CN-121985458-A - Fog lamp synchronous control method, main control chip, fog lamp and fog lamp system

CN121985458ACN 121985458 ACN121985458 ACN 121985458ACN-121985458-A

Abstract

The application provides a fog lamp synchronous control method, a main control chip, a fog lamp and a fog lamp system, which are suitable for the technical field of street lamp control. The method comprises the steps of responding to a received synchronization signal, controlling the fog lamp to emit light and turn off according to a preset on-off control logic, changing a preset first synchronization period into a second synchronization period, enabling the first synchronization period and the second synchronization period to be transmission periods from the step of receiving the synchronization signal to the step of transmitting the synchronization signal, enabling the duration of the first synchronization period to be different from the duration of the second synchronization period, responding to the duration of the second synchronization period, transmitting the synchronization signal, and controlling the fog lamp to emit light and turn off according to the preset on-off control logic, and changing the second synchronization period into the first synchronization period. According to the embodiment of the application, infinite cascade synchronization can be realized without a host computer in a mode of transmitting and receiving the synchronization signals among the fog lamps, so that the hardware cost is greatly saved, and the length of the whole expressway can be covered.

Inventors

Tan Hejian
CAI QINGDONG
LI XIAOCHENG
TAN JINCHENG
YAO CHENGGONG
LI GUANG

Assignees

深圳市如晖科技有限公司

Dates

Publication Date: 20260505
Application Date: 20260130

Claims (10)

1. A method for synchronously controlling fog lamps, which is applied to a fog lamp system, wherein the fog lamp system comprises at least two fog lamps, each fog lamp comprises a signal transceiver module, and each signal transceiver module receives and transmits a synchronous signal through a signal channel, and the method comprises the following steps: The method comprises the steps of responding to a received synchronization signal, controlling the fog lamp to emit light and turn off according to a preset on-off control logic, and changing a preset first synchronization period into a second synchronization period, wherein the first synchronization period and the second synchronization period are transmission periods from the receiving of the synchronization signal to the transmission of the synchronization signal, and the duration of the first synchronization period is different from the duration of the second synchronization period; And transmitting a synchronizing signal in response to the time length reaching the second synchronizing period, and controlling the fog lamp to emit light and turn off according to a preset on-off control logic, so that the second synchronizing period is changed into the first synchronizing period.
2. The method of claim 1, wherein the controlling the fog lamp to emit light and to turn off according to a predetermined on/off control logic in response to receiving the synchronization signal, and before changing the preset first synchronization period to the second synchronization period, comprises: And transmitting a synchronization signal in response to the time length reaching the first synchronization period, and controlling the fog lamp to emit light and turn off according to a preset on-off control logic.
3. The method of claim 1, wherein said controlling the fog light to emit light and to extinguish according to a predetermined on-off control logic comprises: And periodically and sequentially controlling the fog lamp to emit light for a first preset time period and to extinguish for a second preset time period according to the lighting-off control period.
4. The method of claim 3, wherein the duration of the second synchronization period and the duration of the first synchronization period are each an integer multiple of the duration of the on/off control period, and the duration of the second synchronization period is smaller than the duration of the first synchronization period.
5. The method for synchronously controlling the fog lamp according to claim 3, wherein the periodically and sequentially controlling the fog lamp to emit light for a first preset duration and to extinguish for a second preset duration according to the on-off control period comprises: And in each on-off control period, sequentially controlling the fog lamp to emit light for a first preset time length and to extinguish for a second preset time length in a mode of setting a time reference and counting by a counter through a timer.
6. The synchronized control method of a fog lamp of any one of claims 1-5, further comprising at least one of; Controlling the fog lamp to adjust the luminous color based on a color control signal of external equipment; and controlling the fog lamp to adjust the light-emitting brightness based on the brightness control signal in response to the brightness control signal of the external equipment.
7. A main control chip, characterized by comprising a signal transceiver module, a memory, a processor and a computer program stored in the memory and operable on the processor, wherein the signal transceiver module and the memory are both electrically connected to the processor, and the processor implements the steps of the method according to any one of claims 1 to 6 when executing the computer program.
8. A fog lamp is characterized by comprising a fog lamp body, a bulb connected with the fog lamp body and a main control chip as set forth in claim 7, wherein the main control chip is arranged in the fog lamp body.
9. The fog lamp of claim 8, further comprising a solar panel; the solar panel is connected with the fog lamp body and is used for supplying power to the fog lamp.
10. A fog light system, characterized in that it comprises at least two fog lights as claimed in any one of claims 8 to 9.

Description

Fog lamp synchronous control method, main control chip, fog lamp and fog lamp system Technical Field The application relates to the technical field of street lamp control, in particular to a synchronous control method of fog lamps, a main control chip, fog lamps and a fog lamp system. Background At present, synchronous fog lamps of highways can be synchronously controlled by adopting an MCU (Microcontroller Unit, micro control unit) and a wireless communication module, but the problems of high power consumption, high cost and limited distance exist, an additional host is required to broadcast synchronous signals to keep synchronization, and if the synchronous fog lamps are installed for a long distance, a plurality of hosts are required to relay, so that the cost is increased and the field installation and debugging are complicated. Meanwhile, the synchronous fog lamp can also adopt a GPS (Global Positioning System ) mode, is not limited by distance, but has good star searching signal, high cost and limited use place and needs satellite coverage. Disclosure of Invention In view of the above, the embodiment of the application provides a fog lamp synchronous control method, a main control chip, a fog lamp and a fog lamp system, so as to solve the problems of high cost and the like caused by a communication mode that a host is required to relay or pass through a GPS in the fog lamp synchronous control in the prior art. A first aspect of an embodiment of the present application provides a method for synchronously controlling fog lamps, which is applied to a fog lamp system, where the fog lamp system includes at least two fog lamps, each fog lamp includes a signal transceiver module, and each signal transceiver module receives and transmits a synchronization signal through a signal channel, and the method includes: The method comprises the steps of responding to a received synchronization signal, controlling the fog lamp to emit light and turn off according to a preset on-off control logic, and changing a preset first synchronization period into a second synchronization period, wherein the first synchronization period and the second synchronization period are transmission periods from the receiving of the synchronization signal to the transmission of the synchronization signal, and the duration of the first synchronization period is different from that of the second synchronization period; And transmitting a synchronizing signal in response to the time length reaching the second synchronizing period, and controlling the fog lamp to emit light and turn off according to the preset on-off control logic to change the second synchronizing period into the first synchronizing period. In one possible implementation, in response to receiving the synchronization signal, according to a predetermined on-off control logic, controlling the fog lamp to emit light and turn off, and before changing the preset first synchronization period to the second synchronization period, the method includes: And transmitting a synchronization signal in response to the time length reaching the first synchronization period, and controlling the fog lamp to emit light and turn off according to a preset on-off control logic. In one possible implementation, the lighting and extinguishing of the fog lamps is controlled according to a preset lighting and extinguishing control logic, including: and according to the lighting-off control period, periodically and sequentially controlling the fog lamp to emit light for a first preset time period and to extinguish for a second preset time period. In one possible implementation, the duration of the second synchronization period and the duration of the first synchronization period are both integer multiples of the duration of the on-off control period, the duration of the second synchronization period being less than the duration of the first synchronization period. In one possible implementation manner, according to the lighting-off control period, the first preset duration and the second preset duration of lighting of the fog lamp are controlled periodically and sequentially, and the method comprises the following steps: In each on-off control period, sequentially controlling the fog lamp to emit light for a first preset time length and to extinguish for a second preset time length in a mode of setting a time reference and counting by a counter through a timer. In one possible implementation manner, the fog lamp synchronous control method further comprises at least one of the following steps; Controlling the fog lamp to adjust the light emitting color based on the color control signal in response to the color control signal of the external device; in response to a brightness control signal of the external device, the fog lamp is controlled to adjust the light emission brightness based on the brightness control signal. A second aspect of the embodiments of the present application provides a main control ch