JP2011250637A - Two-dimensional actuator and input device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve thrust power of a two-dimensional actuator acquiring thrust force in a two-dimensional direction using coils and magnets.SOLUTION: The actuator 20 comprises a plurality of thrust force generation parts 10 each of which is provided with a combination of magnets 11 and 12 and a coil 13 disposed such that the coil 13 is stacked on a magnet pair 14 of the magnets 11 and 12 having polarities different from each other and being arranged side by side, and a region 15 delimited by a winding wire of the coil 13 intersects a facing surface 16 between the magnets 11 and 12. The thrust force generation parts 10a and 10b are disposed such that facing surfaces 16a and 16b of the magnets 11 and 12 are arranged orthogonal to each other.

Description

  The present invention relates to a two-dimensional actuator that obtains thrust in a two-dimensional direction using a coil and a magnet.

  In recent years, an apparatus including an actuator has been proposed as a user interface having a feedback function to a user (see, for example, Patent Document 1). The device disclosed in Patent Document 1 is configured so that a coil is disposed so as to face a magnet arranged in a planar shape, and the coil is relatively moved by controlling a current supplied to the coil. Therefore, it is possible to stimulate the user's sense of touch by controlling this actuator.

  For example, when the above actuator is incorporated in a mouse that is widely used in personal computers, the user can simulate the sense of shooting a gun or shooting a bow in a computer game, etc. Various information can be transmitted from the computer to the user via the mouse. In other words, a conventional mouse can be used as one of man-machine interfaces.

  However, a device that feeds back information to the user through such a tactile sensation requires mounting space and electric power. Therefore, when it is incorporated into a small device such as a mouse, it is required to reduce the size and power of the device. The input device of Patent Document 2 is small in size and easy to assemble, and can be smoothly used by being incorporated in a conventional device, and is provided with a switch mechanism for switching operation on / off. Thus, the input device of Patent Document 2 can be incorporated into a small device such as a mouse and used as a user interface having a feedback function to the user.

JP 2000-330688 A JP 2004-206596 A

  The above input devices are still required to be improved because various demands appear in terms of operability and usability as the number of scenes to be used increases. Considering the use in various situations, it is considered that the application of the actuator is expanded by improving the thrust of the actuator. Moreover, it is necessary to prevent the actuator thrust from being reduced by downsizing the input device. Therefore, an object of the present invention is to improve the thrust of the two-dimensional actuator.

  In the two-dimensional actuator of the present invention that solves such a problem, a coil is overlapped on a magnet pair in which magnets of different polarities are arranged side by side, and an area in which the winding of the coil is partitioned intersects with a facing surface of the magnets. As described above, a plurality of thrust generating portions arranged by combining the magnet and the coil are provided, and the opposing surfaces of the magnets are arranged so as to be orthogonal to each other. With such a configuration, a plurality of thrust generation units are provided, and the thrust of the actuator can be improved. In addition, according to such a configuration, the thrust direction provided by one thrust generation unit and the thrust direction provided by the thrust generation unit in which the thrust generation unit and the opposing surface are orthogonal to each other are orthogonal to each other. Any movement in the two-dimensional direction can be controlled.

  The two-dimensional actuator may include a metal plate, and the two thrust generation units having the magnet pair side facing the metal plate may sandwich the metal plate. The two-dimensional actuator may include a metal plate, and the two thrust generation units with the coil side facing the metal plate may sandwich the metal plate. By adopting such a configuration, the thrust generator is configured to overlap in a direction orthogonal to the two-dimensional surface that obtains the thrust, so that the thrust can be improved without increasing the space of the two-dimensional surface. Can do. Further, since the metal plate functions as a yoke, the magnetic force can be used efficiently.

  In the above two-dimensional actuator, the plurality of thrust generation units may share a single polarity magnet. With such a configuration, the number of magnet parts can be reduced, and the actuator can be miniaturized by effectively using space.

  In the above two-dimensional actuator, the coils of the plurality of thrust generation units may be arranged on the same surface of the magnets arranged side by side. With such a configuration, the space can be effectively used and the actuator can be downsized.

  In this two-dimensional actuator, another coil is provided on the surface on which the coil is not disposed, and the other coil has an area where windings of the other coil are partitioned and a facing surface between the magnets. It can be set as the structure arrange | positioned so that it may cross | intersect. By setting it as such a structure, a thrust can be improved, without expanding the space of a two-dimensional surface by increasing a coil in the direction orthogonal to the two-dimensional surface which obtains a thrust.

  In the above two-dimensional actuator, the coil includes a plurality of thrust generating unit units arranged on the same surface of the magnet, and a metal plate, and the two units are arranged with the magnet side of the unit facing the metal plate. The metal plate may be sandwiched. With such a configuration, the thrust generation unit is configured to overlap in a direction orthogonal to the two-dimensional surface from which the thrust is obtained, and thus the thrust can be improved without increasing the space of the two-dimensional surface. it can. Further, since the metal plate functions as a yoke, the magnetic force can be used efficiently.

  In the two-dimensional actuator, the magnet may be a multipolar magnet. Thereby, the freedom degree which selects a magnet can be expanded.

  In the two-dimensional actuator, the magnet pair may be fixed and the coil may be relatively moved. In the two-dimensional actuator, the coil can be fixed and the magnet pair can be relatively moved. That is, it is possible to configure an actuator that is smaller and has improved thrust regardless of which of the coil and the magnet pair is fixed and which is moved.

  An input device according to the present invention includes the two-dimensional actuator configured as described above. As a result, an input device including a two-dimensional actuator with improved thrust can be provided.

  Since the two-dimensional actuator of the present invention includes a plurality of thrust generation units, the thrust of the actuator can be improved.

FIG. 3 is an explanatory diagram illustrating a configuration of a thrust generation unit according to the first embodiment. FIG. 3 is an explanatory diagram illustrating a configuration of an actuator according to the first embodiment. It is the figure which showed the relationship between the coil position in the X direction of Fig.2 (a), and thrust. It is the figure which showed the BH curve of the magnet used for the data acquisition of FIG. FIG. 6 is an explanatory diagram illustrating a configuration of an actuator according to a second embodiment. It is the figure which showed the relationship between the coil position in the X direction of Fig.5 (a), and thrust. It is explanatory drawing which showed the input device incorporating the actuator of Example 2. FIG. FIG. 10 is an explanatory diagram showing a configuration of an actuator of Example 3. It is the figure which showed the relationship between the coil position in the X direction of Fig.8 (a), and thrust. It is explanatory drawing which showed the input device incorporating the actuator of Example 3. FIG. FIG. 6 is an explanatory diagram showing a configuration of an actuator of Example 4. It is the figure which showed the relationship between the coil position in the X direction of Fig.11 (a), and thrust. FIG. 10 is an explanatory diagram showing a configuration of an actuator of Example 5. It is the figure which showed the relationship between the coil position in the X direction of Fig.13 (a), and thrust. FIG. 10 is an explanatory diagram showing a configuration of an actuator of Example 6. It is the figure which showed the relationship between the coil position in the X direction of Fig.15 (a), and thrust. FIG. 10 is an explanatory diagram showing a configuration of an actuator of Example 7. It is the figure which showed the relationship between the coil position in the X direction of Fig.17 (a), and thrust. It is explanatory drawing which showed the structure of the actuator of another Example. It is explanatory drawing which showed the structure of the actuator of another Example. It is the figure which showed the relationship between the coil position and thrust in the X direction of Fig.19 (a). It is the figure which showed the relationship between the coil position in the X direction of Fig.20 (a), and thrust.

  DESCRIPTION OF EMBODIMENTS Hereinafter, embodiments for carrying out the present invention will be described in detail with reference to the drawings.

Embodiment 1 of the present invention will be described with reference to the drawings. First, the principle of the present invention will be described.
FIG. 1 is an explanatory diagram showing a configuration of a thrust generating unit 10 of the present invention. FIG. 1A is a perspective view of the thrust generator 10. FIG. 1B is a plan view of the thrust generation unit 10, FIG. 1C is a front view of the thrust generation unit 10, and FIG. 1D is a side view of the thrust generation unit 10. The thrust generation unit 10 includes a magnet 11, a magnet 12, and a coil 13. The magnet 11 is a magnet whose surface is magnetized to the north pole, and the magnet 12 is a magnet whose surface is magnetized to the south pole. A magnet pair 14 is configured by arranging the magnet 11 and the magnet 12 next to each other. The coil 13 is overlaid on the magnet pair 14. The magnet 11, the magnet 12, and the coil 13 are arranged in combination so that the inner region 15 where the winding of the coil 13 is partitioned and the facing surface 16 where the magnet 11 and the magnet 12 face each other intersect.

  The present invention applies the so-called Fleming's left-hand rule. According to Fleming's left-hand rule, when a current is applied to the coil 13 in FIG. 1 in the direction indicated by arrow A1, the coil 13 receives a thrust in the direction indicated by arrow A2. Further, when a current in the opposite direction, that is, the direction indicated by the arrow B1, is applied to the coil 13, the coil 13 receives a thrust in the direction indicated by the arrow B2. When the magnet pair 14 is fixed, the coil 13 is fixed to a slidable moving member, and the current to the coil 13 is controlled, the coil 13 can be moved in the directions indicated by arrows A2 and B2.

  The magnets 11 and 12 shown in FIG. 1 may be so-called permanent magnets or electromagnets. Further, the coil 13 can be fixed and the magnet pair 14 can be moved.

Next, the configuration of the actuator 20 of this embodiment will be described.
FIG. 2 is an explanatory view showing the configuration of the actuator 20 of this embodiment. FIG. 2A is a perspective view of the actuator 20. 2B is a plan view of the actuator 20, FIG. 2C is a front view of the actuator 20, FIG. 2D is a side view of the actuator 20, and FIG. A bottom view is shown.

  The actuator 20 includes two thrust generation units 10 a and 10 b and a metal plate 21. The two thrust generators 10a and 10b are arranged so that the opposing surfaces 16a and 16b of each other are orthogonal to each other. Note that the term “orthogonal” as used herein means that the angle at which the opposing surfaces 16a and 16b intersect each other does not have to be a perfect right angle, and includes manufacturing errors. Further, the two thrust generating portions 10a and 10b are coupled so as to sandwich the metal plate 21 with the magnet pairs 14a and 14b side facing the metal plate 21, respectively. That is, the actuator 20 has a configuration in which the coil 13a, the magnet pair 14a, the metal plate 21, the magnet pair 14b, and the coil 13b are stacked in this order. Such an actuator 20 fixes the magnet pair 14a, 14b sandwiching the metal plate 21, fixes the coils 13a, 13b to a slidable moving member, and controls the current to the coils 13a, 13b. The relative movement of the XY plane in 2 (a), that is, the two-dimensional plane is enabled. Conversely, the coils 13a and 13b may be fixed and the magnet pairs 14a and 14b may be fixed to the moving member.

  According to the configuration of the actuator 20, the opposing surfaces 16a and 16b of the actuator 20 are arranged so as to be orthogonal to each other, so that the thrust direction (X-axis direction) provided by one thrust generation unit 10a and the other thrust generation unit 10b are The resulting thrust direction (Y-axis direction) is orthogonal. Since the movement of the two-dimensional plane can be controlled by the control of two axes, any movement in the two-dimensional direction can be controlled by combining these two thrust generation units 10a and 10b. Like the actuator 20, by providing the thrust generating portions 10a and 10b on both surfaces of the metal plate 21, the thrust can be increased as compared with the case of one surface. Further, the metal plate 21 functions as a yoke, so that the magnetic force can be used efficiently.

  FIG. 3 is a diagram showing the relationship between the coil position and the thrust (load N) in the X direction of FIG. The horizontal axis represents the position of the coil 13a, and the vertical axis represents the load N generated in the coil 13a. Here, an example in which a current of 200 mA is applied to the coil 13a using a magnet 11a and a magnet 12a that draw BH curves of 13170G (H = 0 Oe) and −12875 Oe (B = 0G) as shown in FIG. Is shown. The position where the center of the coil 13a overlaps the facing surface 16a of the magnet pair 14a is the origin of the position of the coil 13a. It can be confirmed that the largest load N is generated at the origin, and the load N having a magnitude that does not change is generated even when the position is shifted by ± 4 mm. Further, if the current applied to the coil 13b of the thrust generating unit 10b and the magnets 11b and 12b to be used are the same as those of the thrust generating unit 10a, the relationship between the coil position and the thrust in the Y direction is the same as that shown in FIG. Result is obtained.

Next, a second embodiment of the present invention will be described.
FIG. 5 is an explanatory view showing the actuator 40 of this embodiment. FIG. 5A is a perspective view of the actuator 40. 5B is a plan view of the actuator 40, FIG. 5C is a front view of the actuator 40, FIG. 5D is a side view of the actuator 40, and FIG. A bottom view is shown. The actuator 40 of the present embodiment is different from the actuator 20 of the first embodiment in that it includes thrust generating portions 30a and 30b in which the magnets 31a, 32a, 31b, and 32b are reduced in size. Moreover, it is different in that the size of the metal plate 41 is also changed with the change of the size of the magnet. The coils 13a and 13b are the same as in the first embodiment, and the positional relationship between the magnet pairs 34a and 34b and the coils 13a and 13b is the same as in the first embodiment. Here, detailed description thereof is omitted. In the actuator 40, as in the actuator 30 of the first embodiment, one thrust generating unit generates thrust in the X-axis direction, and the other thrust generating unit generates thrust in the Y-axis direction. Thereby, all movements in the XY plane can be controlled. Further, the thrust can be increased by providing the thrust generating portions on both sides.

  FIG. 6 is a diagram showing the relationship between the coil position and the thrust (load N) in the X direction of FIG. The horizontal axis represents the position of the coil 13a, and the vertical axis represents the load N generated in the coil 13a. Here, an example is shown in which a magnet 31a and a magnet 32a that draw the same BH curve as in Example 1 are used, and a current of 200 mA is applied to the coil 13a. The position where the center of the coil 13a overlaps the facing surface 36a of the magnet pair 34a is the origin of the position of the coil 13a. It can be confirmed that the largest load N is generated at the origin, and the load N having a magnitude that does not change is generated even when the position is shifted by ± 4 mm. If the current applied to the coil 13b of the thrust generating unit 30b and the magnets 31b and 32b to be used are the same as those of the thrust generating unit 30a, the relationship between the coil position and the thrust in the Y direction is the same as that shown in FIG. Result is obtained.

Next, the configuration of the input device 50 incorporating the actuator 40 will be described.
FIG. 7 is an explanatory view showing an input device 50 incorporating the actuator 40. FIG. 7A is a perspective view of the input device 50. 7B shows a plan view of the input device 50, FIG. 7C shows a front view of the input device 50, FIG. 7D shows a side view of the input device 50, and FIG. A bottom view of the input device 50 is shown. The input device 50 is, for example, in the form of one part incorporated in a mouse, a controller, or the like.

  The input device 50 includes a rectangular top plate 51, a rectangular bottom plate 52, a side plate 53, and a moving mechanism 54. A hole 51 a is formed in the center of the top plate 51. A side plate 53 is joined to three sides of the top plate 51, and the side plate 53 is joined to three sides of the bottom plate 52. The top plate 51, the bottom plate 52, and the side plate 53 mainly constitute an outline of the input device 50. A metal plate 41 of the actuator 40 is coupled to the side plate 53. Since the magnet pair 34 a and 34 b are coupled to the metal plate 41, the magnet pair 34 a and 34 b are fixed to the top plate 51 and the bottom plate 52.

  The moving mechanism 54 includes a slider unit 55, an operation unit 56, a first guide unit 57, and a second guide unit 58. The slider portion 55 includes a top surface 55a and a bottom surface 55b, and a coupling portion 55c that couples the top surface 55a and the bottom surface 55b. The coil 13a is fixed to the lower surface of the top surface 55a, and the coil 13b is fixed to the upper portion of the bottom surface 55b. An operation unit 56 is provided above the top surface 55 a of the slider unit 55 and moves together with the slider unit 55. A key top (not shown) is connected to the operation unit 56 so that the user can perform an operation. The operation portion 56 is held by the first guide portion 57 so as to be slidable in the X-axis direction in FIG. Further, the first guide portion 57 is held by the second guide portion 58 so as to be slidable in the Y-axis direction in FIG. The second guide portion 58 is held in the hole 51 a of the top plate 51. Thereby, the operation part 56 is assembled | attached so that it may protrude from the hole 51a provided in the top plate 51. FIG.

  According to this input device 50, the magnet pair 34a, 34b is fixed, and the coils 13a, 13b are fixed to the moving mechanism 54. By applying current to the coils 13a, 13b, the slider portion 55 of the moving mechanism 54 is obtained. Moves relative to the top plate 51 and the bottom plate 52 in the XY plane. Along with the movement of the slider unit 55, the operation unit 56 moves, and a signal can be transmitted to the user who has touched the operation unit 56 by transmitting the displacement.

  The actuator 40 of the present embodiment described above can reduce the manufacturing cost by reducing the size of the magnet. In addition, by reducing the size of the magnet, the input device 50 can be reduced in size by arranging other components in the space from which the magnet has been removed.

Next, a third embodiment of the present invention will be described.
FIG. 8 is an explanatory view showing the actuator 60 of this embodiment. FIG. 8A is a perspective view of the actuator 60. 8B shows a plan view of the actuator 60, FIG. 8C shows a front view of the actuator 60, FIG. 8D shows a side view of the actuator 60, and FIG. A bottom view is shown. The actuator 60 of the present embodiment has a configuration in which the coils 13a and 13b side of the thrust generating portions 30a and 30b in the second embodiment are connected to the metal plate 41 so as to sandwich the metal plate 41. That is, the actuator 60 has a configuration in which the magnet pair 34a, the coil 13a, the metal plate 41, the coil 13b, and the magnet pair 34b are stacked in this order. In the actuator 60, like the actuator 40 of the second embodiment, one thrust generating unit generates thrust in the X-axis direction, and the other thrust generating unit generates thrust in the Y-axis direction. Thereby, all movements in the XY plane can be controlled. Further, the thrust can be increased by providing the thrust generating portions on both sides.

  FIG. 9 is a diagram showing the relationship between the coil position and the thrust (load N) in the X direction in FIG. The horizontal axis represents the position of the coil 13a, and the vertical axis represents the load N generated in the coil 13a. Here, an example is shown in which the same magnet 31a and magnet 32a as in Example 2 are used and a current of 200 mA is applied to the coil 13a. The position where the center of the coil 13a overlaps the facing surface 36a of the magnet pair 34a is the origin of the position of the coil 13a. It can be confirmed that the largest load N is generated at the origin, and the load N having a magnitude that does not change is generated even when the position is shifted by ± 4 mm. Further, if the current applied to the coil 13b of the thrust generating unit 30b and the magnets 31b and 32b to be used are the same as those of the thrust generating unit 30a, the relationship between the coil position and the thrust in the Y direction is the same as that shown in FIG. Result is obtained.

  FIG. 10 is an explanatory view showing an input device 70 incorporating the actuator 60. FIG. 10A is a perspective view of the input device 70. 10B is a plan view of the input device 70, FIG. 10C is a front view of the input device 70, FIG. 10D is a side view of the input device 70, and FIG. A bottom view of the input device 70 is shown. The input device 70 is in the form of a single part that is incorporated into, for example, a mouse or a controller.

  The input device 70 has a configuration in which an actuator 60 is incorporated instead of the actuator 40 in the input device 50 of the second embodiment. The coil 13 a is fixed to the lower portion of the top surface 55 a of the slider portion 55 of the input device 70, and the coil 13 b is fixed to the upper portion of the bottom surface 55 b of the slider portion 55. On the other hand, the magnet pair 34 a is fixed to the top plate 51, and the magnet pair 34 b is fixed to the bottom plate 52. Other configurations are the same as those of the input device 50 of the second embodiment, and detailed description thereof is omitted here.

Next, a fourth embodiment of the present invention will be described.
FIG. 11 is an explanatory view showing an actuator 80 of this embodiment. FIG. 11A is a perspective view of the actuator 80. 11B shows a plan view of the actuator 80, FIG. 11C shows a front view of the actuator 80, FIG. 11D shows a side view of the actuator 80, and FIG. A bottom view is shown.

  The actuator 80 of this embodiment includes a magnet 81, two magnets 82 and 83 having different polarities from the magnet 81, and coils 84 and 85. Magnets 82 and 83 are arranged adjacent to magnet 81, respectively. In particular, the facing surface 86 between the magnet 82 and the magnet 81 and the facing surface 87 between the magnet 83 and the magnet 81 are arranged to be orthogonal to each other. As for the orthogonality described here, the angle at which the facing surface 86 and the facing surface 87 intersect with each other does not have to be a perfect right angle, and includes manufacturing errors.

  The coils 84 and 85 are arranged on the same surface of the magnets 81, 82 and 83 arranged side by side. In particular, the coil 84 is disposed so that the inner region 84a defined by the winding of the coil 84 and the opposing surface 86 intersect each other, and the coil 85 includes the inner region 85a defined by the winding of the coil 85; It arrange | positions so that the opposing surface 87 may cross | intersect.

  The actuator 80 configured as described above has the same effect as that in which the thrust generation units 10 described in the first embodiment are arranged. That is, it is the same as that provided with a plurality of thrust generating parts sharing the magnet 81. Therefore, by fixing such magnets 81, 82, 83, fixing the coils 84, 85 to a slidable moving member, and controlling the current to the coils 84, 85, the coil moving member is placed on the XY plane. That is, it can be moved in a two-dimensional plane. Further, the thrust can be increased by providing a plurality of thrust generating portions.

  In this actuator 80, the number of parts of the magnet can be reduced by sharing the magnet among the plurality of thrust generating portions. In addition, since the shapes of the magnets 81, 82, and 83 can be flexibly changed as long as the facing surfaces of the three magnets are orthogonal to each other, there are a wide variety of shapes of the spaces that can be arranged. For this reason, since the actuator 80 can be arranged in a space that could not be arranged conventionally, the space can be used effectively.

  FIG. 12 is a diagram showing the relationship between the coil position and the thrust (load N) in the X direction of FIG. The horizontal axis represents the position of the coil 85, and the vertical axis represents the load N generated in the coil 85. Here, an example in which a magnet 81 and a magnet 83 that draw the same BH curve as in the first embodiment are used and a current of 200 mA is applied to the coil 85 is shown. The position where the center of the coil 85 overlaps the facing surface 87 is the origin of the position of the coil 85. It can be confirmed that the largest load N occurs at this origin, and the load N decreases as the distance from the origin increases. If the current applied to the coil 84 and the current applied to the coil 85 are the same and the magnet 82 and the magnet 83 are the same, the relationship between the coil position in the Y direction and the thrust is also shown in FIG. Similar results are obtained.

Next, a fifth embodiment of the present invention will be described.
FIG. 13 is an explanatory view showing the actuator 90 of this embodiment. FIG. 13A is a perspective view of the actuator 90. 13B is a plan view of the actuator 90, FIG. 13C is a front view of the actuator 90, FIG. 13D is a side view of the actuator 90, and FIG. A bottom view is shown.

  The actuator 90 of the present embodiment is configured by adding coils 91 and 92 to the configuration of the actuator 80 of the fourth embodiment. The coils 91 and 92 are disposed on the surface 94 where the coils 84 and 85 are not disposed, that is, the surface 94 opposite to the surface 93 where the coils 84 and 85 are disposed. The coil 91 is disposed so that the inner area 91a defined by the winding of the coil 91 and the facing surface 87 intersect each other, and the coil 92 is configured so as to face the inner area 92a defined by the winding of the coil 92 and the facing surface. 86 is arranged to cross.

  The actuator 80 configured as described above has the same effect as that in which the actuators 20 described in the first embodiment are arranged. By fixing the magnets 81, 82, 83, fixing the coils 84, 85, 91, 92 to a slidable moving member, and controlling the current to the coils 84, 85, 91, 92, the coil moving member X Can be moved in the -Y plane, i.e. the two-dimensional plane

  FIG. 14 is a diagram showing the relationship between the coil position and the thrust (load N) in the X direction of FIG. The horizontal axis represents the position of the coil 85, and the vertical axis represents the load N generated in the coil 85. Here, an example in which the same magnet 81 and magnet 83 as in the fourth embodiment are used and a current of 200 mA is applied to the coils 85 and 92 is shown. The position where the centers of the coils 85 and 92 overlap the facing surface 87 is the origin of the positions of the coils 85 and 92. It can be confirmed that the largest load N occurs at this origin, and the load N decreases as the distance from the origin increases. In addition, since the coil is doubled, it can be seen that the thrust is doubled compared to the relationship between the coil position and the thrust of Example 4. Further, if the current applied to the coils 84 and 91 is the same as the current applied to the coils 85 and 92 and the magnet 82 and the magnet 83 are the same, the relationship between the coil position and the thrust in the Y direction is also shown here. The same result as in FIG. 14 is obtained.

Next, a sixth embodiment of the present invention will be described.
FIG. 15 is an explanatory view showing the actuator 100 of the present embodiment. FIG. 15A is a perspective view of the actuator 100. 15B is a plan view of the actuator 100, FIG. 15C is a front view of the actuator 100, FIG. 15D is a side view of the actuator 100, and FIG. A bottom view is shown.

  The actuator 100 of the present embodiment has a configuration in which a metal plate 102 is sandwiched between units 101 having the same configuration as the actuator 80 of the fourth embodiment. In other words, the actuator 100 has a configuration in which the metal plate 102 is sandwiched by the unit 101 with the magnet side of the unit 101 having a plurality of thrust generating portions having coils arranged on the same surface of the magnet facing the metal plate 102. In FIG. 15A, the same components as those of the actuator 80 of the fourth embodiment are denoted by the same reference numerals.

  Since such an actuator 100 is configured by stacking thrust generating portions in a direction orthogonal to a two-dimensional surface (XY plane), the thrust can be improved without increasing the space of the two-dimensional surface. Can do.

  FIG. 16 is a diagram showing the relationship between the coil position and the thrust (load N) in the X direction in FIG. The current applied to the coil is the same as in the fourth embodiment. According to FIG. 16, the actuator 100 can obtain a thrust twice that of the actuator 80 of the fourth embodiment.

Next, a seventh embodiment of the present invention will be described.
FIG. 17 is an explanatory view showing the actuator 110 of this embodiment. FIG. 17A is a perspective view of the actuator 110. 17B is a plan view of the actuator 110, FIG. 17C is a front view of the actuator 110, FIG. 17D is a side view of the actuator 110, and FIG. A bottom view is shown.

  The actuator 110 of this embodiment includes a magnet 111, four magnets 112a, 112b, 112c, and 112d having different polarities from the magnet 111, and coils 113a, 113b, 113c, and 113d. The magnets 112a, 112b, 112c, and 112d are arranged adjacent to the magnet 111, respectively. In particular, the facing surfaces 114a and 114c of the magnets 112a and 112c and the magnet 111 and the facing surfaces 114b and 114d of the magnets 112b and 112d and the magnet 111 are arranged so as to be orthogonal to each other. As for the orthogonality described here, the angle at which the opposing surfaces intersect each other does not have to be a perfect right angle, and includes manufacturing errors.

  The coils 113a, 113b, 113c, and 113d are arranged on the same surface of the magnet 111. The coil 113a is disposed so that the inner region 115a defined by the winding of the coil 113a and the facing surface 114a intersect each other. In addition, the coil 113b is disposed so that the inner region 115b defined by the winding of the coil 113b and the opposing surface 114b intersect each other, and the coil 113c includes the inner region 115c defined by the winding of the coil 113c, The opposing surface 114c is disposed so as to intersect, and the coil 113d is disposed so that the inner region 115d defined by the winding of the coil 113d intersects the opposing surface 114d.

  The actuator 80 configured as described above has the same effect as that in which the thrust generation units 10 described in the first embodiment are arranged. That is, it is the same as that provided with a plurality of thrust generating parts sharing the magnet 111. By fixing the magnets 111, 112a, 112b, 112c, 112d, fixing the coils 113a, 113b, 113c, 113d to a slidable moving member, and controlling the current to the coils 113a, 113b, 113c, 113d, the coils The moving member can be moved in the XY plane, that is, in a two-dimensional plane.

FIG. 18 is a diagram showing the relationship between the coil position and the thrust (load N) in the X direction in FIG. The horizontal axis represents the positions of the coils 113b and 113d, and the vertical axis represents the load N generated in the coils 113b and 113c. Here, an example is shown in which magnets 111, 112b, and 112c that draw BH curves similar to those in the first embodiment are used, and a current of 200 mA is applied to the coils 113b and 113c. The position where the centers of the coils 113b and 113c overlap the opposing surfaces 114b and 114d is the origin of the positions of the coils 113b and 113c. It can be confirmed that the largest load N occurs at this origin, and the load N decreases as the distance from the origin increases. Further, if the current applied to the coils 113a and 113d is the same as the current applied to the coils 113b and 113c and the magnets 112b and 112c and the magnets 112a and 112d are the same, the relationship between the coil position and the thrust in the Y direction. The same result as FIG. 17 shown here is obtained.
(Other examples)

Next, an application example of Embodiment 7 of the present invention will be described.
FIG. 19 is an explanatory view showing the actuator 120. FIG. 19A is a perspective view of the actuator 120. 19B is a plan view of the actuator 120, FIG. 19C is a front view of the actuator 120, FIG. 19D is a side view of the actuator 120, and FIG. A bottom view is shown.
FIG. 20 is an explanatory view showing the actuator 130. FIG. 20A is a perspective view of the actuator 130. 20B is a plan view of the actuator 130, FIG. 20C is a front view of the actuator 130, FIG. 19D is a side view of the actuator 130, and FIG. A bottom view is shown.

  The actuator 120 has a configuration in which coils 121a, 121b, 121c, and 121d are added to the configuration of the actuator 110 of the seventh embodiment. The coils 121a, 121b, 121c, and 121d are disposed on the surface 123 on which the coils 113a, 113b, 113c, and 113d are not disposed, that is, the surface 123 on the opposite side of the surface 122 on which the coils 113a, 113b, 113c, and 113d are disposed. Yes. The coils 121a, 121b, 121c, and 121d are arranged so that the opposing surface of the magnet intersects with the inner region defined by the coil winding.

  The actuator 130 has a configuration in which a metal plate 132 is sandwiched between units 131 having the same configuration as the actuator 110 of the seventh embodiment. That is, the actuator 130 has a configuration in which the metal plate 132 is sandwiched by the unit 131 with the magnet side of the unit 131 having a plurality of thrust generating portions having coils arranged on the same surface of the magnet facing the metal plate 132. In FIG. 20 (a), the same components as those of the actuator 110 are denoted by the same reference numerals.

  FIG. 21 is a diagram showing the relationship between the coil position of the actuator 120 and the thrust (load N). FIG. 22 is a diagram showing the relationship between the coil position of the actuator 130 and the thrust (load N). In both FIG. 21 and FIG. 22, the current applied to the coil is the same as in the seventh embodiment. In both cases, almost twice as much thrust is obtained as in the case of the seventh embodiment.

  The input device according to the present invention is not only incorporated in a mouse or the like, but also incorporated in another device, for example, a steering wheel of a vehicle. It is possible to obtain various secondary effects because information transmission, which has been one-way in the past, is made bidirectional, such as being able to be operated.

  The above-described embodiments are merely examples for carrying out the present invention, and the present invention is not limited thereto. Various modifications of these embodiments are within the scope of the present invention. It is apparent from the above description that various other embodiments are possible within the scope.

  For example, the input device shown in the second and third embodiments can be configured to include the actuator of any one of the first, fourth, and seventh embodiments. Among these, the actuator in which the coil is disposed only on one surface, such as the fourth embodiment, can be configured to fix the coil to the top surface 55 a of the slider portion 55.

10, 10a, 10b, 30a, 30b Thrust generator 11, 12, 11a, 12a, 11b, 12b Magnet 13, 13a, 13b Coil 14, 14a, 14b, 34a, 34b Magnet pair 15, 15a, 15b Region 16, 16a , 16b, 36a, 36b Opposing surface 20, 30, 40, 60 Actuator 21, 41 Metal plate 31a, 31b Magnet 50, 70 Input device 80, 90, 100, 110, 120, 130 Actuator 81, 82, 83 Magnet 84, 85, 91, 92 Coil 84a, 85a, 91a, 92a Region 86, 87 Opposing surface 101, 131 Unit 102, 132 Metal plate 111, 112a, 112b, 112c, 112d Magnet 113a, 113b, 113c, 113d Coil 121a, 121b, 121c, 121 Coil

Claims (11)

Combining the magnet and the coil such that the coil is overlapped with a magnet pair in which magnets of different polarities are arranged side by side, and the region where the winding of the coil is partitioned and the facing surface of the magnets intersect each other. It is equipped with multiple arranged thrust generators,
The two-dimensional actuator, wherein the opposing surfaces of the magnets are arranged so as to be orthogonal to each other. With a metal plate,
2. The two-dimensional actuator according to claim 1, wherein the two thrust generation portions with the magnet pair side facing the metal plate sandwich the metal plate. With a metal plate,
2. The two-dimensional actuator according to claim 1, wherein the two thrust generation portions having the coil side facing the metal plate sandwich the metal plate.   The two-dimensional actuator according to claim 1, wherein the plurality of thrust generating units share one polarity magnet.   The two-dimensional actuator according to claim 4, wherein the coils of the plurality of thrust generation units are arranged on the same surface of the magnets arranged side by side. Provided with another coil on the surface of the magnet where the coil is not disposed,
The two-dimensional actuator according to claim 5, wherein the other coil is arranged so that a region defined by windings of the other coil intersects with a facing surface of the magnets. A unit having a plurality of thrust generating portions in which the coil is disposed on the same surface of the magnet;
A metal plate,
With
The two-dimensional actuator according to claim 5, wherein the magnet side of the unit faces the metal plate and the two units sandwich the metal plate.   The two-dimensional actuator according to claim 1, wherein the magnet is a multi-pole magnetized magnet.   The two-dimensional actuator according to any one of claims 1 to 8, wherein the magnet pair is fixed and the coil is relatively moved.   The two-dimensional actuator according to claim 1, wherein the coil is fixed and the magnet pair is relatively moved.   An input device comprising the two-dimensional actuator according to any one of claims 1 to 10.

Images