CN108390576A - Separated exciting ultrasonic wave driving power - Google Patents
Separated exciting ultrasonic wave driving power Download PDFInfo
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- CN108390576A CN108390576A CN201810335163.3A CN201810335163A CN108390576A CN 108390576 A CN108390576 A CN 108390576A CN 201810335163 A CN201810335163 A CN 201810335163A CN 108390576 A CN108390576 A CN 108390576A
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- 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
- H02M5/00—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases
- H02M5/40—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc
- H02M5/42—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters
- H02M5/44—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters using discharge tubes or semiconductor devices to convert the intermediate dc into ac
- H02M5/453—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters using discharge tubes or semiconductor devices to convert the intermediate dc into ac using devices of a triode or transistor type requiring continuous application of a control signal
- H02M5/458—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into dc by static converters using discharge tubes or semiconductor devices to convert the intermediate dc into ac using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
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Abstract
The present invention proposes a kind of separated exciting ultrasonic wave driving power, including inductance L1 ~ L6, diode D1 ~ D11, metal-oxide-semiconductor Q1 ~ Q4, high frequency transformer T, capacitance C1 ~ C8, resistance R1, connecting terminal J1 ~ J8；J1 connects the one end C1 and the one end L1, and J2 connects the C1 other ends and the L2 other ends, and J3 connects T secondary windings one end, and J4 series connection L6 is followed by the T secondary winding other ends；J5 connects Q1 grids, and J6 connects Q2 grids, and J7 connects Q3 grids, and J8 connects Q4 grids；T first windings one end series connection L4 is followed by Q3 source electrodes, Q4 drain electrodes, and T1 first winding other ends series connection R1 is followed by Q1 source electrodes and Q2 drain electrodes, and Q1 drain electrodes connect Q3 drain electrodes, and Q2 source electrodes connect Q4 source electrodes.The advantage of the invention is that：Half-bridge structure in the prior art is replaced with the full-bridge high-frequency inverter circuit structure of built-in auxiliary network, PWM duty cycle loss is substantially reduced, it thus can greatly reduce the switching loss of metal-oxide-semiconductor under high frequency condition, and then substantially increase the delivery efficiency of high-power ultrasound generator.
Description
Technical field
The present invention relates to a kind of supersonic generator power supply modules, and in particular to a kind of separated exciting ultrasonic wave driving power.
Background technology
Ultrasonic wave, especially high-power ultrasonics are generally answered in medical fields such as current ultrasonic cleaning, imaging, atomizations
With.Ultrasonic wave driving power, is the power supply module of supersonic generator, and power frequency alternating current can be transformed to high-frequency alternating current by volume
It is used so that ultrasonic transducer generates ultrasonic wave.Ultrasonic wave driving power can be divided into auto-excitation type and separate excitation by energisation mode difference
Formula, separated exciting ultrasonic wave driving power occur due to having more advantage on output power in current high-power ultrasonics
It is generally used in device.Now separated exciting ultrasonic wave driving power in the art mostly uses semibridge system high-frequency inverter, however partly
The PWM duty cycle of bridge-type high-frequency inverter is lost seriously, and the switching loss of metal-oxide-semiconductor is excessive, causes its power supply delivery efficiency low,
This problem this seem especially prominent in high-power ultrasound generator.Therefore, it is higher how to provide a kind of delivery efficiency
Separated exciting ultrasonic wave driving power, just at urgent problem to be solved.
Invention content
The present invention in view of the above technical problems, proposes a kind of separated exciting ultrasonic wave driving power, and pass through following technical side
Case is realized.
The present invention separated exciting ultrasonic wave driving power include rectifier bridge stack, inductance L1, inductance L2, inductance L3, inductance L4,
Inductance L5, inductance L6, diode D5, diode D6, diode D7, diode D8, diode D9, diode D10, diode
D11, P-channel metal-oxide-semiconductor Q1, P-channel metal-oxide-semiconductor Q2, P-channel metal-oxide-semiconductor Q3, P-channel metal-oxide-semiconductor Q4, high frequency transformer T, capacitance C1, electricity
Hold C2, capacitance C3, capacitance C4, capacitance C5, capacitance C6, capacitance C7, capacitance C8, resistance R1, connecting terminal J1, connecting terminal J2,
Connecting terminal J3, connecting terminal J4, connecting terminal J5, connecting terminal J6, connecting terminal J7 and connecting terminal J8；Rectifier bridge stack
Including diode D1, diode D2, diode D3, diode D4；J1 connects one end of C1 and one end of L1 simultaneously, and J2 connects simultaneously
Connect the other end of C1 and one end of L2, one end of the secondary winding of J3 connections T, J4 connects the secondary winding of connection T after L6
The other end；The grid of J5 connections Q1, the grid of J6 connections Q2, the grid of J7 connections Q3, the grid of J8 connections Q4；The other end of L1
Connect simultaneously one end of C2, the anode of D1 and D4 cathode, the other end of L2 connect simultaneously the other end of C2, D3 anode with
And the cathode of D2, the first winding of T one end series connection L4 after simultaneously connect the drain electrode of source electrode, Q4 of Q3, the moon of the anode of D8, D9
Pole, one end of C5, one end of C6 and L5 one end, connect the one of C3 simultaneously after the other end series connection R1 of the first winding of T1
The drain electrode at end, one end of C4, the anode of D6, the cathode of D7, the source electrode of Q1 and Q2, the cathode for draining while connecting D10 of Q1,
One end of C7, the other end of C5, the cathode of D8, the drain electrode of Q3, the other end of C3, the cathode of D6 and L3 one end, the source of Q2
Pole connects the anode of D4, the cathode of D3, the anode of D5, the anode of D7, the other end of C4, the source electrode of Q4, the anode of D9, C6 simultaneously
The other end, one end of C8 and the anode of D11；The cathode of D1 connects the another of the anode of D2, the cathode of D5 and L3 simultaneously
End, the other end of L5 connect the cathode of the other end of C7, the other end of C8, the anode of D10 and D11 simultaneously.
The present invention can also be further improved by the following technical programs.
Preferably, described D1, D2, D3, D4, D5, D6, D7, D8, D9, D10 and D11 are IN4001 type diodes.
Preferably, described Q1, Q2, Q3 and Q4 are IRF9530 type metal-oxide-semiconductors.
Preferably, the high frequency transformer T is EC2820 type high frequency transformers.
Preferably, described J1, J2, J3, J4, J5, J6, J7 and J8 are DT type connecting terminals.
Preferably, the resistance value of the R is 220 Europe, the capacitance of described C1, C2, C3, C4, C5, C6, C7, C8 are respectively
0.1 microfarad, 0.1 microfarad, 0.02 microfarad, 0.02 microfarad, 0.02 microfarad, 0.02 microfarad, 0.02 microfarad, 0.02 microfarad, the L1,
The inductance of L2, L3, L4, L5, L6 are respectively 10 microhenrys, 10 microhenrys, 2 microhenrys, 2 microhenrys, 2 microhenrys, 10 microhenrys.
Compared with prior art, the advantages and positive effects of the present invention are：Full-bridge high-frequency with built-in auxiliary network is inverse
Become circuit structure and replace half-bridge structure in the prior art, PWM duty cycle loss is substantially reduced, thus height can be greatly reduced
The switching loss of metal-oxide-semiconductor under the conditions of frequency, and then substantially increase the delivery efficiency of high-power ultrasound generator.
Description of the drawings
Fig. 1 is a kind of electrical block diagram of embodiment of separated exciting ultrasonic wave driving power of the present invention.
Specific implementation mode
In order to better understand the present invention, it illustrates with reference to the accompanying drawings and examples.
Embodiment：As shown in Figure 1, the separated exciting ultrasonic wave driving power of the present embodiment includes rectifier bridge stack, inductance L1, electricity
Feel L2, inductance L3, inductance L4, inductance L5, inductance L6, diode D5, diode D6, diode D7, diode D8, diode
D9, diode D10, diode D11, P-channel metal-oxide-semiconductor Q1, P-channel metal-oxide-semiconductor Q2, P-channel metal-oxide-semiconductor Q3, P-channel metal-oxide-semiconductor Q4, height
Frequency power transformer T, capacitance C1, capacitance C2, capacitance C3, capacitance C4, capacitance C5, capacitance C6, capacitance C7, capacitance C8, resistance R1, wiring
Terminal J1, connecting terminal J2, connecting terminal J3, connecting terminal J4, connecting terminal J5, connecting terminal J6, connecting terminal J7 and
Connecting terminal J8；Rectifier bridge stack includes diode D1, diode D2, diode D3, diode D4；J1 connects one end of C1 simultaneously
With one end of L1, J2 connects the other end of C1 and one end of L2, one end of the secondary winding of J3 connections T, J4 series connection L6 simultaneously
The other end of the secondary winding of connection T afterwards；The grid of J5 connections Q1, the grid of J6 connections Q2, the grid of J7 connections Q3, J8 connections
The grid of Q4；The other end of L1 connect simultaneously one end of C2, the anode of D1 and D4 cathode, the other end of L2 connects C2 simultaneously
The other end, the anode of D3 and the cathode of D2, the source electrode of Q3, Q4 are connected after one end series connection L4 of the first winding of T simultaneously
Drain electrode, the anode of D8, the cathode of D9, one end of C5, one end of C6 and L5 one end, the other end series connection of the first winding of T1
The drain electrode of one end of C3, one end of C4, the anode of D6, the cathode of D7, the source electrode of Q1 and Q2, the drain electrode of Q1 are connected after R1 simultaneously
Simultaneously connect the cathode of D10, one end of C7, the other end of C5, the cathode of D8, the drain electrode of Q3, the other end of C3, D6 cathode with
And one end of L3, the source electrode of Q2 connect the anode of D4, the cathode of D3, the anode of D5, the anode of D7, the other end of C4, Q4 simultaneously
Source electrode, the anode of D9, the other end of C6, one end of C8 and the anode of D11；The cathode of D1 connects anode, the D5 of D2 simultaneously
Cathode and L3 the other end, the other end of L5 connects the anode and D11 of the other end of C7, the other end of C8, D10 simultaneously
Cathode.
Power supply module of the separated exciting ultrasonic wave driving power of the present embodiment as high-power ultrasound generator, and it is existing
The other assemblies such as ultrasonic transducer, the dsp processor of the supersonic generator in technology are used cooperatively.In use, J1, J2 conduct
Commercial power interface is connect with the firewire of alternating current and zero curve respectively；J3, J4 as ultrasonic transducer interface respectively with ultrasonic transducer
The two poles of the earth connect；J5, J6, J7, J8 as phase-shifted control signal input port respectively with four road pwm control signals of dsp processor
In signal all the way output end connection.
The LC filter filterings that industrial frequency AC alternating current is formed via L1, C1, L2 and C2, then via D1, D2, D3 and
After the rectifier bridge stack of D4 compositions and D5 rectifications, the DC voltage of 0 ~ 220V is exported；The DC voltage be applied to Q1, Q2, Q3 with
And the both ends for the high-frequency inverter circuit that Q4 is core, Q1, Q2, Q3, Q4 lead to and cut in the triggering lower whorl conductance of phase-shifted control signal
Only, to which DC voltage is converted to the high frequency voltage needed for ultrasonic transducer and is exported between J3 and J4 to ultrasonic transduction
Device.
The separated exciting ultrasonic wave driving power of the present embodiment sets high-frequency inverter circuit to full bridge structure and built-in auxiliary
Network substantially reduces duty-cycle loss, thus can greatly reduce the switching loss of metal-oxide-semiconductor under high frequency condition, and then significantly
Improve the delivery efficiency of high-power ultrasound generator.
Described D1, D2, D3, D4, D5, D6, D7, D8, D9, D10 and D11 can select IN4001 in the prior art
Type diode.
Described Q1, Q2, Q3 and Q4 can select IRF9530 types metal-oxide-semiconductor in the prior art.
The high frequency transformer T can select EC2820 types high frequency transformer in the prior art.
Described J1, J2, J3, J4, J5, J6, J7 and J8 can select DT types connecting terminal in the prior art.
The resistance value of the R could be provided as 220 Europe, and the capacitance of described C1, C2, C3, C4, C5, C6, C7, C8 respectively can be with
It is set as 0.1 microfarad, 0.1 microfarad, 0.02 microfarad, 0.02 microfarad, 0.02 microfarad, 0.02 microfarad, 0.02 microfarad, 0.02 microfarad,
The inductance of described L1, L2, L3, L4, L5, L6 could be provided as 10 microhenrys, 10 microhenrys, 2 microhenrys, 2 microhenrys, 2 microhenrys, 10 micro- respectively
It is prosperous.
Claims (6)
1. a kind of separated exciting ultrasonic wave driving power, it is characterised in that：Including rectifier bridge stack, inductance L1, inductance L2, inductance L3,
Inductance L4, inductance L5, inductance L6, diode D5, diode D6, diode D7, diode D8, diode D9, diode D10,
Diode D11, P-channel metal-oxide-semiconductor Q1, P-channel metal-oxide-semiconductor Q2, P-channel metal-oxide-semiconductor Q3, P-channel metal-oxide-semiconductor Q4, high frequency transformer T, electricity
Hold C1, capacitance C2, capacitance C3, capacitance C4, capacitance C5, capacitance C6, capacitance C7, capacitance C8, resistance R1, connecting terminal J1, wiring
Terminal J2, connecting terminal J3, connecting terminal J4, connecting terminal J5, connecting terminal J6, connecting terminal J7 and connecting terminal J8；
Rectifier bridge stack includes diode D1, diode D2, diode D3, diode D4；J1 connects one end of C1 and one end of L1 simultaneously,
J2 connects the other end of C1 and one end of L2 simultaneously, one end of the secondary winding of J3 connections T, and J4 connects and connects the two of T after L6
The other end of secondary winding；The grid of J5 connections Q1, the grid of J6 connections Q2, the grid of J7 connections Q3, the grid of J8 connections Q4；L1
The other end connect simultaneously one end of C2, the anode of D1 and D4 cathode, the other end of L2 connects the other end, the D3 of C2 simultaneously
Anode and D2 cathode, connect the drain electrode of source electrode, Q4 of Q3, the sun of D8 simultaneously after one end series connection L4 of the first winding of T
Pole, the cathode of D9, one end of C5, one end of C6 and L5 one end, connect simultaneously after the other end series connection R1 of the first winding of T1
The drain electrode of one end of C3, one end of C4, the anode of D6, the cathode of D7, the source electrode of Q1 and Q2 is connect, the drain electrode of Q1 connects simultaneously
The cathode of D10, one end of C7, the other end of C5, the cathode of D8, the drain electrode of Q3, the other end of C3, the cathode of D6 and L3 one
The source electrode at end, Q2 connects the anode of D4, the cathode of D3, the anode of D5, the anode of D7, the other end of C4, the source electrode of Q4, D9 simultaneously
Anode, the other end of C6, one end of C8 and D11 anode；The cathode of D1 connect simultaneously the anode of D2, the cathode of D5 and
The other end of L3, the other end of L5 connect the cathode of the other end of C7, the other end of C8, the anode of D10 and D11 simultaneously.
2. separated exciting ultrasonic wave driving power according to claim 1, it is characterised in that：The D1, D2, D3, D4, D5,
D6, D7, D8, D9, D10 and D11 are IN4001 type diodes.
3. separated exciting ultrasonic wave driving power according to claim 1, it is characterised in that：Described Q1, Q2, Q3 and Q4 are equal
For IRF9530 type metal-oxide-semiconductors.
4. separated exciting ultrasonic wave driving power according to claim 1, it is characterised in that：The high frequency transformer T is
EC2820 type high frequency transformers.
5. separated exciting ultrasonic wave driving power according to claim 1, it is characterised in that：The J1, J2, J3, J4, J5,
J6, J7 and J8 are DT type connecting terminals.
6. according to claim 1 ~ 5 any one of them separated exciting ultrasonic wave driving power, it is characterised in that：The resistance value of the R
Capacitance for 220 Europe, described C1, C2, C3, C4, C5, C6, C7, C8 is respectively 0.1 microfarad, 0.1 microfarad, 0.02 microfarad, 0.02
The inductance of microfarad, 0.02 microfarad, 0.02 microfarad, 0.02 microfarad, 0.02 microfarad, described L1, L2, L3, L4, L5, L6 is respectively 10
Microhenry, 10 microhenrys, 2 microhenrys, 2 microhenrys, 2 microhenrys, 10 microhenrys.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810335163.3A CN108390576A (en) | 2018-04-16 | 2018-04-16 | Separated exciting ultrasonic wave driving power |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810335163.3A CN108390576A (en) | 2018-04-16 | 2018-04-16 | Separated exciting ultrasonic wave driving power |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108390576A true CN108390576A (en) | 2018-08-10 |
Family
ID=63064579
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810335163.3A Withdrawn CN108390576A (en) | 2018-04-16 | 2018-04-16 | Separated exciting ultrasonic wave driving power |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108390576A (en) |
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2018
- 2018-04-16 CN CN201810335163.3A patent/CN108390576A/en not_active Withdrawn
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Application publication date: 20180810 |