pole line of demarcation in the power function region and rotating shaft
It is axially in parallel or into an angle of inclination, and the angle of inclination be 0-30 degree.
3. motor according to claim 1, it is characterised in that：The length in the semiotic function region is more than 0mm, and it is less than
Or equal to the 50% of power function region and semiotic function region total length.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510134828.0A CN104753257B (en) | 2015-03-25 | 2015-03-25 | A kind of motor and its magnetization method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510134828.0A CN104753257B (en) | 2015-03-25 | 2015-03-25 | A kind of motor and its magnetization method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104753257A CN104753257A (en) | 2015-07-01 |
| CN104753257B true CN104753257B (en) | 2017-08-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510134828.0A Active CN104753257B (en) | 2015-03-25 | 2015-03-25 | A kind of motor and its magnetization method |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113593810B (en) * | 2021-09-29 | 2021-12-03 | 宁波兴隆磁性技术有限公司 | Encoding magnetizing method for encoding irregular magnetic grid ruler |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2847477Y (en) * | 2005-11-23 | 2006-12-13 | 赵昌苗 | Magnetizing device |
| CN101243598A (en) * | 2005-11-29 | 2008-08-13 | 松下电器产业株式会社 | Motor |
| CN201355796Y (en) * | 2009-01-23 | 2009-12-02 | 东明机电（深圳）有限公司 | Brushless DC motor used for suction cleaners |
| CN101617460A (en) * | 2007-03-09 | 2009-12-30 | 松下电器产业株式会社 | Brushless motor |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11299207A (en) * | 1998-04-17 | 1999-10-29 | Matsushita Electric Ind Co Ltd | Brushless motor |
| JP3601003B2 (en) * | 2000-03-24 | 2004-12-15 | 株式会社ケンウッド | Magnetizing device |
| JP5520454B2 (en) * | 2008-05-12 | 2014-06-11 | ツカサ電工株式会社 | Manufacturing method of rotor |
-
2015
- 2015-03-25 CN CN201510134828.0A patent/CN104753257B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2847477Y (en) * | 2005-11-23 | 2006-12-13 | 赵昌苗 | Magnetizing device |
| CN101243598A (en) * | 2005-11-29 | 2008-08-13 | 松下电器产业株式会社 | Motor |
| CN101617460A (en) * | 2007-03-09 | 2009-12-30 | 松下电器产业株式会社 | Brushless motor |
| CN201355796Y (en) * | 2009-01-23 | 2009-12-02 | 东明机电（深圳）有限公司 | Brushless DC motor used for suction cleaners |
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| Publication number | Publication date |
|---|---|
| CN104753257A (en) | 2015-07-01 |
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