WO2022141715A1

WO2022141715A1 - Front-rear synchronously controlled lamps

Info

Publication number: WO2022141715A1
Application number: PCT/CN2021/074028
Authority: WO
Inventors: 蒋斌
Original assignee: 嘉善声光电子有限公司
Priority date: 2020-12-28
Filing date: 2021-01-28
Publication date: 2022-07-07
Also published as: CN214296250U

Abstract

Front-rear synchronously controlled lamps, comprising a front lamp control system (1) and a rear lamp control system (2). The front lamp control system (1) comprises a front lamp control chip (3), and the rear lamp control system (2) comprises a rear lamp control chip (4). The front-rear synchronously controlled lamps are provided with the front lamp control system (1) and the rear lamp control system (2), and in use, only the front lamp control system (1) needs to be operated, the front lamp control system (1) automatically transmits a signal to the rear lamp control system (2) to automatically control an LED rear lamp (41) to work, and moreover, information is fed back to the front lamp control system (1).

Description

A kind of front and rear synchronous control lamp

technical field

The utility model relates to the technical field of bicycle lamp control, in particular to a front and rear synchronously controlled vehicle lamp.

Background technique

A bicycle is a small land vehicle powered by human pedals, usually with two wheels, but also with three wheels (mainly used for cargo, relatively rare). It can be used as an environmentally friendly means of transportation for walking and traveling, and can also be used as a fitness equipment for cycling exercise and bicycle travel. Cycling itself is also a competitive sport, including road cycling, mountain cycling, track cycling, stunt cycling, etc.

The front and rear lights of the existing bicycle lamps are separated during operation when switching modes. The rear lights are under the seat, and the modes need to be switched when riding, which is inconvenient and unsafe to use. Therefore, a front and rear synchronously controlled vehicle light is required.

Utility model content

Based on the existing bicycle lamps and lanterns, the front and rear lights are separate when switching modes, the rear lights are under the seat, and the modes need to be switched when riding, which has the technical problems of inconvenience and unsafety in use, the utility model proposes a front and rear synchronization Control the lights.

A front and rear synchronously controlled vehicle lamp proposed by the utility model includes a headlamp control system and a rear lamp control system, the headlamp control system includes a headlamp control chip, and the rear lamp control system includes a rear lamp control chip;

The headlight control chip is electrically connected with an LED headlight, and the headlight control chip is electrically connected with a first power supply module, a first low battery detection module, a first wireless transceiver module and a system control input module respectively;

The rear lamp control chip is electrically connected with the LED rear lamp, and the rear lamp control chip is electrically connected with a second power supply module, a second low battery detection module and a second wireless transceiver module respectively.

Preferably, both the first wireless transceiver module and the second wireless transceiver module include ANTs.

Preferably, both the front light control chip and the rear light control chip are provided with a micro control unit, and the micro control unit is electrically connected with a memory module.

Preferably, the two memory modules are respectively located inside the headlight control chip and the rear light control chip, and the memory modules are EEPROMs.

Preferably, the front light control chip and the rear light control chip further include an RF receiver and an RF transmitter, and the two RF receivers and the two RF transmitters are connected with the two micro-control units. Electrical connection.

Preferably, both of the RF receivers and the two RF transmitters are electrically connected to the two ANTs.

The beneficial effects in the utility model are:

1. By setting the headlight control system and the rear light control system, when using, only need to operate the headlight control system, the headlight control system will automatically send a signal to contact the rear light control system, and automatically control the LED rear light to work. At the same time, the information is fed back to the headlight control system, which solves the problem that the existing bicycle lamps and lanterns are separated when switching modes, and the rear lights are under the seat, and the mode needs to be switched when riding, which is inconvenient and unsafe to use. The problem.

Description of drawings

1 is a schematic diagram of a front and rear synchronously controlled vehicle lamp proposed by the utility model;

FIG. 2 is a structural block diagram of a rear light control system for synchronously controlling front and rear lights proposed by the utility model.

In the figure: 1. Front light control system; 2. Back light control system; 3. Head light control chip; 31, LED head light; 4, Back light control chip; 41, LED back light; 6. The first low-battery detection module; 7. The first wireless transceiver module; 8. The system control input module; 9. The second power supply module; 10. The second low-battery detection module; 11. The second wireless transceiver module; 12. Micro control unit; 13, memory module; 14, RF receiver; 15, RF transmitter.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example.

Referring to Figures 1-2, a front and rear synchronously controlled vehicle light includes a headlight control system 1 and a rear light control system 2. The headlight control system 1 includes a headlight control chip 3, and the rear light control system 2 includes a rear light control system. chip 4;

The headlight control chip 3 is electrically connected with an LED headlight 31 , and the headlight control chip 3 is electrically connected with a first power supply module 5 , a first low battery detection module 6 , a first wireless transceiver module 7 and a system control input module 8 respectively. ;

The rear lamp control chip 4 is electrically connected with the LED rear lamp 41, and the rear lamp control chip 4 is electrically connected with the second power supply module 9, the second low battery detection module 10 and the second wireless transceiver module 11 respectively;

Further, the first low battery detection module 6 and the second low battery detection module 10 are used to detect the electricity of the first power supply module 5 and the second power supply module 9 respectively. When it is lower than a certain range, a warning light will be issued;

The first wireless transceiver module 7 and the second wireless transceiver module 11 both include an ANT, the headlight control chip 3 and the rear light control chip 4 are both provided with a micro-control unit 12, and the micro-control unit 12 is electrically connected with the memory module 13;

The two memory modules 13 are respectively located inside the headlight control chip 3 and the rear light control chip 4, the memory module 13 is an EEPROM, and the front light control chip 3 and the rear light control chip 4 also include an RF receiver 14 and an RF transmitter 15. , the two RF receivers 14 and the two RF transmitters 15 are both electrically connected to the two microcontroller units 12, and the two RF receivers 14 and the two RF transmitters 15 are both electrically connected to the two ANT antenna interfaces;

By setting the headlight control system 1 and the rear light control system 2, when in use, only after operating the headlight control system 1, the headlight control system 1 automatically sends a signal to contact the rear light control system 2 to automatically control the LEDs The rear light 41 works, and feeds back information to the headlight control system 1 at the same time, so as to solve the problem that the existing bicycle lamps and lanterns are separated when switching modes. inconvenience and insecurity.

Working principle: For the first use, the pairing protocol of the front and rear lights is written and stored in the memory module 13EEPROM according to the manual pairing mode.

The first power supply module 5 in the headlight system provides power to the headlight control chip 3 (RF receiver 14, RF transmitter 15 and micro-control unit 12), and the internal micro-control unit 12 of the headlight control chip 3 is responsible for the encoding and decoding of wireless communication , LED headlight 31 drive, system control input module 8KEY input, first low battery detection module 6;

The second power supply module 9 of the rear lamp system provides power to the rear lamp control chip 4 (RF receiver 14, RF transmitter 15 and micro-control unit 12), and the micro-control unit 12 inside the rear lamp control chip 4 is responsible for encoding and decoding of wireless communication, The LED rear light 41 is driven, and the second low battery detection module 10.

1. When the headlight button is pressed, a trigger signal is provided to the internal micro-control unit 12 of the headlight control chip 3, and the micro-control unit 12 controls the LED headlight 31 according to the trigger signal, and at the same time sends a corresponding command code signal to the internal RF transmitter. 15. Modulate the RF signal and transmit the wireless signal through the ANT antenna.

2. The rear light ANT (antenna) receives the wireless signal and transmits it to the internal RF receiver 14 to demodulate the encoded signal, and transmit the demodulated signal to the micro-control unit 12. The micro-control unit 12 controls the LED rear light 41 to work according to the protocol instructions. , while sending a response signal to the headlights through the internal transmitter and ANT antenna.

3. After the headlight receives the response signal, the whole working process is completed.

During the working process, the internal micro-control unit 12 of the headlight control chip 3 will check the battery power at a fixed period. If low power is detected, it will drive an LED indicator signal to remind the user. If the rear light cannot work due to low power and other factors, the front The headlights will enter the preset alarm mode if there is no response feedback sent to the light control signal.

The above are only the preferred specific embodiments of the present invention, but the protection scope of the present invention is not limited to this. Equivalent replacement or modification of the new technical solution and its utility model concept shall be included within the protection scope of the present utility model.

Claims

A front and rear synchronously controlled vehicle lamp, comprising a headlamp control system (1) and a rear lamp control system (2), characterized in that: the headlamp control system (1) includes a headlamp control chip (3), the headlamp control chip (3), and the headlamp control chip (3). The rear lamp control system (2) includes a rear lamp control chip (4);

The headlight control chip (3) is electrically connected with an LED headlight (31), and the headlight control chip (3) is respectively electrically connected with a first power supply module (5) and a first low battery detection module (6). ), a first wireless transceiver module (7) and a system control input module (8);

The rear lamp control chip (4) is electrically connected with an LED rear lamp (41), and the rear lamp control chip (4) is respectively electrically connected with a second power supply module (9) and a second low battery detection module (10). ) and a second wireless transceiver module (11).
The front and rear synchronization control vehicle lamp according to claim 1, characterized in that: the first wireless transceiver module (7) and the second wireless transceiver module (11) both include ANT.
The front and rear synchronously controlled vehicle lamp according to claim 2, characterized in that: a micro control unit (12) is provided inside the headlamp control chip (3) and the rear lamp control chip (4), and the micro The control unit (12) is electrically connected with the memory module (13).
The front and rear synchronously controlled vehicle lamp according to claim 3, characterized in that: the two memory modules (13) are respectively located inside the headlight control chip (3) and the rear light control chip (4), and the memory The module (13) is an EEPROM.
The front and rear synchronously controlled vehicle lamp according to claim 4, characterized in that: the front lamp control chip (3) and the rear lamp control chip (4) further comprise an RF receiver (14) and an RF transmitter inside (15), the two RF receivers (14) and the two RF transmitters (15) are both electrically connected to the two micro-control units (12).
The front and rear synchronization control vehicle lamp according to claim 5, characterized in that: the two RF receivers (14) and the two RF transmitters (15) are both electrically connected to the two ANTs .