CN87210916U - 电子变音胡琴 - Google Patents

电子变音胡琴 Download PDF

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Publication number
CN87210916U
CN87210916U CN 87210916 CN87210916U CN87210916U CN 87210916 U CN87210916 U CN 87210916U CN 87210916 CN87210916 CN 87210916 CN 87210916 U CN87210916 U CN 87210916U CN 87210916 U CN87210916 U CN 87210916U
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huqin
chinese
utility
tube
model
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CN 87210916
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王占英
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Abstract

本实用新型公开了一种改良的电子变音胡琴,其特征是胡琴琴筒蒙皮采用薄金属片,金属蒙皮与琴筒内的磁体线圈组成直感式拾音器,琴筒内还装有混响弹簧。这种电子胡琴音色好,变化多,音域广,实现了一琴多用。

Description

电子变音胡琴
本实用新型涉及一种娱乐、演奏用的弓弦乐器,特别是一种能变音的电子胡琴。
现有的胡琴有二胡、京胡、高胡、板胡等。虽然形体、结构相似,但音色和表现力各不相同,不能通用。国内已有采用电磁式拾音器的电子胡琴,但结构复杂,成本高,而且只能使用钢弦,整体效果欠佳。另有一种采用压电效应式拾音器的电吉它,可以使用尼龙丝弦,但是压电材料频率特性不甚理想,也未用于电子胡琴。
本实用新型的目的是提供一种保持传统胡琴特色、音色变化好,音域较宽、音量可以扩大的电子变音胡琴,实现一琴多用。
本实用新型的任务是这样实现的:将现有二胡琴筒的蒙皮改用薄金属片制作,在琴筒内对正蒙皮安装一个带磁体的线圈,线圈两端联接音频输出插口,电路中设有调整音色、音量的电位器以及电容器。金属蒙皮与线圈磁体距离1毫米左右组成直感式拾音器。其工作原理是:当弓毛摩擦琴弦时,金属蒙皮即随琴弦而振动切割磁力线,使线圈里产生音频电压信号。该信号输出放大,通过扬声器即可听到琴声,调整音色电位器,可模拟中胡、高胡、京胡及其它乐器的音色效果。为了使音色音质更好,在琴筒内装有一螺旋弹簧。弹簧一端固定在金属蒙皮上,一端悬空,有明显的混响作用。
以下结合附图对本实用新型作进一步地描述。
附图为本实用新型一种实施例的示意图。
如附图所示,将胡琴琴筒11的蒙皮7换用0.25毫米厚的薄钢片    制作,在琴筒11内的琴杆4上安装磁钢线圈10,磁钢线圈10与薄钢片蒙 皮7之间距离约1毫米。琴筒11安有混响弹簧8,混响弹簧8一端焊接在蒙皮7上,一端悬空,音色、音量调整电位器5固定在琴杆4上。琴弦3仍采用丝弦或尼龙丝弦,弦轴6可采用提琴上使用的蜗轮蜗杆式弦轴。
演奏时,将扬声器插头插入音频输出插口1,调整好音色、音量电位器5,采用传统胡琴一样的技法就可正常演奏。
这种电子变音胡琴与传统胡琴相比,其实用音域可扩展一个八度;音色多变,调节自如;金属蒙皮不受气候变化影响、质量稳定。

Claims (3)

1、一种由琴筒、琴杆、琴弓、琴弦、琴马、弦轴和拾音器组成的电子胡琴,其特征在于所说的琴筒的蒙皮是薄金属片,该薄金属片和琴筒内的磁体、线圈组成直感式拾音器。
2、根据权利要求1规定的电子胡琴,其特征在于所说的琴筒内有固定在蒙皮上的混响弹簧。
3、根据权利要求1或2规定的电子胡琴,其特征在于所说的制作蒙皮的薄金属片是0.1-1.0毫米厚的钢片。
CN 87210916 1987-07-23 1987-07-23 电子变音胡琴 Withdrawn CN87210916U (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 87210916 CN87210916U (zh) 1987-07-23 1987-07-23 电子变音胡琴

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 87210916 CN87210916U (zh) 1987-07-23 1987-07-23 电子变音胡琴

Publications (1)

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CN87210916U true CN87210916U (zh) 1988-06-01

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN 87210916 Withdrawn CN87210916U (zh) 1987-07-23 1987-07-23 电子变音胡琴

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CN (1) CN87210916U (zh)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103165122A (zh) * 2013-03-07 2013-06-19 许倩 一种易于掌握并适宜演奏高音的电声钢片琴
CN103165108A (zh) * 2013-03-07 2013-06-19 许倩 一种易于掌握并适宜演奏高音的钢片琴
CN105632463A (zh) * 2014-10-31 2016-06-01 许昌义 环保胡琴

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103165122A (zh) * 2013-03-07 2013-06-19 许倩 一种易于掌握并适宜演奏高音的电声钢片琴
CN103165108A (zh) * 2013-03-07 2013-06-19 许倩 一种易于掌握并适宜演奏高音的钢片琴
CN103165108B (zh) * 2013-03-07 2014-11-26 许倩 一种易于掌握并适宜演奏高音的钢片琴
CN103165122B (zh) * 2013-03-07 2014-12-10 王丽娜 一种易于掌握并适宜演奏高音的电声钢片琴
CN105632463A (zh) * 2014-10-31 2016-06-01 许昌义 环保胡琴
CN105632463B (zh) * 2014-10-31 2019-11-29 台州云造智能科技有限公司 环保胡琴

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