CN104320017A - Piezoelectric ceramic driving device - Google Patents
Piezoelectric ceramic driving device Download PDFInfo
- Publication number
- CN104320017A CN104320017A CN201410592667.5A CN201410592667A CN104320017A CN 104320017 A CN104320017 A CN 104320017A CN 201410592667 A CN201410592667 A CN 201410592667A CN 104320017 A CN104320017 A CN 104320017A
- Authority
- CN
- China
- Prior art keywords
- piezoelectric ceramic
- digital
- digital signal
- differential driver
- analog converter
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)
Abstract
The invention provides a piezoelectric ceramic driving method and device and relates to the technical field of precise displacement control. The problem that an existing piezoelectric ceramic driving method and device is easily interfered by environmental noise and accordingly positioning resolution ratio is low and cost is high is solved. The piezoelectric ceramic driving device comprises a controller, a digital-to-analogue converter, a voltage amplifier and a differential driver, wherein the digital-to-analogue converter receives a digital signal of the controller and then converts the digital signal into an analogue voltage signal, and the analogue voltage signal is amplified by the voltage amplifier and then is exerted onto piezoelectric ceramic through the differential driver. The piezoelectric ceramic driving method and device can effectively improve the resistance capacity of a driving signal to the environmental noise and improve the positioning resolution ratio of the piezoelectric ceramic and is low in cost.
Description
Technical field
The present invention relates to close Displacement Control Technique field, be specifically related to a kind of driving method and device of piezoelectric ceramic.
Background technology
It is high that piezoceramic material has resolution, frequency characteristic is good, High power output, without magnetic disturbance and the heating advantage such as little, its actuator as nanoscale navigation system is widely used in fields such as Aero-Space, semiconductor, bioengineering, Precision measurement and Precision Machining.In nano level hi-Fix application, usually require that its actuator has the positioning resolution of sub-nanometer scale.The elongation of piezoceramic material is directly proportional to its driving voltage, and therefore the driving voltage resolution of driver circuit for piezoelectric ceramics determines the positioning resolution of piezoelectric ceramic actuator.Usually, driver circuit for piezoelectric ceramics is single-ended structure, in this circuit structure, driving voltage is easy to the impact being subject to ambient noise, such as, the noise of board power voltage and the noise from clock signal coupling, cause driving voltage resolution to reduce, then cause the positioning resolution of navigation system to reduce.
Summary of the invention
The present invention is the problem being subject to Environmental Noise Influence solving the existence of existing Piezoelectric Ceramic technology, provides a kind of Piezoelectric Ceramic device.
Piezoelectric Ceramic device, comprises digital to analog converter, voltage amplifier and differential driver; Digital signal becomes analog voltage signal after digital to analog converter conversion; Analog voltage signal transfers to differential driver after voltage amplifier amplifies; Voltage is put on piezoelectric ceramic two ends by differential driver.
The present invention also comprises microcontroller, and the digital signal that described microcontroller produces is supplied to digital to analog converter, and the assembling of described microcontroller, digital to analog converter, voltage amplifier and differential driver on a printed circuit board.
The present invention also comprises digital signal processor, and the digital signal that described digital signal processor produces is supplied to digital to analog converter, and the assembling of described digital signal processor, digital to analog converter, voltage amplifier and differential driver on a printed circuit board.
Beneficial effect of the present invention: the present invention uses differential driver to drive piezoelectric ceramic, improves the positioning resolution of navigation system.Digital to analog converter, voltage amplifier are combined with differential driver by the present invention, the output displacement resolution of piezoelectric ceramic can be significantly improved when using differential driver to drive piezoelectric ceramic, system can the lower Power supply of serviceability, greatly cuts down the cost of whole system.
Accompanying drawing explanation
Fig. 1 is for being provided the structural representation of digital signal by microcontroller in Piezoelectric Ceramic device of the present invention;
Fig. 2 is for being provided the structural representation of digital signal by digital signal processor in Piezoelectric Ceramic device of the present invention;
Fig. 3 is the structural representation that Piezoelectric Ceramic device of the present invention comprises that microcontroller is integrated in printed circuit board;
Fig. 4 is the structural representation that Piezoelectric Ceramic device of the present invention comprises that digital signal processor is integrated in printed circuit board;
Fig. 5 is the principle schematic of the Piezoelectric Ceramic device described in invention.
In figure: 1, microcontroller, 2, the digital signal output end of microcontroller, 3, the digital signal input end of digital to analog converter, 4, digital to analog converter, 5, the analog signal output of digital to analog converter, 6, the signal input part of voltage amplifier, 7, voltage amplifier, 8, the signal output part of voltage amplifier, 9, the signal input part of differential driver, 10, the signal output part of differential driver, 11, differential driver, 12, piezoelectric ceramic, 13, digital signal processor, 14, the digital signal output end of digital signal processor, 15, printed circuit board.
Embodiment
Embodiment one, composition graphs 1 to Fig. 5 illustrate present embodiment, Piezoelectric Ceramic device, comprise digital to analog converter 4, voltage amplifier 7 and differential driver 11; Wherein the analog signal output 5 of digital to analog converter is connected with the signal input part 6 of voltage amplifier, and the signal output part 8 of voltage amplifier is connected with the signal input part 9 of differential driver, and the signal output part 10 of differential driver is connected to piezoelectric ceramic 12; Digital signal becomes analog voltage signal after digital to analog converter 4 is changed; Analog voltage signal transfers to differential driver 11 after voltage amplifier 7 amplifies; Voltage is put on piezoelectric ceramic 12 two ends by differential driver 11.
Present embodiment also comprises microcontroller 1, and the digital signal that described microcontroller 1 produces is supplied to digital to analog converter 4, and the digital signal output end 2 of microcontroller is connected with digital to analog converter digital signal input end 3,
Also comprise digital signal processor 13 in present embodiment, the digital signal that described digital signal processor 13 produces is supplied to digital to analog converter 4, and the digital signal output end 14 of digital signal processor is connected with digital to analog converter digital signal input end 3.
Also comprise printed circuit board 15 in present embodiment, described microcontroller 1, digital to analog converter 4, voltage amplifier 7 and differential driver 11 are assemblied on printed circuit board 15; Or digital signal processor 13, digital to analog converter 4, voltage amplifier 7 and differential driver 11 are assemblied on printed circuit board 15.
Composition graphs 5 illustrates present embodiment, in present embodiment, microcontroller 1 adopts the PIC18F4520 of Microchip company, digital to analog converter 4 adopts the AD5570 of Anolog Devices company, voltage amplifier 7 adopts the ADA4700 of Anolog Devices company, and differential driver 11 is made up of the IRF510 of Vishay company and resistance.The RC5/SDO pin of PIC8F4520, RC3/SCK/SCL pin, RD1/PSP1 pin, RD2/PSP2 pin and RD3/PSP3 pin are connected with the SDIN pin of AD5570, SCLK pin, SYNC pin, LDAC pin and CLR pin successively, the transmission of digital signal is carried out, the V of AD5570 by SPI link
oUTpin is connected to the inverting input of ADA4700 through resistance R87, the in-phase input end ground connection of ADA4700, contact resistance R88 between the output of ADA4700 and inverting input, the output of ADA4700 is connected with the grid of Q1 in differential driver, the drain electrode of Q1 is connected with power supply by R89, the grounded-grid of Q2 in differential driver, the drain electrode of Q2 is connected with power supply by R90, organizing of R89 and R90 is equal, the source electrode of Q1 meets current source I1 after being connected with the source electrode of Q2, output signal and take out from the drain electrode of Q1 and the drain electrode of Q2, be added to the two ends of piezoelectric ceramic 12.
Claims (5)
1. Piezoelectric Ceramic device, comprises digital to analog converter (4), voltage amplifier (7), differential driver (11); It is characterized in that, digital signal becomes analog voltage signal after digital to analog converter (4) conversion; Described analog voltage signal transfers to differential driver (11) after voltage amplifier (7) amplifies; Voltage is put on piezoelectric ceramic (12) two ends by described differential driver (11).
2. the Piezoelectric Ceramic device according to right 1, is characterized in that, also comprises microcontroller (1), and the digital signal that described microcontroller (1) produces is supplied to digital to analog converter (4).
3. the Piezoelectric Ceramic device according to right 1, is characterized in that, also comprises digital signal processor (13), and the digital signal that described digital signal processor (13) produces is supplied to digital to analog converter (4).
4. the Piezoelectric Ceramic device according to right 1 or 2, it is characterized in that, microcontroller (1), digital to analog converter (4), voltage amplifier (7) and differential driver (11) are assemblied on printed circuit board (15).
5. the Piezoelectric Ceramic device according to right 1 or 3, it is characterized in that, digital signal processor (13), digital to analog converter (4), voltage amplifier (7) and differential driver (11) are assemblied on printed circuit board (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410592667.5A CN104320017A (en) | 2014-10-28 | 2014-10-28 | Piezoelectric ceramic driving device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410592667.5A CN104320017A (en) | 2014-10-28 | 2014-10-28 | Piezoelectric ceramic driving device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104320017A true CN104320017A (en) | 2015-01-28 |
Family
ID=52375214
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410592667.5A Pending CN104320017A (en) | 2014-10-28 | 2014-10-28 | Piezoelectric ceramic driving device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104320017A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105048864A (en) * | 2015-08-24 | 2015-11-11 | 哈尔滨工业大学 | Novel error-amplification-type piezoelectric ceramic driving circuit |
| CN106896161A (en) * | 2015-12-17 | 2017-06-27 | 中国石油天然气股份有限公司 | The signal receiving processing circuit of pipeline anticorrosion coating repaired mouth quality of adhesive detection machine |
| CN108614469A (en) * | 2016-12-10 | 2018-10-02 | 中国科学院长春光学精密机械与物理研究所 | A kind of driving device of piezoelectric ceramics |
| CN111140688A (en) * | 2019-08-09 | 2020-05-12 | 浙江中控技术股份有限公司 | Piezoelectric valve control circuit and control method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101069294A (en) * | 2004-07-28 | 2007-11-07 | 汤姆森许可贸易公司 | Method and apparatus for driving a piezoelectric actuator |
| CN101599715A (en) * | 2009-06-25 | 2009-12-09 | 天津大学 | Dynamic bipolar drive power supply for piezoelectric ceramics and implementation method |
| CN103368456A (en) * | 2012-04-05 | 2013-10-23 | 通用电气公司 | System for driving piezoelectric load and method of making same |
| CN104079203A (en) * | 2014-06-19 | 2014-10-01 | 哈尔滨工程大学 | High-dynamic charge type piezoelectric ceramic drive power supply |
-
2014
- 2014-10-28 CN CN201410592667.5A patent/CN104320017A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101069294A (en) * | 2004-07-28 | 2007-11-07 | 汤姆森许可贸易公司 | Method and apparatus for driving a piezoelectric actuator |
| CN101599715A (en) * | 2009-06-25 | 2009-12-09 | 天津大学 | Dynamic bipolar drive power supply for piezoelectric ceramics and implementation method |
| CN103368456A (en) * | 2012-04-05 | 2013-10-23 | 通用电气公司 | System for driving piezoelectric load and method of making same |
| CN104079203A (en) * | 2014-06-19 | 2014-10-01 | 哈尔滨工程大学 | High-dynamic charge type piezoelectric ceramic drive power supply |
Non-Patent Citations (2)
| Title |
|---|
| 无: "DRV8662：平板电脑单片压电触摸屏驱动解决方案", 《世界电子元器件》 * |
| 王学亮，巩岩: "光刻物镜中压电陶瓷驱动器的动态性能研究", 《光子学报》 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105048864A (en) * | 2015-08-24 | 2015-11-11 | 哈尔滨工业大学 | Novel error-amplification-type piezoelectric ceramic driving circuit |
| CN106896161A (en) * | 2015-12-17 | 2017-06-27 | 中国石油天然气股份有限公司 | The signal receiving processing circuit of pipeline anticorrosion coating repaired mouth quality of adhesive detection machine |
| CN108614469A (en) * | 2016-12-10 | 2018-10-02 | 中国科学院长春光学精密机械与物理研究所 | A kind of driving device of piezoelectric ceramics |
| CN111140688A (en) * | 2019-08-09 | 2020-05-12 | 浙江中控技术股份有限公司 | Piezoelectric valve control circuit and control method |
| CN111140688B (en) * | 2019-08-09 | 2021-12-28 | 浙江中控技术股份有限公司 | Piezoelectric valve control circuit and control method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104320017A (en) | Piezoelectric ceramic driving device | |
| EP3316095A3 (en) | Driving circuit and touch display device | |
| CN204836096U (en) | Piezoelectric acceleration sensor's charge amplifier | |
| CN106921309A (en) | A kind of plane three-level enlarger and method based on rhombus ring and lever principle | |
| CN203039647U (en) | Linear amplification circuit for micro signals | |
| CN103411716B (en) | Parallel-data transmission torque sensor | |
| CN204555983U (en) | A kind of three axle high precision weak magnetic survey modules | |
| CN104079203A (en) | High-dynamic charge type piezoelectric ceramic drive power supply | |
| CN103532507A (en) | Sensor signal operational amplifier | |
| CN204389095U (en) | Miniaturized pressure sensor parameters amending unit | |
| CN202453759U (en) | Bipolar reference voltage source device with driving function | |
| CN205320058U (en) | Novel adopt non -linear opto -coupler to realize linear buffer circuit of signal | |
| CN103473029B (en) | A kind of multiplier | |
| CN204595664U (en) | A kind of high-precision low cost current-source arrangement | |
| CN203376396U (en) | Driving circuit capable of improving accuracy of balance micro torque calibrator | |
| CN203896217U (en) | High-dynamic charge type piezoelectric ceramic driving power supply | |
| CN102843632A (en) | Voice-operated circuit | |
| CN104345208B (en) | Driving circuit for improving balance micro torque calibration instrument accuracy | |
| CN102636216A (en) | Sensor signal calibration device | |
| CN203563018U (en) | Low-power-dissipation power amplifier for mobile phones | |
| CN106788392B (en) | Single-ended analog input interface circuit for servo controller | |
| CN104516360A (en) | Drive control system of piezoelectric micro displacement device | |
| CN203572501U (en) | Enhanced long distance digital quantity output proximity sensor | |
| CN104476029A (en) | Synchronous and coordinately welding gun system of robot | |
| CN104792441A (en) | Laboratorial axial force and bending moment sensor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150128 |