High-power running water steering lamp drive circuit, running water steering lamp and automobile
By setting the grounding pin in the running turn signal driving circuit and using the MOS tube control circuit, the complex and cost-effective circuit in the prior art is solved, and efficient driving and low-cost implementation of the running lamp are achieved.
CN222691906UActive Publication Date: 2025-03-28CHERY AUTOMOBILE CO LTD
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Patent Information
- Application Number
- CN202420620241.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-28
- Publication Date
- 2025-03-28
- Estimated Expiration
- 2034-03-28
AI Technical Summary
Technical Problem
The existing turn signal driving circuits have problems such as complex circuits, large number of driving chips, and high cost.
Method used
A high-power water turn signal driving circuit is designed. By setting the grounding pin in the LED series circuit and controlling the grounding control circuit using the MOS tube and the MCU, the driving control of the water light is realized.
Benefits of technology
The circuit structure is simplified, complexity is reduced, the number of driver chips is used, the cost is reduced, and the simplicity and security of control logic is improved.
✦ Generated by Eureka AI based on patent content.
Abstract
The utility model discloses a high-power running-water steering lamp driving circuit, which comprises an LED running-water lamp formed by sequentially connecting a plurality of LEDs in series, one end of the LED running-water lamp is connected with a switching power supply, and the other end of the LED running-water lamp is grounded; a grounding pin is arranged in a loop formed by connecting a plurality of LEDs in series, and the grounding pin is grounded through a grounding control circuit; and the output end of the flowing water lamp driving control unit MCU is connected to the grounding control circuit and is used for controlling the operation of the grounding control circuit. The driving control circuit has the advantages that the circuit structure is simple, the driving control of the running water steering lamp is realized with low complexity, the used original parts are all universal parts, the selectable range is wide, and the cost is low; during control, the flowing water lamp control function can be realized only by controlling the turn-on or turn-off time sequence of the MOS tube, and the control logic is simple, safe and reliable.
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