WO2003055043A1 - Appareil de codage a moteur de faibles dimensions integre - Google Patents
Appareil de codage a moteur de faibles dimensions integre Download PDFInfo
- Publication number
- WO2003055043A1 WO2003055043A1 PCT/JP2002/013169 JP0213169W WO03055043A1 WO 2003055043 A1 WO2003055043 A1 WO 2003055043A1 JP 0213169 W JP0213169 W JP 0213169W WO 03055043 A1 WO03055043 A1 WO 03055043A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- motor
- shaft
- brushes
- encoder device
- brush
- Prior art date
Links
Classifications
-
- 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
- G01D5/25—Selecting one or more conductors or channels from a plurality of conductors or channels, e.g. by closing contacts
- G01D5/252—Selecting one or more conductors or channels from a plurality of conductors or channels, e.g. by closing contacts a combination of conductors or channels
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R39/00—Rotary current collectors, distributors or interrupters
- H01R39/02—Details for dynamo electric machines
- H01R39/04—Commutators
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R39/00—Rotary current collectors, distributors or interrupters
- H01R39/02—Details for dynamo electric machines
- H01R39/18—Contacts for co-operation with commutator or slip-ring, e.g. contact brush
- H01R39/24—Laminated contacts; Wire contacts, e.g. metallic brush, carbon fibres
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R39/00—Rotary current collectors, distributors or interrupters
- H01R39/02—Details for dynamo electric machines
- H01R39/38—Brush holders
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K23/00—DC commutator motors or generators having mechanical commutator; Universal AC/DC commutator motors
- H02K23/66—Structural association with auxiliary electric devices influencing the characteristic of, or controlling, the machine, e.g. with impedances or switches
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/49009—Dynamoelectric machine
- Y10T29/49011—Commutator or slip ring assembly
Definitions
- the present invention relates to an encoder device that generates a pulse necessary for controlling a rotation speed and a position of a motor.
- FIG. 7 is a diagram illustrating a mechanical type motor rotation detecting device based on the prior art. It is a figure (see Japanese Utility Model Laid-Open No. 57-15681).
- the rotor shaft is provided with a rotation detecting rotary contact portion formed by sliding a pair of brushes.
- the rotation detecting rotary contact portion is provided with a large-angle conductive portion made of a conductive material such as copper and a small-angle conductive portion on the outer periphery, and a boundary between the large-angle conductive portion and the small-angle conductive portion is provided at the boundary.
- a slit is formed and both are insulated.
- the rotation detection brush is formed of a carbon brush.
- the sliding area of the carbon brush is increased due to abrasion of the sliding part that comes into sliding contact with the conductive part.
- the state shown in Fig. 9 (A) is the initial state of the carbon brush, and since it is not worn, it comes into point contact with the conductive part.
- the use time of the brush elapses, as shown in FIG. 9 (B), the carbon brush wears and comes into contact with the conductive portion by surface. In this state, it is impossible to bring the brush into point contact with the conductive part, and the angle of the two brushes cannot be set small.
- the rotation detection brush is a carbon brush.
- a large number of pulses in which the tee ratio does not change cannot be obtained.
- the inability to obtain a large number of pulses and the change in the duty ratio have problems such as the inability to use them in applications that require precise control.
- Conventional technology cannot respond to the demand not only to control the motor rotation speed but also to accurately control the rotation angle position based on the detected signal.
- the prior art is constituted by a mold structure using a method called insert molding in which a resin is poured in a state in which a conductive portion and the like are set in a mold.
- insert molding a method called insert molding in which a resin is poured in a state in which a conductive portion and the like are set in a mold.
- An object of the present invention is to provide a mechanical encoder device for a small motor that can be easily manufactured.
- Another object of the present invention is to provide an encoder device which can be easily assembled integrally with a small motor.
- the encoder device integrated with the small motor according to the present invention includes an end cap fitted to close the opening of the metal case, and a rotor magnetic pole and a commutator for motor integrated on a rotatably supported shaft. , And a small motor having two motor brushes abutting on the commutator.
- a rotating contact portion provided on the rotor shaft and a pair of rotation detecting brushes that are in sliding contact with the rotating contact portion are provided.
- the rotating contact portion is provided with a plurality of rotating contact pieces provided with slits on the outer peripheral surface thereof.
- the pair of rotation detecting brushes is made of a metal having a spring property in the form of a plate-like or linear cantilever panel that slides and contacts the side surfaces thereof.
- the pair of rotation detecting brushes set the brush-to-brush angle corresponding to the arc angle between the contact points abutting the rotating contact portions to an angle smaller than the arc angle corresponding to one rotating contact piece.
- a plurality of pulses are output during one rotation of the rotor shaft.
- the rotary contact piece is provided with a grooved or waved processing provided with a linear recess in the direction of the shaft of the motor or in an oblique direction to the surface of the surface where the rotation detecting brush slides and contacts. Slit processing with line-shaped through holes can be performed.
- the rotating contact portion can be attached to the rotor magnetic pole on the same side as or opposite to the motor commutator, or at any position on the shaft, such as outside the end cap.
- FIG. 1 is a diagram illustrating a small motor to which the present invention is applied, (A) is a longitudinal sectional view of the whole, (B) is a diagram illustrating an angular positional relationship between a motor brush and a rotation detection brush, (C) is a diagram showing only the rotor taken out.
- FIG. 2 is a perspective view of the end cap as viewed from the inside of the motor.
- FIGS. 3 (A), (B) and (C) are views for explaining the attachment of a rotation detecting brush.
- FIG. 4 is a diagram showing the configuration of the rotating contact portion, (A) is a cross-sectional view of the shaft cut in a horizontal direction, and (B) is a sectional view of the rotating contact portion shown in (A).
- FIG. 2 is a view as viewed in the direction of the arrow Z in FIG.
- FIGS. 5 (A) and 5 (B) are diagrams for explaining the operation of the rotating contact portion by taking as an example a case where six rotating contact pieces are arranged.
- FIG. 6 is a diagram showing a pulse generated by the rotary contact portion exemplified in FIG. 5.
- FIGS. 7 (A) and (B) are diagrams for explaining a motor rotation detecting device based on the prior art. .
- FIG. 8 is a diagram for explaining a motor rotation detecting device based on another prior art different from FIG.
- FIGS. 9 (A) and 9 (B) are diagrams for explaining that the sliding area of the conventional carbon brush, which is in sliding contact with the conductive portion, increases due to wear or the like.
- FIGS. 10A and 10B are diagrams showing another example of a small motor to which the present invention is applied, wherein FIG. 10A is a diagram illustrating the angular positional relationship of a rotation detecting brush, FIG. (C) is a diagram illustrating the angular positional relationship of the motor brush.
- FIGS. 11A and 11B are diagrams showing still another example of a small motor to which the present invention is applied, wherein FIG. 11A is an overall vertical sectional view, and FIG. 11B is an angular position of a motor brush and a rotation detecting brush. It is a figure which illustrates a relationship.
- FIGS. 12 (A) and 12 (B) are diagrams showing another example of a rotary contact piece.
- FIG. 13 is a plan view of a rotating contact piece of yet another example before bending.
- FIG. 14 is a cross-sectional view of the rotary contact piece in a state where the rotary contact piece illustrated in FIG. 13 is assembled into the rotary contact portion after bending.
- FIGS. 1A and 1B are diagrams illustrating a small motor to which the present invention is applied, wherein FIG. 1A is an overall vertical sectional view, and FIG. 1B is a diagram illustrating the angular positional relationship between a motor brush and a rotation detection brush. (C) is a diagram showing only the rotor taken out.
- FIG. 2 is a perspective view of the end cap as viewed from the inside of the motor.
- Small motors to which the present invention can be applied can be configured using ordinary techniques for general small motors, except for a configuration related to an encoder device including a rotating contact portion and a rotation detecting brush, which will be described in detail later. it can.
- the case 5 is formed in a hollow cylindrical shape with a bottom by using a metal material, and a magnet 9 as a stator magnetic pole is attached thereto.
- the rotor includes a rotor magnetic pole composed of a laminated core 2 and a winding 3 on a shaft 1 and a commutator 7 for a motor.
- the rotating contact portions 12 are integrally assembled.
- the end cap 6 After inserting the rotor 4 integrally assembled on the shaft 1 from the opening of the bottomed hollow cylindrical metal case 5, the end cap 6 is fitted so as to close the opening of the metal case 5.
- the end cap 6 is composed of a metal lid plate 28 and a synthetic resin brush holder 29, and a plurality of brush holders 29 correspondingly provided in a plurality of recesses provided in the lid plate 28.
- the fitting portion is fixed integrally by fitting the fitting portion.
- the brush holder 29 is provided with a pair of motor brushes 8, 8 that come into contact with the motor commutator 7.
- the ends of the motor brushes 8, 8 opposite to the commutator contact side in the length direction are connected to lead wires led out of the end cap 6 at connection portions 24, 25, respectively.
- rotation detecting brushes 14 and 14 forming part of the configuration of the encoder device characteristic of the present invention are attached to a brush holder 29, and external connection leads 26 and 27 are provided. Connected to line.
- the bearing 11 for the shaft 1 is housed in the center of the cover plate 28.
- Shaft The other end of 1 is supported by another bearing 10 provided at the center of the bottom of the metal case 5, and penetrates therethrough for mechanical coupling with an external load and protrudes to the outside.
- the extension of the shaft 1 is projected from the bottom of the metal case, and the rotor 4 is provided on the metal case bottom and the end cap 6, respectively.
- It is rotatably supported by the bearings 10 and 11.
- the motor brush 8 is arranged so as to abut on the motor commutator 7 and the rotation detecting brushes 14 and 14 are arranged so as to abut on the rotating contact portion 12.
- the entire end cap 6 may be made of a synthetic resin.
- the motor brushes 8 and 8, the rotation detecting brushes 14 and 14 and the bearing 11 are attached to the synthetic resin end cap 6.
- the configuration and operation of such a small motor itself are normal except for the encoder device, and further detailed description will be omitted.
- a rotating contact portion 12 and a pair of rotation detecting brushes 14 and 14 constituting an encoder device which is a feature of the present invention are attached to a body.
- the rotating contact portion 12 is provided on the shaft 1 adjacent to the motor commutator and on the side opposite to the rotor magnetic pole side of the motor commutator on the shaft. As will be described later with reference to FIGS. 10 and 11, the rotating contact portion 12 can be attached to another position on the shaft.
- FIG. 4 is a view showing the configuration of the rotary contact portion
- (A) is a cross-sectional view of the shaft cut in a transverse direction
- (B) is a view of the rotary contact portion shown in (A).
- FIG. 7 is a view as viewed in the direction of the arrow Z when viewed in the direction of the arrow Z in the middle.
- a plurality of (for example, six) rotating contact pieces 13 are provided on the outer peripheral surface of the rotating contact core 21 made of a nonconductive material such as a resin, and a slit is provided between each other. That is, after assembling and assembling with each other, a resin-made mesh 22 is fitted thereon, whereby the assembling and fixing can be performed.
- the rotary contact portion assembled in this manner is assembled by press-fitting and fixing the shaft 1 into a hole provided at the center of the rotary contact core 21. It is desirable that the plurality of rotary contact pieces 13 be the same in shape and configuration. Unless the arc lengths (circumferential lengths) are at least equal to each other, the duty ratio of a plurality of pulses generated during one rotation of the motor cannot be equalized.
- a pair of rotation detecting brushes 14 and 14 that come into contact with the rotary contact pieces 13 are attached to the end cap 6 as seen in FIG.
- the pair of rotation detecting brushes 14 and 14 are arranged at an angle around the shaft axis and at a sufficient interval so as not to contact each other in the shaft axis direction. Is done.
- the rotation detecting brushes 14 and 14 are metal brushes, and have a plate-like or linear cantilever panel shape as shown in FIG. It is also possible to adopt a configuration in which it is inserted.
- the material can be a metal having a panel property such as a panel phosphorous bronze, and a noble metal mainly composed of silver can be clad in a portion of the metal brush that contacts the rotating contact piece.
- FIG. 5 (A) shows a state in which each of a pair of rotation detecting brushes is in contact with another adjacent rotating contact piece. In this case, the circuit from one of the pair of rotation detecting brushes to the other is OFF.
- a wide arbitrary duty ratio including a duty ratio of 50% can be obtained by adjusting the angle ⁇ between the brushes, the circular arc angle i3 of the rotating contact, and the circular arc angle corresponding to one slit.
- the brush-to-brush angle ⁇ is an arc angle formed by two contact points of the two brushes with the rotating contact piece, as seen in FIG. This angle is equal to the brush mounting angle around the shaft axis in the brush arrangement as exemplified in FIG.
- the brush arrangement is not limited to such a case.
- FIG. 3 is a diagram for explaining brush attachment.
- ( ⁇ ) shows the method of extending and installing the brush from substantially the same direction as in the case shown in Fig. 2. This makes it possible to arrange the angle ⁇ between the brushes small.
- ( ⁇ ) or (C) indicates that the brush-to-brush angle can be set small even if the brushes extend from the opposite direction.
- the mounting positions of the two rotation detecting brushes are shifted in the direction of the shaft of the rotor so that the brushes themselves do not contact each other while setting the angle ⁇ between the brushes to be small.
- the rotation detection brush is formed in the shape of a plate-like or linear cantilever panel, so that another pair of rotation detection brushes can be detected. It is possible to easily secure a sufficient space for mounting the device.
- two pairs of rotation detecting brushes can be arranged on the same rotary contact portion, offset from each other by 1 65 ° or 195 °. In this way, a two-phase encoder can be easily configured without increasing the overall shape of the motor.
- FIG. 10 is a diagram showing another example of a small motor to which the present invention is applied, in which the mounting position of an encoder device including a rotary contact portion and a rotation detecting brush is different from that of FIG.
- ( ⁇ ) is a diagram exemplifying the angular position relationship of the rotation detecting brush
- ( ⁇ ) is an overall longitudinal sectional view
- (C) is a diagram exemplifying the angular position relationship of the motor brush.
- the example metal case 5 is formed in a hollow cylindrical shape, but is different from FIG. 1 in that both sides are open and end caps 6 and 6 ′ are attached to both open sides, respectively. I have.
- a magnet as a stator pole is attached to metal case 5.
- a rotor magnetic pole composed of a laminated core and windings on the shaft,
- FIG. 10 is mounted in the same manner as in FIG. 10, but in FIG. 10, a motor commutator 7 is mounted on one side of a rotor magnetic pole, and a rotating contact portion 12 is mounted on the other side.
- FIG. 11 is a diagram showing still another example of a small motor to which the present invention is applied, in which an encoder device including a rotation contact portion and a rotation detection brush is mounted on a shaft outside the end cap.
- (A) is a longitudinal sectional view of the whole
- (B) is a diagram illustrating the angular positional relationship between the motor brush and the rotation detecting brush.
- a synthetic resin encoder case 15 is attached to the side of the metal case 5 where the end cap 6 is fitted.
- the case 15 can be attached to the metal case 5 or the end cap 6 by using an appropriate attachment means such as fitting, bonding, welding, or the like.
- Rotation detection brushes 14 and 14 connected to an external lead wire are attached to the encoder case 15. With such a configuration, the encoder device can be attached at the final stage of assembly after the small motor unit is assembled as usual, thereby facilitating manufacture.
- the encoder device is attached to the outside of the end cap 6 as described above.
- the same function can be achieved by attaching the encoder device to the bottom of the case 5.
- the rotating contact is Provide on the shaft protruding to the outside of the bottom side of 5, attach the rotation detection brush to the encoder case at the corresponding position, and attach this encoder case to the metal case.
- FIGS. 12 (A) and 12 (B) are diagrams showing another example of the rotary contact piece.
- a line-shaped recess is provided in the surface of the surface where the metal brush slides and contacts, in the direction of the shaft of the motor or in the direction oblique to the shaft, to perform groove processing or wave processing. It was done.
- the line-shaped dent can be any shape,
- (A) illustrates the groove machining of a rectangular cross section
- (B) illustrates the wave machining of a triangular cross section.
- This cross-sectional shape is preferably a smooth triangle having no vertices.
- the rotation detection brush may wear the rotary contact piece slightly while cutting it while the motor is running. In this case, shaving-like shavings finer than the rotating contact pieces located on both sides of the sliding rotation detecting brush may be generated.
- the shavings are linear and stay at the position where the adjacent rotating contact pieces are short-circuited, the electrically insulated rotating contact pieces may be short-circuited and a normal output waveform may not be obtained. Occurs.
- the length of the linear shavings can be reduced by providing a recess as illustrated in FIGS. 12 (A) and 12 (B). If the shavings are shorter than the interval between the rotating contact pieces, even if they occur, the adjacent rotating contact pieces will not be short-circuited.
- FIGS. 13 and 14 are diagrams showing still another example of the rotary contact piece.
- FIG. 13 is a plan view showing a state in which contact pieces have been punched out before bending.
- FIG. 14 shows a state in which the contact pieces have been bent from the state shown in FIG. It is sectional drawing of a certain rotation contact piece.
- the cross-sectional direction is the sliding direction of the rotation detection brush.
- a through-hole slit
- FIG. 14 the relationship between the circumferential length A of the rotating contact piece separated by the through hole (slit) and the spacing length B of the rotating contact piece is clear from the description of FIG. 12. As you can see, A ⁇ B. However, as shown in the partial detailed view of FIG. 14, in the actual punching process, the through hole is not cut at an acute angle as shown in the ideal state diagram, and the cut portion is rounded and deformed.
- the length of the rotating contact piece in the circumferential direction A excluding the deformed part, that is, the length of the rotation detecting brush sliding part is represented by "a". This length a can vary with the wear of the rotating contact piece, but in normal use the wear of the rotating contact piece is less than the depth of the deformed part.
- the “circumferential length of the rotating contact piece” is strictly speaking, not the circumferential length A in the ideal state.
- the present invention uses a plate-shaped or linear cantilever panel-shaped metal brush, so that even if worn, the sliding area is extremely small as compared with the carbon brush, so that the contact with the rotating contact piece is still a point contact.
- the angle between the rotation detection brushes can be reduced, and a pulse with a small change in the duty ratio can be obtained.
- the present invention it is possible to easily obtain a plurality of pulses having a uniform duty ratio of a large number of pulses per rotation with a small time-dependent change in the duty ratio per motor rotation.
- the desired number of pulses per rotation and duty ratio can be set freely. It becomes possible. This allows it to be used for applications that require precise control.
- the rotary contact portion can be constructed by an assembling method, the cost can be reduced as compared with the mold structure as in the prior art.
- the present invention provides grooves or waves on the surface of the rotating contact piece, or provides a linear through-hole, so that even if shavings of the rotating contact piece are generated during motor operation, the adjacent rotating contact piece Can be obtained, and a normal output can be obtained.
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/472,363 US6803685B2 (en) | 2001-12-20 | 2002-12-17 | Encoder apparatus integrated with a small-size motor |
EP02786112A EP1458079A4 (en) | 2001-12-20 | 2002-12-17 | LOW INTEGRATED DIMENSIONAL ENGINE ENCODING APPARATUS |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2001-387499 | 2001-12-20 | ||
JP2001387499 | 2001-12-20 | ||
JP2002-357548 | 2002-12-10 | ||
JP2002357548A JP4426172B2 (ja) | 2001-12-20 | 2002-12-10 | 小型モータに一体化したエンコーダ装置 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2003055043A1 true WO2003055043A1 (fr) | 2003-07-03 |
Family
ID=26625171
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2002/013169 WO2003055043A1 (fr) | 2001-12-20 | 2002-12-17 | Appareil de codage a moteur de faibles dimensions integre |
Country Status (5)
Country | Link |
---|---|
US (1) | US6803685B2 (ja) |
EP (1) | EP1458079A4 (ja) |
JP (1) | JP4426172B2 (ja) |
CN (1) | CN1302604C (ja) |
WO (1) | WO2003055043A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6844692B1 (en) | 2003-08-22 | 2005-01-18 | Hella Electronics Corp. | Climate control system and motor actuator therefor |
WO2005020391A1 (de) | 2003-08-13 | 2005-03-03 | Walter Kraus Gmbh | Bürstenblock zur übertragung von strömen |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1152463C (zh) * | 2000-06-09 | 2004-06-02 | 株式会社理光 | 直流马达 |
JP4426172B2 (ja) * | 2001-12-20 | 2010-03-03 | マブチモーター株式会社 | 小型モータに一体化したエンコーダ装置 |
US8199453B2 (en) | 2003-03-17 | 2012-06-12 | Illinois Tool Works Inc. | Shaft current control brush ring assembly |
DE10320613A1 (de) * | 2003-05-08 | 2004-12-02 | Siemens Ag | Elektrische Maschine mit einem Gebersystem |
US20050127776A1 (en) * | 2003-12-16 | 2005-06-16 | Dura Global Technologies, Inc. | Motor with rotational sensor |
FR2869733B1 (fr) * | 2004-04-28 | 2006-07-14 | Arvinmeritor Light Vehicle Sys | Collecteur pour moteur electrique |
FR2877161B1 (fr) * | 2004-10-25 | 2008-10-10 | Carbone Lorraine Applications Electriques | Moteur a collecteur muni d'un dispositif de controle de la position angulaire et de la vitesse de rotation de son induit |
DE102004058920B4 (de) * | 2004-12-07 | 2007-01-11 | Memminger-Iro Gmbh | Rundstrickmaschine und Elektromotor |
JP4778039B2 (ja) * | 2005-04-20 | 2011-09-21 | イリノイ トゥール ワークス インコーポレイティド | 軸電流コントロールブラシリング組立体 |
US7969059B2 (en) * | 2008-02-20 | 2011-06-28 | Bodine Electric Company | Brush assembly having a brush wear detector and indicator for a D.C. motor |
DE102008001361A1 (de) | 2008-04-24 | 2009-11-05 | Schleifring Und Apparatebau Gmbh | Mehrfachbürste für Schleifringe |
JP5304464B2 (ja) * | 2008-09-11 | 2013-10-02 | 株式会社安川電機 | エンコーダ付モータ |
JP2012057499A (ja) * | 2010-09-06 | 2012-03-22 | Toyota Industries Corp | 電動圧縮機 |
JP5472045B2 (ja) * | 2010-11-08 | 2014-04-16 | 株式会社安川電機 | エンコーダ付モータ及びモータ用エンコーダ |
TWI497899B (zh) | 2013-08-05 | 2015-08-21 | Ind Tech Res Inst | 機構式編碼器 |
CN105152528A (zh) * | 2015-09-15 | 2015-12-16 | 泰山玻璃纤维邹城有限公司 | 一种拉丝机换筒电气滑环 |
JP6792445B2 (ja) | 2016-12-27 | 2020-11-25 | ジェコー株式会社 | スリップリング、該スリップリングを備える回転センサ装置、及びスリップリングの製造方法 |
CN109332773B (zh) * | 2018-10-13 | 2024-03-22 | 奥士康科技股份有限公司 | 一种pth走槽正反锣的方法及装置 |
TWI676196B (zh) * | 2018-11-19 | 2019-11-01 | 國家中山科學研究院 | 數字編碼裝置 |
CN109586536A (zh) * | 2018-12-29 | 2019-04-05 | 陕西特恩电子科技有限公司 | 一种具备正反转功能的交流伺服电机及运作方法 |
WO2022050817A1 (ko) * | 2020-09-07 | 2022-03-10 | 이오플로우(주) | 약액 주입 장치 |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03106864U (ja) * | 1990-02-21 | 1991-11-05 | ||
US5446328A (en) * | 1993-09-08 | 1995-08-29 | Mabuchi Motor Co., Ltd. | Miniature motor with preassembled commutator |
JPH08146031A (ja) * | 1994-09-21 | 1996-06-07 | Matsushita Electric Ind Co Ltd | 回転センサ |
JPH0923617A (ja) * | 1995-06-30 | 1997-01-21 | Mitsuba Electric Mfg Co Ltd | モータにおける回転検知装置 |
JPH09191621A (ja) * | 1995-12-28 | 1997-07-22 | Namiki Precision Jewel Co Ltd | モータジェネレータ |
JP2000023424A (ja) * | 1998-07-01 | 2000-01-21 | Nanshin Seiki Seisakusho:Kk | 整流子ユニット |
JP2000321008A (ja) * | 1999-05-13 | 2000-11-24 | Denso Corp | ギヤ位置検出装置 |
JP2001238424A (ja) * | 1999-12-17 | 2001-08-31 | Ricoh Co Ltd | 直流モータおよびその組み立て方法 |
US20010022505A1 (en) * | 1999-12-27 | 2001-09-20 | Ricoh Company, Ltd. | DC motor rotation detecting apparatus and DC motor rotation control apparatus |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5715681A (en) | 1980-06-24 | 1982-01-27 | Makita Electric Works Ltd | Nail driver |
JPS62189945A (ja) * | 1986-02-12 | 1987-08-19 | Konishiroku Photo Ind Co Ltd | モ−タ |
JP2730736B2 (ja) * | 1988-09-20 | 1998-03-25 | 株式会社ユニシアジェックス | アクチュエータ |
JPH062455Y2 (ja) * | 1989-04-25 | 1994-01-19 | 株式会社三ツ葉電機製作所 | 六極四刷子式直流電動機の刷子配置構造 |
US5079305A (en) | 1989-09-05 | 1992-01-07 | Monsanto Company | Rubber compositions comprising sulfenimide accelerators |
EP0524687A1 (en) | 1991-07-23 | 1993-01-27 | Merck & Co. Inc. | A process for the glycosylation of avermectin compounds at the 14a-position |
DE9207590U1 (de) * | 1992-06-04 | 1992-08-20 | Interelectric Ag, Sachseln | Hebelbürste für den Einsatz in Gleichstrommaschinen |
JPH07284258A (ja) | 1994-04-06 | 1995-10-27 | Matsushita Electric Ind Co Ltd | 減速機付直流モータ |
US6570350B2 (en) * | 2000-06-20 | 2003-05-27 | Ricoh Company, Ltd. | DC motor rotation detecting apparatus and DC motor rotation control apparatus |
JP4426172B2 (ja) * | 2001-12-20 | 2010-03-03 | マブチモーター株式会社 | 小型モータに一体化したエンコーダ装置 |
-
2002
- 2002-12-10 JP JP2002357548A patent/JP4426172B2/ja not_active Expired - Fee Related
- 2002-12-17 EP EP02786112A patent/EP1458079A4/en not_active Withdrawn
- 2002-12-17 WO PCT/JP2002/013169 patent/WO2003055043A1/ja active Application Filing
- 2002-12-17 US US10/472,363 patent/US6803685B2/en not_active Expired - Lifetime
- 2002-12-17 CN CNB02808571XA patent/CN1302604C/zh not_active Expired - Fee Related
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03106864U (ja) * | 1990-02-21 | 1991-11-05 | ||
US5446328A (en) * | 1993-09-08 | 1995-08-29 | Mabuchi Motor Co., Ltd. | Miniature motor with preassembled commutator |
JPH08146031A (ja) * | 1994-09-21 | 1996-06-07 | Matsushita Electric Ind Co Ltd | 回転センサ |
JPH0923617A (ja) * | 1995-06-30 | 1997-01-21 | Mitsuba Electric Mfg Co Ltd | モータにおける回転検知装置 |
JPH09191621A (ja) * | 1995-12-28 | 1997-07-22 | Namiki Precision Jewel Co Ltd | モータジェネレータ |
JP2000023424A (ja) * | 1998-07-01 | 2000-01-21 | Nanshin Seiki Seisakusho:Kk | 整流子ユニット |
JP2000321008A (ja) * | 1999-05-13 | 2000-11-24 | Denso Corp | ギヤ位置検出装置 |
JP2001238424A (ja) * | 1999-12-17 | 2001-08-31 | Ricoh Co Ltd | 直流モータおよびその組み立て方法 |
US20010022505A1 (en) * | 1999-12-27 | 2001-09-20 | Ricoh Company, Ltd. | DC motor rotation detecting apparatus and DC motor rotation control apparatus |
Non-Patent Citations (1)
Title |
---|
See also references of EP1458079A4 * |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2005020391A1 (de) | 2003-08-13 | 2005-03-03 | Walter Kraus Gmbh | Bürstenblock zur übertragung von strömen |
JP2007502098A (ja) * | 2003-08-13 | 2007-02-01 | ヴァルター クラウス ゲゼルシャフト ミット ベシュレンクテル ハフツング | 電流を伝送するためのブラシブロック |
US7287985B2 (en) | 2003-08-13 | 2007-10-30 | Walter Kraus Gmbh | Brush block for transmitting currents |
US6844692B1 (en) | 2003-08-22 | 2005-01-18 | Hella Electronics Corp. | Climate control system and motor actuator therefor |
US6885164B2 (en) | 2003-08-22 | 2005-04-26 | Hella Electronics Corporation | Climate control system and motor actuator therefor |
Also Published As
Publication number | Publication date |
---|---|
EP1458079A4 (en) | 2009-06-17 |
JP2003247857A (ja) | 2003-09-05 |
US6803685B2 (en) | 2004-10-12 |
EP1458079A1 (en) | 2004-09-15 |
CN1302604C (zh) | 2007-02-28 |
US20040113499A1 (en) | 2004-06-17 |
CN1504012A (zh) | 2004-06-09 |
JP4426172B2 (ja) | 2010-03-03 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2003055043A1 (fr) | Appareil de codage a moteur de faibles dimensions integre | |
JPWO2005101616A1 (ja) | ブラシレスモータ | |
EP1280261A1 (en) | Flat type vibrating motor | |
EP2104205A1 (en) | Small-size motor | |
JP5619413B2 (ja) | 電動モータ | |
JP2009011060A (ja) | 整流子、直流モータ及び整流子の製造方法 | |
JP2872623B2 (ja) | 出力軸のない振動モータ | |
JP2007252030A (ja) | インシュレータ及び電動機 | |
JP3790214B2 (ja) | コアレスモータ | |
JPH0779546A (ja) | 小型モータの組立式整流子 | |
JP6071317B2 (ja) | モータ | |
JP5399722B2 (ja) | 制御回路部材及びモータ | |
JP5122914B2 (ja) | 有ブラシdcモータ及びその製造方法 | |
JP2008206346A (ja) | 直流モータ及びコンミテータの製造方法 | |
JP2009095093A (ja) | 導電ターミナル装置、及び回転電機 | |
JPS63277455A (ja) | ハイブリツドモ−タ | |
JP6045252B2 (ja) | ワイパモータ | |
JP2014011809A (ja) | ブラシホルダ装置及びモータ | |
JP2014023186A (ja) | ブラシホルダ装置及びモータ | |
JPH0458751A (ja) | 無刷子電動機 | |
KR101724098B1 (ko) | 일체형 비접촉식 모터 및 브러시와 정류자를 이용한 인버터 유닛 | |
JPS61258660A (ja) | フラツトモ−タ | |
JP2000224805A (ja) | 扁平型振動モータ | |
JP2001128403A (ja) | 小型モータおよびその回転子の製造方法 | |
JPS6141427Y2 (ja) |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
AK | Designated states |
Kind code of ref document: A1 Designated state(s): CN US |
|
AL | Designated countries for regional patents |
Kind code of ref document: A1 Designated state(s): DE FR GB IT |
|
121 | Ep: the epo has been informed by wipo that ep was designated in this application | ||
WWE | Wipo information: entry into national phase |
Ref document number: 10472363 Country of ref document: US |
|
WWE | Wipo information: entry into national phase |
Ref document number: 02808571X Country of ref document: CN |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2002786112 Country of ref document: EP |
|
WWP | Wipo information: published in national office |
Ref document number: 2002786112 Country of ref document: EP |