A central control light board circuit capable of optimizing interface

Abstract

The utility model discloses a central control light board circuit with an optimized interface, including an interface driving circuit and an LED light group circuit, wherein the interface driving circuit is connected to the LED light group circuit, and the interface driving circuit includes an expansion interface, and the expansion interface is used to connect an external functional circuit. The interface circuit used in the embodiment does not need to be additionally configured with a driving circuit, and the brightness of the light can be controlled at any time through interface data, thereby reducing the control cost and reducing manual operations to control the brightness of the light. The interface can also be optimized to connect to an external functional circuit to achieve more functions and be more competitive.

Description

Technical Field

[0001] The utility model relates to the technical field of LED lamp control, in particular to a central control lamp board circuit capable of optimizing interfaces. Background Art

[0002] At present, the market usually adopts public universal interfaces to design LED light boards to realize the color change of the three-color lights of the central control light board, which will lead to insufficient driving ability of the interface, such as Figures 1 to 3 As shown, Figure 1 The interface driver circuit driving capability is insufficient, so it is necessary to increase Figure 2 The triode improves the color of the three-color lamp, and through Figure 3 The idea is to change the resistor size to adjust the LED brightness. This traditional method requires three interfaces and an external circuit to drive it, which wastes interfaces and increases costs, making it impossible to make more changes. Utility Model Content

[0003] In order to overcome the deficiencies of the prior art, the purpose of the utility model is to provide a central control light board circuit that can optimize the interface, which has low cost, occupies fewer interfaces, and can realize extended functions.

[0004] The purpose of the utility model is achieved by the following technical solutions:

[0005] The utility model provides a central control light board circuit capable of optimizing an interface, comprising an interface driving circuit and an LED light group circuit, wherein the interface driving circuit is connected to the LED light group circuit, and the interface driving circuit comprises an expansion interface, and the expansion interface is used to connect an external functional circuit.

[0006] In the present utility model, as an optional embodiment, the interface driving circuit includes an interface CON1, and the interface CON1 is provided with an SDA pin, an SCL pin, an LED lamp driving pin and a three-color adjustment pin.

[0007] In the utility model, as an optional embodiment, the LED lamp group circuit includes several groups of LED lamp groups, resistor R1 and resistor R2, each group of the LED lamp groups includes an LED lamp and a capacitor, the power end of the LED lamp is connected to the LED lamp driving pin and one end of the capacitor respectively, the data input end of the LED lamp is connected to the three-color adjustment pin, the ground end of the LED lamp and the other end of the capacitor are both grounded, the output end of the LED lamp in the non-last LED lamp group is connected to the data input end of the LED lamp in the next adjacent LED lamp group, and the output end of the LED lamp in the last LED lamp group is grounded through the resistor R2.

[0008] In the present utility model, as an optional embodiment, the external functional circuit is an air pressure detection circuit.

[0009] In the utility model, as an optional embodiment, the air pressure detection circuit includes an air pressure sensor U17, a voltage regulator U13, a resistor R3, a resistor R4, a resistor R5, a resistor R6, a resistor R44, a resistor R88, a capacitor C79, a capacitor C80, a capacitor C82, a capacitor C77, a capacitor C6, and a capacitor C7. One end of the resistor R5 and one end of the resistor R6 are connected to the output end of the voltage regulator U13, the other end of the resistor R5 and one end of the resistor R3 are connected to the SDA pin of the interface CON1, and the other end of the resistor R6 and one end of the resistor R4 are connected to the SCL pin. The other end of the resistor R3 and the other end of the resistor R4 are connected to the pressure sensor U17 respectively, one end of the resistor R44 is connected to the pressure sensor U17, the other end of the resistor R44 is grounded, one end of the capacitor C80 and one end of the capacitor C79 are connected to the pressure sensor U17 respectively, the other ends of the capacitor C80 and the capacitor C79 are grounded, the power input end of the pressure sensor U17, one end of the capacitor C6 and one end of the capacitor C77 are connected to the output end of the voltage regulator U13, one end of the capacitor C7, one end of the capacitor C82 and the input end of the voltage regulator U13 are all connected to the LED lamp drive pin through the resistor R88.

[0010] Compared with the prior art, the beneficial effects of the present invention are:

[0011] The interface circuit used in the central control light board circuit with optimized interface of the utility model does not need to be additionally configured with a driving circuit. The brightness of the light can be controlled at any time through interface data, which reduces control costs and reduces manual operations to control the brightness of the light. The interface can also be optimized to connect external functional circuits to achieve more functions and be more competitive. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 A schematic diagram of the circuit structure of a driving circuit in the prior art;

[0013] Figure 2 It is a circuit structure diagram of a three-color lamp adjustment circuit in the prior art;

[0014] Figure 3 It is a schematic diagram of the circuit structure of the LED lamp group in the prior art;

[0015] Figure 4 It is a circuit structure diagram of the interface driving circuit of the embodiment of the utility model;

[0016] Figure 5 It is a circuit structure schematic diagram of the LED lamp group circuit of the embodiment of the utility model;

[0017] Figure 6 It is a circuit structure diagram of the air pressure detection circuit of the embodiment of the utility model. DETAILED DESCRIPTION

[0018] Below, in conjunction with the accompanying drawings and specific implementation methods, the utility model is further described. It should be noted that, under the premise of no conflict, the various embodiments described below or the various technical features can be arbitrarily combined to form a new embodiment. Except for special instructions, the materials and equipment used in this embodiment can be purchased from the market. Examples of the embodiments are shown in the accompanying drawings, in which the same or similar numbers throughout represent the same or similar elements or elements with the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present application, and cannot be understood as limiting the present application.

[0019] In the description of the present application, it should be understood that the terms "upper", "lower", "front", "back", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as a limitation on the present application. In the description of the present application, "plurality" means two or more, unless otherwise precisely and specifically specified.

[0020] In the description of this application, it should be noted that, unless otherwise clearly specified and limited, the terms "connected", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, or it can be connected through an intermediary medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0021] The terms "first", "second", etc. in the specification and claims of this application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. In addition, the terms "including" and "having" and any variations thereof are intended to cover non-exclusive inclusions. For example, a process, method, system, product or device that includes a series of steps or units is not necessarily limited to those steps or units clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0022] The embodiment of the present application provides a central control light board circuit with an optimized interface. The interface circuit used does not require additional configuration of a driving circuit. The brightness of the light can be controlled through interface data at any time, thereby reducing control costs and reducing manual operations to control the brightness of the light. The interface can also be optimized to connect external functional circuits to achieve more functions and be more competitive.

[0023] Please refer to Figure 4-6 As shown, this embodiment provides a central control light board circuit with optimized interface, including an interface driving circuit and an LED light group circuit, wherein the interface driving circuit is connected to the LED light group circuit, and the interface driving circuit includes an expansion interface, and the expansion interface is used to connect an external functional circuit.

[0024] See also Figure 4 The interface driving circuit includes an interface CON1, on which an SDA pin, an SCL pin, an LED lamp driving pin KEY_LED_PWR and a three-color adjustment pin RGB_DATA are provided.

[0025] See also Figure 5 The LED lamp group circuit includes several groups of LED lamp groups, resistors R1 and R2, each group of the LED lamp groups includes an LED lamp and a capacitor, the power supply end of the LED lamp is connected to the LED lamp driving pin and one end of the capacitor respectively, the data input end of the LED lamp is connected to the three-color adjustment pin, the ground end of the LED lamp and the other end of the capacitor are both grounded, the output end of the LED lamp in the non-last LED lamp group is connected to the data input end of the LED lamp in the next adjacent LED lamp group, and the output end of the LED lamp in the last LED lamp group is grounded through the resistor R2. The number of LED lamp groups in the embodiment is 5 groups.

[0026] Further, such as Figure 6As shown, the external functional circuit of the embodiment is an air pressure detection circuit. The air pressure detection circuit includes an air pressure sensor U17, a voltage regulator U13, a resistor R3, a resistor R4, a resistor R5, a resistor R6, a resistor R44, a resistor R88, a capacitor C79, a capacitor C80, a capacitor C82, a capacitor C77, a capacitor C6, and a capacitor C7. One end of the resistor R5 and one end of the resistor R6 are connected to the output end of the voltage regulator U13, the other end of the resistor R5 and one end of the resistor R3 are connected to the SDA pin of the interface CON1, the other end of the resistor R6 and one end of the resistor R4 are connected to the SCL pin, the other end of the resistor R3 is connected to the SDI pin of the air pressure sensor U17, and the resistor The other end of R4 is connected to the SCK pin of the pressure sensor U17, one end of the resistor R44 is connected to the SD0 pin of the pressure sensor U17, the other end of the resistor R44 is grounded, one end of the capacitor C80 and one end of the capacitor C79 are respectively connected to the pressure sensor U17, the other ends of the capacitor C80 and the capacitor C79 are grounded, the power input end of the pressure sensor U17, one end of the capacitor C6 and one end of the capacitor C77 are connected to the output end VOUT of the regulator U13, one end of the capacitor C7, one end of the capacitor C82 and the input end VIN of the regulator U13 are all connected to the LED lamp drive pin through the resistor R88.

[0027] Although only certain components and embodiments of the present application have been illustrated and described, many modifications and changes may be conceived by those skilled in the art without actually departing from the scope and spirit of the claims, such as changes in the size, dimensions, structure, shape and proportion of the various elements, mounting arrangements, material usage, color, orientation, etc.

[0028] The above-mentioned implementation mode is only a preferred implementation mode of the embodiment of the utility model, and cannot be used to limit the scope of protection of the embodiment of the utility model. Any non-substantial changes and replacements made by technical personnel in this field on the basis of the embodiment of the utility model shall fall within the scope of protection required by the embodiment of the utility model.

Claims

1. A central control light board circuit capable of optimizing the interface, characterized in that: It includes an interface driving circuit and an LED light group circuit. The interface driving circuit is connected to the LED light group circuit. The interface driving circuit includes an expansion interface, and the expansion interface is used to connect to an external functional circuit.

2. The central control light board circuit according to claim 1, characterized in that: The interface driving circuit comprises an interface CON1, and the interface CON1 is provided with an SDA pin, an SCL pin, an LED lamp driving pin and a three-color adjustment pin.

3. The central control light board circuit according to claim 2, characterized in that: The LED light group circuit includes several groups of LED light groups, resistor R1 and resistor R2, each group of the LED light groups includes an LED lamp and a capacitor, the power end of the LED lamp is connected to the LED lamp driving pin and one end of the capacitor respectively, the data input end of the LED lamp is connected to the three-color adjustment pin, the ground end of the LED lamp and the other end of the capacitor are both grounded, the output end of the LED lamp in the non-last LED light group is connected to the data input end of the LED lamp in the next adjacent LED light group, and the output end of the LED lamp in the last LED light group is grounded through the resistor R2.

4. The central control light board circuit according to claim 3, characterized in that: The external functional circuit is an air pressure detection circuit.

5. The central control light board circuit according to claim 4, characterized in that: The air pressure detection circuit includes an air pressure sensor U17, a voltage regulator U13, a resistor R3, a resistor R4, a resistor R5, a resistor R6, a resistor R44, a resistor R88, a capacitor C79, a capacitor C80, a capacitor C82, a capacitor C77, a capacitor C6, and a capacitor C7. One end of the resistor R5 and one end of the resistor R6 are connected to the output end of the voltage regulator U13, the other end of the resistor R5 and one end of the resistor R3 are connected to the SDA pin of the interface CON1, the other end of the resistor R6 and one end of the resistor R4 are connected to the SCL pin, and the other end of the resistor R3 and one end of the resistor R4 are connected to the SCL pin. The other end of resistor R4 is connected to the air pressure sensor U17, one end of resistor R44 is connected to the air pressure sensor U17, the other end of resistor R44 is grounded, one end of capacitor C80 and one end of capacitor C79 are connected to the air pressure sensor U17, the other ends of capacitor C80 and capacitor C79 are grounded, the power input end of the air pressure sensor U17, one end of capacitor C6 and one end of capacitor C77 are connected to the output end of the voltage regulator U13, one end of capacitor C7, one end of capacitor C82 and the input end of the voltage regulator U13 are all connected to the LED lamp drive pin through resistor R88.

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