Optical communication control system and LED lamp

Abstract

The invention provides an optical communication control system and an LED lamp, the control system comprises a PCB, a light emitting unit and a light receiving unit, the light emitting unit and the light receiving unit are arranged on the PCB, and the light emitting unit is connected with one or more light receiving units through a light guide channel; the LED lamp comprises a lamp bead and a controller used for controlling the lamp bead, and the controller is the light receiving unit. One light emitting unit and one or more communication node light receiving units form a control system, light communication is utilized, light attenuation is reduced, the number of communication nodes can not be limited, the refresh rate is high, and the use cost is low.

Description

Technical Field

[0001] The present invention relates to the field of optical communication technology, and in particular to an optical communication control system and an LED lamp. Background Art

[0002] In market applications, it is common to see a system consisting of multiple LED lamp beads that needs to realize independent control of a single pixel. Since the dot matrix scanning method requires more control lines, a dedicated ASIC control method is usually adopted; the connection method is to connect the two ends of the LED lamp bead of each pixel to the dedicated control ASIC, and then the dedicated ASIC is connected to the main control through the bus to receive the control signal.

[0003] Since the common communication methods of dedicated ASICs are currently transmitted through electrical signals, these methods require at least one control line, and there are problems such as limited number of nodes, insufficient refresh rate or high cost.

[0004] Therefore, it is necessary to design an optical communication control system and an LED lamp to solve the above problems. Summary of the invention

[0005] The present invention provides an optical communication control system and an LED lamp, which are used to solve the technical problems mentioned in the above background technology.

[0006] To solve the above problems, the present invention provides the following technical solutions: an optical communication control system, comprising a PCB board and a light emitting unit and a light receiving unit arranged on the PCB board, wherein the light emitting unit is connected to one or more light receiving units through a light guiding channel.

[0007] Furthermore, a light shielding layer is provided outside the light guiding channel.

[0008] Furthermore, the light receiving unit is arranged on the surface of the PCB board, a PCB through hole is arranged in the depth of the PCB board, the light guiding channel is arranged at the bottom of the PCB board, and each of the light receiving units is connected to the light guiding channel through the PCB through hole.

[0009] Furthermore, a convex lens is provided at the corner between the PCB through hole and the light guiding channel.

[0010] Furthermore, a light guiding medium is laid in the light guiding channel.

[0011] Furthermore, the light-guiding medium is made of a transparent light-guiding material.

[0012] The present invention also discloses an LED lamp, comprising a lamp bead and a controller for controlling the lamp bead, wherein the controller is the light receiving unit mentioned above.

[0013] Furthermore, a first light-transmitting hole is provided below the controller, and the first light-transmitting hole is the above-mentioned PCB through hole, and is used for receiving the signal of the light emitting unit.

[0014] Furthermore, a second light-transmitting hole is provided on one side of the lamp bead, and the second light-transmitting hole sends the optical signal to the control system to realize communication response.

[0015] Compared with the prior art, the present invention has at least the following beneficial effects:

[0016] The present invention comprises a light emitting unit and one or more communication node light receiving units to form a control system, which utilizes optical communication to reduce light attenuation. The number of communication nodes can be unlimited, and the refresh rate is high and the use cost is low. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0018] Figure 1 is a front cross-sectional view of an optical communication control system according to an embodiment of the present invention;

[0019] Figure 2 is a top view of an optical communication control system according to an embodiment of the present invention;

[0020] Figure 3 is a top view of an LED lamp in an embodiment of the present invention;

[0021] Figure 4 4 is a bottom view of the LED lamp in the embodiment of the present invention. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work belong to the protection scope of the present invention. It is understood that the drawings are only provided for reference and explanation, and are not used to limit the present invention.

[0023] The invention discloses an optical communication control system, which is used to solve the technical problems caused by electrical signal connection in the prior art.

[0024] For details, please refer to Figure 1 and Figure 2, comprising a PCB board 100 and a light emitting unit 201 and a light receiving unit 202 arranged on the PCB board 100, wherein the light emitting unit 201 is connected to one or more light receiving units 202 through a light guide channel 101; the PCB board 100 serves as a carrier of the light emitting unit 201 and the light receiving unit 202;

[0025] In this embodiment, a light guiding medium (not shown in the figure) is laid in the light guiding channel 101, and the light guiding medium is made of a transparent light guiding material; the light guiding medium can be a polymer optical fiber, a glass optical fiber, a plastic optical fiber, a silicon-based optical waveguide, a conductive glass, etc.; the light guiding medium is used to transmit the optical signal, reduce the light attenuation, guide the light transmission direction, and ensure the transmission quality and transmission distance of the optical signal;

[0026] In addition, a light shielding layer 1011 is provided outside the light guide channel 101; the light shielding layer 1011 is used to prevent light from escaping and shield light interference, so that the system can achieve reliable data transmission with only a very small power light source;

[0027] like Figure 1 As shown, in this embodiment, the light receiving unit 202 is arranged on the surface of the PCB board, and the light receiving unit 202 is electrically connected to the LED lamp 300 to transmit the received signal to the LED lamp. A PCB through hole 102 is provided in the depth of the PCB board 100, and the light guide channel 101 is arranged at the bottom of the PCB board 100. Each light receiving unit 202 is connected to the light guide channel 101 through the PCB through hole 102, so that the optical signal can be accurately delivered to the light receiving unit 202.

[0028] Continue reading Figure 1 A convex lens 103 is provided at the corner between the PCB through hole 102 and the light guide channel 101. The convex lens 103 structure can enhance the optical signal and ensure the communication quality;

[0029] The optical communication control system design of this embodiment provides an efficient and reliable optical communication solution, which adopts a method of connecting one light source and multiple communication nodes, and is suitable for various occasions requiring high-speed and high-quality data transmission. This application can significantly improve the performance of the optical communication control system, including improving transmission efficiency, reducing signal attenuation and interference, and reducing the system's demand for light source power and reducing costs.

[0030] The present invention also discloses an LED lamp 300, such as Figure 3 and Figure 4 As shown, it includes a lamp bead 301 and a controller 302 for controlling the lamp bead 301, wherein the controller 302 is the light receiving unit 202 mentioned above; the light receiving unit 202 is responsible for receiving light signals and controlling the working state of the lamp bead 301 according to the received signals, such as switching, brightness adjustment, color change, etc.;

[0031] In this embodiment, a first light-transmitting hole 3001 is provided below the controller 302. The first light-transmitting hole 3001 is the above-mentioned PCB through hole 102, and is used to receive the signal of the light-emitting unit 201. The signal emitted by the light-emitting unit 201 enters the first light-transmitting hole 3001 after passing through the light-guiding channel 101.

[0032] In addition, a second light-transmitting hole 3002 is provided on one side of the lamp bead 301, and the second light-transmitting hole 3002 transmits the optical signal to the control system for transmitting the optical signal. In this embodiment, the second light-transmitting hole 3002 guides the optical signal of the lamp bead 301 to the control system, thereby realizing communication response.

[0033] By integrating optical communication technology, this LED lamp can achieve more flexible and intelligent control methods, such as:

[0034] Smart home control: In the smart home system, light signals are used to control the color and brightness of LED lights to achieve scene-based lighting.

[0035] Car atmosphere lighting: In the smart cockpit system, light signals are used to control the color and brightness of LED lights to achieve scene applications, such as flowing lights, music rhythms, ADAS warnings and other functions.

[0036] In the specification and claims of the present application, the words "include / comprise" and the words "have / include" and their variations are used to specify the existence of stated features, values, steps or components, but do not exclude the existence or addition of one or more other features, values, steps, components or combinations thereof.

[0037] Some features of the present invention are described in different embodiments for clarity of description, however, these features may also be described in combination in a single embodiment. Conversely, some features of the present invention are described in only a single embodiment for brevity, however, these features may also be described in different embodiments alone or in any suitable combination.

[0038] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An optical communication control system, characterized in that: The invention comprises a PCB board and a light emitting unit and a light receiving unit arranged on the PCB board. The light emitting unit is connected with one or more light receiving units through a light guiding channel.

2. The optical communication control system according to claim 1, characterized in that: A light shielding layer is also arranged outside the light guiding channel.

3. The optical communication control system according to claim 1, characterized in that: The light receiving unit is arranged on the surface of the PCB board, a PCB through hole is arranged in the depth of the PCB board, the light guide channel is arranged at the bottom of the PCB board, and each of the light receiving units is connected to the light guide channel through the PCB through hole.

4. The optical communication control system according to claim 3, characterized in that: A convex lens is provided at a corner between the PCB through hole and the light guiding channel.

5. The optical communication control system according to any one of claims 1 to 4, characterized in that: A light guiding medium is laid in the light guiding channel.

6. The optical communication control system according to claim 5, characterized in that: The light-guiding medium is made of a transparent light-guiding material.

7. An LED lamp, comprising a lamp bead and a controller for controlling the lamp bead, characterized in that: The controller is a light receiving unit as described in any one of claims 1 to 6.

8. The LED lamp according to claim 7, characterized in that: A first light-transmitting hole is arranged below the controller, and the first light-transmitting hole is the PCB through hole as described in claim 3, and is used to receive the signal of the light emitting unit.

9. The LED lamp according to claim 8, characterized in that: A second light-transmitting hole is provided on one side of the lamp bead, and the second light-transmitting hole sends the optical signal to the control system to realize communication response.

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