Driving control device of lighting equipment and controller of lighting lamp and signal lamp of automobile

Abstract

The utility model provides a driving control device of lighting equipment and a controller of an automobile lighting lamp and a signal lamp, the driving control device comprises a boost module, a first load module, a step-down module and a second load module, the boost module is provided with at least one constant current output channel and at least one constant voltage output channel; the input end of the boost module is connected with the power supply connecting end, the constant current output channel is connected with the first load module, the constant voltage output channel is connected with the buck module, and the output end of the buck module is connected with the second load module. The driving control device of the lighting equipment is directly connected with the first load module through the constant-current output channel of the boosting module, is connected with the voltage reduction module through the constant-voltage output channel of the boosting module and then is connected with the second load module, so that one path is provided with multiple paths of loads, and the loading capacity is improved; according to the driving control device of the lighting equipment, the conversion efficiency is effectively improved, damage is reduced, carbon emission is reduced, and the problems that an existing automobile headlight is poor in control loading capacity and large in loss are solved.

Description

Technical Field

[0001] The present application belongs to the technical field of automobile lighting and signal lights, and in particular, relates to a driving control device for a lighting device and a controller for automobile lighting and signal lights. Background Art

[0002] With the increasing popularity of new energy vehicles, the applications and functions of car lights are becoming more and more numerous. The modular platform drive of headlights is gradually becoming popular in the application of headlight drive. With the improvement of the brightness of car lights and the increase in the number of LEDs, the load capacity required by the drive is getting larger and larger.

[0003] Therefore, how to improve the load-carrying capacity of the drive and reduce the loss of the drive is an urgent need for current technological development. Utility Model Content

[0004] An embodiment of the present application provides a driving control device for a lighting device and a controller for a vehicle lighting lamp and a signal lamp to solve the problems of poor load capacity and high loss in existing vehicle headlight control.

[0005] In a first aspect, an embodiment of the present application provides a driving control device for a lighting device, comprising a boost module, a first load module, a buck module, and a second load module, wherein the boost module is provided with at least one constant current output channel and at least one constant voltage output channel, an input end of the boost module is connected to a power supply connection end, the constant current output channel is connected to the first load module, the constant voltage output channel is connected to the buck module, and an output end of the buck module is connected to the second load module.

[0006] Optionally, the driving control device of the lighting device includes a control module for controlling the operation of the voltage reduction module, and the control module is connected to the voltage reduction module.

[0007] Optionally, the control module includes a single chip microcomputer.

[0008] Optionally, the first load module includes a plurality of first loads connected in series, and two adjacent first loads are connected in parallel with a switch control element for independent operation.

[0009] Optionally, the switch control element is a conversion switch.

[0010] Optionally, the voltage reduction module includes a plurality of voltage reduction elements connected in parallel, and the second load module includes a plurality of second loads connected to each of the voltage reduction elements.

[0011] Optionally, the voltage-reducing element is a Buck chip.

[0012] Optionally, the boost module includes a Boost chip, and the Boost chip is provided with at least one constant current output channel and at least one constant voltage output channel.

[0013] In a first aspect, an embodiment of the present application provides a controller for a vehicle lighting lamp, comprising the driving control device of the lighting equipment described above.

[0014] In a first aspect, an embodiment of the present application provides a controller for a signal light, comprising the driving control device for the lighting device described above.

[0015] An embodiment of the present application provides a driving control device for a lighting device, which is directly connected to a first load module through a constant current output channel of a boost module, connected to a buck module through a constant voltage output channel of the boost module, and then connected to a second load module, thereby realizing one path carrying multiple loads and improving the load capacity. The driving control device for the lighting device effectively improves the conversion efficiency, reduces the loss and reduces the carbon emission, and solves the problems of poor load capacity and large loss of existing automobile headlight control. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solution in an embodiment of the present application, the following briefly introduces the drawings required for use in the description of the embodiment. Obviously, the drawings described below are only some embodiments of the present application, and those skilled in the art can also obtain other drawings based on these drawings without creative work.

[0017] In order to more completely understand the present application and its beneficial effects, the following description will be given in conjunction with the accompanying drawings. In the following description, the same reference numerals represent the same parts.

[0018] Figure 1 A schematic diagram of the framework of a driving control device for a lighting device provided in one embodiment of the present application.

[0019] Figure 2 A schematic diagram of the framework of a driving control device for a lighting device provided in another embodiment of the present application.

[0020] Figure 3 A circuit diagram of a driving control device for a lighting device provided in one embodiment of the present application. DETAILED DESCRIPTION

[0021] The technical scheme in one embodiment of the present application will be clearly and completely described below in conjunction with the drawings in one embodiment of the present application. Obviously, the described embodiment is only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without making creative work are within the scope of protection of the present application.

[0022] An embodiment of the present application provides a driving control device for a lighting device and a controller for a vehicle lighting lamp and a signal lamp to solve the problems of poor load capacity and high loss in existing vehicle headlight control.

[0023] Embodiment 1:

[0024] An embodiment of the present application provides a driving control device for a lighting device, for example, see Figure 1 , Figure 1 A schematic diagram of the framework of a driving control device for a lighting device provided in one embodiment of the present application.

[0025] like Figure 1 As shown, the utility model of the present application provides a driving control device for a lighting device, including a boost module 10, a first load module 20, a buck module 30 and a second load module 40, the boost module 10 is provided with at least one constant current output channel 11 and at least one constant voltage output channel 12, the input end of the boost module 10 is connected to the power connection end 101, the constant current output channel 11 is connected to the first load module 20, the constant voltage output channel 12 is connected to the buck module 30, and the output end of the buck module 30 is connected to the second load module 40.

[0026] It is further explained that the power connection terminal 101 is connected to the power supply, and the power supply is input into the driving control device of the lighting device through the power connection terminal 101, and is connected to the first load module 20 through the constant current output channel 11 of the boost module 10 to form a first load circuit. The first load circuit enables the driving control device of the lighting device to be directly connected to the first load module 20 through the constant current output channel 11 of the boost module 10; connected to the buck module 30 through the constant voltage output channel 12 of the boost module 10, and then connected to the second load module 40 through the buck module 30 to form a second load circuit. The total conversion efficiency of the second load circuit is equal to the conversion efficiency of the boost module 10, so that the conversion efficiency of the driving control device of the lighting device is high and carbon emissions are reduced. The driving control device of the lighting device is directly connected to the first load module through the boost module and is connected to the second load module through the buck module, so that one path carries multiple loads. In this embodiment, the power supply can be 220V AC.

[0027] It is further explained that the constant current output channel 11 directly drives the first load module 20 . The constant voltage output channel 12 serves as a pre-boost output of the boost module 10 .

[0028] An embodiment of the present application provides a driving control device for a lighting device that is directly connected to a first load module via a constant current output channel of a boost module, is connected to a buck module via a constant voltage output channel of the boost module, and then is connected to a second load module, thereby realizing one path carrying multiple loads and improving the load capacity. The driving control device for the lighting device effectively improves conversion efficiency, reduces losses, and reduces carbon emissions, thereby solving the problems of poor load capacity and large losses in existing automobile headlight control.

[0029] Figure 2 A schematic diagram of the framework of a driving control device for a lighting device provided in another embodiment of the present application.

[0030] like Figure 2 As shown, in an embodiment of the utility model of the present application, the driving control device of the lighting device includes a control module 50 for controlling the operation of the voltage reduction module 30 , and the control module 50 is connected to the voltage reduction module 30 .

[0031] It is further explained that the control module 50 includes a single chip microcomputer or a micro control unit MCU.

[0032] Figure 3 A circuit diagram of a driving control device for a lighting device provided in one embodiment of the present application.

[0033] like Figure 3 As shown, in the embodiment of the utility model of the present application, the first load module 20 includes a plurality of first loads 21 connected in series, and two adjacent first loads 21 are connected in parallel with a switch control element 22 for independent operation.

[0034] It is further explained that the switch control element 22 can be selected as a transfer switch SW. Figure 3 As shown, the first load module 20 includes N first loads 21 connected in series, the input end of the first load module 20 is connected to the constant current output channel of the boost module 10, and the output end of the first load module 20 is grounded. The boost module 10 is directly connected to the first load 21 through the constant current output channel 11, and can directly carry a string of first loads 21. Each different first load is independently lit by switching through the switch control element 22, so that one first load can be used to drive N loads.

[0035] like Figure 3As shown, in the embodiment of the utility model of the present application, the buck module 30 includes a plurality of buck elements 31 connected in parallel, and the second load module 40 includes a plurality of second loads 41 connected to each buck element 31. The boost module 10 includes a Boost chip, and the Boost chip is provided with at least one constant current output channel 11 and at least one constant voltage output channel 12.

[0036] It is further explained that the buck element 31 can be selected as a Buck chip. In this embodiment, the number of the buck elements 31 is the same as the number of the second loads 41. The Buck chip can be a buck LED driver of the TPS95250 or BD18397 model. The Boost chip can be a DC-DC dual-channel constant voltage and constant current controller of the TPS92682 or TLD6098-2 model. The first load 21 can be selected as a large load LED. The second load 41 can be an LED lamp with different functions. The number of the constant current output channel 11 and the constant voltage output channel 12 can be one or two.

[0037] Embodiment 2:

[0038] The utility model of the present application provides a controller for an automobile lighting lamp, comprising the driving control device of the lighting equipment mentioned above.

[0039] It is further explained that if Figures 1 to 3 As shown, the driving control device of the lighting equipment includes a boost module 10, a first load module 20, a buck module 30, a second load module 40 and a control module 50 for controlling the operation of the buck module 30. The boost module 10 is provided with at least one constant current output channel 11 and at least one constant voltage output channel 12. The input end of the boost module 10 is connected to the power connection end 101, the constant current output channel 11 is connected to the first load module 20, the constant voltage output channel 12 is connected to the buck module 30, and the output end of the buck module 30 is connected to the second load module 40; the control module 50 is connected to the buck module 30.

[0040] It is further explained that the power connection terminal 101 is connected to the power supply, and the power supply is input into the driving control device of the lighting device through the power connection terminal 101, and is connected to the first load module 20 through the constant current output channel 11 of the boost module 10 to form a first load loop. The first load loop enables the driving control device of the lighting device to directly load the first load module 20 through the constant current output channel 11 of the boost module 10; connect to the buck module 30 through the constant voltage output channel 12 of the boost module 10, and then connect to the second load module 40 through the buck module 30 to form a second load loop. The total conversion efficiency of the second load loop is equal to the conversion efficiency of the boost module 10, so that the conversion efficiency of the driving control device of the lighting device is high and carbon emissions are reduced. The driving control device of the lighting device is directly connected to the first load module through the boost module and connected to the second load module through the buck module, so as to realize one way with multiple loads. Then, the controller of the automobile lighting lamp is directly connected to the first load module through the constant current output channel of the boost module, connected to the buck module through the constant voltage output channel of the boost module, and then connected to the second load module, so that one path can carry multiple loads and the load capacity is improved; the conversion efficiency of the controller of the automobile lighting lamp is effectively improved, the loss is reduced, and the carbon emission is reduced, so as to solve the problems of poor load capacity and large loss of the existing automobile headlight control.

[0041] In the embodiment of the utility model of the present application, the constant current output channel 11 directly drives the first load module 20. The constant voltage output channel 12 serves as the pre-boost output of the boost module 10. In this embodiment, the power supply can be 220V AC.

[0042] In the embodiment of the utility model of the present application, the control module 50 includes a single chip microcomputer or a micro control unit MCU. The first load module 20 includes a plurality of first loads 21 connected in series, and two adjacent first loads 21 are connected in parallel with a switch control element 22 for independent operation.

[0043] It is further explained that the switch control element 22 can be selected as a transfer switch SW. Figure 3 As shown, the first load module 20 includes N first loads 21 connected in series, the input end of the first load module 20 is connected to the constant current output channel of the boost module 10, and the output end of the first load module 20 is grounded. The boost module 10 is directly connected to the first load 21 through the constant current output channel 11, and can directly carry a string of first loads 21. Each different first load is independently lit by switching through the switch control element 22, so that one first load can be used to drive N loads.

[0044] like Figure 3As shown, in the embodiment of the utility model of the present application, the buck module 30 includes a plurality of buck elements 31 connected in parallel, and the second load module 40 includes a plurality of second loads 41 connected to each buck element 31. The boost module 10 includes a Boost chip, and the Boost chip is provided with at least one constant current output channel 11 and at least one constant voltage output channel 12.

[0045] It is further explained that the buck element 31 can be selected as a Buck chip. In this embodiment, the number of the buck elements 31 is the same as the number of the second loads 41. The Buck chip can be a buck LED driver of the TPS95250 or BD18397 model. The Boost chip can be a DC-DC dual-channel constant voltage and constant current controller of the TPS92682 or TLD6098-2 model. The first load 21 can be selected as a large load LED. The second load 41 can be an LED lamp with different functions. The number of the constant current output channel 11 and the constant voltage output channel 12 can be one or two.

[0046] Embodiment three:

[0047] The utility model of the present application provides a controller for a signal light, comprising the driving control device of the lighting equipment mentioned above.

[0048] It is further explained that the driving control device of the lighting device is as follows Figures 1 to 3 As shown, the driving control device of the lighting device includes a boost module 10, a first load module 20, a buck module 30, a second load module 40 and a control module 50 for controlling the buck module 30. The boost module 10 is provided with at least one constant current output channel 11 and at least one constant voltage output channel 12. The input end of the boost module 10 is connected to the power connection end 101, the constant current output channel 11 is connected to the first load module 20, the constant voltage output channel 12 is connected to the buck module 30, and the output end of the buck module 30 is connected to the second load module 40. The control module 50 is connected to the buck module 30.

[0049] It is further explained that the power connection terminal 101 is connected to the power supply, and the power supply is input into the driving control device of the lighting device through the power connection terminal 101, and is connected to the first load module 20 through the constant current output channel 11 of the boost module 10 to form a first load loop. The first load loop enables the driving control device of the lighting device to directly load the first load module 20 through the constant current output channel 11 of the boost module 10; connect to the buck module 30 through the constant voltage output channel 12 of the boost module 10, and then connect to the second load module 40 through the buck module 30 to form a second load loop. The total conversion efficiency of the second load loop is equal to the conversion efficiency of the boost module 10, so that the conversion efficiency of the driving control device of the lighting device is high and carbon emissions are reduced. The driving control device of the lighting device is directly connected to the first load module through the boost module and connected to the second load module through the buck module, so as to realize one way with multiple loads. Thereby, the controller of the signal light is directly connected to the first load module through the constant current output channel of the boost module, connected to the buck module through the constant voltage output channel of the boost module, and then connected to the second load module, so that one path can carry multiple loads and the load capacity is improved; the conversion efficiency of the controller of the signal light is effectively improved, the loss is reduced, and the carbon emission is reduced, so as to solve the problems of poor load capacity and large loss of existing automobile headlight control.

[0050] In the embodiment of the utility model of the present application, the constant current output channel 11 directly drives the first load module 20. The constant voltage output channel 12 serves as the pre-boost output of the boost module 10. In this embodiment, the power supply can be 220V AC.

[0051] In the embodiment of the utility model of the present application, the control module 50 includes a single chip microcomputer or a micro control unit MCU. The first load module 20 includes a plurality of first loads 21 connected in series, and two adjacent first loads 21 are connected in parallel with a switch control element 22 for independent operation.

[0052] It is further explained that the switch control element 22 can be selected as a transfer switch SW. Figure 3 As shown, the first load module 20 includes N first loads 21 connected in series, the input end of the first load module 20 is connected to the constant current output channel of the boost module 10, and the output end of the first load module 20 is grounded. The boost module 10 is directly connected to the first load 21 through the constant current output channel 11, and can directly carry a string of first loads 21. Each different first load is independently lit by switching through the switch control element 22, so that one first load can be used to drive N loads.

[0053] like Figure 3As shown, in the embodiment of the utility model of the present application, the buck module 30 includes a plurality of buck elements 31 connected in parallel, and the second load module 40 includes a plurality of second loads 41 connected to each buck element 31. The boost module 10 includes a Boost chip, and the Boost chip is provided with at least one constant current output channel 11 and at least one constant voltage output channel 12.

[0054] It is further explained that the buck element 31 can be selected as a Buck chip. In this embodiment, the number of the buck elements 31 is the same as the number of the second loads 41. The Buck chip can be a buck LED driver of the TPS95250 or BD18397 model. The Boost chip can be a DC-DC dual-channel constant voltage and constant current controller of the TPS92682 or TLD6098-2 model. The first load 21 can be selected as a large load LED. The second load 41 can be an LED lamp with different functions. The number of the constant current output channel 11 and the constant voltage output channel 12 can be one or two.

[0055] In the above embodiments, the description of each embodiment has its own emphasis. For parts that are not described in detail in a certain embodiment, reference can be made to the relevant descriptions of other embodiments.

[0056] In the description of this application, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more features.

[0057] The above is a detailed introduction to the driving control device of the lighting equipment provided by an embodiment of the present application. Specific examples are used in this article to illustrate the principles and implementation methods of the present application. The description of the above embodiments is only used to help understand the method of the present application and its core idea; at the same time, for technical personnel in this field, according to the idea of ​​the present application, there will be changes in the specific implementation method and application scope. In summary, the content of this specification should not be understood as a limitation on the present application.

Claims

1. A driving control device for lighting equipment, characterized in that: It includes a boost module, a first load module, a buck module and a second load module, the boost module is provided with at least one constant current output channel and at least one constant voltage output channel, the input end of the boost module is connected to the power connection end, the constant current output channel is connected to the first load module, the constant voltage output channel is connected to the buck module, and the output end of the buck module is connected to the second load module.

2. The driving control device for lighting equipment according to claim 1, characterized in that: It includes a control module for controlling the operation of the voltage reduction module, and the control module is connected to the voltage reduction module.

3. The driving control device for lighting equipment according to claim 2, characterized in that: The control module includes a single chip microcomputer.

4. The driving control device for lighting equipment according to claim 1, characterized in that: The first load module includes a plurality of first loads connected in series, and two adjacent first loads are connected in parallel with switch control elements for independent operation.

5. The driving control device for lighting equipment according to claim 4, characterized in that: The switch control element is a conversion switch.

6. The driving control device for lighting equipment according to claim 1, characterized in that: The voltage reduction module includes a plurality of voltage reduction elements connected in parallel, and the second load module includes a plurality of second loads connected to each of the voltage reduction elements.

7. The driving control device for lighting equipment according to claim 6, characterized in that: The voltage-reducing element is a Buck chip.

8. The driving control device for lighting equipment according to claim 1, characterized in that: The boost module comprises a Boost chip, and the Boost chip is provided with at least one constant current output channel and at least one constant voltage output channel.

9. A controller for a vehicle lighting lamp, characterized in that: It comprises a driving control device for a lighting device as described in any one of claims 1 to 8.

10. A controller for a signal light, characterized in that: It comprises a driving control device for a lighting device as described in any one of claims 1 to 8.

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