CN1473385A - Brushless vibrating motor - Google Patents
Brushless vibrating motor Download PDFInfo
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- CN1473385A CN1473385A CNA028029356A CN02802935A CN1473385A CN 1473385 A CN1473385 A CN 1473385A CN A028029356 A CNA028029356 A CN A028029356A CN 02802935 A CN02802935 A CN 02802935A CN 1473385 A CN1473385 A CN 1473385A
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- brushless vibrating
- motor
- vibrating dynamo
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/06—Means for converting reciprocating motion into rotary motion or vice versa
- H02K7/065—Electromechanical oscillators; Vibrating magnetic drives
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
- H02K21/12—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets
- H02K21/24—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets axially facing the armatures, e.g. hub-type cycle dynamos
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K29/00—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices
- H02K29/06—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices with position sensing devices
- H02K29/08—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices with position sensing devices using magnetic effect devices, e.g. Hall-plates, magneto-resistors
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/06—Means for converting reciprocating motion into rotary motion or vice versa
- H02K7/061—Means for converting reciprocating motion into rotary motion or vice versa using rotary unbalanced masses
- H02K7/063—Means for converting reciprocating motion into rotary motion or vice versa using rotary unbalanced masses integrally combined with motor parts, e.g. motors with eccentric rotors
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2211/00—Specific aspects not provided for in the other groups of this subclass relating to measuring or protective devices or electric components
- H02K2211/03—Machines characterised by circuit boards, e.g. pcb
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/04—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors
- H02K3/28—Layout of windings or of connections between windings
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/22—Auxiliary parts of casings not covered by groups H02K5/06-H02K5/20, e.g. shaped to form connection boxes or terminal boxes
- H02K5/225—Terminal boxes or connection arrangements
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
- Brushless Motors (AREA)
Abstract
A brushless vibrating motor comprises a base member having a placement surface and a parts mount surface, a circuit board disposed on the parts mount side of the base member, a flux plate, two coils, a Hall element, a shaft disposed between the two coils, a rotor fixed to the shaft and turning integrally with the shaft, a magnet disposed in the rotor to be opposed to the two roils, and a weight disposed in offset relationship with the rotor.
Description
Technical field
The present invention relates to be applicable to the various brushless vibrating dynamos that carry communicating machine and game machine thereof etc.
Background technology
Given the noiseless vibration generation function of reporting usefulness various the carrying in communicating machine etc. that comprises portable phone.As this vibration generation source, adopted vibrating motor.
Traditional this vibrating motor is based on the low-cost and low brush motor of consumption electric power, but in recent years, in order to improve reliability, has brought into use brushless vibrating dynamo.
At present, the various communicating machines that carry just further tend to miniaturization, cost degradation.We can say,, also can strengthen from now on thereupon the miniaturization of vibrating motor, the requirement of cost degradation along with this trend.
For this reason, the object of the invention is, a kind of brushless vibrating dynamo of realizing miniaturization and cost degradation is provided.
Summary of the invention
Brushless vibrating dynamo of the present invention comprises: the base component with mounting surface and parts mount surface; Be arranged on loop substrate, the flux plate (flux plate) of the parts mount surface side of base component, 2 coils and Hall element; Be disposed at 2 axles between coil; Be fixed in the axle and with the rotating rotor of axle one; With 2 coils to be arranged on epitrochanterian magnet planarly; And the balance weight that is offset to rotor.
In this brushless vibrating dynamo, the number of coil is 2.Like this, because of the number of coil is 2, compares and to reduce cost so motor more than 3 is set with the coil number.Again, the part that has reduced the coil number can be used as the space and effectively utilizes, and by carry other parts in this space, can realize the miniaturization of motor.In addition, this motor is because of having flux plate, so make the startup of motor level and smooth.
Brushless vibrating dynamo of the present invention preferably has the motor-driven element of the parts mount surface side that is arranged at base component.Like this, because of the parts mount surface side at base component has the motor-driven element, so compare the convenience in the time of to improve motor and use with driving the occasion that the loop is arranged at the motor outside.
In brushless vibrating dynamo of the present invention, motor-driven preferably is arranged on the below of rotor turning circle with element.Like this, the space of the parts mount surface side of base component can be effectively utilized, the miniaturization of motor can be realized.
Brushless vibrating dynamo of the present invention preferably has the lid that base component is covered above, and the inside of this lid contains loop substrate, flux plate, 2 coils, Hall element, axle, rotor, magnet and balance weights.Like this, each parts that will be arranged on the base component with lid cover intrusions such as back supression dust, so can restrain the generation of electrical fault.
The type of drive of brushless vibrating dynamo of the present invention is single-phase bipolar mode or two-phase one pole mode preferably.Like this, the drive controlling simplification of motor be can make, driving loop that motor-driven uses and the distribution simplification on the loop substrate thereof made.Again, required Hall element is 1, can further reduce cost.
Brushless vibrating dynamo of the present invention preferably has the terminal that is made of the bearing of trend rubber-like leaf spring along axle, and this terminal is configured in the mounting surface side of base component, is electrically connected with loop substrate simultaneously.Like this, in the time of in group of motors being loaded on machines such as portable phone, can be under motor being pushed and carry out assembling operation from the bearing of trend of axle without the situation of soldering.Thus, terminal and other parts can be carried out electrical engagement simply, improve assembling operation to machine.And, because of terminal is arranged on the mounting surface of base component, so help the further miniaturization of machine.
In brushless vibrating dynamo of the present invention, terminal preferably is fixed in an end single face bearing state of loop substrate.Say sample, under the assembled state of motor, can effectively utilize the elasticity of leaf spring, but the suitable electrical engagement power of long term maintenance terminal.
Brushless vibrating dynamo of the present invention preferably has pair of terminal, and pair of terminal disposes point-blank, and the assembling contact portions is separated from each other.Like this, utilize the range of base component mounting surface, can be point-blank with the configuration of pair of terminal permutation ground.Thus, the assembling contact portions of pair of terminal is separated, can prevent to assemble the short circuit that causes between contact portions as far as possible.
Brushless vibrating dynamo of the present invention preferably has pair of terminal, and pair of terminal is configured in respectively near base component mounting surface one-sided.For example, each terminal arrangement in base component when central authorities, might be occurred getting and be assembled in the polarity of each terminal wrong in the machine accident.For this reason, by with each terminal arrangement near base component one-sided, just can prevent this assembly defect preferably.
Brushless vibrating dynamo of the present invention preferably comprises: extend and the spring sheet part integrally formed with base component along the datum level that comprises the base component mounting surface; And the metal terminal that is installed on the spring sheet part, the leading section of metal terminal stretches out from datum level when non-assembled state, and the elastic force that overcomes the spring sheet part when assembled state is towards the displacement of datum level direction.Like this, when motor is assembled on substrate, because of the mounting surface with base component is configured on the substrate, so when non-assembled state, the leading section of the metal terminal that stretches out from the datum level that comprises mounting surface overcomes the elastic force of spring sheet part towards the displacement of datum level direction.Under this state, utilize the elastic force of spring sheet part, push to substrate with the leading section of required pushing force metal terminal, the leading section of metal terminal contacts with the power suppling part of substrate with required contact pressure, to guarantee conducting.Like this, owing to, therefore can restrain the maximization of motor fully, can restrain cost again and rise by constituting terminal with integrally formed spring sheet part and the metal terminal of base component.Adopt this terminal construction,, guarantee conducting, so can realize the stabilisation that power supply is supplied with stable pushing force because of utilizing the elastic force of spring sheet part.
In brushless vibrating dynamo of the present invention, the spring sheet part both can have the structure of single face supporting, also can have the structure of two-sided supporting.
In brushless vibrating dynamo of the present invention, base component is formed by fiber-reinforced plastic.Like this, can give the spring sheet part with required elastic force effectively.
Also can carry above-mentioned brushless vibrating dynamo, form vibration and report machine, portable phone, carry information end machine, game machine.
The terminal construction of motor of the present invention is a kind of motor terminal structure of using to the motor supply capability with base component, comprising: extend and the spring sheet part integrally formed with base component along the datum level that comprises the base component mounting surface; And the metal terminal that is installed on the spring sheet part, the leading section of metal terminal stretches out from datum level when non-assembled state, and the elastic force that overcomes the spring sheet part when assembled state is towards the displacement of datum level direction.
The present invention can further fully understand from following detailed description and accompanying drawing thereof.Certainly, these only are to be used for illustration, are not that the present invention is made qualification.
The simple declaration of accompanying drawing
Fig. 1 is the sectional view of the brushless vibrating dynamo formation of expression the 1st embodiment.
The vertical view that Fig. 2 constitutes for the brushless vibrating dynamo of expression the 1st embodiment (take off lid after state).
The vertical view that Fig. 3 constitutes for the brushless vibrating dynamo of expression the 1st embodiment (take off lid and rotor after state).
The figure that driving loop when Fig. 4 A is driven by the single-phase bipolar mode for expression constitutes.Fig. 4 B is for illustrating the figure of the moment of torsion that is obtained by the single-phase bipolar mode.
The figure that driving loop when Fig. 5 A is driven by the two-phase bipolar fashion for expression constitutes.Fig. 5 B is for illustrating the figure of the moment of torsion that is obtained by the two-phase bipolar fashion.
Fig. 6 is the vertical view of the brushless vibrating dynamo variation of expression the 1st embodiment.
Fig. 7 is the sectional view of the brushless vibrating dynamo formation of expression the 2nd embodiment.
The vertical view that Fig. 8 constitutes for the brushless vibrating dynamo of expression the 2nd embodiment (take off lid after state).
The vertical view that Fig. 9 constitutes for the brushless vibrating dynamo of expression the 2nd embodiment (take off lid and rotor after state).
Figure 10 is the sectional view of the brushless vibrating dynamo formation of expression the 3rd embodiment.
The vertical view that Figure 11 constitutes for the brushless vibrating dynamo of expression the 3rd embodiment (take off lid after state).
The vertical view that Figure 12 constitutes for the brushless vibrating dynamo of expression the 3rd embodiment (take off lid and rotor after state).
Figure 13 is the sectional view (near the section the terminal 42,44) of the brushless vibrating dynamo formation of expression the 3rd embodiment.
Figure 14 is for seeing the figure of brushless vibrating dynamo shown in Figure 13 from the mounting surface side.
Figure 15 is the figure of the brushless vibrating dynamo variation of expression the 3rd embodiment.
Figure 16 is the sectional view of the brushless vibrating dynamo formation of expression the 4th embodiment.
The vertical view that Figure 17 constitutes for the brushless vibrating dynamo of expression the 4th embodiment (take off lid after state).
The vertical view that Figure 18 constitutes for the brushless vibrating dynamo of expression the 4th embodiment (take off lid and rotor after state).
The vertical view that Figure 19 constitutes for the expression base component.
Figure 20 is used to illustrate by metal terminal make the spring sheet part overcome the figure of the state that elastic force upwards pushes away.
Figure 21 has the vertical view (take off lid and rotor after state) of the variation of another kind of terminal construction for expression in the brushless vibrating dynamo of the 4th embodiment.
Figure 22 is the sectional view of the brushless vibrating dynamo formation of expression Figure 21.
Figure 23 is equipped with the exploded perspective view of the portable phone of brushless vibrating dynamo for expression.
Figure 24 is equipped with the fragmentary perspective cross sectional view of the terminal machine of the information of carrying of brushless vibrating dynamo for expression.
Figure 25 is equipped with the exploded perspective view of the game machine of brushless vibrating dynamo for expression.
Embodiment
One embodiment of the invention is described with reference to the accompanying drawings.In addition, in the description of the drawings, same element numeral prosign, the repetitive description thereof will be omitted.
Fig. 1 is the sectional view of the brushless vibrating dynamo formation of expression the 1st embodiment.The vertical view that Fig. 2 and Fig. 3 constitute for this brushless vibrating dynamo of expression.Wherein, Fig. 2 represents for convenience of explanation and state after lid 38 taken off, the state after Fig. 3 represents further rotor 30 to be taken off.
As Fig. 1～shown in Figure 3, brushless vibrating dynamo (being designated hereinafter simply as " motor ") 10 comprise have lift-launch on not shown assembling substrates mounting surface 12a and with the base component 12 of the parts mount surface 12b of its subtend.This base component 12 is formed by for example plastics, fiber-reinforced plastic materials such as (FRP:GFRP, CFRP), and profile is roughly square.
The parts mount surface 12b of this base component 12 is provided with flux plate 14.This flux plate 14 is for example formed by silicon steel plate, has to make the motor 10 level and smooth functions that start.
The parts mount surface 12b of base component 12 is that flux plate 14 is provided with loop substrate 16.The profile of this loop substrate 16 is roughly square, and its size is roughly identical with base component 12.This loop substrate 16 is formed by flexible wiring substrate etc., has implemented printed wiring above.
Again, the central authorities at the parts mount surface 12b of base component 12 are provided with bearing arrangement 18.And, on this bearing arrangement 18, be supported with axle 20 pivotally.
On loop substrate 16,2 coil 22 balanced configurations become axle 20 is clipped in therebetween.In the present embodiment, these coils 22 are made of pancake coil.As shown in Figure 3, on loop substrate 16 promptly the zone of 22 of these 2 coils be equipped with the Hall element (hall effect devices) 24 that detects magnetic, motor-driven with element 26, other electron component 28.
As depicted in figs. 1 and 2, on axle 20, fixing and the rotating rotor 30 of axle 20 one.Below rotor 30, be provided with the magnet 32 of ring-type, form relative shape with the coil 22 that is provided with on the loop substrate 16.
As shown in Figure 2, the basic configuration of rotor 30 is discoideus by radius R regulation, the pact of its side half to the length that radial outside extends Δ R, formed broader region 30a.And, in this broader region 30a, be formed with circular-arc grooving 34.From the below of rotor 30, the part of the balance weight 36 that for example is made of the bigger material of proportions such as tungsten is imported this grooving 34, fix by riveted joint.Like this, balance weight 36 is offset to rotor 30, has been mounted to nonequilibrium state, so vibrate simultaneously in that axle 20 is rotating.
As shown in Figure 1, base component 12 is provided with lid 38.Be provided with the bearing arrangement 40 of bolster 20 pivotally above the lid 38 at this.In the space that forms by this lid 38 and base component 12, contain flux plate 14, loop substrate 16, coil 22, motor-driven with element 26, Hall element 24, bearing arrangement 18, axle 20, rotor 30, magnet 32, balance weight 36 etc., can restrain the intrusion of outside dust etc.Thus, the fault that can restrain motor takes place, and can carry out steady running for a long time.
In the motor 10 of this structure, as shown in Figure 2, below rotor 30 turning circles, dispose coil 22, motor-driven element 26, Hall element 24, other electron component 28.Thus, the space on the loop substrate 16 can be effectively utilized, the miniaturization of motor 10 can be realized.
In the motor 10 of present embodiment, magnet 32 is the magnet of 6 utmost points preferably.As shown in Figure 3, when magnet 32 was 6 utmost points, the angle of release α of coil 22 was 60 degree.In the zone (being meant) of on loop substrate 16, stipulating, be equipped with motor-driven element 26, Hall element 24, other electron component 28 here by the angle beta (=180-α) of 22 of these coils by the fixed zone of angle 120 metrics.
To this, when magnet 32 is 4 utmost points, the angle of release α of coil 22 is 90 degree, exist that coil 22 maximizes and loop substrate 16 on the little tendency in available space, and magnet 32 is when being 8 utmost points, the angle of release α of coil 22 is 45 degree, exist that coil 22 reduces and loop substrate 16 on the big tendency in available space, but this occasion, the positional precision of carrying Hall element 24 is strict more, exists the tendency of motor 10 control difficulties.In view of above situation, magnet 32 is 6 utmost point magnet preferably.
In the motor 10 of present embodiment, type of drive is single-phase bipolar mode or two-phase one pole mode preferably.
Shown in Fig. 4 A, in the single-phase bipolar mode, 2 coils 22 are connected in series constitutes the loop.Timing signal according to the signal by Hall element 24 generates carries out switching manipulation by motor-driven with the combination (high (H), low (L)) that 26 pairs of elements are additional to the current potential of two- terminal 42,44, can obtain required moment of torsion.The moment of torsion of this moment is shown in Fig. 4 B, and available 1 torque curve (being represented by C1) is represented with 1 torque curve (representing with C2) in addition different with its polarity.Timing signal according to the signal by Hall element 24 generates carries out above-mentioned switching manipulation at the time point that is equivalent to a P, can obtain the moment of torsion of representing with arrow T.
Shown in Fig. 5 A, in the two-phase bipolar fashion, with the end difference ground connection formation loop of 2 coils 22.Timing signal according to the signal by Hall element 24 generates carries out switching manipulation by motor-driven with the break-make that 26 pairs of elements are additional to the current potential of each terminal 42,44, can obtain required moment of torsion.The moment of torsion of this moment is shown in Fig. 5 B, and the torque curve (representing with C2) of the torque curve of available coil 22-1 (being represented by C1) and coil 22-2 is represented.Timing signal according to the signal by Hall element 24 generates carries out above-mentioned switching manipulation at the time point that is equivalent to a P, can obtain the moment of torsion of representing with arrow T.
Like this,, then can make the drive controlling simplification of motor 10, be loaded on motor-driven the driving loop of element 26 and the distribution simplification on the loop substrate 16 thereof in can making if type of drive has adopted single-phase bipolar mode or two-phase one pole mode.Again, as long as required coil is with 2, and as long as the number of required Hall element 24 is with 1.Thus, can further reduce cost in motor 10 manufacturings and the miniaturization and the lightweight that can realize motor 10.
More than, in the brushless vibrating dynamo 10 of the 1st embodiment, the number of the coil 22 that is provided with on the loop substrate 16 is 2.Like this, because of the number of coil 22 is 2, so compare and to reduce cost with the motor that coil is provided with more than 3.Again, can effectively utilize the space on the loop substrate 16, in its space, can carry motor-driven with element 26, Hall element 24, other electron component 28, so can realize the miniaturization of motor 10.
Again, the brushless vibrating dynamo 10 of the 1st embodiment is because of having flux plate 14, so can make the startup of motor 10 level and smooth.
Again, the brushless vibrating dynamo 10 of the 1st embodiment is because of having the lid 38 that base component 12 is covered above, so can restrain the intrusion of dust from the outside etc.Thus, the fault that can restrain motor takes place, and can carry out steady running for a long time.
Again, in the brushless vibrating dynamo 10 of the 1st embodiment, because type of drive has adopted single-phase bipolar mode or two-phase one pole mode, can make the drive controlling simplification of motor 10, be loaded on motor-driven the driving loop of element 26 and the distribution simplification on the loop substrate 16 thereof in can making.Again, as long as the number of required Hall element 24 is with 1.Thus, can further reduce the cost that motor 10 is made.
As shown in Figure 6, in the brushless vibrating dynamo 10 of above-mentioned the 1st embodiment, also can cancel corner part (Fig. 3 41).Like this, can realize the further miniaturization and the lightweight of brushless vibrating dynamo 10.
The following describes the brushless vibrating dynamo of the 2nd embodiment.In addition, with the brushless vibrating dynamo identical components of above-mentioned the 1st embodiment on the mark prosign, the repetitive description thereof will be omitted.
Fig. 7 is the sectional view of the brushless vibrating dynamo formation of expression the 2nd embodiment.The vertical view that Fig. 8 and Fig. 9 constitute for this brushless vibrating dynamo of expression.Wherein, Fig. 8 represents for convenience of explanation and state after lid 38 taken off, the state after Fig. 9 represents further rotor 30 to be taken off.
As Fig. 7～shown in Figure 9, the brushless vibrating dynamo of the 2nd embodiment (being designated hereinafter simply as " motor ") 10 basic comprisings are identical with the brushless vibrating dynamo of the 1st embodiment, below the dissimilarity of structure made detailed description.
As Fig. 8～shown in Figure 9, in the motor 10 of the 2nd embodiment, the profile of base component 12 is for roughly discoideus.The parts mount surface 12b of this base component 12 is provided with the 6 different utmost point flux plates 14 of flux plate profile with the motor of the 1st embodiment.
The parts mount surface 12b of base component 12 is that flux plate 14 is provided with loop substrate 16.The profile of this loop substrate 16 is discoideus, and its size is roughly identical with base component 12.
Again, the central authorities at the parts mount surface 12b of base component 12 are provided with bearing arrangement 18.And, on this bearing arrangement 18, be supported with axle 20 pivotally.
On loop substrate 16,2 coil 22 balanced configurations are for to be clipped in axle 20 therebetween.In the present embodiment, these coils 22 are made of pancake coil.As shown in Figure 9, on loop substrate 16 promptly the zone of 22 of these 2 coils be equipped with the Hall element 24 (hall effect devices) 24 that detects magnetic, motor-driven with element 26.
As shown in Figure 7 and Figure 8, on axle 20, fixing and the rotating rotor 30 of axle 20 one.Below rotor 30, be provided with the magnet 32 of ring-type, form relative shape with the coil 22 that is provided with on the loop substrate 16.
As shown in Figure 7 and Figure 8, the profile of rotor 30 is discoideus.On this rotor 30, fixing the balance weight 36 that constitutes by the big material of proportions such as tungsten non-equilibriumly.That is, in the angular range η of discoideus rotor 30 parts, from the top balance weight 36 that is fixed with to the side non-equilibriumly.Like this, owing to balance weight 36 biasing is installed on rotor 30 non-equilibriumly, therefore, vibrate simultaneously in that axle 20 is rotating.
Again, as shown in Figure 7, base component 12 is provided with lid 38.In this motor 10,20 on axle is supported pivotally by bearing arrangement 18, and is the same with the motor of the 1st embodiment, is not provided with the bearing arrangement of bolster 20 usefulness pivotally in lid 38.In the space that forms by this lid 38 and base component 12, contain flux plate 14, loop substrate 16, coil 22, motor-driven with parts such as element 26, Hall element 24, bearing arrangement 18, axle 20, rotor 30, magnet 32, balance weights 36, can restrain the intrusion of outside dust etc.Thus, the fault that can restrain motor takes place, and can carry out steady running for a long time.
In the motor 10 of this structure, as shown in Figure 8, below rotor 30 turning circles, dispose coil 22, motor-driven element 26, Hall element 24, other electron component 28.Thus, the space on the loop substrate 16 can be effectively utilized, the miniaturization of motor 10 can be realized.
The brushless vibrating dynamo 10 of above-mentioned the 2nd embodiment also can obtain the action effect identical with the motor of the 1st embodiment.Particularly as Fig. 7～shown in Figure 9, the profile of the brushless vibrating dynamo 10 of the 2nd embodiment is circular, remaining areas can be taken down, and can reduce volume, so can further make motor 10 miniaturizations and lightweight.
The following describes the brushless vibrating dynamo of the 3rd embodiment.In addition, with the brushless vibrating dynamo identical components of above-mentioned the 1st embodiment on the mark prosign, the repetitive description thereof will be omitted.
As Figure 10～shown in Figure 14, the brushless vibrating dynamo of the 3rd embodiment (being designated hereinafter simply as " motor ") 10 basic comprisings are identical with the brushless vibrating dynamo of the 1st embodiment, below the structure difference are elaborated.
As shown in figure 10, brushless vibrating dynamo 10 is a kind of miniaturization vibrating motor structures that are housed in the machine such as portable phone.This motor 10 comprise have lift-launch on the assembling substrates of not shown machine mounting surface 12a and with the base component 12 of the parts mount surface 12b of its subtend.This base component 12 is for example formed by the material of plastics, fiber-reinforced plastic (FRP:GFRP, CFRP) etc., and profile is for roughly square.
Fixing flux plate 14 on the parts mount surface 12b of this base component 12, flux plate 14 for example is shaped by silicon steel plate, has to make motor 10 start level and smooth function.Again, the loop substrate 16 that is bearing on the parts mount surface 12b of base component 12 is fixed to the form that flux plate 14 is covered.The profile of this loop substrate 16 is roughly square, and its size is roughly identical with base component 12.This loop substrate 16 is formed by flexible wiring substrate etc., has implemented printed wiring above.
Again, the central authorities at the parts mount surface 12b of base component 12 are provided with bearing arrangement 18.And, on this bearing arrangement 18, be supported with axle 20 pivotally.And 2 coils 22 are fixed on loop substrate 16 axle 20 are clipped in therebetween.As shown in figure 12, on loop substrate 16, be equipped with Hall element (hall effect devices) 24, motor-driven element 26 and the other electron component 28 that detects magnetic.
As shown in Figure 10 and Figure 11, on axle 20, fixing and the rotating rotor 30 of axle 20 one.Rotor 30 below the magnet 32 of ring-type is arranged to loop substrate 16 on coil 22 subtends that are provided with.As shown in figure 11, the basic configuration of this rotor 30 is discoideus by radius R regulation, the pact of its side half to the length that radial outside extends Δ R, formed broader region 30a.And, in this broader region 30a, be formed with circular-arc grooving 34.The part of the balance weight 36 that will be for example from the below of rotor 30 be made of the bigger material of proportions such as tungsten imports this grooving 34, fixes by riveted joint.Like this, rotor 30 is fixed in balance weight 36 biasings.Like this, owing to balance weight 36 biasing is installed on rotor 30 non-equilibriumly, therefore, vibrate simultaneously in that axle 20 is rotating.
Again, framework 19 is made of base component 12 and lid 38, and this framework 19 for example is the size of vertical 11mm * horizontal 11mm * high 3.6mm, can realize miniaturization.And in the upper central of this lid 38, embedding has the journal bearing 40 of bolster 20 pivotally.In this framework 19, can accommodate aforesaid flux plate 14, loop substrate 16, coil 22, motor-driven with various parts such as element 26, Hall element 24, bearing arrangement 18, axle 20, rotor 30, magnet 32, balance weights 36, adopt framework 19 can restrain the intrusion of outside dust etc.Thus, the fault that can restrain motor takes place, and can carry out steady running for a long time.
In aforesaid motor 10, magnet 32 is the magnet of 6 utmost points preferably.As shown in figure 12, when magnet 32 was 6 utmost points, the angle of release α of coil 22 was 60 degree.Be equipped with motor-driven element 26, Hall element 24, other electron component 28 here in the zone (being meant) of on loop substrate 16, stipulating by the angle beta (=180-α) of 22 of these coils by the fixed zone of angle 120 metrics.
Again, preferably single-phase bipolar mode or two-phase one pole mode of the type of drive of motor 10.Like this,, then can make the drive controlling simplification of motor 10, be loaded on motor-driven the driving loop of element 26 and the distribution simplification on the loop substrate 16 thereof in can making if type of drive has adopted single-phase bipolar mode or two-phase one pole mode.Again, as long as the number of required Hall element 24 is with 1.Thus, can further reduce the cost that motor 10 is made.
Again, because the type of drive of this motor 10 is single-phase bipolar mode or two-phase one pole mode, therefore, the number of the coil 22 that is provided with on the loop substrate 16 is 2.Like this, because of the number of coil 22 is 2,, can reduce cost so compare with the motor that coil is provided with more than 3.Again, can effectively utilize the space on the loop substrate 16, in its space, can carry motor-driven with element 26, Hall element 24 and other electron component 28, so can realize the miniaturization of motor 10.
The motor 10 of present embodiment has the terminal 42,44 that supply capability is used.As Figure 13 and shown in Figure 14, each terminal the 42, the 44th, metallic leaf spring, this leaf spring are configured in the mounting surface 12a side of base component 12, and the one end is fixed in loop substrate 16, forms single face supporting form.One end of each terminal 42,44 bends to L word shape, this cardinal extremity by scolding tin 45 and loop substrate 16 fixed position, loop be connected and fixed by mechanicalness.And the trip end of each terminal 42,44 bearing of trend of axle 20 relatively extends along the direction of quadrature, and has elasticity at the bearing of trend of axle 20.The fixing distolateral insertion of each terminal 42,44 is formed in the through hole 47 of base component 12, stretches out behind the perforation loop substrate 16.To this, the exposed portions serve of each terminal 42,44 is accommodated in the rectangle terminal resettlement section recess 46 of base component 12 formation, can firmly carry out the surface-assembled of motor 10 on substrate.
In the past, as this terminal technology that is electrically connected usefulness, can open shown in the 2000-245103 communique with reference to the Japan Patent spy.The motor of this communique record is to be exposed to the outside by the terminal that will be electrically connected usefulness, and each terminal is realized to each coil power supply by soldering and other parts mechanical engagement.Yet, in the time of in group of motors being loaded on the terminal machine of the small-sized information of carrying etc., in the time of will being exposed to the terminal of framework outside and internal base plate electrical engagement by soldering, the assembling operation of machine is poor, and, aspect terminal, consider the soldering factor and must guarantee metal covering, exist the problem that is difficult to promote the machine miniaturization.
To this, in the motor 10 of the 3rd embodiment, adopted the terminal 42,44 of this structure, in the time of in motor 10 being assembled in machines such as portable phone, can not adopt the soldering mode, lid 38 sides of motor 10 are pushed from axle 20 bearing of trends carry out assembling operation.Thus, because of terminal 42 and other parts being carried out electrical engagement simply, so the assembling operation in the machines such as portable phone is good.And the result who each terminal 42,44 is configured on the mounting surface 12a of base component 12 is the miniaturization that helps promoting machine.Again, the result who constitutes terminal 42,44 by the leaf spring of single face bearing state can suitably keep the electrical engagement power of effectively utilizing elastic force under motor 10 assembled states.
And, be formed with the assembling contact portions 42a, the 44a that bloat to foreign side of integrated at the end bent of each terminal 42,44.On 1 straight line pair of terminal 42,44 being configured to pair of right and left assembling contact portions 42a, 44a is separated from each other.In this occasion, can utilize width permutation ground in mounting surface 12a of the rectangle mounting surface 12a of base component 12 that pair of terminal 42,44 is configured on 1 straight line.Like this, can as much as possible pair of right and left be assembled contact portions 42a, 44a isolates.Can prevent the short circuit that causes between contact by assembling thus as far as possible.
As shown in figure 14, each terminal 42,44 be configured in the mounting surface 12a of base component 12 one-sided near.At this, when each assembling contact portions 42a, 44a are disposed at base component 12 central authorities, might produce and the polarity of each terminal got wrong and be assembled in accident in the machine.Because of this assembly defect, can cause the loop breakage of motor 10.For this reason, near the mounting surface 12a by each terminal 42,44 being configured in base component 12 respectively one-sided, can prevent this assembly defect preferably.
In the brushless vibrating dynamo 10 of present embodiment, as shown in figure 15, in the mounting surface 12a of base component 12 side, the configuration of shape permutation also can be parallel to each other the terminal 54 that has the terminal 52 of assembling contact portions 52a and have an assembling contact portions 54a.Again, also elastic components such as rubber can be sandwiched between leaf-spring-like terminal 42 and the base component 12, elastic components such as this rubber are contained in the terminal accommodating portion recess 46.Like this, the interoperation by elastic components such as leaf-spring-like terminal 42 and rubber can obtain more suitable electrical engagement.In addition, leaf-spring-like terminal 44 too.
The following describes the brushless vibrating dynamo of the 4th embodiment.In addition, with the brushless vibrating dynamo identical components of above-mentioned the 1st embodiment on the mark prosign, the repetitive description thereof will be omitted.
Figure 16 is the sectional view of the brushless vibrating dynamo formation of expression the 4th embodiment.The vertical view that Figure 17 and Figure 18 constitute for this motor.Wherein, Figure 17 represents for convenience of explanation and state after lid taken off, the state after Figure 18 represents further rotor to be taken off.Figure 19 has the vertical view of the base component formation of present embodiment motor for expression.
As Figure 16～shown in Figure 19, brushless vibrating dynamo (being designated hereinafter simply as " motor ") 10 comprise have mounting surface 12a and with the base component 12 of the parts mount surface 12b of its subtend.This base component 12 is formed by rubber-like plastics or fiber-reinforced plastic materials such as (FRP:GFRP, CFRP), and profile is roughly square.
As Figure 16 and shown in Figure 19, the parts mount surface 12b of base component 12 is provided with flux plate 14.This flux plate 14 is for example formed by silicon steel plate, has to make the motor 10 level and smooth functions that start.
The parts mount surface 12b of base component 12 is that flux plate 14 is provided with loop substrate 16.The profile of this loop substrate 16 is roughly square, and its size is roughly identical with base component 12.This loop substrate 16 is formed by fiber-reinforced plastic material such as (FRP) rubber-like or flexible wiring substrate etc., has implemented printed wiring above.
Again, the central authorities at the parts mount surface 12b of base component 12 are provided with bearing arrangement 18.And, on this bearing arrangement 18, be supported with axle 20 pivotally.
On loop substrate 16,2 coil 22 balanced configurations become axle 20 is clipped in therebetween.In the present embodiment, these coils 22 are made of pancake coil.As shown in figure 18, on loop substrate 16 promptly the zone of 22 of these 2 coils be equipped with the Hall element 24 that detects magnetic, motor-driven with element (IC) 26, other electron component 28.
As Figure 16 and shown in Figure 17, on axle 20, fixing and the rotating discoideus rotor 30 of axle 20 one.Below rotor 30, be provided with the magnet 32 of ring-type, form relative shape with the coil 22 that is provided with on the loop substrate 16.Like this, constitute revolution by axle 20, rotor 30, magnet 32.
As shown in figure 17, the basic configuration of rotor 30 is discoideus by radius R regulation, the pact of its side half to the length that radial outside extends Δ R, formed broader region 30a.And, in this broader region 30a, be formed with circular-arc grooving 34.From the below of rotor 30, the part of the balance weight 36 that for example is made of the bigger material of proportions such as tungsten is imported this grooving 34, fix by riveted joint.Like this, balance weight 36 is installed on rotor 30 non-equilibriumly, so vibrate simultaneously in that axle 20 is rotating.
As shown in figure 16, base component 12 is provided with lid 38.Be provided with the bearing arrangement 40 of bolster 20 pivotally above the lid 38 at this.In the space that forms by this lid 38 and base component 12, contain loop substrate 16, coil 22, motor-driven with members such as element 26, Hall element 24, bearing arrangement 18, axle 20, rotor 30, magnet 32, can restrain the intrusion of outside dust etc.Thus, the fault that can restrain motor takes place, and can carry out steady running for a long time.
In the motor 10 of this structure, below rotor 30 turning circles, dispose coil 22, motor-driven element (IC) 26, Hall element 24, other electron component 28.Thus, the space on the loop substrate 16 can be effectively utilized, the miniaturization of motor 10 can be realized.
In the motor 10 of present embodiment, magnet 32 is the magnet of 6 utmost points preferably.
At this, the motor 10 of present embodiment has the terminal construction 42,44 that electric power is supplied with usefulness.The metal terminal 49 that this terminal construction 42,44 has spring sheet part 43 and is installed on spring sheet part 43.
On loop substrate 16, be provided with an arm 17 along the datum level of the mounting surface 12a that comprises base component 12, the length direction of this arm 17 extends along one side of loop substrate 16.This arm 17 adopts method such as punch process that 1 substrate and loop substrate 16 is integrally formed, by this loop substrate 16 in addition single face support.This arm 17 is positioned on the spring sheet part 43 when the state that loop substrate 16 is carried on base component 12.
As Figure 16 and shown in Figure 17, metal terminal 49 is installed at the front end of spring sheet part 43.The taper afterbody of metal terminal 49 front ends leads in the hole that spring sheet part 43 front ends are provided with and above arriving from following insert.And the afterbody of metal terminal 49 leads in the hole that an arm 17 of loop substrate 16 is provided with from following insert, and fixing by soldering etc. in the above.Implementing not shown distribution above the arm 17, be connected with distribution on the loop substrate 16.Like this, by distribution on the arm 17 and the distribution on the loop substrate 16, metal terminal 49 and motor-driven are electrically connected with element 26.In addition sphere processing of the leading section 49a of this metal terminal 49.Thus, because of in addition sphere processing of leading section 49a,, can make contact stabilizationization with assembling substrates so compare with the occasion on plane.
The motor 10 of present embodiment has the pair of terminal structure 42,44 of said structure.Foundation portion with spring sheet part 43 of this terminal construction 42,44 carries out the single face supporting by protruding the lug boss 12c that forms from base component 12.
The following describes the action effect of the motor 10 with terminal construction 42,44 of said structure.
As shown in figure 16, this motor 10 is under non-assembled state, and the leading section 49a that is installed on the metal terminal 49 of spring sheet part 43 front ends stretches out downwards from the datum level of the mounting surface 12a that comprises base component 12.This overhang has influence on the pushing force when assembling on the assembling substrates, requires to have stability.This overhang exists with ... the depth of parallelism of datum level of relative spring sheet part 43 and the dimensional accuracy of metal terminal 49.At this moment, in the motor 10 of the terminal construction 42,44 with present embodiment, spring sheet part 43 is integrally formed with base component 12, can the well maintained depth of parallelism.Again, the dimensional accuracy of metal terminal 49 is also well maintained easily.Can make this overhang stabilisation thus.
As shown in figure 20, carry under the assembled state of assembling substrates 50 at the mounting surface 12a with base component 12, spring sheet part 43 overcomes elastic force by metal terminal 49 upwards to be pushed away, and thus, the leading section 49a of metal terminal 49 is to the datum level displacement.At this moment, utilize the elastic force of spring sheet part 43, push metal terminal 49 to assembling substrates 50 with required pushing force.The leading section 49a of metal terminal 49 compresses into the row contact with the power suppling part (not shown) of assembling substrates 50 with required contacting, to guarantee conducting.
Like this, in motor 10 with this terminal construction 42,44, be in the stable postureization of the motor 10 of assembled state, utilize the elastic force of spring sheet part 43, the leading section 49a with metal terminal 49 contacts with the power suppling part of assembling substrates 50 with stable pushing force.The result can guarantee conducting, realizes the stabilisation that power supply is supplied with.Again, spring sheet part 43 and the metal terminal 49 with the shaping of base component 12- body terminal constructions 42,44 can be constituted, the maximization of motor 10 can be fully restrained.And,, therefore can restrain cost and rise owing to need particular component not being set in order to constitute terminal construction 42,44.
The motor 10 of present embodiment also can adopt the structure of two sides support spring plate portion 43.In this occasion, as shown in figure 21, by on base component 12 abreast punch process go out 3 methods such as elongated slots 52, can form the spring sheet part 43 of 2 two surface bearings.And, by metal terminal 49 being installed near the central authorities of each spring sheet part 43, to constitute terminal construction 42,44.
In the motor with this terminal construction 42,44, as shown in figure 22, under non-assembled state, the leading section 49a that is installed on the metal terminal 49 of spring sheet part 43 front ends stretches out downwards from the datum level of the mounting surface 12a that comprises base component 12.And under the assembled state of mounting surface 12a lift-launch at assembling substrates with base component 12, spring sheet part 43 overcomes elastic force by metal terminal 49 upwards to be pushed away, and thus, the leading section 49a of metal terminal 49 is to the datum level displacement.Under this assembled state, utilize the elastic force of spring sheet part 43, push metal terminal 49 to assembling substrates with required pushing force.The leading section 49a of metal terminal 49 compresses into the row contact with the power suppling part of assembling substrates with required contacting, to guarantee conducting.Like this, in motor 10 with this terminal construction 42,44, also can make the stable postureization of the motor 10 of assembled state, utilize the elastic force of spring sheet part 43, the leading section 49a with metal terminal 49 contacts with the power suppling part of assembling substrates 50 with stable pushing force.The result can guarantee conducting, realizes the stabilisation that power supply is supplied with.Can fully restrain the maximization of motor 10 with constituting terminal constructions 42,44 with integrally formed spring sheet part 43 and the metal terminal 49 of base component 12 again.And,, therefore can restrain cost and rise owing to need the particularity parts not being set in order to constitute terminal construction 42,44.
Brushless vibrating dynamo of the present invention is not limited to the foregoing description, can do various changes.
For example, 2 coils 22 are that balanced configuration becomes axle 20 is clipped in therebetween, but are not limited to this, also 20 symmetrical arrangements relatively.
In the brushless vibrating dynamo of the 2nd embodiment, the terminal construction that has illustrated among the 3rd and the 4th embodiment can be set also again.
Various embodiments to brushless vibrating dynamo of the present invention is described above, can carry this brushless vibrating dynamo and form various vibrations and report machine.For example, as shown in figure 23, brushless vibrating dynamo 10 can be carried on the internal base plate 72 of portable phone 70, form to have and vibrate the portable phone of reporting function.And for example shown in Figure 24, can with brushless vibrating dynamo 10 lift-launchs on the internal base plate 82 of the terminal machine 80 of the information of carrying of pocket portable telephone and PDA etc., form to have and vibrate the terminal machine of the information of carrying of reporting function.And for example shown in Figure 25, brushless vibrating dynamo 10 can be carried on the internal base plate 92 of the game machine 90 of the controller of game machine and pachinko etc., form and have the game machine that function is reported in vibration.
Utilizability on the industry
Adopt the present invention, the brushless vibrating dynamo of realizing miniaturization and cost degradation can be provided.
Claims (19)
1. a brushless vibrating dynamo is characterized in that, comprising:
Base component with mounting surface and parts mount surface;
Be arranged on loop substrate, the flux plate of the parts mount surface side of base component, 2 coils and Hall element;
Be disposed at 2 axles between coil;
Be fixed in the axle and with the rotating rotor of axle one;
With 2 coils to be arranged on described epitrochanterian magnet planarly; And
Be offset to the balance weight of described rotor.
2. brushless vibrating dynamo as claimed in claim 1 is characterized in that, also has the motor-driven element of the described parts mount surface side that is arranged at described base component.
3. brushless vibrating dynamo as claimed in claim 2 is characterized in that, described motor-driven is arranged on below, the rotating zone of described rotor with element.
4. brushless vibrating dynamo as claimed in claim 1, it is characterized in that, also have the lid that described base component is covered above, the inside of this lid contains described loop substrate, described flux plate, described 2 coils, described Hall element, described axle, described rotor, described magnet and described balance weight.
5. brushless vibrating dynamo as claimed in claim 1 is characterized in that, described type of drive adopts the single-phase bipolar mode.
6. brushless vibrating dynamo as claimed in claim 1 is characterized in that, described type of drive adopts two-phase one pole mode.
7. brushless vibrating dynamo as claimed in claim 1 is characterized in that, also has the terminal that is made of the bearing of trend rubber-like leaf spring along axle, and described terminal is configured in the mounting surface side of base component, is electrically connected with loop substrate simultaneously.
8. brushless vibrating dynamo as claimed in claim 7 is characterized in that, described terminal is the single face bearing state that an end is fixed in described loop substrate.
9. brushless vibrating dynamo as claimed in claim 7 is characterized in that, also has a pair of described terminal, and this pair of terminal is configured to assemble contact portions point-blank and is separated from each other.
10. brushless vibrating dynamo as claimed in claim 7 is characterized in that, also has a pair of described terminal, and this pair of terminal is configured in respectively near described mounting surface one-sided of described base component.
11. brushless vibrating dynamo as claimed in claim 1 is characterized in that, comprising:
Datum level along the described mounting surface that comprises described base component extends and the spring sheet part integrally formed with base component; And
Be installed on the metal terminal of described spring sheet part,
The leading section of described metal terminal stretches out from described datum level when non-assembled state, and the elastic force that overcomes described spring sheet part when assembled state is towards the displacement of described datum level direction.
12. brushless vibrating dynamo as claimed in claim 11 is characterized in that, described spring sheet part has the structure of single face supporting,
13. brushless vibrating dynamo as claimed in claim 11 is characterized in that, described spring sheet part has the structure of two-sided supporting.
14. brushless vibrating dynamo as claimed in claim 1 is characterized in that, described base component is formed by fiber-reinforced plastic.
15. machine is reported in a vibration, it is characterized in that, carries brushless vibrating dynamo as claimed in claim 1.
16. a portable phone is characterized in that, carries brushless vibrating dynamo as claimed in claim 1.
17. one kind is carried the terminal machine of information, it is characterized in that, carries brushless vibrating dynamo as claimed in claim 1.
18. a game machine is characterized in that, carries brushless vibrating dynamo as claimed in claim 1.
19. the terminal construction of a motor is used for it is characterized in that to the motor supply capability with base component, comprising:
Datum level along the mounting surface that comprises described base component extends and the spring sheet part integrally formed with described base component; And
Be installed on the metal terminal of described spring sheet part,
The leading section of described metal terminal stretches out from described datum level when non-assembled state, and the elastic force that overcomes described spring sheet part when assembled state is towards the displacement of described datum level direction.
Applications Claiming Priority (9)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001285629A JP2003092854A (en) | 2001-09-19 | 2001-09-19 | Terminal structure of motor and motor having the same |
| JP285590/01 | 2001-09-19 | ||
| JP285629/2001 | 2001-09-19 | ||
| JP285629/01 | 2001-09-19 | ||
| JP2001285590A JP2003088805A (en) | 2001-09-19 | 2001-09-19 | Brushless vibrating motor |
| JP285590/2001 | 2001-09-19 | ||
| JP2001301262A JP2003111374A (en) | 2001-09-28 | 2001-09-28 | Brushless motor |
| JP301262/2001 | 2001-09-28 | ||
| JP301262/01 | 2001-09-28 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1473385A true CN1473385A (en) | 2004-02-04 |
| CN1276570C CN1276570C (en) | 2006-09-20 |
Family
ID=27347535
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB028029356A Expired - Fee Related CN1276570C (en) | 2001-09-19 | 2002-09-19 | Brushless vibrating motor |
Country Status (3)
| Country | Link |
|---|---|
| KR (1) | KR100909716B1 (en) |
| CN (1) | CN1276570C (en) |
| WO (1) | WO2003028191A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111247725A (en) * | 2017-10-27 | 2020-06-05 | 日本电产株式会社 | Motor with a stator having a stator core |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100828649B1 (en) * | 2006-04-06 | 2008-05-09 | 엘지이노텍 주식회사 | Bldc vibration motor |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63164368U (en) * | 1987-04-16 | 1988-10-26 | ||
| JPH0628939Y2 (en) * | 1989-06-16 | 1994-08-03 | 日本電産株式会社 | Motor electrical connection structure |
| JPH03107347A (en) * | 1989-09-19 | 1991-05-07 | Takara Seisakusho:Kk | Vibration type flat brushless motor |
| JPH0380650U (en) * | 1989-11-30 | 1991-08-19 | ||
| JPH07213041A (en) * | 1994-01-18 | 1995-08-11 | Shicoh Eng Co Ltd | Single-phase brushless motor |
| JP3516508B2 (en) * | 1995-03-03 | 2004-04-05 | 日本電産株式会社 | Spindle motor |
| JPH1198761A (en) * | 1997-09-18 | 1999-04-09 | Matsushita Electric Ind Co Ltd | Brushless vibrating motor |
| JP3166757B2 (en) * | 1999-02-24 | 2001-05-14 | 松下電器産業株式会社 | Brushless vibration motor |
| JP4043637B2 (en) * | 1999-03-29 | 2008-02-06 | 日本電産株式会社 | Brushless motor |
| CN1316815A (en) * | 2000-01-27 | 2001-10-10 | 东京零件工业股份有限公司 | Non-circular flat electric machine and its manufacturing machine |
| JP3255164B2 (en) * | 2000-01-28 | 2002-02-12 | 松下電器産業株式会社 | Small flat motor |
-
2002
- 2002-09-19 KR KR20037006070A patent/KR100909716B1/en not_active IP Right Cessation
- 2002-09-19 WO PCT/JP2002/009643 patent/WO2003028191A1/en active Application Filing
- 2002-09-19 CN CNB028029356A patent/CN1276570C/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111247725A (en) * | 2017-10-27 | 2020-06-05 | 日本电产株式会社 | Motor with a stator having a stator core |
| CN111247725B (en) * | 2017-10-27 | 2022-06-14 | 日本电产株式会社 | Motor |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2003028191A1 (en) | 2003-04-03 |
| CN1276570C (en) | 2006-09-20 |
| KR100909716B1 (en) | 2009-07-29 |
| KR20040029954A (en) | 2004-04-08 |
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Granted publication date: 20060920 Termination date: 20120919 |