CN104505080A - Sound production method of automobile horn producing sound through piezoelectric ceramic buzzer - Google Patents
Sound production method of automobile horn producing sound through piezoelectric ceramic buzzer Download PDFInfo
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- CN104505080A CN104505080A CN201410841669.3A CN201410841669A CN104505080A CN 104505080 A CN104505080 A CN 104505080A CN 201410841669 A CN201410841669 A CN 201410841669A CN 104505080 A CN104505080 A CN 104505080A
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- sound
- piezoelectric ceramic
- piezoelectric ceramics
- ceramics piezo
- amplifies
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- Transducers For Ultrasonic Waves (AREA)
Abstract
Disclosed is a sound production method of an automobile horn producing sound through a piezoelectric ceramic buzzer. The existing automobile horns mainly include electronic horns, mechanical horns and pneumatic horns, all of which have traditional sound-producing structures, metal diaphragms and different drive modes and which produce low sound with a short transmission range and high power consumption. The automobile horn comprises the piezoelectric ceramic buzzer (5); the piezoelectric ceramic buzzer (5) is composed of a diaphragm (3) and a piezoelectric ceramic sheet (4); the diaphragm (3) is connected with the piezoelectric ceramic sheet (4) and an amplifying cavity (2); the amplifying cavity (2) is connected with a plastic front cover (1); the amplifying cavity (2) is connected with a plastic rear cover (9). The sound production method is applicable to the sound production of automobile horns.
Description
technical field:
the present invention relates to a kind of vocal technique adopting piezoelectric ceramics piezo to carry out the car horn of sounding.
background technology:
the car horn of present stage is mainly divided into: electronic horn, mechanical horn, wind-tone horn etc., no matter be any loudspeaker, its traditional vocal structure is all metallic membrane, and just its mode driven is different, it has a low and deep voice, and transmission range is near, and power consumption is high.
summary of the invention:
the object of this invention is to provide a kind of vocal technique adopting piezoelectric ceramics piezo to carry out the car horn of sounding.
above-mentioned object is realized by following technical scheme:
a kind of car horn adopting piezoelectric ceramics piezo to carry out sounding, its composition comprises: piezoelectric ceramics piezo, it is characterized in that: described piezoelectric ceramics piezo is made up of sound film and piezoelectric patches, described sound film is connected with described piezoelectric patches, described sound film is connected with the chamber that amplifies, the described chamber that amplifies is connected with plastics protecgulum, the described chamber that amplifies is connected with plastic rear cover, connection control plate in described plastic rear cover, described control panel comprises single-chip microcomputer and MOSFET, described single-chip microcomputer and described MOSFET are welded on control panel, described MOSFET is connected with described piezoelectric patches.
the vocal technique that described employing piezoelectric ceramics piezo carries out the car horn of sounding is amplified by the drive singal of the single-chip microcomputer in control panel or control IC by MOSFET, then by amplify after signal loading to piezoelectric ceramics piezo two ends, the sound that piezoelectric ceramics piezo sends is after the amplifying of the chamber that amplifies, amplified by sound, the sound of loudspeaker is modulated by the frequency of the drive singal of single-chip microcomputer or control IC and dutycycle.
beneficial effect:
1. the present invention have employed stupalith due to piezoelectricity singing piece, so car horn is clear, melodious, long transmission distance.
the present invention utilizes ultrasonic welding technique, drastically reduce the area the time of processing, reduces production cost.
vocal structure of the present invention is simple, and the assembling of loudspeaker and technological process simply, are conducive to the stability improving loudspeaker work, reduce the weight of loudspeaker, reduce costs.
the present invention carries out sounding owing to adopting piezoelectric ceramics piezo, and phonation efficiency is high, and low in energy consumption compared with traditional metallic membrane, sound level is high, energy-conserving and environment-protective.
accompanying drawing illustrates:
accompanying drawing 1 is structural blast schematic diagram of the present invention.
embodiment:
embodiment 1:
a kind of car horn adopting piezoelectric ceramics piezo to carry out sounding, its composition comprises: piezoelectric ceramics piezo 5, described piezoelectric ceramics piezo 5 is made up of sound film 3 and piezoelectric patches 4, described sound film 4 is connected with described piezoelectric patches 4, described sound film 3 is connected with the chamber 2 that amplifies, the described chamber 2 that amplifies is connected with plastics protecgulum 1, the described chamber 2 that amplifies is connected with plastic rear cover 9, connection control plate 8 in described plastic rear cover 9, described control panel 8 comprises single-chip microcomputer 6 and MOSFET 7, described single-chip microcomputer 5 is welded on control panel 8 with described MOSFET 7, described MOSFET7 is connected with described piezoelectric patches 9.
embodiment 2:
the vocal technique that employing piezoelectric ceramics piezo according to embodiment 1 carries out the car horn of sounding is amplified by the drive singal of the single-chip microcomputer in control panel or control IC by MOSFET, then by amplify after signal loading to piezoelectric ceramics piezo two ends, the sound that piezoelectric ceramics piezo sends is after the amplifying of the chamber that amplifies, amplified by sound, the sound of loudspeaker is modulated by the frequency of the drive singal of single-chip microcomputer or control IC and dutycycle.
Claims (2)
1. the car horn adopting piezoelectric ceramics piezo to carry out sounding, its composition comprises piezoelectric ceramics piezo, it is characterized in that: described piezoelectric ceramics piezo is made up of sound film and piezoelectric patches, described sound film is connected with described piezoelectric patches, described sound film is connected with the chamber that amplifies, the described chamber that amplifies is connected with plastics protecgulum, the described chamber that amplifies is connected with plastic rear cover, connection control plate in described plastic rear cover, described control panel comprises single-chip microcomputer and MOSFET, described single-chip microcomputer and described MOSFET are welded on control panel, described MOSFET is connected with described piezoelectric patches.
2. an employing piezoelectric ceramics piezo according to claim 1 carries out the vocal technique of the car horn of sounding, it is characterized in that: by MOSFET, the drive singal of the single-chip microcomputer in control panel or control IC is amplified, then by amplify after signal loading to piezoelectric ceramics piezo two ends, the sound that piezoelectric ceramics piezo sends is after the amplifying of the chamber that amplifies, amplified by sound, the sound of loudspeaker is modulated by the frequency of the drive singal of single-chip microcomputer or control IC and dutycycle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410841669.3A CN104505080A (en) | 2014-12-30 | 2014-12-30 | Sound production method of automobile horn producing sound through piezoelectric ceramic buzzer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410841669.3A CN104505080A (en) | 2014-12-30 | 2014-12-30 | Sound production method of automobile horn producing sound through piezoelectric ceramic buzzer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104505080A true CN104505080A (en) | 2015-04-08 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410841669.3A Pending CN104505080A (en) | 2014-12-30 | 2014-12-30 | Sound production method of automobile horn producing sound through piezoelectric ceramic buzzer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104505080A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201673564U (en) * | 2010-05-26 | 2010-12-15 | 郑州欧丽信大电子信息股份有限公司 | Portable electronic alarm |
| CN202310074U (en) * | 2011-03-11 | 2012-07-04 | 湖南继善高科技有限公司 | Speaker unit, speaker device and directional sound wave bird-scaring device |
| CN202332265U (en) * | 2011-11-23 | 2012-07-11 | 刘学南 | Automobile alarming horn |
| CN202838945U (en) * | 2012-09-12 | 2013-03-27 | 宁波东方电子有限公司 | Piezoelectric sounding device of high sound level automobile alarm |
| CN204288791U (en) * | 2014-12-30 | 2015-04-22 | 哈尔滨固泰电子有限责任公司 | Piezoelectric ceramics piezo is adopted to carry out the car horn of sounding |
-
2014
- 2014-12-30 CN CN201410841669.3A patent/CN104505080A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201673564U (en) * | 2010-05-26 | 2010-12-15 | 郑州欧丽信大电子信息股份有限公司 | Portable electronic alarm |
| CN202310074U (en) * | 2011-03-11 | 2012-07-04 | 湖南继善高科技有限公司 | Speaker unit, speaker device and directional sound wave bird-scaring device |
| CN202332265U (en) * | 2011-11-23 | 2012-07-11 | 刘学南 | Automobile alarming horn |
| CN202838945U (en) * | 2012-09-12 | 2013-03-27 | 宁波东方电子有限公司 | Piezoelectric sounding device of high sound level automobile alarm |
| CN204288791U (en) * | 2014-12-30 | 2015-04-22 | 哈尔滨固泰电子有限责任公司 | Piezoelectric ceramics piezo is adopted to carry out the car horn of sounding |
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| C06 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150408 |
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| RJ01 | Rejection of invention patent application after publication |