CN112319361A - Star sky top LED controller based on field effect transistor switching characteristic - Google Patents
Star sky top LED controller based on field effect transistor switching characteristic Download PDFInfo
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- CN112319361A CN112319361A CN202011010327.9A CN202011010327A CN112319361A CN 112319361 A CN112319361 A CN 112319361A CN 202011010327 A CN202011010327 A CN 202011010327A CN 112319361 A CN112319361 A CN 112319361A
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- circuit
- effect transistor
- field effect
- top led
- main mcu
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q3/00—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors
- B60Q3/70—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors characterised by the purpose
- B60Q3/74—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors characterised by the purpose for overall compartment lighting; for overall compartment lighting in combination with specific lighting, e.g. room lamps with reading lamps
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q3/00—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors
- B60Q3/20—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors for lighting specific fittings of passenger or driving compartments; mounted on specific fittings of passenger or driving compartments
- B60Q3/208—Sun roofs; Windows
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q3/00—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors
- B60Q3/80—Circuits; Control arrangements
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Led Devices (AREA)
Abstract
The invention aims to provide a starry sky-top LED controller based on field effect transistor switching characteristics, a main MCU judges according to a key circuit or a pickup circuit, the main MCU controls the switching time of a field effect transistor (MOS) circuit by controlling a driving triode so as to control and output power supply voltages with different duty ratios, color mixing and dimming of a starry sky-top LED are realized, the driving capacity of the field effect transistor (MOS) circuit is larger, and the endurable voltage and current are also larger, so that the starry sky-top LED controller of the field effect transistor scheme can light more LED lamp beads simultaneously, and the starry sky-top LED controller has better real-time performance and load capacity and stronger anti-interference capacity.
Description
Technical Field
The invention relates to the field of automobile starry sky roofs, in particular to a starry sky roof LED controller based on switching characteristics of a field effect transistor.
Background
With the continuous development of automobile science and technology, people have higher and higher requirements on automobile use, including the requirement on the atmosphere in the automobile, and the space cap is produced at the same time. The LED lamps of all colors on the starry sky top adopt triodes in the traditional driving mode of the starry sky top LED, and the requirements of people for use cannot be met. A new space cap LED controller is needed. Therefore, it is necessary to solve this problem.
Disclosure of Invention
In order to solve the problems, the invention provides a starry sky-top LED controller based on the switching characteristics of a field effect transistor, the judgment is carried out by a main MCU according to a key circuit or a pickup circuit, the main MCU controls the switching time of a field effect transistor (MOS) circuit by controlling a driving triode so as to control and output power supply voltages with different duty ratios, color mixing and dimming of a starry sky-top LED are realized, the driving capability of the field effect transistor (MOS) circuit is higher, and the endurable voltage and current are also higher, so that the starry sky-top LED controller of the field effect transistor scheme can light more LED lamp beads simultaneously, has better real-time performance and load capacity, and solves the problems in the background technology.
The invention aims to provide a space-borne-roof LED controller based on switching characteristics of a field effect transistor, which comprises a main MCU, wherein the main MCU is connected with a key circuit and a pickup circuit and is controlled by a field effect transistor (MOS) circuit; an effect transistor (MOS) circuit is connected with the star-sky-top LED; the pickup circuit is used for monitoring the melody and rhythm of music in the car, and the key circuit is used for manually pressing; the main MCU judges according to the key circuit or the pickup circuit, and the main MCU controls the on-off time of a field effect transistor (MOS) circuit, so that the brightness and the color of the LED on the starry sky ceiling are controlled.
The further improvement lies in that: the main MCU controls the switching time of a field effect transistor (MOS) circuit by controlling the driving triode, thereby controlling and outputting power supply voltages with different duty ratios and realizing color mixing and dimming on the starry sky-top LED.
The invention has the beneficial effects that: according to the invention, the main MCU judges according to the key circuit or the pickup circuit, and controls the switching time of the field effect transistor (MOS) circuit by controlling the driving triode, so that the power supply voltages with different duty ratios are controlled and output, color mixing and dimming are realized for the starry sky-top LED, the driving capability of the field effect transistor (MOS) circuit is higher, and the voltage and the current which can be borne are also higher, so that the starry sky-top LED controller of the field effect transistor scheme can light more LED lamp beads simultaneously, and the field effect transistor has better real-time performance and load capacity, and stronger anti-interference capability.
Drawings
FIG. 1 is a schematic of the present invention.
Fig. 2 is a circuit diagram of the present invention.
Detailed Description
For the purpose of enhancing understanding of the present invention, the present invention will be further described in detail with reference to the following examples, which are provided for illustration only and are not to be construed as limiting the scope of the present invention.
As shown in fig. 1 and 2, the present embodiment provides a star-sky-top LED controller based on switching characteristics of a field effect transistor, which includes a main MCU, where the main MCU is connected to a key circuit and a pickup circuit, and the main MCU is connected to a field effect transistor (MOS) circuit to control the main MCU; an effect transistor (MOS) circuit is connected with the star-sky-top LED; the pickup circuit is used for monitoring the melody and rhythm of music in the car, and the key circuit is used for manually pressing; the main MCU judges according to the key circuit or the pickup circuit, and the main MCU controls the on-off time of a field effect transistor (MOS) circuit, so that the brightness and the color of the LED on the starry sky ceiling are controlled.
The main MCU controls the switching time of a field effect transistor (MOS) circuit by controlling the driving triode, thereby controlling and outputting power supply voltages with different duty ratios and realizing color mixing and dimming on the starry sky-top LED.
Judge according to key circuit or pickup circuit through main MCU, main MCU controls the on-off time of field effect transistor (MOS) circuit through control drive triode, thereby the supply voltage of the different duty cycle of control output, realize colour mixture and adjust luminance to sky top LED, the drive capability ratio of field effect transistor (MOS) circuit is big, voltage and the electric current that can stand are also big, so more LED lamp pearls can be lighted simultaneously to the sky top LED controller of field effect transistor scheme, better real-time and load carrying capacity have, the interference killing feature is stronger.
Claims (2)
1. The utility model provides a star sky top LED controller based on field effect transistor switching characteristic which characterized in that: the device comprises a main MCU, wherein the main MCU is connected with a key circuit and a pickup circuit and is connected with a field effect transistor (MOS) circuit to control the main MCU; an effect transistor (MOS) circuit is connected with the star-sky-top LED; the pickup circuit is used for monitoring the melody and rhythm of music in the car, and the key circuit is used for manually pressing; the main MCU judges according to the key circuit or the pickup circuit, and the main MCU controls the on-off time of a field effect transistor (MOS) circuit, so that the brightness and the color of the LED on the starry sky ceiling are controlled.
2. The star-sky-top LED controller based on fet switching characteristics as claimed in claim 1, wherein: the main MCU controls the switching time of a field effect transistor (MOS) circuit by controlling the driving triode, thereby controlling and outputting power supply voltages with different duty ratios and realizing color mixing and dimming on the starry sky-top LED.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011010327.9A CN112319361A (en) | 2020-09-23 | 2020-09-23 | Star sky top LED controller based on field effect transistor switching characteristic |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011010327.9A CN112319361A (en) | 2020-09-23 | 2020-09-23 | Star sky top LED controller based on field effect transistor switching characteristic |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112319361A true CN112319361A (en) | 2021-02-05 |
Family
ID=74303465
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011010327.9A Pending CN112319361A (en) | 2020-09-23 | 2020-09-23 | Star sky top LED controller based on field effect transistor switching characteristic |
Country Status (1)
| Country | Link |
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| CN (1) | CN112319361A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207589237U (en) * | 2017-11-28 | 2018-07-06 | 深圳市比瑞特照明科技有限公司 | A kind of LED automobile atmosphere lamp application circuit |
| CN209488863U (en) * | 2018-12-03 | 2019-10-11 | 广州新晨汽车零部件有限公司 | A kind of vehicle-mounted atmosphere lamp system of real-time music regular movements control |
| CN210247100U (en) * | 2019-06-13 | 2020-04-03 | 广州市车智连电子有限公司 | Intelligent atmosphere lamp system for vehicle |
| CN111586933A (en) * | 2020-04-22 | 2020-08-25 | 上海趣致网络科技股份有限公司 | Light control equipment and system |
-
2020
- 2020-09-23 CN CN202011010327.9A patent/CN112319361A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207589237U (en) * | 2017-11-28 | 2018-07-06 | 深圳市比瑞特照明科技有限公司 | A kind of LED automobile atmosphere lamp application circuit |
| CN209488863U (en) * | 2018-12-03 | 2019-10-11 | 广州新晨汽车零部件有限公司 | A kind of vehicle-mounted atmosphere lamp system of real-time music regular movements control |
| CN210247100U (en) * | 2019-06-13 | 2020-04-03 | 广州市车智连电子有限公司 | Intelligent atmosphere lamp system for vehicle |
| CN111586933A (en) * | 2020-04-22 | 2020-08-25 | 上海趣致网络科技股份有限公司 | Light control equipment and system |
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| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210205 |
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| RJ01 | Rejection of invention patent application after publication |