Convenient wiring intelligent ceiling lamp control circuit

Abstract

The utility model discloses a convenient wiring intelligent ceiling lamp control circuit comprising a top cover and a lamp holder which are connected through a lifting rope, the top cover is provided with a master controller used for converting alternating current into low-voltage direct current and outputting the low-voltage direct current and a lamp control signal, and the lamp holder is provided with an LED lamp assembly. The driver is connected with the main controller through two electric wires and used for receiving the low-voltage direct current, extracting a lamp control signal in the low-voltage direct current and converting the lamp control signal into a lamp driving signal to drive the LED lamp assembly to emit light, the main controller is separated from the driver, and the main controller and the driver are installed on the top cover and the lamp holder respectively. The distance between the driver and the LED lamp assembly is shortened, meanwhile, power supply and LED lamp control signal transmission can be achieved only by connecting the master controller and the driver through two electric wires, and the number of wires penetrating through the thin tube type lamp holder is reduced.

Description

[Technical field]

[0001] The utility model relates to a convenient wiring intelligent chandelier control circuit. [Background Technology]

[0002] As people's living standards continue to improve, people's requirements for the aesthetics and convenience of home decoration products are also increasing. In lighting products such as chandeliers, in previous chandeliers, the main controller and LED driver board were all at the top of the hanger, resulting in a large number of connecting wires between the driver board on the upper side of the hanger and the lamps on the lower side of the hanger. Especially under the current demand for simple and beautiful chandeliers, the hangers of chandeliers are mostly composed of thin tubes. Therefore, when there are many connecting wires, it is difficult to pass through the thin tube hanger, which is not convenient for installation and operation, and it is also difficult for users to install after purchase. [Contents of the utility model]

[0003] The utility model overcomes the shortcomings of the prior art and provides a convenient wiring intelligent chandelier control circuit.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] A convenient wiring intelligent chandelier control circuit is characterized by: comprising a top cover and a lamp stand connected by a hanging rope, the top cover is provided with a main controller for converting alternating current into low-voltage direct current and outputting low-voltage direct current and lamp control signals, the lamp stand is provided with an LED lamp assembly, and a driver connected to the main controller through two wires for receiving low-voltage direct current, extracting lamp control signals from the low-voltage direct current and converting the lamp control signals into lamp drive signals to drive the LED lamp assembly to emit light.

[0006] A convenient wiring intelligent chandelier control circuit as described above is characterized in that: the main controller is provided with an AC-DC switching power supply circuit connected to the mains for converting alternating current into low-voltage direct current, and a main controller control circuit for receiving external control signals and converting the external control signals into lamp control signals; the main controller control circuit is connected to a DC control output and signal transmission circuit connected to the AC-DC switching power supply circuit through two wires and connected to a driver to supply power to the driver and send lamp control signals; the AC-DC switching power supply circuit is connected to a main control step-down circuit for stepping down the output voltage of the AC-DC switching power supply circuit and supplying power to the main controller control circuit.

[0007] The convenient wiring intelligent chandelier control circuit as described above is characterized in that: the main controller control circuit is connected to a wireless receiving circuit for receiving external remote control signals and a buzzer circuit for providing feedback after receiving external remote control signals, and the main control step-down circuit supplies power to the wireless receiving circuit and the buzzer circuit respectively.

[0008] A convenient wiring intelligent chandelier control circuit as described above is characterized in that: the driver is provided with a DC power input and DC signal conversion circuit which is connected to the main controller through two wires for receiving low-voltage direct current and extracting the lamp control signal in the direct current; the DC power input and DC signal conversion circuit is connected to a driver control circuit which converts the lamp control signal into a lamp driving signal; a driver step-down circuit which steps down the output voltage of the DC power input and DC signal conversion circuit and supplies power to the driver control circuit; the driver control circuit is connected to an LED lamp driving component which drives the LED lamp component to emit light according to the lamp driving signal; and the DC power input and DC signal conversion circuit supplies power to the LED lamp driving component.

[0009] A convenient wiring intelligent chandelier control circuit as described above is characterized in that: the LED lamp assembly includes a main lamp, a first auxiliary lamp and a second auxiliary lamp, and the LED lamp driving assembly includes a main lamp driving circuit connected to the driver control circuit and the main lamp respectively to drive the main lamp to emit light, and an auxiliary lamp driving circuit connected to the driver control circuit, the first auxiliary lamp and the second auxiliary lamp respectively to drive the first auxiliary lamp and the second auxiliary lamp to emit light.

[0010] A convenient wiring intelligent chandelier control circuit as described above is characterized in that: a DC control output and signal transmission circuit includes a connection terminal DC OUT, a connection terminal DC OUT pin 1 is connected to the drain end of the MOS tube Q1, a source end of the MOS tube Q1 is connected to the AC-DC switching power supply circuit, a gate end of the MOS tube Q1 is respectively connected to one end of a resistor R9 and one end of a resistor R10, the other end of the resistor R9 is connected to the AC-DC switching power supply circuit, the other end of the resistor R10 is connected to the collector of the transistor Q3, the base of the transistor Q3 is respectively connected to one end of a resistor R12, one end of a capacitor C8, and one end of a resistor R11, a connection terminal DC OUT pin 2, an emitter of the transistor Q3, the other end of the resistor R12, and the other end of the capacitor C8 are respectively grounded, and the other end of the resistor R11 is connected to the main controller control circuit.

[0011] A convenient wiring intelligent chandelier control circuit as described above is characterized in that: the DC power input and DC signal conversion circuit includes a connecting terminal DC IN, the connecting terminal DC IN pin 2 is respectively connected to one end of the resistor R14 and the positive end of the diode D1, the negative end of the diode D1 is respectively connected to the driver step-down circuit, the LED lamp driving component, and the positive end of the electrolytic capacitor EC4, the negative end of the electrolytic capacitor EC4 is grounded, the other end of the resistor R14 is respectively connected to one end of the resistor R26 and one end of the resistor R21, the connecting terminal DC IN pin 1 and the other end of the resistor R21 are respectively grounded, the other end of the resistor R26 is connected to the base of the transistor Q4, the collector of the transistor Q4 is respectively connected to one end of the resistor R20 and one end of the resistor R22, the other end of the resistor R20 is connected to the driver step-down circuit, the other end of the resistor R22 is respectively connected to one end of the resistor R25, one end of the capacitor C10, and the driver control circuit, the emitter of the transistor Q4, the other end of the resistor R25, and the other end of the capacitor C10 are respectively grounded.

[0012] The convenient wiring intelligent chandelier control circuit as described above is characterized in that: the main controller control circuit includes a main control chip U2, the main control chip U2 pin 1 is respectively connected to one end of resistor R8, one end of resistor R4, and one end of capacitor C4, the other end of resistor R8 is connected to the main control step-down circuit, the other end of resistor R4, the other end of capacitor C4, and the main control chip U2 pin 8 are grounded respectively, the main control chip U2 pin 5 is connected to a DC control output and signal transmission circuit, the wireless receiving circuit includes a wireless receiving chip U9, the wireless receiving chip U9 pin 1 is respectively connected to one end of capacitor C6 and one end of resistor R6, the other end of resistor R6 is respectively connected to one end of capacitor C7 and the main control chip U2 pin 2, the wireless receiving chip U9 pin 3 is respectively connected to one end of resistor R3 and electrolytic capacitor E The positive end of C3, one end of capacitor C3, and one end of capacitor C5 are connected, the other end of resistor R3 is connected to the main control step-down circuit, the other end of capacitor C5, the other end of capacitor C3, the negative end of electrolytic capacitor EC3, pin 2 of wireless receiving chip U9, the other end of capacitor C6, and the other end of capacitor C7 are grounded respectively, the buzzer circuit includes transistor Q2, the collector of transistor Q2 is connected to one end of resistor R1 and one end of buzzer BZ1 respectively, the other end of resistor R1 is connected to the other end of buzzer BZ1 and one end of resistor R2 respectively, the other end of resistor R2 is connected to the main control step-down circuit, the base of transistor Q2 is connected to one end of resistor R5 and one end of resistor R7 respectively, the other end of resistor R7 and the emitter of transistor Q2 are grounded respectively, and the other end of resistor R5 is connected to pin 7 of main control chip U2.

[0013] A convenient wiring intelligent chandelier control circuit as described above is characterized in that: the main lamp includes a COM terminal, a CON1 terminal and a CON2 terminal, the main lamp driving circuit includes a driving chip U3 and a driving chip U4, the driving chip U3 pin 1 is respectively connected to one end of a resistor R13, the driving chip U3 pin 3, and one end of a capacitor C11, the other end of the resistor R13 is connected to a DC power input and a DC signal conversion circuit, and the other end of the capacitor C11 is grounded, the driving chip U3 pin 2 is respectively connected to one end of a resistor R17 and one end of a resistor R23, the other end of the resistor R17 is connected to the driver control circuit, the other end of the resistor R23 is grounded, the positive end of the electrolytic capacitor C9 is connected to the DC power input and the DC signal conversion circuit, the negative end of the electrolytic capacitor C9 is grounded, the driving chip U3 pin 4 is grounded through the resistor RS1, the driving chip U3 pin 5 is respectively connected to the driving chip U3 pin 6, one end of the inductor L2, and the positive end of the diode D2, the other end of the inductor L2 is respectively connected to one end of a resistor R16 and the CON1 terminal, and the other end of the resistor R16 is respectively connected to the COM terminal and the negative end of the diode D2 The drive chip U3 pin 7-8 is connected to the ground respectively; the drive chip U4 pin 1 is connected to one end of the resistor R15, the drive chip U4 pin 3, and one end of the capacitor C13 respectively, the other end of the resistor R15 is connected to the DC power input and DC signal conversion circuit, and the other end of the capacitor C13 is grounded; the drive chip U4 pin 2 is connected to one end of the resistor R18 and one end of the resistor R24 ​​respectively, the other end of the resistor R18 is connected to the driver control circuit, the other end of the resistor R24 ​​is grounded, and the electrolytic capacitor C1 2 The positive terminal is connected to the DC power input and the DC signal conversion circuit, the negative terminal of the electrolytic capacitor C12 is grounded, the pin 4 of the driving chip U4 is grounded through the resistor RS2, the pin 5 of the driving chip U4 is respectively connected to the pin 6 of the driving chip U4, one end of the inductor L3, and the positive terminal of the diode D3, the other end of the inductor L3 is respectively connected to one end of the resistor R19 and the CON2 terminal, the other end of the resistor R19 is respectively connected to the COM terminal, the negative terminal of the diode D3, the DC power input and the DC signal conversion circuit, and the pins 7-8 of the driving chip U4 are respectively grounded.

[0014] As described above, a convenient wiring intelligent chandelier control circuit is characterized in that: the first auxiliary lamp is connected to the second auxiliary lamp and is provided with a COM terminal, a CON3 terminal and a CON4 terminal, the auxiliary lamp driving circuit includes a driving chip U6 and a driving chip U7, the driving chip U6 pin 1 is respectively connected to one end of the resistor R17, the driving chip U6 pin 3, and one end of the capacitor C18, the other end of the resistor R27 is connected to the DC power input and DC signal conversion circuit, the other end of the capacitor C18 is grounded, and the driving chip U6 pin 2 is respectively connected to one end of the resistor R29, the capacitor C20 and the capacitor C30. One end of the resistor R34 is connected, the other end of the resistor R29 is connected to the driver control circuit, the other end of the resistor R34 is grounded, the positive end of the electrolytic capacitor C17 is connected to the DC power input and DC signal conversion circuit, the negative end of the electrolytic capacitor C17 is grounded, the drive chip U6 pin 4 is grounded through the resistor RS3, the drive chip U6 pin 5 is respectively connected to the drive chip U6 pin 6, one end of the inductor L5, and the positive end of the diode D5, the other end of the inductor L5 is respectively connected to one end of the resistor R30 and the CON3 terminal, the other end of the resistor R30 is respectively connected to the COM terminal, The cathode end of the diode D5 is connected to the DC power input and the DC signal conversion circuit, and the pins 7-8 of the driving chip U6 are grounded respectively; the pin 1 of the driving chip U7 is respectively connected to one end of the resistor R28, the pin 3 of the driving chip U7, and one end of the capacitor C20, the other end of the resistor R28 is connected to the DC power input and the DC signal conversion circuit, and the other end of the capacitor C20 is grounded, the pin 2 of the driving chip U7 is respectively connected to one end of the resistor R31 and one end of the resistor R35, the other end of the resistor R31 is connected to the driver control circuit, and the other end of the resistor R35 is grounded, and the electrolytic The positive terminal of capacitor C19 is connected to the DC power input and DC signal conversion circuit, the negative terminal of electrolytic capacitor C19 is grounded, pin 4 of driver chip U7 is grounded through resistor RS4, pin 5 of driver chip U7 is respectively connected to pin 6 of driver chip U7, one end of inductor L6, and the positive terminal of diode D6, the other end of inductor L6 is respectively connected to one end of resistor R32 and CON4 terminal, the other end of resistor R32 is respectively connected to the COM terminal, the negative terminal of diode D6, DC power input and DC signal conversion circuit, and pins 7-8 of driver chip U7 are respectively grounded.

[0015] The beneficial effects of the utility model are:

[0016] The utility model separates the main controller from the driver, and installs the main controller and the driver on the top cover and the lamp holder respectively, thereby shortening the distance between the driver and the LED lamp assembly. Meanwhile, the main controller and the driver only need to be connected by two wires to realize power supply and transmit LED lamp control signals, thereby reducing the number of wires for the capillary lamp holder, facilitating installation and simplifying the circuit structure. [Drawings]

[0017] Figure 1 This is a schematic diagram of the structure of the chandelier of the utility model;

[0018] Figure 2 This is an exploded view of the chandelier of the utility model;

[0019] Figure 3 This is the schematic diagram of the control circuit of the chandelier of the utility model;

[0020] Figure 4 This is the control circuit diagram of the chandelier of the utility model. [Specific implementation method]

[0021] The technical solutions in the embodiments of the present utility model will be described clearly and completely below in conjunction with the accompanying drawings.

[0022] It should be noted that all directional indications (such as up, down, left, right, front, back...) in the embodiments of the present invention are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly. In addition, the descriptions of "preferred", "sub-preferred", etc. in the present invention are only used for descriptive purposes, and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "preferred" or "sub-preferred" may explicitly or implicitly include at least one of the features.

[0023] like Figure 1-4 As shown, a convenient wiring intelligent chandelier control circuit includes a top cover 1 and a lamp stand 2 connected by a hanging rope, the top cover 1 is provided with a main controller 3 for converting AC power into low-voltage DC power and outputting low-voltage DC power and lamp control signals, the lamp stand 2 is provided with an LED lamp assembly, and a driver 4 connected to the main controller 3 through two wires for receiving low-voltage DC power, extracting lamp control signals from the low-voltage DC power and converting the lamp control signals into lamp drive signals to drive the LED lamp assembly to emit light. Figure 1 As shown, the top cover 1 and the lamp frame 2 can be connected and installed by a hanging rope. At the same time, two wires are set between the top cover 1 and the lamp frame 2 to respectively connect the main controller 3 set on the top cover 1 and the driver 4 set in the lamp frame 2, so that the main controller 3 provides low-voltage direct current and LED lamp assembly control signals to the driver 4. When installing, it is only necessary to pass the two wires led out of the top cover 1 through the thin tube structure of the lamp frame 2 and then connect them to the driver 4, which is convenient for installation; Figure 2 As shown, the LED lamp assembly includes a main lamp 44, a first auxiliary lamp 45 and a second auxiliary lamp 46. The lamp frame 2 is provided with a lamp frame connecting end 21. The main lamp connecting end 441 of the main lamp 44 is respectively threadedly connected and fixed with the lamp frame connecting ends 21 on both sides, and realizes electrical connection between the main lamp 44, the first auxiliary lamp 45 and the second auxiliary lamp 46.

[0024] like Figure 3-4As shown, the main controller 3 is provided with an AC-DC switching power supply circuit 31 connected to the mains for converting alternating current into low-voltage direct current, and a main controller control circuit 32 for receiving external control signals and converting the external control signals into lamp control signals. The main controller control circuit 32 is connected to a DC control output and signal transmission circuit 33 connected to the AC-DC switching power supply circuit 31 and connected to the driver 4 through two wires to supply power to the driver 4 and send lamp control signals. The AC-DC switching power supply circuit 31 is connected to a main control step-down circuit 34 for stepping down the output voltage of the AC-DC switching power supply circuit 31 and supplying power to the main controller control circuit 32; the main controller control circuit 32 is connected to a wireless receiving circuit 35 for receiving external remote control signals and a buzzer circuit 36 ​​for providing feedback after receiving external remote control signals, and the main control step-down circuit 34 supplies power to the wireless receiving circuit 35 and the buzzer circuit 36 ​​respectively. In actual operation, the AC-DC switching power supply circuit 31 converts the external mains power into low-voltage direct current, and supplies power to the main control buck circuit 34 and the direct current control output and signal transmission circuit 33; the main control buck circuit 34 converts the low-voltage direct current into 5V direct current and supplies power to the main control circuit 32, the wireless receiving circuit 35, and the buzzer circuit 36 ​​respectively to make them in working state; when the user sends an external control signal to the wireless receiving circuit 35 through the remote control, the wireless receiving circuit 35 receives the external control signal and sends it to the main control circuit 32, and then the main control circuit 32 sends the lamp control signal to the direct current control output and signal transmission circuit 33 according to the external control signal, and after receiving the external control signal, the main control circuit 32 controls the buzzer circuit 36 ​​to give a buzzing feedback prompt, and at this time, the direct current control output and signal transmission circuit 33 provides low-voltage direct current to the driver 4 through two wires and sends the lamp control signal. Among them, the wireless receiving circuit 35 can be a wireless receiving circuit such as infrared, radio frequency or Bluetooth.

[0025] like Figure 3-4As shown, the driver 4 is provided with a DC input and DC signal conversion circuit 41 connected to the main controller 3 through two wires for receiving low-voltage direct current and extracting the lamp control signal in the direct current, the DC input and DC signal conversion circuit 41 is connected to a driver control circuit 42 for converting the lamp control signal into a lamp driving signal, and a driver step-down circuit 43 for stepping down the output voltage of the DC input and DC signal conversion circuit 41 and supplying power to the driver control circuit 42, the driver control circuit 42 is connected to an LED lamp driving component for driving the LED lamp assembly to emit light according to the lamp driving signal, and the DC input and DC signal conversion circuit 41 supplies power to the LED lamp driving component; the LED lamp assembly includes a main lamp 44, a first auxiliary lamp 45 and a second auxiliary lamp 46, and the LED lamp driving component includes a main lamp driving circuit 47 connected to the driver control circuit 42 and the main lamp 44 respectively to drive the main lamp 44 to emit light, and an auxiliary lamp driving circuit 48 connected to the driver control circuit 42, the first auxiliary lamp 45 and the second auxiliary lamp 46 respectively to drive the first auxiliary lamp 45 and the second auxiliary lamp 46 to emit light. In actual use, when the DC power input and DC signal conversion circuit 41 receives low-voltage direct current from two wires, it extracts the lamp control signal in the low-voltage direct current. At the same time, the DC power input and DC signal conversion circuit 41 provides low-voltage direct current to the driver step-down circuit 43, the main lamp driving circuit 47 and the auxiliary lamp driving circuit 48 respectively, and sends the lamp control signal to the driver control circuit 42 respectively. At this time, the driver step-down circuit 43 converts the low-voltage direct current into 5V direct current and supplies power to the driver control circuit 42 to make it work. After receiving the lamp control signal, the driver control circuit 42 converts it into a lamp driving signal and sends it to the main lamp driving circuit 47 and the auxiliary lamp driving circuit 48. The main lamp driving circuit 47 and the auxiliary lamp driving circuit 48 respectively control the main lamp 44, the first auxiliary lamp 45 and the second auxiliary lamp 46 to light up.

[0026] like Figure 4 As shown, the AC-DC switching power supply circuit 31 is mainly composed of an AC-DC switching module, which converts 220V AC mains into low-voltage DC power, and supplies power to the main control buck circuit 34, DC power control output and signal transmission circuit 33 respectively; the main control buck circuit 34 is mainly composed of a buck chip U1 and a filtering peripheral circuit composed of an electrolytic capacitor WC1, a capacitor C1, an inductor L1, a capacitor C2 and a capacitor EC2, which converts the low-voltage DC power output by the AC-DC switching power supply circuit 31 into 5V DC power, and supplies power to the main controller control circuit 32, the wireless receiving circuit 35 and the buzzer circuit 36 ​​respectively.

[0027] like Figure 4As shown, the main controller control circuit 32 includes a main control chip U2, the main control chip U2 pin 1 is respectively connected to one end of the resistor R8, one end of the resistor R4, and one end of the capacitor C4, the other end of the resistor R8 is connected to the main control buck circuit 34, the other end of the resistor R4, the other end of the capacitor C4, and the main control chip U2 pin 8 are grounded respectively, the main control chip U2 pin 5 is connected to the DC control output and signal transmission circuit 33, the wireless receiving circuit 35 includes a wireless receiving chip U9, the wireless receiving chip U9 pin 1 is respectively connected to one end of the capacitor C6 and one end of the resistor R6, the other end of the resistor R6 is respectively connected to one end of the capacitor C7 and the main control chip U2 pin 2, the wireless receiving chip U9 pin 3 is respectively connected to one end of the resistor R3, the positive end of the electrolytic capacitor EC3, and the capacitor C3 One end is connected to one end of the resistor R1 and one end of the capacitor C5, the other end of the resistor R3 is connected to the main control buck circuit 34, the other end of the capacitor C5, the other end of the capacitor C3, the negative end of the electrolytic capacitor EC3, the pin 2 of the wireless receiving chip U9, the other end of the capacitor C6, and the other end of the capacitor C7 are grounded respectively, and the buzzer circuit 36 ​​includes a transistor Q2, the collector of the transistor Q2 is respectively connected to one end of the resistor R1 and one end of the buzzer BZ1, the other end of the resistor R1 is respectively connected to the other end of the buzzer BZ1 and one end of the resistor R2, the other end of the resistor R2 is connected to the main control buck circuit 34, the base of the transistor Q2 is respectively connected to one end of the resistor R5 and one end of the resistor R7, the other end of the resistor R7 and the emitter of the transistor Q2 are grounded respectively, and the other end of the resistor R5 is connected to the pin 7 of the main control chip U2. The main control chip U2 pin 1 of the main control circuit 32, the wireless receiving chip U9 pin 3 of the wireless receiving circuit 35 and the buzzer BZ1 end of the buzzer circuit 36 ​​respectively work after receiving the DC power output by the main control step-down circuit 34; when the wireless receiving chip U9 of the wireless receiving circuit 35 receives the external control signal of the remote control, it is sent to the main control chip U2 after filtering by the peripheral circuit, and after the main control chip U2 pin 2 receives the external control signal sent by the wireless receiving circuit 35, it is converted into a lamp control signal and sent from the main control chip U2 pin 5 to the DC control output and signal transmission circuit 33, and at the same time, a feedback prompt signal is sent to the buzzer circuit 36 ​​through the main control chip U2 pin 7 to turn on the transistor Q2, so that the buzzer BZ1 works to give a feedback prompt.

[0028] like Figure 4As shown, the DC control output and signal transmission circuit 33 includes a connection terminal DC OUT, a connection terminal DCOUT pin 1 is connected to the drain end of the MOS tube Q1, a source end of the MOS tube Q1 is connected to the AC-DC switching power supply circuit 31, a gate end of the MOS tube Q1 is connected to one end of the resistor R9 and one end of the resistor R10 respectively, the other end of the resistor R9 is connected to the AC-DC switching power supply circuit 31, the other end of the resistor R10 is connected to the collector of the transistor Q3, the base of the transistor Q3 is connected to one end of the resistor R12, one end of the capacitor C8, and one end of the resistor R11 respectively, a connection terminal DC OUT pin 2, an emitter of the transistor Q3, the other end of the resistor R12, and the other end of the capacitor C8 are grounded respectively, and the other end of the resistor R11 is connected to the main controller control circuit 32. When the main controller control circuit 32 outputs the lamp control signal to the DC control output and signal transmission circuit 33, the transistor Q3 is turned on, thereby turning on the MOS tube Q1, and supplying power to the DC power input and DC signal conversion circuit 41 of the driver 4 and sending the lamp control signal through the connecting terminal DCOUT and two wires connected to the connecting terminal DC OUT.

[0029] like Figure 4As shown, the DC power input and DC signal conversion circuit 41 includes a connection terminal DC IN, the connection terminal DC IN pin 2 is respectively connected to one end of the resistor R14 and the positive end of the diode D1, the negative end of the diode D1 is respectively connected to the driver step-down circuit 43, the LED lamp driving component, and the positive end of the electrolytic capacitor EC4, the negative end of the electrolytic capacitor EC4 is grounded, the other end of the resistor R14 is respectively connected to one end of the resistor R26 and one end of the resistor R21, and the connection terminal DC IN pin 1 and the other end of resistor R21 are grounded respectively, the other end of resistor R26 is connected to the base of transistor Q4, the collector of transistor Q4 is connected to one end of resistor R20 and one end of resistor R22 respectively, the other end of resistor R20 is connected to the driver step-down circuit 43, the other end of resistor R22 is connected to one end of resistor R25, one end of capacitor C10 and the driver control circuit 42 respectively, the emitter of transistor Q4, the other end of resistor R25 and the other end of capacitor C10 are grounded respectively; the driver step-down circuit 43 includes a step-down chip U5 and a peripheral circuit composed of electrolytic capacitor EC5, capacitor C14, inductor L4, capacitor C15 and capacitor EC6; the driver control circuit 42 includes a control chip U8. When the connection terminal DC IN connecting the two wires receives the power supply of the main controller 3, it is processed by the diode D1 and the electrolytic capacitor EC4 to obtain a 24V low-voltage direct current, and supplies power to the driver step-down circuit 43, the main lamp driving circuit 47 and the auxiliary lamp driving circuit 48 of the LED lamp driving component respectively. At the same time, the step-down chip U5 of the driver step-down circuit 43 converts the 24V direct current into 5V direct current and supplies power to the control chip U8 of the driver control circuit 42; after the connection terminal DC IN receives the power supply of the main controller 3, the transistor Q4 is turned on and extracts the lamp control signal after filtering by the peripheral circuit, and sends it to the control chip U8 pin 3 of the driver control circuit 42. The control chip U8 converts the lamp control signal into a lamp driving signal and sends it to the LED lamp driving components respectively.

[0030] like Figure 4As shown, the main lamp 44 includes a COM terminal, a CON1 terminal and a CON2 terminal, and the main lamp driving circuit 47 includes a driving chip U3 and a driving chip U4. The pin 1 of the driving chip U3 is respectively connected to one end of the resistor R13, the pin 3 of the driving chip U3, and one end of the capacitor C11. The other end of the resistor R13 is connected to the DC power input and DC signal conversion circuit 41, and the other end of the capacitor C11 is grounded. The pin 2 of the driving chip U3 is respectively connected to one end of the resistor R17 and one end of the resistor R23. The other end of the resistor R17 is connected to the driver control Circuit 42 is connected, the other end of resistor R23 is grounded, the positive end of electrolytic capacitor C9 is connected to DC power input and DC signal conversion circuit 41, the negative end of electrolytic capacitor C9 is grounded, pin 4 of driver chip U3 is grounded through resistor RS1, pin 5 of driver chip U3 is respectively connected to pin 6 of driver chip U3, one end of inductor L2, and the positive end of diode D2, the other end of inductor L2 is respectively connected to one end of resistor R16 and CON1 terminal, the other end of resistor R16 is respectively connected to COM terminal, negative end of diode D2, DC power input and DC The signal conversion circuit 41 is connected, and the pins 7-8 of the driving chip U3 are grounded respectively; the pin 1 of the driving chip U4 is respectively connected to one end of the resistor R15, the pin 3 of the driving chip U4, and one end of the capacitor C13, the other end of the resistor R15 is connected to the DC power input and DC signal conversion circuit 41, and the other end of the capacitor C13 is grounded, the pin 2 of the driving chip U4 is respectively connected to one end of the resistor R18 and one end of the resistor R24, the other end of the resistor R18 is connected to the driver control circuit 42, and the other end of the resistor R24 ​​is grounded, and the positive terminal of the electrolytic capacitor C12 is connected to The DC power input and DC signal conversion circuit 41 is connected, the negative terminal of the electrolytic capacitor C12 is grounded, the pin 4 of the driver chip U4 is grounded through the resistor RS2, the pin 5 of the driver chip U4 is respectively connected to the pin 6 of the driver chip U4, one end of the inductor L3, and the positive terminal of the diode D3, the other end of the inductor L3 is respectively connected to one end of the resistor R19 and the CON2 terminal, the other end of the resistor R19 is respectively connected to the COM terminal, the negative terminal of the diode D3, and the DC power input and DC signal conversion circuit 41, and the pins 7-8 of the driver chip U4 are respectively grounded;The first auxiliary lamp 45 is connected to the second auxiliary lamp 46 and is provided with a COM terminal, a CON3 terminal and a CON4 terminal. The auxiliary lamp driving circuit 48 includes a driving chip U6 and a driving chip U7. The pin 1 of the driving chip U6 is respectively connected to one end of the resistor R17, the pin 3 of the driving chip U6, and one end of the capacitor C18. The other end of the resistor R27 is connected to the DC power input and DC signal conversion circuit 41. The other end of the capacitor C18 is grounded. The pin 2 of the driving chip U6 is respectively connected to one end of the resistor R29 and one end of the resistor R34. The other end of the resistor R29 The positive terminal of the electrolytic capacitor C17 is connected to the DC power input and DC signal conversion circuit 41, the negative terminal of the electrolytic capacitor C17 is grounded, the pin 4 of the driving chip U6 is grounded through the resistor RS3, the pin 5 of the driving chip U6 is respectively connected to the pin 6 of the driving chip U6, one end of the inductor L5, and the positive terminal of the diode D5, the other end of the inductor L5 is respectively connected to one end of the resistor R30 and the CON3 terminal, the other end of the resistor R30 is respectively connected to the COM terminal, the negative terminal of the diode D5, and the DC power The input and DC signal conversion circuit 41 are connected, and the pins 7-8 of the driving chip U6 are grounded respectively; the pin 1 of the driving chip U7 is respectively connected to one end of the resistor R28, the pin 3 of the driving chip U7, and one end of the capacitor C20, the other end of the resistor R28 is connected to the DC power input and DC signal conversion circuit 41, and the other end of the capacitor C20 is grounded, the pin 2 of the driving chip U7 is respectively connected to one end of the resistor R31 and one end of the resistor R35, the other end of the resistor R31 is connected to the driver control circuit 42, the other end of the resistor R35 is grounded, and the electrolytic capacitor C19 is positive The extreme end is connected to the DC power input and DC signal conversion circuit 41, the negative end of the electrolytic capacitor C19 is grounded, the pin 4 of the driver chip U7 is grounded through the resistor RS4, the pin 5 of the driver chip U7 is respectively connected to the pin 6 of the driver chip U7, one end of the inductor L6, and the positive end of the diode D6, the other end of the inductor L6 is respectively connected to one end of the resistor R32 and the CON4 terminal, the other end of the resistor R32 is respectively connected to the COM terminal, the negative end of the diode D6, the DC power input and DC signal conversion circuit 41, and the pins 7-8 of the driver chip U7 are respectively grounded. When in use, the driver chip U3 and the driver chip U4 of the main light driving circuit 47 drive the main light 44 to emit light according to the lamp driving signal; the driver chip U6 and the driver chip U7 of the auxiliary light driving circuit 48 drive the first auxiliary light 45 and the second auxiliary light 46 to emit light according to the lamp driving signal, thereby controlling the unified or independent switching and dimming and color adjustment actions of the 10W lamp board or the 6W main lamp board and the 6W auxiliary lamp board. ;

[0031] The above are only preferred embodiments of the present invention, and are not intended to limit the patent scope of the present invention. All equivalent structural changes made using the contents of the present invention specification and drawings under the utility model concept, or directly or indirectly applied in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A convenient wiring intelligent chandelier control circuit, characterized in that: The invention comprises a top cover (1) and a lamp stand (2) connected by a hanging rope, wherein the top cover (1) is provided with a main controller (3) for converting alternating current into low-voltage direct current and outputting the low-voltage direct current and a lamp control signal, and the lamp stand (2) is provided with an LED lamp assembly, and a driver (4) connected to the main controller (3) by two wires for receiving the low-voltage direct current, extracting the lamp control signal from the low-voltage direct current and converting the lamp control signal into a lamp drive signal to drive the LED lamp assembly to emit light.

2. According to claim 1, a convenient wiring intelligent chandelier control circuit is characterized in that: The main controller (3) is provided with an AC-DC switching power supply circuit (31) connected to the mains for converting alternating current into low-voltage direct current, and a main controller control circuit (32) for receiving an external control signal and converting the external control signal into a lamp control signal. The main controller control circuit (32) is connected to a DC control output and signal transmission circuit (33) connected to the AC-DC switching power supply circuit (31) and connected to a driver (4) via two wires for supplying power to the driver (4) and sending a lamp control signal. The AC-DC switching power supply circuit (31) is connected to a main control step-down circuit (34) for stepping down the output voltage of the AC-DC switching power supply circuit (31) and supplying power to the main controller control circuit (32).

3. According to claim 2, a convenient wiring intelligent chandelier control circuit is characterized in that: The main control circuit (32) is connected to a wireless receiving circuit (35) for receiving an external remote control signal and a buzzer circuit (36) for providing feedback after receiving the external remote control signal. The main control step-down circuit (34) supplies power to the wireless receiving circuit (35) and the buzzer circuit (36) respectively.

4. According to claim 1, a convenient wiring intelligent chandelier control circuit is characterized in that: The driver (4) is provided with a DC power input and DC signal conversion circuit (41) connected to the main controller (3) via two wires for receiving low-voltage direct current and extracting a lamp control signal from the direct current; the DC power input and DC signal conversion circuit (41) is connected to a driver control circuit (42) for converting the lamp control signal into a lamp drive signal; and a driver step-down circuit (43) for stepping down the output voltage of the DC power input and DC signal conversion circuit (41) and supplying power to the driver control circuit (42); the driver control circuit (42) is connected to an LED lamp drive component for driving the LED lamp component to emit light according to the lamp drive signal; and the DC power input and DC signal conversion circuit (41) supplies power to the LED lamp drive component.

5. The convenient wiring intelligent chandelier control circuit according to claim 4 is characterized in that: The LED lamp assembly comprises a main lamp (44), a first auxiliary lamp (45) and a second auxiliary lamp (46); the LED lamp driving assembly comprises a main lamp driving circuit (47) connected to a driver control circuit (42) and the main lamp (44) respectively to drive the main lamp (44) to emit light, and an auxiliary lamp driving circuit (48) connected to the driver control circuit (42), the first auxiliary lamp (45) and the second auxiliary lamp (46) respectively to drive the first auxiliary lamp (45) and the second auxiliary lamp (46) to emit light.

6. The convenient wiring intelligent chandelier control circuit according to claim 2, characterized in that: The DC control output and signal transmission circuit (33) comprises a connection terminal DC OUT, wherein the connection terminal DC OUT pin 1 is connected to the drain end of the MOS tube Q1, the source end of the MOS tube Q1 is connected to the AC-DC switching power supply circuit (31), the gate end of the MOS tube Q1 is respectively connected to one end of a resistor R9 and one end of a resistor R10, the other end of the resistor R9 is connected to the AC-DC switching power supply circuit (31), the other end of the resistor R10 is connected to the collector of the transistor Q3, the base of the transistor Q3 is respectively connected to one end of a resistor R12, one end of a capacitor C8, and one end of a resistor R11, the connection terminal DC OUT pin 2, the emitter of the transistor Q3, the other end of the resistor R12, and the other end of the capacitor C8 are respectively grounded, and the other end of the resistor R11 is connected to the main controller control circuit (32).

7. The convenient wiring intelligent chandelier control circuit according to claim 4 is characterized in that: The DC input and DC signal conversion circuit (41) comprises a connection terminal DC IN, wherein the connection terminal DC IN pin 2 is respectively connected to one end of a resistor R14 and the positive end of a diode D1, the negative end of the diode D1 is respectively connected to a driver step-down circuit (43), an LED lamp driving component, and the positive end of an electrolytic capacitor EC4, the negative end of the electrolytic capacitor EC4 is grounded, the other end of the resistor R14 is respectively connected to one end of a resistor R26 and one end of a resistor R21, the connection terminal DC IN pin 1 and the other end of the resistor R21 are respectively grounded, the other end of the resistor R26 is connected to the base of a transistor Q4, the collector of the transistor Q4 is respectively connected to one end of a resistor R20 and one end of a resistor R22, the other end of the resistor R20 is connected to the driver step-down circuit (43), the other end of the resistor R22 is respectively connected to one end of a resistor R25, one end of a capacitor C10, and a driver control circuit (42), the emitter of the transistor Q4, the other end of the resistor R25, and the other end of the capacitor C10 are respectively grounded.

8. The convenient wiring intelligent chandelier control circuit according to claim 3 is characterized in that: The main control circuit (32) includes a main control chip U2, wherein the pin 1 of the main control chip U2 is respectively connected to one end of a resistor R8, one end of a resistor R4, and one end of a capacitor C4, the other end of the resistor R8 is connected to a main control step-down circuit (34), the other end of the resistor R4, the other end of the capacitor C4, and the pin 8 of the main control chip U2 are respectively grounded, the pin 5 of the main control chip U2 is connected to a DC control output and signal transmission circuit (33), and the wireless receiving circuit (35) includes a wireless receiving chip U9, wherein the pin 1 of the wireless receiving chip U9 is respectively connected to one end of a capacitor C6 and one end of a resistor R6, the other end of the resistor R6 is respectively connected to one end of a capacitor C7 and the pin 2 of the main control chip U2, and the pin 3 of the wireless receiving chip U9 is respectively connected to one end of a resistor R3, the positive end of an electrolytic capacitor EC3, and the positive end of a capacitor C3. The first end of the first transistor is connected to the first end of the second transistor, and the second end of the second transistor is connected to the first end of the second transistor. The first end of the first transistor is connected to the first end of the second transistor, and the second end of the second transistor is connected to the second end of the second transistor. The first end of the first transistor is connected to the first end of the second transistor, and the second end of the second transistor is connected to the second end of the second transistor. The second end of the first transistor is connected to the first end of the second transistor, and the second end of the second transistor is connected to the first end of the second transistor. The first end of the first transistor is connected to the first end of the second transistor, and the second end of the second transistor is connected to the first end of the second transistor.

9. The convenient wiring intelligent chandelier control circuit according to claim 3, characterized in that: The main lamp (44) includes a COM terminal, a CON1 terminal and a CON2 terminal. The main lamp driving circuit (47) includes a driving chip U3 and a driving chip U4. The pin 1 of the driving chip U3 is respectively connected to one end of a resistor R13, the pin 3 of the driving chip U3, and one end of a capacitor C11. The other end of the resistor R13 is connected to a DC power input and DC signal conversion circuit (41). The other end of the capacitor C11 is grounded. The pin 2 of the driving chip U3 is respectively connected to one end of a resistor R17 and one end of a resistor R23. The other end of the resistor R17 is connected to the driver control circuit. (42) is connected, the other end of the resistor R23 is grounded, the positive end of the electrolytic capacitor C9 is connected to the DC power input and DC signal conversion circuit (41), the negative end of the electrolytic capacitor C9 is grounded, the pin 4 of the driver chip U3 is grounded through the resistor RS1, the pin 5 of the driver chip U3 is respectively connected to the pin 6 of the driver chip U3, one end of the inductor L2, and the positive end of the diode D2, the other end of the inductor L2 is respectively connected to one end of the resistor R16 and the CON1 terminal, the other end of the resistor R16 is respectively connected to the COM terminal, the negative end of the diode D2, the DC power input and DC signal The conversion circuit (41) is connected, and the pins 7-8 of the drive chip U3 are respectively grounded; the pin 1 of the drive chip U4 is respectively connected to one end of the resistor R15, the pin 3 of the drive chip U4, and one end of the capacitor C13, the other end of the resistor R15 is connected to the DC power input and DC signal conversion circuit (41), and the other end of the capacitor C13 is grounded; the pin 2 of the drive chip U4 is respectively connected to one end of the resistor R18 and one end of the resistor R24, the other end of the resistor R18 is connected to the driver control circuit (42), the other end of the resistor R24 ​​is grounded, and the positive terminal of the electrolytic capacitor C12 is connected to The DC power input and DC signal conversion circuit (41) are connected, the negative terminal of the electrolytic capacitor C12 is grounded, the pin 4 of the driving chip U4 is grounded through the resistor RS2, the pin 5 of the driving chip U4 is respectively connected to the pin 6 of the driving chip U4, one end of the inductor L3, and the positive terminal of the diode D3, the other end of the inductor L3 is respectively connected to one end of the resistor R19 and the CON2 terminal, the other end of the resistor R19 is respectively connected to the COM terminal, the negative terminal of the diode D3, and the DC power input and DC signal conversion circuit (41), and the pins 7-8 of the driving chip U4 are respectively grounded.

10. The convenient wiring intelligent chandelier control circuit according to claim 3, characterized in that: The first auxiliary lamp (45) is connected to the second auxiliary lamp (46) and is provided with a COM terminal, a CON3 terminal and a CON4 terminal. The auxiliary lamp driving circuit (48) includes a driving chip U6 and a driving chip U7. The pin 1 of the driving chip U6 is respectively connected to one end of a resistor R17, the pin 3 of the driving chip U6 and one end of a capacitor C18. The other end of the resistor R27 is connected to a DC power input and DC signal conversion circuit (41). The other end of the capacitor C18 is grounded. The pin 2 of the driving chip U6 is respectively connected to one end of a resistor R29 and one end of a resistor R34. The other end of the resistor R29 is connected to the DC power input and DC signal conversion circuit (41). One end is connected to the driver control circuit (42), the other end of the resistor R34 is grounded, the positive end of the electrolytic capacitor C17 is connected to the DC power input and DC signal conversion circuit (41), the negative end of the electrolytic capacitor C17 is grounded, the pin 4 of the driver chip U6 is grounded through the resistor RS3, the pin 5 of the driver chip U6 is respectively connected to the pin 6 of the driver chip U6, one end of the inductor L5, and the positive end of the diode D5, the other end of the inductor L5 is respectively connected to one end of the resistor R30 and the CON3 terminal, the other end of the resistor R30 is respectively connected to the COM terminal, the negative end of the diode D5, and the DC The driving chip U7 pin 1 is respectively connected to one end of the resistor R28, the driving chip U7 pin 3, and one end of the capacitor C20, the other end of the resistor R28 is connected to the DC power input and DC signal conversion circuit (41), and the other end of the capacitor C20 is grounded; the driving chip U7 pin 2 is respectively connected to one end of the resistor R31 and one end of the resistor R35, the other end of the resistor R31 is connected to the driver control circuit (42), the other end of the resistor R35 is grounded, and the electrolytic capacitor C19 is connected to the DC power input and DC signal conversion circuit (41). The positive terminal is connected to the DC power input and DC signal conversion circuit (41), the negative terminal of the electrolytic capacitor C19 is grounded, the pin 4 of the driving chip U7 is grounded through the resistor RS4, the pin 5 of the driving chip U7 is respectively connected to the pin 6 of the driving chip U7, one end of the inductor L6, and the positive terminal of the diode D6, the other end of the inductor L6 is respectively connected to one end of the resistor R32 and the CON4 terminal, the other end of the resistor R32 is respectively connected to the COM terminal, the negative terminal of the diode D6, the DC power input and DC signal conversion circuit (41), and the pins 7-8 of the driving chip U7 are respectively grounded.

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