CN204795691U - LED christmas lamp cluster wireless controller and lamp cluster - Google Patents

Abstract

The utility model provides a LED christmas lamp cluster wireless controller and lamp cluster, there are switching power supply circuit, the wireless host system of wi -Fi and LED drive circuit in wireless controller inside, and it concatenates the mouth to be equipped with interchange plug, switching button and LED lamp on the controller, switching power supply circuit one end is connected to alternating current power supply through exchanging the plug electricity, and the wireless host system to wi -Fi is inputed to the other end, the wireless host system of wi -Fi exports 2 way control lines to LED drive circuit, and LED drive circuit then exports two finding activates and connects with LED lamp polyphone. The utility model discloses wireless controller has small, with low costs, powerful, the remote control distance is far away and advantage such as convenient to use.

Description

A kind of LED Christmans light string wireless controller and lamp string

Technical field

The invention belongs to decorative lighting technical field, be specifically related to a kind of LED Christmans light string wireless controller and lamp string.

Background technology

LED string is the primary decoration product on Christmas Day, be also the numerous common people celebrating, at home, StoreFront, cultural activity, public place night scene engineering indispensable brightening decoration electronic product, there is wide market.

At present, along with the high speed development of mobile Internet, Internet of Things, LED Christmans light string market is needed badly and is carried out intellectuality and information-based upgrading to existing product, meets the user's request of New Times.

At present, LED Christmans light string controller mostly is Non-follow control, and user uses inconvenience; The Christmans light string of controlled in wireless mostly is that bluetooth approach controls, and its remote control distance is short, and can only a people control simultaneously, cannot realize many people and control simultaneously.Current Wi-Fi control mode generally adopts the mode of the additional MCU controller of Wi-Fi module, although this mode can overcome problem above, cost but adds a lot.In addition, the split type power supply of the many employings of current LED Christmans light string supply power mode, namely LED Christmans light string is powered the external power supply adopting an additional AC transformer or interchange to turn direct current, the external power supply being turned direct current by transformer or interchange is powered to LED Christmans light string controller, and split type power supply exists large, the heavy and high in cost of production shortcoming of volume of transformer.In sum, current all kinds of LED Christmans light string controller exists: volume is large, product is heavy, cost is high, remote control distance is short and use the defects such as inconvenient.。

Summary of the invention

The present invention proposes a kind of LED Christmans light string wireless controller and lamp string and using method thereof, solves LED string in prior art and to control and volume is large in using, product is heavy, cost is high, remote control distance is short and use the defects such as inconvenient.Structure of the present invention is simple, easy to operate, directly adopts Wi-Fi module to carry out radio communication control, directly uses Wi-Fi module to go to control the work of driving LED lamp string simultaneously.Controller is directly connected to civil power in addition, and carry out the mode to controller and lamp statements based on collusion electricity by the inner AC/DC switch power module of LED Christmans light string wireless controller, overcome the heaviness of traditional transformer supply power mode, volume is large, the shortcoming that cost is high.Make controller volume little, cost is low, powerful, and remote control distance is far away and controlled in wireless use is convenient.

Technical scheme of the present invention is achieved in that

A kind of LED Christmans light string wireless controller, there are the wireless main control module of switching power circuit, Wi-Fi and LED drive circuit in wireless controller inside; And controller is provided with ac plug, switching push button and LED serial connection mouth; Switching power circuit one end is electrically connected to AC power by ac plug, and the other end inputs to the wireless main control module of Wi-Fi; Wi-Fi is wireless, and main control module circuit exports 2 road control lines to LED drive circuit, and the exportable voltage of LED drive circuit is to adaptive LED string.

Wi-Fi is wireless, and main control module comprises linear voltage stabilization decoupling wave circuit, Wi-Fi main control module circuit, mode selecting button, upgrading debugging interface and LED drive circuit control signal output line;

Linear voltage stabilization decoupling filter circuit comprises LDO voltage stabilizer U131 and filtering decoupling capacitor C131, linear voltage stabilization decoupling filter circuit input pin INPUT2 is electrically connected to from switching power circuit output pin OUTPUT2, switching power circuit exports common pin GND and is electrically connected on the common pin GND of linear voltage stabilization decoupling filter circuit, simultaneously, INPUT2 input pin is electrically connected to the input pin 1 of LDO voltage stabilizer U131, the common pin 2 of LDO voltage stabilizer U131 is electrically connected to the common pin GND of linear voltage stabilization decoupling filter circuit, the voltage stabilizing output pin 3 of LDO voltage stabilizer U131 is electrically connected to electric capacity C131 one end, resistance R131 one end is connected with the power supply VCC pin 8 of Wi-Fi main control module circuit, the other one end of electric capacity C131 is electrically connected on power supply common pin GND, and the resistance R131 other end is connected to the chip enable signal CHPD pin 3 of Wi-Fi main control module circuit,

Wi-Fi main control module circuit comprises Wi-Fi module U132 and sheet selects enable pull-up resistor R131, Wi-Fi module U132 reset pin 1 to be electrically connected to the pin 1 of the debugging interface P131 that upgrades; The ADC pin 2 of Wi-Fi module U132 is unsettled; The sheet of Wi-Fi module U132 select CHPD pin 3 to be electrically connected to one end that sheet selects enable pull-up resistor R131, the other end of resistance R131 is electrically connected on the output pin 3 of LDO voltage stabilizer U131; The GPIO16 pin 4 of Wi-Fi module U132 is unsettled; The GPIO14 pin 5 of Wi-Fi module U132 is electrically connected to LED drive circuit signal pins LED_CON1; The GPIO12 pin 6 of Wi-Fi module U132 is electrically connected to LED drive circuit signal pins LED_CON2; The GPIO13 pin 7 of Wi-Fi module U132 is unsettled; The power supply VCC pin 8 of Wi-Fi module U132 is electrically connected to the junction of LDO voltage stabilizer U131 and filtering decoupling capacitor C131 one end; The power supply ground GND pin 9 of Wi-Fi module U132 is electrically connected on the pin of GND publicly 2 of LDO voltage stabilizer U131; The GPIO15 pin 10 of Wi-Fi module U132 is unsettled; The GPIO2 pin 11 of Wi-Fi module U132 is electrically connected to 1 end of mode selecting button K131; The GPIO0 pin 12 of Wi-Fi module U132, RXD pin 15 and TXD pin 16 are electrically connected to the pin 4 of the debugging interface P131 that upgrade, pin 3 and pin 2 respectively; The GPIO5 pin 13 of Wi-Fi module U132 is all unsettled with GPIO4 pin 14; Meanwhile, Wi-Fi module U132 carries pcb board and carries antenna and be linked into U132 inside modules;

1 end of mode selecting button K131 is electrically connected on the GPIO2 pin 11 of Wi-Fi module U132, and 2 ends of K131 are connected to power supply GND publicly;

LED drive circuit control signal output line LED_CON1 one end is electrically connected to the GPIO14 pin 5 of Wi-Fi module U132, and the LED drive circuit control signal output line LED_CON1 other end is electrically connected to one end of resistance R151; LED drive circuit control signal output line LED_CON2 one end is electrically connected to the GPIO12 pin 6 of Wi-Fi module U132, and the LED drive circuit control signal output line LED_CON2 other end is electrically connected to one end of resistance R152; LED drive circuit is made up of resistance R151, resistance R152, resistance R153, resistance R154, NPN triode Q151, NPN triode Q152, PNP triode Q153, PNP triode Q154; Control signal wire LED_CON1 and LED_CON2 from the wireless main control module of Wi-Fi is electrically connected to one end of resistance R151 and R152 respectively, other one end of resistance R151 is electrically connected to the base stage of NPN triode Q151, the other end of resistance R152 is electrically connected to the base stage of NPN triode Q152, and the emitter-base bandgap grading of NPN triode Q151 and NPN triode Q152 is together connected to power supply GND place publicly; The collector electrode of NPN triode Q151 and NPN triode Q152 is then connected to the collector electrode of PNP triode Q153 and PNP triode Q154 triode respectively; The emitter-base bandgap grading of PNP triode Q153 and PNP triode Q154 is together connected to power output leads INPUT1, and INPUT1 lead-in wire is then connected on the output lead OUTPU1 of Switching Power Supply; The base stage of PNP triode Q153 is electrically connected to one end of resistance R153, and the other end of resistance R153 is electrically connected to the collector electrode of PNP triode Q154, the collector electrode of NPN triode Q152 and LED string and goes between the node place of LED1 three; The base stage of PNP triode Q154 is electrically connected on one end of resistance R154, and the other end of resistance R154 is electrically connected to the collector electrode of PNP triode Q153, the collector electrode of NPN triode Q151 and LED string and goes between the node place of LED2 three;

Switching power circuit comprises hot overcurrent relay FR1, full bridge rectifier, filter circuit and reduced output voltage circuit; Hot overcurrent relay FR1 one end is electrically connected to the live wire end L of AC power, and its other end is electrically connected to full bridge rectifier one end, and the full bridge rectifier other end is electrically connected to filter circuit one end; The filter circuit other end is electrically connected to reduced output voltage circuit on one side, the first via of the reduced output voltage circuit other end exports and is electrically connected to power supply output pin OUTPUT1 pin, and the second tunnel of the reduced output voltage circuit other end exports and is electrically connected to power supply output pin OUTPUT2 pin.

Full bridge rectifier is made up of 4 silicon rectifier diodes, the live wire end L of AC power and zero line side N is connected on the alternating current input of full bridge rectifier respectively, the positive pole connection circuit positive pole of full bridge rectifier DC output end, the negative pole connection circuit ground GND of full bridge rectifier output.

Filter circuit is made up of polar capacitor C1, inductor L1 and polar capacitor C2, the positive pole of polar capacitor C1 positive pole, inductor L1 inlet wire termination full bridge rectifier DC output end, polar capacitor C1 negative pole connection circuit ground GND, inductor L1 leading-out terminal is connected with polar capacitor C2 positive pole, polar capacitor C2 negative pole connection circuit ground GND.

Reduced output voltage circuit comprises switching power source chip IC1, transformer T1, resistance R1, resistance R2, resistance R3, resistance R4, resistance R5, resistance R7, resistance R8, polar capacitor C3, electric capacity C4, polar capacitor C5, electric capacity C6, electric capacity CY1, diode D1, diode D2, diode D3, diode D4 and triode Q1;

The pin 1 connection circuit ground GND of switching power source chip IC1, pin 2 connecting resistance R8 one end of switching power source chip IC1, the pin 3 of switching power source chip IC1 connects triode Q1 base stage, pin 4 connecting resistance R3 one end and resistance R4 one end simultaneously of switching power source chip IC1, the pin 5 of switching power source chip IC1 connects electric capacity C5 one end, and the pin 6 of switching power source chip IC1 connects polar capacitor C3 positive pole, diode D2 one end and resistance R7 one end simultaneously;

Polar capacitor C3 negative pole is connection circuit ground GND and the electric capacity C5 other end simultaneously, and the resistance R8 other end is connected to triode Q1 emitter and resistance R1 one end simultaneously, resistance R1 other end connection circuit ground GND; Resistance R3 other end connection circuit ground GND, the resistance R4 other end connects the Same Name of Ends of the diode D2 other end and transformer T1 first secondary coil simultaneously, different name end connection circuit ground GND and electric capacity CY1 one end simultaneously of transformer T1 first secondary coil, electric capacity CY1 other end connection circuit ground GND; Triode Q1 collector electrode is connected to the Same Name of Ends of diode D1 one end and transformer T1 primary coil simultaneously;

The resistance R7 other end is connected to the different name end of filter circuit, resistance R2, electric capacity C4 and transformer T1 primary coil simultaneously; The resistance R2 other end is connected to the electric capacity C4 other end and the diode D1 other end simultaneously;

The Same Name of Ends of transformer T1 second subprime coil is connected to diode D3 one end simultaneously, and the diode D3 other end is connected to electrodeless electric capacity C6 positive pole and resistance R5 one end simultaneously; Transformer T1 second subprime coil different name end, polar capacitor C6 negative pole and the resistance R5 other end equal connection circuit ground GND; The Same Name of Ends of transformer T1 third time level coil is connected to diode D4 one end, and the diode D4 other end is connected to polar capacitor C7 positive pole and resistance R6 one end simultaneously; Transformer T1 third time level coil different name end, polar capacitor C7 negative pole and the resistance R6 other end equal connection circuit ground GND.

Switching power circuit output pin OUTPUT1 is electrically connected to the junction of resistance R5 and diode D3;

Another output pin of switching power circuit OUTPUT2 is electrically connected to the junction of resistance R6 and diode D4;

The output common pin GND of switching power circuit is electrically connected to resistance R5, the junction of resistance R6 and circuit ground GND.

LED string is electrically connected between the LED1 pin 1 of binding post P16 and LED2 pin 2.

Based on a lamp string for described LED Christmans light string wireless controller, the LED drive circuit in wireless controller exports two lines and LED and contacts and connect, and wherein, described LED string forms by organizing LED branch circuit parallel connection more, often organizes LED branch road and arranges one or more LED; Or,

Described LED string is in series by organizing LED branch road more, often organizes the LED formation that LED props up one or more groups parallel connection of route.

A using method for described LED Christmans light string wireless controller,

1) LED Christmans light string wireless controller 1 and Christmans light string 17 are connected by lamp serial connection mouth 16;

2) wireless controller 1 connected is connected in user's commercial power socket by ac plug 11;

3) wireless controller 1 sets up Wi-Fi Hotspot after powering on automatically;

4) user uses the electronic equipment such as mobile phone or panel computer 2 to be connected on the Wi-Fi Hotspot of wireless controller 1 foundation by Wi-Fi, and inputs correct password, successful connection;

5) user opens special APP software and just can carry out the work of different mode by control LED Christmans light string 17;

6) user also can directly use manual mode switching push button 14 on wireless controller 1 to carry out the work of different mode to control LED Christmans light string 17 simultaneously.

The invention has the beneficial effects as follows, user can be made by the electronic equipment such as mobile phone or panel computer, LED Christmans light string wireless controller is connected to by Wi-Fi, and then at a distance and control the flash pattern of Christmans light string easily, and the invention enables the reduction of LED Christmans light string controller volume, weight saving, cost reduces and remote control distance increases, and user is more convenient to use.

Accompanying drawing explanation

In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.

Fig. 1 is allomeric function block diagram of the present invention;

Fig. 2 is structural representation of the present invention;

Fig. 3 is a kind of circuit diagram of the inner AC-DC Switching Power Supply of LED Christmans light string wireless controller of the present invention;

Fig. 4 is a kind of circuit diagram of the inner Wi-Fi main control module of LED Christmans light string wireless controller of the present invention;

Fig. 5 is a kind of circuit diagram of the inner LED drive circuit of LED Christmans light string wireless controller of the present invention.

Fig. 6 is a kind of circuit diagram of LED string of the present invention;

Fig. 7 is the another kind of circuit diagram of LED string of the present invention.

Embodiment

Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.

In FIG, a kind of LED Christmans light string wireless controller, it comprises civil power input plug 11, AC-DC Switching Power Supply 12, Wi-Fi main control module 13, mode selecting button 14, LED string drive circuit 15, LED serial connection mouth 16 and LED string 17 and forms; Plug 11 is used for being inserted on the mains-supplied interfaces such as user's socket, exchanges AC power supplies input for LED Christmans light string wireless controller provides; The AC-DC Switching Power Supply 12 of wireless controller inside further converts two-way direct current DC power to interchange AC civil power, one road is supplied to Wi-Fi main control module 13 DC supply, and another road is supplied to LED drive circuit DC supply and works with driving LED lamp string 17; Automatically set up Wi-Fi Hotspot when Wi-Fi main control module 13 1 aspect powers on so that user utilizes mobile phone or panel computer to be connected on the focus of LED string wireless controller by Wi-Fi, obtain the wireless control directives of user; Also user model switching command can be obtained from mode selecting button on the other hand; Through internal arithmetic after Wi-Fi main control module 13 gets user's control command, send LED control signal to LED drive circuit 15, thus utilize the work pattern that LED drive circuit 15 driving LED lamp string 17 is specified according to control command; Lamp serial connection 16, mouth provides LED drive circuit 15 interface with LED string 17, ensures the safety of lamp string and LED wireless controller and is connected reliably, while also facilitate user's lamp removal string and controller, be convenient to receive.

In fig. 2, a kind of LED Christmans light string wireless controller, it comprises control box 1 and LED string 17, is provided with AC-DC Switching Power Supply 12, Wi-Fi main control module 13 and LED string drive circuit 15 in control box; And control box 1 is provided with plug 11 and switching push button 14; Switching power circuit one end is electrically connected to AC power by plug, and its other end inputs to control board circuit; And control board circuit exports two lines is connected with LED drive circuit; LED drive circuit exports two lines and connects LED string by lamp serial connection mouth 16.

LED Christmans light string wireless controller workflow:

1) LED Christmans light string wireless controller 1 and Christmans light string 17 are connected by lamp serial connection mouth 16;

2) wireless controller 1 connected is connected in user's commercial power socket by plug 11;

3) wireless controller 1 sets up Wi-Fi Hotspot after powering on automatically;

4) user uses the electronic equipment such as mobile phone or panel computer 2 to be connected on the Wi-Fi Hotspot of wireless controller 1 foundation by Wi-Fi, and inputs correct password, successful connection;

5) user opens special APP software and just can carry out the work of different mode by control LED Christmans light string 17;

6) user also can directly use manual mode switching push button 14 on wireless controller 1 to carry out the work of different mode to control LED Christmans light string 17 simultaneously.

With reference to Fig. 3 to Fig. 7, a kind of LED Christmans light string wireless controller:

Switching power circuit 12 comprises hot overcurrent relay FR1, full bridge rectifier RD1, filter circuit and reduced output voltage circuit; Hot overcurrent relay FR1 one end is electrically connected to the live wire end L of AC power, and its other end is electrically connected to full bridge rectifier one end, and the full bridge rectifier other end is electrically connected to filter circuit one end;

The filter circuit other end is electrically connected to reduced output voltage circuit on one side, the first via of the reduced output voltage circuit other end exports and is electrically connected to power supply output pin OUTPUT1 pin, and the second tunnel of the reduced output voltage circuit other end exports and is electrically connected to power supply output pin OUTPUT2 pin.The present invention's hot overcurrent relay FR1 exceedes setting electric current by molten disconnected, plays short-circuit protection effect.

Full bridge rectifier RD1 is made up of 4 silicon rectifier diodes, the live wire end L of AC power and zero line side N is connected on the alternating current input of full bridge rectifier respectively, the positive pole connection circuit positive pole of full bridge rectifier DC output end, the negative pole connection circuit ground GND of full bridge rectifier output.

Filter circuit is made up of polar capacitor C1, inductor L1 and polar capacitor C2, the positive pole of polar capacitor C1 positive pole, inductor L1 inlet wire termination full bridge rectifier DC output end, polar capacitor C1 negative pole connection circuit ground GND, inductor L1 leading-out terminal is connected with polar capacitor C2 positive pole, polar capacitor C2 negative pole connection circuit ground GND.

Full bridge rectifier of the present invention, filter circuit had both filtered AC power clutter, and export direct current after making again rectification level and smooth, play the noise jamming of interior circuit to AC power, EMC is effective simultaneously.

Reduced output voltage circuit comprises Switching Power Supply control chip IC1, transformer T1, resistance R1, resistance R2, resistance R3, resistance R4, resistance R5, resistance R7, resistance R8, polar capacitor C3, electric capacity C4, electric capacity C5, polar capacitor C6, polar capacitor C7, electric capacity CY1, diode D1, diode D2, diode D3, diode D4 and triode Q1; The pin 1 connection circuit ground GND of Switching Power Supply control chip IC1, pin 2 connecting resistance R8 one end of Switching Power Supply control chip IC1, the pin 3 of Switching Power Supply control chip IC1 connects triode Q1 base stage, pin 4 connecting resistance R3 one end and resistance R4 one end simultaneously of Switching Power Supply control chip IC1, the pin 5 of Switching Power Supply control chip IC1 connects electric capacity C5 one end, and the pin 6 of Switching Power Supply control chip IC1 connects polar capacitor C3 positive pole, diode D2 one end and resistance R7 one end simultaneously; Polar capacitor C3 negative pole is connection circuit ground GND and the electric capacity C5 other end simultaneously, and the resistance R8 other end is connected to triode Q1 emitter and resistance R1 one end simultaneously, resistance R1 other end connection circuit ground GND; Resistance R3 other end connection circuit ground GND, the resistance R4 other end connects the Same Name of Ends of the diode D2 other end and transformer T1 first secondary coil simultaneously, different name end connection circuit ground GND and electric capacity CY1 one end simultaneously of transformer T1 first secondary coil, electric capacity CY1 other end connection circuit ground GND; Triode Q1 collector electrode is connected to the Same Name of Ends of diode D1 one end and transformer T1 primary coil simultaneously; The resistance R7 other end is connected to the different name end of filter circuit, resistance R2, electric capacity C4 and transformer T1 primary coil simultaneously; The resistance R2 other end is connected to the electric capacity C4 other end and the diode D1 other end simultaneously; The Same Name of Ends of transformer T1 second subprime coil is connected to diode D3 one end simultaneously, and the diode D3 other end is connected to polar capacitor C6 positive pole and resistance R5 one end simultaneously;

Transformer T1 second subprime coil different name end, polar capacitor C6 negative pole and the resistance R5 other end equal connection circuit ground GND; The Same Name of Ends of transformer T1 third time level coil is connected to diode D4 one end, and the diode D4 other end is connected to polar capacitor C7 positive pole and resistance R6 one end simultaneously; Transformer T1 third time level coil different name end, polar capacitor C7 negative pole and the resistance R6 other end equal connection circuit ground GND.Electric capacity CY1 plays input, the output coupling of transformer T1, improves stability.

Switching Power Supply output pin OUTPUT1 is electrically connected to the junction of resistance R5 and diode D3; Another output pin of Switching Power Supply OUTPUT2 is electrically connected to the junction of resistance R6 and diode D4; The output common pin GND of Switching Power Supply is electrically connected to resistance R5, the junction of resistance R6 and circuit ground GND.

Wi-Fi is wireless, and main control module circuit comprises linear voltage stabilization decoupling wave circuit, Wi-Fi main control module circuit, mode selecting button, upgrading debugging interface and LED drive circuit control signal exports;

Linear voltage stabilization decoupling filter circuit comprises LDO voltage stabilizer U131 and filtering decoupling capacitor C131, linear voltage stabilization decoupling filter circuit input pin INPUT2 is electrically connected to from Switching Power Supply output pin OUTPUT2, Switching Power Supply exports common pin GND and is electrically connected on the common pin GND of linear voltage stabilization decoupling filter circuit, simultaneously, INPUT2 input pin is electrically connected to the input pin 1 of LDO voltage stabilizer U131, the common pin 2 of LDO voltage stabilizer U131 is electrically connected to the common pin GND of linear voltage stabilization decoupling filter circuit, the voltage stabilizing output pin 3 of LDO voltage stabilizer U131 is electrically connected to electric capacity C131 one end, the junction of the power supply VCC pin 8 of resistance R131 one end and Wi-Fi main control module circuit, other one section of electric capacity C131 is electrically connected on power supply common pin GND, and the resistance R131 other end is connected to the chip enable signal CHPD pin 3 of Wi-Fi main control module circuit,

Wi-Fi main control module circuit comprises Wi-Fi module U132 and sheet selects enable pull-up resistor R131, Wi-Fi module U132 reset pin 1 to be electrically connected to the pin 1 of the debugging interface P131 that upgrades; The ADC pin 2 of Wi-Fi module U132 is unsettled; The sheet of Wi-Fi module U132 select CHPD pin 3 to be electrically connected to one end that sheet selects enable pull-up resistor R131, the other end of resistance R131 is electrically connected on the output pin 3 of LDO chip U131; The GPIO16 pin 4 of Wi-Fi module U132 is unsettled; The GPIO14 pin 5 of Wi-Fi module U132 is electrically connected to LED drive circuit signal pins LED_CON1; The GPIO12 pin 6 of Wi-Fi module U132 is electrically connected to LED drive circuit signal pins LED_CON2; The GPIO13 pin 7 of Wi-Fi module U132 is unsettled; The power supply VCC pin 8 of Wi-Fi module U132 is electrically connected to the junction of LDO voltage stabilizing chip U131 and filtering decoupling capacitor C131 one end; The power supply ground GND pin 9 of Wi-Fi module U132 is electrically connected on the pin of GND publicly 2 of LDO voltage stabilizing chip U131; The GPIO15 pin 10 of Wi-Fi module U132 is unsettled; The GPIO2 pin 11 of Wi-Fi module U132 is electrically connected to 1 end of mode selecting button K131; The GPIO0 pin 12 of Wi-Fi module U132, RXD pin 15 and TXD pin 16 are electrically connected to the pin 4 of the debugging interface P131 that upgrade, pin 3 and pin 2 respectively; The GPIO5 pin 13 of Wi-Fi module U132 is all unsettled with GPIO4 pin 14; Meanwhile, Wi-Fi module U132 carries pcb board and carries antenna and be linked into U132 inside modules.

1 end of mode selecting button K131 is electrically connected on the GPIO2 pin 11 of Wi-Fi module U132, and 2 ends of K131 are connected to power supply GND publicly.

The pin 1 of upgrading debugging interface P131, pin 2, pin 3, pin 4 and pin 5 are electrically connected to the pin 1 of Wi-Fi module U132, pin 16, pin 15, pin 12 and power supply GND publicly respectively;

LED drive circuit control signal output line LED_CON1 one end is electrically connected to the GPIO14 pin 5 of Wi-Fi module U132, and the LED drive circuit control signal output line LED_CON1 other end is electrically connected to one end of LED drive circuit input signal cable LED_CON1 and resistance R151; LED drive circuit control signal output line LED_CON2 one end is electrically connected to the GPIO12 pin 6 of Wi-Fi module U132, and the LED drive circuit control signal output line LED_CON2 other end is electrically connected to one end of LED drive circuit input signal cable LED_CON2 and resistance R152;

LED drive circuit is made up of resistance R151, resistance R152, resistance R153, resistance R154, NPN triode Q151, NPN triode Q152, PNP triode Q153, PNP triode Q154; Control signal wire LED_CON1 and LED_CON2 from Wi-Fi main control module is electrically connected to one end of resistance R151 and R152 respectively, other one end of resistance R151 is electrically connected to the base stage of NPN triode Q151, the other end of resistance R152 is electrically connected to the base stage of NPN triode Q152, and the emitter-base bandgap grading of NPN triode Q151 and NPN triode Q152 is together connected to power supply GND place publicly; The collector electrode of NPN triode Q151 and NPN triode Q152 is then connected to the collector electrode of PNP triode Q153 and PNP triode Q154 triode respectively; The emitter-base bandgap grading of PNP triode Q153 and PNP triode Q154 is together connected to power output leads INPUT1, and INPUT1 lead-in wire is then connected on the output lead OUTPU1 of Switching Power Supply; The base stage of PNP triode Q153 is electrically connected to one end of resistance R153, and the other end of resistance R153 is electrically connected to the collector electrode of PNP triode Q153, the collector electrode of NPN triode Q152 and LED string and goes between the node place of LED1 three; The base stage of PNP triode Q154 is electrically connected on one end of resistance R154, and the other end of resistance R154 is electrically connected to the collector electrode of PNP triode Q153, the collector electrode of NPN triode Q151 and LED string and goes between the node place of LED2 three;

LED string is electrically connected between the LED1 pin 1 of binding post P16 and LED2 pin 2.

LED string forms by organizing LED branch circuit parallel connection more, often organizes LED branch road and arranges one or more LED.

The circuit of this LED string adopts first mode of connecting again in parallel to combine, and 10-100 lamp can save 50-60% electric wire.

Preferably, LED string is in series by one group of LED branch road, often organizes the LED formation that LED props up one or more groups parallel connection of route.The circuit of this lamp string adopts mode in parallel again of first connecting to combine, and 100-1000 lamp can save 40-50% electric wire.

The model that Wi-Fi main control module U132 of the present invention adopts is ESP8266-12, its ESP8266 is the UART-WiFi transparent transmission module of a super low-power consumption, have the package dimension and super low energy consumption technology that are rich in the industry competitiveness, aim at mobile device and Internet of Things application design, can the physical equipment of user be connected on Wi-Fi wireless network, carry out the Internet or local area network communication, realize network savvy.This module can provide general GPIO pin to carry out implementation pattern switching push button simultaneously, Wi-Fi Hotspot is provided to provide controlled in wireless passage by built-in ap mode, module receives button or wireless instructions and can produce 2 road PWM and export, and controls LED drive circuit, and then the work of driving LED lamp string; Save a single-chip microcomputer, decrease circuit volume and the components and parts cost of LED Christmans light string wireless controller.

The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.

Claims (9)

1. a LED Christmans light string wireless controller, is characterized in that: there are the wireless main control module of switching power circuit, Wi-Fi and LED drive circuit in wireless controller inside; And controller is provided with ac plug, switching push button and LED serial connection mouth; Switching power circuit one end is electrically connected to AC power by ac plug, and the other end inputs to the wireless main control module of Wi-Fi; Wi-Fi is wireless, and main control module circuit exports 2 road control lines to LED drive circuit, and the exportable voltage of LED drive circuit is to adaptive LED string.

2. LED Christmans light string wireless controller as claimed in claim 1, it is characterized in that, Wi-Fi is wireless, and main control module comprises linear voltage stabilization decoupling wave circuit, Wi-Fi main control module circuit, mode selecting button, upgrading debugging interface and LED drive circuit control signal output line;

Linear voltage stabilization decoupling filter circuit comprises LDO voltage stabilizer U131 and filtering decoupling capacitor C131, linear voltage stabilization decoupling filter circuit input pin INPUT2 is electrically connected to from switching power circuit output pin OUTPUT2, switching power circuit exports common pin GND and is electrically connected on the common pin GND of linear voltage stabilization decoupling filter circuit, simultaneously, INPUT2 input pin is electrically connected to the input pin 1 of LDO voltage stabilizer U131, the common pin 2 of LDO voltage stabilizer U131 is electrically connected to the common pin GND of linear voltage stabilization decoupling filter circuit, the voltage stabilizing output pin 3 of LDO voltage stabilizer U131 is electrically connected to electric capacity C131 one end, resistance R131 one end is connected with the power supply VCC pin 8 of Wi-Fi main control module circuit, the other one end of electric capacity C131 is electrically connected on power supply common pin GND, and the resistance R131 other end is connected to the chip enable signal CHPD pin 3 of Wi-Fi main control module circuit,

Wi-Fi main control module circuit comprises Wi-Fi module U132 and sheet selects enable pull-up resistor R131, Wi-Fi module U132 reset pin 1 to be electrically connected to the pin 1 of the debugging interface P131 that upgrades; The ADC pin 2 of Wi-Fi module U132 is unsettled; The sheet of Wi-Fi module U132 select CHPD pin 3 to be electrically connected to one end that sheet selects enable pull-up resistor R131, the other end of resistance R131 is electrically connected on the output pin 3 of LDO voltage stabilizer U131; The GPIO16 pin 4 of Wi-Fi module U132 is unsettled; The GPIO14 pin 5 of Wi-Fi module U132 is electrically connected to LED drive circuit signal pins LED_CON1; The GPIO12 pin 6 of Wi-Fi module U132 is electrically connected to LED drive circuit signal pins LED_CON2; The GPIO13 pin 7 of Wi-Fi module U132 is unsettled; The power supply VCC pin 8 of Wi-Fi module U132 is electrically connected to the junction of LDO voltage stabilizer U131 and filtering decoupling capacitor C131 one end; The power supply ground GND pin 9 of Wi-Fi module U132 is electrically connected on the pin of GND publicly 2 of LDO voltage stabilizer U131; The GPIO15 pin 10 of Wi-Fi module U132 is unsettled; The GPIO2 pin 11 of Wi-Fi module U132 is electrically connected to 1 end of mode selecting button K131; The GPIO0 pin 12 of Wi-Fi module U132, RXD pin 15 and TXD pin 16 are electrically connected to the pin 4 of the debugging interface P131 that upgrade, pin 3 and pin 2 respectively; The GPIO5 pin 13 of Wi-Fi module U132 is all unsettled with GPIO4 pin 14; Meanwhile, Wi-Fi module U132 carries pcb board and carries antenna and be linked into U132 inside modules;

1 end of mode selecting button K131 is electrically connected on the GPIO2 pin 11 of Wi-Fi module U132, and 2 ends of K131 are connected to power supply GND publicly;

LED drive circuit control signal output line LED_CON1 one end is electrically connected to the GPIO14 pin 5 of Wi-Fi module U132, and the LED drive circuit control signal output line LED_CON1 other end is electrically connected to one end of resistance R151; LED drive circuit control signal output line LED_CON2 one end is electrically connected to the GPIO12 pin 6 of Wi-Fi module U132, and the LED drive circuit control signal output line LED_CON2 other end is electrically connected to one end of resistance R152;

LED drive circuit is made up of resistance R151, resistance R152, resistance R153, resistance R154, NPN triode Q151, NPN triode Q152, PNP triode Q153, PNP triode Q154; Control signal wire LED_CON1 and LED_CON2 from the wireless main control module of Wi-Fi is electrically connected to one end of resistance R151 and R152 respectively, other one end of resistance R151 is electrically connected to the base stage of NPN triode Q151, the other end of resistance R152 is electrically connected to the base stage of NPN triode Q152, and the emitter-base bandgap grading of NPN triode Q151 and NPN triode Q152 is together connected to power supply GND place publicly; The collector electrode of NPN triode Q151 and NPN triode Q152 is then connected to the collector electrode of PNP triode Q153 and PNP triode Q154 triode respectively; The emitter-base bandgap grading of PNP triode Q153 and PNP triode Q154 is together connected to power output leads INPUT1, and INPUT1 lead-in wire is then connected on the output lead OUTPU1 of Switching Power Supply; The base stage of PNP triode Q153 is electrically connected to one end of resistance R153, and the other end of resistance R153 is electrically connected to the collector electrode of PNP triode Q154, the collector electrode of NPN triode Q152 and LED string and goes between the node place of LED1 three; The base stage of PNP triode Q154 is electrically connected on one end of resistance R154, and the other end of resistance R154 is electrically connected to the collector electrode of PNP triode Q153, the collector electrode of NPN triode Q151 and LED string and goes between the node place of LED2 three.

3. LED Christmans light string wireless controller as claimed in claim 2, it is characterized in that, switching power circuit comprises hot overcurrent relay FR1, full bridge rectifier, filter circuit and reduced output voltage circuit; Hot overcurrent relay FR1 one end is electrically connected to the live wire end L of AC power, and its other end is electrically connected to full bridge rectifier one end, and the full bridge rectifier other end is electrically connected to filter circuit one end; The filter circuit other end is electrically connected to reduced output voltage circuit on one side, the first via of the reduced output voltage circuit other end exports and is electrically connected to power supply output pin OUTPUT1 pin, and the second tunnel of the reduced output voltage circuit other end exports and is electrically connected to power supply output pin OUTPUT2 pin.

4. LED Christmans light string wireless controller as claimed in claim 3, it is characterized in that, full bridge rectifier is made up of 4 silicon rectifier diodes, the live wire end L of AC power and zero line side N is connected on the alternating current input of full bridge rectifier respectively, the positive pole connection circuit positive pole of full bridge rectifier DC output end, the negative pole connection circuit ground GND of full bridge rectifier output.

5. LED Christmans light string wireless controller as claimed in claim 4, it is characterized in that, filter circuit is made up of polar capacitor C1, inductor L1 and polar capacitor C2, the positive pole of polar capacitor C1 positive pole, inductor L1 inlet wire termination full bridge rectifier DC output end, polar capacitor C1 negative pole connection circuit ground GND, inductor L1 leading-out terminal is connected with polar capacitor C2 positive pole, polar capacitor C2 negative pole connection circuit ground GND.

6. the LED Christmans light string wireless controller according to any one of claim 3-5, it is characterized in that, reduced output voltage circuit comprises switching power source chip IC1, transformer T1, resistance R1, resistance R2, resistance R3, resistance R4, resistance R5, resistance R7, resistance R8, polar capacitor C3, electric capacity C4, polar capacitor C5, electric capacity C6, electric capacity CY1, diode D1, diode D2, diode D3, diode D4 and triode Q1;

The pin 1 connection circuit ground GND of switching power source chip IC1, pin 2 connecting resistance R8 one end of switching power source chip IC1, the pin 3 of switching power source chip IC1 connects triode Q1 base stage, pin 4 connecting resistance R3 one end and resistance R4 one end simultaneously of switching power source chip IC1, the pin 5 of switching power source chip IC1 connects electric capacity C5 one end, and the pin 6 of switching power source chip IC1 connects polar capacitor C3 positive pole, diode D2 one end and resistance R7 one end simultaneously;

Polar capacitor C3 negative pole is connection circuit ground GND and the electric capacity C5 other end simultaneously, and the resistance R8 other end is connected to triode Q1 emitter and resistance R1 one end simultaneously, resistance R1 other end connection circuit ground GND; Resistance R3 other end connection circuit ground GND, the resistance R4 other end connects the Same Name of Ends of the diode D2 other end and transformer T1 first secondary coil simultaneously, different name end connection circuit ground GND and electric capacity CY1 one end simultaneously of transformer T1 first secondary coil, electric capacity CY1 other end connection circuit ground GND; Triode Q1 collector electrode is connected to the Same Name of Ends of diode D1 one end and transformer T1 primary coil simultaneously;

The resistance R7 other end is connected to the different name end of filter circuit, resistance R2, electric capacity C4 and transformer T1 primary coil simultaneously; The resistance R2 other end is connected to the electric capacity C4 other end and the diode D1 other end simultaneously;

The Same Name of Ends of transformer T1 second subprime coil is connected to diode D3 one end simultaneously, and the diode D3 other end is connected to electrodeless electric capacity C6 positive pole and resistance R5 one end simultaneously; Transformer T1 second subprime coil different name end, polar capacitor C6 negative pole and the resistance R5 other end equal connection circuit ground GND; The Same Name of Ends of transformer T1 third time level coil is connected to diode D4 one end, and the diode D4 other end is connected to polar capacitor C7 positive pole and resistance R6 one end simultaneously; Transformer T1 third time level coil different name end, polar capacitor C7 negative pole and the resistance R6 other end equal connection circuit ground GND.

7. LED Christmans light string wireless controller as claimed in claim 6, it is characterized in that, switching power circuit output pin OUTPUT1 is electrically connected to the junction of resistance R5 and diode D3; Another output pin of switching power circuit OUTPUT2 is electrically connected to the junction of resistance R6 and diode D4; The output common pin GND of switching power circuit is electrically connected to resistance R5, the junction of resistance R6 and circuit ground GND.

8. LED Christmans light string wireless controller as claimed in claim 7, is characterized in that, be electrically connected LED string between the LED1 pin 1 of binding post P16 and LED2 pin 2.

9. based on a lamp string for LED Christmans light string wireless controller according to claim 1, it is characterized in that: the LED drive circuit in wireless controller exports two lines and LED and contacts and connect, wherein,

Described LED string forms by organizing LED branch circuit parallel connection more, often organizes LED branch road and arranges one or more LED; Or,

Described LED string is in series by organizing LED branch road more, often organizes the LED formation that LED props up one or more groups parallel connection of route.