A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
DAMPER DEVICE AND FIXTURE
PROBLEM TO BE SOLVED: To provide a damper device and fixture capable of properly adjusting attenuation force to be carried out, according to a movement direction or movement position of a movable body.SOLUTION: A door closer 5 includes: a rotational shaft 15 configured to rotate along with movement of a door 1 as a movable body; a magnet 37 interlocking with the rotational shaft 15, and configured to move from one side to the other side or the other side to the one side according to a rotation direction of the rotational shaft 15; a coil 430 for power generation configured to generate power with electromagnetic induction along with movement of the magnet 37; a magnetic viscous fluid 51 having a nature that viscosity varies according to a magnetic field, and configured to apply resistance depending on viscosity to rotation of the rotational shaft 15; a coil 53 for reaction configured to make a magnetic field act on the magnetic viscous fluid 51 with electrification; and an output adjustment circuit 452 configured to adjust current from the coil 430 for power generation fed to the coil 53 for reaction on the basis of a movement direction of the magnet 37.SELECTED DRAWING: Figure 2
【課題】移動体の移動方向や移動位置に応じて作用させる減衰力を適切に調節できるダンパ装置及び建具を提供すること。【解決手段】ドアクローザ５は、移動体としてのドア１の移動に連動して回転する回転軸１５と、回転軸１５に連動し、該回転軸１５の回転方向に応じて一側から他側又は他側から一側に向かってその位置を移動する磁石３７と、磁石３７の移動に伴って電磁誘導により発電する発電用コイル４３０と、磁界に応じて粘度が変化する性質を有し、回転軸１５の回転に対して粘度に応じた抵抗を付与する磁気粘性流体５１と、通電により磁気粘性流体５１に磁界を作用させる抗力用コイル５３と、磁石３７の移動方向に基づいて発電用コイル４３０から抗力用コイル５３に送られる電流を調整する出力調整回路４５２と、を備える。【選択図】図２
DAMPER DEVICE AND FIXTURE
PROBLEM TO BE SOLVED: To provide a damper device and fixture capable of properly adjusting attenuation force to be carried out, according to a movement direction or movement position of a movable body.SOLUTION: A door closer 5 includes: a rotational shaft 15 configured to rotate along with movement of a door 1 as a movable body; a magnet 37 interlocking with the rotational shaft 15, and configured to move from one side to the other side or the other side to the one side according to a rotation direction of the rotational shaft 15; a coil 430 for power generation configured to generate power with electromagnetic induction along with movement of the magnet 37; a magnetic viscous fluid 51 having a nature that viscosity varies according to a magnetic field, and configured to apply resistance depending on viscosity to rotation of the rotational shaft 15; a coil 53 for reaction configured to make a magnetic field act on the magnetic viscous fluid 51 with electrification; and an output adjustment circuit 452 configured to adjust current from the coil 430 for power generation fed to the coil 53 for reaction on the basis of a movement direction of the magnet 37.SELECTED DRAWING: Figure 2
【課題】移動体の移動方向や移動位置に応じて作用させる減衰力を適切に調節できるダンパ装置及び建具を提供すること。【解決手段】ドアクローザ５は、移動体としてのドア１の移動に連動して回転する回転軸１５と、回転軸１５に連動し、該回転軸１５の回転方向に応じて一側から他側又は他側から一側に向かってその位置を移動する磁石３７と、磁石３７の移動に伴って電磁誘導により発電する発電用コイル４３０と、磁界に応じて粘度が変化する性質を有し、回転軸１５の回転に対して粘度に応じた抵抗を付与する磁気粘性流体５１と、通電により磁気粘性流体５１に磁界を作用させる抗力用コイル５３と、磁石３７の移動方向に基づいて発電用コイル４３０から抗力用コイル５３に送られる電流を調整する出力調整回路４５２と、を備える。【選択図】図２
DAMPER DEVICE AND FIXTURE
ダンパ装置及び建具
TANAKA ATSUSHI (author) / MATSUDA HIROSHI (author)
2017-09-28
Patent
Electronic Resource
Japanese
BOLT SECURING FIXTURE OF VISCOELASTIC DAMPER ON VIBRATION DAMPING DEVICE AND ASSEMBLY METHOD THEREOF
| European Patent Office | 2019