JP2019188329A - Tactile generator and tactile generation method - Google Patents
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Abstract
Description
この発明は、触感発生装置および触感発生方法に関する。 The present invention relates to a tactile sensation generating apparatus and a tactile sensation generating method.
例えば、電子機器などには、入力部に触感発生装置を備えたものが存在している。触感発生装置は、振動部材の裏面側に振動発生デバイスを設置した装置であり、振動部材などの表面に触った時に、振動部材の裏面側に設置された振動発生デバイスを用いて振動部材に振動を発生させることで、振動を触感として感じさせることができる。これにより、スイッチなどの入力部に触感発生装置を設けることで、入力部への操作に対して実感(操作感)を与えることができる(例えば、特許文献1参照)。 For example, some electronic devices have a tactile sensation generating device in an input unit. The tactile sensation generating device is a device in which a vibration generating device is installed on the back side of the vibration member. When the surface of the vibration member is touched, the vibration generating device installed on the back side of the vibration member is used to vibrate the vibration member. By generating the vibration, the vibration can be felt as a tactile sensation. Thereby, by providing a tactile sensation generating device in an input unit such as a switch, it is possible to give an actual feeling (operation feeling) to an operation on the input unit (for example, see Patent Document 1).
しかしながら、触感発生装置には、振動発生デバイスで振動部材を直接叩くことで振動を発生させていたので、大きな打突音が発生するなどの問題があった。 However, the tactile sensation generating device has a problem in that a large impact sound is generated because vibration is generated by directly striking the vibration member with a vibration generating device.
上記課題を解決するために、本発明は、
振動部材の裏面側に、振動発生デバイスを設置した触感発生装置において、
前記振動発生デバイスが、前記振動部材に対して近接離反動可能な可動鉄心と、通電によって該可動鉄心を前記振動部材側へ変位させるコイルとを有するソレノイドとされ、
振動発生前に、前記可動鉄心を前記振動部材の裏面に当接配置可能な当接手段を備えたことを特徴とする。
In order to solve the above problems, the present invention provides:
In the tactile sensation generating device in which a vibration generating device is installed on the back side of the vibration member,
The vibration generating device is a solenoid having a movable iron core that can move toward and away from the vibration member, and a coil that displaces the movable iron core toward the vibration member when energized,
A contact means is provided which is capable of placing the movable iron core in contact with the back surface of the vibration member before vibration is generated.
本発明によれば、上記構成によって、大きな打突音の発生をなくすことなどができる。 According to the present invention, it is possible to eliminate the occurrence of a loud hitting sound by the above configuration.
以下、本実施の形態を、図面を用いて詳細に説明する。
図1〜図7は、この実施の形態を説明するためのものである。
Hereinafter, the present embodiment will be described in detail with reference to the drawings.
1 to 7 are for explaining this embodiment.
<構成>以下、この実施例の構成について説明する。 <Configuration> The configuration of this embodiment will be described below.
この実施例にかかる触感発生装置1は、例えば、図1、図2に示すような状態で車両の内装品2などに対して適用される。 The tactile sensation generating device 1 according to this embodiment is applied to, for example, an interior part 2 of a vehicle in a state as shown in FIGS.
そして、図3(〜図5)に示すように、触感発生装置1を、振動部材3の裏面3a側に、振動発生デバイス4を設置したものとする。 Then, as shown in FIG. 3 (to FIG. 5), it is assumed that the tactile sensation generating device 1 is provided with a vibration generating device 4 on the back surface 3 a side of the vibration member 3.
ここで、触感発生装置1は、人工的に触感を生じさせる装置のことである。触感発生装置1は、振動部材3の表面3bに指を触れた時に、振動部材3の振動を触感として指に感じさせるものである。 Here, the tactile sensation generating device 1 is a device that artificially generates a tactile sensation. The tactile sensation generating device 1 makes the finger feel the vibration of the vibration member 3 as a tactile sensation when the finger touches the surface 3b of the vibration member 3.
振動部材3は、振動によって触感を生じさせるために設けられる部材である。振動部材3は、触れる面(表面3b)が存在するように、所要の面形状を有する部材(面状部材)とするのが好ましい。振動部材3は、それ自体で一つの物品を構成するものとしても良いし、例えば、物品の表面側に取付けられて物品の一部を構成するものとしても良い。振動部材3の裏面3aは、振動発生デバイス4が外部から直接目視できないように隠れた面にするのが好ましい。 The vibration member 3 is a member provided to generate a tactile sensation by vibration. The vibration member 3 is preferably a member (planar member) having a required surface shape so that a touch surface (surface 3b) exists. The vibration member 3 itself may constitute one article, or may be attached to the surface side of the article to constitute a part of the article, for example. The back surface 3a of the vibration member 3 is preferably a hidden surface so that the vibration generating device 4 cannot be directly seen from the outside.
振動部材3は、振動し易い部材で構成するのが好ましい。また、振動部材3は、振動し易い状態で設置するのが好ましい。そして、振動部材3の振動し易い部位に対して振動発生デバイス4を設置するのが好ましい。例えば、振動部材3は、物品や外部の部材に対する固定点やその周辺が振動し難い部位となり、固定点から離れた位置が振動し易い部位となる。よって、振動発生デバイス4は、振動部材3の上記固定点から離れた位置に設置するのが、振動発生デバイス4によって振動部材3を振動させ易くする上では好ましい。そのために、振動発生デバイス4は、例えば、複数の上記固定点間の中間部などに設置するのが良い。 The vibration member 3 is preferably composed of a member that easily vibrates. Moreover, it is preferable to install the vibration member 3 in a state in which it can easily vibrate. And it is preferable to install the vibration generating device 4 in the site | part which the vibration member 3 tends to vibrate. For example, the vibration member 3 is a portion where the fixed point with respect to the article or an external member and its periphery are difficult to vibrate, and a position away from the fixed point is a portion that is easy to vibrate. Therefore, it is preferable that the vibration generating device 4 is installed at a position away from the fixed point of the vibration member 3 in order to easily vibrate the vibration member 3 by the vibration generating device 4. Therefore, the vibration generating device 4 is preferably installed at, for example, an intermediate portion between the plurality of fixed points.
振動発生デバイス4は、振動部材3に振動を発生させるために形成されたアクチュエータである。振動発生デバイス4は、振動部材3における振動を発生させたい部位に対して単数または複数設けるようにする。振動部材3で振動を発生させる部位は、1箇所でも複数箇所でも良い。振動発生デバイス4は、振動部材3の裏面3aに直接固定しても良いし、または、振動部材3が取付けられる物品や外部の部材に固定することで、振動部材3の裏面3aと対向するように設置されても良い。 The vibration generating device 4 is an actuator formed for generating vibration in the vibration member 3. One or a plurality of vibration generating devices 4 are provided for a portion of the vibration member 3 where vibration is to be generated. The vibration member 3 may generate vibration at one location or multiple locations. The vibration generating device 4 may be directly fixed to the back surface 3a of the vibration member 3, or may be fixed to an article to which the vibration member 3 is attached or an external member so as to face the back surface 3a of the vibration member 3. May be installed.
振動発生デバイス4を振動部材3の裏面3aに直接固定した場合には、振動部材3は、振動発生デバイス4を固定した部位が固定点となって振動し難くなるため、振動範囲が狭く限定され、また、得られる振動の振幅も小さくなる。これに対し、振動発生デバイス4を、振動部材3の裏面3aに直接固定せずに、振動部材3が取付けられる物品や外部の部材に固定した場合には、振動部材3は、振動発生デバイス4の周辺部位の振動が妨げられないため、上記よりも振動範囲は広くなり、また、得られる振動の振幅も大きくなる。よって、触感発生装置1の設置目的に合わせて振動発生デバイス4の設置の仕方を選択することで、振動部材3の振動の範囲や振動の仕方を最適に設定・調整できる。この実施例では、振動発生デバイス4を、振動部材3が取付けられる物品や外部の部材に固定することで、広い範囲に大きな振動を生じさせ得るようにしている。 When the vibration generating device 4 is directly fixed to the back surface 3a of the vibration member 3, the vibration member 3 is less likely to vibrate because the portion where the vibration generating device 4 is fixed becomes a fixed point, and thus the vibration range is limited to be narrow. Moreover, the amplitude of the vibration obtained is also reduced. On the other hand, when the vibration generating device 4 is not directly fixed to the back surface 3 a of the vibration member 3 but is fixed to an article to which the vibration member 3 is attached or an external member, the vibration member 3 is Therefore, the vibration range is wider than the above, and the amplitude of the vibration obtained is also increased. Therefore, by selecting the installation method of the vibration generating device 4 according to the installation purpose of the tactile sensation generating device 1, the vibration range and the vibration method of the vibration member 3 can be set and adjusted optimally. In this embodiment, the vibration generating device 4 is fixed to an article to which the vibration member 3 is attached or an external member so that a large vibration can be generated over a wide range.
上記のような構成に対し、この実施例では、以下のような構成を備えている。 In contrast to the above-described configuration, this embodiment has the following configuration.
(1)振動発生デバイス4が、振動部材3に対して近接離反動可能な可動鉄心21と、通電によって可動鉄心21を振動部材3側へ変位させるコイル22とを有するソレノイド23とされる。
そして、振動発生前に、可動鉄心21を振動部材3の裏面3aに当接配置可能な当接手段24を備えるようにする。
(1) The vibration generating device 4 is a solenoid 23 having a movable iron core 21 that can move close to and away from the vibrating member 3 and a coil 22 that displaces the movable iron core 21 toward the vibrating member 3 when energized.
Then, before the vibration is generated, the movable iron core 21 is provided with a contact means 24 that can be placed in contact with the back surface 3 a of the vibration member 3.
ここで、振動部材3は、ソレノイド23を用いて振動を発生させられれば弾性変形しないようなもの(例えば、張力を付与した布状体や索状体のようなもの)であっても良いが、振動を発生させ易くするために、また、ソレノイド23の負担を小さくするために、振動部材3は、弾性変形可能な部材で構成するのが好ましい。ソレノイド23の押圧による振動部材3の変形量は、指で触って明確に感じ取れる程度の振動が得られれば、僅かでも良い。振動部材3は、少なくとも、ソレノイド23を設置した部分が振動すれば良い。 Here, the vibrating member 3 may be a member that does not elastically deform if vibration is generated using the solenoid 23 (for example, a cloth-like body or a cord-like body to which tension is applied). In order to facilitate the generation of vibration and to reduce the burden on the solenoid 23, the vibration member 3 is preferably composed of an elastically deformable member. The amount of deformation of the vibration member 3 due to the pressing of the solenoid 23 may be small as long as vibration that can be clearly felt by touching with a finger is obtained. The vibration member 3 only needs to vibrate at least a portion where the solenoid 23 is installed.
そのために、振動部材3は、それ自体で形状を保持可能な形状保持性を有するものとするのが好ましい。また、振動部材3は、ソレノイド23の押圧力によって弾性変形し、押圧力の解除によって形状復帰が可能な程度の可撓性や柔軟性や靭性を有するのが好ましい。そして、振動部材3には、比較的硬質な材質で比較的薄肉のものを用いるのが好ましい。振動部材3は、例えば、硬質樹脂製や金属製や木製などの薄板材またはパネル材とするのが好ましい。 Therefore, it is preferable that the vibration member 3 has a shape retaining property capable of retaining the shape by itself. Moreover, it is preferable that the vibration member 3 has flexibility, softness, and toughness that can be elastically deformed by the pressing force of the solenoid 23 and can be restored by releasing the pressing force. The vibrating member 3 is preferably made of a relatively hard material and relatively thin. The vibration member 3 is preferably made of a thin plate material or panel material such as hard resin, metal, or wood.
近接離反動は、振動部材3に近付く方向への動きと、振動部材3から離れる方向への動きのことである。 The approaching / separating movement is a movement toward the vibration member 3 and a movement away from the vibration member 3.
ソレノイド23は、棒状の可動鉄心21と、可動鉄心21を内部に収容し得るように筒状に巻かれたコイル22とを備えた電磁的なアクチュエータのことである。ソレノイド23は、コイル22に通電することで電磁力が発生されて可動鉄心21がコイル22に対し軸線方向(または長手方向)の一側(振動部材3の側)へ強制的に変位される(突出動)。これにより、振動部材3は、押圧されて変形される。ソレノイド23は、コイル22への通電を停止することで電磁力がなくなって可動鉄心21が他側(振動部材3とは反対側)へ戻される(引込動)。これにより、振動部材3は、形状復帰される。可動鉄心21の移動には可動鉄心21の自重なども利用できる。可動鉄心21は、コイル22の両端部からハミ出し得るように、コイル22よりも軸線方向に長く延ばされており、コイル22に通電している時には、可動鉄心21の一側(突出側)が他側(引込側)よりも大きくコイル22から突出される。 The solenoid 23 is an electromagnetic actuator including a rod-shaped movable iron core 21 and a coil 22 wound in a cylindrical shape so that the movable iron core 21 can be accommodated therein. In the solenoid 23, an electromagnetic force is generated by energizing the coil 22, and the movable iron core 21 is forcibly displaced with respect to the coil 22 in one axial direction (or longitudinal direction) (the vibration member 3 side) ( Protruding movement). Thereby, the vibration member 3 is pressed and deformed. When the solenoid 23 stops energizing the coil 22, the electromagnetic force disappears and the movable iron core 21 is returned to the other side (the side opposite to the vibrating member 3) (retraction movement). As a result, the shape of the vibrating member 3 is restored. For the movement of the movable iron core 21, the weight of the movable iron core 21 can be used. The movable iron core 21 extends longer in the axial direction than the coil 22 so that it can be pulled out from both ends of the coil 22. When the coil 22 is energized, one side (protruding side) of the movable iron core 21. Projecting from the coil 22 larger than the other side (retraction side).
ソレノイド23は、筒状のケース25の内部にコイル22を収容した構成を備えており、コイル22は、ケース25に対して同心に配置される。可動鉄心21は、少なくともケース25の一側から外部に突出可能とされる。ソレノイド23は、可動鉄心21を、振動部材3と交差する方向、特に、振動部材3とほぼ面直な方向へ向けた状態で、ケース25一側を振動部材3の裏面3a側へ向けて設置される。 The solenoid 23 has a configuration in which a coil 22 is accommodated in a cylindrical case 25, and the coil 22 is disposed concentrically with respect to the case 25. The movable iron core 21 can project outward from at least one side of the case 25. The solenoid 23 is installed with one side of the case 25 facing the back surface 3a side of the vibration member 3 in a state in which the movable iron core 21 is directed in a direction intersecting the vibration member 3, particularly in a direction substantially perpendicular to the vibration member 3. Is done.
ケース25は、振動部材3と反対の側(ケース25の他側)が有底となっている。コイル22の他端部と、ケース25の底面25aとの間には第一のスペース26が形成される。第一のスペース26は、可動鉄心21の他側の端部(他端部)の可動範囲よりも軸線方向に長くなっており、可動鉄心21の他端部は、第一のスペース26の内部に収容された状態で軸線方向へ移動される。 The case 25 has a bottom on the side opposite to the vibrating member 3 (the other side of the case 25). A first space 26 is formed between the other end of the coil 22 and the bottom surface 25 a of the case 25. The first space 26 is longer in the axial direction than the movable range of the other end (other end) of the movable iron core 21, and the other end of the movable iron core 21 is inside the first space 26. And moved in the axial direction in a state of being accommodated in the container.
ケース25は、振動部材3の側(ケース25の一側)が底面25aとほぼ平行な仕切部25bで仕切られる。コイル22は、ケース25の仕切部25bと底面25aとの間の空間に収容され、コイル22の一端部は仕切部25bの他面側に固定されている。コイル22の他端部は、上記第一のスペース26を画成している。 The case 25 is partitioned by a partition portion 25b whose side of the vibration member 3 (one side of the case 25) is substantially parallel to the bottom surface 25a. The coil 22 is accommodated in a space between the partition portion 25b and the bottom surface 25a of the case 25, and one end portion of the coil 22 is fixed to the other surface side of the partition portion 25b. The other end of the coil 22 defines the first space 26.
ケース25は、仕切部25bよりも振動部材3の側の部分が、振動部材3のほぼ裏面3aの位置まで延びる延長部25cになっている。延長部25cの端部には、フランジ部25dを設けることができる。フランジ部25dは、振動部材3の裏面3aに当接されても良いし、間隔を有して離間されても良い。 In the case 25, a portion closer to the vibration member 3 than the partition portion 25 b is an extension portion 25 c that extends to the position of the substantially back surface 3 a of the vibration member 3. A flange portion 25d can be provided at the end of the extension portion 25c. The flange portion 25d may be in contact with the back surface 3a of the vibration member 3, or may be spaced apart.
フランジ部25dが、振動部材3の裏面3aに当接される場合、フランジ部25dは、振動部材3の裏面3aに固定しても良いし、固定しなくても良い。フランジ部25dを振動部材3の裏面3aに固定しない場合や、フランジ部25dが振動部材3の裏面3aから離間される場合には、ケース25は、振動部材3とは別の部材に取付けられる。フランジ部25dの振動部材3との対向面には、クッション材を設けて振動部材3に対する当たりを和らげ得るようにしても良い。 When the flange portion 25d is brought into contact with the back surface 3a of the vibration member 3, the flange portion 25d may or may not be fixed to the back surface 3a of the vibration member 3. When the flange portion 25 d is not fixed to the back surface 3 a of the vibration member 3 or when the flange portion 25 d is separated from the back surface 3 a of the vibration member 3, the case 25 is attached to a member different from the vibration member 3. A cushion material may be provided on the surface of the flange portion 25d facing the vibration member 3 so that the contact with the vibration member 3 can be reduced.
延長部25c(またはフランジ部25d)の内側となる、仕切部25bと振動部材3の裏面3aとの間の部分には、第二のスペース27が形成される。第二のスペース27の軸線方向の寸法は、可動鉄心21の一側の端部(先端部)が最大に突出した時にフランジ部25dの外側へ突出され、最大に引込められた時に、フランジ部25dの内側に収容される長さとされる。 A second space 27 is formed in a portion between the partition portion 25b and the back surface 3a of the vibration member 3 that is inside the extension portion 25c (or the flange portion 25d). The dimension of the second space 27 in the axial direction is such that when one end portion (tip portion) of the movable iron core 21 protrudes to the maximum, it protrudes to the outside of the flange portion 25d, and when retracted to the maximum, the flange portion The length is accommodated inside 25d.
触感発生装置1における可動鉄心21の状況について説明すると、可動鉄心21の一側の端部(先端部)は、振動部材3の裏面3aに対して結合・固定されないように振動部材3の裏面3aから切離される。 The situation of the movable iron core 21 in the tactile sensation generating device 1 will be described. The end portion (tip portion) on one side of the movable iron core 21 is not coupled and fixed to the rear surface 3a of the vibration member 3. Disconnected from.
可動鉄心21の先端部は、当接手段24がなければ、(非通電状態の時に)引っ込められて振動部材3の裏面3aから離れた状態になる。当接手段24を設けることで、図6に示すように、可動鉄心21の先端部は、ケース25の一端側から外方へ最大突出位置まで突出するように当接手段24で付勢される。可動鉄心21の先端部は、振動部材3の裏面3aによって押さえられることで、図3に示すように、最大突出位置と最大引込位置との中間位置まで引っ込められて振動部材3の裏面3aに当接した状態で待機されることになる(待機状態)。 If the contact means 24 is not provided, the tip of the movable iron core 21 is retracted (in a non-energized state) and is separated from the back surface 3 a of the vibration member 3. By providing the contact means 24, as shown in FIG. 6, the tip of the movable iron core 21 is urged by the contact means 24 so as to protrude outward from one end side of the case 25 to the maximum projecting position. . The tip of the movable iron core 21 is pressed by the back surface 3a of the vibration member 3, and is retracted to an intermediate position between the maximum protruding position and the maximum retracted position as shown in FIG. You will be waiting in contact (standby state).
そして、可動鉄心21の先端部は、待機状態からコイル22に通電することで、図4に示すように、通常時の振動部材3の裏面3aの位置を越えて最大突出位置まで強制的に突出される。この通電による可動鉄心21の突出動によって、振動部材3は、待機状態となっている時の形状に対して、表面側へ突出した形状に押圧変形させられる。なお、この時の可動鉄心21の先端部の位置は、図6の時と同じになる。 And the front-end | tip part of the movable iron core 21 is forcedly protruded to the maximum protrusion position beyond the position of the back surface 3a of the vibration member 3 at the normal time, as shown in FIG. Is done. Due to the protruding movement of the movable iron core 21 by this energization, the vibration member 3 is pressed and deformed into a shape protruding to the surface side with respect to the shape when in the standby state. In addition, the position of the front-end | tip part of the movable iron core 21 at this time becomes the same as the time of FIG.
当接手段24は、待機状態の時に可動鉄心21を振動部材3の裏面3aに当接させ得ればどのようなものを使っても良い。好ましくは、当接手段24は、後述のようにする。 Any contact means 24 may be used as long as the movable iron core 21 can be brought into contact with the back surface 3a of the vibration member 3 in the standby state. Preferably, the contact means 24 is as described below.
(2)当接手段24は、可動鉄心21を振動部材3の裏面3aへ向けて付勢する弾性当接部材31としても良い。 (2) The contact means 24 may be an elastic contact member 31 that urges the movable iron core 21 toward the back surface 3 a of the vibration member 3.
ここで、当接手段24(または当接部)には、例えば、ソレノイド23と同様の別のアクチュエータ(駆動手段)を用いることができる。しかし、振動発生デバイス4の構造をシンプルにするためには弾性当接部材31を用いた構成にするのが好ましい。 Here, for the contact means 24 (or contact portion), for example, another actuator (drive means) similar to the solenoid 23 can be used. However, in order to simplify the structure of the vibration generating device 4, it is preferable that the elastic contact member 31 is used.
弾性当接部材31は、弾性力を利用して、可動鉄心21を振動部材3の裏面3aに当接させる部材(弾性部材)である。弾性当接部材31は、振動部材3が形状を維持可能な弾性力で可動鉄心21を振動部材3の裏面3aへ向けて付勢するのが好ましい。振動部材3が形状を維持可能な弾性力とは、振動部材3が、待機状態にて弾性当接部材31の弾性力によって当接されている時に、振動部材3の変形が外部から分からない程度に抑えられる程度の弾性力のことである。 The elastic contact member 31 is a member (elastic member) that makes the movable iron core 21 contact the back surface 3 a of the vibration member 3 using an elastic force. The elastic contact member 31 preferably biases the movable iron core 21 toward the back surface 3a of the vibration member 3 with an elastic force that allows the vibration member 3 to maintain its shape. The elastic force capable of maintaining the shape of the vibrating member 3 is such that deformation of the vibrating member 3 is not recognized from the outside when the vibrating member 3 is in contact with the elastic force of the elastic contact member 31 in the standby state. It is an elastic force that can be suppressed to a low level.
上記したように、振動発生デバイス4が振動部材3で覆われていない場合には、可動鉄心21は、弾性当接部材31で押されることで、振動部材3の裏面3aの位置を越え最大突出位置まで突出される(図6)。この状態で、振動発生デバイス4の上に振動部材3を設けると、図3に示すように、可動鉄心21は、振動部材3に押え込まれて、可動範囲の中間位置まで引っ込められ、振動部材3の裏面3aに当接した状態になる(待機状態)。この時に、振動部材3には、可動鉄心21を介して弾性当接部材31の弾性力が作用されるが、弾性当接部材31の弾性力を上記のようにすることで、振動部材3は、この弾性当接部材31の弾性力によってほとんど変形されなくなるので、弾性力を加える前とほぼ同じ形状に保たれる。よって、振動部材3の形状に悪影響を与えることがない。 As described above, when the vibration generating device 4 is not covered with the vibration member 3, the movable iron core 21 is pushed by the elastic abutting member 31, thereby exceeding the position of the back surface 3 a of the vibration member 3 and protruding maximum. Projected to position (FIG. 6). When the vibration member 3 is provided on the vibration generating device 4 in this state, as shown in FIG. 3, the movable iron core 21 is pressed into the vibration member 3 and retracted to an intermediate position of the movable range. 3 is in contact with the back surface 3a of the 3 (standby state). At this time, the elastic force of the elastic contact member 31 is applied to the vibration member 3 via the movable iron core 21. By setting the elastic force of the elastic contact member 31 as described above, the vibration member 3 is Since the elastic contact member 31 is hardly deformed by the elastic force, the elastic contact member 31 is kept in the same shape as before the elastic force is applied. Therefore, the shape of the vibration member 3 is not adversely affected.
弾性当接部材31には、当接用バネや当接用弾性体を使用できる。当接用バネには、コイルスプリングなどのバネ(圧縮バネ)を使用できる。また、当接用弾性体には、ゴムなどの弾性材を使用できる。この場合、弾性当接部材31には振動部材3の形状保持力よりも弾性力が弱い弾性部材を用いる(弾性当接部材31の弾性力<振動部材3の形状保持力)。 As the elastic contact member 31, a contact spring or a contact elastic body can be used. A spring (compression spring) such as a coil spring can be used as the contact spring. Further, an elastic material such as rubber can be used for the contact elastic body. In this case, an elastic member whose elastic force is weaker than the shape holding force of the vibration member 3 is used as the elastic contact member 31 (elastic force of the elastic contact member 31 <shape holding force of the vibration member 3).
但し、待機状態にて弾性当接部材31の弾性力によって当接されて変形した時の形状を振動部材3の初期形状に設定しても良い。この場合には、弾性当接部材31は振動部材3の形状保持力よりも弾性力が強い弾性部材を用いることが可能である。 However, the shape of the vibrating member 3 may be set to the initial shape of the vibrating member 3 when it is deformed by being abutted by the elastic force of the elastic abutting member 31 in the standby state. In this case, the elastic contact member 31 can be an elastic member having a stronger elastic force than the shape holding force of the vibration member 3.
弾性当接部材31は、ソレノイド23の引込側(第一のスペース26)や、ソレノイド23の突出側(第二のスペース27)に設置できる。 The elastic contact member 31 can be installed on the retracting side (first space 26) of the solenoid 23 or on the protruding side (second space 27) of the solenoid 23.
ソレノイド23の引込側に弾性当接部材31を設置する場合、図3に示すように、弾性当接部材31は、ケース25の底部と可動鉄心21の引込側の端部(または端部近傍)に設けた第一のフランジ部35との間に介装する。 When the elastic contact member 31 is installed on the retracting side of the solenoid 23, as shown in FIG. 3, the elastic contact member 31 includes the bottom of the case 25 and the end of the movable iron core 21 on the retracting side (or in the vicinity of the end). The first flange portion 35 provided between the first flange portion 35 and the first flange portion 35 is interposed.
ソレノイド23の突出側に弾性当接部材31を設置する場合、図7に示すように、弾性当接部材31は、仕切部25bと可動鉄心21の突出側の端部(または端部近傍)に設けた第二のフランジ部36との間に介装する。 When the elastic contact member 31 is installed on the projecting side of the solenoid 23, the elastic contact member 31 is provided at the projecting end of the partition 25b and the movable iron core 21 (or in the vicinity of the end) as shown in FIG. It is interposed between the provided second flange portion 36.
弾性当接部材31が当接用バネ(コイルスプリング)の場合、当接用バネは可動鉄心21に対して外嵌できる。また、弾性当接部材31がゴムなどの弾性材の場合、弾性材はリング状にすることで可動鉄心21に対して外嵌できる。 When the elastic contact member 31 is a contact spring (coil spring), the contact spring can be fitted onto the movable core 21. Further, when the elastic contact member 31 is an elastic material such as rubber, the elastic material can be externally fitted to the movable iron core 21 by forming a ring shape.
(3)コイル22への通電を停止した時に、可動鉄心21の振動部材3に対する離反動を早める戻り助勢手段41を備えても良い。 (3) When the energization to the coil 22 is stopped, a return assisting means 41 that accelerates the separation of the movable iron core 21 with respect to the vibrating member 3 may be provided.
ここで、コイル22への通電を停止した時とは、振動部材3に振動を発生させるために可動鉄心21に作用させた電磁力をなくした時のことである。離反動は、可動鉄心21が振動部材3から離間しない場合と、図5に示すように、可動鉄心21が振動部材3から離間する場合との両方を含むことができる。可動鉄心21が振動部材3から離間しない場合は、例えば、可動鉄心21の動きに追従して振動部材3が変形や変位を起こすことで生じ得る。可動鉄心21が振動部材3から離間する場合は、例えば、可動鉄心21の動きに追従せずに振動部材3が変形や変位を起こすことで生じ得る。 Here, when the energization of the coil 22 is stopped is when the electromagnetic force applied to the movable iron core 21 to cause the vibration member 3 to generate vibration is lost. The separation movement can include both a case where the movable iron core 21 is not separated from the vibrating member 3 and a case where the movable iron core 21 is separated from the vibrating member 3 as shown in FIG. When the movable iron core 21 is not separated from the vibration member 3, for example, it can be caused by causing the deformation or displacement of the vibration member 3 following the movement of the movable iron core 21. In the case where the movable iron core 21 is separated from the vibration member 3, for example, it can be caused by the vibration member 3 being deformed or displaced without following the movement of the movable iron core 21.
戻り助勢手段41(または戻り助勢部)は、可動鉄心21の振動部材3に対する離反動の速度を早めることができれば、どのようなものでも良い。好ましくは、戻り助勢手段41は、後述のようにする。 The return assisting means 41 (or the return assisting unit) may be anything as long as it can increase the speed of the separation movement of the movable iron core 21 with respect to the vibration member 3. Preferably, the return assisting means 41 is as described later.
(4)戻り助勢手段41は、可動鉄心21を振動部材3から離反する方向へ付勢する弾性引戻部材51としても良い。 (4) The return assisting means 41 may be an elastic pullback member 51 that biases the movable iron core 21 in a direction away from the vibration member 3.
ここで、戻り助勢手段41には、例えば、ソレノイド23と同様の別のアクチュエータ(駆動手段)を用いることができる。しかし、振動発生デバイス4の構造をシンプルにするためには、戻り助勢手段41に弾性引戻部材51を用いるのが好ましい。 Here, for the return assisting means 41, for example, another actuator (driving means) similar to the solenoid 23 can be used. However, in order to simplify the structure of the vibration generating device 4, it is preferable to use the elastic pullback member 51 for the return assisting means 41.
弾性引戻部材51は、作動状態で、コイル22へ通電して可動鉄心21を突出させている時に撓められて弾性力を蓄積する。弾性引戻部材51は、また、待機状態の時に弾性当接部材31の弾性力によって撓め得るように弾性当接部材31の弾性力よりもの弾性力が弱い弾性部材で構成しても良い(弾性引戻部材51の弾性力<弾性当接部材31の弾性力)。 The elastic pull-back member 51 is deflected and accumulates an elastic force when the coil 22 is energized to cause the movable iron core 21 to protrude in an operating state. The elastic pull-back member 51 may also be constituted by an elastic member whose elastic force is weaker than the elastic force of the elastic contact member 31 so that it can be bent by the elastic force of the elastic contact member 31 in a standby state ( Elastic force of elastic pullback member 51 <elastic force of elastic contact member 31).
弾性引戻部材51には、引戻用バネや引戻用弾性体を使用できる。引戻用バネには、コイルスプリングなどのバネ(圧縮バネ)を使用できる。また、引戻用弾性体には、ゴムなどの弾性材を使用できる。 The elastic pullback member 51 can be a pullback spring or a pullback elastic body. A spring (compression spring) such as a coil spring can be used as the retracting spring. Moreover, an elastic material such as rubber can be used for the pulling elastic body.
弾性引戻部材51は、ソレノイド23の引込側(第一のスペース26)や、ソレノイド23の突出側(第二のスペース27)に設置できる。 The elastic pullback member 51 can be installed on the retracting side of the solenoid 23 (first space 26) or on the protruding side of the solenoid 23 (second space 27).
ソレノイド23の引込側に弾性引戻部材51を設置する場合、図3に示すように、弾性引戻部材51は、コイル22の他端部と可動鉄心21の引込側の端部の途中に設けた第一のフランジ部35との間に介装する。 When the elastic retracting member 51 is installed on the retracting side of the solenoid 23, the elastic retracting member 51 is provided in the middle of the other end of the coil 22 and the retracting end of the movable iron core 21 as shown in FIG. 3. The first flange portion 35 is interposed.
ソレノイド23の突出側に弾性引戻部材51を設置する場合、図7に示すように、弾性引戻部材51は、振動部材3の裏面3aと可動鉄心21の突出側の端部(または端部近傍)との間に設けた第二のフランジ部36との間に介装する。 When the elastic pullback member 51 is installed on the protruding side of the solenoid 23, the elastic pullback member 51 is connected to the rear surface 3 a of the vibration member 3 and the end portion (or end portion) of the movable iron core 21 on the protruding side, as shown in FIG. It is interposed between the second flange portion 36 provided in the vicinity thereof.
弾性引戻部材51が引戻用バネ(コイルスプリング)の場合、引戻用バネは、可動鉄心21に対して外嵌できる。また、弾性引戻部材51がゴムなどの弾性材の場合、弾性材はリング状にすることで可動鉄心21に対して外嵌できる。 When the elastic pullback member 51 is a pullback spring (coil spring), the pullback spring can be externally fitted to the movable iron core 21. Further, when the elastic pullback member 51 is an elastic material such as rubber, the elastic material can be externally fitted to the movable iron core 21 by forming a ring shape.
(5)図1、図2に示すように、振動部材3は、車両61に設置される内装品2に設けられても良い。 (5) As shown in FIGS. 1 and 2, the vibration member 3 may be provided in the interior part 2 installed in the vehicle 61.
ここで、振動部材3は、例えば、建物の室内に設置される内装品2などに対して設けることもできるが、車両61の車室内に設置される内装品2に設けても良い。内装品2は、室内や車室内に設けられる機器や物品や装飾品のことである。振動部材3は、内装品2の表面意匠を構成するものに設置しても良いし、または、触感が感じ取れるのであれば、内装品2の内奥部に外から見えないように設置しても良い。 Here, the vibration member 3 can be provided, for example, for the interior part 2 installed in the room of the building, but may be provided in the interior part 2 installed in the vehicle interior of the vehicle 61. The interior item 2 is a device, an article, or a decoration provided in the room or the vehicle interior. The vibration member 3 may be installed on the surface design of the interior product 2, or may be installed so as not to be visible from the outside inside the interior product 2 if a tactile sensation can be felt. good.
車両61(の車室内)に設置される内装品2には、例えば、インストルメントパネルやセンターコンソールなどの各種の内装パネル62(車両用内装パネル)がある。更に、これらの内装品2には、サブパネルやフィニッシャーなどの補助的な内装品2を適宜取付けることができる。インストルメントパネルやセンターコンソールやサブパネルやフィニッシャーなどの内装品2は、デザイン上、複雑な三次元形状を有している。 The interior goods 2 installed in the vehicle 61 (vehicle interior) include various interior panels 62 (vehicle interior panels) such as an instrument panel and a center console. Furthermore, auxiliary interior products 2 such as sub-panels and finishers can be appropriately attached to these interior products 2. The interior parts 2 such as an instrument panel, a center console, a sub panel, and a finisher have a complicated three-dimensional shape in terms of design.
この実施例では、インストルメントパネルやセンターコンソールなどの内装品2、またはこれらの内装品2に取付けられる補助的な内装品2を、振動部材3として用いるようにしている。 In this embodiment, an interior part 2 such as an instrument panel or a center console or an auxiliary interior part 2 attached to these interior parts 2 is used as the vibration member 3.
(6)振動発生デバイス4は、内装品2に設置されたタッチセンサースイッチ65の周囲に設けても良い。 (6) The vibration generating device 4 may be provided around the touch sensor switch 65 installed in the interior product 2.
一般に、車両61では、内装品2を構成するインストルメントパネルやセンターコンソールの部分に、スイッチパネルを設けたものがある。通常の場合、スイッチパネルは、インストルメントパネルやセンターコンソールなどの内装品2や、サブパネルやフィニッシャーなどの補助的な内装品2とは別部材で構成されており、スイッチパネルの表面には、指で実際に押込むスイッチボタン(実ボタン)が配置されている。 In general, some vehicles 61 are provided with a switch panel in an instrument panel or a center console constituting the interior product 2. Normally, the switch panel is composed of a separate member from the interior 2 such as the instrument panel and the center console and the auxiliary interior 2 such as the sub-panel and finisher. The switch button (actual button) that is actually pushed in is arranged.
これに対し、この実施例では、インストルメントパネルやインストルメントパネルに取付けられるフィニッシャーなどの内装品2の裏面3a側にタッチセンサーによるスイッチ(タッチセンサースイッチ65)を設けることで、インストルメントパネルやフィニッシャー自体をスイッチパネルにしている。タッチセンサーは、振動部材3の表面3bへの接触や近接を検知するセンサーであり、スイッチとして使うことができる。これにより、インストルメントパネルから別部材で構成されたスイッチパネルをなくすことができ、指で実際に押込むスイッチボタンもなくすことができる。この実施例では、タッチセンサースイッチ65は、インストルメントパネルの車幅方向64のほぼ中央部に、空調装置(エアコン)の操作スイッチとして複数設けられている。 On the other hand, in this embodiment, a switch (touch sensor switch 65) by a touch sensor is provided on the back surface 3a side of the interior part 2 such as an instrument panel and a finisher attached to the instrument panel, thereby providing an instrument panel and a finisher. It is a switch panel. The touch sensor is a sensor that detects contact or proximity to the surface 3b of the vibration member 3, and can be used as a switch. Thereby, the switch panel comprised by another member can be eliminated from an instrument panel, and the switch button actually pushed with a finger can also be eliminated. In this embodiment, a plurality of touch sensor switches 65 are provided as operation switches of an air conditioner (air conditioner) at substantially the center in the vehicle width direction 64 of the instrument panel.
そして、車両61の内装品2(例えば、インストルメントパネルやフィニッシャーなど)にタッチセンサースイッチ65と共に触感発生装置1を設けて、タッチセンサースイッチ65が反応した時に直ちに触感発生装置1を作動させることで、タッチセンサースイッチ65への入力時に触感が発生するスイッチパネルが得られる。 Then, by providing the tactile sensation generating device 1 together with the touch sensor switch 65 on the interior 2 (for example, an instrument panel or finisher) of the vehicle 61, the tactile sensation generating device 1 is immediately activated when the touch sensor switch 65 reacts. Thus, a switch panel that produces a tactile sensation upon input to the touch sensor switch 65 is obtained.
インストルメントパネルやフィニッシャーには、タッチセンサースイッチ65を複数設けることができる。そして、触感発生装置1は、タッチセンサースイッチ65ごとに一対一の割合で設けるか、または、複数のタッチセンサースイッチ65に対して多対一の割合で設けるようにする。この場合、触感発生装置1は、振動部材3上のタッチセンサースイッチ65のいずれかに触れた時に指で振動が感じられる範囲内の位置に適宜設けられる。 A plurality of touch sensor switches 65 can be provided on the instrument panel and the finisher. The tactile sensation generating device 1 is provided for each touch sensor switch 65 in a one-to-one ratio, or is provided in a many-to-one ratio for the plurality of touch sensor switches 65. In this case, the tactile sensation generating device 1 is appropriately provided at a position within a range where vibration can be felt with a finger when one of the touch sensor switches 65 on the vibration member 3 is touched.
また、インストルメントパネルやフィニッシャーのタッチセンサースイッチ65を設けた部分を表示部66とする。表示部66は、タッチセンサースイッチ65の操作内容が分かる図柄にする。表示部66は、光が透過しない肉厚を有するフィニッシャーの一部に光を透過可能な薄肉の部分を設けたり、二色成形などによって透明樹脂の部分を埋設したりすることで、インストルメントパネルやフィニッシャーに形成される。タッチセンサースイッチ65を透明電極で構成し、表示部66の裏面3a側に、直接または導光部を介して光源を配置することで、表示部66が透過照明可能になる。 Further, a portion where the touch sensor switch 65 of the instrument panel or the finisher is provided is a display unit 66. The display unit 66 has a design that allows the operation content of the touch sensor switch 65 to be understood. The display unit 66 is provided with an instrument panel by providing a thin part capable of transmitting light in a part of a finisher having a thickness that does not transmit light, or by embedding a transparent resin part by two-color molding or the like. And formed in the finisher. The touch sensor switch 65 is formed of a transparent electrode, and a light source is disposed on the back surface 3a side of the display unit 66 directly or via a light guide unit, whereby the display unit 66 can be transmissively illuminated.
但し、車両61において触感発生装置1を設けることができる内装品2は、上記に限るものではなく、例えば、ハンドルやシートのような内装品2とすることができる。触感発生装置1をシートに設ける場合、振動部材3は、例えば、シートの枠組みを構成するシート枠にすることができる。シート枠はクッション材やカバーなどで覆われることによって外部から見えなくなる。触感発生装置1によって発生される振動は、クッション材やカバーを介してシートの表面に伝えられる大きさに設定する。 However, the interior product 2 in which the tactile sensation generating device 1 can be provided in the vehicle 61 is not limited to the above, and can be, for example, an interior product 2 such as a handle or a seat. When the tactile sensation generating device 1 is provided on a sheet, the vibration member 3 can be a sheet frame constituting a frame of the sheet, for example. The seat frame becomes invisible from the outside by being covered with a cushioning material or a cover. The vibration generated by the tactile sensation generating device 1 is set to a magnitude that is transmitted to the surface of the seat via a cushion material or a cover.
(7)以下、上記触感発生装置1を用いた触感発生方法について説明する。
触感発生方法は、振動部材3の裏面3a側に設置した振動発生デバイス4を用いて、振動部材3に振動を発生させることで触感を感じさせるものである。
振動発生デバイス4に、振動部材3に対して近接離反動可能な可動鉄心21と、通電によって可動鉄心21を振動部材3に押圧させるコイル22とを有するソレノイド23を用いる。
振動発生前に、図3に示すように、当接手段24を用いて可動鉄心21を振動部材3の裏面3aに当接した状態で待機させておく。
そして、図4に示すように、可動鉄心21を振動部材3に押し付けて振動部材3を押圧変形させた後に、図5に示すように、可動鉄心21を振動部材3から離反動させて振動部材3を形状復帰させることで、振動部材3に振動を発生させるようにする。
(7) Hereinafter, a tactile sensation generating method using the tactile sensation generating apparatus 1 will be described.
In the tactile sensation generation method, the tactile sensation is generated by causing the vibration member 3 to vibrate using the vibration generation device 4 installed on the back surface 3 a side of the vibration member 3.
A solenoid 23 having a movable iron core 21 that can move close to and away from the vibration member 3 and a coil 22 that presses the movable iron core 21 against the vibration member 3 by energization is used for the vibration generating device 4.
Before the vibration is generated, as shown in FIG. 3, the abutment means 24 is used to wait for the movable iron core 21 in contact with the back surface 3 a of the vibration member 3.
Then, as shown in FIG. 4, after the movable iron core 21 is pressed against the vibration member 3 and the vibration member 3 is pressed and deformed, the movable iron core 21 is moved away from the vibration member 3 as shown in FIG. By causing the shape of 3 to return, vibration is generated in the vibration member 3.
<作用>以下、この実施例の作用について説明する。 <Operation> The operation of this embodiment will be described below.
触感発生装置1は、振動部材3と振動発生デバイス4とを備えて、振動部材3の表面3bに触った時に、振動部材3の裏面3a側に設置された振動発生デバイス4で振動部材3に振動を発生させることにより、振動部材3の振動を触感として感じさせる、または、触感を強調する装置である。これにより、振動部材3の表面3bに触った者に人工的に実感(実際に何かを操作したかのような操作感)を与えることができる。 The tactile sensation generating device 1 includes a vibration member 3 and a vibration generation device 4, and when the surface 3 b of the vibration member 3 is touched, the vibration generation device 4 installed on the back surface 3 a side of the vibration member 3 is attached to the vibration member 3. By generating vibration, the vibration member 3 is a device that feels the vibration of the vibration member 3 as a tactile sensation or emphasizes the tactile sensation. Thereby, a person who touches the surface 3b of the vibration member 3 can be artificially given a feeling (operation feeling as if something was actually operated).
この際、振動部材3には弾性変形可能なものを用いるのが好ましい。これにより、振動発生デバイス4による振動部材3の振動が大きくなって、触感を感じ易くなる。 At this time, it is preferable to use an elastically deformable member for the vibrating member 3. Thereby, the vibration of the vibration member 3 by the vibration generating device 4 becomes large, and it becomes easy to feel a touch.
触感発生装置1は、例えば、タッチセンサースイッチ65を用いたタッチセンサースイッチ65などの入力装置と組合せることで、タッチセンサースイッチ65への入力時に触感(操作実感)が得られるように構成できる。また、触感発生装置1は、例えば、単独で設けることで、振動を利用して注意喚起を行わせるのに使うことができる。 The tactile sensation generating device 1 can be configured so as to obtain a tactile sensation (actual feeling of operation) when input to the touch sensor switch 65 by combining with an input device such as a touch sensor switch 65 using the touch sensor switch 65, for example. Moreover, the tactile sensation generating device 1 can be used, for example, to provide attention by using vibration by being provided alone.
<効果>この実施例によれば、以下のような効果を得ることができる。 <Effect> According to this embodiment, the following effects can be obtained.
(効果1)振動発生デバイス4を、可動鉄心21とコイル22とを有するソレノイド23で構成した。ソレノイド23は、コイル22に通電することで、可動鉄心21が電磁力で振動部材3に近接動(突出動)されて、振動部材3を裏面3a側から表面3b側へ向けて強制的に押圧変形させる。また、ソレノイド23は、コイル22への通電を停止することで、電磁力がなくなって可動鉄心21が振動部材3から離反動(引込動)されて、振動部材3に対する強制的な押圧変形が瞬時に解除される。このように、可動鉄心21による押圧力が瞬時になくなることで、押圧変形された振動部材3は、振動部材3が持つ弾性力によって急激に形状復帰しようとする。そのため、振動部材3に振動が発生し、この振動部材3の振動によって擬似的な触感が発生される。 (Effect 1) The vibration generating device 4 is composed of a solenoid 23 having a movable iron core 21 and a coil 22. The solenoid 23 energizes the coil 22 so that the movable iron core 21 is moved closer to the vibrating member 3 by electromagnetic force (protruding movement), and the vibrating member 3 is forcibly pressed from the back surface 3a side to the front surface 3b side. Deform. Further, the solenoid 23 stops energization to the coil 22, so that the electromagnetic force is lost and the movable iron core 21 is moved away (retracted) from the vibration member 3, and the forced pressing deformation on the vibration member 3 is instantaneously performed. Is released. Thus, the pressing force by the movable iron core 21 disappears instantaneously, so that the vibrating member 3 that has been pressed and deformed tends to return rapidly due to the elastic force of the vibrating member 3. Therefore, vibration is generated in the vibration member 3, and a pseudo tactile sensation is generated by the vibration of the vibration member 3.
そして、当接手段24を設けて、振動発生前に、可動鉄心21を振動部材3の裏面3aに当接させた状態で待機させている。このような待機状態にすることで、振動部材3を直接叩かずに、振動部材3に振動を発生させることが可能になる。この際、ソレノイド23は、可動鉄心21が振動部材3の裏面3aを直接叩くことなく作動するので、大きな打突音の発生をなくすことができる。また、振動部材3の振動は、振動部材3の弾性復帰力によって生じるので、振動部材3を叩いて無理に振動を発生させた場合と比べて、より自然な振動や触感が得られる。 Then, a contact means 24 is provided to wait in a state where the movable iron core 21 is in contact with the back surface 3a of the vibration member 3 before the vibration is generated. By setting such a standby state, it is possible to generate vibration in the vibration member 3 without directly hitting the vibration member 3. At this time, the solenoid 23 operates without the movable iron core 21 directly hitting the back surface 3a of the vibration member 3, so that it is possible to eliminate the generation of a large hitting sound. In addition, since the vibration of the vibration member 3 is generated by the elastic restoring force of the vibration member 3, more natural vibration and tactile sensation can be obtained as compared with the case where the vibration is generated by hitting the vibration member 3.
このように、振動部材3の押圧変形・弾性力による形状復帰を利用して、振動部材3を直接叩かずに振動部材3に振動を発生させる場合には、ソレノイド23のような比較的大型の振動発生デバイス4を用いるのが有効となる。 As described above, when the vibration member 3 is caused to vibrate without directly striking the vibration member 3 by utilizing the shape return due to the pressure deformation and elastic force of the vibration member 3, a relatively large size such as the solenoid 23 is used. It is effective to use the vibration generating device 4.
また、振動部材3の裏面3aに振動発生デバイス4を設置する際には、(振動部材3や振動発生デバイス4の)寸法バラ付きの影響を考慮する必要があるが、ソレノイド23は比較的大型の振動発生デバイス4であり、可動鉄心21の可動ストロークが大きいため、振幅が小さい他の小型の振動発生デバイスを用いる場合と比べて、寸法バラ付きの影響を受け難く、振動発生デバイス4の設置が容易となる。また、上記により、振動部材3の裏面3a側に振動発生デバイス4を設置するのに、特別なバラ付き吸収手段を設けなくて済む。よって、ソレノイド23を用いることで、寸法バラ付きの影響がなくなり、安定した作動が得られるので、構造的に有利になる。 Further, when the vibration generating device 4 is installed on the back surface 3a of the vibration member 3, it is necessary to consider the influence of the dimensional variation (of the vibration member 3 and the vibration generation device 4), but the solenoid 23 is relatively large. Since the movable iron core 21 has a large movable stroke, the vibration generating device 4 is less susceptible to variations in dimensions than the case of using other small vibration generating devices having a small amplitude. Becomes easy. Further, according to the above, it is not necessary to provide a special loose absorbing means for installing the vibration generating device 4 on the back surface 3a side of the vibration member 3. Therefore, the use of the solenoid 23 eliminates the influence of dimensional variation and provides a stable operation, which is structurally advantageous.
そして、振動部材3の裏面3aに振動発生デバイス4を設置する際の寸法バラ付きの影響は、待機状態の時に、当接手段24によって可動鉄心21が振動部材3の裏面3aに当接されるようにセットすることで簡単に吸収される。 The influence of the dimensional variation when the vibration generating device 4 is installed on the back surface 3a of the vibration member 3 is that the movable iron core 21 is brought into contact with the back surface 3a of the vibration member 3 in the standby state. It can be easily absorbed by setting.
(効果2)当接手段24には、弾性当接部材31を用いても良い。弾性当接部材31の弾性力を利用することで、待機状態の時に、可動鉄心21の先端部を可動範囲の中間位置まで突出させた状態で、振動部材3の裏面3aに軽く押当てさせるようにセットすることが容易且つ確実にできる。また、ソレノイド23によって振動部材3に振動を発生させる時にも、弾性当接部材31が振動の妨げになり難い。 (Effect 2) As the contact means 24, an elastic contact member 31 may be used. By using the elastic force of the elastic contact member 31, it is lightly pressed against the back surface 3 a of the vibration member 3 in a state in which the distal end portion of the movable iron core 21 protrudes to an intermediate position in the movable range in the standby state. Can be set easily and reliably. In addition, when the vibration is generated in the vibration member 3 by the solenoid 23, the elastic contact member 31 is unlikely to hinder vibration.
この際、当接手段24に、当接用バネや当接用弾性体などの弾性当接部材31を用いることで、例えば、当接手段24として別のアクチュエータを用いて別のアクチュエータを電気的に駆動する場合と比べて、当接手段24の構成を簡略化できる。 At this time, by using an elastic contact member 31 such as a contact spring or a contact elastic body for the contact means 24, for example, another actuator is used as the contact means 24 to electrically connect another actuator. Compared to the case of driving the motor, the configuration of the contact means 24 can be simplified.
なお、振動を発生させる作動状態の途中で、通電を停止して可動鉄心21が引込められる時に、可動鉄心21が振動部材3の裏面3aから一時的に離間して、再び振動部材3の裏面3aに当接するような現象が起こり得る。しかし、この現象によって可動鉄心21が振動部材3から離間する距離は僅かであり、離間後に再び可動鉄心21が振動部材3の裏面3aに当接する時も、振動発生デバイス4(による電磁力)ではなく弾性当接部材31の弾性力による当接になる。そのため、可動鉄心21が、振動部材3の裏面3aに対してそれほど強く当たることがないので、この当接による打突音は小さなものとなり、特に気にならない程度に抑えられる。 When the movable iron core 21 is retracted in the middle of the operation state that generates vibration, the movable iron core 21 is temporarily separated from the back surface 3a of the vibration member 3, and the back surface of the vibration member 3 again. A phenomenon that abuts against 3a may occur. However, due to this phenomenon, the distance that the movable iron core 21 is separated from the vibration member 3 is small, and even when the movable iron core 21 comes into contact with the back surface 3a of the vibration member 3 again after the separation, the vibration generating device 4 (electromagnetic force) causes The contact is caused by the elastic force of the elastic contact member 31. Therefore, since the movable iron core 21 does not hit the back surface 3a of the vibration member 3 so strongly, the impact sound due to this contact is small and can be suppressed to a level that is not particularly noticeable.
(効果3)振動を発生させる作動状態の途中で、コイル22への通電を停止した時に、可動鉄心21の振動部材3に対する離反動を早める戻り助勢手段41を備えても良い。このように、コイル22への通電を停止して電磁力がなくなった時に、戻り助勢手段41が可動鉄心21の振動部材3から離間する方向への動きを助勢することで、振動部材3に振動が発生するタイミング(振動部材3の応答速度)をより早くできる。 (Effect 3) You may provide the return assistance means 41 which speeds up the separation movement with respect to the vibration member 3 of the movable iron core 21, when the electricity supply to the coil 22 is stopped in the middle of the operation state which generates a vibration. As described above, when the energization to the coil 22 is stopped and the electromagnetic force is lost, the return assisting means 41 assists the movement of the movable iron core 21 in the direction away from the vibrating member 3, thereby vibrating the vibrating member 3. Can be made faster (response speed of the vibrating member 3).
(効果4)戻り助勢手段41は、弾性引戻部材51としても良い。弾性引戻部材51は、ソレノイド23の電磁力によって可動鉄心21が最大突出位置まで突出する時に、可動鉄心21の動きと共に撓められて弾性力が蓄積される。なお、弾性引戻部材51は、弾性当接部材31の押圧力によって可動鉄心21が中間位置まで突出する待機状態の時にも、僅かに撓められるように、弾性当接部材31よりも弱い弾性部材としても良い(弾性引戻部材51<弾性当接部材31)。 (Effect 4) The return assisting means 41 may be an elastic pullback member 51. When the movable iron core 21 protrudes to the maximum projecting position by the electromagnetic force of the solenoid 23, the elastic pull-back member 51 is bent along with the movement of the movable iron core 21, and the elastic force is accumulated. The elastic pull-back member 51 is weaker than the elastic contact member 31 so as to be slightly bent even in a standby state in which the movable iron core 21 protrudes to an intermediate position by the pressing force of the elastic contact member 31. It is good also as a member (elastic pull-back member 51 <elastic contact member 31).
この際、戻り助勢手段41に、引戻用バネや引戻用弾性体などの弾性引戻部材51を用いることで、例えば、戻り助勢手段41として別のアクチュエータを用いて別のアクチュエータを電気的に駆動する場合と比べて、戻り助勢手段41の構成を簡略化できる。 At this time, by using an elastic return member 51 such as a return spring or a return elastic body for the return assisting means 41, for example, another actuator is used as the return assisting means 41 to electrically connect another actuator. Compared with the case where it drives, the structure of the return assistance means 41 can be simplified.
具体的には、弾性引戻部材51(戻り助勢手段41)は、待機状態で弾性当接部材31によって可動鉄心21が振動部材3の裏面3aに予め軽く当接されている時には、弾性力がほとんど蓄積されていないか、或いは、弾性当接部材31によって僅かに撓められて弾性力が僅かに蓄積された状態になっている。この時、弾性当接部材31(当接手段24)は、可動鉄心21を振動部材3へ当接させることで蓄積していた弾性力の大部分が使われた状態になる。 Specifically, the elastic pull-back member 51 (return assisting means 41) has an elastic force when the movable iron core 21 is lightly contacted in advance with the back surface 3a of the vibration member 3 by the elastic contact member 31 in a standby state. Almost no accumulation is performed, or the elastic contact member 31 is slightly bent and the elastic force is slightly accumulated. At this time, the elastic contact member 31 (contact means 24) is in a state where most of the accumulated elastic force is used by bringing the movable iron core 21 into contact with the vibration member 3.
そして、コイル22への通電によって可動鉄心21が強制的に突出動されると、弾性引戻部材51は撓められて弾性力が最大に蓄積された状態になる。この時、弾性当接部材31(当接手段24)は、可動鉄心21が最大突出位置まで突出することでほぼ自然長またはその近くまで伸ばされて蓄積した弾性力がほとんど残っていない状態になる(または、自然長よりも伸ばされることで反対方向への弾性力が蓄積された状態になるようにしても良い)。 When the movable iron core 21 is forcibly protruded by energization of the coil 22, the elastic pullback member 51 is bent and the elastic force is accumulated to the maximum. At this time, the elastic contact member 31 (contact means 24) is in a state in which the movable iron core 21 protrudes to the maximum projecting position, so that the elastic force that is stretched to substantially the natural length or the vicinity thereof is hardly left. (Alternatively, the elastic force in the opposite direction may be accumulated by extending the natural length).
次いで、コイル22への通電を停止した時に、振動部材3に形状復帰が生じ、これと共に、弾性引戻部材51に蓄積された弾性力が一気に解放されて可動鉄心21を振動部材3から離反動する方向へ付勢することで、振動部材3自体の復元力や可動鉄心21の自重によって得られる振動部材3の応答速度よりも、弾性引戻部材51の弾性力が加わった分(通電を停止した時の弾性引戻部材51の弾性力と弾性当接部材31の弾性力との差分)だけ、振動部材3の応答速度が高められる(弾性引戻部材51がない場合の応答速度<弾性引戻部材51を設けた場合の応答速度)。この時、弾性当接部材31(当接手段24)には、再び可動鉄心21を振動部材3の裏面3aへ当接させるための弾性力が蓄積される。 Next, when the energization of the coil 22 is stopped, the vibration member 3 is restored to its shape, and at the same time, the elastic force accumulated in the elastic pullback member 51 is released at once, and the movable iron core 21 moves away from the vibration member 3. By energizing in the direction in which the elastic member 21 is elastic, the elastic force of the elastic pull-back member 51 is applied to the elastic member 3 rather than the restoring force of the vibrating member 3 itself or the response speed of the vibrating member 3 obtained by the dead weight of the movable iron core 21. The response speed of the vibrating member 3 is increased by the difference between the elastic force of the elastic pull-back member 51 and the elastic force of the elastic contact member 31 (response speed when there is no elastic pull-back member 51 <elastic pull). Response speed when the return member 51 is provided). At this time, the elastic force for bringing the movable iron core 21 into contact with the back surface 3a of the vibration member 3 again is accumulated in the elastic contact member 31 (contact means 24).
その後は、弾性当接部材31に蓄積された弾性力によって、可動鉄心21は再び待機状態(振動部材3の裏面3aに軽く当接した状態)に戻される。 Thereafter, the movable iron core 21 is again returned to the standby state (a state where it is lightly abutted against the back surface 3 a of the vibration member 3) by the elastic force accumulated in the elastic abutting member 31.
(効果5)振動部材3は、車両61に設置される内装品2に設けても良い。これにより、車両61の内装品2は触感発生機能を一体に有するものとなり、触感発生機能を備えた内装品2を容易に得ることができる。 (Effect 5) You may provide the vibration member 3 in the interior goods 2 installed in the vehicle 61. FIG. Thereby, the interior goods 2 of the vehicle 61 have a tactile sensation generating function integrally, and the interior goods 2 having the tactile sensation generating function can be easily obtained.
また、例えば、触感発生装置1を、車両61のハンドルやシートのような内装品2に単独で設けることで、運転中に車両61が検知した警告情報(例えば、歩行者の飛び出しや先行車の急な割込みや先行車の急停車に対する警告情報)を、内装品2を介して乗員の体へ素早く伝えて注意喚起を行わせることができる。警告情報は、例えば、自動運転を行うために車両61に設けた各種のセンサーやカメラからの信号を情報処理することで得たものを使うことができる。 In addition, for example, by providing the tactile sensation generating device 1 alone in the interior 2 such as a handle or seat of the vehicle 61, warning information detected by the vehicle 61 during driving (for example, a pedestrian jumping out or a preceding vehicle Warning information for a sudden interruption or a sudden stop of the preceding vehicle) can be quickly transmitted to the occupant's body via the interior part 2 to be alerted. As the warning information, for example, information obtained by processing information from various sensors and cameras provided in the vehicle 61 for automatic driving can be used.
(効果6)振動発生デバイス4は、内装品2に設置されたタッチセンサースイッチ65の周囲に設けても良い。これにより、タッチセンサースイッチ65への入力に合せて触感を発生させることができる。しかも、振動部材3の裏面3a側に触感発生装置1とタッチセンサースイッチ65とを組合せて設けることで、内装品2を、(裏面3a側に設置されたタッチセンサースイッチ65によって)見えないスイッチを備えると共に、見えないスイッチが(触感発生装置1によって、指で実際に押込むことができるスイッチボタンと同様の)操作感を有する高機能なスイッチパネルにできる。 (Effect 6) The vibration generating device 4 may be provided around the touch sensor switch 65 installed in the interior product 2. Thereby, tactile sensation can be generated in accordance with the input to the touch sensor switch 65. Moreover, by providing the tactile sensation generating device 1 and the touch sensor switch 65 in combination on the back surface 3a side of the vibration member 3, the interior product 2 can be switched to an invisible switch (by the touch sensor switch 65 installed on the back surface 3a side). In addition, an invisible switch can be provided as a highly functional switch panel having a feeling of operation (similar to a switch button that can be actually pushed by a finger by the tactile sensation generating device 1).
(効果7)上記触感発生装置1を用いた触感発生方法として、振動発生前に、当接手段24を用いて可動鉄心21を振動部材3の裏面3aに当接した状態で待機させておき、可動鉄心21を振動部材3に押し付けて振動部材3を押圧変形させた後に、可動鉄心21を振動部材3から離反動させて振動部材3を形状復帰させることで、振動部材3に振動を発生させるようにしても良い。このような触感発生方法によれば、上記効果1と同様の作用効果を得ることができる。 (Effect 7) As a tactile sensation generating method using the tactile sensation generating apparatus 1, the movable iron core 21 is kept in contact with the back surface 3a of the vibration member 3 using the contact means 24 before the vibration is generated. After the movable iron core 21 is pressed against the vibration member 3 and the vibration member 3 is pressed and deformed, the movable iron core 21 is moved away from the vibration member 3 to return the shape of the vibration member 3, thereby generating vibration in the vibration member 3. You may do it. According to such a tactile sensation generating method, it is possible to obtain the same effect as the above effect 1.
1 触感発生装置
2 内装品
3 振動部材
3a 裏面
4 振動発生デバイス
21 可動鉄心
22 コイル
23 ソレノイド
24 当接手段
31 弾性当接部材
41 戻り助勢手段
51 弾性引戻部材
61 車両
65 タッチセンサースイッチ65
DESCRIPTION OF SYMBOLS 1 Tactile sensation generating device 2 Interior goods 3 Vibration member 3a Back surface 4 Vibration generating device 21 Movable iron core 22 Coil 23 Solenoid 24 Contact means 31 Elastic contact member 41 Return assisting means 51 Elastic return member 61 Vehicle 65 Touch sensor switch 65
上記課題を解決するために、本発明は、
振動部材の裏面側に、振動発生デバイスを設置した触感発生装置において、
前記振動発生デバイスが、前記振動部材に対して近接離反動可能な可動鉄心と、通電によって該可動鉄心を前記振動部材側へ変位させて前記振動部材を押圧変形させると共に、通電の停止によって前記可動鉄心を前記振動部材から離反動させて前記振動部材を弾性復帰力によって振動させるコイルとを有するソレノイドとされたことを特徴とする。
In order to solve the above problems, the present invention provides:
In the tactile sensation generating device in which a vibration generating device is installed on the back side of the vibration member,
The vibration generating device is capable of moving toward and away from the vibrating member, and displaces the movable iron core toward the vibrating member by energization to press and deform the vibrating member, and the movable by stopping energization. characterized in that it is a solenoid having a coil Ru is vibrated by the elastic restoring force of the vibration member the core is separated recoil from the vibrating member.
Claims (7)
前記振動発生デバイスが、前記振動部材に対して近接離反動可能な可動鉄心と、通電によって該可動鉄心を前記振動部材側へ変位させるコイルとを有するソレノイドとされ、
振動発生前に、前記可動鉄心を前記振動部材の裏面に当接配置可能な当接手段を備えたことを特徴とする触感発生装置。 In the tactile sensation generating device in which a vibration generating device is installed on the back side of the vibration member,
The vibration generating device is a solenoid having a movable iron core that can move toward and away from the vibration member, and a coil that displaces the movable iron core toward the vibration member when energized,
A tactile sensation generating device comprising contact means capable of abutting and placing the movable iron core on the back surface of the vibration member before vibration is generated.
前記当接手段は、前記可動鉄心を前記振動部材の裏面へ向けて付勢する弾性当接部材であることを特徴とする触感発生装置。 The tactile sensation generating device according to claim 1,
The tactile sensation generating apparatus according to claim 1, wherein the contact means is an elastic contact member that urges the movable iron core toward the back surface of the vibration member.
前記コイルへの通電を停止した時に、前記可動鉄心の前記振動部材に対する離反動を早める戻り助勢手段を備えたことを特徴とする触感発生装置。 The tactile sensation generating device according to claim 1 or 2,
A tactile sensation generating device comprising return assisting means for accelerating the separation of the movable iron core from the vibrating member when energization of the coil is stopped.
前記戻り助勢手段は、前記可動鉄心を前記振動部材から離反する方向へ付勢する弾性引戻部材であることを特徴とする触感発生装置。 The tactile sensation generating device according to claim 3 quoting claim 2,
The tactile sensation generating device according to claim 1, wherein the return assisting means is an elastic pullback member that biases the movable iron core in a direction away from the vibration member.
前記振動部材が、車両に設置される内装品に設けられることを特徴とする触感発生装置。 The tactile sensation generating device according to any one of claims 1 to 4,
The tactile sensation generating apparatus, wherein the vibration member is provided in an interior product installed in a vehicle.
前記振動発生デバイスが、前記内装品に設置されたタッチセンサースイッチ65の周囲に設けられることを特徴とする触感発生装置。 The tactile sensation generating device according to claim 5,
The tactile sensation generating apparatus, wherein the vibration generating device is provided around a touch sensor switch 65 installed in the interior product.
前記振動発生デバイスに、前記振動部材に対して近接離反動可能な可動鉄心と、通電によって該可動鉄心を前記振動部材に押圧させるコイルとを有するソレノイドを用い、
振動発生前に、当接手段を用いて前記可動鉄心を前記振動部材の裏面に当接した状態で待機させておき、
前記可動鉄心を前記振動部材に押し付けて前記振動部材を押圧変形させた後に、前記可動鉄心を前記振動部材から離反動させて前記振動部材を形状復帰させることで、前記振動部材に振動を発生させることを特徴とする触感発生方法。 In the tactile sensation generating method in which a tactile sensation is caused by generating vibration in the vibration member using a vibration generating device installed on the back side of the vibration member,
In the vibration generating device, a solenoid having a movable iron core that can move toward and away from the vibration member, and a coil that presses the movable iron core against the vibration member by energization,
Prior to the occurrence of vibration, the movable iron core is kept in contact with the back surface of the vibration member using a contact means,
After the movable iron core is pressed against the vibrating member to press and deform the vibrating member, the movable iron core is moved away from the vibrating member to restore the shape of the vibrating member, thereby generating vibration in the vibrating member. A tactile sensation generating method characterized by that.
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