Variable background lamp box

Abstract

The utility model discloses a variable background lamp box which comprises an RGB lamp bar module, the RGB lamp bar module comprises a plurality of RGB lamp bars, each RGB lamp bar is provided with a plurality of LED lamps, any three adjacent LED lamps form a lamp set, the sixth end of the first LED lamp of the lamp set is electrically connected with the fourth end of the second LED lamp of the lamp set, and the fifth end of the first LED lamp of the lamp set is electrically connected with the sixth end of the second LED lamp of the lamp set. The sixth end of the first LED lamp of the lamp set is electrically connected with the third end of the third LED lamp of the lamp set. The variable background lamp box disclosed by the utility model has the beneficial effects that a circuit structure electrically connected with the RGB lamp strip module is disclosed in detail, and based on the electrical connection combination between the RGB lamp strip module, the main control module and other circuits, the input of white, red, green and blue voltage signals is realized; the white, red, green and blue voltage signals are combined to form a variable background color in the visual angle effect.

Description

Technical Field

[0001] The utility model belongs to the field of light boxes, and in particular relates to a light box with a variable background. Background Art

[0002] The utility model patent with announcement number CN214476212U and subject name LED dynamic light box billboard has an IPC classification number G09F13 / 04. Its technical solution discloses "including a base 1, on which a light-emitting diode group 2 is provided. The light-emitting diode group 2 includes a multi-color light-emitting diode that can emit colorful light. The base 1 is snap-fitted with a frame mechanism 3. The frame mechanism 3 is fixed with a light diffusion layer 4 and an advertising image surface 5. The advertising image surface 5 is closely attached to the surface of the light diffusion layer 4. There are two situations for the connection relationship between the light diffusion layer 4 and the light-emitting diode group 2. In the first situation, the light diffusion layer 4 is integrally cast with the surface of the light-emitting diode group 2. The light diffusion layer 4 is cast on the surface of the light-emitting diode group 2 by an aliphatic polyurethane material containing a light diffusing agent. In the second situation, the light diffusion layer 4 is closely attached to the surface of the light-emitting diode group 2, and the light diffusion layer 4 is separately attached to the light-emitting diode group 2."

[0003] It can be seen that the above utility model patent has disclosed a light box with an RGB light bar module. However, the technical solution disclosed in the above utility model patent does not further disclose the circuit structure electrically connected to the RGB light bar module, which needs to be further improved. Utility Model Content

[0004] The utility model aims at the prior art, overcomes the above defects and provides a variable background light box.

[0005] The utility model adopts the following technical scheme, the variable background light box includes:

[0006] RGB light bar module, the RGB light bar module includes a plurality of RGB light bars, each RGB light bar has a plurality of LED lights, any three adjacent LED lights constitute a light group, the end 6 of the first LED light of the light group is electrically connected to the end 4 of the second LED light of the light group, and the end 6 of the first LED light of the light group is electrically connected to the end 3 of the third LED light of the light group;

[0007] The terminal 6 of the first LED lamp of one of any two adjacent lamp groups is electrically connected to the terminal 3 of the connector J1, and the terminal 6 of the first LED lamp of the other of any two adjacent lamp groups is electrically connected to the terminal 4 of the connector J1;

[0008] The circuit board is provided with a main control module, an RGB light bar interface module and a serial RGB light bar interface module, and the main control module is electrically connected to the RGB light bar interface module and the serial RGB light bar interface module respectively.

[0009] As a further preferred technical solution of the above technical solution, the main control module includes a microcontroller U3, and the RGB light bar interface module includes a connector J4, a connector J7, a power MOSFET chip Q5 and a power MOSFET chip Q9, wherein:

[0010] The drain of the power MOSFET chip Q5 is electrically connected to the terminal 5 of the connector J7, and the gate of the power MOSFET chip Q5 is electrically connected to the terminal 17 of the microcontroller U3 through the resistor R12; the drain of the power MOSFET chip Q9 is electrically connected to the terminal 5 of the connector J4, and the gate of the power MOSFET chip Q9 is electrically connected to the terminal 27 of the microcontroller U3 through the resistor R29;

[0011] The serial RGB light bar interface module includes a microcontroller U4, and a terminal 23 of the microcontroller U3 is electrically connected to a terminal 3 of the microcontroller U4 through a current limiting resistor R44.

[0012] As a further preferred technical solution of the above technical solution, the circuit board is also provided with a USB interface module, the main control module is electrically connected to the USB interface module, and the USB interface module includes a power MOSFET chip Q3, a power MOSFET chip Q4, a power MOSFET chip Q6, a power MOSFET chip Q7, a power MOSFET chip Q8 and a power MOSFET chip Q10, wherein:

[0013] Terminal 4 of connector J7 is electrically connected to the drain of power MOSFET chip Q6, and the gate of power MOSFET chip Q6 is electrically connected to terminal 16 of microcontroller U3 through resistor R16;

[0014] Terminal 3 of connector J7 is electrically connected to the drain of power MOSFET chip Q4, and the gate of power MOSFET chip Q4 is electrically connected to terminal 15 of microcontroller U3 through resistor R10;

[0015] Terminal 2 of connector J7 is electrically connected to the drain of power MOSFET chip Q3, and the gate of power MOSFET chip Q3 is electrically connected to terminal 14 of microcontroller U3 through resistor R8;

[0016] Terminal 4 of connector J4 is electrically connected to the drain of power MOSFET chip Q10, and the gate of power MOSFET chip Q10 is electrically connected to terminal 26 of microcontroller U3 through resistor R43;

[0017] Terminal 3 of connector J4 is electrically connected to the drain of power MOSFET chip Q8, and the gate of power MOSFET chip Q8 is electrically connected to terminal 38 of microcontroller U3 through resistor R26;

[0018] Terminal 2 of the connector J4 is electrically connected to the drain of the power MOSFET chip Q7 , and the gate of the power MOSFET chip Q7 is electrically connected to terminal 37 of the microcontroller U3 via the resistor R24 ​​.

[0019] As a further preferred technical solution of the above technical solution, the circuit board is further provided with a storage module, the main control module is electrically connected to the storage module, and the storage module includes a memory U5, wherein:

[0020] Terminal 1 of the memory U5 is electrically connected to terminal 33 of the microcontroller U3;

[0021] Terminal 2 of the memory U5 is electrically connected to terminal 35 of the microcontroller U3;

[0022] Terminal 5 of the memory U5 is electrically connected to terminal 36 of the microcontroller U3;

[0023] Terminal 6 of the memory U5 is electrically connected to terminal 34 of the microcontroller U3.

[0024] As a further preferred technical solution of the above technical solution, the circuit board is further provided with an upgrade interface module, the main control module is electrically connected to the upgrade interface module, and the upgrade interface module includes a wireless interface J3, wherein:

[0025] Terminal 1 of the wireless interface J3 is electrically connected to terminal 42 of the microcontroller U3 via a current limiting resistor R2;

[0026] Terminal 3 of the wireless interface J3 is electrically connected to terminal 43 of the microcontroller U3 via a current limiting resistor R3;

[0027] Terminal 5 of the wireless interface J3 is electrically connected to terminal 46 of the microcontroller U3 through a current limiting resistor R4;

[0028] Terminal 7 of the wireless interface J3 is electrically connected to terminal 49 of the microcontroller U3 through a current limiting resistor R5;

[0029] Terminal 9 of the wireless interface J3 is electrically connected to terminal 60 of the microcontroller U3 via a current limiting resistor R6.

[0030] The variable background light box disclosed by the utility model has the beneficial effect that a circuit structure electrically connected to the RGB light bar module is disclosed in detail, and based on the electrical connection combination between the RGB light bar module, the main control module and other circuits, the voltage signal input of four colors of white (WHITE), red (RED), green (GREEN) and blue (BLUE) is realized. The voltage signals of the four colors of white (WHITE), red (RED), green (GREEN) and blue (BLUE) are combined to form a variable background color in terms of viewing angle effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1 This is a partial circuit schematic diagram of the RGB light bar module of this application.

[0032] Figure 2 It is a circuit schematic diagram of the main control module of this application.

[0033] Figure 3 It is the circuit schematic diagram of the RGB light bar interface module of this application.

[0034] Figure 4 It is the circuit schematic diagram of the serial RGB light bar interface module of this application.

[0035] Figure 5 It is a circuit schematic diagram of the storage module of the present application.

[0036] Figure 6 It is a circuit schematic diagram of the USB interface module of the present application.

[0037] Figure 7 It is a circuit schematic diagram of the upgrade interface module of the present application.

[0038] Figure 8 It is a circuit schematic diagram of the sensor module of the present application.

[0039] Fig. 9 It is a circuit schematic diagram of the DC-DC module of the present application.

[0040] Fig.10 It is a circuit schematic diagram of the hardware reset module of the present application.

[0041] Fig.11 This is a partial circuit schematic diagram of the RGB light bar module of this application.

[0042] Fig.12 This is a partial circuit schematic diagram of the RGB light bar module of this application.

[0043] Fig.13 This is the main view of this application.

[0044] Fig.14 yes Fig.13A partial enlarged view of area A.

[0045] Fig.15 It is a top view of the present application.

[0046] Fig.16 yes Fig.15 A partial enlarged view of area B.

[0047] Fig.17 It is a bottom view of this application.

[0048] Fig.18 It is a stereogram from one viewing angle of this application.

[0049] Fig.19 It is a stereogram from another viewing angle of the present application.

[0050] The reference numerals include: 100 - RGB light bar module; 110 - RGB light bar; 120 - light group; 130 - LED light. DETAILED DESCRIPTION

[0051] The utility model discloses a variable background light box. The specific implementation manner of the utility model is further described below in conjunction with a preferred embodiment (embodiment 1).

[0052] Example 1.

[0053] See attached figure Figure 1-12 and Figure 13-19 , Figure 1-12 The RGB light bar module and the circuit structure electrically connected to the RGB light bar module are shown respectively. Figure 13-19 The variable background light boxes at various viewing angles are shown respectively.

[0054] Preferably, the variable background light box comprises:

[0055] The RGB light bar module 100 includes a plurality of RGB light bars 110, each of which has a plurality of LED lights 130 (for example, Fig.11LED 311 is one of the LED lights) (it should be noted that the LED lights 130 located in different RGB light strips 110 can also be connected end to end through cables to form a ring-shaped overall light strip), any three adjacent LED lights 130 constitute a (virtual) light group 120, the end 6 of the first LED light 130 of the light group 120 is electrically connected to the end 4 of the second LED light 130 of the light group 120, and the end 6 of the first LED light 130 of the light group 120 is electrically connected to the end 3 of the third LED light 130 of the light group 120 (equivalent to the first LED light 130 of the light group 120 0, the 4th terminal of the second LED lamp 130 of the lamp group 120, and the 3rd terminal of the third LED lamp 130 of the lamp group 120 have a common terminal); the 6th terminal of the first LED lamp 130 of one of any two adjacent lamp groups 120 is electrically connected to the 3rd terminal of the connector J1 (the 3rd terminal of the connector J1 can be replaced by the 3rd terminal of the connector J2), and the 6th terminal of the first LED lamp 130 of the other of any two adjacent lamp groups 120 is electrically connected to the 4th terminal of the connector J1 (the 4th terminal of the connector J1 can be replaced by the 4th terminal of the connector J2);

[0056] A circuit board (not shown in the figure) is provided with a main control module, an RGB light bar interface module and a serial RGB light bar interface module. The main control module is electrically connected to the RGB light bar interface module and the serial RGB light bar interface module respectively; so that voltage signals of four colors of white (WHITE), red (RED), green (GREEN) and blue (BLUE) are input, and the voltage signals of the four colors of white (WHITE), red (RED), green (GREEN) and blue (BLUE) are combined to form a variable background color on the viewing angle effect.

[0057] Among them, the main control module includes a microcontroller U3, and the RGB light bar interface module includes a connector J4, a connector J7, a power MOSFET chip Q5 and a power MOSFET chip Q9, wherein:

[0058] The drain of the power MOSFET chip Q5 is electrically connected to the terminal 5 of the connector J7, and the gate of the power MOSFET chip Q5 is electrically connected to the terminal 17 of the microcontroller U3 through the resistor R12; the drain of the power MOSFET chip Q9 is electrically connected to the terminal 5 of the connector J4, and the gate of the power MOSFET chip Q9 is electrically connected to the terminal 27 of the microcontroller U3 through the resistor R29;

[0059] The serial RGB light bar interface module includes a microcontroller U4, and a terminal 23 of the microcontroller U3 is electrically connected to a terminal 3 of the microcontroller U4 through a current limiting resistor R44.

[0060] The circuit board is also provided with a USB interface module, the main control module is electrically connected to the USB interface module, and the USB interface module includes a power MOSFET chip Q3, a power MOSFET chip Q4, a power MOSFET chip Q6, a power MOSFET chip Q7, a power MOSFET chip Q8 and a power MOSFET chip Q10, wherein:

[0061] Terminal 4 of connector J7 is electrically connected to the drain of power MOSFET chip Q6, and the gate of power MOSFET chip Q6 is electrically connected to terminal 16 of microcontroller U3 through resistor R16;

[0062] Terminal 3 of connector J7 is electrically connected to the drain of power MOSFET chip Q4, and the gate of power MOSFET chip Q4 is electrically connected to terminal 15 of microcontroller U3 through resistor R10;

[0063] Terminal 2 of connector J7 is electrically connected to the drain of power MOSFET chip Q3, and the gate of power MOSFET chip Q3 is electrically connected to terminal 14 of microcontroller U3 through resistor R8;

[0064] Terminal 4 of connector J4 is electrically connected to the drain of power MOSFET chip Q10, and the gate of power MOSFET chip Q10 is electrically connected to terminal 26 of microcontroller U3 through resistor R43;

[0065] Terminal 3 of connector J4 is electrically connected to the drain of power MOSFET chip Q8, and the gate of power MOSFET chip Q8 is electrically connected to terminal 38 of microcontroller U3 through resistor R26;

[0066] Terminal 2 of the connector J4 is electrically connected to the drain of the power MOSFET chip Q7 , and the gate of the power MOSFET chip Q7 is electrically connected to terminal 37 of the microcontroller U3 via the resistor R24 ​​.

[0067] The circuit board is also provided with a storage module, the main control module is electrically connected to the storage module, and the storage module includes a memory U5, wherein:

[0068] Terminal 1 of the memory U5 is electrically connected to terminal 33 of the microcontroller U3;

[0069] Terminal 2 of the memory U5 is electrically connected to terminal 35 of the microcontroller U3;

[0070] Terminal 5 of the memory U5 is electrically connected to terminal 36 of the microcontroller U3;

[0071] Terminal 6 of the memory U5 is electrically connected to terminal 34 of the microcontroller U3.

[0072] The circuit board is also provided with an upgrade interface module, the main control module is electrically connected to the upgrade interface module, and the upgrade interface module includes a wireless interface J3, wherein:

[0073] Terminal 1 of the wireless interface J3 is electrically connected to terminal 42 of the microcontroller U3 via a current limiting resistor R2;

[0074] Terminal 3 of the wireless interface J3 is electrically connected to terminal 43 of the microcontroller U3 via a current limiting resistor R3;

[0075] Terminal 5 of the wireless interface J3 is electrically connected to terminal 46 of the microcontroller U3 through a current limiting resistor R4;

[0076] Terminal 7 of the wireless interface J3 is electrically connected to terminal 49 of the microcontroller U3 through a current limiting resistor R5;

[0077] Terminal 9 of the wireless interface J3 is electrically connected to terminal 60 of the microcontroller U3 via a current limiting resistor R6.

[0078] The circuit board is also provided with a hardware reset module, a sensor module, and a DC-DC module, and the main control module is electrically connected to the hardware reset module, the sensor module, and the DC-DC module respectively.

[0079] Among them, the LED lamp preferably uses WS2815B.

[0080] Among them, the connector J1 preferably adopts 5569_1x4P_WV.

[0081] Among them, the connector J2 preferably adopts 5569_1x4P_WV.

[0082] Among them, the microcontroller U3 preferably adopts STM32F401.

[0083] Among them, the microcontroller U4 preferably adopts TXS0101.

[0084] Among them, the connector J4 is preferably HY_1X5AW.

[0085] Among them, the connector J7 preferably adopts HY_1X5AW.

[0086] Among them, the power MOSFET chip Q5 is preferably AO3416.

[0087] Among them, the power MOSFET chip Q9 preferably adopts AO3416.

[0088] Among them, the power MOSFET chip Q3 preferably adopts AO3416.

[0089] Among them, the power MOSFET chip Q4 preferably adopts AO3416.

[0090] Among them, the power MOSFET chip Q6 preferably adopts AO3416.

[0091] Among them, the power MOSFET chip Q7 preferably adopts AO3416.

[0092] Among them, the power MOSFET chip Q8 is preferably AO3416.

[0093] Among them, the power MOSFET chip Q10 preferably adopts AO3416.

[0094] Among them, the memory U5 preferably adopts GD25Q512.

[0095] Among them, the wireless interface J3 preferably adopts USB-1750-L1G.

[0096] Example 2.

[0097] Based on Example 1, Example 2 is an extension that can also change the shape and color of the RGB light bar module 100 to form light boxes of different colors; the data of the RGB light bar module 100 can also be updated through the USB interface module.

[0098] It is worth mentioning that the programs built into the microcontroller (for example, the program for combining four-color voltage signals) that may be involved in the utility model patent application should be regarded as prior art. The specific structure, working principle and possible control method and spatial layout method of these technical features can be selected according to the conventional methods in the field and should not be regarded as the inventive point of the utility model patent. The utility model patent will not be further elaborated.

[0099] For those skilled in the art, it is still possible to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A variable background light box, characterized in that: include: RGB light bar module, the RGB light bar module includes a plurality of RGB light bars, each RGB light bar has a plurality of LED lights, any three adjacent LED lights constitute a light group, the end 6 of the first LED light of the light group is electrically connected to the end 4 of the second LED light of the light group, and the end 6 of the first LED light of the light group is electrically connected to the end 3 of the third LED light of the light group; The terminal 6 of the first LED lamp of one of any two adjacent lamp groups is electrically connected to the terminal 3 of the connector J1, and the terminal 6 of the first LED lamp of the other of any two adjacent lamp groups is electrically connected to the terminal 4 of the connector J1; The circuit board is provided with a main control module, an RGB light bar interface module and a serial RGB light bar interface module, and the main control module is electrically connected to the RGB light bar interface module and the serial RGB light bar interface module respectively.

2. The variable background light box according to claim 1, characterized in that: The main control module includes a microcontroller U3, and the RGB light strip interface module includes a connector J4, a connector J7, a power MOSFET chip Q5, and a power MOSFET chip Q9, wherein: The drain of the power MOSFET chip Q5 is electrically connected to the terminal 5 of the connector J7, and the gate of the power MOSFET chip Q5 is electrically connected to the terminal 17 of the microcontroller U3 through the resistor R12; the drain of the power MOSFET chip Q9 is electrically connected to the terminal 5 of the connector J4, and the gate of the power MOSFET chip Q9 is electrically connected to the terminal 27 of the microcontroller U3 through the resistor R29; The serial RGB light bar interface module includes a microcontroller U4, and a terminal 23 of the microcontroller U3 is electrically connected to a terminal 3 of the microcontroller U4 through a current limiting resistor R44.

3. The variable background light box according to claim 2, characterized in that: The circuit board is also provided with a USB interface module, the main control module is electrically connected to the USB interface module, and the USB interface module includes a power MOSFET chip Q3, a power MOSFET chip Q4, a power MOSFET chip Q6, a power MOSFET chip Q7, a power MOSFET chip Q8 and a power MOSFET chip Q10, wherein: Terminal 4 of connector J7 is electrically connected to the drain of power MOSFET chip Q6, and the gate of power MOSFET chip Q6 is electrically connected to terminal 16 of microcontroller U3 through resistor R16; Terminal 3 of connector J7 is electrically connected to the drain of power MOSFET chip Q4, and the gate of power MOSFET chip Q4 is electrically connected to terminal 15 of microcontroller U3 through resistor R10; Terminal 2 of connector J7 is electrically connected to the drain of power MOSFET chip Q3, and the gate of power MOSFET chip Q3 is electrically connected to terminal 14 of microcontroller U3 through resistor R8; Terminal 4 of connector J4 is electrically connected to the drain of power MOSFET chip Q10, and the gate of power MOSFET chip Q10 is electrically connected to terminal 26 of microcontroller U3 through resistor R43; Terminal 3 of connector J4 is electrically connected to the drain of power MOSFET chip Q8, and the gate of power MOSFET chip Q8 is electrically connected to terminal 38 of microcontroller U3 through resistor R26; Terminal 2 of the connector J4 is electrically connected to the drain of the power MOSFET chip Q7 , and the gate of the power MOSFET chip Q7 is electrically connected to terminal 37 of the microcontroller U3 via the resistor R24 ​​.

4. The variable background light box according to claim 1, characterized in that: The circuit board is also provided with a storage module, the main control module is electrically connected to the storage module, and the storage module includes a memory U5, wherein: Terminal 1 of the memory U5 is electrically connected to terminal 33 of the microcontroller U3; Terminal 2 of the memory U5 is electrically connected to terminal 35 of the microcontroller U3; Terminal 5 of the memory U5 is electrically connected to terminal 36 of the microcontroller U3; Terminal 6 of the memory U5 is electrically connected to terminal 34 of the microcontroller U3.

5. The variable background light box according to claim 1, characterized in that: The circuit board is also provided with an upgrade interface module, the main control module is electrically connected to the upgrade interface module, and the upgrade interface module includes a wireless interface J3, wherein: Terminal 1 of the wireless interface J3 is electrically connected to terminal 42 of the microcontroller U3 via a current limiting resistor R2; Terminal 3 of the wireless interface J3 is electrically connected to terminal 43 of the microcontroller U3 via a current limiting resistor R3; Terminal 5 of the wireless interface J3 is electrically connected to terminal 46 of the microcontroller U3 through a current limiting resistor R4; Terminal 7 of the wireless interface J3 is electrically connected to terminal 49 of the microcontroller U3 via a current limiting resistor R5; terminal 9 of the wireless interface J3 is electrically connected to terminal 60 of the microcontroller U3 via a current limiting resistor R6.

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