WO2018003177A1 - 操作装置及び該操作装置の制御方法 - Google Patents
操作装置及び該操作装置の制御方法 Download PDFInfo
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- WO2018003177A1 WO2018003177A1 PCT/JP2017/008060 JP2017008060W WO2018003177A1 WO 2018003177 A1 WO2018003177 A1 WO 2018003177A1 JP 2017008060 W JP2017008060 W JP 2017008060W WO 2018003177 A1 WO2018003177 A1 WO 2018003177A1
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- Prior art keywords
- control unit
- yoke
- movable member
- display
- movable
- Prior art date
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Images
Classifications
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
- G05G5/00—Means for preventing, limiting or returning the movements of parts of a control mechanism, e.g. locking controlling member
- G05G5/03—Means for enhancing the operator's awareness of arrival of the controlling member at a command or datum position; Providing feel, e.g. means for creating a counterforce
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/10—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using liquid only; using a fluid of which the nature is immaterial
- F16F9/12—Devices with one or more rotary vanes turning in the fluid any throttling effect being immaterial, i.e. damping by viscous shear effect only
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/53—Means for adjusting damping characteristics by varying fluid viscosity, e.g. electromagnetically
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/53—Means for adjusting damping characteristics by varying fluid viscosity, e.g. electromagnetically
- F16F9/535—Magnetorheological [MR] fluid dampers
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- G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
- G05G5/00—Means for preventing, limiting or returning the movements of parts of a control mechanism, e.g. locking controlling member
- G05G5/06—Means for preventing, limiting or returning the movements of parts of a control mechanism, e.g. locking controlling member for holding members in one or a limited number of definite positions only
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- G—PHYSICS
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- G06F—ELECTRIC DIGITAL DATA PROCESSING
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- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
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- G06F3/0362—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor with detection of 1D translations or rotations of an operating part of the device, e.g. scroll wheels, sliders, knobs, rollers or belts
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- G08B7/06—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00 using electric transmission, e.g. involving audible and visible signalling through the use of sound and light sources
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- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N52/00—Hall-effect devices
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
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- G05G1/02—Controlling members for hand actuation by linear movement, e.g. push buttons
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- G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
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- G05G1/08—Controlling members for hand actuation by rotary movement, e.g. hand wheels
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- G05—CONTROLLING; REGULATING
- G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
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- G—PHYSICS
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- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B3/00—Audible signalling systems; Audible personal calling systems
- G08B3/10—Audible signalling systems; Audible personal calling systems using electric transmission; using electromagnetic transmission
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B6/00—Tactile signalling systems, e.g. personal calling systems
Definitions
- the present invention relates to an operation device capable of giving an operation feeling to an operator when the operator operates, and a control method for the operation device.
- FIG. 16 is a view for explaining the manual input device 800 of the conventional example 1, and is a longitudinal sectional view showing the main part of the basic configuration.
- a manual input device 800 shown in FIG. 16 includes a knob 880 (operation member) that is manually operated and rotated by a driver (operator), a planetary gear mechanism having a carrier shaft 851 provided integrally with the knob 880, and a planetary gear.
- a cylindrical ring gear case 860 fixing member that always fixes the ring gear 862 of the gear mechanism, a motor 810 having an output shaft 811 engaged with the sun gear 832 of the planetary gear mechanism, and rotation of the output shaft 811 of the motor 810
- Encoder 830 detection means for detecting the rotation of the motor 810 according to the detection result of the encoder 830.
- the manual input device 800 rotates the motor 810 at a predetermined timing and transmits this rotational force to the knob 880 via the planetary gear mechanism so as to give a predetermined operation feeling to the operator.
- this manual input device 800 can give a good operation feeling, but since the motor 810 is used, it is difficult to respond to the demand for further miniaturization. Therefore, a method for applying an external force (force sense) such as a resistance force or a thrust according to the operation amount or operation direction of the operation member without using the motor 810 has been sought.
- an external force force sense
- Patent Document 2 (Conventional Example 2) proposes a manual brake 911 using a magnetic field responsive material (magnetorheological fluid) whose fluidity is influenced by magnetic field generating means.
- FIG. 17 is a view for explaining a manual brake 911 of Conventional Example 2 and is a longitudinal sectional view.
- a manual brake 911 shown in FIG. 17 passes through the housing 913 having a first housing chamber 915 and a second housing chamber 917, a closing plate 919 that closes the open end side of the housing 913, and the second housing chamber 917.
- a shaft 923 extending to the first housing chamber 915, a rotor 921 provided integrally with the end of the shaft 923 and arranged in parallel in the first housing chamber, and provided in the first housing chamber 915.
- a magnetic field generator 929 immediately adjacent to the outer periphery of the rotor 921, a magnetic field responsive material 941 provided in the first housing chamber 915 and filled to surround the rotor 921, and a second housing chamber 917.
- control means 925 for controlling and monitoring the brake operation.
- the magnetic field generator 929 includes a coil 931 and a pole piece 933 arranged so as to surround three sides of the coil 931.
- the manual brake 911 configured as described above, when the coil 931 is energized, a magnetic flux J37 indicated by a broken line in FIG. 17 is generated, and with the generation of the magnetic flux J37, soft magnetic or magnetization in the magnetic field response material 941 is generated. Possible particles come to be arranged along the magnetic flux J37. For this reason, the resistance given to the rotor 921 by the magnetic field response material 941 increases with respect to the direction of cutting this arrangement, that is, the rotational direction of the rotating rotor 921. Therefore, the manual brake 911 has a braking action that stops the rotation operation of the shaft 923 using the magnetic field response material 941 and the rotor 921.
- the case where the action of the magnetic field response material 941 (magnetoviscous fluid) described above is used for an operating device is conceivable.
- an operating body (operating member) operated by an operator is engaged with a shaft 923 (rotating shaft).
- the control unit 925 controls the current flowing through the coil 931 to apply a load to the operating body (operation member).
- an external force force sense
- a resistance force or a thrust according to the operation amount or operation direction of the operation member can be applied without using a motor.
- an external force such as a resistance force or a thrust according to the operation amount or operation direction of the operation member is applied without using a motor. be able to. Then, it is conceivable to apply the method of applying this external force (force sense) to the input device as in Conventional Example 1.
- the present invention solves the above-described problems, and an operating device that can give a good operational feeling to the operator using a magnetorheological fluid when operated by the operator, and a control method for the operating device.
- the purpose is to provide.
- the operating device includes an operating unit having an operating body that is operated by an operator's operation, a position detecting unit that detects the position of the operation at which the operating body is positioned, and the operation A display unit that displays an operation position of the body, wherein the operation unit freely supports the operation member operated by the operator and having the operation body, and the operation of the operation body And a movable load applying mechanism that applies a load to the operating body.
- the operating body has a movable shaft that enables the operation, and the movable load applying mechanism is movable.
- a movable member that engages with a shaft and operates as described above, a magnetism generating mechanism that faces the movable member across a gap, and a magnetic viscosity that exists in at least a part of the gap and changes in viscosity according to the strength of the magnetic field Control the fluid and the magnetism generation mechanism
- An operation control unit wherein the magnetism generating mechanism is a coil that generates a magnetic field when energized by the operation control unit, and a first that is provided to surround the coil and is disposed on one side of the movable member.
- a display unit that displays the operation position, and a display control unit that controls display on the display unit, and includes the operation control unit and the display control unit. It has the control part to control.
- a magnetic field is generated by energization of the coil, the magnetic path is formed from the first yoke, and the magnetic particles in the magnetorheological fluid are aligned along the magnetic flux. . Therefore, a load is applied to the movable member that moves in a direction crossing the magnetic flux formed between the first yoke and the movable member and between the movable member and the first yoke by the magnetic viscous fluid, and the movable member and the movable shaft are Thus, a load is applied to the operating body.
- the operating device of the present invention includes a sound generating member that generates an electronic sound and a sound control unit that controls the sound generating member, and the sound control unit is controlled by the control unit. Yes.
- an arbitrary electronic sound can be generated according to the actual operated position of the operating tool and the load on the operating tool. Thereby, a better operational feeling (operation feeling) can be given to the operator.
- the operating device of the present invention is characterized in that the movable member is made of a soft magnetic material.
- the magnetic path is surely formed from the first yoke to the movable member and from the movable member to the first yoke, and the magnetic particles in the magnetorheological fluid are aligned in the facing direction facing each other. For this reason, a stronger load is applied to the movable member that operates in a direction crossing the opposing surface direction in which the magnetic particles are aligned. As a result, a stronger load is applied to the operating body via the movable member and the movable shaft, and a good operational feeling can be given to the operator.
- the magnetism generating mechanism has a second yoke disposed on the other side of the movable member so as to face the movable member, and the movable member and the second yoke The gap is filled with the magnetorheological fluid.
- magnetic particles can be aligned in a direction perpendicular to the direction in which the movable member operates, and a stronger load can be applied. Furthermore, a further load can be applied to the movable member that moves in the direction crossing the magnetic flux. As a result, even with an equivalent magnetic field, a greater operational feel can be given to the operator.
- control method of the operating device includes an operating unit having an operating body that is operated by an operator's operation, position detecting means for detecting the position of the operation on which the operating body is positioned, and operation of the operating body.
- a control method of an operating device comprising a display unit for displaying a position, and a control unit for controlling the operating unit and the display unit, wherein the operating unit is operated by an operator and has the operating body
- the movable load applying mechanism is present in at least a part of the gap, a movable member that engages with the movable shaft and operates, a magnetism generating mechanism that faces the movable member across the gap, and Depending on the strength of the magnetic field A magnetorheological fluid that changes, and the magnetism generating mechanism generates a magnetic field by energization, and a first yoke provided to surround the coil and disposed on one side of the movable member;
- An operation control unit that controls energization of the coil, and the display unit includes a display unit that displays the operation position, and a display control unit that controls display on the display unit, A load curve having a plurality of peak values and bottom values of the load is formed according to the strength of the current value to the coil by the operation control unit, and the control unit is configured to have a first peak among the peak value and the bottom value. When moving from the first bottom value to the next second peak value from the first value, the display control unit is controlled to display the movement state
- the operation position is set to a desired position of the display unit. It is characterized by being displayed.
- control method of the operating device of the present invention includes a sound generating member that generates an electronic sound, and a sound control unit that controls the sound generating member, wherein the control unit is configured to change the bottom value from the peak value, When shifting from the bottom value to the next peak value, the sound control unit is controlled to generate the electronic sound.
- control method of the operating device of the present invention is characterized in that the control unit generates the electronic sound when the operating body is within a predetermined range with the bottom value interposed therebetween.
- an arbitrary electronic sound can be heard in a range where the load received by the operator from the operating body is small.
- the operational feeling (operation feel) operated by the operator can be further felt.
- a magnetic field is generated by energizing the coil, a magnetic path is formed from the first yoke, and magnetic particles in the magnetorheological fluid are aligned along the magnetic flux. Therefore, a load is applied to the movable member that moves in a direction crossing the magnetic flux formed between the first yoke and the movable member and between the movable member and the first yoke by the magnetic viscous fluid, and the movable member and the movable shaft are Thus, a load is applied to the operating body.
- control method of the operating device of the present invention even when the operator operates the operating body, even if the operated position of the operating body of the operating unit and the operation position desired by the operator are misaligned.
- the operation position desired by the operator can be matched with the display position displayed on the display unit of the display unit. Thereby, it is possible to give a good operational feeling (operation feeling) to the operator.
- FIG.3 (a) is a top view of the operation unit seen from the Z1 side shown in FIG.2, FIG.3 (b) It is a front view of the operation unit seen from the Y2 side shown in FIG.
- FIGS. 8A and 8B are diagrams illustrating a movable load applying mechanism of the operating device according to the first embodiment of the present invention, in which FIG. 8A is an upper perspective view of the movable load applying mechanism, and FIG. It is the front view seen from the Y2 side shown to 8 (a).
- FIG. 9A is a diagram illustrating a movable load applying mechanism of the operating device according to the first embodiment of the present invention, and FIG. 9A is a lower perspective view in which the second yoke shown in FIG. 8 is omitted, and FIG. FIG.
- FIG. 9B is a lower perspective view in which the movable member shown in FIG.
- FIG. 10A is a schematic diagram for explaining the magnetorheological fluid of the operating device according to the first embodiment of the present invention
- FIG. 10A is a diagram of the magnetorheological fluid in a state where no magnetic field is applied
- FIG. b) is a diagram of a magnetorheological fluid in a state where a magnetic field is applied.
- FIG. 1 is a block diagram showing the configuration of the operating device 100 according to the first embodiment of the present invention.
- the operating device 100 includes an operating unit U1 having an operating body 11 that is operated by an operator's operation, and a position detecting unit M2 that detects the position of the operating body 11.
- a display unit U4 that displays an operation position PP (see FIG. 14 described later) visually recognized by the operator, and a sound generating member that generates an electronic sound (not shown in other drawings, but is a block diagram of FIG. 1) (Indicated in FIG. 1 by H6), operation unit U1, position detection means M2, display unit U4, and sound generation
- Each of the means (H6) is configured to include a control unit (not shown in other figures, but shown as C8 in FIG. 1) that is electrically connected.
- the operating device 100 arrange
- FIG. 2 is an upper perspective view of the operation unit U1.
- FIG. 3A is a top view of the operation unit U1 viewed from the Z1 side shown in FIG. 2
- FIG. 3B is a front view of the operation unit U1 viewed from the Y2 side shown in FIG. 4 is a cross-sectional view taken along the line IV-IV shown in FIG.
- FIG. 5 is an upper perspective view in which the operation portion 51 of the operation member 1 shown in FIG. 2 is omitted.
- FIG. 6 is an exploded perspective view of the operation unit U1 shown in FIG.
- the operation unit U1 of the operation device 100 has an appearance as shown in FIGS. 2, 3, and 5, and as shown in FIG. 6, an operation member having an operation body 11 that moves in the operation direction by the operation of the operator. 1, a support body 3 that freely supports the operation of the operation body 11, and a movable load applying mechanism F ⁇ b> 5 that applies a load to the operation body 11.
- the rotation direction (rotation direction) about the movable shaft 11j (refer to FIG. 4 to be described later) of the operation body 11 of the operation unit U1 is the rotation center. It is a rotary device that can be operated.
- a side wall spacer S17 that constitutes a part of the side wall of the main body is movable.
- a slit spacer S57 (see FIG. 13) disposed in the load applying mechanism F5.
- the operation unit 51 of the operation member 1 shown in FIGS. 2 and 3 is engaged with one end of the operation body 11, and the operation unit 51 is gripped and operated by the operator.
- the operating body 11 rotates in both directions.
- the operation member 1 includes an operation unit 51 that is held by an operator, and an operation body 11 that is engaged with the operation unit 51 and operates in accordance with a rotation operation of the operation unit 51.
- the operation unit 51 of the operation member 1 is a member such as an operation knob or an operation knob that is gripped and operated by an operator.
- polybutylene terephthalate resin PBT, poly butylene terephtalate
- the synthetic resin is formed in a cylindrical shape and a box shape.
- the operation part 51 is engaged with the one end side of the operation body 11, as shown in FIG.
- the shape is arbitrarily determined depending on the product to be applied in consideration of a shape that is easy to operate.
- the operation body 11 of the operation member 1 uses a synthetic resin such as polybutylene terephthalate resin (PBT), and as shown in FIG. 6, the columnar column part 11 c passes through the center of the column part 11 c and the center of rotation is the center.
- the movable shaft 11j and the ring portion 11r which is provided on the other end side of the operating body 11 and has a size slightly larger than the column portion 11c, are integrally molded by injection molding.
- O-ring R7 is penetrated by the pillar part 11c, and is arrange
- the O-ring R7 attached here also has a function of closing an accommodation space in which a movable member 55 described later is accommodated. This prevents the magnetorheological fluid 75 filled in the accommodation space from leaking out of the accommodation space.
- the support body 3 includes a bearing portion 3 j on which the end of the movable shaft 11 j of the operation body 11 is abutted, and a shaft through which the column portion 11 c of the operation body 11 is inserted to guide the column portion 11 c. It is mainly composed of a support portion 3s and a lid portion 3u for pressing and stabilizing the shaft support portion 3s. And this support body 3 is supporting the operation body 11 (operation member 1) so that the operation body 11 can move (rotate) freely.
- the bearing portion 3j of the support body 3 has a concave shape on the side facing the movable shaft 11j of the operating body 11.
- the bearing portion 3j is configured such that the end of the movable shaft 11j comes into contact with the concave portion of the bearing portion 3j so that the operation body 11 can be easily operated. Is allowed.
- the shaft support portion 3s of the support body 3 has a ring shape with a through hole in the center portion (see FIG. 6), and as shown in FIG.
- the mechanism FM5 is accommodated in a recess 15u (see FIG. 8A described later) provided at the upper center of the upper yoke 15A) of the first yoke 15 of the mechanism FM5.
- the pillar part 11c of the operation body 11 is penetrated by the through-hole of the shaft support part 3s, and the shaft support part 3s supports the pillar part 11c (operation body 11) rotatably.
- the lid 3u of the support 3 is flat and has a circular shape with a through hole in the center (see FIG. 6). As shown in FIG. 5, the movable load applying mechanism F5 (upper yoke) 15A). And the pillar part 11c of the operation body 11 is penetrated by the through-hole of the cover part 3u similarly to the shaft support part 3s.
- the bearing portion 3j, the shaft support portion 3s, and the lid portion 3u are manufactured by injection molding using a synthetic resin such as polybutylene terephthalate resin (PBT) in the same manner as the operation body 11.
- PBT polybutylene terephthalate resin
- FIG. 7 is an enlarged cross-sectional view of a portion P shown in FIG.
- FIG. 8A is an upper perspective view of the movable load applying mechanism F5
- FIG. 8B is a front view seen from the Y2 side shown in FIG. 8A
- 9A is a lower perspective view in which the second yoke 25 shown in FIG. 8 is omitted
- FIG. 9B is a lower perspective view in which the movable member 55 shown in FIG. 9A is further omitted. .
- the movable load applying mechanism F5 opposes one side across the movable member 55 and the gap 5g as shown in FIG.
- a magnetic generation mechanism FM5 and a magnetorheological fluid 75 existing in the gap 5g are provided.
- the magnetism generation mechanism FM5 of the movable load applying mechanism F5 has a cylindrical shape as shown in FIG. 8A, and as shown in FIG.
- FIG. 1 it is indicated by FS).
- the movable load applying mechanism F5 receives a rotation operation by the operator and applies a load from the movable load applying mechanism F5 to the operating body 11, thereby operating the operation unit 51 (operation knob) of the operation member 1 to the operator. And an operation knob) are configured to apply a load (rotational load).
- the coil 35 of the magnetism generation mechanism FM5 is formed by winding a metal wire in an annular shape, and is disposed on one side (Z1 side shown in FIG. 4) of the movable member 55 as shown in FIG. .
- a magnetic field is generated around the coil 35.
- the coil 35 has a shape in which a metal wire is wound and bundled, but in FIG. 6, the surface is shown to be simplified and flat.
- the first yoke 15 of the magnetic generation mechanism FM5 is provided so as to surround the coil 35, and one side (Z1 side shown in FIG. 4) of the coil 35 and the inner side wall (annular) of the coil 35 are provided.
- An upper yoke 15A that covers the central side wall of the shape
- a lateral yoke 15B that covers a part of the outer side wall of the coil 35 and the other side of the coil 35 (Z2 side shown in FIG. 4), and the other side of the coil 35.
- a lower yoke 15C that covers a part of the lower yoke 15C.
- the first yoke 15 is disposed on one side of the movable member 55, and a part of the lateral yoke 15 ⁇ / b> B and the lower yoke 15 ⁇ / b> C are spaced from the movable member 55 by the gap 5 g (first gap 5 ga, (See FIG. 7).
- the magnetic flux generated from the coil 35 is confined by the first yoke 15, and the magnetic field efficiently acts on the movable member 55 side.
- the first yoke 15 has a slit 15s (yoke slit) formed by the lateral yoke 15B and the lower yoke 15C on the side facing the movable member 55.
- the side of the first yoke 15 that faces the movable member 55 is divided.
- the portion of the lateral yoke 15B facing the movable member 55 is defined as a first facing portion TB5 of the first yoke 15
- the portion of the lower yoke 15C facing the movable member 55 is defined as a second facing portion TC5. It is said.
- the width of the slit 15s is narrower than the gap 5g (first gap 5ga) between the first yoke 15 and the movable member 55.
- a magnetic field is generated by energizing the coil 35, and a magnetic path extends from the first facing portion TB 5 to the second facing portion TC 5 of the first yoke 15 to the movable member 55 side, for example.
- a ring-shaped slit spacer S57 (see FIG. 6) is accommodated in the slit 15s portion of the first yoke 15 as shown in FIG. 9B.
- the slit spacer S57 is formed using a synthetic resin such as polybutylene terephthalate resin (PBT), and the first opposing portion TB5 of the first yoke 15 (lateral yoke 15B) and the first yoke 15 (lower yoke 15C).
- PBT polybutylene terephthalate resin
- the second facing portion TC5 is also divided in the magnetic circuit.
- the first yoke 15 is composed of three parts, ie, the upper yoke 15A, the lateral yoke 15B, and the lower yoke 15C.
- the present invention is not limited to this. It may be composed of four or more parts.
- the slit 15s is preferably used in the first yoke 15, a structure without the slit 15s may be used.
- the second yoke 25 of the magnetic generation mechanism FM5 is formed in a disk shape as shown in FIG. 6, and the other side of the movable member 55 as shown in FIG. 4, FIG. 7 and FIG. 8 (b). And is opposed to the movable member 55 across the gap 5g (second gap 5gb, see FIG. 7).
- the magnetic flux generated from the coil 35 surely penetrates from the first opposing portion TB5 of the first yoke 15 to the second yoke 25 and from the second yoke 25 to the second opposing portion TC5 of the first yoke 15. .
- it is sure to be in a direction perpendicular to the direction in which the movable member 55 operates (direction crossing the XY plane shown in FIG. 8A) (Z direction perpendicular to the XY plane shown in FIG. 8B).
- a magnetic path is formed.
- a side wall spacer S17 constituting a part of the side wall of the main body is provided between the outer peripheral side of the first yoke 15 (lateral yoke 15B) and the outer peripheral side of the second yoke 25.
- the side wall spacer S17 is also formed using a synthetic resin such as polybutylene terephthalate resin (PBT), and divides the first yoke 15 (lateral yoke 15B) and the second yoke 25 in a magnetic circuit.
- PBT polybutylene terephthalate resin
- the first yoke 15, the second yoke 25, and the side wall spacer S17 are orthogonal to the direction (Z direction shown in FIG. 4) along the movable shaft 11j of the operating body 11 (X direction).
- a narrow accommodation space is formed in the ⁇ Y plane direction).
- the movable member 55 of the movable load applying mechanism F5 is disposed in this narrow accommodation space.
- the operation control unit (FS) of the magnetic generation mechanism FM5 uses an integrated circuit (IC, integrated circuit), and controls the energization amount to the coil 35, the energization timing, and the like. Specifically, for example, when a rotation operation is performed by an operation of the operator, the operation control unit (FS) receives the detection signal from the position detection unit M2 that detects the position of the operation body 11, and the operation control unit (FS) A certain amount of current is caused to flow, or the amount of current is changed according to the position of the operating body 11.
- IC integrated circuit
- the operation control unit (FS) is mounted on a circuit board (not shown) and is electrically connected to the coil 35.
- the operation control unit (FS) and the circuit board are preferably disposed in the vicinity of the magnetic generation mechanism FM5, but are not limited thereto.
- the operation control unit (FS) may be connected to the coil 35 by a flexible printed circuit board (FPC) or the like and mounted on a mother board (mother board) of a product to be applied.
- FPC flexible printed circuit board
- the movable member 55 of the movable load applying mechanism F5 will be described.
- the movable member 55 includes a base portion 55d having a through hole centered on the rotation center of the movable shaft 11j, and a disk-shaped disk portion 55e formed integrally with the base portion 55d and centered on the rotation center. And is composed of.
- the movable member 55 is made of a soft magnetic material such as iron. Accordingly, a magnetic path is reliably formed from the first yoke 15 to the movable member 55 and from the movable member 55 to the first yoke 15. That is, the magnetic path is reliably formed in the direction perpendicular to the direction in which the movable member 55 operates.
- the base 55d of the movable member 55 is engaged with the movable shaft 11j of the operating body 11 on the lower side of the ring portion 11r of the operating body 11 as shown in FIG. Accordingly, the disk portion 55e of the movable member 55 rotates and moves in both directions as the operating body 11 rotates in both directions.
- the disc portion 55e of the movable member 55 is accommodated in the narrow accommodation space described above, as shown in FIG. Thereby, the magnetic flux generated from the coil 35 is moved from the first facing portion TB5 of the first yoke 15 to the movable member 55, from the movable member 55 to the second yoke 25, from the second yoke 25 to the movable member 55, and to the movable member 55. To the second opposing portion TC5 of the first yoke 15 with certainty. For this reason, the magnetic path is reliably formed in the direction perpendicular to the direction in which the movable member 55 operates.
- the disk portion 55e is formed with an arc-shaped movable portion slit 55s obtained by dividing a virtual ring shape centered on the rotation center of the movable shaft 11j into four.
- the movable part slit 55 s is provided at a position facing the slit 15 s provided in the first yoke 15.
- the magnetic flux generated from the coil 35 is not confined by the movable member 55, and is transferred to the second yoke 25 via the first yoke 15 and the movable member 55 and from the second yoke 25 via the movable member 55.
- it can be surely penetrated to one yoke 15.
- the first yoke 15 is not guided from the first yoke 15 to the second yoke 25, and only the upper magnetorheological fluid 75 and the movable member 55 are short-circuited to the first yoke 15 (from the side yoke 15B to the second yoke 25).
- the magnetic flux guided to the lower yoke 15C without being interposed can be reduced.
- the width of the movable portion slit 55s is smaller than the width of the slit 15s of the first yoke 15, the spread of the magnetic flux from the first yoke 15 can be captured by the movable member 55, The second yoke 25 can be guided. It is more preferable that the center position of the width of the movable portion slit 55s and the center position of the width of the slit 15s are matched.
- FIG. 10 is a schematic diagram for explaining the magnetorheological fluid 75.
- FIG. 10A is a diagram of the magnetorheological fluid 75 in a state in which no magnetic field is applied, and FIG. It is a figure of the magnetorheological fluid 75 in the state of being applied.
- FIG. 10B the flow of a magnetic field (magnetic flux) is indicated by a two-dot chain line for easy understanding.
- the magnetorheological fluid 75 is a substance in which fine magnetic particles JR having magnetism such as iron or ferrite are dispersed in a solute SV such as an organic solvent. It is called MR fluid (Magneto Rheological Fluid).
- the magnetorheological fluid 75 has a characteristic that the viscosity changes according to the strength of the magnetic field, and is distinguished from a similar magnetorheological fluid (Magnetic Fluid).
- the major difference between the two forms is the particle size of the powder, the MR fluid is about 1 ⁇ m to 1 mm, the magnetic fluid is about 10 nm to 1 ⁇ m, and the MR fluid has a particle size compared to the magnetic fluid. It is about 100 to 1000 times larger.
- FIG. 11 shows the result of verifying that “the resistance force (rotational load) increases according to the strength of the magnetic field”.
- FIG. 11 is a graph showing an example of the relationship between the current flowing through the coil 35 of the magnetic generation mechanism FM5 and the torque applied to the operating body 11.
- the horizontal axis is current (A), and the vertical axis is torque (Nm). This torque corresponds to a resistance force (rotational load) applied to the operating body 11.
- the magnetorheological fluid 75 having the above-described characteristics is suitably used. As shown in FIG. 4, the magnetorheological fluid 75 is disposed in the gap 5g (see the first gap 5ga, FIG. 7) between the first yoke 15 and the movable member 55, and particularly as shown in FIG. Further, the gap 5g (first gap 5ga) between the first opposing portion TB5 and the second opposing portion TC5 of the first yoke 15 and the movable member 55 is filled.
- the area of the second facing surface 15t is the same.
- the magnetic viscous fluid 75 is also filled in the gap 5g (second gap 5gb) between the movable member 55 and the second yoke 25.
- the magnetorheological fluid 75 filled here also enters the first yoke 15 (first opposing portion TB5) from the first yoke 15 via the movable member 55 to the second yoke 25, and from the second yoke 25 via the movable member 55 to the first yoke.
- the magnetic flux formed over 15 (second facing portion TC5) acts.
- the magnetic particles JR can be aligned in a direction perpendicular to the direction in which the movable member 55 operates, and a stronger rotational load can be applied.
- a further rotational load can be applied, and an even greater operational feel can be given to the operator even with an equivalent magnetic field.
- the operation unit U1 according to the first embodiment of the present invention configured as described above is a conventional method for applying an external force (force sense) such as a resistance force or a thrust according to the operation amount or operation direction of the operation member 1. Since the motor 810 is not used as in Example 1, the size can be reduced and the power consumption can be reduced. Moreover, no sound is generated when an external force (force sense) is applied.
- an external force force sense
- FIG. 12 is a diagram for explaining the position detection means M2, and is an upper perspective view in which the operation portion 51 of the operation member 1 shown in FIG. 2 is omitted.
- FIG. 13 is an exploded perspective view of the position detecting means M2.
- the position detection means M2 of the operating device 100 is arranged on the other side of the permanent magnet 12, the movable magnet 32 disposed on one side of the permanent magnet 12, and the permanent magnet 12 that generates magnetism.
- the fixed yoke 42 is provided, and two magnetic sensors 62 are provided between the movable yoke 32 and the fixed yoke 42 (see FIG. 12) to detect magnetism.
- the position detection means M2 is arrange
- the position detection unit M2 identifies the position of the operation body 11 by detecting the rotation operation of the operation body 11, for example, detecting the rotation angle of the operation body 11.
- the permanent magnet 12 of the position detection means M2 uses a general samarium cobalt magnet or the like, and is formed in a circular ring shape having a through hole 12h in the center as shown in FIG. As shown in FIG. 4, the operating body 11 is rotatably inserted into the through hole 12h.
- the movable yoke 32 of the position detecting means M2 uses a soft magnetic material such as iron, and as shown in FIG. 13, a disk-shaped disk part 32b and a circular shape provided at the center of the disk part 32b. And a pedestal portion 32d having a shape.
- a through hole 32h is formed in the center of the movable yoke 32 so as to penetrate the board portion 32b and the pedestal portion 32d, and the operation body 11 is inserted into the through hole 32h as shown in FIG. It is mated. Moreover, as shown in FIG. 4, the base part 32d and the operation part 51 are fitted. The movable yoke 32 is rotated and the operating body 11 is rotated as the operation unit 51 is operated (rotated) by the operation of the operator.
- the side of the board portion 32b facing the permanent magnet 12 is formed in a concavo-convex shape so that the distance to the permanent magnet 12 changes as shown in FIGS.
- the magnetic field between the permanent magnet 12 and the movable yoke 32 changes. That is, the magnetic field is strengthened at the convex portion, and the magnetic field is weakened at the concave portion.
- the fixed yoke 42 of the position detecting means M2 uses a soft magnetic material such as iron, and as shown in FIG. 13, has a disk-like appearance, a through hole 42h formed in the center, and a permanent magnet.
- the indentation part 42r in which the magnet 12 is placed and accommodated and the notch part 42k in which the magnetic sensor 62 is placed and accommodated are configured.
- the magnetic flux generated from the permanent magnet 12 forms a magnetic path from the movable yoke 32 to the fixed yoke 42.
- the magnetic sensor 62 of the position detecting means M2 includes a magnetic detection element (not shown, but indicated by 62K in FIG. 1) for detecting a change in the magnetic field, and an angle based on a signal from the magnetic detection element.
- Sensor control unit (not shown in other figures, but indicated by SS in FIG. 1), and has four extraction terminals as shown in FIGS.
- the magnetic detection element and the sensor control unit (SS) are packaged with a synthetic resin.
- the two magnetic sensors 62 are disposed between the movable yoke 32 and the fixed yoke 42, and detect changes in the magnetic field between the movable yoke 32 and the fixed yoke 42. .
- the magnetic detection element uses a Hall element that detects magnetism using the Hall effect.
- the sensor control unit (SS) uses an integrated circuit (IC).
- corrugated shape of the board part 32b is provided are comprised corresponding appropriately so that the magnetic field which the two magnetic sensors 62 each detect differs.
- FIG. 14 is a schematic diagram illustrating the display unit U4 and is a part of a top view of the display unit U4.
- the display unit U4 of the operation device 100 uses a display device such as a liquid crystal display (LCD) that is generally widely used. As shown in FIG. 14, the operation unit 11 (operation unit 51) is operated. A display unit 14 (liquid crystal panel) that displays the position PP, and a display control unit (in other drawings, the operation unit 11 (operation unit 51) and a desired position (operation position PP) are displayed on the display unit 14. Although not shown, it is indicated by PS in FIG. 1). The display control unit (PS) is incorporated in a liquid crystal panel driving module.
- LCD liquid crystal display
- the display control unit displays the image of the operation unit 51 in which the point position QP is clearly shown, and the operation position PP (The image of the viewing position desired by the operator is displayed on the display unit 14 of the liquid crystal panel.
- the operation position PP can be variably displayed in conjunction with the state of the operation body 11 of the operation unit U1.
- the sound generation means (H6) includes a sound generating member (16) that generates a general electronic sound using a piezoelectric element, and a sound control unit that controls the sound generating member (16) (not shown in other drawings). However, it is indicated by HS in the block diagram of FIG.
- the sound control unit (HS) of the sound generation means (H6) drives the sound generation member (16) in conjunction with the state of the operation body 11 of the operation unit U1. That is, an arbitrary electronic sound can be generated according to the actual operated position of the operating tool 11 and the load on the operating tool 11.
- the control unit (C8) is configured using an integrated circuit (IC), and as shown in FIG. 1, the operation control unit (FS) of the operation unit U1 and the sensor control unit (SS) of the position detection means M2. And the display control unit (PS) of the display unit U4 and the sound control unit (HS) of the sound generation means (H6) are electrically connected to each other. And a control part (C8) is based on the information from the operation unit U1 and the position detection means M2, and is an operation control part (FS), a sensor control part (SS), a display control part (PS), and an audio
- the movable load applying mechanism F5 is disposed on one side of the movable member 55, and the movable member 55 operates by engaging the operating body 11 (movable shaft 11j).
- the configuration includes the coil 35 and the first yoke 15 of the magnetism generation mechanism FM5, and the magnetorheological fluid 75 existing in at least a part of the gap 5g (first gap 5ga) between the movable member 55.
- a magnetic field is generated by energizing the coil 35, a magnetic path is formed from the first yoke 15, and the magnetic particles JR in the magnetorheological fluid 75 are aligned along the magnetic flux.
- a load is applied to the movable member 55 that operates in a direction crossing the magnetic flux formed between the first yoke 15 and the movable member 55 and between the movable member 55 and the first yoke 15, by the magnetic viscous fluid 75, A load is applied to the operating body 11 through the movable member 55 and the movable shaft 11j.
- a control unit (C8) that controls the operation control unit (FS) of the operation unit U1 that controls energization of the coil 35 and the display control unit (PS) of the display unit U4 that controls display on the display unit 14 is provided.
- the sound control unit (HS) is controlled by the control unit (C8).
- An arbitrary electronic sound can be generated according to the actual operated position of the operating tool 11 and the load on the operating tool 11. Thereby, a better operational feeling (operation feeling) can be given to the operator.
- the movable member 55 is made of a soft magnetic material, a magnetic path is surely provided from the first yoke 15 (first opposed portion TB5) to the movable member 55 and from the movable member 55 to the first yoke 15 (second opposed portion TC5).
- the magnetic particles JR in the magnetorheological fluid 75 are aligned with the first yoke 15 and the movable member 55 facing each other (the Z direction shown in FIG. 4).
- a stronger load rotational load
- a stronger load is applied to the movable member 55 operating in a direction crossing the opposing surface direction in which the magnetic particles JR are aligned.
- a stronger load is applied to the operating body 11 via the movable member 55 and the movable shaft 11j, and a better operational feeling can be given to the operator.
- the magnetic generation mechanism FM5 since the magnetic generation mechanism FM5 includes the second yoke 25 disposed to face the other side of the movable member 55, the second yoke 25 is connected to the second yoke 25 from the first yoke 15 (first opposing portion TB5). A magnetic path is reliably formed from 25 to the first yoke 15 (second opposing portion TC5). For this reason, the magnetic particles JR can be aligned in a direction perpendicular to the direction in which the movable member 55 operates, and a stronger load (rotational load) can be applied.
- the magnetic viscous fluid 75 is filled in the gap 5g (second gap 5gb) between the movable member 55 and the second yoke 25, a further load is applied to the movable member 55 operating in the direction crossing the magnetic flux. Can be granted. As a result, a stronger load (rotational load) can be applied to the operating body 11 via the movable member 55 and the movable shaft 11j, and a greater operational feeling can be given to the operator even with an equivalent magnetic field. Can be given.
- FIG. 15 is a schematic diagram illustrating a control method in the operating device 100, and is a graph illustrating an example of a load curve of a load applied to the operating tool 11.
- the horizontal axis indicates the position of the operation body 11 (operation unit 51), and the vertical axis indicates the load applied to the operation body 11.
- the operating device 100 controls the current value to the coil 35 by the operation control unit (FS) of the movable load applying mechanism F5 (magnetism generating mechanism FM5), for example, as shown in FIG.
- a load such as a load curve is applied to the operating body 11 (operation unit 51).
- the control unit (C8) of the operation device 100 is based on the position information (position information signal) of the operation body 11 from the position detection unit M2. Then, a command signal is sent to the operation control unit (FS) of the magnetic generation mechanism FM5.
- the operation control unit (FS) that has received the command signal causes a certain amount of current to flow through the coil 35 in a timely manner, and also changes the amount of current (current value) to flow.
- a load curve having a plurality of peak values Pv and bottom values Bv is formed as shown in FIG. 15 depending on the magnitude of the current value to the coil 35.
- control unit (C8) is rotated by an operator's operation, and the peak value Pv (first peak value) to the bottom value Bv (first bottom value), and the first bottom value to the next peak value.
- Pv second peak value
- a command signal is transmitted to the display control unit (PS) of the display unit U4.
- the display control unit (PS) rotates the operation unit 51 and moves the point position QP (see FIG. 14) of the operation unit 51 to coincide with the operation position PP (movement state). ) Is displayed on the display unit 14 of the display unit U4.
- the control unit (C8) when the control unit (C8) has the operating body 11 in a predetermined range (for example, a range between the broken lines shown in FIG. 15) sandwiching the bottom value Bv of the load curve,
- the operation position PP is displayed at a desired position on the display unit 14. Therefore, even if the actual position where the operator 11 is operated and the operation position PP desired by the operator are misaligned in a range where the load received by the operator from the operator 11 is small, the operation desired by the operator A display in which the position PP matches the display position of the display unit 14 can be visually recognized.
- a favorable operation feeling (operation feeling) can be given with respect to an operator.
- control unit (C8) is rotated by an operator's operation, and the peak value Pv (first peak value) to the bottom value Bv (first bottom value), and the first bottom value to the next peak value.
- Pv second peak value
- a command signal is transmitted to the voice control unit (HS) of the voice generation means (H6).
- the voice control unit (HS) that has received the command signal generates an electronic sound by the sound generating member (16). For this reason, when the operator operates the operation body 11, the operation position PP desired by the operator is displayed on the display unit 14, and at the same time, an arbitrary electronic sound can be generated. As a result, it is possible to feel the operational feeling (operation feel) operated by the operator.
- the control unit (C8) generates an electronic sound when the operation body 11 is in a predetermined range with the bottom value Bv interposed therebetween. Any electronic sound can be heard in a range where the load received is small. For this reason, since the electronic sound is heard in a state close to the end of the operation, the operation feeling (operation feeling) operated by the operator can be further realized.
- the control unit (C8) has the first bottom value and the first bottom value from the first peak value of the load curve formed by the operation control unit (FS).
- the display control unit (PS) is controlled to display the movement state of the operation position PP (display position) on the display unit 14. Therefore, when the operator operates the operation body 11, even if the position where the operation body 11 of the operation unit U1 is operated and the operation position PP desired by the operator are misaligned, the operator desires It is possible to match the operation position PP to be displayed with the display position displayed on the display unit 14 of the display unit U4. Thereby, it is possible to give a good operational feeling (operation feeling) to the operator.
- the operating position PP is displayed at a desired position on the display unit 14, so that the load received by the operator from the operating tool 11 is small.
- a display in which the operation position PP desired by the operator matches the display position of the display unit 14 is visually recognized. be able to. Thereby, it is possible to give a better operational feeling (operation feeling) to the operator.
- the voice control unit (HS ) Is controlled to generate an electronic sound by the sound generating member (16). For this reason, when the operator operates the operation body 11, the display position is displayed at the operation position PP desired by the operator, and at the same time, an arbitrary electronic sound can be generated. As a result, it is possible to feel the operational feeling (operation feel) operated by the operator.
- control unit (C8) since the control unit (C8) generates an electronic sound when the operation body 11 is in a predetermined range with the bottom value Bv interposed therebetween, any electronic sound can be generated in a range where the load received by the operator from the operation body 11 is small. Can hear. As a result, the operational feeling (operation feel) operated by the operator can be further felt.
- the operation unit U1 and the display unit U4 are arranged at positions separated from each other.
- the present invention is not limited to this.
- the display unit U4 is arranged in the vicinity of the operation unit U1.
- the operator may be able to visually recognize both.
- the magnetorheological fluid 75 is filled so as to fill the accommodation space in which the movable member 55 is accommodated (the accommodation space formed by the first yoke 15, the second yoke 25, and the side wall spacer S17).
- the present invention is not limited to this, and it is sufficient that the magnetorheological fluid 75 exists in at least a part of the gap 5g.
- the sound generating means (H6) is preferably configured to use the sound generating member (16) that generates an electronic sound, but is not limited thereto. Then, a mechanical mechanism that generates sound may be used.
- the position detection unit M2 is configured by the permanent magnet 12, the movable yoke 32, and the two magnetic sensors 62, but is not limited thereto.
- a so-called rotary variable resistor configured by a substrate on which a resistor pattern is formed and a slider that is in sliding contact with the resistor pattern may be used.
- the movable member 55 was suitably formed from the soft magnetic body, it is not restricted to this, A nonmagnetic body, such as a synthetic resin, may be sufficient.
- the first opposing portion TB5 and the second opposing portion TC5 are configured by the lateral yoke 15B and the lower yoke 15C of the first yoke 15, but only the lower yoke 15C faces the movable member 55.
- a configuration in which the first facing portion TB5 and the second facing portion TC5 are not provided may be employed.
- the movable member 55 has a disk shape, but is not limited thereto, and may be, for example, a rectangular shape or a polygonal shape.
- the movable member 55 made of a soft magnetic material is provided with the movable portion slit 55s.
- the movable member slit 55s may not be provided. In that case, it is preferable that the movable member 55 is made of a non-magnetic material.
- the rotary operation device is of a type in which the movable member 55 rotates.
- the present invention is not limited to this rotation operation.
- it may be a slide type operating device in which the movable member slides in a direction crossing the extending direction of the support ⁇ Modification 9 ⁇ .
- it may be a pressing type operating device that performs a push operation in the extending direction of the support ⁇ Modification 10 ⁇ .
- the movable member and the first yoke (and the second yoke) are opposed to each other in a direction (preferably an orthogonal direction) intersecting the push operation direction, and the movable member and the first yoke A load can be appropriately applied if the magnetic viscous fluid is filled in the gap with (and the second yoke).
- the present invention is not limited to the above embodiment, and can be appropriately changed without departing from the gist of the present invention.
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Abstract
Description
上記第1実施形態では、操作ユニットU1と表示ユニットU4とを離れた位置に配設して構成にしたが、これに限るものではなく、例えば操作ユニットU1の近傍に表示ユニットU4を配設して、操作者が両方を視認できるようにしても良い。
上記第1実施形態では、可動部材55が収容される収容空間(第1ヨーク15と第2ヨーク25と側壁スペーサS17とで形成した収容空間)を満たすように磁気粘性流体75が充填されていたが、これに限るものではなく、磁気粘性流体75が隙間5gの少なくとも一部に存在していれば良い。
上記第1実施形態では、音声発生手段(H6)として、好適に電子音を発生する音発生部材(16)を用いた構成としたがこれに限るものではなく、例えば、被打物を打振して音を発生するような機械的な機構を用いても良い。
上記第1実施形態では、位置検出手段M2として、永久磁石12と可動ヨーク32と2つの磁気センサ62とで構成したが、これに限りものではない。例えば、抵抗体パターンが形成された基板と抵抗体パターンを摺接する摺動子とから構成された、所謂、回転型可変抵抗器を用いても良い。
上記第1実施形態では、可動部材55が好適に軟磁性体から形成されていたが、これに限るものではなく、合成樹脂等の非磁性体であっても良い。
上記第1実施形態では、第1ヨーク15の横ヨーク15Bと下ヨーク15Cとで、第1対向部TB5及び第2対向部TC5を構成したが、下ヨーク15Cのみが可動部材55と対向するようにして、第1対向部TB5及び第2対向部TC5を設けない構成でも良い。
上記第1実施形態では、可動部材55が円盤形状を有して構成されていたが、これに限るものではなく、例えば矩形状や多角形形状であっても良い。
上記第1実施形態では、軟磁性体からなる可動部材55に可動部スリット55sを設けた構成であったが、可動部スリット55sを設けない構成でも良い。その際には、可動部材55を非磁性体とするのが好適である。
上記第1実施形態では、可動部材55が回転動作するタイプの回転型の操作装置であったが、この回転動作に限るものではない。例えば、可動部材が支持体の延在方向に対して交差する方向にスライド動作するスライド型の操作装置であっても良い{変形例9}。また、例えば、支持体の延在方向にプッシュ動作する押圧型の操作装置であっても良い{変形例10}。この押圧型の操作装置の場合、可動部材と第1ヨーク(及び第2ヨーク)とがプッシュ動作方向に対して交差する方向(好ましくは直交方向)で対向するようにし、可動部材と第1ヨーク(及び第2ヨーク)との隙間に磁気粘性流体を充填するように構成すると適切に負荷を与えることができる。
1 操作部材
11 操作体
11j 可動軸
FS 操作制御部
M2 位置検出手段
3 支持体
U4 表示ユニット
14 表示部
PS 表示制御部
F5 可動負荷付与機構
FM5 磁気発生機構
15 第1ヨーク
25 第2ヨーク
35 コイル
55 可動部材
5g 隙間
75 磁気粘性流体
H6 音声発生手段
16 音発生部材
HS 音声制御部
C8 制御部
Bv ボトム値
Pv ピーク値
PP 操作位置
100 操作装置
Claims (8)
- 操作者の操作により動作する操作体を有した操作ユニットと、
前記操作体の位置する操作の位置を検出する位置検出手段と、
前記操作体の操作位置を表示する表示ユニットと、を備えた操作装置であって、
前記操作ユニットは、前記操作者が操作し前記操作体を有した操作部材と、
前記操作体の動作を自在に支持する支持体と、
前記操作体に対して負荷を付与する可動負荷付与機構と、を備え、
前記操作体には前記動作を可能にする可動軸を有し、
前記可動負荷付与機構は、該可動軸と係合して動作する可動部材と、
該可動部材と隙間を挟んで対向する磁気発生機構と、
該隙間の少なくとも一部に存在し磁界の強さに応じて粘性が変化する磁気粘性流体と、
前記磁気発生機構を制御する操作制御部と、を有し、
前記磁気発生機構は、該操作制御部による通電で磁界を発生させるコイルと、
該コイルを囲むように設けられ前記可動部材の一方側に配設された第1ヨークと、を有し、
前記表示ユニットは、前記操作位置を表示する表示部と、
該表示部への表示を制御する表示制御部と、を備え、
前記操作制御部と前記表示制御部とを制御する制御部を有していることを特徴とする操作装置。 - 電子音を発生する音発生部材と、該音発生部材を制御する音声制御部と、を備え、
該音声制御部が前記制御部に制御されることを特徴とする請求項1に記載の操作装置。 - 前記可動部材が軟磁性体からなることを特徴とする請求項1または請求項2に記載の操作装置。
- 前記磁気発生機構は、前記可動部材の他方側に前記可動部材と対向して配設された第2ヨークを有し、
前記可動部材と前記第2ヨークとの前記隙間に前記磁気粘性流体が充填されていることを特徴とする請求項1ないし請求項3のいずれかに記載の操作装置。 - 操作者の操作により動作する操作体を有した操作ユニットと、
前記操作体の位置する操作の位置を検出する位置検出手段と、
前記操作体の操作位置を表示する表示ユニットと、
前記操作ユニット及び前記表示ユニットを制御する制御部と、を備えた操作装置の制御方法であって、
前記操作ユニットは、前記操作者が操作し前記操作体を有した操作部材と、
前記操作体の可動を自在に支持する支持体と、
前記操作体に対して負荷を付与する可動負荷付与機構と、を備え、
前記操作体には動作を可能にする可動軸を有し、
前記可動負荷付与機構は、該可動軸と係合して動作する可動部材と、
該可動部材と隙間を挟んで対向する磁気発生機構と、
該隙間の少なくとも一部に存在し磁界の強さに応じて粘性が変化する磁気粘性流体と、を有し、
前記磁気発生機構は、通電により磁界を発生させるコイルと、
該コイルを囲むように設けられ前記可動部材の一方側に配設された第1ヨークと、
前記コイルへの通電を制御する操作制御部と、を有し、
前記表示ユニットは、前記操作位置を表示する表示部と、
該表示部への表示を制御する表示制御部と、を備え、
前記操作制御部による前記コイルへの電流値の強弱により、前記負荷のピーク値とボトム値を複数有する負荷カーブを形成し、
前記制御部は、前記ピーク値及び前記ボトム値の内、第1ピーク値から第1ボトム値、該第1ボトム値から次の第2ピーク値に移行する際に、前記表示制御部を制御して、前記操作位置の移動状態を前記表示部に表示させることを特徴とする操作装置の制御方法。 - 前記制御部は、前記負荷カーブの前記ボトム値を挟んだ所定の範囲に前記操作体があるとき、前記操作位置を前記表示部の所望の位置に表示させることを特徴とする請求項5に記載の操作装置の制御方法。
- 電子音を発生する音発生部材と、該音発生部材を制御する音声制御部と、を備え、
前記制御部は、前記ピーク値から前記ボトム値、該ボトム値から次の前記ピーク値に移行する際に、前記音声制御部を制御して、前記電子音を発生させることを特徴とする請求項5または請求項6に記載の操作装置の制御方法。 - 前記制御部は、前記ボトム値を挟んだ所定の範囲に前記操作体があるときに、前記電子音を発生させることを特徴とする請求項7に記載の操作装置の制御方法。
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