CN215187489U - Polarity-free double-color LED decoding car lamp circuit integrating daytime running lamp and steering lamp - Google Patents

Polarity-free double-color LED decoding car lamp circuit integrating daytime running lamp and steering lamp Download PDF

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CN215187489U
CN215187489U CN202120694893.XU CN202120694893U CN215187489U CN 215187489 U CN215187489 U CN 215187489U CN 202120694893 U CN202120694893 U CN 202120694893U CN 215187489 U CN215187489 U CN 215187489U
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lamp
steering
yellow
module
daytime running
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陈松
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Dongguan Zhaoliang Photoelectric Co ltd
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Dongguan Zhaoliang Photoelectric Co ltd
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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]
    • 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
    • Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection

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Abstract

The utility model relates to a decode the car light circuit field, indicate especially a day portable lighter and the integrative nonpolarity double-colored LED of indicator decode car light circuit. The LED lamp is driven by adopting the high-power daytime running white lamp voltage reduction constant current module and the steering yellow lamp voltage reduction constant current driving module, and meanwhile, different powers can be set in the yellow lamp voltage reduction constant current driving module by replacing and adjusting the constant current sampling resistor to adapt to different decoding vehicle types, external resistor decoding is not needed, the applicability is wider, and the use is more convenient; in addition, in the application, the non-polarity can be realized through the input rectifier bridge stack module, so that the situation that the lamp is not turned on after being inserted reversely or the fuse of the automobile is burnt out is avoided, and the damage to the original automobile is avoided. The LED vehicle lamp has the advantages of wider applicability, convenience in use and no damage to the original vehicle, and the problems that an existing LED vehicle lamp needs to be externally connected with a decoder and the like are solved.

Description

Polarity-free double-color LED decoding car lamp circuit integrating daytime running lamp and steering lamp
Technical Field
The utility model relates to a decode the car light circuit field, indicate especially a day portable lighter and the integrative nonpolarity double-colored LED of indicator decode car light circuit.
Background
Along with the development of automotive electronics, some new cars all have driving computer and agreement, and former car halogen lamp repacks into the LED lamp, then needs the LED car light to keep unanimous with former car agreement, otherwise can lead to driving instrument to show the trouble, so need decode and just can use, and the car light repacks into the LED car light at present and has following three kinds of decoding modes in common:
1. and (3) resistance decoding: the decoding method is that ohm law R (resistance) is equal to U (voltage)/I (current), and the defects are that the resistance is large in heat productivity and short in service life, and the external resistor is inconvenient to install;
2. and (4) adding a capacitor for decoding: the capacitor needs to distinguish the positive electrode and the negative electrode, and only aims at the vehicle types of pulse detection and waveform detection, so that the limitation is small;
3. modifying the CAN protocol of the automobile computer: the decoding is realized by changing the automobile coding through special decoding software.
Disclosure of Invention
In order to solve the problems, the utility model provides a polarity-free double-color LED decoding car lamp circuit integrating a daytime running light and a steering light, which realizes decoding without an external resistor, has wider applicability and more convenient use; the non-polarity can be realized by the input rectifier bridge stack module, so that the situation that the lamp is not turned on after being inserted reversely or the fuse of the automobile is burnt out is avoided, and the damage to the original automobile is avoided.
In order to achieve the above object, the utility model adopts the following technical scheme: a polarity-free double-color LED decoding car lamp circuit integrating a daytime running lamp and a steering lamp comprises an input rectifier bridge stack module, a daytime running white lamp voltage reduction constant current module, a steering yellow lamp voltage reduction constant current driving module, a daytime running steering switching control module, a daytime running white lamp bead group and a steering yellow lamp bead group; the input rectifier bridge stack module outputs a white lamp signal output signal VIN _ W and a yellow lamp output signal VIN _ Y, wherein the white lamp signal output signal VIN _ W is output to the daytime running white lamp voltage-reducing constant-current module, and the daytime running white lamp voltage-reducing constant-current module is connected with a daytime running white lamp bead group; the yellow lamp output signal VIN _ Y is output to a steering yellow lamp voltage-reducing constant-current driving module, and the steering yellow lamp voltage-reducing constant-current driving module is connected with a steering yellow lamp bead group; the white lamp signal output signal VIN _ W and the yellow lamp output signal VIN _ Y are also output to the input end of the daytime running steering switching control module to be connected, and the output end of the daytime running steering switching control module is connected with the daytime running white lamp voltage reduction constant current module and is connected with the daytime running white lamp bead group; the steering yellow lamp voltage reduction constant current driving module comprises a yellow lamp voltage reduction constant current driving chip U3 and a regulation constant current sampling resistor, wherein the output end of the yellow lamp constant current driving chip U3 is connected with the steering yellow lamp bead group through the regulation constant current sampling resistor and controls the switch of the steering yellow lamp bead group.
Further, the fan interface module is also included, wherein the fan interface module comprises a diode D12, a diode D13, an F1 interface, an F2 interface and an FY-interface; wherein the yellow light output signal VIN _ Y is connected to the F1 interface through a diode D12; the white light signal output signal VIN _ W is connected to the F2 interface through a diode D13, and the FY-interface is grounded.
Further, the input rectifier bridge stack module comprises a white lamp rectifier bridge and a yellow lamp rectifier bridge; the white lamp rectifier bridge is provided with a first input interface L1 and a second input interface L2, and the output end of the white lamp rectifier bridge outputs a white lamp signal output signal VIN _ W; the yellow light rectifier bridge is provided with a third input interface H1 and a fourth input interface H2, and the output end of the yellow light rectifier bridge outputs a yellow light signal output signal VIN _ Y.
Further, the solar steering switching control module comprises a main control chip U1, a first filtering and voltage stabilizing module and a second filtering and voltage stabilizing module; the white lamp signal output signal VIN _ W is connected with the No. 6 pin of the main control chip U1 through the first filtering and voltage stabilizing module, the yellow lamp output signal VIN _ Y is connected with the No. 8 pin of the main control chip U1 through the second filtering and voltage stabilizing module, and the No. 2 pin of the main control chip U1 outputs a PWM signal to the daytime running white lamp voltage reduction constant current module through the output resistor R2.
Further, the specific model of the master control chip U1 is SOP8-0A 1A.
Further, the specific model of the yellow lamp constant current driving chip U3 is QX9920, and the adjusting constant current sampling resistor includes a sampling resistor R10 and a sampling resistor R11, wherein one end of the sampling resistor R10 and one end of the sampling resistor R11 are respectively connected to a CS pin of the yellow lamp constant current driving chip U3, and the other end of the sampling resistor R10 and the other end of the sampling resistor R11 are respectively grounded.
The beneficial effects of the utility model reside in that: 1. the LED lamp is driven by adopting the high-power daytime running white lamp voltage reduction constant current module and the steering yellow lamp voltage reduction constant current driving module, and meanwhile, different powers can be set in the yellow lamp voltage reduction constant current driving module by replacing and adjusting the constant current sampling resistor to adapt to different decoding vehicle types, external resistor decoding is not needed, the applicability is wider, and the use is more convenient;
2. in addition, in the application, the non-polarity can be realized through the input rectifier bridge stack module, so that the situation that the lamp is not turned on after being inserted reversely or the fuse of the automobile is burnt out is avoided, and the damage to the original automobile is avoided. The LED vehicle lamp has the advantages of wider applicability, convenience in use and no damage to the original vehicle, and the problems that an existing LED vehicle lamp needs to be externally connected with a decoder and the like are solved.
Drawings
Fig. 1 is an overall circuit diagram of the present application.
Fig. 2 is a circuit diagram of the solar steering switching control module.
Fig. 3 is a circuit diagram of an input bridge stack module.
Fig. 4 is a circuit diagram of a daytime running white lamp voltage-reducing constant-current module and a daytime running white lamp bead group.
Fig. 5 is a circuit diagram of a turn yellow lamp voltage reduction constant current driving module and a turn yellow lamp bead group.
Fig. 6 is a circuit diagram of a fan interface module.
The reference numbers illustrate: the solar driving device comprises a white lamp rectifier bridge 11, a yellow lamp rectifier bridge 12, a daytime running white lamp voltage reduction constant current module 2, a daytime running white lamp bead group 3, a steering yellow lamp voltage reduction constant current driving module 4, a steering yellow lamp bead group 5, a daytime running steering switching control module 6 and a fan interface module 7.
Detailed Description
Referring to fig. 1-6, the utility model discloses a polarity-free double-color LED decoding car lamp circuit integrating daytime running light and steering light, which comprises an input rectifier bridge module, a daytime running white light voltage-reducing constant-current module 2, a steering yellow light voltage-reducing constant-current driving module 4, a daytime running steering switching control module 6, a daytime running white light bead group 3 and a steering yellow light bead group 5; the input rectifier bridge stack module outputs a white lamp signal output signal VIN _ W and a yellow lamp output signal VIN _ Y, wherein the white lamp signal output signal VIN _ W is output to the daytime running white lamp voltage-reducing constant-current module 2, and the daytime running white lamp voltage-reducing constant-current module 2 is connected with a daytime running white lamp bead group 3; the yellow lamp output signal VIN _ Y is output to a turning yellow lamp voltage-reducing constant-current driving module 4, and the turning yellow lamp voltage-reducing constant-current driving module 4 is connected with a turning yellow lamp bead group 5; the white lamp signal output signal VIN _ W and the yellow lamp output signal VIN _ Y are also output to the input end of the daytime running steering switching control module 6 to be connected, and the output end of the daytime running steering switching control module 6 is connected with the daytime running white lamp voltage-reducing constant-current module 2 and is connected with the daytime running white lamp bead group 3; the turning yellow lamp voltage reduction constant current driving module 4 comprises a yellow lamp voltage reduction constant current driving chip U3 and a regulation constant current sampling resistor, wherein the output end of the yellow lamp constant current driving chip U3 is connected with the turning yellow lamp bead group 5 through the regulation constant current sampling resistor and controls the switch of the turning yellow lamp bead group.
The high-power daytime running white lamp voltage reduction constant current module 2 and the steering yellow lamp voltage reduction constant current driving module 4 are adopted to drive the LED lamp, meanwhile, different powers can be set in the yellow lamp voltage reduction constant current driving module by replacing and adjusting the constant current sampling resistor so as to adapt to different decoding vehicle types, external resistor decoding is not needed, the applicability is wider, and the use is more convenient;
in addition, in the application, the non-polarity can be realized through the input rectifier bridge stack module, so that the situation that the lamp is not turned on after being inserted reversely or the fuse of the automobile is burnt out is avoided, and the damage to the original automobile is avoided. The LED vehicle lamp has the advantages of wider applicability, convenience in use and no damage to the original vehicle, and the problems that an existing LED vehicle lamp needs to be externally connected with a decoder and the like are solved.
Further, the fan interface module 7 is also included, wherein the fan interface module 7 includes a diode D12, a diode D13, an F1 interface, an F2 interface and an FY-interface; wherein the yellow light output signal VIN _ Y is connected to the F1 interface through a diode D12; the white light signal output signal VIN _ W is connected to the F2 interface through a diode D13, and the FY-interface is grounded. When VIN _ Y provides 12V voltage, positive voltage is output to the F1 interface through the diode D12, the F1 interface is externally connected to the positive pole of the fan, the FY-is connected to the negative pole of the fan, and the fan can be turned up, so that auxiliary heat dissipation is carried out on the product. Similarly, when VIN _ W provides 12V voltage, a positive voltage is output to the F2 interface through the diode D13, the F2 interface is externally connected to another fan anode, the FY-is connected to the fan cathode, and the fan can be turned up, so as to perform auxiliary heat dissipation on the product.
Further, the input rectifier bridge stack module comprises a white lamp rectifier bridge 11 and a yellow lamp rectifier bridge 12; the white lamp rectifier bridge 11 is provided with a first input interface L1 and a second input interface L2, and the output end of the white lamp rectifier bridge 11 outputs a white lamp signal output signal VIN _ W; the yellow light rectifier bridge 12 is provided with a third input interface H1 and a fourth input interface H2, and the output end of the yellow light rectifier bridge 12 outputs a yellow light signal output signal VIN _ Y. The non-polarity can be realized through the white lamp rectifier bridge 11 and the yellow lamp rectifier bridge 12, so that the situation that the lamp is not turned on in a reverse insertion mode or the fuse of the automobile is burnt out is avoided, and the damage to the original automobile is avoided.
Further, the solar steering switching control module 6 includes a main control chip U1, a first filtering voltage stabilizing module, and a second filtering voltage stabilizing module; the white lamp signal output signal VIN _ W is connected with the No. 6 pin of the main control chip U1 through the first filtering and voltage stabilizing module, the yellow lamp output signal VIN _ Y is connected with the No. 8 pin of the main control chip U1 through the second filtering and voltage stabilizing module, and the No. 2 pin of the main control chip U1 outputs a PWM signal to the daytime running white lamp voltage reduction constant current module 2 through the output resistor R2.
Further, the specific model of the master control chip U1 is SOP8-0A 1A. Further, the specific model of the yellow lamp constant current driving chip U3 is QX9920, and the adjusting constant current sampling resistor includes a sampling resistor R10 and a sampling resistor R11, wherein one end of the sampling resistor R10 and one end of the sampling resistor R11 are respectively connected to a CS pin of the yellow lamp constant current driving chip U3, and the other end of the sampling resistor R10 and the other end of the sampling resistor R11 are respectively grounded. Meanwhile, according to the characteristics of the yellow lamp constant current driving chip U3, the output current (A) is 0.25V/(1/R10+1/R11) omega, so the output power of the steering lamp can be adjusted by changing the resistance values of the constant current sampling resistors R10 and R11, and the steering lamp can adapt to different decoding vehicle types.
The specific working principle is as follows:
when the vehicle is in a daytime running light mode, the voltage VIN _ W is high, VIN _ Y is low, the U2 chip in the daytime running white light voltage-reducing constant-current module 2 controls the normal output of the daytime running white light bead group 3, namely white light and yellow light are not bright, when the vehicle needs to turn, a 12V voltage is supplied to an H1 interface or an H2 interface by a vehicle steering system, the VIN _ Y is about 12V voltage after passing through a yellow light rectifier bridge, after the detection of a main control chip U1, a pin 2 of the main control chip U1 can day the U2 chip in the daytime running white light voltage-reducing constant-current module 2, the output of the U2 chip is turned off, the daytime running white light bead group 3 is turned off, and the steering white light bead group 5 is turned on because the VIN _ Y provides 12V voltage to the yellow light constant-current driving chip U3, so that the switching between the daytime running light and the steering light is realized; meanwhile, according to the characteristics of the yellow lamp constant current driving chip U3, the output current (A) is 0.25V/(1/R10+1/R11) omega, so the output power of the steering lamp can be adjusted by changing the resistance values of the constant current sampling resistors R10 and R11, and the steering lamp can adapt to different decoding vehicle types.
The above embodiments are only for describing the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and various modifications and improvements made by the technical solution of the present invention by those skilled in the art are all within the scope of the present invention as defined by the claims.

Claims (6)

1. The utility model provides a day driving lamp and integrative no polarity double-colored LED of indicator decode car light circuit which characterized in that: the device comprises an input rectifier bridge stack module, a daytime running white lamp voltage reduction constant current module, a steering yellow lamp voltage reduction constant current driving module, a daytime running steering switching control module, a daytime running white lamp bead group and a steering yellow lamp bead group;
the input rectifier bridge stack module outputs a white lamp signal output signal VIN _ W and a yellow lamp output signal VIN _ Y, wherein the white lamp signal output signal VIN _ W is output to the daytime running white lamp voltage-reducing constant-current module, and the daytime running white lamp voltage-reducing constant-current module is connected with a daytime running white lamp bead group; the yellow lamp output signal VIN _ Y is output to a steering yellow lamp voltage-reducing constant-current driving module, and the steering yellow lamp voltage-reducing constant-current driving module is connected with a steering yellow lamp bead group; the white lamp signal output signal VIN _ W and the yellow lamp output signal VIN _ Y are also output to the input end of the daytime running steering switching control module to be connected, and the output end of the daytime running steering switching control module is connected with the daytime running white lamp voltage reduction constant current module and is connected with the daytime running white lamp bead group;
the steering yellow lamp voltage reduction constant current driving module comprises a yellow lamp voltage reduction constant current driving chip U3 and a regulation constant current sampling resistor, wherein the output end of the yellow lamp constant current driving chip U3 is connected with the steering yellow lamp bead group through the regulation constant current sampling resistor and controls the switch of the steering yellow lamp bead group.
2. The nonpolarity two-color LED decoding car lamp circuit integrating the daytime running lamp and the steering lamp according to claim 1, wherein: the fan interface module comprises a diode D12, a diode D13, an F1 interface, an F2 interface and an FY-interface; wherein the yellow light output signal VIN _ Y is connected to the F1 interface through a diode D12; the white light signal output signal VIN _ W is connected to the F2 interface through a diode D13, and the FY-interface is grounded.
3. The nonpolarity two-color LED decoding car lamp circuit integrating the daytime running lamp and the steering lamp according to claim 1, wherein: the input rectifier bridge stack module comprises a white lamp rectifier bridge and a yellow lamp rectifier bridge; the white lamp rectifier bridge is provided with a first input interface L1 and a second input interface L2, and the output end of the white lamp rectifier bridge outputs a white lamp signal output signal VIN _ W; the yellow light rectifier bridge is provided with a third input interface H1 and a fourth input interface H2, and the output end of the yellow light rectifier bridge outputs a yellow light signal output signal VIN _ Y.
4. The nonpolarity two-color LED decoding car lamp circuit integrating the daytime running lamp and the steering lamp according to claim 1, wherein: the solar steering switching control module comprises a main control chip U1, a first filtering voltage stabilizing module and a second filtering voltage stabilizing module; the white lamp signal output signal VIN _ W is connected with the No. 6 pin of the main control chip U1 through the first filtering and voltage stabilizing module, the yellow lamp output signal VIN _ Y is connected with the No. 8 pin of the main control chip U1 through the second filtering and voltage stabilizing module, and the No. 2 pin of the main control chip U1 outputs a PWM signal to the daytime running white lamp voltage reduction constant current module through the output resistor R2.
5. The nonpolarity two-color LED decoding car lamp circuit integrating the daytime running lamp and the steering lamp according to claim 4, wherein: the specific model of the main control chip U1 is SOP8-0A 1A.
6. The nonpolarity two-color LED decoding car lamp circuit integrating the daytime running lamp and the steering lamp according to claim 1, wherein: the specific model of the yellow lamp constant current driving chip U3 is QX9920, the adjusting constant current sampling resistor comprises a sampling resistor R10 and a sampling resistor R11, wherein one end of the sampling resistor R10 and one end of the sampling resistor R11 are respectively connected with a CS pin of the yellow lamp constant current driving chip U3, and the other ends of the sampling resistor R10 and the sampling resistor R11 are respectively grounded.
CN202120694893.XU 2021-04-06 2021-04-06 Polarity-free double-color LED decoding car lamp circuit integrating daytime running lamp and steering lamp Active CN215187489U (en)

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CN202120694893.XU CN215187489U (en) 2021-04-06 2021-04-06 Polarity-free double-color LED decoding car lamp circuit integrating daytime running lamp and steering lamp

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Application Number Priority Date Filing Date Title
CN202120694893.XU CN215187489U (en) 2021-04-06 2021-04-06 Polarity-free double-color LED decoding car lamp circuit integrating daytime running lamp and steering lamp

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CN215187489U true CN215187489U (en) 2021-12-14

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