CN113904569A - Ultrasonic drive circuit - Google Patents
Ultrasonic drive circuit Download PDFInfo
- Publication number
- CN113904569A CN113904569A CN202111222825.4A CN202111222825A CN113904569A CN 113904569 A CN113904569 A CN 113904569A CN 202111222825 A CN202111222825 A CN 202111222825A CN 113904569 A CN113904569 A CN 113904569A
- Authority
- CN
- China
- Prior art keywords
- pin
- resistor
- circuit
- chip
- capacitor
- 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
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/02—Conversion of ac power input into dc power output without possibility of reversal
- H02M7/04—Conversion of ac power input into dc power output without possibility of reversal by static converters
- H02M7/06—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes without control electrode or semiconductor devices without control electrode
- H02M7/068—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes without control electrode or semiconductor devices without control electrode mounted on a transformer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
- B23K20/10—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating making use of vibrations, e.g. ultrasonic welding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
- B23K20/26—Auxiliary equipment
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/20—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for electronic equipment
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
- H02M3/04—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Mechanical Engineering (AREA)
- Amplifiers (AREA)
Abstract
The invention discloses an ultrasonic drive circuit, which relates to the field of electronic circuits and comprises a main control circuit, an LC resonance circuit for selecting a proper frequency band, a current and voltage acquisition circuit connected with the LC resonance circuit and the main control circuit, a rectifier bridge circuit used for protecting circuit overcurrent/overvoltage/realizing circuit conversion and connected with the LC resonance circuit, a signal circuit connected with the main control circuit and used for controlling ultrasonic start/stop, an external interface circuit used for controlling ultrasonic signals and 458 communication interfaces, a 485 communication circuit used for connecting external 485 signals and the main control circuit for communication, and a DC-DC circuit used for voltage reduction. Through external input 485 control signal and start stop signal, drive ultrasonic wave work can oneself select comparatively suitable LC resonant circuit, can realize remote 485 control, control safety, and control signal keeps apart, can adjust the inductance value and acquire suitable drive ultrasonic wave mode, and control fault rate is low, control detection current voltage, comparatively safe.
Description
Technical Field
The invention relates to the field of electronic circuits, in particular to an ultrasonic drive circuit.
Background
Ultrasonic drive device on the market is not enough complete to ultrasonic wave application drive effect, and control product stability can be general, and the time can appear the deviation etc. of having a specified duration, can't reach more high-efficient, and the application is also not nimble enough.
Disclosure of Invention
The invention aims to provide an ultrasonic drive circuit.
In order to achieve the purpose, the invention provides the following technical scheme:
an ultrasonic drive circuit comprises a main control circuit, an LC resonance circuit for selecting a proper frequency band, a current and voltage acquisition circuit connected with the LC resonance circuit and the main control circuit, a rectifier bridge circuit used for protecting circuit overcurrent/overvoltage/realizing circuit conversion and connected with the LC resonance circuit, a signal circuit connected with the main control circuit and used for controlling ultrasonic start/stop, an external interface circuit used for controlling ultrasonic signals and 458 communication interfaces, a 485 communication circuit used for connecting external 485 signals and the main control circuit for communication, and a DC-DC circuit used for voltage reduction.
Through external input 485 control signal and start stop signal, drive ultrasonic wave work can oneself select comparatively suitable LC resonant circuit, can realize remote 485 control, control safety, and control signal keeps apart, can adjust the inductance value and acquire suitable drive ultrasonic wave mode, and control fault rate is low, control detection current voltage, comparatively safe.
Further, the main control circuit includes a MM32SPIN27PF chip U1, a debug interface, a plurality of resistors and a plurality of capacitors, a 1 st pin of the MM32SPIN27PF chip U1 is connected to a second end of the capacitor C5 and connected with a 3.3V, a 7 th pin of the MM32SPIN27 1 chip U1 is connected to a second end of the resistor R1 and a second end of the capacitor C1, a 8 th pin of the MM32SPIN27 1 chip U1 is connected to a first end of the capacitor C1, a second end of the capacitor C1 is connected to a 9 th pin of the MM32SPIN27 1 chip U1 and a second end of the bead FB1, a 23 th pin of the MM32SPIN27 1 chip U1 is connected to a second end of the capacitor C1, a first end of the capacitor C1 is connected to a 24 th pin of the MM32SPIN27 chip U1 and connected with a 3.3V, a first end of the capacitor C1 of the MM32SPIN 72 is connected to a capacitor C1 of the MM SPIN 72, a capacitor C1 of the MM32SPIN 72 is connected to a second end of the capacitor C1 of the chip 1, a capacitor C1 is connected to a capacitor C1 of the second end of the MM32SPIN 72 of the capacitor C1 of the MM32SPIN 1 and a capacitor C1; the clock circuit further comprises a crystal oscillator Y1 for improving clock accuracy, wherein a first end of the crystal oscillator Y1 is respectively connected with a 5 th pin of the MM32SPIN27PF chip U1, a first end of a resistor R3 and a second end of a capacitor C4, and a second end of the crystal oscillator Y1 is respectively connected with a 6 th pin of the MM32SPIN27PF chip U1, a second end of a resistor R3 and a second end of the capacitor C7.
Further, the external interface circuit includes a 6PIN interface P5; the 485 communication circuit comprises a SIT3485 chip U5, a first PIN 1 of a U5 of the SIT3485 chip U5 is connected with a second PIN 43 of a U1 of a MM32SPIN27 chip MM32SPIN 27U 638 through a resistor R44, a second PIN2 and a third PIN 3 of a U5 of the SIT3485 chip U5 are connected with a second PIN 32 of a U1 of a MM32SPIN27 chip U1 through a resistor R47, a second PIN 5 of the U5 of the SIT3485 chip U5 is connected with a second end of a resistor R102, a first end of the resistor R102 is connected with a first PIN 7 of the U5 of the SIT3485 chip U5, a first end of the resistor R101 and a first end of a resistor R45, a first end of the resistor R45 is connected with a first end of the first PIN 6 of the U5 of the SIT3485 chip U5 is connected with a second end of the resistor R100, a second end of the resistor R63101, a second end of the resistor R48, a second end of the resistor R3424, a second end of the SIT 3424 is connected with a second PIN 596 of the PIN diode 596 and the PIN 596 of the PIN diode 596, the second end of the resistor R48 is connected with the cathode of the voltage stabilizing diode D22-1, the 5 th PIN of the external interface circuit 6PIN interface P5, the first end of the resistor R103 and the first end of the resistor R104, the second end of the resistor R103 and the second end of the resistor R104 are connected with the 1 st PIN of the RES-EN chip J1, and the 2 nd PIN of the RES-EN chip J1 is connected with the cathode of the voltage stabilizing diode D22-2 and the 6 th PIN of the external interface circuit 6PIN interface P5.
Further, the LC resonance circuit comprises a transient diode D1, a transient diode D3, a voltage transformer T1, a voltage transformer T2, a MOS transistor Q1, a MOS transistor Q3, a plurality of capacitors and resistors; a first terminal of the transient diode D1 is connected to a first terminal of the resistor R10 and a first terminal of the resistor R8, a second terminal of the transient diode D1 is connected to a second terminal of the resistor R10, a source of the MOS transistor Q1, a drain of the MOS transistor Q3, and a 2 nd pin of the voltage transformer T2, a first terminal of the transient diode D3 is connected to a first terminal of the resistor R12 and a first terminal of the resistor R16, a second terminal of the transient diode D3 is connected to a second terminal of the resistor R16, a source of the MOS transistor Q3, and a first terminal of the capacitor C14, a second terminal of the resistor R8 is connected to a gate of the MOS transistor Q1, a second terminal of the resistor R12 is connected to a gate of the MOS transistor Q3, a second terminal of the capacitor C14 is connected to a second terminal of the capacitor C13 and a 5 th pin of the voltage transformer T2, a 10 th pin, a 11 th pin and a 12 th pin of the voltage transformer T2 are connected to a first terminal of the selection switch T1, a 7 th pin of the voltage transformer T2 is respectively connected with a first end of a capacitor C22, a first end of a capacitor C25 and a first end of a capacitor C28, a second end of the capacitor C28 is respectively connected with a second end of a capacitor C25 and grounded, a second end of a capacitor C22 is respectively connected with the capacitor C20, the capacitor C19 and the capacitor C17 in series, the capacitor C17 is respectively connected with four selector switches, and the four selector switches are respectively correspondingly connected with an 8 th pin, a 9 th pin, a 10 th pin and an 11 th pin of the voltage transformer T1;
the current and voltage acquisition circuit comprises a plurality of operational amplifiers, a plurality of diodes, a plurality of capacitors and a plurality of resistors;
the rectifier bridge circuit comprises an ACIN interface P6, a fuse F1, a plurality of piezoresistors, a plurality of resistors, a transformer T5, a rectifier bridge D23 and a plurality of capacitors, wherein a pin 3 of the ACIN interface P6 is connected with a first end of a fuse F1, a second end of a fuse F1 is connected with a first end of a piezoresistor R54, a first end of a piezoresistor R52, a first end of a capacitor C38 and a pin2 of the transformer T5, a second end of a piezoresistor R54 is connected with a second end of a thermistor R57, a second end of a resistor R56, a second end of a capacitor C38 and a pin 1 of the transformer T5, and a first end of the resistor R56 is connected with a second end of the resistor R52; the 3 rd pin of the transformer T5 is connected with the first end of the capacitor C39 and the 2 nd pin of the rectifier bridge D23, the 4 th pin of the transformer T5 is connected with the second end of the capacitor C39 and the 3 rd pin of the rectifier bridge D23, the 1 st pin of the rectifier bridge D23 is connected with the first end of the resistor R50, the first end of the capacitor C35 and the first end of the capacitor C36 respectively, the 4 th pin of the rectifier bridge D23 is connected with the second end of the resistor R53, the second end of the capacitor C35 and the second end of the capacitor C36 respectively, and the first end of the resistor R53 is connected with the second end of the resistor R50.
Further, the signal circuit for controlling the ultrasonic start/stop includes an EL357N chip U11, a 1 st PIN of an EL357N chip U11 is connected to a first end of a resistor R99 and a second end of a resistor R85, a 2 nd PIN of an EL357N chip U11 is connected to a second end of a resistor R99 and a second end of a resistor R87, a first end of a resistor R85 is connected to a 1 st PIN of an external interface circuit 6PIN interface P5, a first end of a resistor R87 is connected to a 2 nd PIN of an external interface circuit 6PIN interface P5, a 4 th PIN of an EL357N chip U11 is connected to a first end of a resistor R81 and a first end of a resistor R83, and a second end of a resistor R83 is connected to a 31 th PIN of a MM32SPIN27PF chip U1 and a capacitor C56.
The bus overcurrent protection circuit is connected with the current detection control circuit;
the current detection control circuit comprises a CC6902-10 chip U4;
the bus current detection circuit comprises an operational amplifier, a plurality of resistors and a plurality of capacitors;
the bus overcurrent protection circuit comprises an operational amplifier, a plurality of resistors and a plurality of capacitors.
Further, the ultrasonic wave ultrasonic generator also comprises a singlechip power supply circuit, an ultrasonic drive circuit and a switching power supply which are connected with the main control circuit;
the singlechip power supply circuit comprises an AMS1117 chip VR 1;
the ultrasonic driving circuit comprises an EG2134 chip U15, a voltage transformer T3, a voltage transformer T4, a plurality of resistors and a plurality of capacitors, wherein a 1 st pin of the EG2134 chip U15 is connected with a 29 th pin of a MM32SPIN27PF chip U1, a 4 th pin, a 5 th pin and a 6 th pin of the EG2134 chip U15 are respectively connected with a 30 th pin, a 26 th pin and a 27 th pin of a MM32SPIN27PF chip U1, a 10 th pin of the EG2134 chip U15 is connected with a first end of the resistor R38, a second end of the resistor R38 is connected with a 3 rd pin of the voltage transformer T3, a 1 st pin of the voltage transformer T3 is connected with a 19 th pin of the EG2134 chip U15 through a capacitor C24, a 4 th pin of the voltage transformer T3 is connected with a first end of the capacitor C27, and a second end of the capacitor C27 is connected with a 6 th pin of the voltage transformer T3 through a resistor R34; a 9 th pin of an EG2134 chip U15 is connected with a first end of a resistor R31, a second end of the resistor R31 is connected with a 3 rd pin of a voltage transformer T4, a 1 st pin of the voltage transformer T4 is connected with an 11 th pin of an EG2134 chip U15 through a capacitor C30, a 4 th pin of the voltage transformer T4 is connected with a first end of the capacitor C26, and a second end of a capacitor C26 is connected with a 6 th pin of the voltage transformer T4 through the resistor R33;
the switching power supply comprises an SD6832 chip U8, an EL817C chip U9, a transformer T7, a magnetic core inductor L2, a plurality of voltage-stabilizing diodes, a plurality of resistors, a plurality of capacitors and an electrolytic capacitor, and the voltage obtained by the rectifier bridge is used for obtaining a required voltage value through the SD6832 chip U8 and the transformer T7.
Further, the system also comprises a power grid voltage acquisition circuit and a temperature acquisition circuit which are connected with the main control circuit;
the grid voltage acquisition circuit comprises a voltage transformer T6, a 2 nd pin of the voltage transformer T6 is connected with a second end of a resistor R60 and a second end of a capacitor C42, a 4 th pin of the voltage transformer T6 is connected with a first end of a resistor R60, a first end of a capacitor C42 and a first end of a resistor R58, and a second end of a resistor R58 is connected with a capacitor C43, a negative electrode of a diode D24-1, a positive electrode of a diode D24-2 and a 17 th pin of a MM32SPIN27PF chip U1;
the temperature acquisition circuit is used for calculating a temperature value and comprises two external temperature sensors.
Further, the LED lamp also comprises a buzzer driving circuit and an LED driving circuit which are connected with the main control circuit;
the buzzer driving circuit comprises a triode Q2 and a buzzer LS1, and the on-off of the buzzer LS1 is controlled through a triode Q2;
the LED driving circuit is used for displaying whether the circuit is electrified or not and comprises a light emitting diode.
Furthermore, the device also comprises a memory circuit connected with the main control circuit and used for reading the originally stored data after power failure, wherein the memory circuit comprises a 24C08 chip U2.
Drawings
FIG. 1 is a schematic diagram of a main control circuit according to the present invention.
Fig. 2 shows an external interface circuit and a 485 communication circuit according to the present invention.
Fig. 3 is an LC resonant circuit of the present invention.
Fig. 4 is a current and voltage acquisition circuit according to the present invention.
FIG. 5 is a rectifier bridge circuit of the present invention.
FIG. 6 is a signal circuit for controlling the start/stop of ultrasonic waves according to the present invention.
Fig. 7 shows a current detection control circuit, a bus current detection circuit, and a bus overcurrent protection circuit according to the present invention.
Fig. 8 shows a power supply circuit, an ultrasonic drive circuit and a switching power supply circuit of the single chip microcomputer.
Fig. 9 shows a voltage acquisition circuit and a temperature acquisition circuit of the power grid according to the invention.
Fig. 10 shows a buzzer driving circuit and an LED driving circuit according to the present invention.
FIG. 11 shows a memory circuit according to the present invention.
Fig. 12 is a DC-DC circuit of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
An ultrasonic drive circuit comprises a main control circuit, an LC resonance circuit for selecting a proper frequency band, a current and voltage acquisition circuit connected with the LC resonance circuit and the main control circuit, a rectifier bridge circuit used for protecting circuit overcurrent/overvoltage/realizing circuit conversion and connected with the LC resonance circuit, a signal circuit connected with the main control circuit and used for controlling ultrasonic start/stop, an external interface circuit used for controlling ultrasonic signals and 458 communication interfaces, a 485 communication circuit used for connecting external 485 signals and the main control circuit for communication, and a DC-DC circuit used for voltage reduction.
Through external input 485 control signal and start stop signal, drive ultrasonic wave work can oneself select comparatively suitable LC resonant circuit, can realize remote 485 control, control safety, and control signal keeps apart, can adjust the inductance value and acquire suitable drive ultrasonic wave mode, and control fault rate is low, control detection current voltage, comparatively safe.
Referring to fig. 1, the main control circuit includes a MM32SPIN27PF chip U1, a debug interface, a plurality of resistors and a plurality of capacitors, a first pin 1 of the MM32SPIN27PF chip U1 is connected to a second terminal of the capacitor C5 and connected with a 3.3V, a second pin 7 of the MM32SPIN27 chip U1 is connected to a second terminal of the resistor R1 and a second terminal of the capacitor C1, a second pin 8 of the MM32SPIN27 chip U1 is connected to a first terminal of the capacitor C1, a second terminal of the capacitor C1 is connected to a second pin 9 of the MM32SPIN27 chip U1 and a second terminal of the bead FB1, a second pin 23 of the MM32SPIN27 1 chip U1 is connected to a second terminal of the capacitor C1, a first terminal of the capacitor C1 is connected to a first pin 24 of the MM32SPIN27 chip U1 and connected with a 3.3V, a second pin 23 of the MM32SPIN 72 of the MM SPIN27 chip spn 27 chip 1 is connected to a second terminal of the capacitor C1, a first terminal of the MM32SPIN 72 is connected to a capacitor C1 of the MM32SPIN 72 and a second terminal of the capacitor C1 is connected to a capacitor C1 of the chip 1 and a capacitor C1 of the capacitor C1; the clock circuit further comprises a crystal oscillator Y1 for improving clock accuracy, wherein a first end of the crystal oscillator Y1 is respectively connected with a 5 th pin of the MM32SPIN27PF chip U1, a first end of a resistor R3 and a second end of a capacitor C4, and a second end of the crystal oscillator Y1 is respectively connected with a 6 th pin of the MM32SPIN27PF chip U1, a second end of a resistor R3 and a second end of the capacitor C7.
Referring to fig. 2, the external interface circuit includes a 6PIN interface P5; the 485 communication circuit comprises a SIT3485 chip U5, a first PIN 1 of a U5 of the SIT3485 chip U5 is connected with a second PIN 43 of a U1 of a MM32SPIN27 chip MM 638 through a resistor R44, a second PIN2 and a third PIN 3 of the U5 of the SIT3485 chip U638 are connected with a second PIN 32 of a U1 of the MM32SPIN27 chip MM32SPIN27 through a resistor R47, a second PIN 4 of the U5 of the SIT3485 chip U5 is connected with a second PIN 42 of the U1 of the MM32SPIN27 chip MM 27 MM32, a 5 th PIN 5 of the U5 of the SIT3485 chip U5 is connected with a second terminal of a resistor R102, a first terminal of the resistor R102 is connected with a first terminal 7 of the U5 of the SIT3485 chip U5, a first terminal of the resistor R101 and a first terminal of the resistor R45, a first terminal of the SIT3485 chip U5 is connected with a second terminal of the resistor R63101, a second terminal of the first terminal of the SIT3485 chip U5, a second terminal of the resistor R638, a second terminal of the resistor R596, a second terminal of the PIN 596 of the SIT 596 is connected with a second terminal of the PIN 596 of the resistor R596 and a PIN 596 of the PIN diode and the PIN diode 596, a PIN 596 of the PIN diode, the PIN diode 596 and the PIN diode 596, the second end of the resistor R48 is connected with the cathode of the voltage stabilizing diode D22-1, the 5 th PIN of the external interface circuit 6PIN interface P5, the first end of the resistor R103 and the first end of the resistor R104, the second end of the resistor R103 and the second end of the resistor R104 are connected with the 1 st PIN of the RES-EN chip J1, and the 2 nd PIN of the RES-EN chip J1 is connected with the cathode of the voltage stabilizing diode D22-2 and the 6 th PIN of the external interface circuit 6PIN interface P5.
Referring to fig. 3, the LC resonant circuit includes a transient diode D1, a transient diode D3, a voltage transformer T1, a voltage transformer T2, a MOS transistor Q1, a MOS transistor Q3, a plurality of capacitors and a resistor; a first terminal of the transient diode D1 is connected to a first terminal of the resistor R10 and a first terminal of the resistor R8, a second terminal of the transient diode D1 is connected to a second terminal of the resistor R10, a source of the MOS transistor Q1, a drain of the MOS transistor Q3, and a 2 nd pin of the voltage transformer T2, a first terminal of the transient diode D3 is connected to a first terminal of the resistor R12 and a first terminal of the resistor R16, a second terminal of the transient diode D3 is connected to a second terminal of the resistor R16, a source of the MOS transistor Q3, and a first terminal of the capacitor C14, a second terminal of the resistor R8 is connected to a gate of the MOS transistor Q1, a second terminal of the resistor R12 is connected to a gate of the MOS transistor Q3, a second terminal of the capacitor C14 is connected to a second terminal of the capacitor C13 and a 5 th pin of the voltage transformer T2, a 10 th pin, a 11 th pin and a 12 th pin of the voltage transformer T2 are connected to a first terminal of the selection switch T1, a 7 th pin of the voltage transformer T2 is respectively connected with a first end of a capacitor C22, a first end of a capacitor C25 and a first end of a capacitor C28, a second end of the capacitor C28 is respectively connected with a second end of a capacitor C25 and grounded, a second end of a capacitor C22 is respectively connected with the capacitor C20, the capacitor C19 and the capacitor C17 in series, the capacitor C17 is respectively connected with four selector switches, and the four selector switches are respectively correspondingly connected with an 8 th pin, a 9 th pin, a 10 th pin and an 11 th pin of the voltage transformer T1;
referring to fig. 4, the current and voltage collecting circuit includes a plurality of operational amplifiers, a plurality of diodes, a plurality of capacitors, and a plurality of resistors;
referring to fig. 5, the rectifier bridge circuit includes an ACIN interface P6, a fuse F1, a plurality of piezoresistors, a plurality of resistors, a transformer T5, a rectifier bridge D23 and a plurality of capacitors, a pin 3 of the ACIN interface P6 is connected to a first end of the fuse F1, a second end of the fuse F1 is connected to a first end of the piezoresistor R54, a first end of the piezoresistor R52, a first end of the capacitor C38 and a pin2 of the transformer T5, a second end of the piezoresistor R54 is connected to a second end of the thermistor R57, a second end of the resistor R56, a second end of the capacitor C38 and a pin 1 of the transformer T5, and a first end of the resistor R56 is connected to a second end of the resistor R52; the 3 rd pin of the transformer T5 is connected with the first end of the capacitor C39 and the 2 nd pin of the rectifier bridge D23, the 4 th pin of the transformer T5 is connected with the second end of the capacitor C39 and the 3 rd pin of the rectifier bridge D23, the 1 st pin of the rectifier bridge D23 is connected with the first end of the resistor R50, the first end of the capacitor C35 and the first end of the capacitor C36 respectively, the 4 th pin of the rectifier bridge D23 is connected with the second end of the resistor R53, the second end of the capacitor C35 and the second end of the capacitor C36 respectively, and the first end of the resistor R53 is connected with the second end of the resistor R50.
Referring to fig. 6, the signal circuit for controlling the start/stop of the ultrasonic wave includes an EL357N chip U11, a 1 st PIN of the EL357N chip U11 is connected to a first terminal of a resistor R99 and a second terminal of a resistor R85, a 2 nd PIN of an EL357N chip U11 is connected to a second terminal of the resistor R99 and a second terminal of a resistor R87, a first terminal of the resistor R85 is connected to a 1 st PIN of an external interface circuit 6PIN interface P5, a first terminal of the resistor R87 is connected to a 2 nd PIN of the external interface circuit 6PIN interface P5, a 4 th PIN of the EL357N chip U11 is connected to a first terminal of the resistor R81 and a first terminal of the resistor R83, and a second terminal of the resistor R83 is connected to a 31 th PIN of the MM32SPIN27PF chip U1 and a capacitor C56.
Referring to fig. 7, the current detection control circuit, the bus current detection circuit connected to the current detection control circuit, and the bus overcurrent protection circuit are further included;
the current detection control circuit comprises a CC6902-10 chip U4;
the bus current detection circuit comprises an operational amplifier, a plurality of resistors and a plurality of capacitors;
the bus overcurrent protection circuit comprises an operational amplifier, a plurality of resistors and a plurality of capacitors.
Referring to fig. 8, the ultrasonic wave ultrasonic;
the singlechip power supply circuit comprises an AMS1117 chip VR 1;
the ultrasonic driving circuit comprises an EG2134 chip U15, a voltage transformer T3, a voltage transformer T4, a plurality of resistors and a plurality of capacitors, wherein a 1 st pin of the EG2134 chip U15 is connected with a 29 th pin of a MM32SPIN27PF chip U1, a 4 th pin, a 5 th pin and a 6 th pin of the EG2134 chip U15 are respectively connected with a 30 th pin, a 26 th pin and a 27 th pin of a MM32SPIN27PF chip U1, a 10 th pin of the EG2134 chip U15 is connected with a first end of the resistor R38, a second end of the resistor R38 is connected with a 3 rd pin of the voltage transformer T3, a 1 st pin of the voltage transformer T3 is connected with a 19 th pin of the EG2134 chip U15 through a capacitor C24, a 4 th pin of the voltage transformer T3 is connected with a first end of the capacitor C27, and a second end of the capacitor C27 is connected with a 6 th pin of the voltage transformer T3 through a resistor R34; a 9 th pin of an EG2134 chip U15 is connected with a first end of a resistor R31, a second end of the resistor R31 is connected with a 3 rd pin of a voltage transformer T4, a 1 st pin of the voltage transformer T4 is connected with an 11 th pin of an EG2134 chip U15 through a capacitor C30, a 4 th pin of the voltage transformer T4 is connected with a first end of the capacitor C26, and a second end of a capacitor C26 is connected with a 6 th pin of the voltage transformer T4 through the resistor R33;
the switching power supply comprises an SD6832 chip U8, an EL817C chip U9, a transformer T7, a magnetic core inductor L2, a plurality of voltage-stabilizing diodes, a plurality of resistors, a plurality of capacitors and an electrolytic capacitor, and the voltage obtained by the rectifier bridge is used for obtaining a required voltage value through the SD6832 chip U8 and the transformer T7. The HIN1 and LIN1 of the ultrasonic drive circuit have protection mechanisms inside to prevent from being set to high level at the same time, and by this function, the upper and lower bridges of the half bridge are controlled to avoid conducting at the same time.
Referring to fig. 9, the system further includes a power grid voltage acquisition circuit and a temperature acquisition circuit connected to the main control circuit;
the grid voltage acquisition circuit comprises a voltage transformer T6, a 2 nd pin of the voltage transformer T6 is connected with a second end of a resistor R60 and a second end of a capacitor C42, a 4 th pin of the voltage transformer T6 is connected with a first end of a resistor R60, a first end of a capacitor C42 and a first end of a resistor R58, and a second end of a resistor R58 is connected with a capacitor C43, a negative electrode of a diode D24-1, a positive electrode of a diode D24-2 and a 17 th pin of a MM32SPIN27PF chip U1;
the temperature acquisition circuit is used for calculating a temperature value and comprises two external temperature sensors.
Referring to fig. 10, the electronic device further includes a buzzer driving circuit and an LED driving circuit connected to the main control circuit;
the buzzer driving circuit comprises a triode Q2 and a buzzer LS1, and the on-off of the buzzer LS1 is controlled through a triode Q2;
the LED driving circuit is used for displaying whether the circuit is electrified or not and comprises a light emitting diode.
Referring to fig. 11, the memory circuit connected to the main control circuit is further included for reading the originally saved data after power-off, and includes a 24C08 chip U2.
Referring to fig. 12, the DC-DC circuit includes EUP3458VIR1 chip U7 and AMS1117-5.0 chip VR2, the 1 st pin of EUP3458VIR1 chip U7 is connected to the first terminal of capacitor C51, the second terminal of capacitor C51 is connected to the first terminal of inductor L3 and the 6 th pin of EUP3458VIR1 chip U7, the 3 rd pin of EUP3458VIR1 chip U7 is connected to the first terminal of resistor R73, the second terminal of resistor R72 and the second terminal of capacitor C53, the first terminal of resistor R72 is connected to the second terminal of inductor L3, the first terminal of capacitor C53 and the anode of electrolytic capacitor C52, the 4 th pin of EUP3458VIR 7 chip U7 is connected to the second terminal of resistor R67, the first terminal of resistor R67 is connected to the first terminals of EUP 343458 VIR 67 and the capacitor VD 67 is connected to the voltage input terminal of capacitor VD 3612; the Vin pin of the AMS1117-5.0 chip VR2 is connected to the capacitor C70, and the Vout pin of the AMS1117-5.0 chip VR2 is connected to the capacitor C15.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (10)
1. An ultrasonic drive circuit is characterized by comprising a main control circuit, an LC resonance circuit for selecting a proper frequency band, a current and voltage acquisition circuit connected with the LC resonance circuit and the main control circuit, a rectifier bridge circuit used for protecting circuit overcurrent/overvoltage/circuit conversion and connected with the LC resonance circuit, a signal circuit connected with the main control circuit and used for controlling ultrasonic start/stop, an external interface circuit used for controlling ultrasonic signals and 458 communication interfaces, a 485 communication circuit used for connecting external 485 signals and the main control circuit for communication, and a DC-DC circuit used for voltage reduction.
2. The ultrasonic driving circuit as claimed in claim 1, wherein the master control circuit comprises a MM32SPIN27PF chip U1, a debug interface, a plurality of resistors and a plurality of capacitors, a 1 st pin of the MM32SPIN27PF chip U1 is connected to a second terminal of the capacitor C5 and is connected with a voltage of 3.3V, a 7 th pin of the MM32SPIN27PF chip U1 is connected to a second terminal of the resistor R2, the second end of the capacitor C6 is connected, the 8 th pin of the MM32SPIN27PF chip U1 is connected with the first end of the capacitor C8, the second end of the capacitor C8 is connected with the 9 th pin of the MM32SPIN27PF chip U1 and the second end of the magnetic bead FB1, the 23 th pin of the MM32SPIN27PF chip U1 is connected with the second end of the capacitor C10, the first end of the capacitor C10 is connected with the 24 th pin of the MM32SPIN27PF chip U1 and connected with 3.3V, the 44 th pin of the MM32SPIN27PF chip U1 is connected with the resistor R1, the 47 th pin of the MM32SPIN27PF chip U1 is connected with the first end of the capacitor C3, and the second end of the capacitor C3 is connected with the 48 th pin of the MM32SPIN27PF chip U1; the clock circuit further comprises a crystal oscillator Y1 for improving clock accuracy, wherein a first end of the crystal oscillator Y1 is respectively connected with a 5 th pin of the MM32SPIN27PF chip U1, a first end of a resistor R3 and a second end of a capacitor C4, and a second end of the crystal oscillator Y1 is respectively connected with a 6 th pin of the MM32SPIN27PF chip U1, a second end of a resistor R3 and a second end of the capacitor C7.
3. An ultrasonic drive circuit according to claim 2, wherein the external interface circuit comprises a 6PIN interface P5; the 485 communication circuit comprises a SIT3485 chip U5, a first PIN 1 of a U5 of the SIT3485 chip U5 is connected with a second PIN 43 of a U1 of a MM32SPIN27 chip MM32SPIN 27U 638 through a resistor R44, a second PIN2 and a third PIN 3 of a U5 of the SIT3485 chip U5 are connected with a second PIN 32 of a U1 of a MM32SPIN27 chip U1 through a resistor R47, a second PIN 5 of the U5 of the SIT3485 chip U5 is connected with a second end of a resistor R102, a first end of the resistor R102 is connected with a first PIN 7 of the U5 of the SIT3485 chip U5, a first end of the resistor R101 and a first end of a resistor R45, a first end of the resistor R45 is connected with a first end of the first PIN 6 of the U5 of the SIT3485 chip U5 is connected with a second end of the resistor R100, a second end of the resistor R63101, a second end of the resistor R48, a second end of the resistor R3424, a second end of the SIT 3424 is connected with a second PIN 596 of the PIN diode 596 and the PIN 596 of the PIN diode 596, the second end of the resistor R48 is connected with the cathode of the voltage stabilizing diode D22-1, the 5 th PIN of the external interface circuit 6PIN interface P5, the first end of the resistor R103 and the first end of the resistor R104, the second end of the resistor R103 and the second end of the resistor R104 are connected with the 1 st PIN of the RES-EN chip J1, and the 2 nd PIN of the RES-EN chip J1 is connected with the cathode of the voltage stabilizing diode D22-2 and the 6 th PIN of the external interface circuit 6PIN interface P5.
4. The ultrasonic driving circuit according to claim 2, wherein the LC resonant circuit comprises a transient diode D1, a transient diode D3, a voltage transformer T1, a voltage transformer T2, a MOS transistor Q1, a MOS transistor Q3, a plurality of capacitors and resistors; a first terminal of the transient diode D1 is connected to a first terminal of the resistor R10 and a first terminal of the resistor R8, a second terminal of the transient diode D1 is connected to a second terminal of the resistor R10, a source of the MOS transistor Q1, a drain of the MOS transistor Q3, and a 2 nd pin of the voltage transformer T2, a first terminal of the transient diode D3 is connected to a first terminal of the resistor R12 and a first terminal of the resistor R16, a second terminal of the transient diode D3 is connected to a second terminal of the resistor R16, a source of the MOS transistor Q3, and a first terminal of the capacitor C14, a second terminal of the resistor R8 is connected to a gate of the MOS transistor Q1, a second terminal of the resistor R12 is connected to a gate of the MOS transistor Q3, a second terminal of the capacitor C14 is connected to a second terminal of the capacitor C13 and a 5 th pin of the voltage transformer T2, a 10 th pin, a 11 th pin and a 12 th pin of the voltage transformer T2 are connected to a first terminal of the selection switch T1, a 7 th pin of the voltage transformer T2 is respectively connected with a first end of a capacitor C22, a first end of a capacitor C25 and a first end of a capacitor C28, a second end of the capacitor C28 is respectively connected with a second end of a capacitor C25 and grounded, a second end of a capacitor C22 is respectively connected with the capacitor C20, the capacitor C19 and the capacitor C17 in series, the capacitor C17 is respectively connected with four selector switches, and the four selector switches are respectively correspondingly connected with an 8 th pin, a 9 th pin, a 10 th pin and an 11 th pin of the voltage transformer T1;
the current and voltage acquisition circuit comprises a plurality of operational amplifiers, a plurality of diodes, a plurality of capacitors and a plurality of resistors;
the rectifier bridge circuit comprises an ACIN interface P6, a fuse F1, a plurality of piezoresistors, a plurality of resistors, a transformer T5, a rectifier bridge D23 and a plurality of capacitors, wherein a pin 3 of the ACIN interface P6 is connected with a first end of a fuse F1, a second end of a fuse F1 is connected with a first end of a piezoresistor R54, a first end of a piezoresistor R52, a first end of a capacitor C38 and a pin2 of the transformer T5, a second end of a piezoresistor R54 is connected with a second end of a thermistor R57, a second end of a resistor R56, a second end of a capacitor C38 and a pin 1 of the transformer T5, and a first end of the resistor R56 is connected with a second end of the resistor R52; the 3 rd pin of the transformer T5 is connected with the first end of the capacitor C39 and the 2 nd pin of the rectifier bridge D23, the 4 th pin of the transformer T5 is connected with the second end of the capacitor C39 and the 3 rd pin of the rectifier bridge D23, the 1 st pin of the rectifier bridge D23 is connected with the first end of the resistor R50, the first end of the capacitor C35 and the first end of the capacitor C36 respectively, the 4 th pin of the rectifier bridge D23 is connected with the second end of the resistor R53, the second end of the capacitor C35 and the second end of the capacitor C36 respectively, and the first end of the resistor R53 is connected with the second end of the resistor R50.
5. An ultrasonic driving circuit as claimed in claim 2, wherein said signal circuit for controlling the start/stop of the ultrasonic wave comprises an EL357N chip U11, a 1 st PIN of an EL357N chip U11 is connected to a first terminal of a resistor R99 and a second terminal of a resistor R85, a 2 nd PIN of an EL357N chip U11 is connected to a second terminal of a resistor R99 and a second terminal of a resistor R87, a first terminal of a resistor R85 is connected to a 1 st PIN of an external interface circuit 6PIN interface P5, a first terminal of a resistor R87 is connected to a 2 nd PIN of an external interface circuit 6PIN interface P5, a 4 th PIN of an EL357N chip U11 is connected to a first terminal of a resistor R81 and a first terminal of a resistor R83, and a second terminal of a resistor R83 is connected to a 31 th PIN of a MM32SPIN27PF chip U1 and a capacitor C56.
6. The ultrasonic drive circuit according to claim 1, further comprising a current detection control circuit, a bus current detection circuit connected to the current detection control circuit, and a bus overcurrent protection circuit;
the current detection control circuit comprises a CC6902-10 chip U4;
the bus current detection circuit comprises an operational amplifier, a plurality of resistors and a plurality of capacitors;
the bus overcurrent protection circuit comprises an operational amplifier, a plurality of resistors and a plurality of capacitors.
7. The ultrasonic drive circuit according to claim 1, further comprising a single chip microcomputer power supply circuit, an ultrasonic drive circuit, and a switching power supply connected to the main control circuit;
the singlechip power supply circuit comprises an AMS1117 chip VR 1;
the ultrasonic driving circuit comprises an EG2134 chip U15, a voltage transformer T3, a voltage transformer T4, a plurality of resistors and a plurality of capacitors, wherein a 1 st pin of the EG2134 chip U15 is connected with a 29 th pin of a MM32SPIN27PF chip U1, a 4 th pin, a 5 th pin and a 6 th pin of the EG2134 chip U15 are respectively connected with a 30 th pin, a 26 th pin and a 27 th pin of a MM32SPIN27PF chip U1, a 10 th pin of the EG2134 chip U15 is connected with a first end of the resistor R38, a second end of the resistor R38 is connected with a 3 rd pin of the voltage transformer T3, a 1 st pin of the voltage transformer T3 is connected with a 19 th pin of the EG2134 chip U15 through a capacitor C24, a 4 th pin of the voltage transformer T3 is connected with a first end of the capacitor C27, and a second end of the capacitor C27 is connected with a 6 th pin of the voltage transformer T3 through a resistor R34; a 9 th pin of an EG2134 chip U15 is connected with a first end of a resistor R31, a second end of the resistor R31 is connected with a 3 rd pin of a voltage transformer T4, a 1 st pin of the voltage transformer T4 is connected with an 11 th pin of an EG2134 chip U15 through a capacitor C30, a 4 th pin of the voltage transformer T4 is connected with a first end of the capacitor C26, and a second end of a capacitor C26 is connected with a 6 th pin of the voltage transformer T4 through the resistor R33;
the switching power supply comprises an SD6832 chip U8, an EL817C chip U9, a transformer T7, a magnetic core inductor L2, a plurality of voltage-stabilizing diodes, a plurality of resistors, a plurality of capacitors and an electrolytic capacitor, and the voltage obtained by the rectifier bridge is used for obtaining a required voltage value through the SD6832 chip U8 and the transformer T7.
8. The ultrasonic drive circuit according to claim 1, further comprising a grid voltage acquisition circuit and a temperature acquisition circuit connected to the main control circuit;
the grid voltage acquisition circuit comprises a voltage transformer T6, a 2 nd pin of the voltage transformer T6 is connected with a second end of a resistor R60 and a second end of a capacitor C42, a 4 th pin of the voltage transformer T6 is connected with a first end of a resistor R60, a first end of a capacitor C42 and a first end of a resistor R58, and a second end of a resistor R58 is connected with a capacitor C43, a negative electrode of a diode D24-1, a positive electrode of a diode D24-2 and a 17 th pin of a MM32SPIN27PF chip U1;
the temperature acquisition circuit is used for calculating a temperature value and comprises two external temperature sensors.
9. The ultrasonic drive circuit according to claim 1, further comprising a buzzer drive circuit, an LED drive circuit connected with the main control circuit;
the buzzer driving circuit comprises a triode Q2 and a buzzer LS1, and the on-off of the buzzer LS1 is controlled through a triode Q2;
the LED driving circuit is used for displaying whether the circuit is electrified or not and comprises a light emitting diode.
10. The ultrasonic driving circuit of claim 1, further comprising a memory circuit connected to the main control circuit for reading the originally stored data after power-off, including a 24C08 chip U2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111222825.4A CN113904569A (en) | 2021-10-20 | 2021-10-20 | Ultrasonic drive circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111222825.4A CN113904569A (en) | 2021-10-20 | 2021-10-20 | Ultrasonic drive circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113904569A true CN113904569A (en) | 2022-01-07 |
Family
ID=79192825
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111222825.4A Pending CN113904569A (en) | 2021-10-20 | 2021-10-20 | Ultrasonic drive circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113904569A (en) |
Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201522651U (en) * | 2009-09-17 | 2010-07-07 | 东莞市长江超声波机有限公司 | Ultrasonic generator |
| CN201742308U (en) * | 2010-01-06 | 2011-02-09 | 必能信超声(上海)有限公司 | Ultrasonic cleaning machine circuit |
| CN102629838A (en) * | 2012-01-18 | 2012-08-08 | 北京工业大学 | Portable high-voltage multiple-pulse ultrasonic wave transmitting device |
| CN103151949A (en) * | 2013-03-18 | 2013-06-12 | 无锡南方声学工程有限公司 | Power supply of ultrasonic cleaning machine |
| CN103187880A (en) * | 2013-03-29 | 2013-07-03 | 无锡正一生源科技有限公司 | Ultrasonic wave power source for driving magnetostrictive transducer |
| CN103252314A (en) * | 2013-05-13 | 2013-08-21 | 河海大学常州校区 | Dynamic matching device of ultrasonic power supply and method thereof |
| CN204425191U (en) * | 2015-03-19 | 2015-06-24 | 西安邮电大学 | A kind of chip lead wire bonding ultrasonic power control system |
| CN106571745A (en) * | 2015-10-10 | 2017-04-19 | 张炳全 | Static super electric energy machine and application |
| CN106961229A (en) * | 2017-04-06 | 2017-07-18 | 深圳拓邦股份有限公司 | A kind of self adaptation washing facility numerical control supersonic driver |
| CN107623452A (en) * | 2017-10-19 | 2018-01-23 | 武汉理工大学 | A kind of ultrasonic power and control method |
| CN108233745A (en) * | 2018-02-07 | 2018-06-29 | 广州市昊志机电股份有限公司 | A kind of ultrasonic power circuit |
| CN108649788A (en) * | 2018-07-16 | 2018-10-12 | 哈尔滨天达控制股份有限公司 | A kind of ultrasonic power |
| CN208599012U (en) * | 2018-02-09 | 2019-03-15 | 杭州国彪超声设备有限公司 | Circuit occurs for the supersonic beauty instrument of 1MHz frequencies above |
| CN213152009U (en) * | 2020-11-10 | 2021-05-07 | 杭州国彪超声设备有限公司 | Self-adaptive phase difference driving circuit applied to ultrasonic transducer |
| CN112953398A (en) * | 2019-12-10 | 2021-06-11 | 深圳达远辰光科技有限公司 | Ultrasonic power supply transducer matching circuit for biological sample treatment |
| CN112964921A (en) * | 2021-01-29 | 2021-06-15 | 西安科技大学 | Automatic matching network of ultrasonic equipment and matching method thereof |
-
2021
- 2021-10-20 CN CN202111222825.4A patent/CN113904569A/en active Pending
Patent Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201522651U (en) * | 2009-09-17 | 2010-07-07 | 东莞市长江超声波机有限公司 | Ultrasonic generator |
| CN201742308U (en) * | 2010-01-06 | 2011-02-09 | 必能信超声(上海)有限公司 | Ultrasonic cleaning machine circuit |
| CN102629838A (en) * | 2012-01-18 | 2012-08-08 | 北京工业大学 | Portable high-voltage multiple-pulse ultrasonic wave transmitting device |
| CN103151949A (en) * | 2013-03-18 | 2013-06-12 | 无锡南方声学工程有限公司 | Power supply of ultrasonic cleaning machine |
| CN103187880A (en) * | 2013-03-29 | 2013-07-03 | 无锡正一生源科技有限公司 | Ultrasonic wave power source for driving magnetostrictive transducer |
| CN103252314A (en) * | 2013-05-13 | 2013-08-21 | 河海大学常州校区 | Dynamic matching device of ultrasonic power supply and method thereof |
| CN204425191U (en) * | 2015-03-19 | 2015-06-24 | 西安邮电大学 | A kind of chip lead wire bonding ultrasonic power control system |
| CN106571745A (en) * | 2015-10-10 | 2017-04-19 | 张炳全 | Static super electric energy machine and application |
| CN106961229A (en) * | 2017-04-06 | 2017-07-18 | 深圳拓邦股份有限公司 | A kind of self adaptation washing facility numerical control supersonic driver |
| CN107623452A (en) * | 2017-10-19 | 2018-01-23 | 武汉理工大学 | A kind of ultrasonic power and control method |
| CN108233745A (en) * | 2018-02-07 | 2018-06-29 | 广州市昊志机电股份有限公司 | A kind of ultrasonic power circuit |
| CN208599012U (en) * | 2018-02-09 | 2019-03-15 | 杭州国彪超声设备有限公司 | Circuit occurs for the supersonic beauty instrument of 1MHz frequencies above |
| CN108649788A (en) * | 2018-07-16 | 2018-10-12 | 哈尔滨天达控制股份有限公司 | A kind of ultrasonic power |
| CN112953398A (en) * | 2019-12-10 | 2021-06-11 | 深圳达远辰光科技有限公司 | Ultrasonic power supply transducer matching circuit for biological sample treatment |
| CN213152009U (en) * | 2020-11-10 | 2021-05-07 | 杭州国彪超声设备有限公司 | Self-adaptive phase difference driving circuit applied to ultrasonic transducer |
| CN112964921A (en) * | 2021-01-29 | 2021-06-15 | 西安科技大学 | Automatic matching network of ultrasonic equipment and matching method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105404198B (en) | On-off signal loop self-checking circuit based on impulses injection method | |
| CN210270015U (en) | Charging monitoring system of cleaning vehicle | |
| CN113904569A (en) | Ultrasonic drive circuit | |
| CN221150946U (en) | Overvoltage protection circuit of energy storage system | |
| CN106972766A (en) | A kind of power circuit | |
| CN208314064U (en) | A kind of digital power output voltage over-voltage self testing circuit | |
| CN206962727U (en) | A kind of power circuit | |
| CN115765118B (en) | Power supply processing method, system, device and medium | |
| CN205427522U (en) | Circuit breaker controller | |
| CN109606715B (en) | Voice warning system for airplane and implementation method thereof | |
| CN210038197U (en) | Infrared correlation device | |
| CN209814304U (en) | Voice warning system for airplane | |
| CN218634343U (en) | Street lamp controller | |
| CN208207059U (en) | Distribution Transmission system intelligent capacitor current testing device | |
| CN207457406U (en) | A kind of charged identifier of distribution low-voltage outlet | |
| CN112946458B (en) | Forced alarm current output system and method of pressure transmitter | |
| CN209656865U (en) | A kind of DC voltage overvoltage/undervoltage detection circuit | |
| CN209748235U (en) | Power supply device of underground pipeline detection equipment | |
| CN107508255B (en) | A kind of power signal source Drive Protecting Circuit | |
| CN102944807A (en) | Pressure transformer (PT) circuit ground connection monitoring device | |
| CN202696485U (en) | Superlow standby power consumption power source adapter | |
| CN114179676B (en) | Power-down delay circuit and application system based on BMS battery management system | |
| CN208705957U (en) | A kind of all-purpose card gate inhibition management apparatus | |
| CN206557359U (en) | A kind of alarm device of analog power chip | |
| CN212063619U (en) | Relay power supply switching circuit based on photoelectric coupling |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |