JP2014071713A - Tactile sense presentation device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a tactile sense presentation device capable of efficiently vibrating a tactile sense presentation part.SOLUTION: A tactile sense presentation device includes: a battery 60; a battery housing part 11 in which the battery is housed; battery lids (53, 70) covering the battery housing part 11; and tactile sense presentation parts (20, 21, 22) which present tactile sense by vibration. The battery lids (53, 70) have an elastic member 52 capable of telescopic motion covering at least a part of the battery housing part 11. The elastic member 52 tightly seals a space 50 on the side opposite to a tactile sense presentation surface 20a of the tactile sense presentation parts (20, 21, 22) and also tightly seals a space 56 to demarcate the battery housing part 11 communicating with the space 50.

Description

  The present invention relates to a tactile sensation providing apparatus that presents a tactile sensation by vibration.

  In recent years, portable information devices such as smartphones and tablet PCs, various consumer devices such as home appliances such as microwave ovens, TVs, lighting fixtures, ATMs (automated teller machines), automatic ticket vending machines, automatic Various industrial devices (FA devices) such as vending machines are being mounted with tactile sensation presentation devices that present tactile sensations by vibration in response to operator operations (see, for example, Patent Document 1).

JP 2011-34150 A

  In the tactile sensation providing apparatus as described above, for example, from the viewpoint of low power consumption, it is desirable to efficiently vibrate the tactile sensation providing unit that provides tactile sensation by vibration.

  This invention is made | formed in view of this viewpoint, and it aims at providing the tactile sensation presentation apparatus which can vibrate a tactile sensation presentation part efficiently.

The invention of the tactile sensation providing apparatus that achieves the above object
Battery,
A battery storage section for storing the battery;
A battery lid covering the battery compartment;
A tactile sensation presentation unit that presents a tactile sensation by vibration;
With
The battery lid has an elastic member that can be expanded and contracted to cover at least a part of the battery housing portion,
The elastic member seals a space opposite to the tactile sensation providing surface of the tactile sensation providing part and a space defining the battery housing part communicating with the space.

The battery lid is formed with a vent hole,
One side of the vent hole may communicate with a space defined by the member including the battery lid and the elastic member, and the other side of the vent hole may communicate with a space outside the tactile sensation presentation apparatus.

  The battery cover may be disposed so as not to contact the elastic member when the elastic member expands and contracts.

  You may arrange | position the said battery accommodating part or the said battery so that it may not contact the said elastic member, when the said elastic member expands / contracts.

  The elastic member may expand and contract according to the vibration of the tactile sensation providing unit.

  According to the vibration of the tactile sensation providing unit, the elastic member includes an air pressure in a space opposite to the tactile sensation providing surface and a space defining the battery storage unit, and an air pressure in a space outside the tactile sensation providing device. You may expand and contract so that it may approach the state which balances.

  The elastic member may have a dustproof function or a waterproof function.

  ADVANTAGE OF THE INVENTION According to this invention, the tactile sensation presentation apparatus which can vibrate a tactile sensation presentation part efficiently can be provided.

It is an external appearance perspective view which shows schematic structure of the principal part of the tactile sense presentation apparatus which concerns on embodiment of this invention. It is a disassembled perspective view of the upper side of the tactile sensation providing apparatus of FIG. It is a disassembled perspective view of the lower side of the tactile sensation providing apparatus of FIG. It is an AA line expanded sectional view of FIG. It is a figure for demonstrating operation | movement of the tactile sense presentation apparatus of FIG.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings.

  1 to 4 show a schematic configuration of a main part of a tactile sensation providing apparatus according to an embodiment of the present invention. FIG. 1 is an external perspective view, and FIG. 2 is an exploded perspective view of an upper side of the tactile sensation providing apparatus. 3 is an exploded perspective view of the lower side of the tactile sensation providing apparatus, and FIG. 4 is an enlarged sectional view taken along line AA of FIG. The tactile sensation providing apparatus according to the present embodiment includes a housing 10, a panel 20, and a shielding member 30 in appearance.

  The housing 10 is made of, for example, metal, plastic, or resin and has a rectangular shape in plan view. In the present specification, the rectangular shape includes those in which corners are formed in an arc shape. In the illustrated example, the housing 10 is shown as one housing, but the upper housing and the lower housing may be integrally combined. In this case, an appropriate dustproof or waterproofing measure is taken between the upper housing and the lower housing, for example, by using a sealed structure via rubber packing.

  The panel 20 is operated by an operator's finger, a stylus pen, or the like, and is made of, for example, plastic or glass having a thickness capable of minute bending displacement (for example, several tens of μm). In addition, the panel 20 may be comprised with the touchscreen which has contact detection functions, such as a resistive film system, an electrostatic capacitance system, an optical system, for example. The panel 20 has a rectangular shape in plan view in the illustrated example, but may have a square shape or the like.

  The panel 20 has two sheets for bending and vibrating the panel 20 on a panel back surface 20b opposite to a tactile sensation display surface (operation surface) 20a that is a surface operated by an operator's finger or stylus pen. Piezoelectric elements 21 and 22 are provided. The piezoelectric elements 21 and 22 have a long rectangular shape having the same structure, such as a monomorph, a bimorph, and a unimorph, and are bent or stretched in the long direction when a voltage is applied. One piezoelectric element 21 is bonded and fixed to the panel back surface 20b so that the long direction extends along the short side of one of the opposing short sides of the panel back surface 20b. Similarly, the other piezoelectric element 22 is bonded and fixed to the panel back surface 20b on the other short side of the panel back surface 20b so that the long direction extends along the short side. Panel 20 and piezoelectric elements 21 and 22 constitute a tactile sensation providing unit.

  The shielding member 30 is, for example, a sheet having a dustproof function or a waterproof function, and is formed in a frame shape. The shielding member 30 has an inner peripheral portion bonded to the peripheral portion of the panel back surface 20b of the panel 20 by a double-sided tape or an adhesive, and an outer peripheral portion bonded to the upper surface 10b of the outer peripheral portion 10a of the housing 10 by a double-sided tape or an adhesive. Is done. Further, between the back surface on the inner peripheral side of the shielding member 30 and the bottom 10c of the housing 10, at a total of six locations corresponding to the four corners of the panel 20 and the central portion of each long side of the panel 20, respectively. The elastically deformable support member 40 is disposed by being bonded with a double-sided tape or an adhesive.

  As the support member 40, for example, “PORON” (trade name) or the like can be used. Thus, the panel 20 is supported on the bottom 10c of the housing 10 by the six support members 40. Therefore, in the illustrated example, the six support members 40 form a space (gap) 50 between the back side of each of the panel 20 and the shielding member 30 and the bottom 10 c of the housing 10 in the housing 10. Is done. In addition, as for the panel 20, the shielding member 30 may be adhere | attached on the peripheral part of the tactile sense presentation surface 20a, and the support member 40 may be adhere | attached on the panel back surface 20b. Moreover, although the support member 40 has illustrated the cylindrical shape, it can be set as arbitrary shapes, such as prismatic shape.

  In the space 50, a circuit board 51 on which drive circuits for the piezoelectric elements 21 and 22 are mounted is separated from the bottom 10 c of the housing 10 via a support portion 10 d that is integral with or separate from the housing 10. The body 10 is supported and arranged. Note that a display panel such as a liquid crystal panel or the like may be mounted in the space 50 as necessary, or integrally with the panel 20.

  As shown in FIGS. 2 to 4, a battery housing portion 11 that houses the battery 60 is formed in the bottom portion 10 c of the housing 10. In the illustrated example, the battery housing portion 11 is rectangular, but various shapes can be used in accordance with the shape of the battery 60. Note that FIG. 2 illustrates the upper member of the tactile sensation providing apparatus as a center, and the illustration of the battery 60 stored in the battery storage unit 11 is omitted. FIG. 3 shows the lower member of the tactile sensation providing device as a center, and the elements arranged above the bottom 10c of the housing 10 are not shown. In FIG. 3, a state in which the battery 60 can be fitted into the battery storage portion 11 formed on the bottom portion 10 c of the housing 10 is shown. The battery 60 supplies necessary power to each functional unit when the tactile sensation providing device is a portable device.

  Further, in order to prevent the battery 60 from dropping from the housing 10 when the battery 60 is fitted in the battery housing part 11, a frame-like member 53 having an elastic member 52, which will be described later, and the battery lid part 70 are provided. Further, it is fitted into the housing 10. The battery lid 70 has a recess 71, and a plurality of vent holes 72 are formed in the recess 71. In FIG. 3, the plurality of vent holes 72 are formed at twelve locations, but in the recesses 71 of the battery lid portion 70, the elastic members 52 that can extend and contract to cover at least a part of the battery storage portion 11 are formed. An arbitrary number of air holes 72 can be formed in the portion corresponding to. In the present embodiment, it is preferable to configure the battery cover including the frame-shaped member 53 having the elastic member 52 and the battery cover part 70. In this case, it is preferable that the frame-like member 53 and the battery lid 70 are bonded with an adhesive or a double-sided tape 55 as shown in FIG.

  In a state in which the elastic member 52 described later does not cover the battery storage unit 11, the space 50 and the space (outside air) outside the tactile sensation providing device are communicated by the battery storage unit 11. As long as the space 50 and the space outside the tactile sensation presentation device communicate with each other, the battery storage unit 11 is not limited to the illustrated position, and can be formed at various positions as necessary. In addition, the opening area of the battery housing portion 11 is appropriately set according to the capacity of the space 50, the change in atmospheric pressure in the space 50 due to the vibration of the panel 20, the shape of the battery 60, and the like. In the present embodiment, a case where one rectangular battery housing portion 11 is formed at a position corresponding to the substantially central portion of the panel 20 in the region of the frame-like member 53 and the battery lid portion 70 facing the panel 20. Illustrated.

  The elastic member 52 has a dustproof function or a waterproof function, and is adhered to the frame-shaped member 53 by a double-sided tape, an adhesive, or the like. The elastic member 52 may be integrally formed with the frame member 53. In this way, when the battery lid including the frame-like member 53 having the elastic member 52 and the battery lid portion 70 is attached to the housing 10, the packing portion 54 is located between the frame-like member 53 and the housing 10. Is sealed (sealed), so that dust and water can be prevented from entering the space 50.

  As such an elastic member 52, for example, a silicon rubber sheet or the like can be used. The elastic member 52 has, for example, a rectangular shape according to the shape of the battery housing portion 11 or the frame-shaped member 53, and has a thickness of 0.2 mm. The elastic member 52 may be formed of a material having elasticity as a whole, or may be formed of a material having elasticity at least in a portion corresponding to the battery housing portion 11 by two-color molding or the like. By disposing the elastic member 52 so as to cover the battery housing portion 11, the space 50 is sealed together with the action of the packing portion 54, and dust and water can be prevented from entering the space 50. .

  The tactile sensation providing apparatus according to the present embodiment detects an operation on panel 20 and drives piezoelectric elements 21 and 22. Thus, the panel 20 is curved and vibrated in the direction indicated by the double arrow in FIG. FIG. 5 shows a state in which the panel 20 is curved and the tactile sensation providing surface 20a protrudes upward. Here, if the panel 20 has a contact detection function, the operation on the panel 20 may be detected by the contact detection function. In addition, an operation on the panel 20 may be detected by detecting a press due to contact with the panel 20. In this case, the pressure on the panel 20 may be detected using the piezoelectric elements 21 and 22, or may be detected by separately providing a piezoelectric element or a strain sensor for detecting pressure.

  In the present embodiment, the space 50 communicates with a space 56 that defines the battery storage unit 11. For this reason, according to the present embodiment, when the panel 20 vibrates, the atmospheric pressure in the space 50 and the space 56 changes according to the volume change of the space 50 due to the vibration. The elastic member 52 expands and contracts according to changes in the atmospheric pressure in the space 50 and the space 56, and the atmospheric pressure in the space 50 and the space 56 and the external atmospheric pressure (the atmospheric pressure in the space outside the tactile sensation presentation device) are in a balanced state. Deform to approach. In this embodiment, when the panel 20 is curved and vibrated in the direction indicated by the double arrow in FIG. 5, the elastic member 52 is curved and vibrated with expansion and contraction as shown in FIG. It will be. As a result, changes in atmospheric pressure in the space 50 and the space 56 based on the vibration of the panel 20 are reduced, so that the panel 20 can be vibrated efficiently by the piezoelectric elements 21 and 22.

  In FIG. 5, if the air holes 72 of the battery lid part 70 are not formed and the space 50 and the space 56 are in a sealed state, when the panel 20 is vibrated by driving the piezoelectric elements 21 and 22, the vibration is generated. Accordingly, the gas (air) in the space 50 and the space 56 is expanded / compressed. Therefore, if the panel 20 is vibrated with a desired amplitude, it is necessary to supply more drive power to the piezoelectric elements 21 and 22 than in the case of the present embodiment, resulting in an increase in power consumption. become. In FIG. 5, when the elastic member 52 is not disposed, the sealing property of the space 50 is impaired, and dust and water may enter the space 50 and the space 56.

  As described above, in the present embodiment, the battery lid (53, 70) that covers the battery housing part 11 includes the elastic member 52 that can be stretched and covers at least a part of the battery housing part 11. In the present embodiment, the elastic member 52 has the space 50 on the opposite side to the tactile sensation providing surface 20a of the tactile sensation providing part (20, 21, 22) with the battery lid (53, 70) attached. The space 56 that defines the battery housing portion 11 that communicates with the space 50 is sealed. Further, in the present embodiment, the battery lid (53, 70) is formed with a vent hole 72, and one side of the vent hole 72 is defined by a member including the battery lid (53, 70) and the elastic member 52. It is preferable that the other side of the vent hole 72 communicates with the space 73 and communicates with the space outside the tactile sensation presentation device.

  In recent years, the area in which a battery is closed in a casing of a mobile terminal has become relatively large. Therefore, according to the present embodiment, the elastic member 52 can be disposed in correspondence with the portion where the battery 60 requiring a relatively large area is disposed. Thereby, the area of the elastic member 52 can also be made relatively large, and the panel 20 can be vibrated efficiently and satisfactorily.

  In addition, since there is a portion where the air holes 72 are not formed in the battery lid portion 70, it is possible to prevent the operator from coming into direct contact with the elastic member 52, thereby inhibiting efficient vibration of the panel 20. There is no. Furthermore, since the operator does not directly contact the elastic member 52, the possibility that the elastic member 52 is damaged or malfunctioned can be reduced, and the durability of the elastic member 52 can be improved.

  In the present embodiment, it is preferable that the battery cover (53, 70) is disposed so as not to contact the elastic member 52 when the elastic member 52 expands and contracts. Furthermore, in the present embodiment, it is preferable that the battery housing part 11 or the battery 60 is arranged so as not to contact the elastic member 52 when the elastic member 52 expands and contracts. Thereby, when the elastic member 52 expands and contracts, the vibration of the panel 20 is not hindered because the elastic member 52 contacts another member.

  It should be noted that the present invention is not limited only to the above-described embodiment, and those skilled in the art can easily make various modifications and corrections based on the present disclosure. Therefore, it should be noted that these variations and modifications are included in the scope of the present invention. For example, the panel 20 is not limited to the two piezoelectric elements 21 and 22 and may be configured to vibrate with one or three or more piezoelectric elements. Further, the panel 20 is not limited to bending vibration, and the surface may vibrate parallel to the normal direction. Furthermore, the vibration source of the panel 20 is not limited to a piezoelectric element, but may be an eccentric motor or an actuator.

  In the above-described embodiment, the plurality of vent holes 72 formed in the battery lid portion 70 have been described as being circular, but the shape of the vent holes 72 is an arbitrary shape that can perform good ventilation. It can be. In the above-described embodiment, the battery lid portion 70 is described as having a plurality of vent holes 72. However, for example, the battery lid portion 70 has a mesh shape in which a large number of vent holes 72 are partially formed. You may comprise by the member of. Further, if the battery lid 70 and the frame-like member 53 are not partially sealed (sealed) so that air can be ventilated from the gap between the battery lid 70 and the housing 10, A configuration in which the air holes 72 are not provided may be employed.

DESCRIPTION OF SYMBOLS 10 Housing | casing 10a Outer peripheral part 10b Upper surface 10c Bottom part 10d Support part 11 Battery storage part 20 Panel 20a Tactile presentation surface 20b Panel back surface 21, 22 Piezoelectric element 30 Shielding member 40 Support member 50 Space 51 Circuit board 52 Elastic member 53 Frame-like member 54 Packing portion 55 Adhesion portion 56 Space 60 Battery 70 Battery lid portion 71 Recess 72 Air vent 73 Space

Claims (7)

Battery,
A battery storage section for storing the battery;
A battery lid covering the battery compartment;
A tactile sensation presentation unit that presents a tactile sensation by vibration;
With
The battery lid has an elastic member that can be expanded and contracted to cover at least a part of the battery housing portion,
The tactile sensation providing apparatus, wherein the elastic member seals a space opposite to a tactile sensation providing surface of the tactile sensation providing unit and a space defining the battery housing unit communicating with the space. The battery lid is formed with a vent hole,
The one side of the vent hole leads to a space defined by a member including the battery lid and the elastic member, and the other side of the vent hole leads to a space outside the tactile sensation presentation device. The tactile sensation presenting device described in 1.   The tactile sensation providing apparatus according to claim 1, wherein the battery lid is disposed so as not to contact the elastic member when the elastic member expands and contracts.   The tactile sensation providing apparatus according to claim 1, wherein the battery housing unit or the battery is disposed so as not to contact the elastic member when the elastic member expands and contracts.   The tactile sensation providing apparatus according to claim 1, wherein the elastic member expands and contracts according to vibration of the tactile sensation providing unit.   According to the vibration of the tactile sensation providing unit, the elastic member includes an air pressure in a space opposite to the tactile sensation providing surface and a space defining the battery storage unit, and an air pressure in a space outside the tactile sensation providing device. The tactile sensation providing apparatus according to claim 1, wherein the tactile sensation providing apparatus expands and contracts so as to approach a state where the two are balanced. The tactile sensation providing apparatus according to claim 1, wherein the elastic member has a dustproof function or a waterproof function.

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