CN216291507U

CN216291507U - LED dimming circuit with Bluetooth signal input-to-multi-signal output function

Info

Publication number: CN216291507U
Application number: CN202121854914.6U
Authority: CN
Inventors: 吴忠仁; 吴龙; 刘家尧
Original assignee: Zhuhai Ltech Technology Co ltd
Current assignee: Zhuhai Ltech Technology Co ltd
Priority date: 2021-08-09
Filing date: 2021-08-09
Publication date: 2022-04-12
Anticipated expiration: 2031-08-09

Abstract

The utility model discloses an LED dimming circuit with Bluetooth signal input to multi-signal output, which comprises a Bluetooth module, a signal processing module and a signal processing module, wherein the Bluetooth module is used for receiving Bluetooth signals; the main control module is connected with the Bluetooth module; the input end of the DMX module is connected with the output end of the main control module; the input end of the 0-10V output module is connected with the output end of the main control module; the input end of the DAL I module is connected with the output end of the main control module; one end of the analog switch module is respectively connected with the output end of the DMX module, the output end of the 0-10V output module and the output end of the DAL I module, the other end of the analog switch module is connected with the equipment to be dimmed, and the control end of the analog switch module is connected with the main control module; through the structure, various output signals can be compatible, and the LED has more flexible dimming.

Description

LED dimming circuit with Bluetooth signal input-to-multi-signal output function

Technical Field

The utility model relates to the technical field of LED dimming, in particular to an LED dimming circuit with Bluetooth signal input to multi-signal output.

Background

At present, with the appearance and development of dimmable LEDs, the types of dimming signals are very many, and various signals cannot be compatible with each other, and as long as one dimming signal is selected, the corresponding light source to be controlled by using the signal is driven, but each signal has the advantages and disadvantages of each signal, and if the signals are incompatible with each other, the dimming of the LEDs is greatly limited.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to solving at least one of the problems of the prior art. Therefore, the utility model provides an LED dimming circuit with a function of converting Bluetooth signal input into multi-signal output.

The technical scheme adopted by the embodiment of the utility model for solving the technical problem is as follows: an LED dimming circuit with Bluetooth signal input to multi-signal output comprises:

the Bluetooth module is used for receiving Bluetooth signals;

the main control module is connected with the Bluetooth module;

the input end of the DMX module is connected with the output end of the main control module;

the input end of the 0-10V output module is connected with the output end of the main control module;

the input end of the DAL I module is connected with the output end of the main control module;

and one end of the analog switch module is respectively connected with the output end of the DMX module, the output end of the 0-10V output module and the output end of the DAL I module, the other end of the analog switch module is connected with the equipment to be dimmed, and the control end of the analog switch module is connected with the main control module.

Furthermore, the DAL I module comprises an optocoupler U4, a U5, a resistor R8, an R12, an R14-16, an R19, an R21, a voltage regulator tube D1, a capacitor C10, a rectifier bridge DB1 and a triode Q1-5, one end of a light receiver of the optocoupler U1 is connected with the main control module, the other end of the light receiver of the optocoupler U1 is grounded, one end of the light receiver of the optocoupler U1 is connected with the main control module through the resistor R1, the other end of the light receiver of the optocoupler U1 is grounded and connected with the main control module through the resistor R1, one end of a light emitter of the optocoupler U1 is connected with one end of the resistor R1 and a collector of the triode Q1, the other end of the light emitter of the optocoupler U1 is connected with one end of the resistor R1 and one end of the collector of the resistor R1, the cathode of the voltage regulator tube D1 and the anode of the capacitor C1, the other end of the voltage regulator tube D1 is connected with the other end of the resistor 1, One end of a resistor R21 and the fourth end of a rectifier bridge DB1 are connected, the other end of a resistor R21 is connected with an emitter of a triode Q5, the base of the triode Q5 is connected with the other end of a resistor R15, the collector of a triode Q5 is respectively connected with the first end of the rectifier bridge DB1, one end of the resistor R12 and the emitter of a triode Q4, the other end of the resistor R12 is respectively connected with the base of a triode Q4 and the emitter of the triode Q3, the base of a triode Q3 is respectively connected with the collector of a triode Q4 and the other end of a resistor R8, and the second end and the third end of a rectifier bridge DB1 are connected with the input end of an analog switch module.

Further, the analog switch module comprises a control chip U10 connected with the main control module, the DMX module, the 0-10V output module and the DAL I module, and a connection terminal J2 respectively connected with the control chip U10 and the device to be dimmed.

The utility model has the beneficial effects that: an LED dimming circuit with Bluetooth signal input to multi-signal output comprises a Bluetooth module, a control module and a control module, wherein the Bluetooth module is used for receiving Bluetooth signals; the main control module is connected with the Bluetooth module; the input end of the DMX module is connected with the output end of the main control module; the input end of the 0-10V output module is connected with the output end of the main control module; the input end of the DAL I module is connected with the output end of the main control module; one end of the analog switch module is respectively connected with the output end of the DMX module, the output end of the 0-10V output module and the output end of the DAL I module, the other end of the analog switch module is connected with the equipment to be dimmed, and the control end of the analog switch module is connected with the main control module; through the structure, various output signals can be compatible, and the LED has more flexible dimming.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a schematic block diagram of an LED dimming circuit with a Bluetooth signal input to multiple signal outputs;

FIG. 2 is a first circuit diagram of a master control module;

FIG. 3 is a second circuit diagram of the main control module;

FIG. 4 is a circuit diagram of a DMX module;

FIG. 5 is a circuit diagram of a Bluetooth module;

FIG. 6 is a circuit diagram of a 0-10V output module;

FIG. 7 is a circuit diagram of a DAL I module;

fig. 8 is a circuit diagram of an analog switch module.

Detailed Description

Reference will now be made in detail to the present preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to like elements throughout.

In the description of the present invention, a plurality of means is two or more, and greater than, less than, more than, etc. are understood as excluding the present number, and greater than, less than, etc. are understood as including the present number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the present invention, unless explicitly defined otherwise, the terms "disposed," "mounted," "connected," and the like are to be understood in a broad sense, and for example, may be directly connected or indirectly connected through an intermediate; can be fixedly connected, can also be detachably connected and can also be integrally formed; may be a mechanical connection; either as communication within the two elements or as an interactive relationship of the two elements. The specific meaning of the above-mentioned words in the present invention can be reasonably determined by those skilled in the art in combination with the detailed contents of the technical solutions.

Referring to fig. 1 to 8, an LED dimming circuit with bluetooth signal input to multi-signal output includes:

a bluetooth module 10 for receiving bluetooth signals;

the main control module 20 is connected with the Bluetooth module 10;

the input end of the DMX module 30 is connected with the output end of the main control module 20;

a 0-10V output module 40, the input end of which is connected with the output end of the main control module 20;

a DAL I module 50, an input end of which is connected to an output end of the main control module 20;

one end of the analog switch module 60 is connected to the output end of the DMX module 30, the output end of the 0-10V output module 40, and the output end of the DAL I module 50, respectively, the other end thereof is connected to the device to be dimmed, and the control end thereof is connected to the main control module 20.

The DAL I module 50 comprises an optocoupler U4, a U5, a resistor R8, an R12, an R14-16, an R19, an R21, a voltage regulator tube D1, a capacitor C10, a rectifier bridge DB1 and a triode Q1-5, one end of a light receiver of the optocoupler U1 is connected with the main control module 20, the other end of the light receiver of the optocoupler U1 is grounded, one end of the light receiver of the optocoupler U1 is connected with the main control module 20 through the resistor R1, the other end of the light receiver of the optocoupler U1 is grounded and connected with the main control module 20 through the resistor R1, one end of a light emitter of the optocoupler U1 is connected with one end of the resistor R1 and a collector of the triode Q1, the other end of the light emitter of the optocoupler U1 is connected with one end of the resistor R1, the cathode of the voltage regulator tube D1 and the anode of the capacitor C1, the other end of the light emitter of the optocoupler U1 is connected with one end of the resistor R1 and the cathode of the voltage regulator tube D1, One end of the resistor R21 and the fourth end of the rectifier bridge DB1 are connected, the other end of the resistor R21 is connected with the emitter of the triode Q5, the base of the triode Q5 is connected with the other end of the resistor R15, the collector of the triode Q5 is connected with the first end of the rectifier bridge DB1, one end of the resistor R12 and the emitter of the triode Q4, the other end of the resistor R12 is connected with the base of the triode Q4 and the emitter of the triode Q3, the base of the triode Q3 is connected with the collector of the triode Q4 and the other end of the resistor R8, and the second end and the third end of the rectifier bridge DB1 are connected with the input end of the analog switch module 60.

The analog switch module 60 includes a control chip U10 connected to the main control module 20, the DMX module 30, the 0-10V output module 40, and the DAL I module 50, and a connection terminal J2 connected to the control chip U10 and the device to be dimmed, respectively.

The working principle of the utility model is as follows: 1. when an external bluetooth input signal is input through the bluetooth module 10, the main control module 20 receives and processes the signal, controls the DAL I module 50 to output a DAL I signal to the analog switch module 60, and then the main control module 20 outputs a control signal to the analog switch module 60 to output a signal command to a desired dimming signal device through the connection terminal J2;

2. when an external bluetooth input signal is input through the bluetooth module 10, the main control module 20 receives and processes the signal, controls the DMX module 30 to output a DMX signal to the analog switch module 60, and then the main control module 20 outputs a control signal to the analog switch module 60 to output a signal command to a required dimming signal device through the connection terminal J2;

3. when an external bluetooth input signal is input through the bluetooth module 10, the main control module 20 receives and processes the signal, controls the 0-10V output module 40 to output an AD signal to the analog switch module 60, and then the main control module 20 outputs a control signal to the analog switch module 60 to output a signal command to a required dimming signal device through the connection terminal J2;

the output end of the dimming circuit is provided with the analog switch, and the AD signal, the DAL I signal and the DMX signal share one terminal, so that the space can be greatly saved, and because the converted signals comprise the DMX signal, the DAL I signal and the AD optical signal, no matter which signal is used by a client, the product can be perfectly matched, and the application of various occasions of different clients is met.

It is to be understood that the present invention is not limited to the above-described embodiments, and that equivalent modifications and substitutions may be made by those skilled in the art without departing from the spirit of the present invention, and that such equivalent modifications and substitutions are to be included within the scope of the appended claims.

Claims

1. An LED dimming circuit with Bluetooth signal input to multi-signal output function, comprising:

a Bluetooth module (10) for receiving Bluetooth signals;

the master control module (20) is connected with the Bluetooth module (10);

the input end of the DMX module (30) is connected with the output end of the main control module (20);

the input end of the 0-10V output module (40) is connected with the output end of the main control module (20);

a DALI module (50) with an input connected to an output of the master control module (20);

and one end of the analog switch module (60) is respectively connected with the output end of the DMX module (30), the output end of the 0-10V output module (40) and the output end of the DALI module (50), the other end of the analog switch module is connected with the equipment to be dimmed, and the control end of the analog switch module is connected with the main control module (20).

2. The LED dimming circuit of claim 1, wherein the LED dimming circuit comprises a Bluetooth signal input to a multi-signal output, and comprises: the DALI module (50) comprises optocouplers U4 and U5, resistors R8, R12, R14-16, R19, R21, a voltage stabilizing tube D1, a capacitor C10, a rectifier bridge DB1 and a triode Q3-5, one end of a light receiver of the optocoupler U4 is connected with the main control module (20), the other end of the light receiver of the optocoupler U4 is grounded, one end of the light receiver of the optocoupler U4 is connected with the main control module (20) through a resistor R4, the other end of the light receiver of the optocoupler U4 is grounded and connected with the main control module (20) through a resistor R4, one end of a light emitter of the optocoupler U4 is connected with one end of the resistor R4 and a collector of the triode Q4, the other end of a light emitter of the optocoupler U4 is connected with one end of the light emitter of the resistor R4, the cathode of the voltage stabilizing tube D4 and the anode of the capacitor C4, the other end of the light emitter of the optocoupler U4 is connected with one end of the resistor R4, and the cathode of the capacitor C4, The positive electrode of a voltage regulator tube D1, one end of a resistor R21 and the fourth end of a rectifier bridge DB1 are connected, the other end of the resistor R21 is connected with an emitter of a triode Q5, the base of the triode Q5 is connected with the other end of a resistor R15, the collector of the triode Q5 is respectively connected with the first end of the rectifier bridge DB1, one end of a resistor R12 and the emitter of the triode Q4, the other end of the resistor R12 is respectively connected with the base of the triode Q4 and the emitter of the triode Q3, the base of the triode Q3 is respectively connected with the collector of the triode Q4 and the other end of the resistor R8, and the second end and the third end of the rectifier bridge DB1 are connected with the input end of the analog switch module (60).

3. The LED dimming circuit of claim 1, wherein the LED dimming circuit comprises a Bluetooth signal input to a multi-signal output, and comprises: the analog switch module (60) comprises a control chip U10 connected with the main control module (20), the DMX module (30), the 0-10V output module (40) and the DALI module (50), and a connection terminal J2 respectively connected with the control chip U10 and the device to be dimmed.