CN201238270Y - Driving power supply of piezoelectric ceramic pump- - Google Patents
Driving power supply of piezoelectric ceramic pump- Download PDFInfo
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- CN201238270Y CN201238270Y CNU2008203008147U CN200820300814U CN201238270Y CN 201238270 Y CN201238270 Y CN 201238270Y CN U2008203008147 U CNU2008203008147 U CN U2008203008147U CN 200820300814 U CN200820300814 U CN 200820300814U CN 201238270 Y CN201238270 Y CN 201238270Y
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Abstract
The utility model discloses a piezoceramics pump driving power source, which consists of a 5V voltage stabilizing circuit, a voltage increasing circuit, a square wave generation circuit, a mutual-compensation trigger circuit and a full-bridge inversion circuit, wherein, a 12V power source is respectively inputted to the 5V voltage stabilizing circuit and the voltage increasing circuit; the 5V voltage stabilizing circuit inputs voltage into the square wave generation circuit and the mutual-compensation trigger circuit; the voltage increasing circuit inputs voltage to the full-bridge inversion circuit; the square wave generation circuit inputs signal to the mutual-compensation trigger circuit, and the mutual-compensation trigger circuit inputs signal to the full-bridge inversion circuit. By changing the variable resistor in the square wave circuit, the voltage frequency is changed, thereby realizing the flow-rate control of the piezoceramics pump.
Description
Technical field: the utility model belongs to the drive power supply for piezoelectric ceramics aspect.
Background technology: at present, drive power supply for piezoelectric ceramics can be divided into voltage-controlled type and electric charge control type, wherein the voltage-controlled type driving power mainly contains 2 kinds of forms: a kind of switching regulator driving power that is based on the DC converter principle, its power loss is little, the efficient height, volume is little, but power supply output ripple is bigger, and Hz-KHz is also narrower; Another kind is a direct current amplifying type power supply, is characterized in the Hz-KHz broad.Electric charge control type driving power adopts electric charge control, and it can improve the sluggishness and the creep of piezoelectric ceramic, but its charging current is little, and the response time is long.
Piezoelectric ceramic pump belongs to micropump, is usually used in the operating mode of low lift micrometeor, and piezoelectric pump has stable operating characteristic, and pump discharge can be controlled by driving power.These characteristics are particularly suitable for using in fuel cell, and Piezoelectric Driving power requirement volume is little, light weight, low in energy consumption, and by low pressure 12V power supply, pump discharge is easy to adjust.
Summary of the invention:
The utility model provides a kind of voltage control driving power that is used for piezoelectric ceramic pump, has realized the accurate control of piezoelectric ceramic pump discharge by changing electric voltage frequency.
Piezoelectric ceramic pump belongs to micropump, is usually used in the operating mode of low lift micrometeor, and piezoelectric pump has stable operating characteristic, and pump discharge can be controlled by driving power.These characteristics are particularly suitable for using in fuel cell, and Piezoelectric Driving power requirement volume is little, light weight, low in energy consumption, and by low pressure 12V power supply, pump discharge is easy to adjust.
Piezoelectric ceramic pump driving power supply is by the 5V voltage stabilizing circuit, booster circuit, and square wave generation circuit, complementary circuits for triggering and full bridge inverter are formed; Wherein the 12V power supply is imported 5V voltage stabilizing circuit and booster circuit respectively, 5V voltage stabilizing circuit input voltage is to square wave generation circuit and complementary circuits for triggering, the booster circuit input voltage is to full bridge inverter, square wave generation circuit input signal is to complementary circuits for triggering, and complementary circuits for triggering input signal is to full bridge inverter.
Driving power circuit has five parts and forms, wherein 5V voltage stabilizing circuit input voltage is the 12V direct voltage, output voltage is a 5V stable DC voltage, power supply as square wave generation circuit and complementary circuits for triggering, booster circuit is raised to the 12V circuit more than the 180V, supply with full bridge inverter, the course of work is: square wave generation circuit produces the square wave of frequency range at 60-120HZ, and operating frequency can the control pump flow by the adjusting change square wave operating frequency of resistance.
Complementary circuits for triggering become the single channel square wave two-way square wave of phase place complementation.
Full bridge inverter is an alternating voltage with the 180V direct voltage inversion that booster circuit provides, and the square wave amplitude is 80Vpp, and the scope of change frequently is 60-120HZ, and full bridge inverter output is connected on piezoelectric ceramic pump and gets final product.
The 12V power supply is the power supply of whole circuit, directly supplies with voltage stabilizing circuit and booster circuit.Square wave generation circuit and complementary circuits for triggering adopt the power supply of voltage stabilizing circuit, and full bridge inverter is powered by booster circuit, the frequency of square wave generation circuit decision inverter trigger circuit, and complementary circuits for triggering drive the work of full bridge inverter.
The integrated circuit compact conformation is only made on the 4.3*2.5CM area, and power consumption is 2W.
5V voltage stabilizing circuit structure is as follows: Vout termination 5V power supply and the capacitor C 6 of IC2, and capacitor C 6 another termination common ports, the IC2 earth terminal is connected with common port, Vin termination 12V power supply and the capacitor C 4 of IC2, capacitor C 4 another termination common ports;
Boost circuit structure is as follows: the pin 5 of integrated circuit (IC) 1 connects capacitor C 3, capacitor C 3 other ends connect common port, the pin 3 of integrated circuit (IC) 1 connects capacitor C 2, capacitor C 2 other ends connect common port, the pin 7 of IC1,8 and 1 is connected to inductor L1 and parallel resistance R1 and R2, the pin 6 of IC1 connects the 12V power supply, parallel resistance R1, R2 and capacitor C 1 connect the 12V power supply, the pin two of IC1 connects the grid of resistance R 7 and Mos pipe Q1 by resistance R 5, the other end of resistance R 7 connects common port, the source electrode of Mos pipe Q1 connects common port, the drain electrode of Mos pipe Q1 connects the anode of electric transducer L1 and diode D1 respectively, diode D1 negative electrode output 180V voltage, parallel resistance R3, R4 one end connects 180V power supply and capacitor C 5, capacitor C 5 another termination common ports, parallel resistance R3, the other end of R4 connects resistance R 6 respectively, resistance R 6 and parallel resistance R3, the mid point of R4 is connected with the pin of IC1 5.
Square wave generation circuit structure is as follows: IC3 pin 8 and 4 is connected 5V power supply, resistance R 8 and capacitor C 7 respectively, the pin one of IC3 connects common port, the pin 3 of IC4 connects complementary circuits for triggering, the pin two of IC3 is connected the mid point of C8 and R14 with pin 6, the pin 5 of IC3 connects capacitor C 9, capacitor C 9 another termination common ports, the pin 7 of IC3 connects resistance R 8 and variable resistor PR1, and resistance R 14 other ends connect variable resistor PR1.
Complementary circuits for triggering structure is as follows: integrated circuit (IC) 4 outputs are connected with the IC5 input, and the IC5 output connects the grid of the Mos pipe Q5 of full bridge inverter, and integrated circuit (IC) 4 is connected with the grid of IC5 mid point with Mos pipe Q4.
The full bridge inverter structure is as follows: the source electrode of Mos pipe Q2 connects 180V power supply and resistance R 9 respectively, and the grid of Q2 connects R9 and R12 respectively, and the drain electrode of Q2 connects output port P1, Q4 source electrode and resistance R 11; Mos pipe Q3 source electrode connects resistance R 10 and 180V power supply respectively, and the Q3 grid connects R10 and R11 respectively.The grid of Mos pipe Q4 is connected resistance R 16 with drain electrode.The source electrode of Mos pipe Q5 connects the drain electrode of resistance R 13 and Q3, and the other end of resistance R 13 connects output port P1; The grid of Mos pipe Q5 is connected resistance R 15 with drain electrode, and output port P1 connects piezoelectric ceramic pump.The drain electrode of Mos pipe Q5 and Q4 is connected common port.
IC1 is a boost control circuit, MC34063.
IC2 is 7805 three terminal regulators,
IC4, IC5 are not gate (reverser)
IC3 is the NE555 time-base circuit.
Beneficial effect: the variable resistor from change circuit and square-wave changes the flow control that electric voltage frequency has been realized piezoelectric ceramic pump.
Description of drawings:
Fig. 1 is a driving power integrated circuit structural representation;
Fig. 2 is a driving power detailed circuit syndeton schematic diagram;
A1 is a 5V voltage stabilizing circuit structural representation;
A2 is the boost circuit structure schematic diagram;
A3 is a square wave generation electrical block diagram;
A4 is complementary circuits for triggering structural representation;
A5 is the full bridge inverter structural representation.
Embodiment:
Embodiment 1: in conjunction with Fig. 1 and 2
5V voltage stabilizing circuit structure is as follows: Vout termination 5V power supply and the capacitor C 6 of IC2, and capacitor C 6 another termination common ports, the IC2 earth terminal is connected with common port, Vin termination 12V power supply and the capacitor C 4 of IC2, capacitor C 4 another termination common ports;
Boost circuit structure is as follows: the pin 5 of integrated circuit (IC) 1 connects capacitor C 3, capacitor C 3 other ends connect common port, the pin 3 of integrated circuit (IC) 1 connects capacitor C 2, capacitor C 2 other ends connect common port, the pin 7 of IC1,8 and 1 is connected to inductor L1 and parallel resistance R1 and R2, the pin 6 of IC1 connects the 12V power supply, parallel resistance R1, R2 and capacitor C 1 connect the 12V power supply, the pin two of IC1 connects the grid of resistance R 7 and Mos pipe Q1 by resistance R 5, the other end of resistance R 7 connects common port, the source electrode of Mos pipe Q1 connects common port, the drain electrode of Mos pipe Q1 connects the anode of electric transducer L1 and diode D1 respectively, diode D1 negative electrode output 180V voltage, parallel resistance R3, R4 one end connects 180V power supply and capacitor C 5, capacitor C 5 another termination common ports, parallel resistance R3, the other end of R4 connects resistance R 6 respectively, resistance R 6 and parallel resistance R3, the mid point of R4 is connected with the pin of IC1 5.
Square wave generation circuit structure is as follows: IC3 pin 8 and 4 is connected 5V power supply, resistance R 8 and capacitor C 7 respectively, the pin one of IC3 connects common port, the pin 3 of IC4 connects complementary circuits for triggering, the pin two of IC3 is connected the mid point of C8 and R14 with pin 6, the pin 5 of IC3 connects capacitor C 9, capacitor C 9 another termination common ports, the pin 7 of IC3 connects resistance R 8 and variable resistor PR1, and resistance R 14 other ends connect variable resistor PR1.
Complementary circuits for triggering structure is as follows: integrated circuit (IC) 4 outputs are connected with the IC5 input, and the IC5 output connects the grid of the Mos pipe Q5 of full bridge inverter, and integrated circuit (IC) 4 is connected with the grid of IC5 mid point with Mos pipe Q4.
The full bridge inverter structure is as follows: the source electrode of Mos pipe Q2 connects 180V power supply and resistance R 9 respectively, and the grid of Q2 connects R9 and R12 respectively, and the drain electrode of Q2 connects output port P1, Q4 source electrode and resistance R 11; Mos pipe Q3 source electrode connects resistance R 10 and 180V power supply respectively, and the Q3 grid connects R10 and R11 respectively.The grid of Mos pipe Q4 is connected resistance R 16 with drain electrode.The source electrode of Mos pipe Q5 connects the drain electrode of resistance R 13 and Q3, and the other end of resistance R 13 connects output port P1; The grid of Mos pipe Q5 is connected resistance R 15 with drain electrode, and output port P1 connects piezoelectric ceramic pump.The drain electrode of Mos pipe Q5 and Q4 is connected common port.
IC1 is a boost control circuit, MC34063.
IC2 is 7805 three terminal regulators,
IC4, IC5 are not gate (reverser)
IC3 is the NE555 time-base circuit.
Claims (6)
- [claim 1] a kind of piezoelectric ceramic pump driving power supply is characterized in that piezoelectric ceramic pump driving power supply by the 5V voltage stabilizing circuit, booster circuit, and square wave generation circuit, complementary circuits for triggering and full bridge inverter are formed; 5V voltage stabilizing circuit connection side's wave generation circuit and complementary circuits for triggering, booster circuit connects full bridge inverter, square wave generation circuit connects complementary circuits for triggering, and complementary circuits for triggering connect full bridge inverter, and resistance (PR1) is variable resistor in the square wave generation circuit.
- [claim 2] a kind of according to claim 1 piezoelectric ceramic pump driving power supply, it is characterized in that 5V voltage stabilizing circuit structure is as follows: the Vout termination 5V power supply of integrated circuit (IC2) and electric capacity (C6), another termination common port of electric capacity (C6), (IC2) earth terminal is connected with common port, (IC2) Vin termination 12V power supply and electric capacity (C4), another termination common port of electric capacity (C4).
- [claim 3] a kind of according to claim 1 piezoelectric ceramic pump driving power supply, it is characterized in that boost circuit structure is as follows: the pin (5) of integrated circuit (IC1) connects electric capacity (C3), electric capacity (C3) other end connects common port, the pin (3) of integrated circuit (IC1) connects electric capacity (C2), electric capacity (C2) other end connects common port, (IC1) pin (7), (8) and (1) be connected to inductor (L1) and parallel resistance (R1) and (R2), (IC1) pin (6) connects the 12V power supply, parallel resistance (R1), (R2) and electric capacity (C1) connect the 12V power supply, (IC1) pin (2) connects the grid of resistance (R7) and Mos pipe (Q1) by resistance (R5), the other end of resistance (R7) connects common port, the source electrode of Mos pipe (Q1) connects common port, the drain electrode of Mos pipe (Q1) connects the anode of electric transducer (L1) and diode (D1) respectively, parallel resistance (R3), (R4) end connects 180V power supply and electric capacity (C5), another termination common port of electric capacity (C5), parallel resistance (R3), (R4) the other end connects resistance (R6) respectively, resistance (R6) and parallel resistance (R3), the pin (5) of mid point (R4) and (IC1) is connected.
- [claim 4] a kind of according to claim 1 piezoelectric ceramic pump driving power supply, it is characterized in that square wave generation circuit structure is as follows: integrated circuit (IC3) pin (8) is connected the 5V power supply respectively with (4), resistance (R8) and electric capacity (C7), (IC3) pin (1) connects common port, (IC4) pin (3) connects complementary circuits for triggering, (IC3) pin (2) is connected (C8) and mid point (R14) with pin (6), (IC3) pin (5) connects electric capacity (C9), another termination common port of electric capacity (C9), (IC3) pin (7) connecting resistance (R8) and resistance (PR1), resistance (R14) terminating resistor (PR1).
- [claim 5] a kind of according to claim 1 piezoelectric ceramic pump driving power supply, it is characterized in that complementary circuits for triggering structure is as follows: integrated circuit (IC4) output is connected with integrated circuit (IC5) input, (IC5) output connects the grid of the Mos pipe (Q5) of full bridge inverter, and integrated circuit (IC4) is connected with the grid of (IC5) mid point with Mos pipe (Q4).
- [claim 6] a kind of according to claim 1 piezoelectric ceramic pump driving power supply, it is characterized in that the full bridge inverter structure is as follows: the source electrode of Mos pipe (Q2) connects 180V power supply and resistance (R9) respectively, (Q2) grid connects (R9) and (R12) respectively, and drain electrode (Q2) connects output port (P1), (Q4) source electrode and resistance (R11); Mos pipe (Q3) source electrode connects resistance (R10) and 180V power supply respectively, and (Q3) grid connects (R10) and (R11) respectively; The grid of Mos pipe (Q4) is connected resistance (R16) with drain electrode; The source electrode of Mos pipe (Q5) connects resistance (R13) and drain electrode (Q3), and the other end of resistance (R13) connects output port (P1); The grid of Mos pipe (Q5) is connected resistance (R15) with drain electrode, and output port (P1) connects piezoelectric ceramic pump; The drain electrode of Mos pipe (Q5) and (Q4) is connected common port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008203008147U CN201238270Y (en) | 2008-05-21 | 2008-05-21 | Driving power supply of piezoelectric ceramic pump- |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008203008147U CN201238270Y (en) | 2008-05-21 | 2008-05-21 | Driving power supply of piezoelectric ceramic pump- |
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| CN201238270Y true CN201238270Y (en) | 2009-05-13 |
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| CNU2008203008147U Expired - Fee Related CN201238270Y (en) | 2008-05-21 | 2008-05-21 | Driving power supply of piezoelectric ceramic pump- |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101588141B (en) * | 2008-05-21 | 2013-04-17 | 汉能科技有限公司 | Piezoelectric ceramic pump driving power supply |
| WO2023206175A1 (en) * | 2022-04-27 | 2023-11-02 | 深圳市兴日生实业有限公司 | Outdoors portable piezoelectric ceramic air pump |
-
2008
- 2008-05-21 CN CNU2008203008147U patent/CN201238270Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101588141B (en) * | 2008-05-21 | 2013-04-17 | 汉能科技有限公司 | Piezoelectric ceramic pump driving power supply |
| WO2023206175A1 (en) * | 2022-04-27 | 2023-11-02 | 深圳市兴日生实业有限公司 | Outdoors portable piezoelectric ceramic air pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: HANERGY NEW ENERGY RESEARCH + DEVELOPMENT CENTER C Free format text: FORMER OWNER: HANERGY TECHNOLOGY CO., LTD. Effective date: 20110921 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 102209 CHANGPING, BEIJING TO: 065201 LANGFANG, HEBEI PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20110921 Address after: 065201 Hebei Province, Sanhe Yanjiao Development Zone Yingbin Road, east of the northeast corner of the island. Patentee after: Chinese new energy R & D Center Co. Ltd. Address before: 102209 Beijing city Changping District town Beiqijia Hongfu Pioneer Park No. 15 hospital Patentee before: Hanergy Technology Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090513 Termination date: 20150521 |
|
| EXPY | Termination of patent right or utility model |