The invention relates to a self powered damper, which belongs to the field of vibration damping technology. The base is provided with a cylinder body, a pressing ring plate through a set of pressure in the convex side wall of the cylinder body on two adjacent pressure rings are pressed and connected with the diaphragm, the diaphragm arranged on both sides of the piezoelectric vibrator and the top ring, the free end of the piezoelectric vibrator supported at the top ring; the piezoelectric vibrator comprises a substrate and piezoelectric wafer bonding; terminal ends respectively through the wire and the piezoelectric vibrator and the circuit board is connected with the circuit board by the wire cylinder body is provided with a damping valve; piston, piston and diaphragm pressure with a spring, the piston and the cylinder separator and together form the compression chamber under the compression chamber with a damping valve and the accumulator connected pipe; the diaphragm and diaphragm pressure ring adjacent a buffer cavity, two diaphragm pressure ring adjacent a buffer cavity two and buffer chamber three, the diaphragm and the base ring adjacent a buffer chamber four; compression chamber and a buffer chamber and corrosion Punching cavity compression chamber and the three-phase interconnect, buffer cavity 2 and 4 buffer cavity are communicated with each other.
【技术实现步骤摘要】
一种自供电阻尼器
本专利技术属于振动控制
,具体涉及一种自供电阻尼器。
技术介绍
液压阻尼器在交通工具、机械设备等的振动控制领域已有广泛应用。早期的被动式液压阻尼器结构简单、成本低、技术较成熟,但因阻尼不可调,其减振效果及环境的适应性较差,不适于某些要求振动控制效果较好的场合,如汽车发动机及车架悬置、大型精密仪器设备减振等。因此,人们提出了主动式、半主动式可调液压阻尼器,即利用电机驱动液压泵提供动力、并由电磁换向/溢流/减压阀进行控制的主动式可调阻尼器。比之于被动式不可调液压阻尼器,主动式可调液压阻尼器的控制效果好、振动环境的适应能力强,已在汽车主动悬置等方面获得成功应用。针对现有的主动式液压阻尼调节技术需要持续的外部能量供应所引起的体积庞大、连接及控制较复杂、可靠性低等弊端,人们曾提出过多种形式的基于压电能量回收的阻尼器,但这些阻尼器中利用的都是压电振子的双向弯曲变形发电的,易因压电片所受拉应力过大而损毁,故可靠性仍有待提高。
技术实现思路
本专利技术提出一种自供电阻尼器,本专利技术采用的实施方案是:底座上经螺钉安装有缸体,底座的止口经一组压环将隔板压接在缸体侧壁的凸台上,两个相邻的压环之间压接有隔膜,隔膜两侧安装有压电振子和顶环,压电振子自由端顶靠在顶环上;压电振子由基板和压电片粘接而成,基板靠近隔膜安装;安装在压环上的接线柱的两端分别经导线与压电振子和电路板相连接,电路板经螺钉安装在缸体侧壁上,电路板经导线与阻尼阀相连;缸体内部安装有活塞,活塞杆上安装有重物,活塞与隔板之间压接有弹簧,活塞与隔板及缸体共同形成上压缩腔和下压缩腔,上压缩腔及下压缩腔经 ...
【技术保护点】
一种自供电阻尼器,其特征在于:底座上经螺钉安装有缸体,底座的止口经一组压环将隔板压接在缸体侧壁的凸台上,两个相邻的压环之间压接有隔膜,隔膜两侧安装有压电振子和顶环,压电振子自由端顶靠在顶环上;压电振子为扇形或矩形结构,压电振子由基板和压电片粘接而成,基板靠近隔膜安装;安装在压环上的接线柱的两端分别经导线与压电振子和电路板相连接,电路板经螺钉安装在缸体侧壁上,电路板经导线与阻尼阀相连;缸体内部安装有活塞,活塞杆上安装有重物,活塞与隔板之间压接有弹簧,活塞与隔板及缸体共同形成上压缩腔和下压缩腔,上压缩腔及下压缩腔经管道与阻尼阀及蓄能器相连接;压环与其相邻的隔膜及隔板构成缓冲腔一,压环与其相邻的两个隔膜构成缓冲腔二和缓冲腔三,压环与其相邻的隔膜及底座构成缓冲腔四;上压缩腔经管道与缓冲腔一及缓冲腔三相互连通,下压缩腔经管道与缓冲腔二及缓冲腔四相互连通。
【技术特征摘要】
1.一种自供电阻尼器,其特征在于:底座上经螺钉安装有缸体,底座的止口经一组压环将隔板压接在缸体侧壁的凸台上,两个相邻的压环之间压接有隔膜,隔膜两侧安装有压电振子和顶环,压电振子自由端顶靠在顶环上;压电振子为扇形或矩形结构,压电振子由基板和压电片粘接而成,基板靠近隔膜安装;安装在压环上的接线柱的两端分别经导线与压电振子和电路板相连接,电路板经螺钉安装在缸体侧壁上,电路板经导线与...
【专利技术属性】
技术研发人员:阚君武,林仕杰,陈松,
申请(专利权)人:浙江师范大学,
类型:发明
国别省市:浙江,33
还没有人留言评论。发表了对其他浏览者有用的留言会获得科技券。