CN215345143U - Full-color Christmas lamp control device based on chip of Internet of things - Google Patents

Abstract

The utility model discloses a full-color Christmas lamp control device based on an Internet of things chip, which comprises: the Internet of things circuit is used for receiving a control command of the full-color Christmas lamp by utilizing the Internet of things chip and converting the control command into a Christmas lamp control signal for output; the driving circuit is connected with the anode and the cathode of the full-color Christmas lamp string and is used for superposing the Christmas lamp control signal on a power supply line and outputting the signal to the full-color Christmas lamp; and the power supply module is used for providing power for the Internet of things circuit and the driving circuit.

Description

Full-color Christmas lamp control device based on chip of Internet of things

Technical Field

The utility model relates to the technical field of Internet of things, in particular to a full-color Christmas lamp control device for realizing two-line full-color (RGB) Christmas lamps based on an Internet of things chip.

Background

In western Christmas, people need to decorate Christmas trees, various ornaments are arranged on the Christmas trees, the Christmas colored lamp is a decorative lamp hung on the Christmas trees, the Christmas colored lamp is the most common and most main ornament, and nearly every Christmas tree is decorated with flashing colored lamps. Generally, the christmas lights are classified into single-color christmas lights, double-color christmas lights, and the like.

The control of the Christmas colored lamp in the current market mainly adopts the following two types: one is the full-color Christmas lamp of infrared remote control, namely adopt the infrared remote controller to control the Christmas lamp, the disadvantage of this kind of mode is that the control distance is short, the fixed direction of remote control, and there is no feedback function; secondly, take full-color christmas lamp of button, adopt the button to control christmas lamp promptly, the shortcoming of this kind of mode is that can only control closely, unable remote control, and use button control function singleness.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects in the prior art, the utility model aims to provide a full-color Christmas lamp control device based on an Internet of things chip, so that the full-color Christmas lamp is changed by combining the Internet of things technology with the full-color Christmas lamp.

In order to achieve the above and other objects, the present invention provides a full-color christmas lamp control device based on an internet of things chip, wherein the control device comprises:

the Internet of things circuit receives a control command of the full-color Christmas lamp by using the Internet of things chip and converts the control command into a Christmas lamp control signal;

the driving circuit is connected with the anode and the cathode of the full-color Christmas lamp string and superposes the Christmas lamp control signal on a power supply line to output to the full-color Christmas lamp;

and the power supply module is used for providing power for the Internet of things circuit and the driving circuit.

Preferably, the full-color christmas lamp control device further comprises a control circuit, wherein the control circuit is used for receiving the christmas lamp control signal output by the internet of things circuit, processing the christmas lamp control signal according to a protocol and outputting the processed christmas lamp control signal to the driving circuit, so that the christmas lamp control signal is superposed on a power supply line through the driving circuit.

Preferably, the driving circuit comprises a first switching tube (Q1), a second switching tube (Q2), a third switching tube (Q3), a first isolation resistor (R14), a second isolation resistor (R15) and a current limiting resistor (R16), the source electrode and the substrate or the emitter electrode of the first switching tube (Q1), the second switching tube (Q2) and the third switching tube (Q3) are grounded, the grid or base of the first switch tube (Q1) and the second switch tube (Q2) is connected to the second output end of the control circuit through the second isolation resistor (R15), the gate or base of the third switch tube (Q3) is connected to the first output end of the control circuit through the first isolation resistor (R14), the drains or collectors of the first switching tube (Q1) and the second switching tube (Q2) are connected with the negative output electrode, the drain or collector of the third switching tube (Q3) is connected with the negative electrode of the output through the current limiting resistor (R16).

Preferably, the driving circuit comprises a fourth switching tube (Q4) and a third isolation resistor (R21), wherein the source electrode and the substrate or the emitter electrode of the fourth switching tube (Q4) are grounded, the grid electrode or the base electrode is connected to the first output end of the control circuit through the third isolation resistor (R21), and the drain electrode or the collector electrode is connected with the output cathode.

Preferably, controlling means still includes the sound collection circuit for with the sound signal amplification back transmission that gathers through the microphone extremely thing networking circuit, in order to adjust according to sound rhythm the full-color christmas lamp.

Preferably, the sound collection circuit comprises a connection operational amplification circuit (U4A), a first non-inverting terminal bias resistor (R8), a second non-inverting terminal bias resistor (R9), a microphone matching resistor (R7), a blocking capacitor (C13), an output isolation resistor (R11), a first gain setting resistor (R10), a second gain setting resistor (R12), wherein the microphone connects an audio signal to one end of the microphone matching resistor (R7) and one end of a blocking capacitor (C13), the other end of the blocking capacitor (C13) is connected to an inverting input terminal of the operational amplification circuit (U4A) and one end of a second gain setting resistor (R12) through a first gain setting resistor (R10), the other end of the second gain setting resistor (R12) is connected to an output terminal of the operational amplification circuit (U4A) and one end of the output isolation resistor (R11), the common ends of the first in-phase terminal bias resistor (R8) and the second in-phase terminal bias resistor (R9) are connected to the in-phase input end of the operational amplification circuit (U4A), the other end of the first in-phase terminal bias resistor (R8), the other end of the microphone matching resistor (R7) and the positive power input end of the operational amplification circuit (U4A) are connected with direct current low voltage, the other end of the second in-phase terminal bias resistor (R9) and the negative power input end of the operational amplification circuit (U4A) are grounded, and one end of the output isolation resistor (R11) is connected to the Internet of things chip (U1).

Preferably, the control device further comprises an infrared receiving circuit, which is used for receiving a control command of the infrared remote controller and transmitting the control command to the internet of things circuit for decoding to obtain the control signal output of the christmas lamp.

Preferably, the control device further comprises a key circuit, and the key circuit is connected with the internet of things circuit to receive the key action of the user and transmit the key action to the internet of things circuit through a key.

Preferably, the control command comprises a control command from a smart terminal or a wireless remote controller.

Preferably, the control device further includes a voltage stabilizing circuit, so as to convert the input direct current high voltage VCC into direct current low voltage to be provided to the sound collecting circuit, the key circuit, the infrared receiving circuit, the internet of things circuit and the control circuit, and simultaneously provide the input direct current high voltage to the driving circuit.

Compared with the prior art, the full-color Christmas lamp control device based on the Internet of things receives the control command of the intelligent device through the chip of the Internet of things, converts the control command into the Christmas lamp control signal and outputs the Christmas lamp control signal to the driving circuit, the driving circuit is connected with the anode and the cathode of the full-color Christmas lamp string, the driving circuit is used for superposing the Christmas lamp control signal on the power supply line and outputting the Christmas lamp control signal to the full-color Christmas lamp, the full-color change effect is achieved, the two-line RGB full-color Christmas lamp is controlled, and the purpose of controlling the full-color Christmas lamp through the two power supply lines is achieved.

Drawings

Fig. 1 is a system architecture diagram of a full-color christmas lamp control device based on an internet of things chip according to a first embodiment of the present invention;

fig. 2 is a circuit structure diagram of an internet of things circuit in a first embodiment of the utility model;

FIG. 3 is a circuit diagram of a control circuit and a driving circuit according to a first embodiment of the present invention;

FIG. 4 is a circuit diagram of another embodiment of the control circuit and the driving circuit according to the first embodiment of the present invention;

FIG. 5 is a circuit diagram of a sound collection circuit according to a first embodiment of the present invention;

FIG. 6 is a circuit diagram of an infrared receiving circuit according to a first embodiment of the present invention

FIG. 7 is a circuit diagram of a key circuit according to a first embodiment of the present invention;

FIG. 8 is a circuit configuration diagram of a voltage regulator circuit according to a first embodiment of the present invention;

fig. 9 is a system architecture diagram of a full-color christmas lamp control device based on an internet of things chip according to a second embodiment of the utility model;

fig. 10 is a circuit configuration diagram of an internet of things circuit in a second embodiment of the utility model;

fig. 11 is a circuit configuration diagram of a driving circuit in a second embodiment of the present invention.

Detailed Description

Other advantages and capabilities of the present invention will be readily apparent to those skilled in the art from the present disclosure by describing the embodiments of the present invention with specific embodiments thereof in conjunction with the accompanying drawings. The utility model is capable of other and different embodiments and its several details are capable of modification in various other respects, all without departing from the spirit and scope of the present invention.

Fig. 1 is a system architecture diagram of a full-color christmas lamp control device based on an internet of things chip according to a first embodiment of the present invention. In this embodiment, as shown in fig. 1, a full-color christmas lamp control device based on an internet of things chip includes:

and the Internet of things circuit 1 is used for receiving a control command for the full-color Christmas lamp by utilizing the Internet of things chip and converting the control command into a Christmas lamp control signal to be output to the control circuit 2.

In the specific embodiment of the utility model, the full-color Christmas lamp is a two-wire RGB Christmas lamp, so that the control signals are superposed on the positive electrode and the negative electrode of the power wire, the LED lamp obtains the control signals after decoding, and the control of the full-color Christmas lamp is realized by using two power supply wires according to the change of the control signals.

In a specific embodiment of the present invention, the control command received by the internet of things circuit 1 may be a control command from an intelligent terminal, for example, a smart phone, and is connected to the smart phone through an internet of things chip to receive a control command sent by a corresponding APP of the smart phone, where the control command may also be a control command sent by a wireless remote controller, that is, the control command sent by a user through the wireless remote controller is received through the internet of things chip, the wireless remote controller may be in a 2.4G frequency band and send data using a bluetooth broadcast packet, and the internet of things chip may be a WIFI single-mode chip, a WIFI & BLE dual-mode chip, a bluetooth chip, a ZIGBEE chip, or another 2.4G chip.

The control circuit 2 is used for receiving the Christmas lamp control signal output by the Internet of things circuit 1, performing corresponding processing on the Christmas lamp control signal and outputting the Christmas lamp control signal to the driving circuit 3 so as to superpose the control signal on a power supply line through the driving circuit, namely, the control circuit 2 converts the Christmas lamp control signal output by the Internet of things circuit 1 into a driving signal so as to control the output of the driving circuit 3; the driving circuit 3 is connected with the anode and the cathode of the full-color Christmas lamp string, and outputs a Christmas lamp control signal output by the control circuit to the full-color Christmas lamp by superposing the Christmas lamp control signal on a power supply line so as to realize a full-color change effect; and the power supply module 4 is used for providing power supply for other modules.

As shown in fig. 2, the internet of things circuit 1 is composed of an internet of things CHIP U1, filter capacitors C1-C4, matching capacitors C5-C7, a starting resistor R1, a pull-up permission resistor R2, a crystal Y1, an antenna J0, and a socket P1 connected with a christmas lamp, and is configured to receive a control command through communication with a smart terminal or a wireless remote controller, specifically, the internet of things CHIP U1 receives a control command of the smart terminal or the wireless remote controller through the antenna J0, processes the received control command, converts the control command into a full-color christmas lamp control signal UART _ TX and outputs the full-color lamp control signal UART _ TX to the control circuit 2 through a general purpose input/output port GPIO16 (pin 27), the 17 pin of the internet of the CHIP U1 is connected with one end of the starting resistor R1 and a test pin BOOT to form a start-BOOT node, the other end of the starting resistor R1 is grounded, the permission terminal CHIP P _ EN (pin 12) of the internet of the CHIP U1 is connected to the pull-up permission resistor R2 and the direct current low-voltage V33, and the power terminal of the CHIP U465 is grounded through a filter capacitor VDD1, a power supply end AVDD15 (pin 10) of the Internet of things chip U1 is grounded through a filter capacitor C2; the power supply terminal AVDD33_1/AVDD33_2(7/8 pin) of the Internet of things chip U1 is grounded through a filter capacitor C4, the power supply terminal VDD33_ DCDC (23 pin) of the Internet of things chip U1 is grounded through a filter capacitor C3, the power supply terminal AVDD33_1/AVDD33_2(7/8 pin), the power supply terminal AVDD18(11 pin), the power supply terminal AVDD33_ AON (15 pin), the power supply terminal VDD33_ DCDC (23 pin), the power supply terminal SW _ DCDC (24 pin), the power supply terminal DCDC _ OUT (25 pin) and the power supply terminal VDDIO _1(32 pin) of the Internet of things chip U1 are connected with a direct-current low-voltage V33; a general input/output port GPIO7 (pin 16) of the chip U1 of the Internet of things is connected to a test pin UART _ RX, a general input/output port GPIO16 (pin 27) of the chip U1 of the Internet of things is connected to the test pin UART _ TX, and an oscillation input XIN (pin 1) and an oscillation output XOUT (pin 3) of the crystal oscillator Y1 are respectively connected to an oscillation input XTAL _ IN (pin 18) and an oscillation output XTAL _ OUT (pin 19) of the chip U1 of the Internet of things; an antenna end ANT (pin 9) of the internet of things chip U1 is connected to the antenna J0 through a matching capacitor C6, the matching capacitors C5 and C7 are respectively connected in parallel between two ends of the matching capacitor C6 and the ground to form a pi-type matching network with the antenna C6, in a specific embodiment of the present invention, the antenna J0 may be a PCB antenna (PCB _ ANT) or an external antenna, which is not limited in the present invention.

In the utility model, the full-color Christmas lamp has two kinds of lamp beads, one lamp bead needs two control signals, and the other lamp bead only needs one control signal. For a lamp bead requiring two control signals, because the chip U1 of the internet of things can only provide 1 control signal, a separate control circuit is required to process and output corresponding signals, as shown in fig. 3, the control circuit 2 is composed of a control chip U3, a pull-up resistor R20 and an isolation resistor R17, and is used for converting a christmas lamp control signal UART _ TX output by the circuit 1 of the internet of things into a signal required by the driving circuit 3; the driving circuit 3 is composed of isolation resistors R14-R15, a current limiting resistor R16, a switching device Q1, Q2 and Q3, and is used for driving and transmitting signals output by the control circuit 2 to the positive and negative electrodes of the christmas lamp, specifically, a general input/output port GPIO16 (pin 27) of an internet of things chip U1 is connected with one end of a pull-up resistor R20 and one end of an isolation resistor R17 to form a control signal UART _ TX node, the other end of the pull-up resistor R20 is connected to a direct-current low-voltage V33, the other end of the isolation resistor R17 is connected to an input end (pin 4) of a control chip U3, a power positive end (pin 1) of the control chip U3 is connected to the direct-current low-voltage V33, a power negative end (pin 8) of the control chip U3 is grounded, a first output end (pin 5) and a second output end (pin 6) of the control chip U3 are connected to the driving circuit 3, the switching device Q1, Q2, Q2, Q3, or an NPN transistor, taking MOS tubes as an example, the G pole of the switching device Q1, Q2 is connected and connected with the second output terminal (6 pin) of the control chip U3 through R15, the G pole of the switching device Q3 is connected with the first output terminal (5 pin) of the control chip U3 through an isolation resistor R14, the drains of the switching devices Q1, Q2 are connected and connected with the 2 pin of the socket P1, the cathode of the full-color christmas lamp is connected with the 2 pin of the socket P1, the anode of the christmas lamp is connected with the 1 pin (dc high voltage VCC) of the socket P1, the drain of the switching device Q3 is connected with the other end of the current-limiting resistor R16, the sources and the substrate of the switching devices Q1, Q2, Q3 are grounded, the dc high voltage VCC is connected to the 1 pin of the socket P1, namely the driving circuit 3, the christmas lamp control signal output by the three switching tubes Q1, Q2, Q3 is superimposed on the power supply line to the full-color christmas lamp, and connected with the full-color lamp through two switching tubes Q1, Q2 and Q3, the positive pole and the negative pole of the Christmas lamp string are connected, so that the full-color changing effect is realized.

For a lamp bead which only needs one control signal, a driving circuit of the lamp bead can adopt a simpler structure, as shown in fig. 4, in another implementation manner of this embodiment, a control circuit 2 is composed of a control chip U3, a pull-up resistor R20 and an isolation resistor R17, a driving circuit 3 is composed of an isolation resistor R21 and a switching device Q4, and is used for driving and transmitting a signal output by the control circuit 2 to the positive and negative poles of a christmas lamp, similarly, a general input/output port GPIO16 (pin 27) of an internet-of-things chip U1, one end of the pull-up resistor R20 and one end of the isolation resistor R17 are connected to form a control signal UART _ TX node, the other end of the pull-up resistor R20 is connected to a direct-current low-voltage V33, the other end of the isolation resistor R17 is connected to an input end (pin 4) of the control chip U3, a positive power supply end (pin 1) of the control chip U3 is connected to the direct-current low-voltage V33, a negative power supply end (pin 8) of the control chip U3 is grounded, the first output end (5 feet) of the control chip U3 is connected with the switching device Q4 through an isolation resistor R21, the switching device Q4 can be an N-channel MOS transistor or an NPN type triode, taking the MOS transistor as an example, the G pole (gate) of the switching device Q4 is connected to the first output end (5 feet) of the control chip U3 through an isolation resistor R21, the source and the substrate are grounded, the drain is connected to the 2 feet of the socket P1, and the dc high voltage VCC is connected to the 1 foot of the socket P1, that is, in this embodiment, the driving circuit 3 superposes the christmas lamp control signals output by the control circuit RGB on the power supply line through the switching tube Q4 and outputs the superimposed christmas lamp control signals to the full-color christmas lamp, and is connected with the full-color christmas lamp through two wires and connects the positive pole and the negative pole of the christmas lamp string, thereby realizing the full-color change effect.

Preferably, the full-color christmas lamp control device based on the internet of things further comprises a sound acquisition circuit 5, wherein the sound acquisition circuit is used for amplifying external sound signals acquired by a microphone and transmitting the amplified external sound signals to the internet of things circuit so as to adjust the christmas lamp according to sound rhythm. Specifically, as shown in fig. 5, the sound collection circuit 5 is composed of a socket MIC1 connected to the microphone device, an operational amplifier circuit U4A, non-inverting bias resistors R8 to R9, a microphone matching resistor R7, a dc blocking capacitor C13, an output isolation resistor R11, gain setting resistors R10 and R12, the microphone connects an audio signal to one end of the microphone matching resistor R7 and one end of the dc blocking capacitor C13 through the socket MIC1, the gain setting resistor R10 at the other end of the dc blocking capacitor C13 is connected to the inverting input terminal (pin 2) of the operational amplifier circuit U4A and one end of the gain setting resistor R12, the other end of the gain setting resistor R12 is connected to the output terminal (pin 1) of the operational amplifier circuit U4A and one end of the output isolation resistor R11, the common end of the non-inverting bias resistors R8 and R9 is connected to the non-inverting input terminal (pin 3) of the operational amplifier circuit U4A, the other end of the bias resistor R8, the non-inverting input terminal of the operational amplifier circuit U4, the bias resistor R4A, the other end of the operational amplifier circuit LM 7, and the input resistor LM amplifier circuit LM 4 (input resistor LM 23) of the operational amplifier circuit The (pin 8) is connected with the direct-current low-voltage V33, the other end of the bias resistor R9 is grounded with the power input negative end (pin 4) of the operational amplifier circuit U4A, and one end (node ADC) of the output isolation resistor R11 is connected to the general input/output port GPIO14 (pin 22) of the Internet of things chip U1.

Preferably, the full-color christmas lamp control device based on the internet of things further comprises an infrared receiving circuit 6 for receiving a control command of the infrared remote controller and transmitting the control command to the internet of things circuit 1 for decoding to obtain a christmas lamp control signal output. Specifically, as shown in fig. 6, the infrared receiving circuit 6 is composed of an infrared receiving head connected to the socket P1, a pull-up resistor R19, a filter capacitor C14 and an isolation resistor R18, an infrared receiving signal IR node is composed of one end of the pull-up resistor R19, one end of the isolation resistor R18 and a pin 3 connected to the socket P1, the other end of the isolation resistor R18 is connected to a general input/output port GPIO12 (pin 21) of the internet of things chip (BL602) U1 to form an infrared output signal IROUT node, the other end of the pull-up resistor R19, a pin 4 of the socket P1 and one end of the filter capacitor C14 are connected to the dc low voltage V33, and the other end of the filter capacitor C14 and a pin 5/6 of the socket P1 are grounded.

Preferably, the full-color christmas lamp control device based on the internet of things further comprises a key circuit 7 for providing key input for a user, wherein the key can be a mechanical key or a touch key; the key circuit 7 is connected with the internet of things circuit 1, and after a user presses a key, the key action is transmitted to the internet of things circuit 1 through the key. Specifically, as shown in fig. 7, the KEY circuit 7 is composed of a KEY connected to the socket P1 and a KEY pull-up resistor R13, one end of the KEY pull-up resistor R13 is connected to the pin 7 of the socket P1 and the general purpose input output GPIO4 (pin 5) of the internet of things chip U1 to form a KEY signal KEY node, and the other end of the KEY pull-up resistor R13 is connected to the dc low voltage V33.

In the embodiment of the present invention, the power module 4 further converts the input power from a dc high voltage VCC to a dc low voltage V33(3.3V) through the voltage stabilizing circuit 8, and provides power for the microphone circuit 5, the key circuit 7, the infrared receiving circuit 6, the internet of things circuit 1, and the control circuit 2. As shown in fig. 8, the voltage regulator circuit 4 is composed of a DC socket DC1, a voltage regulator chip U2, a protection diode D1, a safety resistor FB1, feedback resistors R4 to R5, a glitch elimination capacitor C9, a compensation resistor R3, a compensation capacitor C8, a pull-up permission resistor R6, an energy storage inductor L1, an output filter capacitor C12, input filter capacitors CE1 to CE2, and C10 to C11, and is configured to convert an input power from a DC high voltage VCC to a DC low voltage V33(3.3V) to supply power to a corresponding circuit, and the voltage regulator circuit has two forms, one is a low dropout regulator LDO, linear voltage regulation, and the other is a DC-DC conversion (DC-DC); LDO is used in small current application occasions, DC-DC is used in large current application occasions, a low-voltage output V33 of a voltage stabilizing circuit 4 is connected with a microphone circuit 5, a key circuit 7, an infrared receiving circuit 6, an Internet of things circuit 1 and a control circuit 2, a direct-current high-voltage VCC is connected with the drive circuit 3, specifically, the direct-current high-voltage VCC is connected to an anode of a protection diode D1 through a direct-current socket DC1, a cathode of the protection diode D1 is connected to a power input positive end VIN (pin 5) of a voltage stabilizing chip U2 through a safety resistor FB1, one end of a pull-up permission resistor R6 and one ends of input filter capacitors CE 1-CE 2 and C10-C11, the other end of the pull-up permission resistor R6 is connected to an allowable end EN (pin 4) of the voltage stabilizing chip U2, a switch output end SW (pin 6) of the voltage stabilizing chip U2 is connected to one end of an energy storage inductor L1 and one end of a compensation capacitor C8, the other end of the compensation capacitor C8 is connected to a compensation end BS 1 (pin) of the voltage stabilizing chip U3, the other end of the energy storage inductor L1 is connected with one end of an output filter capacitor C12, one end of a feedback resistor R5 and one end of a burr removal capacitor C9 to form a direct-current low-voltage V33 node, the other end of the feedback resistor R5 and the other end of the burr removal capacitor C9 are connected with one end of a feedback resistor R4 and connected to a feedback end FB (pin 3) of the voltage stabilizing chip U2, and the other end of the feedback resistor R4, the power input negative end GND (pin 2) of the voltage stabilizing chip U2, and the other ends of the input filter capacitors CE 1-CE 2 and C10-C35 11 are grounded.

Fig. 9 is an architecture diagram of a full-color christmas lamp control device based on an internet of things chip according to a second embodiment of the utility model. In this embodiment, a full-color christmas lamp controlling means based on thing networking chip includes:

the internet of things circuit 10 is used for receiving a control command of the full-color Christmas lamp by using an internet of things chip, converting the control command into a Christmas lamp control signal and outputting the Christmas lamp control signal to the driving circuit 20;

the driving circuit 20 is connected with the anode and the cathode of the full-color Christmas lamp string, and outputs the Christmas lamp control signal to the full-color Christmas lamp by superposing the Christmas lamp control signal on a power supply line;

and the power supply module 30 is used for providing power for the internet of things circuit 10 and the driving circuit 20.

In this embodiment, the internet of things circuit 10 integrates the functions of the control circuit in the first embodiment, so as to omit the control circuit in the first embodiment, as shown in fig. 10, the internet of things circuit 1 is still composed of an internet of things chip U1, filter capacitors C1-C4, matching capacitors C5-C7, a starting resistor R1, a pull-up permission resistor R2, a crystal Y1, an antenna J0, and a socket P1 connected with a christmas lamp, the internet of things chip U1 integrates the functions of the control chip U3 in the first embodiment, and is used for communicating with a smart terminal or a wireless remote controller to receive a control command, processing the received control command, converting the received control command into a christmas lamp control signal XMAX _ DATA, outputting the christmas lamp control signal XMAX _ DATA to the driving circuit 20 through a general input/output port 12 (pin 21) originally serving as a GPIO infrared output signal IROUT pin, and using a general input/output port 20 (pin 29) as an infrared output signal IROUT pin connected with the infrared receiving circuit, since other parts of the internet of things power supply 10 are the same as those of the internet of things circuit 1 in the first embodiment, detailed description thereof is omitted.

In this embodiment, since the chip of the internet of things can only provide 1 control signal, the chip of the internet of things is only suitable for a lamp bead that only needs one control signal, the driving circuit 20 of this embodiment is the same as the driving circuit in fig. 4 of the first embodiment, and as such, the driving circuit 20 is composed of an isolation resistor R21 and a switching device Q4, and is configured to transmit the christmas lamp control signal XMAX _ DATA output by the circuit of the internet of things to the positive electrode and the negative electrode of the christmas lamp after driving, specifically, as shown in fig. 11, the christmas lamp control signal XMAX _ DATA output by the circuit of the internet of things is connected to the switching device Q4 through an isolation resistor R21, the switching device Q4 may be an N-channel MOS transistor or an NPN-type triode, taking an MOS transistor as an example, the G electrode (gate) of the switching device Q4 is connected to the christmas lamp control signal XMAX _ DATA output by the circuit of the internet of things through an isolation resistor R21, the source and the substrate are grounded, and the drain is connected to the 2 pin of the socket P1, direct current high voltage VCC is connected to 1 foot of socket P1, that is to say, in this embodiment, drive circuit 3 passes through switch tube Q4 with the Christmas lamp control signal XMAX _ DATA stack of thing networking circuit output on the power supply line export to full-color Christmas lamp is connected through two lines and full-color RGB Christmas lamp, connects the anodal and the negative pole of Christmas lamp cluster to realize full-color change effect.

Of course, in this embodiment, the full-color christmas lamp control device may also include the infrared receiving circuit 40, the key circuit 50, the sound collecting circuit 60, the voltage stabilizing circuit 70, etc., which are the same as those in the first embodiment and therefore will not be described herein.

In summary, the full-color christmas lamp control device based on the internet of things receives the control command of the intelligent device by using the chip of the internet of things, converts the control command into the christmas lamp control signal and outputs the christmas lamp control signal to the driving circuit, connects the driving circuit with the anode and the cathode of the full-color christmas lamp string, and superposes the christmas lamp control signal on the power supply line by using the driving circuit and outputs the superposed christmas lamp control signal to the full-color christmas lamp, so that the full-color change effect is realized, the purpose of controlling the two-line RGB full-color christmas lamps is realized, and the purpose of controlling the full-color christmas lamp by using the two power supply lines is realized.

The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the utility model. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Therefore, the scope of the utility model should be determined from the following claims.

Claims (10)

1. The utility model provides a full-color christmas lamp controlling means based on thing networking chip which characterized in that, controlling means includes:

the Internet of things circuit receives a control command of the full-color Christmas lamp by using the Internet of things chip and converts the control command into a Christmas lamp control signal;

the driving circuit is connected with the anode and the cathode of the full-color Christmas lamp, superposes the Christmas lamp control signal on a power supply line and outputs the signal to the full-color Christmas lamp;

and the power supply module is used for providing power for the Internet of things circuit and the driving circuit.

2. The full-color Christmas lamp control device based on the chip of the Internet of things as claimed in claim 1, further comprising a control circuit for receiving the Christmas lamp control signal output by the circuit of the Internet of things, processing the Christmas lamp control signal according to a protocol and outputting the processed Christmas lamp control signal to the driving circuit so as to superimpose the Christmas lamp control signal on a power supply line through the driving circuit.

3. The full-color Christmas lamp control device based on the chip of the Internet of things as claimed in claim 2, wherein: the driving circuit comprises a first switching tube (Q1), a second switching tube (Q2), a third switching tube (Q3), a first isolation resistor (R14), a second isolation resistor (R15) and a current limiting resistor (R16), the source electrode and the substrate or the emitter electrode of the first switching tube (Q1), the second switching tube (Q2) and the third switching tube (Q3) are grounded, the grid or base of the first switch tube (Q1) and the second switch tube (Q2) is connected to the second output end of the control circuit through the second isolation resistor (R15), the gate or base of the third switch tube (Q3) is connected to the first output end of the control circuit through the first isolation resistor (R14), the drains or collectors of the first switching tube (Q1) and the second switching tube (Q2) are connected with the negative output electrode, the drain or collector of the third switching tube (Q3) is connected with the negative electrode of the output through the current limiting resistor (R16).

4. The full-color Christmas lamp control device based on the chip of the Internet of things as claimed in claim 2, wherein: the driving circuit comprises a fourth switching tube (Q4) and a third isolation resistor (R21), wherein the source electrode of the fourth switching tube (Q4) is grounded with the substrate or the emitter, the grid electrode or the base electrode is connected to the first output end of the control circuit through the third isolation resistor (R21), and the drain electrode or the collector electrode is connected with the negative output electrode.

5. The full-color Christmas lamp control device based on the chip of the Internet of things as claimed in claim 2, wherein: the control device further comprises a sound acquisition circuit, and the sound acquisition circuit is used for amplifying the sound signal acquired by the microphone and then transmitting the amplified sound signal to the Internet of things circuit so as to adjust the full-color Christmas lamp according to the sound rhythm.

6. The full-color Christmas lamp control device based on the chip of the Internet of things as claimed in claim 5, wherein: the sound acquisition circuit comprises an operational amplifier circuit (U4A), a first in-phase end bias resistor (R8), a second in-phase end bias resistor (R9), a microphone matching resistor (R7), a blocking capacitor (C13), an output isolation resistor (R11), a first gain setting resistor (R10) and a second gain setting resistor (R12), wherein the microphone connects an audio signal to one end of the microphone matching resistor (R7) and one end of the blocking capacitor (C13), the other end of the blocking capacitor (C13) is connected to the inverting input end of the operational amplifier circuit (U4A) and one end of the second gain setting resistor (R12) through the first gain setting resistor (R10), the other end of the second gain setting resistor (R12) is connected to the output end of the operational amplifier circuit (U4A) and one end of the output isolation resistor (R11), and the first in-phase end bias resistor (R8) is connected to the output end of the operational amplifier circuit (U4A), The common end of a second in-phase terminal bias resistor (R9) is connected to the non-inverting input end of the operational amplification circuit (U4A), the other end of a first in-phase terminal bias resistor (R8), the other end of a microphone matching resistor (R7) and the positive power input end of the operational amplification circuit (U4A) are connected with a direct current low voltage, the other end of the second in-phase terminal bias resistor (R9) and the negative power input end of the operational amplification circuit (U4A) are grounded, and one end of an output isolation resistor (R11) is connected to the chip (U1) of the Internet of things.

7. The full-color Christmas lamp control device based on the chip of the Internet of things as claimed in claim 6, wherein: the control device also comprises an infrared receiving circuit which is used for receiving the control command of the infrared remote controller and transmitting the control command to the Internet of things circuit for decoding to obtain the Christmas lamp control signal output.

8. The full-color Christmas lamp control device based on the chip of the Internet of things as claimed in claim 7, wherein: the control device further comprises a key circuit, and the key circuit is connected with the Internet of things circuit to receive key actions of a user and transmit the key actions to the Internet of things circuit through keys.

9. The full-color Christmas lamp control device based on the chip of the Internet of things according to claim 8, wherein: the control command comprises a control command from the intelligent terminal or the wireless remote controller.

10. The full-color Christmas lamp control device based on the chip of the Internet of things as claimed in claim 9, wherein: the control device also comprises a voltage stabilizing circuit, so that the input direct current high voltage VCC is converted into direct current low voltage to be provided for the sound acquisition circuit, the key circuit, the infrared receiving circuit, the Internet of things circuit and the control circuit, and meanwhile, the input direct current high voltage is provided for the driving circuit.

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