CN113556055B - Bipolar piezoelectric ceramic driving power supply - Google Patents
Bipolar piezoelectric ceramic driving power supply Download PDFInfo
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- CN113556055B CN113556055B CN202110848434.7A CN202110848434A CN113556055B CN 113556055 B CN113556055 B CN 113556055B CN 202110848434 A CN202110848434 A CN 202110848434A CN 113556055 B CN113556055 B CN 113556055B
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- 239000003990 capacitor Substances 0.000 claims description 93
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- 230000010354 integration Effects 0.000 abstract description 6
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- H02N2/00—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction
- H02N2/0005—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing non-specific motion; Details common to machines covered by H02N2/02 - H02N2/16
- H02N2/0075—Electrical details, e.g. drive or control circuits or methods
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/10—Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes
Abstract
The invention discloses a bipolar piezoelectric ceramic driving power supply, which comprises a stabilized voltage power supply module, a control signal generation module, a linear amplification circuit module and a load module, wherein the input end of the control signal generation module is connected with an input signal, the output end of the control signal generation module is connected with the input end of the linear amplification circuit module, the linear amplification circuit module outputs voltage to drive the load module, and the output end of the load module is connected with the ground; the linear amplifying circuit module comprises a first-stage operational amplifier for reducing offset voltage and amplifying analog voltage of digital-to-analog conversion by one time, wherein two channels are integrated into a whole, and a second-stage operational amplifier for amplifying and outputting the analog voltage of the first-stage operational amplifier is integrated into a whole. The bipolar linear operational amplifier piezoelectric ceramic driving power supply is mutually independent, and two dual-channel chips are utilized to form the two-stage bipolar operational amplifier, so that the bipolar linear operational amplifier has the advantages of high integration level, portability, high efficiency, high stability and the like, and has practical value and wide application prospect.
Description
Technical Field
The invention relates to a piezoelectric ceramic driving power supply, in particular to a high-efficiency integrated bipolar piezoelectric ceramic driving power supply.
Background
With the rapid development of precision engineering and micro engineering, submicron and nanometer positioning technology and micro servo technology have become key technologies of leading-edge disciplines such as micro-electromechanical systems, ultra-precision machining, microelectronics, optoelectronics and bioengineering. The piezoelectric ceramic (PZT) has the advantages of high resolution, small volume, large output force, high frequency response, no heating, high response speed and the like, is a preferred driving element of the micro-displacement driver, has direct relation between the positioning precision and the frequency response characteristic of the piezoelectric ceramic and a driving power supply, and has adverse effects on the stability and the dynamic characteristic of the driving power supply due to the capacitance characteristic of the piezoelectric ceramic. In practical use, the equivalent capacitance of the piezoelectric ceramic has larger fluctuation along with the environmental influence and the change of input voltage, and the stability of a driving power supply is influenced. At present, a 5-DOF precise positioning platform has appeared, a single channel can not meet the current requirements, and a piezoelectric ceramic driving power supply circuit is complex and low in efficiency.
Disclosure of Invention
The invention aims to: the invention aims to overcome the defects of the prior art and provide a bipolar piezoelectric ceramic driving power supply which has simple structure, high efficiency, integration and low ripple.
The technical scheme is as follows: a bipolar piezoelectric ceramic driving power supply comprises a stabilized voltage power supply module, a control signal generating module, a linear amplifying circuit module and a load module,
the input end of the control signal generation module is connected with an input signal, the output end of the control signal generation module is connected with the input end of the linear amplification circuit module, the linear amplification circuit module outputs voltage to drive the load module, and the output end of the load module is connected with the ground;
the voltage-stabilizing power supply module comprises a positive and a negative low-voltage direct current power supply and a positive and a negative high-voltage direct current power supply, the positive and negative low-voltage direct current power supplies power for the control signal generating module and the linear amplifying circuit module; the positive and negative high-voltage direct current power supplies power for the linear amplifying circuit module;
the linear amplifying circuit module comprises a first-stage operational amplifier two-channel integration body for reducing offset voltage and amplifying analog voltage of digital-to-analog conversion by one time, and a second-stage operational amplifier two-channel integration body for amplifying analog voltage of the first-stage operational amplifier and outputting, wherein a dual-channel isolation feedback stability compensation is added at the output end of the second-stage operational amplifier to prevent self-oscillation.
Further, the control signal generating module comprises a display screen and a voltage, a waveform model and a channel required by keyboard operation, the voltage, the waveform model and the channel are converted into binary by a program and transmitted to a core processing calling program through an interface, an output end of the core processing is connected with an input end of digital-to-analog conversion, the called program is transmitted to the digital-to-analog conversion, and the two-core digital-to-analog conversion is adopted to convert a received digital signal into two paths of analog voltage values and output the two paths of analog voltage values.
Further, the linear amplifying circuit module is composed of two stages of operational amplifiers, each stage of operational amplifier is composed of two channels, each two channels are integrated into a whole,
pins 1 to 4 of the first-stage operational amplifier are A channels, and pins 5 to 8 are B channels;
the pin 1 of the in-phase end of the first-stage operational amplifier is connected with the resistor R5 and then is connected with the pin 2 of the in-phase end of the second-stage operational amplifier, the pin 1 is connected with the anode of the diode D1 and then is connected with positive low voltage, and the pin 1 is connected with the cathode of the diode D2 and then is connected with negative low voltage;
the pin 2 of the first-stage operational amplifier is grounded after being connected with the resistor R3, the pin 2 is respectively connected with the first end of the resistor R12 and the first end of the isolation resistor Riso1 after being connected with the resistor R18, the second end of the resistor R12 is connected with the pin 1 of the second-stage operational amplifier, the second end of the isolation resistor Riso1 is connected with the pin 18 of the second-stage operational amplifier, and the resistor R18 is connected with the capacitor C15 in parallel;
the pin 3 of the first-stage operational amplifier is connected with the resistor R1 and then connected with an analog voltage signal output by digital-to-analog conversion;
the pin 4 of the first-stage operational amplifier is connected with negative low voltage, the pin 4 is connected with the positive electrode of the capacitor C1 and then grounded, and the capacitor C1 is connected with the capacitor C2 in parallel;
the pin 5 of the first-stage operational amplifier is connected with the resistor R2 and then connected with an analog voltage signal output by digital-to-analog conversion;
the pin 6 of the first-stage operational amplifier is grounded after being connected with the resistor R4, the pin 6 is respectively connected with the first end of the resistor R15 and the first end of the isolation resistor Riso2 after being connected with the resistor R11, the second end of the resistor R15 is connected with the pin 7 of the second-stage operational amplifier, the second end of the isolation resistor Riso2 is connected with the pin 15 of the second-stage operational amplifier, and the resistor R11 is connected with the capacitor C14 in parallel;
the in-phase end pin 7 of the first-stage operational amplifier is connected with the resistor R6 and then is connected with the in-phase end pin 8 of the second-stage operational amplifier; the pin 7 is connected with the anode of the diode D3 and then connected with positive low voltage, and the pin 7 is connected with the cathode of the diode D4 and then connected with negative low voltage;
the pin 8 of the first-stage operational amplifier is connected into positive low voltage, the pin 8 is connected with the positive electrode of the capacitor C3 and then grounded, and the capacitor C4 is connected with the capacitor C3 in parallel.
Further, pins 1 to 5 and 16 to 20 of the second-stage operational amplifier are a channel a, and pins 6 to 15 are B channels;
the pin 1 of the second-stage operational amplifier is grounded after being connected with the resistor R7, the pin 1 is connected with the anode of the diode D5 and then is connected with the pin 2, the pin 1 is connected with the cathode of the diode D6 and then is connected with the pin 2, and the capacitor C10 is connected between the pin 1 and the pin 18 in series;
the pin 3 of the second-stage operational amplifier is connected with the resistor R13 and then is connected with the first end of the capacitor C11, the second end of the capacitor C11 is connected with the pin 19 of the second-stage operational amplifier, and the second end of the capacitor C11 is connected with the pin 20 of the second-stage operational amplifier after being connected with the capacitor C12 in series;
the pin 4 of the second-stage operational amplifier is sequentially connected with the resistor R9 and the capacitor C7 in series and then connected with the pin 5;
the pin 6 of the second-stage operational amplifier is connected with negative high voltage, the pin 6 is connected with the positive electrode of the capacitor C5 and then grounded, and the capacitor C6 is connected with the capacitor C5 in parallel; the pin 6 is connected with the first end of the capacitor C9, the second end of the capacitor C9 is connected with the pin 13, and the second end of the capacitor C9 is connected with the capacitor C8 and the resistor R10 in series in sequence and then is connected with the pin 10;
the pin 7 of the second-stage operational amplifier is grounded after being connected with the resistor R8, the pin 7 is connected with the anode of the diode D7 and then is connected with the pin 8, the pin 7 is connected with the cathode of the diode D8 and then is connected with the pin 8, and the capacitor C16 is connected between the pin 15 and the pin 7 in series;
the pin 9 of the second-stage operational amplifier is sequentially connected with the resistor R14 and the capacitor C13 in series and then connected with the pin 11;
the pin 12 of the second-stage operational amplifier is connected to positive high voltage, the pin 12 is connected to the positive electrode of the capacitor C17 and then grounded, and the capacitor C18 is connected in parallel with the capacitor C17;
the pin 14 of the second-stage operational amplifier is connected with the resistor R17 in series and then is connected with the pin 15;
the pin 16 of the second-stage operational amplifier is connected to positive high voltage, the pin 16 is connected to the positive electrode of the capacitor C21 and then grounded, and the capacitor C22 is connected in parallel with the capacitor C21;
the pin 17 of the second-stage operational amplifier is connected with the rear pin 18 of the resistor R16 in series;
the first end of the isolation resistor Riso2 is connected with the anode of the diode D11 and then connected with positive high voltage, the first end of the isolation resistor Riso2 is connected with the cathode of the diode D12 and then connected with negative high voltage, and the first end of the isolation resistor Riso2 is connected with the capacitor Cpzt2 and then grounded;
the first end of the isolation resistor Riso1 is connected with the anode of the diode D9 and then connected with positive high voltage, the first end of the isolation resistor Riso1 is connected with the cathode of the diode D10 and then connected with negative high voltage, and the first end of the isolation resistor Riso1 is connected with the capacitor Cpzt1 and then grounded.
Further, the resistors R18 and R3 are adjustable resistors, and the ratio of R18 to R3 is used for determining the amplification factors of the output voltage and the input voltage of the A channel; the resistors R11 and R4 are adjustable resistors, the ratio of R11 to R4 is used for determining the amplification factor of the output voltage and the input voltage of the B channel, and the capacitors C14 and C15 are used for dynamic following of the power supply.
The beneficial effects are that: compared with the prior art, the invention has the following remarkable advantages:
(1) Compared with the traditional piezoelectric ceramic driving power supply, the bipolar linear operational amplifier piezoelectric ceramic driving power supply is mutually independent, the efficiency is not reduced due to packaging environmental factors and the like, two double-channel chips are utilized to form a two-stage bipolar operational amplifier, and the volume, portability and high efficiency are reduced;
(2) According to the invention, the channels A and B adopt two-stage operational amplifiers, so that the offset voltage can be reduced by one time through voltage amplification;
(3) According to the invention, the stability compensation of the dual-channel isolation feedback is added in each channel to prevent self-oscillation;
(4) The capacitors are added on pins Cc-A, -VsA and Cc-B, -VsB and are used for preventing oscillation generated by the falling edge of the output end;
(5) The invention designs a signal generator by utilizing the singlechip, has good man-machine interaction and strong functions, the embedded development selects the required functions according to the keyboard and the display screen, the conversion of data and analog signals can be carried out by utilizing digital-to-analog conversion, and the signal generator can emit waveforms such as sine waves, square waves, triangular waves, saw-tooth waves and the like;
(6) The invention is a high-efficiency, simple-structure, integrated and low-ripple driving power supply.
Drawings
FIG. 1 is a block diagram of the piezoelectric ceramic driving power supply of the present invention;
FIG. 2 is a main circuit diagram of the present invention;
Detailed Description
The technical scheme of the invention is further described below with reference to the accompanying drawings.
As shown in fig. 1, the invention provides a bipolar piezoelectric ceramic driving power supply, which comprises a stabilized voltage power supply module, a control signal generating module, a linear amplifying circuit module and a load module:
the input end of the control signal generation module is connected with an input signal, the output end of the control signal generation module is connected with the input end of the linear amplification circuit module, the linear amplification circuit module outputs voltage to drive the load module, and the output end of the load module is connected with the ground;
the voltage-stabilizing power supply module comprises a positive and a negative low-voltage direct current power supply and a positive and a negative high-voltage direct current power supply, the positive and negative low-voltage direct current power supplies power for the control signal generating module and the linear amplifying circuit module; the positive and negative high-voltage direct current power supplies power for the linear amplifying circuit module;
the linear amplifying circuit module comprises a first-stage operational amplifier two-channel integration body for reducing offset voltage and amplifying analog voltage of digital-to-analog conversion by one time, and a second-stage operational amplifier two-channel integration body for amplifying analog voltage of the first-stage operational amplifier and outputting, wherein a dual-channel isolation feedback stability compensation is added at the output end of the second-stage operational amplifier to prevent self-oscillation.
The control signal generating module comprises a display screen and a voltage, waveform model and channel required by keyboard operation, the voltage, waveform model and channel are converted into binary by a program and transmitted to a core processing calling program through an interface, an output end of the core processing is connected with an input end of digital-to-analog conversion, the called program is transmitted to the digital-to-analog conversion, and the two-core digital-to-analog conversion is adopted, so that a received digital signal is converted into two paths of analog voltage values and output.
As shown in the left half of fig. 2, the linear amplifying circuit module is composed of two stages of op amps, each stage of op amp is composed of two channels, each two channels are integrated into a whole,
pins 1 to 4 of the first-stage operational amplifier are A channels, and pins 5 to 8 are B channels;
the pin 1 of the in-phase end of the first-stage operational amplifier is connected with the resistor R5 and then is connected with the pin 2 of the in-phase end of the second-stage operational amplifier, the pin 1 is connected with the anode of the diode D1 and then is connected with positive low voltage, and the pin 1 is connected with the cathode of the diode D2 and then is connected with negative low voltage;
the pin 2 of the first-stage operational amplifier is grounded after being connected with the resistor R3, the pin 2 is respectively connected with the first end of the resistor R12 and the first end of the isolation resistor Riso1 after being connected with the resistor R18, the second end of the resistor R12 is connected with the pin 1 of the second-stage operational amplifier, the second end of the isolation resistor Riso1 is connected with the pin 18 of the second-stage operational amplifier, and the resistor R18 is connected with the capacitor C15 in parallel;
the pin 3 of the first-stage operational amplifier is connected with the resistor R1 and then connected with an analog voltage signal output by digital-to-analog conversion;
the pin 4 of the first-stage operational amplifier is connected with negative low voltage, the pin 4 is connected with the positive electrode of the capacitor C1 and then grounded, and the capacitor C1 is connected with the capacitor C2 in parallel;
the pin 5 of the first-stage operational amplifier is connected with the resistor R2 and then connected with an analog voltage signal output by digital-to-analog conversion;
the pin 6 of the first-stage operational amplifier is grounded after being connected with the resistor R4, the pin 6 is respectively connected with the first end of the resistor R15 and the first end of the isolation resistor Riso2 after being connected with the resistor R11, the second end of the resistor R15 is connected with the pin 7 of the second-stage operational amplifier, the second end of the isolation resistor Riso2 is connected with the pin 15 of the second-stage operational amplifier, and the resistor R11 is connected with the capacitor C14 in parallel;
the in-phase end pin 7 of the first-stage operational amplifier is connected with the resistor R6 and then is connected with the in-phase end pin 8 of the second-stage operational amplifier; the pin 7 is connected with the anode of the diode D3 and then connected with positive low voltage, and the pin 7 is connected with the cathode of the diode D4 and then connected with negative low voltage;
the pin 8 of the first-stage operational amplifier is connected into positive low voltage, the pin 8 is connected with the positive electrode of the capacitor C3 and then grounded, and the capacitor C4 is connected with the capacitor C3 in parallel.
Preferably, the first-stage operational amplifier chip adopts OPA2277UK, the left is an A-channel first-stage operational amplifier channel, the right is a B-channel first-stage operational amplifier, the power supply pins are V-, V+, the negative low voltage is-15V, the positive low voltage is +15v, C1, C2, C3 and C4 are added at two ends of the power supply for filtering alternating current, analog voltage signals output by digital-to-analog conversion are connected to +INA and +INB in-phase input ends, -INA and INB are grounded, and the adjustable resistors R18 and R3 and the adjustable resistors R11 and R4 at the output ends of the second-stage operational amplifier are used for adjusting the multiple between the voltages at the output ends and the input ends, the C15 and C14 are subjected to smoothing treatment, OUTA and OUTB are connected with the +INA and +INB in-phase input ends of the second-stage operational amplifier, and the functions of D1 and D2 are 1N 4007.
As shown in the right half of fig. 2, pins 1 to 5 and pins 16 to 20 of the second-stage op-amp are a channels and pins 6 to 15 are B channels;
the pin 1 of the second-stage operational amplifier is grounded after being connected with the resistor R7, the pin 1 is connected with the anode of the diode D5 and then is connected with the pin 2, the pin 1 is connected with the cathode of the diode D6 and then is connected with the pin 2, and the capacitor C10 is connected between the pin 1 and the pin 18 in series;
the pin 3 of the second-stage operational amplifier is connected with the resistor R13 and then is connected with the first end of the capacitor C11, the second end of the capacitor C11 is connected with the pin 19 of the second-stage operational amplifier, and the second end of the capacitor C11 is connected with the pin 20 of the second-stage operational amplifier after being connected with the capacitor C12 in series;
the pin 4 of the second-stage operational amplifier is sequentially connected with the resistor R9 and the capacitor C7 in series and then connected with the pin 5;
the pin 6 of the second-stage operational amplifier is connected with negative high voltage, the pin 6 is connected with the positive electrode of the capacitor C5 and then grounded, and the capacitor C6 is connected with the capacitor C5 in parallel; the pin 6 is connected with the first end of the capacitor C9, the second end of the capacitor C9 is connected with the pin 13, and the second end of the capacitor C9 is connected with the capacitor C8 and the resistor R10 in series in sequence and then is connected with the pin 10;
the pin 7 of the second-stage operational amplifier is grounded after being connected with the resistor R8, the pin 7 is connected with the anode of the diode D7 and then is connected with the pin 8, the pin 7 is connected with the cathode of the diode D8 and then is connected with the pin 8, and the capacitor C16 is connected between the pin 15 and the pin 7 in series;
the pin 9 of the second-stage operational amplifier is sequentially connected with the resistor R14 and the capacitor C13 in series and then connected with the pin 11;
the pin 12 of the second-stage operational amplifier is connected to positive high voltage, the pin 12 is connected to the positive electrode of the capacitor C17 and then grounded, and the capacitor C18 is connected in parallel with the capacitor C17;
the pin 14 of the second-stage operational amplifier is connected with the resistor R17 in series and then is connected with the pin 15;
the pin 16 of the second-stage operational amplifier is connected to positive high voltage, the pin 16 is connected to the positive electrode of the capacitor C21 and then grounded, and the capacitor C22 is connected in parallel with the capacitor C21;
the pin 17 of the second-stage operational amplifier is connected with the rear pin 18 of the resistor R16 in series;
the first end of the isolation resistor Riso2 is connected with the anode of the diode D11 and then connected with positive high voltage, the first end of the isolation resistor Riso2 is connected with the cathode of the diode D12 and then connected with negative high voltage, and the first end of the isolation resistor Riso2 is connected with the piezoelectric ceramic Cpzt2 and then grounded;
the first end of the isolation resistor Riso1 is connected with the anode of the diode D9 and then connected with positive high voltage, the first end of the isolation resistor Riso1 is connected with the cathode of the diode D10 and then connected with negative high voltage, and the first end of the isolation resistor Riso1 is connected with the piezoelectric ceramic Cpzt1 and then grounded.
Preferably, the second-stage operational amplifier chip adopts PA79DK, the upper half part is an A channel pin, the lower half part is a B channel pin, two paths of positive and negative power supply are adopted, + VsA, + VsB is 168V, -VsA, -VsB is-168V, C5, C6 and C17, C18 and C19, C20 and C21, C22 are used for filtering alternating current, phase compensation is composed of positive compensation R9, C7, R14 and C13, and negative compensation is composed of R13, C11, R10 and C8, so that bandwidth can be improved, and stability of a circuit is improved; c12 and C9 are added to pins Cc-A, -VsA and Cc-B, -VsB to prevent oscillation generated by the falling edge of the output terminal; d5, D6, D7, D8 are input protection diodes, D9, D10, D11, D12 are output protection diodes, R16, R17 are current limiting resistors, so that the output voltage of the AB channel is about 180mA, and a 1W high-precision resistor is used.
The internal resistance of the output end of the operational amplifier and the equivalent capacitance of the piezoelectric stack form a low-pass network, the RC network can enable the phase margin of the amplifier to be low, so that self-oscillation is caused, the internal resistance is in the pins VOUTA and VOUTB of the PA79DK, an isolation resistor Riso1 and feedback capacitors C10, R12 and R7 are added to the output end of the VOUTA to be feedback resistors, an isolation resistor Riso2 and feedback capacitors C16, R15 and R8 are added to the output end of the VOUTB to be feedback resistors, and the circuit is stable.
In the embodiments of the present invention, the descriptions not related to the embodiments are known in the art, and may be implemented with reference to the known art.
Claims (1)
1. A bipolar piezoelectric ceramic driving power supply is characterized by comprising a stabilized voltage power supply module, a control signal generating module, a linear amplifying circuit module and a load module,
the input end of the control signal generation module is connected with an input signal, the output end of the control signal generation module is connected with the input end of the linear amplification circuit module, the linear amplification circuit module outputs voltage to drive the load module, and the output end of the load module is connected with the ground;
the voltage-stabilizing power supply module comprises a positive low-voltage direct-current power supply, a negative high-voltage direct-current power supply and a positive low-voltage direct-current power supply, wherein the positive low-voltage direct-current power supply and the negative low-voltage direct-current power supply power the control signal generation module and the linear amplifying circuit module; the positive and negative high-voltage direct current power supplies power for the linear amplifying circuit module;
the linear amplifying circuit module comprises a first-stage operational amplifier for reducing offset voltage and amplifying analog voltage of digital-to-analog conversion by one time, wherein two channels are integrated into a whole, a second-stage operational amplifier for amplifying analog voltage of the first-stage operational amplifier and outputting the analog voltage is integrated into a whole, and the output end of the second-stage operational amplifier is added with stability compensation of double-channel isolation feedback;
the control signal generation module comprises a display screen and a voltage, a waveform model and a channel required by keyboard operation, the voltage, the waveform model and the channel are converted into binary by a program and transmitted to a core processing calling program through an interface, an output end of the core processing is connected with an input end of digital-to-analog conversion, the called program is transmitted to the digital-to-analog conversion, and the two-core digital-to-analog conversion is adopted, so that a received digital signal is converted into two paths of analog voltage values and output;
the linear amplifying circuit module is composed of two stages of operational amplifiers, each stage of operational amplifier is composed of two channels, each two channels are integrated into a whole,
pins 1 to 4 of the first-stage operational amplifier are A channels, and pins 5 to 8 are B channels; the pin 1 of the in-phase end of the first-stage operational amplifier is connected with the resistor R5 and then is connected with the pin 2 of the in-phase end of the second-stage operational amplifier, the pin 1 is connected with the anode of the diode D1 and then is connected with positive low voltage, and the pin 1 is connected with the cathode of the diode D2 and then is connected with negative low voltage; the pin 2 of the first-stage operational amplifier is grounded after being connected with the resistor R3, the pin 2 is respectively connected with the first end of the resistor R12 and the first end of the isolation resistor Riso1 after being connected with the resistor R18, the second end of the resistor R12 is connected with the pin 1 of the second-stage operational amplifier, the second end of the isolation resistor Riso1 is connected with the pin 18 of the second-stage operational amplifier, and the resistor R18 is connected with the capacitor C15 in parallel; the pin 3 of the first-stage operational amplifier is connected with the resistor R1 and then connected with an analog voltage signal output by digital-to-analog conversion; the pin 4 of the first-stage operational amplifier is connected with negative low voltage, the pin 4 is connected with the positive electrode of the capacitor C1 and then grounded, and the capacitor C1 is connected with the capacitor C2 in parallel; the pin 5 of the first-stage operational amplifier is connected with the resistor R2 and then connected with an analog voltage signal output by digital-to-analog conversion; the pin 6 of the first-stage operational amplifier is grounded after being connected with the resistor R4, the pin 6 is respectively connected with the first end of the resistor R15 and the first end of the isolation resistor Riso2 after being connected with the resistor R11, the second end of the resistor R15 is connected with the pin 7 of the second-stage operational amplifier, the second end of the isolation resistor Riso2 is connected with the pin 15 of the second-stage operational amplifier, and the resistor R11 is connected with the capacitor C14 in parallel; the in-phase end pin 7 of the first-stage operational amplifier is connected with the resistor R6 and then is connected with the in-phase end pin 8 of the second-stage operational amplifier; the pin 7 is connected with the anode of the diode D3 and then connected with positive low voltage, and the pin 7 is connected with the cathode of the diode D4 and then connected with negative low voltage; the pin 8 of the first-stage operational amplifier is connected with positive low voltage, the pin 8 is connected with the positive electrode of the capacitor C3 and then grounded, and the capacitor C4 is connected with the capacitor C3 in parallel;
pins 1 to 5 and pins 16 to 20 of the second-stage operational amplifier are A channels, and pins 6 to 15 are B channels; the pin 1 of the second-stage operational amplifier is grounded after being connected with the resistor R7, the pin 1 is connected with the anode of the diode D5 and then is connected with the pin 2, the pin 1 is connected with the cathode of the diode D6 and then is connected with the pin 2, and the capacitor C10 is connected between the pin 1 and the pin 18 in series; the pin 3 of the second-stage operational amplifier is connected with the resistor R13 and then is connected with the first end of the capacitor C11, the second end of the capacitor C11 is connected with the pin 19 of the second-stage operational amplifier, and the second end of the capacitor C11 is connected with the pin 20 of the second-stage operational amplifier after being connected with the capacitor C12 in series; the pin 4 of the second-stage operational amplifier is sequentially connected with the resistor R9 and the capacitor C7 in series and then connected with the pin 5; the pin 6 of the second-stage operational amplifier is connected with negative high voltage, the pin 6 is connected with the positive electrode of the capacitor C5 and then grounded, and the capacitor C6 is connected with the capacitor C5 in parallel; the pin 6 is connected with the first end of the capacitor C9, the second end of the capacitor C9 is connected with the pin 13, and the second end of the capacitor C9 is connected with the capacitor C8 and the resistor R10 in series in sequence and then is connected with the pin 10; the pin 7 of the second-stage operational amplifier is grounded after being connected with the resistor R8, the pin 7 is connected with the anode of the diode D7 and then is connected with the pin 8, the pin 7 is connected with the cathode of the diode D8 and then is connected with the pin 8, and the capacitor C16 is connected between the pin 15 and the pin 7 in series;
the pin 9 of the second-stage operational amplifier is sequentially connected with the resistor R14 and the capacitor C13 in series and then connected with the pin 11; the pin 12 of the second-stage operational amplifier is connected to positive high voltage, the pin 12 is connected to the positive electrode of the capacitor C17 and then grounded, and the capacitor C18 is connected in parallel with the capacitor C17; the pin 14 of the second-stage operational amplifier is connected with the resistor R17 in series and then is connected with the pin 15; the pin 16 of the second-stage operational amplifier is connected to positive high voltage, the pin 16 is connected to the positive electrode of the capacitor C21 and then grounded, and the capacitor C22 is connected in parallel with the capacitor C21; the pin 17 of the second-stage operational amplifier is connected with the rear pin 18 of the resistor R16 in series; the first end of the isolation resistor Riso2 is connected with the anode of the diode D11 and then connected with positive high voltage, the first end of the isolation resistor Riso2 is connected with the cathode of the diode D12 and then connected with negative high voltage, and the first end of the isolation resistor Riso2 is connected with the piezoelectric ceramic Cpzt2 and then grounded; the first end of the isolation resistor Riso1 is connected with the anode of the diode D9 and then connected with positive high voltage, the first end of the isolation resistor Riso1 is connected with the cathode of the diode D10 and then connected with negative high voltage, and the first end of the isolation resistor Riso1 is connected with the piezoelectric ceramic Cpzt1 and then grounded.
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101039084A (en) * | 2007-04-20 | 2007-09-19 | 哈尔滨工程大学 | Wide-band piezoelectric ceramics driving power source |
| CN101599715A (en) * | 2009-06-25 | 2009-12-09 | 天津大学 | Dynamic bipolar drive power supply for piezoelectric ceramics and implementation method |
| CN102049772A (en) * | 2010-10-31 | 2011-05-11 | 华南理工大学 | Integral drive power supply and method for miniature piezoelectricity-driven electromagnetic robot |
| CN107070298A (en) * | 2017-03-13 | 2017-08-18 | 中国科学院自动化研究所 | Piezoelectric Ceramic control system |
| CN107508489A (en) * | 2017-08-30 | 2017-12-22 | 天津大学 | A kind of Piezoelectric Ceramic device and driving method |
-
2021
- 2021-07-27 CN CN202110848434.7A patent/CN113556055B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101039084A (en) * | 2007-04-20 | 2007-09-19 | 哈尔滨工程大学 | Wide-band piezoelectric ceramics driving power source |
| CN101599715A (en) * | 2009-06-25 | 2009-12-09 | 天津大学 | Dynamic bipolar drive power supply for piezoelectric ceramics and implementation method |
| CN102049772A (en) * | 2010-10-31 | 2011-05-11 | 华南理工大学 | Integral drive power supply and method for miniature piezoelectricity-driven electromagnetic robot |
| CN107070298A (en) * | 2017-03-13 | 2017-08-18 | 中国科学院自动化研究所 | Piezoelectric Ceramic control system |
| CN107508489A (en) * | 2017-08-30 | 2017-12-22 | 天津大学 | A kind of Piezoelectric Ceramic device and driving method |
Non-Patent Citations (3)
| Title |
|---|
| High-Performance Linear Products/Analog Field Applications;Pete Wilson, P.E.;《TEXAS INSTRUMENTS》;1-10 * |
| Power Operational Amplifier;无;《APEX》;1-11 * |
| 基于PA79压电陶瓷驱动设计;刘畅;艾红;;中国仪器仪表(第07期);77-81 * |
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