CN219478179U

CN219478179U - Wireless light receiving and transmitting device

Info

Publication number: CN219478179U
Application number: CN202320413620.2U
Authority: CN
Inventors: 卢嫦娥; 车浩; 郑佳鑫; 刘权才
Original assignee: Zhuhai Zhengcheng Electronic Technology Co ltd
Current assignee: Zhuhai Zhengcheng Electronic Technology Co ltd
Priority date: 2023-03-08
Filing date: 2023-03-08
Publication date: 2023-08-04
Anticipated expiration: 2033-03-08

Abstract

The utility model discloses a lamplight wireless transceiver, which relates to the technical field of LED dimming control and comprises a DMX wireless transceiver module, a signal level conversion circuit, a dial switch setting circuit, an anti-reverse-connection voltage boosting circuit, a power supply filtering voltage stabilizing circuit, a CX micro-controller control circuit, a single-channel high-power driving circuit and a state indicating circuit. According to the utility model, the single-channel high-power driving circuit converts a 5V brightness driving signal to drive an external LED lamp, so that the dimming and fancy change of the LED lamp are controlled by remote wireless transceiving; the micro controller receives the data and decodes the obtained dimming data to output PWM control driving signals, and the driving circuit drives an external LED lamp to realize remote dimming; the product DMX has long receiving and transmitting distance, stable and reliable transmission data and stable dimming of the micro controller, can realize various dimming operation effects and achieves the aim of DMX wireless receiving and transmitting.

Description

Wireless light receiving and transmitting device

Technical Field

The utility model relates to the technical field of LED dimming control, in particular to a lamplight wireless transceiver.

Background

The light emitting diode, which is called as LED for short, can efficiently convert electric energy into light energy, and has wide application in modern society, such as illumination, flat panel display, medical devices and the like; the LED lamp is a light-emitting diode, adopts a solid semiconductor chip as a luminescent material, and has the advantages of energy conservation, environmental protection, good color rendering and response speed compared with the traditional lamp; the control modes of the LEDs comprise constant current and constant voltage, and various dimming modes, such as analog dimming and PWM dimming, are adopted, and most of the LEDs are controlled by constant current, so that the stability of the LED current can be kept, the change of VF is not easy to occur, and the service life of the LED lamp can be prolonged.

Patent grant publication number (CN 213485220U) discloses a wireless remote control device for realizing dimming and toning, comprising: the audio signal acquisition circuit, audio signal processing circuit, the mixing of colors circuit of adjusting luminance, wireless communication circuit, controller, wherein, the output of controller is connected with wireless communication circuit, wireless communication circuit further with the input of mixing of colors circuit of adjusting luminance is connected, the mixing of colors circuit of adjusting luminance includes: the light modulator, RGB lamp sets of a plurality of colors, driving power, the input end of the light modulator and the wireless communication circuit are used for receiving the control instruction from the controller; the output end of the light modulator is connected with the driving end of each RGB lamp set to drive each RGB lamp set to adjust light and color; the power end of each RGB light set is connected with the driving power supply to be supplied by the driving power supply.

However, when the wireless remote control device for realizing dimming and color mixing carries out wireless remote control on lamplight, the transmission distance is limited, and when the transmission distance is longer, the signal stability is not high, so that the dimming processing stability of the LED lamp is poor.

Disclosure of Invention

The utility model aims to provide a lamplight wireless receiving and transmitting device so as to solve the problems in the background technology.

In order to solve the technical problems, the utility model provides the following technical scheme:

a light wireless transceiver comprises a DMX wireless transceiver module, a signal level conversion circuit, a dial switch setting circuit, a reverse connection preventing boost circuit, a power supply filtering voltage stabilizing circuit, a CX micro-controller control circuit, a single-channel high-power driving circuit and a state indicating circuit,

the output end of the DMX wireless transceiver module is electrically connected with the input end of the signal level conversion circuit;

the output end of the reverse connection preventing booster circuit is electrically connected with the input end of the power supply filtering voltage stabilizing circuit;

the output ends of the signal level conversion circuit and the dial switch setting circuit are electrically connected with the input end of the CX micro-controller control circuit;

the output end of the power supply filtering voltage stabilizing circuit is electrically connected with the input ends of the CX micro-controller control circuit and the single-channel high-power driving circuit respectively;

and the output end of the CX micro-controller control circuit is electrically connected with the input ends of the single-channel high-power driving circuit and the state indicating circuit respectively.

Preferably, the DMX wireless transceiver module adopts a DMX512 wireless transceiver;

the 1 interface of the DMX512 wireless transceiver is externally connected with a VCC end;

the 2 interface of the DMX512 wireless transceiver is externally connected with a D+ end;

the 3 interface of the DMX512 wireless transceiver is externally connected with a D-end;

the 4 interface of the DMX512 wireless transceiver is externally connected with a GND end;

the DMX wireless transceiver module is an independent wireless 2.4G DMX transceiver module, has a power supply voltage of 5V, outputs a DMX512 differential signal when receiving, inputs the DMX512 differential signal when transmitting, has a button which can set the ID number of the module, can set 16 different communication channels, has no mutual interference, and has a transmission distance of up to 1000 meters.

Preferably, the signal level conversion circuit comprises a chip U2, a resistor R7, a resistor R8 and a capacitor C8;

the D+ end, the resistor R7 and the capacitor C8 are sequentially connected in series, and the capacitor C8 is grounded;

the D-end, the resistor R8 and the 5 interface of the chip U2 are sequentially connected in series, and the 5 interface of the chip U2 is grounded;

the 8 interface of the chip U2 is electrically connected between the resistor R7 and the capacitor C8, and the 8 interface of the chip U2 is grounded;

the 6 interface of the chip U2 is electrically connected between the resistor R7 and the D+ end;

the 7 interface of the chip U2 is electrically connected between the resistor R8 and the D-end;

the 1 interface of the chip U2 is externally connected with an RX end, and the 2 interface and the 3 interface of the chip U2 are grounded;

the signal level conversion circuit can realize the mutual conversion of differential signals and TTL signals, can realize bidirectional transmission and is controlled by the micro controller in the transmission direction.

Preferably, the dial switch setting circuit includes a dial switch SW1;

the 1 interface of the dial switch SW1 is externally connected with a bit1 end; the 2 interface of the dial switch SW1 is externally connected with a bit2 end; the 3 interface of the dial switch SW1 is externally connected with a bit3 end; the 4 interface of the dial switch SW1 is externally connected with a bit4 end; the 5 interface of the dial switch SW1 is externally connected with a bit5 end; the 6 interface of the dial switch SW1 is externally connected with a bit6 end; the 7 interface of the dial switch SW1 is externally connected with a bit7 end; the 8 interface of the dial switch SW1 is externally connected with a bit8 end; the 9 interface of the dial switch SW1 is externally connected with a bit9 end; the 10 interface of the dial switch SW1 is externally connected with a bit10 end;

the interfaces 11, 12, 13, 14, 15, 16, 17, 18, 19 and 20 of the dial switch SW1 are all grounded;

the 10-bit dial switch in the dial switch setting circuit is connected with the input of the micro controller, and 512 DMX512 addresses can be set through different combinations of the front 9-bit switch.

Preferably, the anti-reverse connection boost circuit comprises a socket CON1, a diode D1, a resistor R1, a capacitor C9, a resistor R4, a chip U4, an inductor L1, a diode D2, a capacitor C3, a resistor R3 and a resistor R2;

the power supply filtering voltage stabilizing circuit comprises an electrolytic capacitor E1, a capacitor C1, a chip U3, an electrolytic capacitor E2 and a capacitor C2;

the 1 interface of the socket CON1 is grounded;

the interface 2 of the socket CON1, the interface 1 of the diode D1, the interface 2 of the diode D1, the resistor R1 and the interface 7 of the chip U4 are sequentially connected in series;

the interface 6 of the chip U4 is electrically connected between the interface 2 of the diode D1 and the resistor R1, one end of the capacitor C9 is grounded, and the other end of the capacitor C9 is electrically connected between the interface 2 of the diode D1 and the interface 6 of the chip U4;

the interface 8 of the chip U4, the resistor R4, the inductor L1 and the interface 1 of the chip U4 are sequentially connected in series; one end of the resistor R4 is electrically connected with the 8 interface of the U4, and the other end of the resistor R4 is electrically connected with the resistor R1 and the 7 interface of the chip U4;

the 2 interface of the chip U4 is connected in series with the 4 interface of the chip U4, one end of the capacitor C3 is connected with the 3 interface of the chip U4, and the other end of the capacitor C3 is electrically connected between the 2 interface of the chip U4 and the 4 interface of the chip U4;

the interface 4 of the chip U4, the resistor R3 and the interface 5 of the chip U4 are sequentially connected in series;

the interface 1 of the chip U4, the diode D2, the interface 1 of the chip U3, the interface 3 of the chip U3, the capacitor C2, the interface 2 of the chip U3 and the interface 4 of the chip U4 are sequentially connected in series;

one end of the resistor R2 is electrically connected between the resistor R3 and the 5 interface of the chip U4, and the other end of the resistor R2 is electrically connected between the diode D2 and the 1 interface of the chip U3;

one end of the electrolytic capacitor E1 is electrically connected between the resistor R2 and the 1 interface of the chip U3, and the other end of the electrolytic capacitor E1 is electrically connected between the 2 interface of the chip U3 and the 4 interface of the chip U4;

one end of the capacitor C1 is electrically connected between the electrolytic capacitor E1 and the 1 interface of the chip U3, one end of the capacitor C1 is externally connected with a 12V end, the other end of the capacitor C1 is electrically connected between the 2 interface of the chip U3 and the electrolytic capacitor E1, and the other end of the capacitor C1 is grounded;

one end of the electrolytic capacitor E2 is electrically connected between the 3 interface of the chip U3 and the capacitor C2, and the other end of the electrolytic capacitor E2 is electrically connected between the 2 interface of the chip U3 and the capacitor C2; a VCC end is externally connected between the electrolytic capacitor E2 and the capacitor C2;

the 4.5V voltage input in the reverse connection preventing booster circuit is input into the booster chip through the reverse connection preventing diode, and the 4.5V voltage is boosted to 12V and is provided for the next stage of voltage stabilizing circuit; the power supply filtering voltage stabilizing circuit filters and stabilizes the boosted 12V voltage to 5V voltage, and provides stable power supply for the DMX transceiver module and the micro controller.

Preferably, the single-channel high-power driving circuit comprises a socket CON2, a field effect tube RQ, a resistor RR1 and a resistor RR2;

the 1 interface of the socket CON2 is externally connected with a 4.5V end;

the interface 2 of the socket CON2, the interface 2 of the field effect tube RQ, the interface 1 of the field effect tube RQ, the resistor RR1 and the RC end are sequentially connected in series;

one end of the resistor RR2 is electrically connected between the 1 interface of the field effect tube RQ and the resistor RR1, the other end of the resistor RR2 is electrically connected with the 3 interface of the field effect tube RQ, and the 3 interface of the field effect tube RQ is grounded;

and a 5V PWM dimming signal is converted and output through a high-power field effect transistor in a single-channel high-power driving circuit, and an external high-power 4.5V LED lamp is driven.

Preferably, the status indication circuit comprises a resistor R6 and a light emitting diode LED; the VCC end, the resistor R6 and the light emitting diode LED are sequentially connected in series;

the working state of the micro controller is distinguished by the flickering speed of the indicator light in the state indicating circuit, so that man-machine interaction is realized.

Preferably, the relay J1 is further included;

the 1 interface of the relay J1 is externally connected with an RST end; the 2 interface of the relay J1 is externally connected with a VCC end; the 3 interface of the relay J1 is externally connected with a GND end; the 4 interface of the relay J1 is externally connected with an SWDIO end; the 1 interface of the relay J1 is externally connected with the SWDCLK end.

Preferably, the CX microcontroller control circuit includes a chip U1, a resistor R5, a capacitor C4, a capacitor C7, a capacitor C5, and a capacitor C6;

the VCC end, the resistor R5, the RST end and the 4 interface of the chip U1 are sequentially connected in series;

the interface 9, the capacitor C5 and the capacitor C4 of the chip U1 are sequentially connected in series and connected between the resistor R5 and the RST end;

one end of the capacitor C7 is connected with the 8 interface of the chip U1, the other end of the capacitor C7 is connected between the capacitor C5 and the capacitor C4, one end of the capacitor C6 is connected with the 9 interface of the chip U1, the other end of the capacitor C6 is connected between the capacitor C7 and the capacitor C5, the capacitor C4, the capacitor C7, the capacitor C5 and the capacitor C6 are all grounded, and the 9 interface of the chip U1 is externally connected with the VCC end;

the 1 interface of the chip U1 is externally connected with a bit10 end; the 2 interface of the chip U1 is externally connected with a bit9 end; the 3 interface of the chip U1 is externally connected with an RX end; the 5 interface of the chip U1 is externally connected with a bit8 end; the 10 interface of the chip U1 is externally connected with an LED; the 11 interface of the chip U1 is externally connected with a bit1 end; the 12 interface of the chip U1 is externally connected with a bit2 end; the 13 interface of the chip U1 is externally connected with an RC end; the 14 interface of the chip U1 is externally connected with a bit3 end; the 15 interface of the chip U1 is externally connected with a bit4 end; the 16 interface of the chip U1 is externally connected with a bit5 end; the 17 interface of the chip U1 is externally connected with an SWDIO end; the 18 interface of the chip U1 is externally connected with an SWDCLK end; the 19 interface of the chip U1 is externally connected with a bit6 end; the 20 interface of the chip U1 is externally connected with a bit7 end;

the CX micro-controller control circuit is a control center of the whole product, the micro-controller starts to perform programmed operation after being electrified, a series of initialization is firstly performed, then the input end of the dial switch setting circuit is scanned to obtain a set address code, then data transmitted by the wireless module is received through the serial port to perform programmed decoding to obtain dimming data sent by remote equipment, a single-channel brightness value driving signal of the address is output through PWM hardware, and meanwhile, the control state indication circuit outputs an indication working state; when the 10 th bit of the dial switch is set to be in a main control mode, the first 9 bits of the dial switch respectively correspond to 9 different built-in operation modes and are sent to DMX wireless transceivers of other same communication channels through the DMX wireless transceiver module, so that synchronous operation of the same modes and speeds is realized.

Compared with the prior art, the utility model has the following beneficial effects:

the utility model sets up DMX wireless transceiver module, signal level conversion circuit, dial switch setting circuit, anti-reverse connection boost circuit, power supply filtering voltage stabilizing circuit, CX micro-controller control circuit, single channel high power driving circuit, state indicating circuit, the micro-controller starts programming operation after getting electricity, firstly, a series of system internal initialization is carried out, then the input end of the dial switch setting circuit is scanned to obtain set address code, then the serial port receives the data transmitted by the wireless module to carry out programming decoding, thus obtaining dimming data sent by remote equipment, outputting single channel brightness value driving signal of the address through PWM hardware, and meanwhile controlling the state indicating circuit to output indication working state; when the 10 th bit of the dial switch is set to be in a main control mode, the first 9 bits of the dial switch respectively correspond to 9 different built-in operation modes and are sent to DMX wireless transceivers of other same communication channels through the DMX wireless transceiver module, so that synchronous operation of the same modes and speeds is realized; the single-channel high-power driving circuit converts a 5V brightness driving signal to drive an external 4.5V high-power LED lamp, so that the dimming and fancy change of the LED lamp are controlled by remote wireless transceiving; the DMX512 signal data are wirelessly transmitted to DMX wireless receivers of other same communication channels, the transmission distance can reach 1000 meters in open places, the microcontroller receives the data through a serial port and then performs programmed DMX512 decoding, the dimming data of the DMX512 address are obtained to perform PWM control driving signal output, and an external 4.5V constant-voltage LED lamp is driven by a driving circuit to realize remote dimming; through actual operation tests, the product DMX has long receiving and transmitting distance, stable and reliable transmission data and stable dimming of the micro controller, can realize various dimming operation effects and achieves the aim of DMX wireless receiving and transmitting.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

FIG. 1 is a block schematic diagram of the overall circuit of the present utility model;

FIG. 2 is a detailed schematic diagram of the overall circuit of the present utility model;

FIG. 3 is a schematic diagram of the circuit connections of the DMX transceiver module of the present utility model;

FIG. 4 is a schematic diagram of the connection of the signal level conversion circuit of the present utility model;

FIG. 5 is a schematic diagram of the connection of the dial switch setting circuit of the present utility model;

FIG. 6 is a schematic diagram of the connection of the anti-reverse boost circuit and the power filter voltage stabilizing circuit of the present utility model;

FIG. 7 is a schematic diagram of the connection of the CX microcontroller control circuit of the present utility model;

FIG. 8 is a schematic diagram of the connection of the single channel high power drive circuit of the present utility model;

FIG. 9 is a schematic diagram of the connection of the status indication circuit of the present utility model;

fig. 10 is a schematic diagram showing the connection of the relay J1 of the present utility model.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 to 10, the present utility model provides the following technical solutions: a lamplight wireless transceiver comprises a DMX wireless transceiver module, a signal level conversion circuit, a dial switch setting circuit, an anti-reverse connection boost circuit, a power supply filtering voltage stabilizing circuit, a CX micro-controller control circuit, a single-channel high-power driving circuit and a state indicating circuit; the output end of the DMX wireless transceiver module is electrically connected with the input end of the signal level conversion circuit; the output end of the reverse connection preventing booster circuit is electrically connected with the input end of the power supply filtering voltage stabilizing circuit; the output ends of the signal level conversion circuit and the dial switch setting circuit are electrically connected with the input end of the CX micro-controller control circuit; the output end of the power supply filtering voltage stabilizing circuit is electrically connected with the input ends of the CX micro-controller control circuit and the single-channel high-power driving circuit respectively; and the output end of the CX micro-controller control circuit is electrically connected with the input ends of the single-channel high-power driving circuit and the state indicating circuit respectively.

The DMX wireless transceiver module adopts a DMX512 wireless transceiver; the 1 interface of the DMX512 wireless transceiver is externally connected with a VCC end; the 2 interface of the DMX512 wireless transceiver is externally connected with a D+ end; the 3 interface of the DMX512 wireless transceiver is externally connected with a D-end; the 4 interface of the DMX512 wireless transceiver is externally connected with a GND end.

The signal level conversion circuit comprises a chip U2, a resistor R7, a resistor R8 and a capacitor C8; the D+ end, the resistor R7 and the capacitor C8 are sequentially connected in series, and the capacitor C8 is grounded; the D-end, the resistor R8 and the 5 interface of the chip U2 are sequentially connected in series, and the 5 interface of the chip U2 is grounded; the 8 interface of the chip U2 is electrically connected between the resistor R7 and the capacitor C8, and the 8 interface of the chip U2 is grounded; the 6 interface of the chip U2 is electrically connected between the resistor R7 and the D+ end; the 7 interface of the chip U2 is electrically connected between the resistor R8 and the D-end; the 1 interface of the chip U2 is externally connected with an RX end, and the 2 interface and the 3 interface of the chip U2 are grounded.

The dial switch setting circuit comprises a dial switch SW1; the 1 interface of the dial switch SW1 is externally connected with a bit1 end; the 2 interface of the dial switch SW1 is externally connected with a bit2 end; the 3 interface of the dial switch SW1 is externally connected with a bit3 end; the 4 interface of the dial switch SW1 is externally connected with a bit4 end; the 5 interface of the dial switch SW1 is externally connected with a bit5 end; the 6 interface of the dial switch SW1 is externally connected with a bit6 end; the 7 interface of the dial switch SW1 is externally connected with a bit7 end; the 8 interface of the dial switch SW1 is externally connected with a bit8 end; the 9 interface of the dial switch SW1 is externally connected with a bit9 end; the 10 interface of the dial switch SW1 is externally connected with a bit10 end; the interfaces 11, 12, 13, 14, 15, 16, 17, 18, 19 and 20 of the dial switch SW1 are all grounded.

The anti-reverse connection boost circuit comprises a socket CON1, a diode D1, a resistor R1, a capacitor C9, a resistor R4, a chip U4, an inductor L1, a diode D2, a capacitor C3, a resistor R3 and a resistor R2; the power supply filtering voltage stabilizing circuit comprises an electrolytic capacitor E1, a capacitor C1, a chip U3, an electrolytic capacitor E2 and a capacitor C2; the 1 interface of the socket CON1 is grounded; the interface 2 of the socket CON1, the interface 1 of the diode D1, the interface 2 of the diode D1, the resistor R1 and the interface 7 of the chip U4 are sequentially connected in series; the interface 6 of the chip U4 is electrically connected between the interface 2 of the diode D1 and the resistor R1, one end of the capacitor C9 is grounded, and the other end of the capacitor C9 is electrically connected between the interface 2 of the diode D1 and the interface 6 of the chip U4; the interface 8 of the chip U4, the resistor R4, the inductor L1 and the interface 1 of the chip U4 are sequentially connected in series; one end of the resistor R4 is electrically connected with the 8 interface of the U4, and the other end of the resistor R4 is electrically connected with the resistor R1 and the 7 interface of the chip U4; the 2 interface of the chip U4 is connected in series with the 4 interface of the chip U4, one end of the capacitor C3 is connected with the 3 interface of the chip U4, and the other end of the capacitor C3 is electrically connected between the 2 interface of the chip U4 and the 4 interface of the chip U4; the interface 4 of the chip U4, the resistor R3 and the interface 5 of the chip U4 are sequentially connected in series; the interface 1 of the chip U4, the diode D2, the interface 1 of the chip U3, the interface 3 of the chip U3, the capacitor C2, the interface 2 of the chip U3 and the interface 4 of the chip U4 are sequentially connected in series; one end of the resistor R2 is electrically connected between the resistor R3 and the 5 interface of the chip U4, and the other end of the resistor R2 is electrically connected between the diode D2 and the 1 interface of the chip U3; one end of the electrolytic capacitor E1 is electrically connected between the resistor R2 and the 1 interface of the chip U3, and the other end of the electrolytic capacitor E1 is electrically connected between the 2 interface of the chip U3 and the 4 interface of the chip U4; one end of the capacitor C1 is electrically connected between the electrolytic capacitor E1 and the 1 interface of the chip U3, one end of the capacitor C1 is externally connected with a 12V end, the other end of the capacitor C1 is electrically connected between the 2 interface of the chip U3 and the electrolytic capacitor E1, and the other end of the capacitor C1 is grounded; one end of the electrolytic capacitor E2 is electrically connected between the 3 interface of the chip U3 and the capacitor C2, and the other end of the electrolytic capacitor E2 is electrically connected between the 2 interface of the chip U3 and the capacitor C2; and a VCC end is externally connected between the electrolytic capacitor E2 and the capacitor C2.

The single-channel high-power driving circuit comprises a socket CON2, a field effect tube RQ, a resistor RR1 and a resistor RR2; the 1 interface of the socket CON2 is externally connected with a 4.5V end; the interface 2 of the socket CON2, the interface 2 of the field effect tube RQ, the interface 1 of the field effect tube RQ, the resistor RR1 and the RC end are sequentially connected in series; one end of the resistor RR2 is electrically connected between the 1 interface of the field effect tube RQ and the resistor RR1, the other end of the resistor RR2 is electrically connected with the 3 interface of the field effect tube RQ, and the 3 interface of the field effect tube RQ is grounded.

The state indicating circuit comprises a resistor R6 and a Light Emitting Diode (LED); the VCC end, the resistor R6 and the light emitting diode LED are sequentially connected in series.

The relay J1 is also included; the 1 interface of the relay J1 is externally connected with an RST end; the 2 interface of the relay J1 is externally connected with a VCC end; the 3 interface of the relay J1 is externally connected with a GND end; the 4 interface of the relay J1 is externally connected with an SWDIO end; the 1 interface of the relay J1 is externally connected with the SWDCLK end.

The CX micro-controller control circuit comprises a chip U1, a resistor R5, a capacitor C4, a capacitor C7, a capacitor C5 and a capacitor C6; the VCC end, the resistor R5, the RST end and the 4 interface of the chip U1 are sequentially connected in series; the interface 9, the capacitor C5 and the capacitor C4 of the chip U1 are sequentially connected in series and connected between the resistor R5 and the RST end; one end of the capacitor C7 is connected with the 8 interface of the chip U1, the other end of the capacitor C7 is connected between the capacitor C5 and the capacitor C4, one end of the capacitor C6 is connected with the 9 interface of the chip U1, the other end of the capacitor C6 is connected between the capacitor C7 and the capacitor C5, the capacitor C4, the capacitor C7, the capacitor C5 and the capacitor C6 are all grounded, and the 9 interface of the chip U1 is externally connected with the VCC end; the 1 interface of the chip U1 is externally connected with a bit10 end; the 2 interface of the chip U1 is externally connected with a bit9 end; the 3 interface of the chip U1 is externally connected with an RX end; the 5 interface of the chip U1 is externally connected with a bit8 end; the 10 interface of the chip U1 is externally connected with an LED; the 11 interface of the chip U1 is externally connected with a bit1 end; the 12 interface of the chip U1 is externally connected with a bit2 end; the 13 interface of the chip U1 is externally connected with an RC end; the 14 interface of the chip U1 is externally connected with a bit3 end; the 15 interface of the chip U1 is externally connected with a bit4 end; the 16 interface of the chip U1 is externally connected with a bit5 end; the 17 interface of the chip U1 is externally connected with an SWDIO end; the 18 interface of the chip U1 is externally connected with an SWDCLK end; the 19 interface of the chip U1 is externally connected with a bit6 end; and the 20 interfaces of the chip U1 are externally connected with a bit7 end.

The specific working principle is as follows:

in this embodiment, through setting up DMX wireless transceiver module, signal level conversion circuit, dial switch setting circuit, prevent reverse connection boost circuit, power filter voltage stabilizing circuit, CX micro-controller control circuit, single channel high-power drive circuit, status indication circuit, DMX wireless transceiver module: the module is an independent wireless 2.4G DMX transceiver module, the power supply voltage is 5V, a DMX512 differential signal is output when the module is received, a DMX512 differential signal is input when the module is transmitted, an ID number of the module can be set by one button, 16 different communication channels can be set, the communication channels are not mutually interfered, and the transmission distance can reach 1000 meters; a signal level conversion circuit: the circuit realizes the mutual conversion of the differential signal and the TTL signal, can realize bidirectional transmission, and controls the transmission direction by the micro controller; a dial switch setting circuit: the 10-bit dial switch is connected with the input of the micro controller, and 512 DMX512 addresses can be set through different combinations of the front 9-bit switch; reverse connection preventing boost circuit: the input 4.5V voltage is input into the boost chip through the anti-reverse diode, and the 4.5V voltage is boosted to 12V and is provided for the next stage of voltage stabilizing circuit; the power supply filtering voltage stabilizing circuit comprises: filtering and stabilizing the boosted 12V voltage to 5V voltage, and providing a stable power supply for the DMX transceiver module and the microcontroller; CX microcontroller control circuit: the circuit is a control center of the whole product, the microcontroller starts programming operation after being electrified, a series of initialization is firstly carried out, then the input end of the dial switch setting circuit is scanned to obtain a set address code, the data transmitted by the wireless module is received through the serial port to carry out programming decoding to obtain dimming data sent by remote equipment, a single-channel brightness value driving signal of the address is output through PWM hardware, and meanwhile, the control state indicating circuit outputs an indication working state; when the 10 th bit of the dial switch is set to be in a main control mode, the first 9 bits of the dial switch respectively correspond to 9 different built-in operation modes and are sent to DMX wireless transceivers of other same communication channels through the DMX wireless transceiver module, so that synchronous operation of the same modes and speeds is realized; single-channel high-power driving circuit: the 5V PWM dimming signal is converted and output through a high-power field effect transistor, and an external high-power 4.5V LED lamp is driven; status indication circuit: the working state of the micro controller is distinguished by the flickering speed of the indicator lamp, so that man-machine interaction is realized;

when the power switch on the product is closed, DC4.5V voltage is raised to 12V through the reverse connection preventing booster circuit, and then stable direct current 5V voltage is obtained through the power filtering voltage stabilizing circuit, so that a stable power supply is provided for the DMX transceiver module and the micro controller; in addition, the 2.4G antenna converts the received signals through the DMX transceiver module by the signal level conversion circuit and then enters the micro controller through the serial port. The micro controller starts programming operation after power is supplied, a series of system internal initialization is firstly carried out, then the input end of the dial switch setting circuit is scanned to obtain a set address code, then data transmitted by the wireless module is received through the serial port to carry out programming decoding to obtain dimming data sent by remote equipment, a single-channel brightness value driving signal of the address is output through PWM hardware, and meanwhile, the control state indicating circuit outputs an indication working state; when the 10 th bit of the dial switch is set to be in a main control mode, the first 9 bits of the dial switch respectively correspond to 9 different built-in operation modes and are sent to DMX wireless transceivers of other same communication channels through the DMX wireless transceiver module, so that synchronous operation of the same modes and speeds is realized; the single-channel high-power driving circuit converts a 5V brightness driving signal to drive an external 4.5V high-power LED lamp, so that the dimming and fancy change of the LED lamp are controlled by remote wireless transceiving;

the product is powered by a No. 7 battery with the voltage of 3 sections and 1.5V, has the reverse connection preventing function, and greatly reduces the volume and the research and development time of the product due to the adoption of a wireless receiving and transmitting modularized structure; the DMX512 wireless transceiver module is a product based on 2.4G wireless communication, can set 16 communication channels, do not interfere with each other, automatically detects a DMX signal output line, and if the DMX512 signal is detected, the module automatically becomes a wireless transmitter to wirelessly transmit and transmit the DMX512 signal data to DMX wireless receivers of other same communication channels, wherein the transmission distance can reach 1000 meters in open places, thereby realizing long-distance wireless transmission; the received DMX signals are converted into TTL signals through a differential circuit and then enter a serial port of a micro-controller, the micro-controller receives data through the serial port and then performs programmed DMX512 decoding, dimming data of the DMX512 address are obtained to perform PWM control driving signal output, and an external 4.5V constant-voltage LED lamp is driven through a driving circuit to realize remote dimming; through actual operation tests, the product DMX has long receiving and transmitting distance, stable and reliable transmission data and stable dimming of the micro controller, can realize various dimming operation effects and achieves the aim of DMX wireless receiving and transmitting.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The utility model provides a light wireless transceiver, includes DMX wireless transceiver module, signal level conversion circuit, dial switch setting circuit, prevents reverse connection boost circuit, power filter voltage stabilizing circuit, CX micro-controller control circuit, single channel high-power drive circuit, status indication circuit, its characterized in that:

2. A light wireless transceiver as defined in claim 1, wherein:

the DMX wireless transceiver module adopts a DMX512 wireless transceiver;

the 4 interface of the DMX512 wireless transceiver is externally connected with a GND end.

3. A light wireless transceiver as defined in claim 2, wherein:

the signal level conversion circuit comprises a chip U2, a resistor R7, a resistor R8 and a capacitor C8;

the 1 interface of the chip U2 is externally connected with an RX end, and the 2 interface and the 3 interface of the chip U2 are grounded.

4. A light wireless transceiver according to claim 3, wherein:

the dial switch setting circuit comprises a dial switch SW1;

the interfaces 11, 12, 13, 14, 15, 16, 17, 18, 19 and 20 of the dial switch SW1 are all grounded.

5. The light wireless transceiver of claim 4, wherein:

the anti-reverse connection boost circuit comprises a socket CON1, a diode D1, a resistor R1, a capacitor C9, a resistor R4, a chip U4, an inductor L1, a diode D2, a capacitor C3, a resistor R3 and a resistor R2;

the 1 interface of the socket CON1 is grounded;

one end of the electrolytic capacitor E2 is electrically connected between the 3 interface of the chip U3 and the capacitor C2, and the other end of the electrolytic capacitor E2 is electrically connected between the 2 interface of the chip U3 and the capacitor C2; and a VCC end is externally connected between the electrolytic capacitor E2 and the capacitor C2.

6. The light wireless transceiver of claim 5, wherein:

the single-channel high-power driving circuit comprises a socket CON2, a field effect tube RQ, a resistor RR1 and a resistor RR2;

the 1 interface of the socket CON2 is externally connected with a 4.5V end;

one end of the resistor RR2 is electrically connected between the 1 interface of the field effect tube RQ and the resistor RR1, the other end of the resistor RR2 is electrically connected with the 3 interface of the field effect tube RQ, and the 3 interface of the field effect tube RQ is grounded.

7. The light wireless transceiver of claim 6, wherein:

8. A light wireless transceiver as defined in claim 7, wherein:

the relay J1 is also included;

9. A light wireless transceiver as defined in claim 8, wherein:

the CX micro-controller control circuit comprises a chip U1, a resistor R5, a capacitor C4, a capacitor C7, a capacitor C5 and a capacitor C6;

the 1 interface of the chip U1 is externally connected with a bit10 end; the 2 interface of the chip U1 is externally connected with a bit9 end; the 3 interface of the chip U1 is externally connected with an RX end; the 5 interface of the chip U1 is externally connected with a bit8 end; the 10 interface of the chip U1 is externally connected with an LED; the 11 interface of the chip U1 is externally connected with a bit1 end; the 12 interface of the chip U1 is externally connected with a bit2 end; the 13 interface of the chip U1 is externally connected with an RC end; the 14 interface of the chip U1 is externally connected with a bit3 end; the 15 interface of the chip U1 is externally connected with a bit4 end; the 16 interface of the chip U1 is externally connected with a bit5 end; the 17 interface of the chip U1 is externally connected with an SWDIO end; the 18 interface of the chip U1 is externally connected with an SWDCLK end; the 19 interface of the chip U1 is externally connected with a bit6 end; and the 20 interfaces of the chip U1 are externally connected with a bit7 end.