CN111417232A - AC-DC power supply driving circuit for new energy automobile illumination and color temperature adjusting method - Google Patents
AC-DC power supply driving circuit for new energy automobile illumination and color temperature adjusting method Download PDFInfo
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- CN111417232A CN111417232A CN202010250812.7A CN202010250812A CN111417232A CN 111417232 A CN111417232 A CN 111417232A CN 202010250812 A CN202010250812 A CN 202010250812A CN 111417232 A CN111417232 A CN 111417232A
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Abstract
The invention discloses a new energy automobile lighting AC-DC power supply driving circuit and a lamp color temperature adjusting method, which comprises an AC-DC voltage reduction module, a DC power supply filtering module, a current adjusting module, a voltage division and stabilization module, a data feedback restoration module and a L ED parallel module, wherein a capacitor C1 in the AC-DC voltage reduction module stores input DC, a resistor R1 and a capacitor C1 are connected in parallel to absorb stored electric energy and prevent discharge current from being overlarge, a capacitor C2 and a capacitor C3 in the DC power supply filtering module are connected in series to increase a withstand voltage value, an inductor L carries out filtering processing on a waveband peak value generated by an operational amplifier U2, a plurality of groups of variable resistors are adopted in the current adjusting module to adjust input current to meet different output current requirements, a one-way controllable silicon U6 in the voltage division and stabilization module is connected by obtaining an RV4 to adjust an output value, a resistor R16 and a resistor R17 in the data feedback restoration module are connected in parallel to inhibit temperature drift of resistors, and an independent operation mode is not influenced by each other in the.
Description
Technical Field
The invention relates to the technical field of lighting equipment, in particular to an AC-DC power supply driving circuit for new energy automobile lighting and a color temperature adjusting method.
Background
The lighting equipment is particularly a new energy automobile lighting alternating current-direct current conversion drive, a lighting equipment driving circuit converts power supply into specific voltage and current for driving the lighting equipment to run, and under the traditional condition, the input of the lighting circuit driving power supply comprises high-voltage power frequency alternating current, low-voltage direct current, high-voltage direct current and low-voltage high-frequency alternating current.
The interior lighting and the exterior lighting of the new energy automobile not only provide local lighting effects for people, but also ensure the safety of traveling vehicles.
The reason for influencing the output direct current in the actual alternating current-direct current voltage conversion of new energy automobile illumination is represented by unstable conversion data, so that the bright comfort of illumination equipment is influenced, and the resistance value and the large current cannot be achieved; when actual alternating current is converted into direct current, a high current phenomenon of a certain frequency band occurs, and the circuit voltage cannot be detected constantly by the imagination, so that the service life of the lighting equipment is further shortened; can aggravate operational amplifier operating speed when improving lighting apparatus comfort level, and then self can't filter more peak parameter, cause the phenomenon that the flicker appears in long-time operation, adopt single regulation mode at traditional current regulation output current value, just so can't satisfy a plurality of output current's demand.
Disclosure of Invention
The purpose of the invention is as follows: the AC-DC power supply driving circuit for the new energy automobile illumination is provided to solve the problems.
The technical scheme is as follows: a new energy automobile lighting AC-DC power supply driving circuit comprises:
the AC-DC voltage reduction module is used for converting input alternating current into direct current and then degrading discharge current by the resistor R1;
the direct-current power supply filtering module is used for carrying out filtering decomposition on the obtained direct-current power supply and then improving the withstand voltage value through a capacitor;
the current adjusting module is used for adjusting the current filtered by the direct-current power supply according to different output values;
the voltage dividing and stabilizing module is used for performing voltage stabilizing treatment on the converted direct-current voltage through a voltage stabilizer U3 and adjusting the output voltage value through a variable resistor RV 4;
the data feedback restoration module is used for restoring the transmission data of the damaged electric signals and inhibiting the temperature drift phenomenon of the resistor;
the L ED parallel module is used for forming a plurality of groups of L ED parallel modules which operate independently and do not influence the lighting circuit module.
According to one aspect of the invention, the capacitor C1 in the AC-DC voltage reduction module stores the input direct current, and the resistor R1 and the capacitor C1 are connected in parallel to absorb the stored electric energy so as to prevent the discharge current from being too large;
a capacitor C2 and a capacitor C3 in the direct-current power supply filtering module are connected in series to increase the withstand voltage value, and an inductor L2 carries out filtering processing on a wave band peak value generated by an operational amplifier U2;
a plurality of groups of variable resistors are adopted in the current adjusting module to adjust the input current to meet different output current requirements;
the one-way silicon controlled rectifier U6 in the voltage dividing and stabilizing module is conducted by obtaining the output value regulated by the resistor RV 4;
the resistor R16 and the resistor R17 in the data feedback restoration module are connected in parallel to inhibit the temperature drift of the resistor;
and the L ED parallel modules adopt independent operation modes without influencing each other.
According to one aspect of the invention, the power supply adjustment module comprises a color temperature adjustment module, wherein the color temperature adjustment module comprises a switch SB1, a resistor R1, a triode Q1, a triode Q2, a diode D1, a capacitor C1, a triode Q3, a variable resistor RV1, a capacitor C1, a white light module 1 ED1 and a warm light module 1 ED1, one end of the switch SB1 is connected with an input direct current INDC, the other end of the switch SB1 is connected with one end of the resistor R1, a triode Q1 end and a triode Q1 collector end, the other end of the resistor R1 is connected with a base electrode terminal of the triode Q1, a collector terminal of the transistor Q1, one end of the capacitor C1 and a cathode terminal of the diode D1, the anode terminal of the diode D1 is connected with the anode terminal of the triode C1, one end of the capacitor C1, one end of the cathode terminal of the transistor C1, the cathode terminal of the transistor D1 is connected with the variable resistor D1, the anode terminal of the triode Q1, the variable resistor D1, the anode terminal of the emitter terminal pin C1 and the cathode pin of the variable resistor D1 are connected with the anode terminal of the transistor D1, the variable resistor D1, the anode terminal of the transistor C1, the anode terminal of the transistor C1, the variable resistor D1, the anode terminal of the variable resistor D1 and the anode terminal of.
According to one aspect of the invention, the AC-DC voltage reduction module comprises a fuse FU1, a transformer U1, a voltage stabilizing diode D1, a voltage stabilizing diode D2, a capacitor C1 and a resistor R2, wherein one end of the fuse FU1 is connected with an alternating current live wire end INAC L, the other end of the fuse FU1 is connected with a pin 1 of a transformer U1, a pin 2 of the transformer U1 is connected with an input alternating current neutral wire end INACN, a pin 3 of the transformer U1 is connected with a positive end of a voltage stabilizing diode D1, a negative end of the voltage stabilizing diode D1 is connected with one end of a capacitor C1 and one end of a resistor R1, the other end of the resistor R1 is connected with the other end of a capacitor C1, a negative end of a diode D2 and a ground wire GND, and a positive end of the diode.
According to one aspect of the invention, the direct-current power supply filtering module comprises a capacitor C2, a capacitor C3, an inductor L1, an inductor L, an operational amplifier U2 and a resistor R2, wherein one end of the capacitor C2 is respectively connected with a negative electrode end of a voltage stabilizing diode D1, one end of the capacitor C1 and one end of the resistor R1, the other end of the capacitor C2 is respectively connected with one end of a capacitor C3 and one end of the inductor L, the other end of the inductor L is respectively connected with a pin 2 and a pin 6 of an operational amplifier U2, one end of the resistor R2 and a ground wire GND, the other end of the capacitor C3 is respectively connected with one end of an inductor L and a pin 3 of the operational amplifier U2, a pin 7 of the operational amplifier U2 is connected with a power supply +6V, and a pin 4 of the operational amplifier U2 is.
According to one aspect of the invention, the current adjusting module comprises a resistor R3, a triode Q1, a resistor R4, a diode D3, a resistor R5, a triode Q2, a resistor R6, a diode D4, a variable resistor RV2, a variable resistor RV1, a triode Q3, and a variable resistor RV3, wherein one end of the resistor R3 is connected with a base terminal of the triode Q1 and the other end of the resistor R2 respectively; the other end of the resistor R3 is respectively connected with one end of a resistor R4, one end of a resistor R6, a pin 1 of a variable resistor RV1 and a pin 1 of the variable resistor RV 3; the other end of the resistor R4 is respectively connected with a collector terminal of a triode Q1 and a cathode terminal of a diode D3; the positive end of the diode D3 is respectively connected with one end of a resistor R5 and the base end of a triode Q2; the other end of the resistor R5 is respectively connected with an emitter terminal of a triode Q1, an emitter terminal of a triode Q2, a cathode terminal of a diode D4 and a ground wire GND; the positive end of the diode D4 is connected with a pin 2 of a variable resistor RV 2; a collector terminal of the triode Q2 and the other end of the resistor R6 are connected with a pin 1 of a variable resistor RV2 and are respectively connected with a pin 2 and a pin 3 of a variable resistor RV 1; pin 3 of the variable resistor RV2 is connected with a base terminal of a triode Q3; the emitter terminal of the triode Q3 is connected with pin 2 and pin 3 of the variable resistor RV 3.
According to one aspect of the invention, the voltage dividing and stabilizing module comprises a voltage stabilizer U3, a resistor R7, a resistor R8, a capacitor C4, a trimming capacitor VC1, a one-way thyristor U6, a variable resistor RV4 and a diode D5, wherein a pin 1 of the voltage stabilizer U3 is connected with a collector terminal of a triode Q3; pin 2 of the voltage stabilizer U3 is respectively connected with one end of a trimming capacitor VC1, one end of a resistor R8 and one end of a capacitor C4; pin 3 of the voltage stabilizer U3 is connected with one end of a resistor R7; the other end of the resistor R7 is respectively connected with the positive end of a diode D5, the other end of the resistor R8 and a pin 2 of a variable resistor RV 4; pin 1 of the variable resistor RV4 is connected with the negative end of a one-way thyristor U6; pin 3 of the variable resistor RV4 is connected with pin 1 of a one-way thyristor U6; the positive end of the diode U6 is connected with the other end of the trimming capacitor VC 1; the other end of the capacitor C4 is connected with the ground line GND.
According to one aspect of the invention, the data feedback repairing module comprises a resistor R15, a photoelectric coupler U4, a resistor R14, a resistor R17, a resistor R16, a capacitor C5, a resistor R12, a diode D9, a resistor R13 and a triode Q4, wherein one end of the resistor R15 is respectively connected with a pin 1 and a pin 2 of the photoelectric coupler U4, a positive terminal of the capacitor C5, a negative terminal of the diode D9 and one end of the resistor R13; the other end of the resistor R15 is respectively connected with a pin 1 of a variable resistor RV4, a negative end of a one-way thyristor U6 and a ground wire GND; one end of the resistor R14 is connected with a pin 4 of a photoelectric coupler U4; the other end of the resistor R14 is connected with the cathode end of the diode D9; the negative end of the capacitor C5 is respectively connected with one end of a resistor R16 and one end of a resistor R17; the other end of the resistor R16 is respectively connected with the other end of the resistor R17, the collector end of the triode Q4 and a pin 3 of a photoelectric coupler U4; the positive end of the diode D9 is respectively connected with the base end of the triode Q4 and one end of the resistor R12; the other end of the resistor R12 is connected with +5V of a power supply; the other end of the resistor R13 is connected with the emitter terminal of the triode Q4.
According to one aspect of the invention, the L ED parallel module comprises a resistor R9, a resistor R10, a resistor R11, a diode D6, a diode D7, a diode D8, a lamp L ED1, a lamp L ED2 and a lamp L ED3, wherein one end of the resistor R10 is connected with the positive pole end of the diode D7, the other end of the resistor R10 is respectively connected with one end of a resistor R9, one end of a resistor R11, the other end of the resistor R12 and a power supply +5V, the other end of the resistor R9 is connected with the positive pole end of the diode D6, the other end of the resistor R11 is connected with the positive pole end of the diode D8, the negative pole end of the diode D6 is connected with the positive pole end of the lamp 6 ED 6, the negative pole end of the lamp 6 ED 6 is respectively connected with the negative pole end of the lamp 6 ED 6, the negative pole end of the lamp 6 ED 6 is connected with the diode D6 ED 6.
According to one aspect of the invention, the capacitors C5 are electrolytic capacitors, the diodes D3, D4 and D9 are voltage stabilizing diodes, the triodes Q1, Q2 and Q4 are NPNs, the triodes Q3 are PNPs, and the voltage stabilizer U3 is L M317.
According to one aspect of the invention, the lamp color temperature adjusting method of the AC-DC power supply driving circuit for new energy automobile illumination is characterized in that the color temperature adjusting module changes output power through a voltage value output by the DC power supply filtering module, so that the color temperature of the lamp is adjusted; the method comprises the following specific steps:
and 2, when the resistance value of the variable resistor RV1 or the variable resistor RV2 is lower than that of the triode Q3, the pin 2 of the variable resistor RV2 or the pin 3 of the variable resistor RV1 can be moved to change the output current value, so that the illumination brightness of the lamp is changed, the color temperature is adjusted, and the capacitor C2 and the capacitor C3 optimize the output current respectively to filter unstable currents affecting the stroboflash of the white light module L ED and the stroboflash of the warm light module L ED 3.
According to one aspect of the invention, the color temperature adjusting method for the new energy automobile lighting AC-DC power supply driving circuit is characterized in that the models of the triode Q1, the triode Q2 and the triode Q3 are NPN; the diode D1 is a zener diode.
Has the advantages that: the invention designs a new energy automobile lighting AC-DC power supply driving circuit and a color temperature adjusting method,
the reason for influencing the output direct current in the alternating current-direct current voltage conversion is that the converted data are unstable, and the light comfort of the lighting equipment is further influenced, the converted direct current is stored by using a capacitor C1 after the alternating current-direct current conversion, the electric energy is absorbed and controlled by connecting a resistor R1 and a capacitor C1 in parallel, so that the phenomenon of high voltage in a certain frequency band when the alternating current is converted into the direct current is prevented, the service life of the lighting equipment is further reduced, the withstand voltage value is increased by using a capacitor C2 and a capacitor C3 in series in a voltage output circuit, the influence of the high voltage is reduced, the band peak value generated by an operational amplifier U2 is filtered by using an inductor L2, so that the operational quality is improved, a single adjustment output mode is adopted in the traditional current adjustment output current value, the requirement of an output port is reduced, and different output currents are met by using a variable resistor RV1, a variable resistor RV2 and a variable resistor RV3 in a current adjustment module according to the input current values, so that the accuracy of the adjustment of.
Drawings
Fig. 1 is a block diagram of the present invention.
Fig. 2 is a distribution diagram of the driving circuit of the AC-DC power supply for automobile lighting of the present invention.
Fig. 3 is a circuit diagram of a current regulation module of the present invention.
Fig. 4 is a circuit diagram of a data feedback repair module of the present invention.
Fig. 5 is a graph of the warm and white luminous flux versus junction temperature curves of the present invention.
Fig. 6 is a circuit for adjusting the color temperature of a lamp according to the present invention.
Detailed Description
As shown in fig. 1, in this embodiment, a new energy automobile lighting AC-DC power supply driving circuit includes:
the AC-DC voltage reduction module is used for converting input alternating current into direct current and then degrading discharge current by the resistor R1;
the direct-current power supply filtering module is used for carrying out filtering decomposition on the obtained direct-current power supply and then improving the withstand voltage value through a capacitor;
the current adjusting module is used for adjusting the current filtered by the direct-current power supply according to different output values;
the voltage dividing and stabilizing module is used for performing voltage stabilizing treatment on the converted direct-current voltage through a voltage stabilizer U3 and adjusting the output voltage value through a variable resistor RV 4;
the data feedback restoration module is used for restoring the transmission data of the damaged electric signals and inhibiting the temperature drift phenomenon of the resistor;
the L ED parallel module is used for forming a plurality of groups of L ED parallel modules which operate independently and do not influence the lighting circuit module.
In a further embodiment, as shown in fig. 2, a capacitor C1 in the AC-DC voltage reduction module stores the input direct current, and a resistor R1 is connected in parallel with a capacitor C1 to absorb the stored electrical energy, so as to prevent the discharge current from being too large;
a capacitor C2 and a capacitor C3 in the direct-current power supply filtering module are connected in series to increase the withstand voltage value, and an inductor L2 carries out filtering processing on a wave band peak value generated by an operational amplifier U2;
a plurality of groups of variable resistors are adopted in the current adjusting module to adjust the input current to meet different output current requirements;
the one-way silicon controlled rectifier U6 in the voltage dividing and stabilizing module is conducted by obtaining the output value regulated by the resistor RV 4;
the resistor R16 and the resistor R17 in the data feedback restoration module are connected in parallel to inhibit the temperature drift of the resistor;
and the L ED parallel modules adopt independent operation modes without influencing each other.
In a further embodiment, as shown in fig. 6, the color temperature adjustment module includes a switch SB1, a resistor R1, a transistor Q1, a transistor Q2, a diode D1, a capacitor C1, a transistor Q3, a variable resistor RV1, a variable resistor RV2, a capacitor C2, a white light module L ED1, and a warm light module L ED 3.
In a further embodiment, the AC-DC buck module includes: fuse FU1, transformer U1, zener diode D1, zener diode D2, capacitor C1, resistance R2.
In a further embodiment, the dc power filtering module includes a capacitor C2, a capacitor C3, an inductor L1, an inductor L2, an operational amplifier U2, and a resistor R2.
In a further embodiment, the current adjustment module comprises: the circuit comprises a resistor R3, a triode Q1, a resistor R4, a diode D3, a resistor R5, a triode Q2, a resistor R6, a diode D4, a variable resistor RV2, a variable resistor RV1, a triode Q3 and a variable resistor RV 3.
In a further embodiment, the voltage division and stabilization module comprises: the voltage stabilizer U3, resistance R7, resistance R8, electric capacity C4, trimming electric capacity VC1, unidirectional silicon controlled rectifier U6, variable resistor RV4, diode D5.
In a further embodiment, the data feedback repair module comprises: the circuit comprises a resistor R15, a photoelectric coupler U4, a resistor R14, a resistor R17, a resistor R16, a capacitor C5, a resistor R12, a diode D9, a resistor R13 and a triode Q4.
In a further embodiment, one end of a switch SB1 in the color temperature adjustment module is connected to an input direct current (INDC), the other end of the switch SB1 is connected to one end of a resistor R1, a collector end of a transistor Q1, and a collector end of a transistor Q1, the other end of the resistor R1 is connected to a base end of the transistor Q1, a collector end of the transistor Q1, one end of a capacitor C1, and a cathode end of a diode D1, a positive end of the diode D1 is connected to the other end of the capacitor C1, one end of a white light module 1 ED, a cathode end of the warm light module 1 ED1, a cathode end of the capacitor C1, and a Ground (GND), the base end of the transistor Q1 is connected to an emitter end of the transistor Q1, the emitter end of the transistor Q1 is connected to a variable resistor RV1 pin 1 and a variable resistor RV1 pin 1, the variable resistor RV1 pin 3 is connected to the base end of the transistor Q1, the anode end of the variable resistor D1, the capacitor D1, and the anode end of the capacitor D1.
In a further embodiment, one end of a fuse FU1 in the AC-DC voltage reduction module is connected with an alternating current live wire end INAC L, the other end of the fuse FU1 is connected with a pin 1 of a transformer U1, a pin 2 of the transformer U1 is connected with an input alternating current neutral wire end INACN, a pin 3 of the transformer U1 is connected with a positive electrode end of a voltage stabilizing diode D1, a negative electrode end of the voltage stabilizing diode D1 is respectively connected with one end of a capacitor C1 and one end of a resistor R1, the other end of the resistor R1 is respectively connected with the other end of the capacitor C1, a negative electrode end of a diode D2 and a ground wire GND, and a positive electrode end of the diode D2 is.
In a further embodiment, one end of a capacitor C2 in the dc power supply filtering module is connected to a negative electrode terminal of a zener diode D1, one end of a capacitor C1, and one end of a resistor R1, the other end of a capacitor C2 is connected to one end of a capacitor C3 and one end of an inductor L, the other end of the inductor L is connected to a pin 2 and a pin 6 of an operational amplifier U2, one end of a resistor R2, and a ground GND, the other end of a capacitor C3 is connected to one end of an inductor L and a pin 3 of an operational amplifier U2, a pin 7 of an operational amplifier U2 is connected to a power supply +6V, and a pin 4 of the operational amplifier U2 is connected to the other end of an inductor L and the ground GND.
In a further embodiment, as shown in fig. 3, one end of the resistor R3 in the current adjustment module is respectively connected to the base terminal of the transistor Q1 and the other end of the resistor R2; the other end of the resistor R3 is respectively connected with one end of a resistor R4, one end of a resistor R6, a pin 1 of a variable resistor RV1 and a pin 1 of the variable resistor RV 3; the other end of the resistor R4 is respectively connected with a collector terminal of a triode Q1 and a cathode terminal of a diode D3; the positive end of the diode D3 is respectively connected with one end of a resistor R5 and the base end of a triode Q2; the other end of the resistor R5 is respectively connected with an emitter terminal of a triode Q1, an emitter terminal of a triode Q2, a cathode terminal of a diode D4 and a ground wire GND; the positive end of the diode D4 is connected with a pin 2 of a variable resistor RV 2; a collector terminal of the triode Q2 and the other end of the resistor R6 are connected with a pin 1 of a variable resistor RV2 and are respectively connected with a pin 2 and a pin 3 of a variable resistor RV 1; pin 3 of the variable resistor RV2 is connected with a base terminal of a triode Q3; the emitter terminal of the triode Q3 is connected with pin 2 and pin 3 of the variable resistor RV 3.
In a further embodiment, as shown in fig. 4, pin 1 of the voltage regulator U3 in the voltage dividing and stabilizing module is connected to the collector terminal of the transistor Q3; pin 2 of the voltage stabilizer U3 is respectively connected with one end of a trimming capacitor VC1, one end of a resistor R8 and one end of a capacitor C4; pin 3 of the voltage stabilizer U3 is connected with one end of a resistor R7; the other end of the resistor R7 is respectively connected with the positive end of a diode D5, the other end of the resistor R8 and a pin 2 of a variable resistor RV 4; pin 1 of the variable resistor RV4 is connected with the negative end of a one-way thyristor U6; pin 3 of the variable resistor RV4 is connected with pin 1 of a one-way thyristor U6; the positive end of the diode U6 is connected with the other end of the trimming capacitor VC 1; the other end of the capacitor C4 is connected with the ground line GND.
In a further embodiment, one end of the resistor R15 in the data feedback repair module is respectively connected to pin 1 and pin 2 of the photocoupler U4, the positive terminal of the capacitor C5, the negative terminal of the diode D9, and one end of the resistor R13; the other end of the resistor R15 is respectively connected with a pin 1 of a variable resistor RV4, a negative end of a one-way thyristor U6 and a ground wire GND; one end of the resistor R14 is connected with a pin 4 of a photoelectric coupler U4; the other end of the resistor R14 is connected with the cathode end of the diode D9; the negative end of the capacitor C5 is respectively connected with one end of a resistor R16 and one end of a resistor R17; the other end of the resistor R16 is respectively connected with the other end of the resistor R17, the collector end of the triode Q4 and a pin 3 of a photoelectric coupler U4; the positive end of the diode D9 is respectively connected with the base end of the triode Q4 and one end of the resistor R12; the other end of the resistor R12 is connected with +5V of a power supply; the other end of the resistor R13 is connected with the emitter terminal of the triode Q4.
In a further embodiment, one end of the resistor R10 in the L ED parallel module is connected with the positive electrode end of the diode D7, the other end of the resistor R10 is respectively connected with one end of the resistor R9, one end of the resistor R11, the other end of the resistor R12 and a power supply +5V, the other end of the resistor R9 is connected with the positive electrode end of the diode D6, the other end of the resistor R11 is connected with the positive electrode end of the diode D8, the negative electrode end of the diode D6 is connected with the positive electrode end of the lamp L ED1, the negative electrode end of the lamp L ED1 is respectively connected with the negative electrode end of the lamp L ED2, the negative electrode end of the lamp L ED3 and the ground wire GND, the positive electrode end of the lamp L ED2 is connected with the negative electrode end of the diode D2.
In a further embodiment, the types of the capacitors C5 are electrolytic capacitors, the types of the diodes D3, D4 and D9 are voltage stabilizing diodes, the types of the triode Q1, the triode Q2 and the triode Q4 are NPN, the types of the triode Q3 are PNP, and the type of the voltage stabilizer U3 is L M317.
In a further embodiment, as shown in fig. 5, the white light and the warm light have equal values of luminous flux percentages at the same junction temperature, and different luminous flux percentages are formed as a function of the junction temperature value.
In a further embodiment, a lamp color temperature adjusting method of a new energy automobile lighting AC-DC power supply driving circuit is characterized in that a color temperature adjusting module changes output power through a voltage value output by a direct-current power supply filtering module, so that the color temperature of a lamp is adjusted; the method comprises the following specific steps:
and 2, when the resistance value of the variable resistor RV1 or the variable resistor RV2 is lower than that of the triode Q3, the pin 2 of the variable resistor RV2 or the pin 3 of the variable resistor RV1 can be moved to change the output current value, so that the illumination brightness of the lamp is changed, the color temperature is adjusted, and the capacitor C2 and the capacitor C3 optimize the output current respectively to filter unstable currents affecting the stroboflash of the white light module L ED and the stroboflash of the warm light module L ED 3.
In a further embodiment, the color temperature adjusting method for the new energy automobile lighting AC-DC power supply driving circuit is characterized in that the types of the transistor Q1, the transistor Q2 and the transistor Q3 are all NPN; the diode D1 is a zener diode.
In a word, the circuit has the advantages that a fuse FU1 passes through a current value below a maximum current set by the circuit, a fuse wire can be fused to cut off current transmission when the current value is higher than a set parameter, a voltage stabilizing diode D1 and a voltage stabilizing diode D2 regulate the converted voltage, the voltage is kept stable when the voltage is transmitted to other modules, an input direct current is stored by a capacitor C1, a resistor R1 and a capacitor C1 are connected in parallel to absorb and store electric energy to prevent discharge current from being overlarge, a voltage withstanding value is increased by connecting the capacitor C2 and the capacitor C2 in series, a wave band peak value generated by an operational amplifier U2 is filtered by the inductor 2 and the resistor R2 to obtain a total voltage for decomposition, the required voltage values of different paths are adjusted by the resistor R2 and the resistor R2, the conduction path of the input current is controlled by the triode Q2 and the diode D2, the unidirectional output direction of the voltage is limited by the diode D2 and the diode D2, the unidirectional output direction of the voltage is controlled by a variable resistor RV2, the variable resistor RV2 and the resistor R2 to achieve the effect of preventing the mutual parallel connection of the mutual influence of the mutual change of the mutual influence of the output of a resistor R2 and the mutual resistor R2 when the resistor R2 and the resistor R2, the variable resistor R2 is used for controlling the mutual influence of the mutual parallel connection of the mutual input of the variable resistor output of the variable resistor RV and the variable resistor R2, the variable resistor to the variable resistor for the mutual input of the variable resistor R2, the variable resistor.
It should be noted that the various features described in the above embodiments may be combined in any suitable manner without departing from the scope of the invention. The invention is not described in detail in order to avoid unnecessary repetition.
Claims (10)
1. The new energy automobile lighting AC-DC power supply driving circuit is characterized by comprising the following modules:
the AC-DC voltage reduction module is used for converting input alternating current into direct current and then degrading discharge current by the resistor R1;
the direct-current power supply filtering module is used for carrying out filtering decomposition on the obtained direct-current power supply and then improving the withstand voltage value through a capacitor;
the current adjusting module is used for adjusting the current filtered by the direct-current power supply according to different output values;
the voltage dividing and stabilizing module is used for performing voltage stabilizing treatment on the converted direct-current voltage through a voltage stabilizer U3 and adjusting the output voltage value through a variable resistor RV 4;
the data feedback restoration module is used for restoring the transmission data of the damaged electric signals and inhibiting the temperature drift phenomenon of the resistor;
the L ED parallel module is used for forming a plurality of groups of L ED parallel modules which operate independently and do not influence the lighting circuit module.
2. The AC-DC power supply driving circuit for the new energy automobile lighting is characterized in that a capacitor C1 in the AC-DC voltage reduction module stores input direct current, and a resistor R1 is connected with a capacitor C1 in parallel to absorb stored electric energy so as to prevent excessive discharge current;
a capacitor C2 and a capacitor C3 in the direct-current power supply filtering module are connected in series to increase the withstand voltage value, and an inductor L2 carries out filtering processing on a wave band peak value generated by an operational amplifier U2;
a plurality of groups of variable resistors are adopted in the current adjusting module to adjust the input current to meet different output current requirements;
the one-way silicon controlled rectifier U6 in the voltage dividing and stabilizing module is conducted by obtaining the output value regulated by the resistor RV 4;
the resistor R16 and the resistor R17 in the data feedback restoration module are connected in parallel to inhibit the temperature drift of the resistor;
and the L ED parallel modules adopt independent operation modes without influencing each other.
3. The AC-DC power supply driving circuit for the new energy automobile lighting is characterized in that the power supply adjusting module comprises a color temperature adjusting module, wherein the color temperature adjusting module comprises a switch SB1, a resistor R1, a triode Q1, a triode Q2, a diode D1, a capacitor C1, a triode Q3, a variable resistor RV1, a capacitor C1, a white light lamp module 1 ED1 and a warm light lamp module 1 ED1, one end of the switch SB1 is connected with an input direct current INDC, the other end of the switch SB1 is connected with one end of the resistor R1, one end of a triode Q1 collector and a collector of the triode Q1, the other end of the resistor R1 is connected with a base terminal of a triode Q1, one end of the capacitor C1, the negative terminal of a diode D1, the positive terminal of the diode D1 is connected with the other end of the resistor C1, one end of the capacitor C1, one end of the white light lamp module 1, the cathode lead of the variable resistor ED1, the emitter Q1, the variable resistor ED1 is connected with the base terminal of the triode C1, the anode terminal 1, the variable resistor D1, the anode terminal of the variable resistor D1, the cathode terminal of the variable resistor C1, the variable resistor D1, the anode terminal of the cathode terminal 1, the variable resistor D1 is connected with the anode terminal of the variable resistor C1, the anode terminal of the variable resistor.
4. The AC-DC power supply driving circuit for the new energy automobile lighting is characterized in that the AC-DC voltage reduction module comprises a fuse FU1, a transformer U1, a voltage stabilizing diode D1, a voltage stabilizing diode D2, a capacitor C1 and a resistor R2, wherein one end of the fuse FU1 is connected with an alternating current live wire end INAC L, the other end of the fuse FU1 is connected with a transformer U1 pin 1, a transformer U1 pin 2 is connected with an input alternating current live wire end INACN, a transformer U1 pin 3 is connected with a positive end of a voltage stabilizing diode D1, a negative end of the voltage stabilizing diode D1 is connected with one end of a capacitor C1 and one end of a resistor R1, the other end of the resistor R1 is connected with the other end of a capacitor C1, a negative end of a diode D2 and a ground wire GND, and a positive end of the diode D2 is connected with a pin 4 of a transformer U.
5. The AC-DC power supply driving circuit for the new energy automobile illumination is characterized in that the DC power supply filtering module comprises a capacitor C2, a capacitor C3, an inductor L1, an inductor L2, an operational amplifier U2 and a resistor R2, wherein one end of the capacitor C2 is connected with a negative electrode end of a voltage stabilizing diode D1, one end of the capacitor C1 and one end of a resistor R1 respectively, the other end of the capacitor C2 is connected with one end of a capacitor C3 and one end of an inductor L1 respectively, the other end of the inductor L1 is connected with a pin 2 and a pin 6 of an operational amplifier U2, one end of a resistor R2 and a ground wire GND respectively, the other end of the capacitor C3 is connected with one end of an inductor L2 and a pin 3 of an operational amplifier U2 respectively, a pin 7 of the operational amplifier U2 is connected with a power supply +6V, and a pin 4 of the operational amplifier U2 is connected with the other end of the inductor L2.
6. The AC-DC power supply driving circuit for the new energy automobile lighting is characterized in that the current adjusting module comprises a resistor R3, a triode Q1, a resistor R4, a diode D3, a resistor R5, a triode Q2, a resistor R6, a diode D4, a variable resistor RV2, a variable resistor RV1, a triode Q3 and a variable resistor RV3, wherein one end of the resistor R3 is connected with the base terminal of the triode Q1 and the other end of the resistor R2 respectively; the other end of the resistor R3 is respectively connected with one end of a resistor R4, one end of a resistor R6, a pin 1 of a variable resistor RV1 and a pin 1 of the variable resistor RV 3; the other end of the resistor R4 is respectively connected with a collector terminal of a triode Q1 and a cathode terminal of a diode D3; the positive end of the diode D3 is respectively connected with one end of a resistor R5 and the base end of a triode Q2; the other end of the resistor R5 is respectively connected with an emitter terminal of a triode Q1, an emitter terminal of a triode Q2, a cathode terminal of a diode D4 and a ground wire GND; the positive end of the diode D4 is connected with a pin 2 of a variable resistor RV 2; a collector terminal of the triode Q2 and the other end of the resistor R6 are connected with a pin 1 of a variable resistor RV2 and are respectively connected with a pin 2 and a pin 3 of a variable resistor RV 1; pin 3 of the variable resistor RV2 is connected with a base terminal of a triode Q3; the emitter terminal of the triode Q3 is connected with pin 2 and pin 3 of the variable resistor RV 3.
7. The AC-DC power supply driving circuit for the new energy automobile lighting is characterized in that the voltage dividing and stabilizing module comprises a voltage stabilizer U3, a resistor R7, a resistor R8, a capacitor C4, a trimming capacitor VC1, a one-way thyristor U6, a variable resistor RV4 and a diode D5, wherein a pin 1 of the voltage stabilizer U3 is connected with a collector terminal of a triode Q3; pin 2 of the voltage stabilizer U3 is respectively connected with one end of a trimming capacitor VC1, one end of a resistor R8 and one end of a capacitor C4; pin 3 of the voltage stabilizer U3 is connected with one end of a resistor R7; the other end of the resistor R7 is respectively connected with the positive end of a diode D5, the other end of the resistor R8 and a pin 2 of a variable resistor RV 4; pin 1 of the variable resistor RV4 is connected with the negative end of a one-way thyristor U6; pin 3 of the variable resistor RV4 is connected with pin 1 of a one-way thyristor U6; the positive end of the diode U6 is connected with the other end of the trimming capacitor VC 1; the other end of the capacitor C4 is connected with the ground line GND.
8. The AC-DC power supply driving circuit for the new energy automobile lighting is characterized in that the data feedback restoration module comprises a resistor R15, a photocoupler U4, a resistor R14, a resistor R17, a resistor R16, a capacitor C5, a resistor R12, a diode D9, a resistor R13 and a triode Q4, wherein one end of the resistor R15 is connected with a pin 1 and a pin 2 of the photocoupler U4, a positive end of the capacitor C5, a negative end of the diode D9 and one end of the resistor R13 respectively; the other end of the resistor R15 is respectively connected with a pin 1 of a variable resistor RV4, a negative end of a one-way thyristor U6 and a ground wire GND; one end of the resistor R14 is connected with a pin 4 of a photoelectric coupler U4; the other end of the resistor R14 is connected with the cathode end of the diode D9; the negative end of the capacitor C5 is respectively connected with one end of a resistor R16 and one end of a resistor R17; the other end of the resistor R16 is respectively connected with the other end of the resistor R17, the collector end of the triode Q4 and a pin 3 of a photoelectric coupler U4; the positive end of the diode D9 is respectively connected with the base end of the triode Q4 and one end of the resistor R12; the other end of the resistor R12 is connected with +5V of a power supply; the other end of the resistor R13 is connected with the emitter terminal of the triode Q4.
9. The AC-DC power supply driving circuit for the new energy automobile lighting according to claim 1, wherein the L ED parallel module comprises a resistor R9, a resistor R10, a resistor R11, a diode D6, a diode D7, a diode D8, a lamp L ED1, a lamp L ED2 and a lamp L ED3, one end of the resistor R10 is connected with a positive electrode end of a diode D7, the other end of the resistor R10 is respectively connected with one end of a resistor R9, one end of a resistor R11, the other end of a resistor R12 and a power supply +5V, the other end of the resistor R9 is connected with a positive electrode end of a diode D6, the other end of the resistor R11 is connected with a positive electrode end of a diode D8, a negative electrode end of the diode D6 is connected with a positive electrode end of a lamp 6, a negative electrode end of the lamp 6 ED 6 is connected with a negative electrode end of the diode ED 6, and a positive electrode end of the lamp 6 ED 6 is connected with a diode ED 6.
10. The lamp color temperature adjusting method for the AC-DC power supply driving circuit as claimed in claim 3, wherein the color temperature adjusting module changes the output power by the voltage value outputted from the DC power supply filtering module, so as to adjust the color temperature of the lamp; the method comprises the following specific steps:
step 1, a switch SB1 is closed to obtain voltage from a direct current power supply filter module, so that the obtained input direct current voltage INDC is transmitted to a color temperature adjusting operation device, a resistor R1 charges a capacitor C1 by reducing the input direct current voltage, a triode Q3 generates voltage deviation when controlling voltage output, the capacitor C1 further releases stored electric energy, the voltage required by the start of a triode Q3 is maintained, a triode Q1 and a triode Q2 are connected in series to form a composite tube, the output power range of a control circuit is expanded, adjustment of different output powers is met, and a diode D1 controls the charging and discharging output directions of a capacitor C1; the triode Q13, the variable resistor RV1 and the variable resistor RV2 form three groups of circuits for controlling the lighting brightness of the lamp; when the resistance values of the variable resistor RV2 and the variable resistor RV1 are higher than the conduction voltage of the collector terminal of the triode Q3, the current enables the lamp to be lightened through the triode Q3, and then normal light is presented;
and 2, when the resistance value of the variable resistor RV1 or the variable resistor RV2 is lower than that of the triode Q3, the pin 2 of the variable resistor RV2 or the pin 3 of the variable resistor RV1 can be moved to change the output current value, so that the illumination brightness of the lamp is changed, the color temperature is adjusted, and the capacitor C2 and the capacitor C3 optimize the output current respectively to filter unstable currents affecting the stroboflash of the white light module L ED and the stroboflash of the warm light module L ED 3.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010250812.7A CN111417232A (en) | 2020-04-01 | 2020-04-01 | AC-DC power supply driving circuit for new energy automobile illumination and color temperature adjusting method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010250812.7A CN111417232A (en) | 2020-04-01 | 2020-04-01 | AC-DC power supply driving circuit for new energy automobile illumination and color temperature adjusting method |
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| CN111417232A true CN111417232A (en) | 2020-07-14 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112445261A (en) * | 2021-01-28 | 2021-03-05 | 华中科技大学 | Passive active linear current regulation and control network for gyrotron terahertz source |
| CN114302532A (en) * | 2021-12-29 | 2022-04-08 | 江苏众辉电子科技有限公司 | LED stroboscopic drive chip |
-
2020
- 2020-04-01 CN CN202010250812.7A patent/CN111417232A/en not_active Withdrawn
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112445261A (en) * | 2021-01-28 | 2021-03-05 | 华中科技大学 | Passive active linear current regulation and control network for gyrotron terahertz source |
| CN112445261B (en) * | 2021-01-28 | 2021-04-30 | 华中科技大学 | Passive active linear current regulation and control network for gyrotron terahertz source |
| CN114302532A (en) * | 2021-12-29 | 2022-04-08 | 江苏众辉电子科技有限公司 | LED stroboscopic drive chip |
| CN114302532B (en) * | 2021-12-29 | 2024-01-30 | 江苏众辉电子科技有限公司 | LED stroboscopic driving chip |
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