CN102801251B - Rotation detecting and motor - Google Patents
Rotation detecting and motor Download PDFInfo
- Publication number
- CN102801251B CN102801251B CN201210169155.9A CN201210169155A CN102801251B CN 102801251 B CN102801251 B CN 102801251B CN 201210169155 A CN201210169155 A CN 201210169155A CN 102801251 B CN102801251 B CN 102801251B
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- sensor magnet
- holding member
- flexible extension
- along
- rotation detecting
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/20—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for measuring, monitoring, testing, protecting or switching
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
Abstract
The present invention relates to a kind of rotation detecting and motor.Described rotation detecting comprises sensor magnet and detecting element.Described sensor magnet is ring-type and is kept to rotate integrally with described rotating shaft by described holding member.Described sensor magnet comprises the first and second end faces vertically, and inside and outside circle side face.Described holding member comprise to be formed with described first end face contact connect portion, and axially extend with towards the inner peripheral surface of described sensor magnet or the flexible extension of outer circumference surface along described.Described flexible extension along described elastomeric radial, and comprises along described radial direction extension with the engagement projection of the second end joined of described sensor magnet.Described sensor magnet is connected to described holding member along described axis, and connects portion with described engagement projection in relative supported on both sides vertically by described.
Description
Technical field
The present invention relates to a kind of rotation detecting and motor.
Technical background
The motor that electric window device and power sunroof device etc. use comprises rotation sensor, and its rotation status detecting electric machine rotational axis is to prevent foreign matter between moving body and window frame.Rotation sensor comprises sensor magnet and detecting element, and described sensor magnet is remained can be rotated integrally with described rotating shaft by holding member, and described detecting element can be the Hall IC be arranged on fixed body.
2002-34207 Japanese Patent Publication describes a kind ofly carries out thermal bonding sensor magnet to be fixed to the method for rotating shaft to holding member, and described holding member is a part for the driving side rotary body of the joint rotated integrally with rotating shaft.2005-160161 Japanese Patent Publication describes a kind ofly carries out insert-molding to sensor magnet and sensor magnet is embedded the method in holding member.
But the structure of the fixation of sensor magnet as described in 2002-34207 and 2005-160161 Japanese Patent Publication needs special mechanism that sensor magnet is fixed to holding member.In addition, the connection work described in aforementioned documents and shaping work comparatively bother.
The object of the present invention is to provide a kind of rotation detecting and the motor that make holding member easily can keep sensor magnet.
Summary of the invention
A kind of rotation detecting of one aspect of the present invention system, comprises the holding member established on the rotary shaft; Sensor magnet, it is kept by described holding member to rotate integrally with described rotating shaft; And the detecting element be set to towards described sensor magnet.Described rotation detecting detects the rotation status of described rotating shaft according to the detection signal from described detecting element.Described rotating shaft comprises axially, radial and circumference.Described sensor magnet is ring-type and extends along described circumference.Described sensor magnet comprises along described the first axial end face and the second relative end face, along the inner peripheral surface being positioned at inner side of described radial direction, and is positioned at the outer circumference surface in outside along described radial direction.Described holding member comprise to be formed with described first end face contact connect portion, and axially extend with towards the inner peripheral surface of described sensor magnet or the flexible extension of outer circumference surface along described.Described flexible extension along described elastomeric radial, and comprises and extending and the engagement projection of the second end joined with described sensor magnet along described radial direction.Described sensor magnet is suitable for being connected to described holding member along described axis, and connects portion with described engagement projection in relative supported on both sides vertically by described.
Another aspect of the present invention is the motor comprising above-mentioned rotation detecting.
Connection with figures, with reference to the description of hereafter illustrating the principle of the invention by way of example, can know other aspects of the present invention and advantage.
Accompanying drawing explanation
Connection with figures, with reference to hereafter the present invention and object thereof and advantage can be understood best to the explanation of current preferred embodiment, wherein:
Fig. 1 is the cutaway view of the motor according to the embodiment of the present invention;
Fig. 2 illustrates the holding member of Fig. 1 and the stereogram of sensor magnet;
Fig. 3 A illustrates the holding member of Fig. 1 and the plane graph of sensor magnet;
Fig. 3 B is the cutaway view along the III-III line in Fig. 3 A;
Fig. 4 A is the stereogram of holding member in revision for execution example and sensor magnet;
Fig. 4 B is the cutaway view along the IV-IV line in Fig. 4 A;
Fig. 5 A is the plane graph of holding member in revision for execution example and sensor magnet; And
Fig. 5 B is the cutaway view along the V-V line in Fig. 5 A.
Embodiment
Description describes one embodiment of the present of invention.
As shown in Figure 1, in the present embodiment, motor 11 is so-called gear motor, and in such as electric window device.Motor 11 comprises motor body 12 and deceleration unit 13.Motor body 12 comprises yoke housing 14, two magnets 15, armature 16, brush carrier 17 and two brushes 18.
Yoke housing 14 is tubulose, and has closed end.Two magnets 15 are fixed to the inner surface of yoke housing 14.Armature 16 is rotatably contained in the inner side of magnet 15 in yoke housing 14.Rotating shaft 20 is through armature 16 and comprise and carry out by bearing 19 base end part that supports, and bearing 19 is located at the central part of the closed ends of yoke housing 14.Flange 14b radially stretches out from the openend 14a of yoke housing 14.Deceleration unit 13 comprises the gear box 31 with openend 31a.Flange 14b is fixed to the openend 31a of gear box 31 by screw 21.Brush carrier 17 is just arranged on yoke housing 14 with openend 14a and 31a of gear box 31 by this.
In following description, if without illustrating separately, axial, radial and circumference refers to the axial, radial of rotating shaft 20 and circumferencial direction respectively.
In yoke housing 14, brush carrier 17 keeps bearing 22 and two brushes 18, the terminal part of bearing 22 supporting rotating shaft 20, and two brushes 18 contact with the commutator 23 being fixed to rotating shaft 20.Terminal 24 inserts brush carrier 17.Each terminal 24 comprises the one end of rotation sensor 42 etc. being electrically connected to brush 18, hereafter will describing in detail.Brush carrier 17 comprise from yoke housing 14 and gear box 31 outwardly and the connector portion 17a be connected with external lug (not shown).Each terminal 24 comprises the other end in the link slot 17b being exposed to connector portion 17a.Aerial lug makes motor 11 be electrically connected with external ECU 61 with the connection of connector portion 17a.
Deceleration unit 13 comprises gear box 31, reducing gear 34, output shaft 35 and connector 41.Reducing gear 34 comprises worm screw 32 and worm gear 33.
Gear box 31 comprises openend 31a and connector accommodation section 31b, the openend 31a openend 14a towards yoke housing 14, and connector accommodation section 31b is hollow and extends from openend 31a vertically.The below of connector accommodation section 31b, the worm screw accommodation section 31c being roughly cylindrical tube extends, vertically to hold worm screw 32 from the bottom of connector accommodation section 31b.Be roughly circular worm gear accommodation section 31d continuous extension from the 31c of worm screw accommodation section, to hold worm gear 33.
Bearing 36 and 37 is located at two axial end portions of worm screw accommodation section 31c respectively.Bearing 36 and 37 supports and fits into the worm screw 32 of worm screw accommodation section 31c, to make worm screw 32 rotatable and coaxial with the rotating shaft 20 of motor body 12.Gear on worm 32a is located between the part that supported by the bearing 36 and 37 of worm screw 32.Thrust for receiving the thrust load on worm screw 32 receives ball 38 and thrust dash receiver 39 and to be located in the 31c of worm screw accommodation section, towards the end of worm screw 32.
Worm gear accommodation section 31d rotatably holds worm gear 33, and worm gear 33 is the form of plectane and engages with the gear on worm 32a of worm screw 32.Output shaft 35 is connected to worm gear 33 to rotate integrally with worm gear 33.
Connector accommodation section 31b holds connector 41, and connector 41 is located between worm screw 32 and rotating shaft 20 with connecting worm 32 and rotating shaft 20.Connector 41 comprises the driving side rotary body 41a rotated integrally with rotating shaft 20, and the driven-side rotor 41b rotated integrally with worm screw 32.
The motor 11 of the present embodiment comprises rotation sensor 42 (rotation detecting), and it detects the rotation status of rotating shaft 20.Rotation sensor 42 comprises sensor magnet 43 and detecting element 44 (such as, Hall IC).Sensor magnet 43 and rotating shaft 20 rotate integrally.Detecting element 44 is fixed to the lower surface (gear box side end face vertically) of brush carrier 17, with macro cell facing magnet 43 vertically.
With reference to figure 2 ~ 3B, sensor magnet 43 is located in holding member 51.Sensor magnet 43 is toroidal magnet, circumferentially polarizes with equal intervals in N pole wherein and S pole.Holding member 51 is one-body molded with the driving side rotary body 41a of connector 41, and becomes a part of driving side rotary body 41a.Sensor magnet 43 is arranged so that its central axis aligns with the axis L of rotating shaft 20.Sensor magnet 43 comprises axial the first end face 43a closer to driving side rotary body 41b along rotating shaft 20, and is positioned at the second end face 43b with the first end face 43a opposite side vertically.First end face 43a and the second end face 43b is respectively formed by perpendicular to described axially extended plane.Sensor magnet 43 comprises outer circumference surface 43c, and the center of this outer circumference surface 43c is the axis L of rotating shaft 20.
Axial, the radial and circumference of sensor magnet 43, holding member 51 etc. is consistent with the axial, radial of rotating shaft 20 and circumference respectively.
Holding member 51 comprises base end part 52 and magnet installation portion 53.Base end part 52 is roughly cylindrical, and extends vertically.Magnet installation portion 53 extends continuously from base end part 52 and holds sensor magnet 43.Magnet installation portion 53 comprises the portion of connecting 54, and it is annular and is formed by the axially extended plane perpendicular to rotating shaft 20.Connect portion 54 to be formed with the first end face 43a of sensor magnet 43 vertically and contact.
Magnet installation portion 53 comprises and inwardly to arrange and vertically from the axle portion 55 connecting portion 54 and extend towards brush carrier 17 (upside as shown in Figure 2) from connecting portion 54.Axle portion 55 fits into sensor magnet 43.Under this state, the outer circumference surface 55a in axle portion 55 is radially formed with the inner peripheral surface 43d of sensor magnet 43 and contacts.
Fixing hole 55b passes axially through the central part in axle portion 55.Rotating shaft 20 comprises and is pressed in and is fixed to the terminal part of fixing hole 55b.Fixing hole 55b extends between two parallel planes.To be pressed in and the terminal part being fixed to the rotating shaft 20 of fixing hole 55b also comprises two parallel planes.Crimping (crimpedportions) 55c (see Fig. 3 A and 3B) protrudes from the wall around fixing hole 55b.When being pressed into by the terminal part of rotating shaft 20 and making it to be fixed to fixing hole 55b, use crimping 55c.
Two semicircle rotary block 55d are radially outwardly from the outer circumference surface in axle portion 55, and circumferentially arrange with equal intervals (180 degree of intervals).Two rotary block 55d fit into two respectively radially from the outward extending engaging groove 43e of the inner peripheral surface of sensor magnet 43 and circumferentially engage with sensor magnet 43.
Magnet installation portion 53 comprises the circular cylindrical wall 56 extended from connecting the perimembranous in portion 54 vertically.Wall 56 circumferentially with the whole outer circumference surface 43c of axial covering sensor magnet 43.
Magnet installation portion 53 comprises two resilient extension 57 arranged with equal intervals (180 degree of intervals) along the circumference of sensor magnet 43.Each flexible extension 57 from connecting portion 54 vertically the inner peripheral surface 43d of macro cell facing magnet 43 extend.That each flexible extension 57 comprises arc and the outer surface 57a extended along the inner peripheral surface 43d of sensor magnet 43.The inner peripheral surface 43d of outer surface 57a radially contact pickup magnet 43.In addition, each flexible extension 57 comprises terminal part, and engagement projection 57b radially protrudes from this terminal part.Engagement projection 57b engages with the second end face 43b of sensor magnet 43 vertically.Engagement projection 57b comprises inclined plane 57c, and inclined plane 57c extends radially outward and extends from the end of flexible extension 57 relative to axial diagonal.In this way, magnet installation portion 53 utilizes engagement projection 57b and connects portion 54 and maintains sensor magnet 43 from two axial side.Flexible extension 57 circumferentially separates 90 degree with rotary block 55d.In other words, flexible extension 57 and rotary block 55d are circumferentially disposed alternately on magnet installation portion 53 with equal intervals.
Elasticity allows that portion 58 radially extends between each flexible extension 57 and axle portion 55, to allow the radially-inwardly strain of flexible extension 57.When considering the radially-inwardly elastic deformation amount of sensor installation magnet 43 necessary flexible extension 57, elasticity is allowed, and that portion 58 is of a size of is minimum.
In this way, holding member 51 maintains sensor magnet 43 and rotates integrally to make holding member 51 and driving side rotary body 41a.The detecting element 44 forming rotation sensor 42 together with sensor magnet 43 provides pulse signal to ECT61, and this pulse signal switches between high level and low level according to the magnetic pole of sensor magnet 43.ECU61, according to the described pulse signal from detecting element 44, carries out the direction of rotation calculating to obtain driving side rotary body 41a (rotating shaft 20), rotary speed, rotation amount and position of rotation successively.Use these result of calculations to monitor the operation information of driven object (such as, the windowpane of vehicle or slide).
The joint of sensor magnet 43 and holding member 51 is now described.
When sensor magnet 43 is engaged to the axle portion 55 of magnet installation portion 53 vertically, flexible extension 57 is formed with sensor magnet 43 and contacts.This makes the radially inside strain of flexible extension 57, and engagement projection 57b can not hinder sensor magnet 43 thus.Particularly, when sensor magnet 43 and each inclined plane 57c formed contact time, the radially-inwardly displacement of flexible extension 57 increases close to connecting portion 54 along with the first end face 43a of sensor magnet.By promoting sensor magnet 43 further, the first end face 43a of sensor magnet 43 is formed with the portion that connects 54 of magnet installation portion 53 and contacts.Thus the elasticity of flexible extension 57 makes flexible extension 57 return back to its primitive form, and engagement projection 57b engages with the second end face 43b of sensor magnet 43 vertically.Under this state, the inner peripheral surface 43d of sensor magnet 43 is kept by axle portion 55, and the outer circumference surface of sensor magnet 43 is kept by wall 56.In addition, the rotary block 55d in axle portion 55 fits into the engaging groove 43e of sensor magnet 43, circumferentially moves with limiting sensor magnet 43.In this way, by means of only making sensor magnet 43 be connected to magnet installation portion 53 to make the first end face 43a and to connect portion 54 and formed and contact, under the state of the axial, radial of limiting sensor magnet 43 and circumference movement, sensor magnet 43 can be maintained by magnet installation portion 53.
Tool of the present invention has the following advantages.
(1) axis that holding member 51 comprises along sensor magnet 43 forms with the first end face 43a the portion that connects 54 contacted, and flexible extension 57, described flexible extension 57 extends along the axis of rotating shaft 20 and can radially strain from connecting the inner peripheral surface 43d of portion 54 macro cell facing magnet 43.Each flexible extension 57 comprises engagement projection 57b, and engagement projection 57b radially extends and engages with the second end face 43b of sensor magnet 43.By connecting portion 54 with engagement projection 57b at relative supported on both sides sensor magnet 43 vertically.When vertically sensor magnet 43 being connected to holding member 51, each flexible extension 57 and sensor magnet 43 are formed and contact and radially strain thus make engagement projection 57b can not hinder sensor magnet 43.By promoting sensor magnet 43 further, the first end face 43a of sensor magnet 43 is formed with the portion that connects 54 of holding member 51 and contacts.Thus the elasticity of flexible extension 57 makes flexible extension 57 return back to its primitive form, and engagement projection 57b engages with the second end face 43b of sensor magnet 43 vertically.In other words, by means of only making sensor magnet 43 be connected to holding member 51 to make the axial end of sensor magnet 43 and to connect portion 54 and formed and contact, under the state moved axially of limiting sensor magnet 43, sensor magnet 43 can be remained in holding member 51.
(2) holding member 51 comprises axle portion 55, and it contacts with the inner peripheral surface 43d of sensor magnet 43 and makes holding member 51 keep coaxial with sensor magnet 43.Thus, the axle portion 55 of the inner peripheral surface 43d of contact pickup magnet 43 makes holding member 51 and sensor magnet 43 remain in coaxial state.
(3) flexible extension 57 is located at the inner side of sensor magnet 43.The elasticity of bearing the strain of corresponding flexible extension 57 allows that portion 58 is radially formed between flexible extension 57 and axle portion 55.This allows axle portion 55 and flexible extension 57 can be located at the inner side of sensor magnet 43.In addition, when considering the radially-inwardly elastic deformation amount of flexible extension 57, elasticity being allowed, that portion 58 is of a size of is minimum, and flexible extension 57 can be set to closer to axle portion 55.This contributes to the miniaturization around axle portion 55, thus contributes to the miniaturization of holding member 51.
(4) axle portion 55 comprises rotary block 55d, and it engages along direction of rotation (circumference) with sensor magnet 43.Rotary block 55d and flexible extension 57 are circumferentially in different positions.Which increase the degree of freedom of design rotary block 55d.
(5) multiple flexible extension 57 is circumferentially equidistantly spaced.This can keep sensor magnet 43 in a balanced fashion.
(6) holding member 51 comprises the wall 56 of the outer circumference surface 43c of covering sensor magnet 43.Because the outer circumference surface 43c of sensor magnet 43 is covered by wall 56, such as, when sensor magnet 43 is cracked, wall 56 prevents the fragment of sensor magnet 43 from moving radially from holding member 51 and preventing fragment from dropping out from holding member 51.
One skilled in the art will understand that the present invention can realize and not depart from the spirit or scope of the present invention by other concrete forms multiple.Particularly, the present invention should be understood can realize by following form.
The structure of the sensor magnet 43 and holding member 51 shape and so in above-described embodiment can be changed as required, such as, as shown in Fig. 4 A, 4B, 5A and 5B.In structure shown in Fig. 4 A and 4B, eliminate the rotary block 55d of the above-described embodiment in axle portion 55.Instead, hemisphere rotary block 71 protrudes from connecting portion 54 vertically.Rotary block 71 fits in the engaging groove 43f be formed in the first end face 43a of sensor magnet 43.This makes rotary block 71 circumferentially engage with engaging groove 43f.This structure can obtain the advantage being similar to above-described embodiment.
In structure shown in Fig. 5 A and 5B, eliminate the extension of above-described embodiment with the flexible extension 57 of the inner peripheral surface 43d of macro cell facing magnet 43.Instead, flexible extension 72 is formed as the outer circumference surface 43c of macro cell facing magnet 43.Flexible extension 72 is formed in the position be partly cut away in wall 56.Flexible extension 72 is radially formed with the outer circumference surface 43c of sensor magnet 43 and contacts.Engagement projection 72a radially extends internally from the terminal part of each flexible extension 72, and engages with the second end face 43b of sensor magnet 43 vertically.Engagement projection 72a comprises inclined plane 72b, and inclined plane 72b radially extends internally and extends from the end of flexible extension 72 relative to axial diagonal.This structure can obtain the advantage being similar to above-described embodiment.In structure shown in Fig. 5 A and 5B, flexible extension 72 is located at the outside of sensor magnet 43.Thus, the elasticity be located in axle portion 55 can be omitted in above-described embodiment and allow portion 58.
Flexible extension 57 can be formed as circumferentially engaging with sensor magnet 43.In this structure, flexible extension 57 also can in order to the rotation of limiting sensor magnet 43.Thus, even if when omitting the rotary block 55d of above-described embodiment, also can limiting sensor magnet 43 movement circumferentially.This simplify the structure of holding member 51.
The wall 56 of the above-described embodiment in holding member 51 can be omitted.
In above-described embodiment, holding member 51 is one-body molded with the driving side rotary body 41a of connector 41, but is not limited thereto mode.Such as, holding member 51 can be one-body molded with the driven-side rotor 41b of connector 41.
In above-described embodiment, the whole outer circumference surface 43c of wall 56 covering sensor magnet 43, but be not limited thereto.Such as, wall 56 only can cover a part of outer circumference surface 43c.
Above-described embodiment uses two rotary block 55d and two engaging groove 43e, but is not limited thereto.Only can arrange one or plural rotary block 55d and engaging groove 43e is set.
The holding member 51 of above-described embodiment comprises two flexible extension 57, but is not limited thereto.Only can there is one or more flexible extension 57.
In above-described embodiment, sensor magnet 43 and detecting element 44 vertically mutually faced by, but to be not limited thereto.Sensor magnet 43 and detecting element 44 can radially mutually faced by.
In above-described embodiment, holding member 51 is located at and comprises on the connector 41 of driving side rotary body 41a and driven-side rotor 41b, but is not limited thereto.Such as, in the driving side rotary body that holding member 51 can be located at anti-reverse rotary clutch or driven-side rotor, the rotation of rotating shaft 20 is passed to worm screw 32 by described anti-reverse rotary clutch, and hinders or make worm screw 32 transmit stopping to the rotation of rotating shaft 20.
In above-described embodiment, for the motor that electric window device is used.Described motor also can be sliding door motor, skylight motor, closer motor etc.
Example as herein described and embodiment should be thought illustrative and not restrictive, and the invention is not restricted to details given in this article, but can modify within the scope of claims and equivalent thereof.
Claims (7)
1. a rotation detecting, comprising:
If holding member on the rotary shaft;
Sensor magnet, it is kept by described holding member to rotate integrally with described rotating shaft; And
Be set to the detecting element towards described sensor magnet, wherein said rotation detecting detects the rotation status of described rotating shaft according to the detection signal from described detecting element, wherein,
Described rotating shaft comprises axially, radial and circumference,
Described sensor magnet is ring-type and extends along described circumference,
Described sensor magnet comprises along described the first axial end face and the second relative end face, is positioned at the inner peripheral surface of inner side along described radial direction, and is positioned at the outer circumference surface in outside along described radial direction,
Described holding member comprise to be formed with described first end face contact connect portion, and axially extend with towards the inner peripheral surface of described sensor magnet or the flexible extension of outer circumference surface along described,
Described flexible extension along described elastomeric radial, and comprises and extending and the engagement projection of the second end joined with described sensor magnet along described radial direction, and
Described sensor magnet is suitable for being connected to described holding member along described axis, and by described portion and the described engagement projection of connecting in relative supported on both sides vertically,
Wherein said holding member comprises axle portion, its inner peripheral surface contacting described sensor magnet to keep the coaxial relation between described holding member and described sensor magnet,
Described flexible extension extends along the axis of described rotating shaft with the inner peripheral surface towards described sensor magnet, and
Between described flexible extension and described axle portion, be provided with elasticity along described radial direction and allow portion, to allow the strain of described flexible extension.
2. rotation detecting according to claim 1, wherein said elasticity allows that portion is formed in described axle portion.
3. rotation detecting according to claim 1, wherein said engagement projection comprises relative to the inclined plane that extends, described axial diagonal ground.
4. rotation detecting according to claim 1, wherein:
Described axle portion comprises the rotary block engaged with described sensor magnet along described circumference, and
Described rotary block and described flexible extension are positioned at different positions along described circumference.
5. rotation detecting according to claim 1, wherein said flexible extension is one in the multiple flexible extension arranged with equal intervals along described circumference.
6. rotation detecting according to claim 1, wherein said holding member comprises the wall at least partially of the outer circumference surface covering described sensor magnet.
7. a motor, comprises the rotation detecting according to any one of claim 1 ~ 6.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011115040A JP5823165B2 (en) | 2011-05-23 | 2011-05-23 | Rotation detection device and motor |
| JP2011-115040 | 2011-05-23 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102801251A CN102801251A (en) | 2012-11-28 |
| CN102801251B true CN102801251B (en) | 2016-04-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210169155.9A Active CN102801251B (en) | 2011-05-23 | 2012-05-18 | Rotation detecting and motor |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP5823165B2 (en) |
| KR (1) | KR101839385B1 (en) |
| CN (1) | CN102801251B (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6082680B2 (en) | 2013-09-18 | 2017-02-15 | アスモ株式会社 | motor |
| JP6188076B2 (en) * | 2014-01-18 | 2017-08-30 | アルプス電気株式会社 | Magnet holding unit and magnetic rotation angle detection device |
| CN104022589B (en) * | 2014-05-22 | 2018-02-13 | 佛山市威灵洗涤电机制造有限公司 | Motor speed measuring feedback device and the motor with the motor speed measuring feedback device |
| JP6450606B2 (en) | 2015-02-20 | 2019-01-09 | マブチモーター株式会社 | Sensor magnet holder, magnet fixing structure and motor |
| CN109642806B (en) * | 2016-08-23 | 2022-02-08 | 株式会社电装 | Position detection device and method for manufacturing position detection device |
| GB2553112B (en) * | 2016-08-23 | 2018-10-03 | Protean Electric Ltd | A rotor for an electric motor or generator |
| JP6862876B2 (en) * | 2017-02-03 | 2021-04-21 | 株式会社デンソー | Motor unit |
| JP6882112B2 (en) * | 2017-08-04 | 2021-06-02 | マブチモーター株式会社 | Sensor magnets and motors |
| DE102020131667A1 (en) | 2020-11-30 | 2022-06-02 | Minebea Mitsumi Inc. | Arrangement with a component rotatable about an axis of rotation for an actuator and a sensor element fastened to the rotatable component |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007097338A (en) * | 2005-09-29 | 2007-04-12 | Mitsuba Corp | Motor and its manufacturing process |
| JP2009225520A (en) * | 2008-03-14 | 2009-10-01 | Mitsuba Corp | Electric motor and manufacturing method therefor |
| CN101630888A (en) * | 2008-07-04 | 2010-01-20 | 马渊马达株式会社 | Sensor magnet holder, motor having the holder incorporated therein, and method of manufacturing the motor |
| WO2010043478A2 (en) * | 2008-10-16 | 2010-04-22 | Robert Bosch Gmbh | Sensor device for measuring the rotational position of a rotating component |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5489224B2 (en) | 2010-06-17 | 2014-05-14 | 株式会社デンソー | Motor and electric power steering apparatus using the same |
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2011
- 2011-05-23 JP JP2011115040A patent/JP5823165B2/en active Active
-
2012
- 2012-05-16 KR KR1020120051850A patent/KR101839385B1/en active IP Right Grant
- 2012-05-18 CN CN201210169155.9A patent/CN102801251B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007097338A (en) * | 2005-09-29 | 2007-04-12 | Mitsuba Corp | Motor and its manufacturing process |
| JP2009225520A (en) * | 2008-03-14 | 2009-10-01 | Mitsuba Corp | Electric motor and manufacturing method therefor |
| CN101630888A (en) * | 2008-07-04 | 2010-01-20 | 马渊马达株式会社 | Sensor magnet holder, motor having the holder incorporated therein, and method of manufacturing the motor |
| WO2010043478A2 (en) * | 2008-10-16 | 2010-04-22 | Robert Bosch Gmbh | Sensor device for measuring the rotational position of a rotating component |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102801251A (en) | 2012-11-28 |
| KR101839385B1 (en) | 2018-03-16 |
| JP2012244851A (en) | 2012-12-10 |
| KR20120130704A (en) | 2012-12-03 |
| JP5823165B2 (en) | 2015-11-25 |
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