CN105425893A - Drive circuit for vehicle-mounted humidifier - Google Patents
Drive circuit for vehicle-mounted humidifier Download PDFInfo
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- CN105425893A CN105425893A CN201510877570.3A CN201510877570A CN105425893A CN 105425893 A CN105425893 A CN 105425893A CN 201510877570 A CN201510877570 A CN 201510877570A CN 105425893 A CN105425893 A CN 105425893A
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
- G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
- G05F1/10—Regulating voltage or current
- G05F1/625—Regulating voltage or current wherein it is irrelevant whether the variable actually regulated is ac or dc
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Abstract
The invention provides a drive circuit for a vehicle-mounted humidifier. The drive circuit comprises a voltage switching circuit and a drive circuit body. The positive pole switching-in end of the voltage switching circuit is connected with the positive pole of a power socket. The negative pole switching-in end of the voltage switching circuit is connected with the negative pole of the power socket. The positive pole output end of the voltage switching circuit is connected with the positive pole input end of the drive circuit body. The negative pole output end of the voltage switching circuit is connected with the negative pole input end of the drive circuit body. The drive circuit body comprises an inductor L1, a resistor R2, an electrolytic capacitor C1, a resistor R2, an audion Q1, a resistor R3, an inductor L2, an inductor L3, a resistor R5, an audion Q2, a capacitor C2 and a piezoelectric ceramic plate. By means of the voltage switching circuit and the drive circuit body, the piezoelectric ceramic plate can be directly connected with the power socket of an automobile, so that the purpose of humidifying air in the automobile is achieved. The circuit is reasonable in design, low in cost, convenient to use and beneficial for use; according to the circuit, the power socket on the automobile can be directly used, and a voice control melody lamp can flash.
Description
Technical field
The present invention relates to a kind of driving circuit of vehicle-mounted humidifier.
Background technology
Automobile is as one of the most frequently used vehicles, and current use amount is also in quick growth.Supply socket on automobile can in order to provide power supply to external equipment, but due to the voltage of supply socket be 12V, directly can not be suitable for some external equipments.When the use of automobile, for providing the comfort of use, external humidifier carries out increase air humidity, avoid air too drying be a kind of selection.But how at a lower cost, the connection realizing humidifier quickly should be paid attention to and the problem solved in the design and production process of humidifier.
Summary of the invention
How at a lower cost the driving circuit that the object of this invention is to provide a kind of vehicle-mounted humidifier solves, and realizes the problem of the connection of humidifier quickly.
Technical solution of the present invention is:
A kind of driving circuit of vehicle-mounted humidifier, comprise voltage conversion circuit and driving circuit, the positive pole incoming end of voltage conversion circuit connects the positive pole of supply socket, the negative pole incoming end of voltage conversion circuit connects the negative pole of supply socket, the cathode output end of voltage conversion circuit connects the electrode input end of driving circuit, and the cathode output end of voltage conversion circuit connects the negative input of driving circuit;
Driving circuit comprises inductance L 2, resistance R9, electrochemical capacitor C6, resistance R10, triode Q4, resistance R10, inductance L 3, inductance L 4, resistance R11, triode Q5, electric capacity C7, piezoelectric ceramic piece, one end of inductance L 2 connects the electrode input end of driving circuit, the collector of the other end difference connecting triode Q4 of inductance L 2, the collector of triode Q5, the positive pole of piezoelectric ceramic piece, the other end of inductance L 2 is also by the base stage of resistance R1 connecting triode Q4, the base stage of triode Q4 is also by resistance R9 ground connection, the base stage of triode Q4 is also connected with the positive pole of electrochemical capacitor C6, the negative pole of electrochemical capacitor C6 connects the negative input of driving circuit and ground connection, the negative input of driving circuit passes through the emitter of resistance R10 connecting triode Q4, the emitter of triode Q4 connects one end of inductance L 3, the other end of inductance L 3 passes through the base stage of resistance R11 connecting triode Q5, the other end of inductance L 3 also connects one end of inductance L 4, the other end of inductance L 4 connects the negative pole of piezoelectric ceramic piece, the other end of inductance L 4 also passes through electric capacity C7 ground connection, the grounded emitter of triode Q5.
Further, voltage conversion circuit comprises electrochemical capacitor C1, resistance R1, chip MC34063, electric capacity C2, resistance R2, resistance R3, resistance R4, triode Q1, stabilivolt ZD1, inductance L 1, electrochemical capacitor C3, the pin 6 of chip MC34063 connects positive pole incoming end, positive pole incoming end connects the positive pole of electrochemical capacitor C1, the negative pole of electrochemical capacitor C1 connects negative pole incoming end, the pin 6 of chip MC34063 connects the pin 8 of chip MC34063 by resistance R1, the pin 8 of chip MC34063 connects the pin 7 of chip MC34063 respectively, the pin 1 of chip MC34063, the collector of triode Q1, the base stage of triode Q1 connects the pin 2 of chip MC34063, the base stage of triode Q1 also connects the positive pole of stabilivolt ZD1 by resistance R4, the plus earth of stabilivolt ZD1, the emitter of the negative pole connecting triode Q1 of stabilivolt ZD1, the emitter of triode Q1 connects the positive pole of electrochemical capacitor C3 respectively by inductance L 1, cathode output end, the negative pole of electrochemical capacitor C3 connects the positive pole of stabilivolt ZD1 respectively, cathode output end, the pin 5 of chip MC34063 is by resistance R2 ground connection, and the pin 5 of chip MC34063 also connects cathode output end by resistance R3, the pin 4 of chip MC34063 connects negative pole incoming end and ground connection, and the pin 3 of chip MC34063 is by electric capacity C2 ground connection.
Further, the cathode output end of voltage conversion circuit is also connected with the positive pole of USB interface, and the cathode output end of voltage conversion circuit is connected with the negative pole of USB interface.
Further, also comprise sound control flasher circuit, sound control flasher circuit comprises electrochemical capacitor C4, resistance R5, MIC interface or microphone MIC, resistance R6, resistance R7, electrochemical capacitor C5, triode Q2, triode Q3, the positive pole of electrochemical capacitor C4 connects the cathode output end of voltage conversion circuit by button switch K 1, the negative pole of electrochemical capacitor C4 connects the cathode output end of voltage conversion circuit, the cathode output end of voltage conversion circuit connects the positive pole of MIC interface or microphone MIC by resistance R5, the minus earth of MIC interface or microphone MIC, the minus earth of electrochemical capacitor C4, the positive pole of MIC interface or microphone MIC connects the positive pole of electrochemical capacitor C5, the base stage of the negative pole connecting triode Q2 of electrochemical capacitor C5, the base stage of triode Q2 connects the cathode output end of voltage conversion circuit by resistance R6, the grounded emitter of triode Q2, the collector of triode Q2 connects the cathode output end of voltage conversion circuit by resistance R7, the base stage of the collector of triode Q2 also connecting triode Q3, the grounded emitter of triode Q3, the negative pole of the collector connecting luminous diode of triode Q3, the positive pole sending out diode connects the cathode output end of voltage conversion circuit.
Further, the negative pole of light emitting diode is also connected with the cathode output end of voltage conversion circuit by light switch K2.
The invention has the beneficial effects as follows: the driving circuit of this kind of vehicle-mounted humidifier, by voltage conversion circuit and driving circuit, realize the supply socket that piezoelectric ceramic piece directly connects automobile, realize the object to air wetting in car.This circuit design is reasonable, and cost is low, easy to use, is beneficial to use.This circuit directly can also use the supply socket on automobile, realize the glittering of acoustic control melody lamp, sounding along with music or other sound can be realized, light emitting diode just followed by glittering the moving up of the speed of rhythm as sound of sound, and the melody that user can be made to experience sound and light combines.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention.
Embodiment
The preferred embodiments of the present invention are described in detail below in conjunction with accompanying drawing.
Embodiment
A kind of driving circuit of vehicle-mounted humidifier, as Fig. 1, comprise voltage conversion circuit and driving circuit, the positive pole incoming end of voltage conversion circuit connects the positive pole of supply socket, the negative pole incoming end of voltage conversion circuit connects the negative pole of supply socket, the cathode output end of voltage conversion circuit connects the electrode input end of driving circuit, and the cathode output end of voltage conversion circuit connects the negative input of driving circuit.
Driving circuit comprises inductance L 2, resistance R9, electrochemical capacitor C6, resistance R10, triode Q4, resistance R10, inductance L 3, inductance L 4, resistance R11, triode Q5, electric capacity C7, piezoelectric ceramic piece, one end of inductance L 2 connects the electrode input end of driving circuit, the collector of the other end difference connecting triode Q4 of inductance L 2, the collector of triode Q5, the positive pole of piezoelectric ceramic piece, the other end of inductance L 2 is also by the base stage of resistance R1 connecting triode Q4, the base stage of triode Q4 is also by resistance R9 ground connection, the base stage of triode Q4 is also connected with the positive pole of electrochemical capacitor C6, the negative pole of electrochemical capacitor C6 connects the negative input of driving circuit and ground connection, the negative input of driving circuit passes through the emitter of resistance R10 connecting triode Q4, the emitter of triode Q4 connects one end of inductance L 3, the other end of inductance L 3 passes through the base stage of resistance R11 connecting triode Q5, the other end of inductance L 3 also connects one end of inductance L 4, the other end of inductance L 4 connects the negative pole of piezoelectric ceramic piece, the other end of inductance L 4 also passes through electric capacity C7 ground connection, the grounded emitter of triode Q5.
Embodiment, by voltage conversion circuit and driving circuit, realizes the supply socket that piezoelectric ceramic piece directly connects automobile, realizes the object to air wetting in car.The circuit design of embodiment is reasonable, and cost is low, easy to use, is beneficial to use.
Voltage conversion circuit comprises electrochemical capacitor C1, resistance R1, chip MC34063, electric capacity C2, resistance R2, resistance R3, resistance R4, triode Q1, stabilivolt ZD1, inductance L 1, electrochemical capacitor C3, the pin 6 of chip MC34063 connects positive pole incoming end, positive pole incoming end connects the positive pole of electrochemical capacitor C1, the negative pole of electrochemical capacitor C1 connects negative pole incoming end, the pin 6 of chip MC34063 connects the pin 8 of chip MC34063 by resistance R1, the pin 8 of chip MC34063 connects the pin 7 of chip MC34063 respectively, the pin 1 of chip MC34063, the collector of triode Q1, the base stage of triode Q1 connects the pin 2 of chip MC34063, the base stage of triode Q1 also connects the positive pole of stabilivolt ZD1 by resistance R4, the plus earth of stabilivolt ZD1, the emitter of the negative pole connecting triode Q1 of stabilivolt ZD1, the emitter of triode Q1 connects the positive pole of electrochemical capacitor C3 respectively by inductance L 1, cathode output end, the negative pole of electrochemical capacitor C3 connects the positive pole of stabilivolt ZD1 respectively, cathode output end, the pin 5 of chip MC34063 is by resistance R2 ground connection, and the pin 5 of chip MC34063 also connects cathode output end by resistance R3, the pin 4 of chip MC34063 connects negative pole incoming end and ground connection, and the pin 3 of chip MC34063 is by electric capacity C2 ground connection.
Voltage conversion circuit, by using chip MC34063, at a lower cost, can realize power supply 12V and is converted to 5V.And expand stream by triode Q1, to meet the demand of ever-increasing charging current ability.
The cathode output end of voltage conversion circuit is also connected with the positive pole of USB interface, and the cathode output end of voltage conversion circuit is connected with the negative pole of USB interface.The charging of other equipment or the expansion of use can be realized by this USB interface.
Also comprise sound control flasher circuit, sound control flasher circuit comprises electrochemical capacitor C4, resistance R5, MIC interface or microphone MIC, resistance R6, resistance R7, electrochemical capacitor C5, triode Q2, triode Q3, the positive pole of electrochemical capacitor C4 connects the cathode output end of voltage conversion circuit by button switch K 1, the negative pole of electrochemical capacitor C4 connects the cathode output end of voltage conversion circuit, the cathode output end of voltage conversion circuit connects the positive pole of MIC interface or microphone MIC by resistance R5, the minus earth of MIC interface or microphone MIC, the minus earth of electrochemical capacitor C4, the positive pole of MIC interface or microphone MIC connects the positive pole of electrochemical capacitor C5, the base stage of the negative pole connecting triode Q2 of electrochemical capacitor C5, the base stage of triode Q2 connects the cathode output end of voltage conversion circuit by resistance R6, the grounded emitter of triode Q2, the collector of triode Q2 connects the cathode output end of voltage conversion circuit by resistance R7, the base stage of the collector of triode Q2 also connecting triode Q3, the grounded emitter of triode Q3, the negative pole of the collector connecting luminous diode of triode Q3, the positive pole sending out diode connects the cathode output end of voltage conversion circuit.
Embodiment directly can use the supply socket on automobile, realizes the glittering of acoustic control melody lamp.And microphone can be connected by MIC interface, or directly microphone is replaced the connection of MIC interface, sounding along with music or other sound can be realized, light emitting diode just followed by glittering the moving up of the speed of rhythm as sound of sound, and the melody that user can be made to experience sound and light combines.
The implementation procedure of embodiment is: after voltage conversion circuit input current, and electrochemical capacitor C4 filtering is for signal amplification circuit.Voice signal is converted into electric signal by MIC interface or microphone MIC, and be coupled to triode Q2 through electrochemical capacitor C5 and amplify, the signal after amplification delivers to the base stage of triode Q3, and promote lumination of light emitting diode by triode Q3, sound is larger, and light-emitting diode luminance is higher.
The negative pole of light emitting diode is also connected with the cathode output end of voltage conversion circuit by light switch K2.Illumination functions is realized by light switch K2.
Claims (5)
1. the driving circuit of a vehicle-mounted humidifier, it is characterized in that: comprise voltage conversion circuit and driving circuit, the positive pole incoming end of voltage conversion circuit connects the positive pole of supply socket, the negative pole incoming end of voltage conversion circuit connects the negative pole of supply socket, the cathode output end of voltage conversion circuit connects the electrode input end of driving circuit, and the cathode output end of voltage conversion circuit connects the negative input of driving circuit;
Driving circuit comprises inductance L 2, resistance R9, electrochemical capacitor C6, resistance R10, triode Q4, resistance R10, inductance L 3, inductance L 4, resistance R11, triode Q5, electric capacity C7, piezoelectric ceramic piece, one end of inductance L 2 connects the electrode input end of driving circuit, the collector of the other end difference connecting triode Q4 of inductance L 2, the collector of triode Q5, the positive pole of piezoelectric ceramic piece, the other end of inductance L 2 is also by the base stage of resistance R1 connecting triode Q4, the base stage of triode Q4 is also by resistance R9 ground connection, the base stage of triode Q4 is also connected with the positive pole of electrochemical capacitor C6, the negative pole of electrochemical capacitor C6 connects the negative input of driving circuit and ground connection, the negative input of driving circuit passes through the emitter of resistance R10 connecting triode Q4, the emitter of triode Q4 connects one end of inductance L 3, the other end of inductance L 3 passes through the base stage of resistance R11 connecting triode Q5, the other end of inductance L 3 also connects one end of inductance L 4, the other end of inductance L 4 connects the negative pole of piezoelectric ceramic piece, the other end of inductance L 4 also passes through electric capacity C7 ground connection, the grounded emitter of triode Q5.
2. the driving circuit of vehicle-mounted humidifier as claimed in claim 1, is characterized in that: voltage conversion circuit comprises electrochemical capacitor C1, resistance R1, chip MC34063, electric capacity C2, resistance R2, resistance R3, resistance R4, triode Q1, stabilivolt ZD1, inductance L 1, electrochemical capacitor C3, the pin 6 of chip MC34063 connects positive pole incoming end, positive pole incoming end connects the positive pole of electrochemical capacitor C1, the negative pole of electrochemical capacitor C1 connects negative pole incoming end, the pin 6 of chip MC34063 connects the pin 8 of chip MC34063 by resistance R1, the pin 8 of chip MC34063 connects the pin 7 of chip MC34063 respectively, the pin 1 of chip MC34063, the collector of triode Q1, the base stage of triode Q1 connects the pin 2 of chip MC34063, the base stage of triode Q1 also connects the positive pole of stabilivolt ZD1 by resistance R4, the plus earth of stabilivolt ZD1, the emitter of the negative pole connecting triode Q1 of stabilivolt ZD1, the emitter of triode Q1 connects the positive pole of electrochemical capacitor C3 respectively by inductance L 1, cathode output end, the negative pole of electrochemical capacitor C3 connects the positive pole of stabilivolt ZD1 respectively, cathode output end, the pin 5 of chip MC34063 is by resistance R2 ground connection, and the pin 5 of chip MC34063 also connects cathode output end by resistance R3, the pin 4 of chip MC34063 connects negative pole incoming end and ground connection, and the pin 3 of chip MC34063 is by electric capacity C2 ground connection.
3. the driving circuit of vehicle-mounted humidifier as claimed in claim 1, it is characterized in that: the cathode output end of voltage conversion circuit is also connected with the positive pole of USB interface, the cathode output end of voltage conversion circuit is connected with the negative pole of USB interface.
4. the driving circuit of the vehicle-mounted humidifier as described in any one of claim 1-3, it is characterized in that: also comprise sound control flasher circuit, sound control flasher circuit comprises electrochemical capacitor C4, resistance R5, MIC interface or microphone MIC, resistance R6, resistance R7, electrochemical capacitor C5, triode Q2, triode Q3, the positive pole of electrochemical capacitor C4 connects the cathode output end of voltage conversion circuit by button switch K 1, the negative pole of electrochemical capacitor C4 connects the cathode output end of voltage conversion circuit, the cathode output end of voltage conversion circuit connects the positive pole of MIC interface or microphone MIC by resistance R5, the minus earth of MIC interface or microphone MIC, the minus earth of electrochemical capacitor C4, the positive pole of MIC interface or microphone MIC connects the positive pole of electrochemical capacitor C5, the base stage of the negative pole connecting triode Q2 of electrochemical capacitor C5, the base stage of triode Q2 connects the cathode output end of voltage conversion circuit by resistance R6, the grounded emitter of triode Q2, the collector of triode Q2 connects the cathode output end of voltage conversion circuit by resistance R7, the base stage of the collector of triode Q2 also connecting triode Q3, the grounded emitter of triode Q3, the negative pole of the collector connecting luminous diode of triode Q3, the positive pole sending out diode connects the cathode output end of voltage conversion circuit.
5. the driving circuit of vehicle-mounted humidifier as claimed in claim 4, is characterized in that: the negative pole of light emitting diode is also connected with the cathode output end of voltage conversion circuit by light switch K2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510877570.3A CN105425893B (en) | 2015-12-04 | 2015-12-04 | Drive circuit for vehicle-mounted humidifier |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510877570.3A CN105425893B (en) | 2015-12-04 | 2015-12-04 | Drive circuit for vehicle-mounted humidifier |
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| CN105425893A true CN105425893A (en) | 2016-03-23 |
| CN105425893B CN105425893B (en) | 2017-01-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510877570.3A Active CN105425893B (en) | 2015-12-04 | 2015-12-04 | Drive circuit for vehicle-mounted humidifier |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106292459A (en) * | 2016-09-30 | 2017-01-04 | 贵州德莱易环保科技有限公司 | Indoor nebulizer controls drive circuit |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005080463A (en) * | 2003-09-02 | 2005-03-24 | Tdk Corp | Dc-dc converter and piezoelectric transducer drive circuit |
| CN1680755A (en) * | 2004-04-09 | 2005-10-12 | 森岛(上海)电气有限公司 | Supersonic activator for realizing air purification of vehicle |
| CN202238482U (en) * | 2011-09-02 | 2012-05-30 | 杨义根 | Ultrasonic atomizer |
| CN102607128A (en) * | 2012-04-11 | 2012-07-25 | 刘喆 | Ultrasonic atomizing device |
| US20130207633A1 (en) * | 2012-02-13 | 2013-08-15 | Seiko Instruments Inc. | Switching regulator |
| CN103486684A (en) * | 2012-06-13 | 2014-01-01 | 王永松 | Domestic air humidifier |
| CN205247257U (en) * | 2015-12-04 | 2016-05-18 | 芜湖锐芯电子科技有限公司 | Drive circuit that on -vehicle humidifier was used |
-
2015
- 2015-12-04 CN CN201510877570.3A patent/CN105425893B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005080463A (en) * | 2003-09-02 | 2005-03-24 | Tdk Corp | Dc-dc converter and piezoelectric transducer drive circuit |
| CN1680755A (en) * | 2004-04-09 | 2005-10-12 | 森岛(上海)电气有限公司 | Supersonic activator for realizing air purification of vehicle |
| CN202238482U (en) * | 2011-09-02 | 2012-05-30 | 杨义根 | Ultrasonic atomizer |
| US20130207633A1 (en) * | 2012-02-13 | 2013-08-15 | Seiko Instruments Inc. | Switching regulator |
| CN102607128A (en) * | 2012-04-11 | 2012-07-25 | 刘喆 | Ultrasonic atomizing device |
| CN103486684A (en) * | 2012-06-13 | 2014-01-01 | 王永松 | Domestic air humidifier |
| CN205247257U (en) * | 2015-12-04 | 2016-05-18 | 芜湖锐芯电子科技有限公司 | Drive circuit that on -vehicle humidifier was used |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106292459A (en) * | 2016-09-30 | 2017-01-04 | 贵州德莱易环保科技有限公司 | Indoor nebulizer controls drive circuit |
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| Publication number | Publication date |
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| CN105425893B (en) | 2017-01-18 |
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Effective date of registration: 20200420 Address after: 201100 room ta228, building 1, No. 450, Husong Road, Minhang District, Shanghai Patentee after: Shanghai Zhihong Electric Technology Co., Ltd Address before: 241009 No. 5, steam Road, Wuhu economic and Technological Development Zone, Anhui, 2-05 Patentee before: WUHU RUIXIN ELECTRONIC TECHNOLOGY Co.,Ltd. |
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