CN217643793U - LED optical fiber light source device - Google Patents

Abstract

The utility model discloses a LED optical fiber light source ware, including LED control circuit and two at least LED light source modules, each LED light source module includes an at least LED lamp pearl, and LED control circuit includes MCU unit and a plurality of lamp pearl drive circuit, and lamp pearl drive circuit is connected with LED lamp pearl with a pair of mode electricity, and the MCU unit includes a plurality of PWM interfaces, and the PWM interface is connected with lamp pearl drive circuit with a pair of mode electricity. The LED optical fiber light source device can effectively utilize the color change of each LED light source module to realize more various light effects.

Description

LED optical fiber light source device

Technical Field

The utility model relates to a LED light source technical field especially relates to a LED optical fiber light source ware.

Background

The LED optical fiber light source has the characteristics of low cost and less potential safety hazard, and can achieve excellent artistic effect, so that various traditional lighting modes are replaced in more and more fields (such as the field of automobile atmosphere lamps). The conventional LED fiber optic light sources on the market can be divided into a single-head light source (having only one fiber interface) or a double-head light source (having two fiber interfaces). Each optical fiber interface of the double-head light source device is correspondingly provided with an LED light source module for providing light source for the double-head light source device, each light source module is composed of LED lamp beads with three RGB light colors or four RGBW light colors, and different light effects can be provided through dimming and color mixing; however, in the control mode, the different LED light source modules are changed synchronously, so that the light source device cannot effectively utilize the color change of each LED light source module to realize more various light effects.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model aims to provide a LED optical fiber light source device, its color change that can effectively utilize each LED light source module realizes more various light effects.

The purpose of the utility model is realized by adopting the following technical scheme:

the utility model provides a LED optical fiber light source ware, includes LED control circuit and two at least LED light source modules, and each LED light source module includes an at least LED lamp pearl, LED control circuit includes MCU unit and a plurality of lamp pearl drive circuit, lamp pearl drive circuit with LED lamp pearl is connected with one-to-one mode electricity, the MCU unit includes a plurality of PWM interfaces, the PWM interface with lamp pearl drive circuit is connected with one-to-one mode electricity.

Further, the LED light source module comprises a red LED lamp bead, a green LED lamp bead and a blue LED lamp bead; or the LED light source module comprises a red LED lamp bead, a green LED lamp bead, a blue LED lamp bead and a white LED lamp bead.

Furthermore, the LED control circuit further comprises at least two voltage reduction ICs, the plurality of lamp bead driving circuits are divided into at least two groups, and each group of lamp bead driving circuits is electrically connected with one LED light source module and is also electrically connected with one voltage reduction IC.

Furthermore, the LED control circuit also comprises a Bluetooth communication module and/or a 433 wireless communication module which are electrically connected with the MCU unit.

Furthermore, the LED control circuit also comprises a voice control module electrically connected with the MCU unit.

Further, LED optical fiber light source ware still includes casing, control mainboard and lamp plate, the control mainboard is equipped with LED control circuit, the lamp plate is equipped with LED light source module, the control mainboard reaches the lamp plate all install in the casing.

Further, the casing is made for the aluminum product, the internal fixation of casing has the heat dissipation support of aluminium system, the heat dissipation support includes heating panel and the heat-conducting plate of being connected with the heating panel, the heating panel with the lamp plate pastes tightly, the heat-conducting plate with the inner wall of casing pastes tightly.

Further, the outer wall of the shell is formed with a plurality of grooves.

Furthermore, the heat conducting plate and the groove are respectively positioned on the corresponding positions of the inner wall and the outer wall of the shell.

Furthermore, the LED optical fiber light source device further comprises a motor, a shading turntable and at least two light gathering heads, wherein the motor, the shading turntable and the at least two light gathering heads are located in the shell, the light gathering heads are installed on the lamp panel at positions corresponding to the LED light source modules, the shading turntable is located on one side, away from the lamp panel, of the light gathering heads, the motor is located on one side, back to the shading turntable, of the lamp panel, and the motor is in transmission connection with the shading turntable.

Compared with the prior art, the beneficial effects of the utility model reside in that:

the utility model provides a LED optical fiber light source device, the PWM interface of its MCU unit is connected with lamp pearl drive circuit in a one-to-one way electricity, and lamp pearl drive circuit is connected with LED lamp pearl in a one-to-one way electricity again, therefore the MCU unit can realize independent control to each LED lamp pearl through each PWM interface, and then has also realized the independent control to each LED light source module; based on this control mode, this the utility model discloses a LED optical fiber light source ware can effectively utilize the color change of each LED light source module to realize more various light effect.

Drawings

Fig. 1 is a schematic structural diagram of an LED fiber light source according to an embodiment of the present invention;

FIG. 2 is a schematic diagram of the internal structure of the LED fiber optic luminaire shown in FIG. 1;

FIG. 3 is a view of the LED fiber optic luminaire of FIG. 1 from another perspective;

fig. 4 is a schematic structural view of a lamp panel of the LED optical fiber light source device shown in fig. 1;

FIG. 5 is a schematic structural diagram of a heat dissipation bracket of the LED fiber optic luminaire shown in FIG. 1;

FIG. 6 is a block diagram of the LED fiber optic luminaire of FIG. 1;

FIG. 7 is a circuit structure diagram of the MCU unit of the LED fiber light source device shown in FIG. 1;

FIG. 8 is a schematic structural diagram of a set of bead driving circuits of the LED fiber-optic luminaire shown in FIG. 1;

FIG. 9 is a schematic diagram of a circuit where a step-down IC of the LED fiber light source of FIG. 1 is located;

fig. 10 is a schematic structural diagram of a sound control module of the LED fiber light source device shown in fig. 1.

In the figure: 1. a housing; 10. an optical fiber interface; 11. a trench; 2. a control main board; 3. a lamp panel; 31. an LED light source module; 32. a light-gathering head; 4. a heat dissipation bracket; 41. a heat dissipation plate; 42. a heat conducting plate; 5. a motor; 6. a shading rotary disc.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that the embodiments or technical features described below can be arbitrarily combined to form a new embodiment without conflict.

Refer to fig. 1-10. The embodiment of the utility model provides a LED optical fiber light source ware. Referring to fig. 1-5, the LED fiber optic luminaire has at least two fiber optic interfaces 10, and each fiber optic interface 10 corresponds to one LED light source module 31 for providing light thereto, that is, the LED fiber optic luminaire has at least two LED light source modules 31. The optical fiber interface 10 is used for connecting with an optical fiber coupling head (prior art) for connecting a plurality of optical fibers. Particularly, this LED optical fiber light source ware includes casing 1, control mainboard 2 and is equipped with two at least LED light source module 31's lamp plate 3, and control mainboard 2 and lamp plate 3 are all installed in casing 1.

In order to facilitate heat dissipation, the design can be adopted as follows: referring to fig. 2, 3 and 5, the housing 1 is made of aluminum, the aluminum heat dissipation bracket 4 is fixed in the housing 1, the heat dissipation bracket 4 includes a heat dissipation plate 41 and a heat conduction plate 42 connected to the heat dissipation plate 41, the heat dissipation plate 41 is attached to the lamp panel 3, and the heat conduction plate 42 is attached to the inner wall of the housing 1. Through such design can effectively conduct the heat of lamp plate 3 to casing 1 through heat dissipation support 4, utilize casing 1 to dispel the heat, effectively improve LED optical fiber light source device's heat dispersion.

Preferably, a plurality of grooves 11 are formed on the outer wall of the housing 1, and the grooves 11 are used to facilitate holding the light source device by hand, and increase the heat dissipation area of the housing 1 to improve the heat dissipation efficiency.

Preferably, the heat-conducting plate 42 and the groove 11 are respectively located at the corresponding positions of the inner wall and the outer wall of the shell; so set up, can further promote the radiating efficiency on the position of the slot 11 of the direct conduction of heat that produces the lamp plate 3 to casing 1.

Particularly, the LED optical fiber light source device further comprises a motor 5, a shading rotary table 6 and at least two light gathering heads 32, wherein the motor 5, the shading rotary table 6 and the at least two light gathering heads 32 are located in the shell 1, the light gathering heads 32 are installed on the positions, corresponding to the LED light source modules 31, of the lamp panel 3, the shading rotary table 6 is located on one side, away from the lamp panel, of the light gathering heads 32, the motor 5 is located on one side, back to the shading rotary table 6, of the lamp panel 3, and the motor 5 is in transmission connection with the shading rotary table 6. Specifically, the motor 5 may be fixedly mounted on a side of the heat dissipation plate 41 opposite to the lamp panel 3.

Referring to fig. 6-10, specific circuit structures of the LED fiber optic light source are shown. The LED optical fiber light source device comprises an LED control circuit arranged on a control main board 2; each LED light source module 31 comprises at least one LED lamp bead, the LED control circuit comprises an MCU unit and a plurality of lamp bead driving circuits, the lamp bead driving circuits are electrically connected with the LED lamp beads in a one-to-one mode, the MCU unit comprises a plurality of PWM interfaces, and the PWM interfaces are electrically connected with the lamp bead driving circuits in a one-to-one mode.

In the LED optical fiber light source device provided by the utility model, the PWM interface of the MCU unit is electrically connected with the lamp bead driving circuit in a one-to-one manner, and the lamp bead driving circuit is electrically connected with the LED lamp beads in a one-to-one manner, so that the MCU unit can realize independent control on each LED lamp bead through each PWM interface, and further realize independent control on each LED light source module; based on the control mode, the LED optical fiber light source device can effectively utilize the color change of each LED light source module to realize more various light effects.

Specifically, the LED light source module 31 may include a red LED lamp bead, a green LED lamp bead, and a blue LED lamp bead, that is, LED lamp beads with three light colors; or, the LED light source module may also include a red LED lamp bead, a green LED lamp bead, a blue LED lamp bead, and a white LED lamp bead, that is, four kinds of light-colored LED lamp beads are adopted. In this embodiment, each LED light source module can adopt LED lamp beads with three or four light colors; and one LED light source module can also adopt LED lamp beads with three light colors, and the other LED light source module adopts LED lamp beads with four light colors. Certainly, for each LED lamp bead forming each LED light source module, the light color does not need to be selected according to the method of this embodiment, and the designer can adopt the LED lamp bead corresponding to the light color according to actual requirements.

Particularly, the LED control circuit further comprises at least two voltage reduction ICs, the plurality of lamp bead driving circuits are divided into at least two groups, and each group of lamp bead driving circuits is electrically connected with one LED light source module and is also electrically connected with one voltage reduction IC.

Referring to fig. 7, the MCU unit of the LED fiber optic luminaire employs an STC8G2K32S4 chip; the LED light source module adopts red light LED lamp beads, green light LED lamp beads, blue light LED lamp beads and white light LED lamp beads; the lamp bead driving circuits corresponding to the lamp beads are shown in fig. 8; the step-down IC uses a CX8825 chip, and the circuit thereof is shown in FIG. 9. For the set of bulb driving circuits shown in fig. 8, a connector CON1 is correspondingly disposed, the set of bulb driving circuits are all connected to the connector CON1, the circuit where the voltage-reducing IC is located is also connected to the connector CON1, and the other end of the connector CON1 is connected to one of the LED light source modules. According to the circuit design, the LED lamp beads are driven by adopting a voltage reduction constant current mode. For the lamp bead driving circuits of other groups, the specific structure and the connection mode thereof can refer to fig. 8 as well; therefore, in the embodiment of the present invention, each light source module can achieve the dimming and color mixing of 0-255.

Specifically, the LED control circuit further comprises a Bluetooth communication module and/or a 433 wireless communication module which are electrically connected with the MCU. The Bluetooth communication module can adopt a BK3432 chip, the LED optical fiber light source device can be connected with a mobile phone of a user by arranging the Bluetooth communication module, the user can send an instruction to Bluetooth through a mobile phone APP, the Bluetooth forwards the instruction to the MCU unit, and the MUC unit controls each LED light source module according to the instruction; in addition, through setting up 433 wireless communication module, make user's accessible remote control board (light source trade company usually can support the remote control board to sell) send instruction information for 433 wireless communication module, 433 wireless communication module receives the instruction, then forwards to MCU unit, and MCU unit controls each LED light source module according to the instruction.

Specifically, the LED control circuit further includes a voice control module electrically connected to the MCU unit, and a circuit structure of the voice control module is shown in fig. 10; the MCU unit can read the data that the acoustic control module passed back, controls each LED light source module, reaches the dynamic light effect along with the sound change.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.

Claims (10)

1. An LED optical fiber light source device is characterized in that: including LED control circuit and two at least LED light source modules, each LED light source module includes an at least LED lamp pearl, LED control circuit includes MCU unit and a plurality of lamp pearl drive circuit, lamp pearl drive circuit with LED lamp pearl is connected with one-to-one mode electricity, the MCU unit includes a plurality of PWM interfaces, the PWM interface with lamp pearl drive circuit is connected with one-to-one mode electricity.

2. The LED fiber optic luminaire of claim 1, wherein: the LED light source module comprises a red LED lamp bead, a green LED lamp bead and a blue LED lamp bead; or the LED light source module comprises a red LED lamp bead, a green LED lamp bead, a blue LED lamp bead and a white LED lamp bead.

3. The LED fiber optic luminaire of claim 1, wherein: the LED control circuit further comprises at least two voltage reduction ICs, the plurality of lamp bead driving circuits are divided into at least two groups, and each group of lamp bead driving circuits is electrically connected with one LED light source module and is also electrically connected with one voltage reduction IC.

4. The LED fiber optic source of claim 1 wherein: the LED control circuit further comprises a Bluetooth communication module and/or a 433 wireless communication module which are electrically connected with the MCU.

5. The LED fiber optic luminaire of claim 1, wherein: the LED control circuit further comprises a voice control module electrically connected with the MCU.

6. The LED fiber optic luminaire of any one of claims 1-5, wherein: the LED optical fiber light source device further comprises a shell, a control mainboard and a lamp plate, wherein the control mainboard is provided with the LED control circuit, the lamp plate is provided with the LED light source module, and the control mainboard and the lamp plate are installed in the shell.

7. The LED fiber optic luminaire of claim 6, wherein: the casing is made for the aluminum product, the heat dissipation support of aluminium system is fixed with in the casing, the heat dissipation support includes the heating panel and the heat-conducting plate of being connected with the heating panel, the heating panel with the lamp plate pastes tightly, the heat-conducting plate with the inner wall of casing pastes tightly.

8. The LED fiber optic luminaire of claim 7, wherein: the outer wall of the shell is provided with a plurality of grooves.

9. The LED fiber optic luminaire of claim 8, wherein: the heat conducting plate and the groove are respectively positioned on the corresponding positions of the inner wall and the outer wall of the shell.

10. The LED fiber optic luminaire of claim 6, wherein: the LED optical fiber light source device further comprises a motor, a shading rotary disc and at least two light gathering heads, wherein the motor, the shading rotary disc and the at least two light gathering heads are located in the shell, the light gathering heads are installed at positions, corresponding to the LED light source modules, of the lamp panel, the shading rotary disc is located on one side, far away from the lamp panel, of the light gathering heads, the motor is located on one side, back to the shading rotary disc, of the lamp panel, and the motor is in transmission connection with the shading rotary disc.

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