CN108944653A - A kind of universe formula flasher driving circuit - Google Patents
A kind of universe formula flasher driving circuit Download PDFInfo
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- CN108944653A CN108944653A CN201811073693.1A CN201811073693A CN108944653A CN 108944653 A CN108944653 A CN 108944653A CN 201811073693 A CN201811073693 A CN 201811073693A CN 108944653 A CN108944653 A CN 108944653A
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- 239000003990 capacitor Substances 0.000 claims description 70
- 239000004065 semiconductor Substances 0.000 claims description 26
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- 239000003086 colorant Substances 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims 1
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- 230000009286 beneficial effect Effects 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
- B60Q1/26—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]
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Abstract
The invention discloses a kind of universe formula flasher driving circuits, belong to vehicle electric technical field.A kind of universe formula flasher driving circuit of the invention, switch module, output module, output comparison module and PIC single chip microcomputer including power supply module, control flasher work, power supply module, switch module, buzzer output module and output comparison module are attached with the pin in PIC single chip microcomputer and feed back information to PIC single chip microcomputer, and output comparison module curent change according to caused by car light power and lamp on/off situation adjusts the output frequency of PIC single chip microcomputer and then adjusts the flicker frequency of lamp.Multiple circuit modules such as PIC single chip microcomputer and differential amplification, comparison circuit are combined use by the present invention, enable single-chip microcontroller according to comparator export result come change flash lamp flicker frequency and can decision circuitry it is whether normal, enrich function, use scope is widened, it can adapt to the flash lamp of a certain range of various power, there is preferable economic benefit.
Description
Technical field
The present invention relates to vehicle electric technical fields, more specifically to a kind of universe formula flasher driving circuit.
Background technique
The flash lamp of vehicle is controlled by flasher, and common flasher is generally divided into three categories in automobile: capacitor
Formula flasher, vane type flasher and electronic type flasher.With the high speed development of electronic product, electronic type flasher is due to it
The features such as reliable operation, long service life, is widely popularized, and electronic type flasher is usually by transistor switching circuit, an electricity
Container and relay composition, this flasher can control car light flashing, early warning cannot be prompted when car light damages, makes to drive
Vehicle security performance it is low, in order to improve driving safety security performance, now mostly use integrated chip to control flash lamp
Flashing and prompt early warning in car light damage, and flasher limitation at this stage is very big, is typically only capable to adapt to a kind of money
The flash lamp of formula, changes flash lamp style or vehicle changes, and flasher cannot work normally, therefore is guaranteeing that its function is strong
While big, which needs further to be solved.
China Patent No. ZL201420105823.6, authorized announcement date are on September 10th, 2014, invention and created name are as follows:
Wiring board and its flasher used in a kind of flasher for vehicle, this application are related to wiring board used in a kind of flasher for vehicle,
Including the control circuit for controlling flasher flashing and the sample circuit for detecting car light damage；Sample circuit includes first
Triode Q1, the second triode Q2, diode D1 and resistance R1 to resistance R4；Control circuit includes relay, control relay
The third transistor Q3 and control relay of actuation are attracted the charging capacitor C1 of frequency；This application also provides a kind of flash of light
Device, including above-described wiring board.In this application case, by increasing temperature-compensation circuit to sample circuit, make sampling electricity
The result of stream is not influenced by temperature, to improve the accuracy of sample rate current, more improves the reliability of flasher still
Flasher circuit structure is single for this, has a single function, and the flicker frequency of lamp cannot be adjusted according to the state of flash lamp, drop
The safety of low traveling.
Summary of the invention
1. technical problems to be solved by the inivention
It is an object of the invention to overcome existing flasher to have a single function, device performance is poor, control precision is low etc. no
Foot, provides a kind of universe formula flasher driving circuit, using technical solution of the present invention, by PIC single chip microcomputer and multiple modules
Be combined use, enable single-chip microcontroller changed according to the output situation of comparator flash lamp flicker frequency and can
Whether decision circuitry is normal, enriches function, has widened use scope, can adapt to the flash of light of a certain range of various power
Lamp has preferable economic benefit.
2. technical solution
In order to achieve the above objectives, technical solution provided by the invention are as follows:
A kind of universe formula flasher driving circuit of the invention, including for providing electric energy for flasher power supply module,
The switch module of control flasher work, exports comparison module and according to defeated at the buzzer output module to play the power supply of sound equipment
The information that comparison module provides out adjusts the PIC single chip microcomputer of lamp flicker frequency, the power supply module, switch module, buzzer
Output module and output comparison module are attached with the pin in PIC single chip microcomputer and feed back information to PIC single chip microcomputer,
In,
Exporting comparison module includes comparison loop 1 and comparison loop 2, the circuit of the comparison loop 1 and comparison loop 2
Structure is identical, includes the first operational amplifier in the comparison loop 1, and the output of first operational amplifier is terminated with
Output module, the in-phase end of input terminal are connected to same phase module, and the reverse phase of input terminal is terminated with inversed module, comparison loop 1 and ratio
Output module compared with circuit 2 connects the different pins in PIC single chip microcomputer；
Output comparison module curent change according to caused by car light changed power and lamp on/off situation adjusts PIC
The output frequency of single-chip microcontroller and then the flicker frequency for adjusting lamp.
Further, the output module of first operational amplifier connection includes the 5th capacitor and the 8th resistance,
The 5th capacitor first port ground connection, second port are connect with the first port of the 8th resistance, the second end of the 8th resistance
Mouth connects supply voltage, and the first port of the 8th resistance is connected with the output end of second operational amplifier；
The inversed module of the first operational amplifier connection includes the 7th capacitor, the 18th resistance, the 19th resistance
With the first inductance, the 7th capacitor and the uniform end ground connection of the 18th resistance, the input terminal of the other end and the first operational amplifier
Reverse side connection, the reverse side of the input terminal of the described 19th resistance one termination second operational amplifier, the other end passes through
The anode of first inductance and storage battery connects；
The same phase module of the first operational amplifier connection includes the 6th capacitor, the 9th resistance, the tenth resistance, the tenth
One resistance, twelfth resistor, thirteenth resistor, the 14th resistance, the 15th resistance, the 21st resistance, third transistor,
Four triodes, the 5th triode and the 6th triode, the 6th capacitor and the 9th resistance uniform end ground connection, the other end and the
The in-phase end of the input terminal of one operational amplifier connects, and the third transistor and the 4th triode are positive-negative-positive, the five or three pole
Pipe and the 6th triode are NPN type triode, and the base stage of the third transistor is connected with the base stage of the 4th triode, third
The collector of triode connects the collector of the 5th triode, and the collector of the 4th triode connects the collector of the 6th triode, the
The emitter of five triodes is grounded after passing sequentially through twelfth resistor and the 14th resistance, and the emitter of the 6th triode is by the
It is grounded after 13 resistance, the tenth resistance one terminates the in-phase end of the input terminal of the first operational amplifier, and the other end is through the
It is grounded after 14 resistance；
Between first inductance, the one end Jie eleventh resistor and the 19th resistance, the other end is through the 21st resistance
It is followed by connecting while the emitter of the 4th triode with storage battery anode.
Further, the power supply module includes first diode, first resistor, second resistance, first capacitor, three
End can align voltage-stablizer and the second capacitor, and the anode of the first diode connects storage battery anode, and cathode passes through in parallel first
Resistance and second resistance, which are followed by three ends, can align the Vin foot of voltage-stablizer, and the first capacitor one, which terminates three ends, can align pressure stabilizing
The Vin foot of device, other end ground connection, the Vout foot that three ends can align voltage-stablizer connect PIC single chip microcomputer while connecing 5V power supply
1 foot, second capacitor one, which terminates three ends, can align the Vout foot of voltage-stablizer, other end ground connection.
Further, the switch module includes left and right control switch and two duplicate control modules, institute
The control module stated includes 3rd resistor, the 4th resistance, the 5th resistance, the 6th resistance, the 7th resistance, the 4th capacitor, the two or two
Pole pipe and the first zener diode, the 4th described resistance one end are connect with 3rd resistor first port, other end ground connection, described
The first zener diode cathode connect 3rd resistor second port, plus earth, the 5th resistance and the 4th capacitor are uniform
3rd resistor second port, other end ground connection are terminated, the 6th resistance one terminates 3rd resistor, the two or two pole of another termination
The anode of pipe, the cathode of second diode of termination of the 7th resistance, other end ground connection；Control module described in one with
The line of three resistance first ports connection connects 3 feet of left and right control switch, the control module described in another with 3rd resistor the
The line of Single port connection connects 1 foot of left and right control switch.
Further, the buzzer output module includes the 7th triode, the 8th capacitor, the 20th resistance, the
Five diodes, the 9th capacitor and Text module, the Text module one terminate 2 feet of left and right control switch, another termination the
The collector of seven triodes, the emitter ground connection of the 7th triode, base stage connects the first port of the 20th resistance, described
The second port of the 20th resistance connect the cathode of the 5th diode, the 8th capacitor one end ground connection, another termination the 7th
The base stage of triode, the 9th capacitor one terminate the anode of the 5th diode, other end ground connection.
Further, the output comparison module further includes the tenth capacitor, the 4th diode and 4 circuit structure phases
Same link block, the link block is respectively link block one, link block two, link block three and link block
Four, the link block includes third diode, the first triode, the 16th resistance, the 17th resistance and the first MOS
Pipe, the cathode of the third diode connect the base stage of the first triode, the hair of first triode through the 16th resistance
Emitter grounding, the collector of the first triode connect storage battery anode through the 17th resistance, while the collector of the first triode connects the
The grid of one metal-oxide-semiconductor, wherein
The drain electrode of first metal-oxide-semiconductor of link block one is followed by storage battery anode, the source of the first metal-oxide-semiconductor by the 21st resistance
Pole is connect after connecting with right rear light with right indicating lamp；
The drain electrode of first metal-oxide-semiconductor of link block two is followed by storage battery anode, the source of the first metal-oxide-semiconductor by the 21st resistance
Pole is connect after connecting with left rear light with left indicator light；
The source electrode of first metal-oxide-semiconductor of link block three is followed by storage battery anode, the leakage of the first metal-oxide-semiconductor by the 21st resistance
Pole connects right headlight respectively and connects with right indicating lamp；
The source electrode of first metal-oxide-semiconductor of link block four is followed by storage battery anode, the leakage of the first metal-oxide-semiconductor by the 21st resistance
Pole connects left front lamp respectively and connects with left indicator light；
The third diode cathode of the link block one be connected with the third diode cathode of link block three after through the tenth
It is grounded after capacitor, while connecing the anode of the 4th diode, the cathode of the 4th diode connects the second port of the 20th resistance.
Further, the connecting line of the left and right control switch, left front lamp, right headlight, left rear light and right rear light
The electric wire that different colours can be used is attached.
3. beneficial effect
Using technical solution provided by the invention, compared with existing well-known technique, there is following remarkable result:
(1) a kind of universe formula flasher driving circuit of the invention, by PIC single chip microcomputer and more differential amplifications, comparison circuit
It is combined use etc. multiple circuit modules, single-chip microcontroller is enabled to adjust the flashing of flash lamp according to the feedback information of pin
Frequency and can decision circuitry it is whether normal, enrich function, widened use scope, can adapt to a certain range of each
The flash lamp of kind power, has preferable economic benefit；
(2) a kind of universe formula flasher driving circuit of the invention, can align voltage-stablizer by power supply module and three ends
In conjunction with making LED can be resistant to the requirement of AC50V and DC40V, meet higher vehicle rule and require, especially European vehicle rule mention simultaneously
The high stability of circuit, extends the service life of flasher；
(3) a kind of universe formula flasher driving circuit of the invention, the non-inverting input terminal of the first operational amplifier are applicable in
Power bracket is wide, and corresponding voltage range is also wide, and circuit realizes the control of universe formula, and suitable power range is wide.
Detailed description of the invention
Fig. 1 is a kind of circuit diagram of universe formula flasher driving circuit of the invention.
Label declaration in schematic diagram:
D1, first diode；D2, the second diode；D3, third diode；D4, the 4th diode；D5, the five or two pole
Pipe；Q1, the first triode；Q2, the first metal-oxide-semiconductor；Q3, third transistor；Q4, the 4th triode；Q5, the 5th triode；Q6,
Six triodes；Q7, the 7th triode；R1, first resistor；R2, second resistance；R3,3rd resistor；R4, the 4th resistance；R5,
Five resistance；R6, the 6th resistance；R7, the 7th resistance；R8, the 8th resistance；R9, the 9th resistance；R10, the tenth resistance；R11, the tenth
One resistance；R12, twelfth resistor；R13, thirteenth resistor；R14, the 14th resistance；R15, the 15th resistance；R16, the 16th
Resistance；R17, the 17th resistance；R18, the 18th resistance；R19, the 19th resistance；R20, the 20th resistance；C1, first capacitor；
C2, the second capacitor；C3, third capacitor；C4, the 4th capacitor；C1, first capacitor；C2, the second capacitor；C3, third capacitor；C4,
Four capacitors；C5, the 5th capacitor；C6, the 6th capacitor；C7, the 7th capacitor；C8, the 8th capacitor；C9, the 9th capacitor；C10, the tenth electricity
Hold；U1, three ends can align voltage-stablizer；U31, the first operational amplifier；RX1, the 21st resistance；L1, the first inductance；Z1,
One zener diode；U2, PIC single chip microcomputer；VCC, supply voltage.
Specific embodiment
To further appreciate that the contents of the present invention, the present invention is described in detail in conjunction with the accompanying drawings and embodiments.
Embodiment
As shown in connection with fig. 1, a kind of universe formula flasher driving circuit of the present embodiment, including for providing electricity for flasher
Can power supply module and control flasher work switch module, further include for beat sound equipment power buzzer output module,
It exports comparison module and adjusts the PIC single chip microcomputer U2 of lamp flicker frequency according to the information that output comparison module provides, in this implementation
In example, the model PIC12f629 of PIC single chip microcomputer U2, power supply module, switch module, buzzer output module and output are compared
Module is attached with the pin on PIC single chip microcomputer U2 and feeds back information to PIC single chip microcomputer U2, by PIC single chip microcomputer and poor
Multiple circuit modules such as point amplification, comparison circuit are combined use, enable single-chip microcontroller according to comparator output result come
Adjust flash lamp flicker frequency and can decision circuitry it is whether normal, enrich function, can adapt to a certain range of
The flash lamp of various power has preferable economic benefit, wherein output comparison module includes comparison loop 1 and comparison loop
2, comparison loop 1 is identical with the circuit structure of comparison loop 2, includes the first operational amplifier U31, the first fortune in comparison loop 1
The output for calculating amplifier U31 is terminated with output module, and the in-phase end of input terminal is connected to same phase module, and the reverse phase of input terminal is terminated with
The output module of inversed module, comparison loop 1 and comparison loop 2 connects the different pins on PIC single chip microcomputer U2；Export comparison module
The output frequency of PIC single chip microcomputer U2 is adjusted according to the bright position of car light and lamp on/off situation and then adjusts the flicker frequency of lamp.
The output module of first operational amplifier U31 connection includes the 5th capacitor C5 and the 8th resistance R8, the 5th capacitor C5 first port
Ground connection, second port are connect with the first port of the 8th resistance R8, and the second port of the 8th resistance R8 meets supply voltage VCC, the
The first port of eight resistance R8 is connected with the output end of second operational amplifier U32.The reverse phase of first operational amplifier U31 connection
Module includes the 7th capacitor C7, the 18th resistance R18, the 19th resistance R19 and the first inductance L1, the 7th capacitor C7 and the
The uniform end ground connection of 18 resistance R18, the other end are connect with the reverse side of the input terminal of the first operational amplifier U31, the 19th electricity
The reverse side that R19 mono- terminates the input terminal of second operational amplifier U2 is hindered, the other end passes through the anode of the first inductance L1 and storage battery
Connection.The same phase module of first operational amplifier U31 connection includes the 6th capacitor C6, the 9th resistance R9, the tenth resistance R10, the
11 resistance R11, twelfth resistor R12, thirteenth resistor R13, the 14th resistance R14, the 15th resistance R15, the 21st
Resistance RX1, third transistor Q3, the 4th triode Q4, the 5th triode Q5 and the 6th triode Q6, the 6th capacitor C6 and the 9th
The uniform end resistance R9 ground connection, the other end are connect with the in-phase end of the input terminal of the first operational amplifier U31, third transistor Q3 with
4th triode Q4 is positive-negative-positive, and the 5th triode Q5 and the 6th triode Q6 are NPN type triode, the base of third transistor Q3
Pole is connected with the base stage of the 4th triode Q4, and the collector of third transistor Q3 connects the collector of the 5th triode Q5, and the four or three
The collector of pole pipe Q4 connects the collector of the 6th triode Q6, and the emitter of the 5th triode Q5 passes sequentially through twelfth resistor
It is grounded after R12 and the 14th resistance R14, the emitter of the 6th triode Q6 is grounded after thirteenth resistor R13, the tenth resistance
R10 mono- terminates the in-phase end of the input terminal of the first operational amplifier U31, and the other end is grounded after the 14th resistance R14.First electricity
Feel between L1 mono- end Jie eleventh resistor R11 and the 19th resistance R19, the other end is followed by the 4th through the 21st resistance RX1
It is connect while the emitter of triode Q4 with storage battery anode.In the present embodiment, the first operational amplifier in comparison loop 1
The output module of U31 being connected to is connected with 7 feet of PIC single chip microcomputer U2, and the first operational amplifier U31's in comparison loop 2 is defeated
Module is connected with 4 feet of PIC single chip microcomputer U2 out, and output module further includes third capacitor C3, and third capacitor C3 mono- terminates PIC monolithic
8 feet of machine U2, another termination 5V power supply, the 8 feet ground connection of PIC single chip microcomputer U2.In the present embodiment, the first operational amplifier U31
Non-inverting input terminal power bracket be 0.5W to 40W, corresponding operating voltage range be 0.02V to 2.2V, it is seen that first
The suitable power range of the non-inverting input terminal of operational amplifier is wide, and corresponding voltage range is also wide, the first operational amplifier U31's
The operating voltage of inverting input terminal is 0.045V, and integrated circuit can realize that universe formula controls, with the wide spy of suitable power range
Point.
As shown in connection with fig. 1, power supply module includes first diode D1, first resistor R1, second resistance R2, first capacitor
C1, three ends can align voltage-stablizer U1 and the second capacitor C2, and the anode of first diode D1 connects storage battery anode, and cathode passes through parallel connection
First resistor R1 and second resistance R2, which is followed by three ends, can align the Vin foot of voltage-stablizer U1, and it is adjustable that first capacitor C1 mono- terminates three ends
The Vin foot of positive voltage-stablizer U1, other end ground connection, it is mono- that the Vout foot that three ends can align voltage-stablizer U1 meets PIC while connecing 5V power supply
1 foot of piece machine U2, the second capacitor C2 mono-, which terminates three ends, can align the Vout foot of voltage-stablizer U1, other end ground connection.Pass through mould of powering
Block and three ends can align the combination of voltage-stablizer U1, and LED is made to can be resistant to the requirement of AC50V and DC40V, meet higher vehicle rule and want
It asks, especially European vehicle rule, while improving the stability of circuit, extend the service life of flasher.In the present embodiment
The voltage that power supply comes out is converted to 5V voltage by power supply module, expands the range of input voltage, here the preferred 9- of input voltage
16V.Switch module includes left and right control switch and two duplicate control modules, control module include 3rd resistor R3,
4th resistance R4, the 5th resistance R5, the 6th resistance R6, the 7th resistance R7, the 4th capacitor C4, the second diode D2 and the first pressure stabilizing
Diode Z1, the 4th one end resistance R4 are connect with 3rd resistor R3 first port, other end ground connection, and the first zener diode Z1 is negative
Pole meets 3rd resistor R3 second port, plus earth, the 5th resistance R5 and the uniform termination 3rd resistor R3 second of the 4th capacitor C4
Port, other end ground connection, the 6th resistance R6 mono- terminate 3rd resistor R3, the anode of the second diode D2 of another termination, the 7th electricity
Hinder the cathode of a second diode D2 of termination of R7, other end ground connection；One control module with 3rd resistor R3 first port
The line of connection connects 3 feet of left and right control switch, and in the present embodiment, the line for connecing the anode of the second diode D2 connects PIC single chip microcomputer
2 feet of U2, the line of another control module connecting with 3rd resistor R3 first port connect 1 foot of left and right control switch, connect
The line of the anode of two diode D2 connects 3 feet of PIC single chip microcomputer U2.Buzzer output module includes the 7th triode Q7, the 8th electricity
Hold C8, the 20th resistance R20, the 5th diode D5, the 9th capacitor C9 and Text module, the left and right control of the termination of Text module one is opened
2 feet closed, the collector of the 7th triode Q7 of another termination, the emitter ground connection of the 7th triode Q7, base stage connect the 20th electricity
The first port of R20 is hindered, the second port of the 20th resistance R20 connects the cathode of the 5th diode D5, the 8th capacitor C8 mono- termination
Ground, the base stage of the 7th triode Q7 of another termination, the 9th capacitor C9 mono- terminate the anode of the 5th diode D5, and the other end is grounded,
In the present embodiment, the anode of the 5th diode D5 connects 5 feet of PIC single chip microcomputer U2.
As shown in connection with fig. 1, output comparison module further includes the tenth capacitor C10, the 4th diode D4 and 4 circuit structure phases
Same link block, link block are respectively link block one, link block two, link block three and link block four, connection
Module includes third diode D3, the first triode Q1, the 16th resistance R16, the 17th resistance R17 and the first metal-oxide-semiconductor Q2,
The cathode of third diode D3 connects the base stage of the first triode Q1 through the 16th resistance R16, and the emitter of the first triode Q1 connects
Ground, the collector of the first triode Q1 connect storage battery anode through the 17th resistance R17, while the collector of the first triode Q1 connects the
The grid of one metal-oxide-semiconductor Q2, wherein the drain electrode of the first metal-oxide-semiconductor Q2 of link block one is followed by storage battery by the 21st resistance RX1
Anode, the source electrode of the first metal-oxide-semiconductor Q2 are connect after connecting with right rear light with right indicating lamp；First metal-oxide-semiconductor Q2's of link block two
Drain electrode by the 21st resistance RX1 be followed by storage battery anode, the source electrode of the first metal-oxide-semiconductor Q2 connect with left rear light after with left indicator light
Connection；The source electrode of first metal-oxide-semiconductor Q2 of link block three is followed by storage battery anode, the first metal-oxide-semiconductor Q2 by the 21st resistance RX1
Drain electrode connect right headlight respectively and connected with right indicating lamp；The source electrode of first metal-oxide-semiconductor Q2 of link block four is by the 21st electricity
Resistance RX1 is followed by storage battery anode, and the drain electrode of the first metal-oxide-semiconductor Q2 connects left front lamp respectively and connects with left indicator light.The third of link block one
Diode D3 anode is grounded after the tenth capacitor C10 after being connected with the third diode D3 anode of link block three, while connecing the 4th
The cathode of the anode of diode D4, the 4th diode D4 connects the second port of the 20th resistance R20.It is left and right control switch, left front
Lamp, right headlight, left rear light and right rear light connecting line the electric wires of different colours can be used be attached and facilitated with this
Differentiate the corresponding circuit of each node.In the present embodiment, the of the third diode D3 anode of link block two and link block four
Three diode D3 anodes, which are connected, is followed by 5 feet of PIC single chip microcomputer U2.
In the present embodiment, left and right control switch gets to the left side, and 2 feet of PIC single chip microcomputer U2 are high voltage, and left and right control is opened
The right is got in pass, and 3 feet of PIC single chip microcomputer U2 are high voltage, and switch gets to centre, and 2 feet and 3 feet of PIC single chip microcomputer U2 are low electricity
Piezoelectricity pressure, it is that left front lamp and left rear light are dodged that left and right control switch, which beats the left side, and it is that right headlight and right rear light are dodged that switch, which beats the right, with one
For group lamp, left and right control switch beats the left side, and the 6 foot output frequency signals of PIC single chip microcomputer U2 flash left front lamp and left rear light
It lights, when left front lamp is bright by comparing circuit 2, high level can be passed to 4 feet of PIC single chip microcomputer U2, lead to when left front lamp goes out
Comparison loop 2 is crossed, low level can be passed to 4 feet of PIC single chip microcomputer U2, similarly, when left rear light is bright by comparing circuit 1, meeting
Low level can be passed to PIC monolithic when left rear light is gone out by comparing circuit 1 by 7 feet that high level is passed to PIC single chip microcomputer U2
7 feet of machine U2, by the voltage of 4 feet and 7 feet, PIC single chip microcomputer U2 may determine that front and back lamp whether be a lamp broken string or it is normal
State, so that the output frequency for controlling 6 feet of PIC single chip microcomputer U2 adjusts the flicker frequency of lamp.Left and right control switch beats the right,
The 5 foot output frequency signals of PIC single chip microcomputer U2 light right headlight and right rear light flashing.
A kind of universe formula flasher driving circuit of the invention, PIC single chip microcomputer and differential amplification, comparison circuit etc. is multiple
Circuit module is combined use, and single-chip microcontroller is enabled to adjust the flicker frequency of flash lamp according to the feedback information of pin simultaneously
And can decision circuitry it is whether normal, enrich function, widened use scope, can adapt to a certain range of various power
Flash lamp have preferable so that when flash lamp model change or vehicle change, flasher remains to normal use
Economic benefit.
Schematically the present invention and embodiments thereof are described above, description is not limiting, institute in attached drawing
What is shown is also one of embodiments of the present invention, and actual structure is not limited to this.So if the common skill of this field
Art personnel are enlightened by it, without departing from the spirit of the invention, are not inventively designed and the technical solution
Similar frame mode and embodiment, are within the scope of protection of the invention.
Claims (7)
1. a kind of universe formula flasher driving circuit, including the power supply module and control flasher for providing electric energy for flasher
The switch module of work, it is characterised in that: further include for beat sound equipment power supply buzzer output module, output comparison module and
The PIC single chip microcomputer (U2) of lamp flicker frequency, the power supply module, switching molding are adjusted according to the information that output comparison module provides
Block, buzzer output module and output comparison module are attached with the pin on PIC single chip microcomputer (U2) and feed back information
Give PIC single chip microcomputer (U2), wherein
Exporting comparison module includes comparison loop 1 and comparison loop 2, the circuit structure of the comparison loop 1 and comparison loop 2
It is identical, it include the first operational amplifier (U31), the output of first operational amplifier (U31) in the comparison loop 1
It is terminated with output module, the in-phase end of input terminal is connected to same phase module, and the reverse phase of input terminal is terminated with inversed module, comparison loop
1 and the output module of comparison loop 2 connect the different pins on PIC single chip microcomputer (U2)；
Output comparison module curent change according to caused by car light changed power and lamp on/off situation adjusts PIC monolithic
The output frequency of machine (U2) and then the flicker frequency for adjusting lamp.
2. a kind of universe formula flasher driving circuit according to claim 1, it is characterised in that: first operation is put
The output module of big device (U31) connection includes the 5th capacitor (C5) and the 8th resistance (R8), the 5th capacitor (C5) first
Port ground connection, second port are connect with the first port of the 8th resistance (R8), and the second port of the 8th resistance (R8) connects power supply electricity
It presses (VCC), the first port of the 8th resistance (R8) is connected with the output end of second operational amplifier (U32)；
The inversed module of described first operational amplifier (U31) connection include the 7th capacitor (C7), the 18th resistance (R18),
19th resistance (R19) and the first inductance (L1), the 7th capacitor (C7) and the uniform end ground connection of the 18th resistance (R18), separately
One end is connect with the reverse side of the input terminal of the first operational amplifier (U31), the 19th resistance (R19) one termination second
The reverse side of the input terminal of operational amplifier (U2), the other end are connect by the first inductance (L1) with the anode of storage battery；
The same phase module of first operational amplifier (U31) connection includes the 6th capacitor (C6), the 9th resistance (R9), the tenth
Resistance (R10), eleventh resistor (R11), twelfth resistor (R12), thirteenth resistor (R13), the 14th resistance (R14),
15 resistance (R15), the 21st resistance (RX1), third transistor (Q3), the 4th triode (Q4), the 5th triode (Q5)
With the 6th triode (Q6), the 6th capacitor (C6) and the uniform end ground connection of the 9th resistance (R9), the other end and the first operation
The in-phase end of the input terminal of amplifier (U31) connects, and the third transistor (Q3) and the 4th triode (Q4) are positive-negative-positive,
5th triode (Q5) and the 6th triode (Q6) are NPN type triode, the base stage and the 4th of the third transistor (Q3)
The base stage of triode (Q4) is connected, and the collector of third transistor (Q3) connects the collector of the 5th triode (Q5), the four or three pole
The collector of pipe (Q4) connects the collector of the 6th triode (Q6), and the emitter of the 5th triode (Q5) passes sequentially through the 12nd electricity
Resistance (R12) and the 14th resistance (R14) are grounded afterwards, and the emitter of the 6th triode (Q6) is followed by by thirteenth resistor (R13)
Ground, the in-phase end of the input terminal of the tenth resistance (R10) one termination the first operational amplifier (U31), the other end is through the tenth
Four resistance (R14) are grounded afterwards；
Between first inductance (L1) end Jie eleventh resistor (R11) and the 19th resistance (R19), the other end is through
21 resistance (RX1) are followed by connecting while the emitter of the 4th triode (Q4) with storage battery anode.
3. a kind of universe formula flasher driving circuit according to claim 2, it is characterised in that: the power supply module packet
Include first diode (D1), first resistor (R1), second resistance (R2), first capacitor (C1), three ends can align voltage-stablizer (U1)
With the second capacitor (C2), the anode of the first diode (D1) connects storage battery anode, and cathode passes through first resistor in parallel
(R1) and second resistance (R2) is followed by three ends can align the Vin foot of voltage-stablizer (U1), the termination of the first capacitor (C1) one three
End can align the Vin foot of voltage-stablizer (U1), other end ground connection, and the Vout foot that three ends can align voltage-stablizer (U1) connects 5V electricity
1 foot of PIC single chip microcomputer (U2) is connect while source, second capacitor (C2) one, which terminates three ends, can align voltage-stablizer (U1)
Vout foot, other end ground connection.
4. a kind of universe formula flasher driving circuit according to claim 3, it is characterised in that: the switch module packet
Left and right control switch and two duplicate control modules are included, the control module includes 3rd resistor (R3), the 4th electricity
Hinder (R4), the 5th resistance (R5), the 6th resistance (R6), the 7th resistance (R7), the 4th capacitor (C4), the second diode (D2) and the
One zener diode (Z1), the 4th described resistance one end (R4) are connect with 3rd resistor (R3) first port, other end ground connection,
Described the first zener diode (Z1) cathode connects 3rd resistor (R3) second port, plus earth, the 5th resistance
(R5) it is grounded with uniform termination 3rd resistor (R3) second port of the 4th capacitor (C4), the other end, the 6th resistance (R6)
One termination 3rd resistor (R3), the anode of another termination the second diode (D2), the two or two pole of termination of the 7th resistance (R7)
Manage the cathode of (D2), other end ground connection；The line of control module described in one connecting with 3rd resistor (R3) first port connects
3 feet of left and right control switch, the line of the control module described in another connecting with 3rd resistor (R3) first port connect left and right
1 foot of control switch.
5. a kind of universe formula flasher driving circuit according to claim 4, it is characterised in that: the buzzer output
Module includes the 7th triode (Q7), the 8th capacitor (C8), the 20th resistance (R20), the 5th diode (D5), the 9th capacitor
(C9) and Text module, the Text module one terminate 2 feet of left and right control switch, the 7th triode (Q7) of another termination
Collector, the emitter ground connection of the 7th triode (Q7), base stage connects the first port of the 20th resistance (R20), described
The second port of the 20th resistance (R20) connect the cathode of the 5th diode (D5), the 8th capacitor one end (C8) ground connection,
The base stage of the 7th triode (Q7) of another termination, the 9th capacitor (C9) one terminate the anode of the 5th diode (D5), separately
One end ground connection.
6. a kind of universe formula flasher driving circuit according to claim 5, it is characterised in that: mould is compared in the output
Block further includes the tenth capacitor (C10), the 4th diode (D4) and the identical link block of 4 circuit structures, the connection mould
Block is respectively link block one, link block two, link block three and link block four, and the link block includes third
Diode (D3), the first triode (Q1), the 16th resistance (R16), the 17th resistance (R17) and the first metal-oxide-semiconductor (Q2), it is described
The cathode of third diode (D3) base stage of the first triode (Q1), the one or three pole are connect through the 16th resistance (R16)
The emitter ground connection of (Q1) is managed, the collector of the first triode (Q1) connects storage battery anode, while first through the 17th resistance (R17)
The collector of triode (Q1) connects the grid of the first metal-oxide-semiconductor (Q2), wherein
The drain electrode of the first metal-oxide-semiconductor (Q2) of link block one is followed by storage battery anode, the first MOS by the 21st resistance (RX1)
The source electrode of pipe (Q2) is connect after connecting with right rear light with right indicating lamp；
The drain electrode of the first metal-oxide-semiconductor (Q2) of link block two is followed by storage battery anode, the first MOS by the 21st resistance (RX1)
The source electrode of pipe (Q2) is connect after connecting with left rear light with left indicator light；
The source electrode of the first metal-oxide-semiconductor (Q2) of link block three is followed by storage battery anode, the first MOS by the 21st resistance (RX1)
The drain electrode of pipe (Q2) connects right headlight respectively and connects with right indicating lamp；
The source electrode of the first metal-oxide-semiconductor (Q2) of link block four is followed by storage battery anode, the first MOS by the 21st resistance (RX1)
The drain electrode of pipe (Q2) connects left front lamp respectively and connects with left indicator light；
Third diode (D3) anode of the link block one passes through after being connected with the third diode (D3) of link block three anode
Tenth capacitor (C10) is grounded afterwards, while connecing the anode of the 4th diode (D4), and the cathode of the 4th diode (D4) connects the 20th electricity
Hinder the second port of (R20).
7. a kind of universe formula flasher driving circuit according to claim 6, it is characterised in that: the left and right control is opened
The electric wire that different colours can be used in the connecting line of pass, left front lamp, right headlight, left rear light and right rear light is attached.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811073693.1A CN108944653B (en) | 2018-09-14 | Global type flash drive circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811073693.1A CN108944653B (en) | 2018-09-14 | Global type flash drive circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108944653A true CN108944653A (en) | 2018-12-07 |
| CN108944653B CN108944653B (en) | 2024-05-14 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109878410A (en) * | 2019-04-12 | 2019-06-14 | 福建船政交通职业学院 | A kind of rainfall detection multi gear switching system of vane type flasher |
| CN110682859A (en) * | 2019-09-25 | 2020-01-14 | 恒大新能源汽车科技(广东)有限公司 | Driving mode prompting method, storage medium, electronic equipment and vehicle |
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Cited By (3)
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|---|---|---|---|---|
| CN109878410A (en) * | 2019-04-12 | 2019-06-14 | 福建船政交通职业学院 | A kind of rainfall detection multi gear switching system of vane type flasher |
| CN109878410B (en) * | 2019-04-12 | 2023-04-07 | 福建船政交通职业学院 | Rainfall detection multi-gear switching system of wing-type flasher |
| CN110682859A (en) * | 2019-09-25 | 2020-01-14 | 恒大新能源汽车科技(广东)有限公司 | Driving mode prompting method, storage medium, electronic equipment and vehicle |
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