TWM582463U - Headlight dimming circuit - Google Patents

Abstract

The utility model relates to a lamp dimming circuit, which is used for a steering mechanism of a locomotive, a bicycle and the like. The novel comprises: a central processing unit; a multi-axis sensing unit electrically connected with the central processing unit for calculating The tilting direction of the steering mechanism and the tilting angle; a dimming circuit unit electrically connected to the central processing unit and including a first dimming circuit, the first dimming circuit being electrically connected to a first lighting fixture, And receiving the tilting direction and the tilting angle to adjust the brightness of the first lighting fixture; the novel adjusts the brightness of the lighting fixture when the two-wheeled vehicle turns, and illuminates the turning position early, so that the rider can prepare early and increase driving Safety.

Description

Headlight dimming circuit

A circuit, in particular, a lamp dimming circuit that controls the brightness of a lamp according to the degree of tilting of a bicycle or a locomotive.

In the headlights of today's locomotives, in addition to the headlights placed in front of the steering mechanism (faucet) of the locomotive, the steering mechanism can be rotated left and right, and the other design is to cover the headlights in front of the locomotive body. In the middle, the road in front of the locomotive can be directly illuminated.

With the increase of safety awareness, the proportion of bicycles equipped with lighting fixtures is getting higher and higher. Especially the sports-conscious riders often install small flashlights as lighting tools on sports bicycles. They still have bicycles at night or in dim. Certain security.

However, whether it is a headlight of a locomotive or a flashlight installed by a bicycle, the illumination range is limited to illuminate the road ahead of the road. When encountering a curve, it cannot illuminate the road ahead in the direction of turning. If there are animals on the winding road. Or obstacles are blocked. When the line of sight is dim, it may be ignored or difficult to identify. When it is detected, it is too late to dodge or drive, resulting in an accident.

In order to solve the problem that the lights of locomotives, bicycles and other vehicles cannot illuminate the corners of the turning roads in time, the present invention proposes a lamp dimming circuit, which is used with a left-right lighting fixture, by measuring the locomotive/bicycle The angle of tilting to the left and right due to the turning adjusts the brightness of the illuminating light, so that the two-wheeled vehicle can illuminate the road condition in the turning direction when turning, so that the driving can prepare for braking or avoiding obstacles early.

In order to achieve the above object, the lamp dimming circuit provided by the present invention is disposed on a steering mechanism of a bicycle and a locomotive, and is electrically connected to a first illuminating lamp and a second illuminating lamp, wherein the first illuminating lamp and the The second illuminating lamp is disposed on the bicycle and the locomotive, and the circuit comprises:  a central processing unit;  a multi-axis sensing unit electrically connected to the central processing unit for sensing the tilting direction and the tilting angle of the steering mechanism and returning to the central processing unit;  a power supply unit electrically connected to the central processing unit for supplying power to the lamp dimming circuit;  a driving circuit electrically connected to the central processing unit for driving the first illuminating lamp and the second illuminating device to emit light;  a dimming circuit unit electrically connected to the driving circuit and comprising a first dimming circuit and a second dimming circuit, wherein the first dimming circuit and the second dimming circuit are respectively associated with the first lighting device and The second illuminating lamp is electrically connected, and receives the tilting direction and the tilting angle to adjust a brightness ratio of the first illuminating lamp and the second illuminating lamp according to the tilting direction and the tilting angle.  

According to the tilt direction and the tilt angle of the two-wheeled vehicle, the illuminating lamp that adjusts the turning direction through the dimming circuit unit adjusts the brightness ratio according to the tilt angle, and illuminates the turning position when the locomotive or the bicycle enters the curve and tilts, so that Driving can see the road conditions in the corners early and confirm whether it can pass safely and increase driving safety.

Referring to FIG. 1 , the present invention is a vehicle lamp dimming circuit A, which can be electrically connected to a first lighting fixture 51. The vehicle lamp dimming circuit A is disposed on a steering mechanism 90 of a locomotive or bicycle, wherein the steering mechanism is provided. The 90 can be a locomotive, a bicycle faucet or a handle, and the first illuminating lamp 51 can be an auxiliary lamp that is additionally attached to the locomotive and the bicycle. Referring to FIG. 2 , the present invention includes a central processing unit 10 , a multi-axis sensing unit 20 , a power supply unit 30 , a dimming circuit unit 40 , and a driving circuit 60 .

In this embodiment, the central processing unit 10 is a microprocessor.

The multi-axis sensing unit 20 is electrically connected to the central processing unit 10. The multi-axis sensing unit 20 includes a gyroscope to sense an inclination direction of the steering mechanism 90 and an inclination angle θ, and transmits the inclination direction and the inclination angle θ to the central processing unit 10. In a preferred embodiment, the multi-axis sensing unit 20 is a six-axis inductor.

The power supply unit 30 is electrically connected to the central processing unit 10 for supplying power to the circuit. In a preferred embodiment, the power supply unit 30 is a battery.

The drive circuit 60 is electrically connected to the central processing unit 10.

The dimming circuit unit 40 is electrically connected to the driving circuit 60. The dimming circuit unit 40 can include at least one dimming circuit, and each dimming circuit can be electrically connected to a lighting fixture for adjusting each of the lighting fixtures. Brightness ratio. In the preferred embodiment of the present invention, the dimming circuit unit 40 includes a first dimming circuit 41 and a second dimming circuit 42. The first dimming circuit 41 is connectable to the first lighting fixture 51. The second dimming circuit 42 can be connected to a second illuminating lamp 52. The first illuminating lamp 51 and the second illuminating lamp 52 can be a single illuminating diode lamp or a matrix illuminating diode lamp. The first illuminating illuminator 51 can be a left illuminating illuminator, and the second illuminating illuminating device 52 can be an auxiliary illuminating lamp that is additionally attached to a locomotive or a bicycle.

According to the above circuit structure, the brightness of the illuminating lamp can be adjusted according to the angle of the bicycle/locomotive turning when the bicycle is turned, and the actual use situation of the new type A is illustrated by the following steps.

Referring to FIG. 3, the present invention A is activated first. In the initial stage, the novel A is in a standby state, and the first illuminating lamp 51 and the second illuminating lamp 52 are not illuminated.

When the present invention A moves, the multi-axis sensing unit 20 starts detecting the tilting direction and the tilting angle θ of the steering mechanism 90.

S10: When the multi-axis sensing unit 20 detects that the steering mechanism 90 is tilted to the left or right of the driving direction, the process proceeds to step S20; when the multi-axis sensing unit 20 does not detect that the steering mechanism 90 is tilted, the Standby phase.

S20: The multi-axis sensing unit 20 detects the tilting direction and the tilting angle θ of the steering mechanism 90, and transmits the detected tilting direction and the tilting angle θ to the central processing unit 10.

S30: The central processing unit 10 converts the corresponding dimming brightness ratio according to the tilt direction and the tilt angle θ, and transmits the dimming brightness ratio to the dimming circuit unit 40 through the driving circuit 60, and the driving circuit 60 Driving the dimming circuit unit 40 to illuminate the first illuminating lamp 51 or the second illuminating device 52, and adjusting the first illuminating device 51 or the second by using the first dimming circuit 41 or the first dimming circuit 42 The brightness of the illuminating fixture 52. When the multi-axis sensing unit 20 senses that the tilt angle to the left or the right is between 0 and 30 degrees, the dimming circuit unit adjusts the brightness ratio of the first illuminating device 51 or the second illuminating device 52. Between 0% and 100~.

Wherein, when the tilt direction is to the left, the correspondence between the tilt angle θ and the dimming luminance ratio of the first illuminating lamp 51 is as follows:  slope  First illuminating lamp  0<θ<=5  5%  5<θ<=10  25%  10<θ<=15  50%  15<θ<=20  75%  20<θ<=30  100%  

When the tilt angle θ measured by the multi-axis sensing unit 20 is 0 to 5 degrees to the left, the first dimming circuit 41 adjusts the luminance ratio of the first light-emitting fixture 51 to 5%.

When the tilt angle θ measured by the multi-axis sensing unit 20 is inclined to the left by 5 to 10 degrees, the first dimming circuit 41 adjusts the brightness ratio of the first light-emitting fixture 51 to 25%.

When the tilt angle θ measured by the multi-axis sensing unit 20 is inclined to the left by 10 to 15 degrees, the first dimming circuit 41 adjusts the luminance ratio of the first light-emitting fixture 51 to 50%.

When the tilt angle θ measured by the multi-axis sensing unit 20 is inclined to the left by 15 to 20 degrees, the first dimming circuit 41 adjusts the brightness ratio of the first light-emitting fixture 51 to 75%.

When the tilt angle θ measured by the multi-axis sensing unit 20 is inclined to the left by 20 to 30 degrees, the first dimming circuit 41 adjusts the luminance ratio of the first light-emitting fixture 51 to 100%.

When the tilt direction is to the right, the correspondence between the tilt angle θ and the dimming luminance ratio of the second illuminating lamp 52 is as follows:  slope  Second illuminating lamp  0<θ<=5  5%  5<θ<=10  25%  10<θ<=15  50%  15<θ<=20  75%  20<θ<=30  100%  

When the multi-axis sensing unit 20 measures that the steering mechanism 90 is tilted to the right, the second dimming circuit 42 is controlled to adjust the brightness ratio of the second illuminating lamp 52, and the brightness ratio tilted to the right is the same as the tilt to the left. I will not go into details here.

10‧‧‧Central Processing Unit

20‧‧‧Multi-axis sensing unit

30‧‧‧Power supply unit

40‧‧‧ dimming circuit unit

41‧‧‧First dimming circuit

42‧‧‧Second dimming circuit

51‧‧‧First light fixture

52‧‧‧Second light fixture

60‧‧‧ drive circuit

90‧‧‧ steering mechanism

Θ‧‧‧ tilt angle

Figure 1: Schematic diagram of the use of the present invention.  Figure 2: Block diagram of the circuit of the present invention.  Figure 3: Flow chart of the steps of the present invention.  

Claims (8)

A lamp dimming circuit is disposed on a steering mechanism of a bicycle and a locomotive, and is electrically connected to a first illuminating lamp and a second illuminating lamp, wherein the first illuminating lamp and the second illuminating lamp are disposed on the bicycle On the locomotive, the circuit contains:  a central processing unit;  a multi-axis sensing unit electrically connected to the central processing unit for sensing the tilting direction and the tilting angle of the steering mechanism and returning to the central processing unit;  a power supply unit electrically connected to the central processing unit for supplying power to the lamp dimming circuit;  a driving circuit electrically connected to the central processing unit for driving the first illuminating lamp and the second illuminating device to emit light;  a dimming circuit unit electrically connected to the driving circuit and comprising a first dimming circuit and a second dimming circuit, wherein the first dimming circuit and the second dimming circuit are respectively associated with the first lighting device and The second illuminating lamp is electrically connected, and receives the tilting direction and the tilting angle to adjust a brightness ratio of the first illuminating lamp and the second illuminating lamp according to the tilting direction and the tilting angle.   The lamp light dimming circuit according to claim 1, wherein the dimming circuit unit adjusts the first light emitting lamp when the multi-axis sensing unit senses that the tilt angle to the left or the right is between 0 and 30 degrees. Or the corresponding brightness ratio of the second illuminating lamp is between 0% and 100%. The lamp dimming circuit according to claim 2, wherein the first dimming circuit adjusts the first angle when the tilt angle measured by the multi-axis sensing unit is greater than 0 degrees and less than or equal to 5 degrees The brightness ratio of a luminaire is 5%;  When the tilt angle measured by the multi-axis sensing unit is greater than 0 degrees and less than or equal to 5 degrees, the second dimming circuit adjusts the brightness ratio of the second illuminating device to 5%.   The lamp dimming circuit according to claim 2, wherein the first dimming circuit adjusts the first angle when the tilt angle measured by the multi-axis sensing unit is greater than 5 degrees and less than or equal to 10 degrees The brightness ratio of a luminaire is 25%;  When the tilt angle measured by the multi-axis sensing unit is inclined to the right by more than 5 degrees and less than or equal to 10 degrees, the second dimming circuit adjusts the brightness ratio of the second illuminating lamp to 25%.   The lamp dimming circuit according to claim 2, wherein the first dimming circuit adjusts the first angle when the tilt angle measured by the multi-axis sensing unit is greater than 10 degrees and less than or equal to 15 degrees The brightness ratio of a luminaire is 50%;  When the tilt angle measured by the multi-axis sensing unit is inclined to the right by more than 10 degrees and less than or equal to 15 degrees, the second dimming circuit adjusts the brightness ratio of the second illuminating device to 50%.   The lamp dimming circuit according to claim 2, wherein the first dimming circuit adjusts the first when the tilt angle measured by the multi-axis sensing unit is inclined to the left by an angle greater than 15 degrees and less than or equal to 20 degrees The brightness ratio of an illuminating lamp is 75%;  When the tilt angle measured by the multi-axis sensing unit is inclined to the right by more than 15 degrees and less than or equal to 20 degrees, the second dimming circuit adjusts the brightness ratio of the second illuminating device to 75%.   The lamp dimming circuit according to claim 2, wherein the first dimming circuit adjusts the first angle when the tilt angle measured by the multi-axis sensing unit is inclined to the left by an angle greater than 20 degrees and less than or equal to 30 degrees The brightness ratio of an illuminating lamp is 75%;  When the tilt angle measured by the multi-axis sensing unit is inclined to the right by more than 20 degrees and less than or equal to 30 degrees, the second dimming circuit adjusts the brightness ratio of the second illuminating lamp to be 75%.   The lamp dimming circuit according to any one of claims 1 to 7, wherein the multi-axis sensing unit is a six-axis sensor.