CN211321555U

CN211321555U - A carousel operating circuit for adjusting flashlight mode and luminance

Info

Publication number: CN211321555U
Application number: CN201922025866.9U
Authority: CN
Inventors: 何广洲; 顾晓东
Original assignee: Shenzhen Olight eCommerce Technology Co Ltd
Current assignee: Aolei Technology Group Co ltd; Zhongshan Aolei Technology Co ltd
Priority date: 2019-11-21
Filing date: 2019-11-21
Publication date: 2020-08-21
Anticipated expiration: 2029-11-21

Abstract

The utility model relates to a carousel operating circuit for adjusting flashlight mode and luminance, including main PCB board and flashlight machinery body, install MCU treater, 3D magnetism position sensor, LED drive circuit on the main PCB board, MCU treater and 3D magnetism position sensor, LED drive circuit electric connection illumination LED; and the upper part of the 3D magnetic position sensor is provided with a magnet, and the magnet is connected with the turntable through a main shaft. The utility model discloses a function of rotatory light modulation and rotation regulation mode for the operation is got up more succinctly convenient. By adopting the 3D magnetic position sensor technology, the sensor is not in contact with mechanical parts, the reliability of the product is greatly improved, and the problem that the long-term loss and the service life are limited due to the adoption of pure mechanical operation in the prior art is solved.

Description

A carousel operating circuit for adjusting flashlight mode and luminance

Technical Field

The utility model belongs to the technical field of flashlight control circuit, a carousel operating circuit for adjusting flashlight mode and luminance is related to.

Background

The common flashlight adopts an incremental encoder to realize stepless brightness adjustment of the flashlight and uses a key to switch different modes. When the switching of the starting function or the mode is realized by rotating the turntable by a certain angle, the switching cannot be realized, and the service life of a mechanical encoder is limited.

Disclosure of Invention

An object of the utility model is to prior art not enough, provide a carousel operating circuit for adjusting flashlight mode and luminance, solve current flashlight carousel and can not realize start function or mode switch through rotatory certain angle, realize the short-lived problem through mechanical operation.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a rotary table operation circuit for adjusting a flashlight mode and brightness comprises a main PCB and a flashlight mechanical body, wherein an MCU (microprogrammed control unit) processor, a 3D (three-dimensional) magnetic position sensor, an LED (light-emitting diode) indicator lamp and an LED drive circuit are mounted on the main PCB, the MCU processor is electrically connected with the 3D magnetic position sensor and the LED drive circuit, and the LED drive circuit is electrically connected with an illuminating LED; the upper part of the 3D magnetic position sensor is provided with a magnet, and the magnet is connected with the turntable through a main shaft; the front part of the flashlight mechanical body is provided with an illuminating LED, the tail part of the flashlight mechanical body is provided with a tail button module, a power supply module is arranged in the barrel of the flashlight mechanical body, and the power supply module, the tail button module and the LED indicator lamp are all electrically connected with the MCU processor.

Preferably, the 3D magnetic position sensor model number is TLV493D and is located on the PCB below the side of the turntable.

Preferably, the MCU processor model is PIC16F 1824.

Preferably, the model of the LED driving circuit is SC 8329.

Preferably, the power module is a lithium battery.

Preferably, the LED indicator light is an indicator light with three colors of red, green and blue.

The utility model has the advantages that:

the utility model discloses adopt the encoder to conventional mobile lighting device and only can rotate electrodeless adjusting luminance, can not compatible both can rotate adjust luminance and can rotate certain angle modulation mode or realize the solution of start. The technology that adopts magnet and 3D magnetism position sensor to combine together, when pressing the carousel, the magnetic field intensity of Z axle direction can change, can realize the button function. Through clockwise or anticlockwise rotation driver plate, 3D magnetism position sensor can detect the change of X axle and Y axle's magnetic field intensity to can calculate the angle that the rotatory driver plate rotated, just so realized the function of rotatory dimming and rotation regulation mode, make the operation more succinct convenient. By adopting the 3D magnetic position sensor technology, the sensor is not in contact with mechanical parts, the reliability of the product is greatly improved, and the problem that the long-term loss and the service life are limited due to the adoption of pure mechanical operation in the prior art is solved.

Drawings

FIG. 1 is a schematic block circuit diagram of the present invention;

FIG. 2 is a schematic diagram of the MCU processor and the driving circuit of the present invention;

fig. 3 is a schematic diagram of the magnetic sensor circuit of the present invention;

FIG. 4 is a schematic circuit diagram of the rear button module of the present invention;

FIG. 5 is a schematic diagram of the circuit of the indicator light of the present invention;

fig. 6 is a schematic diagram of an LED driving circuit of the present invention;

FIG. 7 is a schematic diagram of the three-dimensional principle of the mode and brightness adjusting structure of the present invention;

FIG. 8 is a schematic diagram of the mode and brightness adjustment structure profile principle of the present invention;

fig. 9 is a schematic view of each rotation angle of the mode and brightness adjusting structure magnet according to the present invention.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as fixed or detachable connections or as an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

As shown in fig. 1-9, a turntable operating circuit for adjusting a flashlight mode and brightness comprises a main PCB (printed circuit board) 7 and a flashlight mechanical body, wherein an MCU (microprogrammed control unit) processor 1, a 3D magnetic position sensor 2 and an LED driving circuit 6 are mounted on the main PCB 7, the MCU processor 1 is electrically connected with the 3D magnetic position sensor 2, an LED indicator lamp 5 and the LED driving circuit 6, and the LED driving circuit 6 is electrically connected with an illumination LED; the upper part of the 3D magnetic position sensor 2 is provided with a magnet 8, and the magnet 8 is connected with the turntable through a main shaft 9; the front part of the flashlight mechanical body is provided with an illumination LED, the tail part of the flashlight mechanical body is provided with a tail button module 4, a power supply module 3 is arranged in the barrel of the flashlight mechanical body, and the power supply module 3, the tail button module 4 and the LED indicator lamp 5 are all electrically connected with the MCU processor 1.

The model number of the 3D magnetic position sensor 2 is TLV493D, and the 3D magnetic position sensor is located on the PCB below the side face of the turntable. MCU processor 1 is model PIC16F 1824. The LED drive circuit 6 is SC 8329. The power module 3 is a lithium battery. The LED indicator lamp 5 is an indicator lamp with three colors of red, green and blue.

The working principle is as follows:

the utility model discloses be applied to the mobile lighting device field, control circuit part design schematic diagram is shown as figure 1-6. Fig. 7 and 8 are schematic diagrams illustrating the mode and brightness adjustment structure. The main shaft 9 connected with the flashlight turntable is provided with a magnet 8, and a main board and a side board of the 3D magnetic position sensor 2 (on the side panel) are arranged on a main PCB 7 arranged at the lower part of the magnet 8 and are connected through FPC lines. The flashlight is acquiescent to be in a shutdown mode, the rotating turntable rotates 180 degrees in any direction, the main shaft 9 rotates along with the rotation of the turntable, the magnet 8 arranged on the main shaft 9 also rotates, the U11 (the 3D magnetic position sensor TLV493D) detects that the magnetic field intensity of the X axis and the Y axis changes 180 degrees, signals are transmitted to the MCU through the SDA and the SCL according to the IIC protocol, the MCU controls the red LED2A to flicker 3S to extinguish through the LEDR signal, and startup is completed. By pressing the dial, the spindle 9 moves downward with the pressing of the dial, and the magnet 8 mounted on the spindle 9 also moves downward, so that the U11 detects the change of the Z-axis magnetic force intensity (the pressed signal is used as a key function), the signal is transmitted to the MCU through the SDA and the SCL, the MCU controls the LED r, the LED g and the LED b to light the red-green-blue light (representing entering mode selection), and at this time, the dial is rotated to make the magnet and the U11 at 0 degrees, 90 degrees, 180 degrees and 270 degrees to select different modes (as shown in fig. 9), and the mode selection is accompanied by the indication of LEDs with different colors. After the mode required by the user is selected, the dial is pressed until the indicator lamp is turned off, and the user selects the mode desired by the user. When the tail KEY module 4 (shown in fig. 4) of the flashlight is pressed, the value of the circuit KEY _ AD signal changes and is transmitted to the MCU, and the MCU enables the EN signal through signal processing to light the LED. Then the turntable is rotated clockwise, the U11 detects that the rotation angle becomes larger gradually, signals are transmitted to the MCU through the SDA and the SCL, and the MCU controls the change of the PWM signals through the processing of the signals to adjust the brightness of the LED to be higher. Rotating the turntable anticlockwise, the U11 detects that the rotation angle becomes smaller gradually, signals are transmitted to the MCU through the SDA and the SCL, and the MCU controls the change of the PWM signals through the processing of the signals to adjust the brightness of the LED down. The other modes operate the same.

The above-mentioned embodiments are only one of the preferred embodiments of the present invention, and the ordinary changes and substitutions performed by those skilled in the art within the technical scope of the present invention should be included in the protection scope of the present invention.

Claims

1. A carousel operating circuit for adjusting flashlight mode and luminance which characterized in that: the flashlight comprises a main PCB (7) and a flashlight mechanical body, wherein an MCU (microprogrammed control unit) processor (1), a 3D magnetic position sensor (2), an LED indicator lamp (5) and an LED driving circuit (6) are mounted on the main PCB (7), the MCU processor (1) is electrically connected with the 3D magnetic position sensor (2) and the LED driving circuit (6), and the LED driving circuit (6) is electrically connected with an illuminating LED; a magnet (8) is arranged at the upper part of the 3D magnetic position sensor (2), and the magnet (8) is connected with the turntable through a main shaft (9); the flashlight is characterized in that the front portion of the flashlight mechanical body is provided with an illumination LED, the tail portion of the flashlight mechanical body is provided with a tail key module (4), a power supply module (3) is arranged in the barrel of the flashlight mechanical body, and the power supply module (3), the tail key module (4) and the LED indicator lamp (5) are all electrically connected with the MCU processor (1).

2. A dial operating circuit for adjusting flashlight mode and brightness according to claim 1, wherein: the 3D magnetic position sensor (2) is TLV493D in model number and is located on the PCB below the side face of the turntable.

3. A dial operating circuit for adjusting flashlight mode and brightness according to claim 1, wherein: the model of the MCU processor (1) is PIC16F 1824.

4. A dial operating circuit for adjusting flashlight mode and brightness according to claim 1, wherein: the LED driving circuit (6) is SC8329 in model.

5. A dial operating circuit for adjusting flashlight mode and brightness according to claim 1, wherein: the power module (3) is a lithium battery.

6. A dial operating circuit for adjusting flashlight mode and brightness according to claim 1, wherein: the LED indicator light (5) is an indicator light with three colors of red, green and blue.