CN216873426U

CN216873426U - LED color temperature switching control module

Info

Publication number: CN216873426U
Application number: CN202122455693.1U
Authority: CN
Inventors: 许良鹏
Original assignee: Shanghai Widen Photodiode Tech Corp ltd
Current assignee: Shanghai Widen Photodiode Tech Corp ltd
Priority date: 2021-10-12
Filing date: 2021-10-12
Publication date: 2022-07-01
Anticipated expiration: 2031-10-12

Abstract

The utility model discloses an LED color temperature switching control module, which has the technical scheme that: the LED lamp panel comprises an EMC circuit, a DC-DC power supply circuit, a control circuit and a double-color-temperature switch circuit, wherein the EMC circuit and the DC-DC power supply circuit are both electrically connected with the control circuit, the control circuit is electrically connected with the double-color-temperature switch circuit, the EMC circuit and the DC-DC power supply circuit are electrically connected with a driver of the LED lamp panel, and the double-color-temperature switch circuit is electrically connected with the LED lamp panel; by using the LED color temperature switching control module, only the LED color temperature switching control module needs to be installed between a driver and an LED lamp panel, the input end is connected with the output of constant current drive, the output end is connected to the double-color temperature LED lamp panel, and the color temperature switching is completed through the on-off time of a power switch.

Description

LED color temperature switching control module

Technical Field

The utility model relates to the field of LED lamps, in particular to an LED color temperature switching control module.

Background

The existing industrial LED lamps are basically single color temperature (6500K daylight color), and if the color temperature is changed from 4000K to 6500K, 2 general implementation methods are adopted: 1. adding a wireless intelligent control module, and switching by using a wireless remote controller or a mobile phone APP; 2. the driving is changed into expensive DALI driving, and the driving is realized by an operation control interface of external DALI. The above implementation method has high cost, is not simple and convenient to operate, and is not beneficial to popularization of products.

Referring to the existing Chinese patent with the publication number of CN110290618A, the MCU control color temperature switching linear driving LED lighting circuit comprises a single-chip microcomputer color temperature control module, an LED linear dimming driving control module and an LED lighting module, wherein the single-chip microcomputer color temperature control module can output two paths of PWM signals and adjust different current ratios of the two paths of LED lamp bead strings to synthesize two or more different color temperature values, or the single-chip microcomputer color temperature control module outputs a multi-channel control signal and controls the color temperature output control module to control the current ratio of the high-low color temperature LED lamp bead strings, so that the purpose of realizing two or more color temperatures is achieved, and a memory or non-memory function can be realized according to needs; the LED linear dimming driving control module can control and adjust the illumination brightness of the LED lighting module, and meanwhile, the dimming function can be realized.

The circuit for controlling the color temperature switching linear driving LED illumination by the MCU is simple in structure, can realize the function of adjusting the color temperature and the illumination brightness of the LED illumination module, is convenient for users, and improves the user experience. However, the above-mentioned circuit for controlling color temperature switching and linearly driving LED illumination by MCU still has some disadvantages, such as: the color temperature of the LED lamp can not be adjusted by the simple circuit structure, a remote control module is not required to be added for control and adjustment, and the color temperature is switched and adjusted.

SUMMERY OF THE UTILITY MODEL

In view of the problems mentioned in the background, the present invention is directed to an LED color temperature switching control module to solve the problems mentioned in the background.

The technical purpose of the utility model is realized by the following technical scheme:

the LED color temperature switching control module comprises an EMC circuit, a DC-DC power supply circuit, a control circuit and a dual color temperature switch circuit, wherein the EMC circuit and the DC-DC power supply circuit are both electrically connected with the control circuit, the control circuit is electrically connected with the dual color temperature switch circuit, the EMC circuit and the DC-DC power supply circuit are electrically connected with a driver of the LED lamp panel, and the dual color temperature switch circuit is electrically connected with the LED lamp panel; the EMC circuit comprises an electromagnetic induction coil, an electrolytic capacitor C1 and a capacitor C2, and the electrolytic capacitor C1 and the capacitor C2 are connected to one side of the electromagnetic induction coil; the DC-DC power supply circuit comprises a JW5018 switching regulator chip, one side of the JW5018 switching regulator chip is electrically connected with a resistor R3 and a resistor R4 which are connected in series, BST and SW pins of the JW5018 switching regulator chip are electrically connected with a capacitor C4 through a resistor R2 and a capacitor C4 which are connected in series, an inductance coil L1 is electrically connected to the SW pin of the JW5018 switching regulator chip, a capacitor C5 and a capacitor C6 which are connected in parallel are electrically connected to the inductance coil L1, an EN pin of the JW5018 switching regulator chip is electrically connected with a resistor R1 and a capacitor C3, and a capacitor C3 is electrically connected with a VIN pin of the JW5018 switching regulator chip; the control circuit comprises an MC30P6080 control chip, wherein a resistor R5 is electrically connected between a pin 1 and a pin 4 of the MC30P6080 control chip, a resistor R8 is electrically connected between a pin 1 and a pin 3 of the MC30P6080 control chip, one end of the resistor R8 is electrically connected with a triode Q1, the grid of the triode Q1 is electrically connected between a series resistor R6 and a resistor R7, and the resistor R6 is electrically connected with a diode Z1.

By adopting the technical scheme, the LED color temperature switching control module only needs to be arranged between the driver and the LED lamp panel, the input end of the LED color temperature switching control module is connected with the output of the constant-current driver, the output end of the LED color temperature switching control module is connected to the double-color temperature LED lamp panel, and the color temperature switching is completed through the on-off time of the power switch. The control module of the utility model consists of an EMC circuit, a DC-DC power supply circuit, a control circuit and a color temperature switching circuit. The EMC circuit is used for ensuring that the product passes CCC certification; the DC-DC power supply circuit supplies power to the control circuit; the control circuit judges whether to output the color temperature switching signal or not by detecting the signal whether the driving is powered off or not; the color temperature switching circuit is used for realizing color temperature switching of the LED lamp panel; the EMC circuit is used for enabling the equipment or the system to operate in compliance with requirements in the electromagnetic environment of the equipment or the system and generating intolerable electromagnetic interference for any equipment in the environment of the equipment; the voltage reduction circuit realizes stable power supply to the control circuit, stable output to the circuit control circuit and stable operation of the control circuit.

Preferably, a capacitor C7 is electrically connected between pin 1 and pin 8 of the MC30P6080 control chip.

By adopting the technical scheme, the system circuit is stably controlled and adjusted, and the color temperature is converted.

Preferably, the two-color temperature switch circuits comprise two groups, each of the two groups of two-color temperature switch circuits comprises two resistors and a triode, the two groups of two-color temperature switch circuits are respectively electrically connected with the 6 pins and the 7 pins of the MC30P6080 control chip, and the triodes of the two groups of two-color temperature switch circuits are electrically connected with the LED lamp panel.

By adopting the technical scheme, the double-color-temperature switching circuit is used for controlling the double-color-temperature switching circuit after the control circuit detects the power-off signal, so that the color temperature conversion is completed.

In summary, the utility model mainly has the following beneficial effects:

the LED color temperature switching control module only needs to be installed between the driver and the LED lamp panel, the input end of the LED color temperature switching control module is connected with the output of the constant current driver, the output end of the LED color temperature switching control module is connected to the double-color temperature LED lamp panel, and color temperature switching is completed through the on-off time of the power switch. The control module of the utility model consists of an EMC circuit, a DC-DC power supply circuit, a control circuit and a color temperature switching circuit. The EMC circuit is used for ensuring that the product passes CCC certification; the DC-DC power supply circuit supplies power to the control circuit; the control circuit judges whether to output the color temperature switching signal or not by detecting the signal whether the driving is powered off or not; the color temperature switching circuit realizes color temperature switching of the LED lamp panel.

Drawings

FIG. 1 is a circuit diagram of the control circuit and the bi-color temperature switch circuit of the present invention;

FIG. 2 is a circuit diagram of an EMC circuit of the present invention;

fig. 3 is a circuit diagram of the DC-DC supply circuit of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Examples

Referring to fig. 1-3, the LED color temperature switching control module includes an EMC circuit, a DC-DC power supply circuit, a control circuit and a dual color temperature switch circuit, the EMC circuit and the DC-DC power supply circuit all have an electric connection with the control circuit, the control circuit has an electric connection with the dual color temperature switch circuit, the EMC circuit and the DC-DC power supply circuit have an electric connection with the driver of the LED lamp panel, and the dual color temperature switch circuit has an electric connection with the LED lamp panel.

By adopting the technical scheme, the LED color temperature switching control module only needs to be installed between the driver and the LED lamp panel, the input end of the LED color temperature switching control module is connected with the output of the constant current driver, the output end of the LED color temperature switching control module is connected to the double-color temperature LED lamp panel, and the color temperature switching is completed through the on-off time of the power switch. The control module of the utility model consists of an EMC circuit, a DC-DC power supply circuit, a control circuit and a color temperature switching circuit. The EMC circuit is used for ensuring that the product passes CCC certification; the DC-DC power supply circuit supplies power to the control circuit; the control circuit judges whether to output the color temperature switching signal or not by detecting the signal whether the driving is powered off or not; the color temperature switching circuit realizes color temperature switching of the LED lamp panel.

In this embodiment, preferably, the EMC circuit includes an electromagnetic coil, an electrolytic capacitor C1 and a capacitor C2, and the electrolytic capacitor C1 and the capacitor C2 are connected to one side of the electromagnetic coil. The effect is that the EMC circuit is used to make a device or system operate satisfactorily in its electromagnetic environment and does not generate intolerable electromagnetic interference to any device in its environment.

In this embodiment, it is preferred, including the JW5018 switching regulator chip in the DC-DC power supply circuit, one side electric connection of JW5018 switching regulator chip has resistance R3 and resistance R4 of series connection, through resistance R2 and electric capacity C4 electric connection of series connection between two pins of BST and the SW of JW5018 switching regulator chip, electric connection has inductance coils L1 on the SW pin of JW5018 switching regulator chip, electric connection has electric capacity C5 and electric capacity C6 of parallel connection on the inductance coils L1, electric connection has resistance R1 and electric capacity C3 on the EN pin of JW5018 switching regulator chip, electric capacity C3 and the pin electric connection of JW5018 switching regulator chip. The voltage reduction circuit has the advantages that stable power supply is realized for the control circuit, the voltage reduction circuit which outputs stable voltage to the circuit control circuit is realized, and the stable operation of the control circuit is kept.

In this embodiment, preferably, the control circuit includes an MC30P6080 control chip, a resistor R5 is electrically connected between pin 1 and pin 4 of the MC30P6080 control chip, a resistor R8 is electrically connected between pin 1 and pin 3 of the MC30P6080 control chip, one end of the resistor R8 is electrically connected to a transistor Q1, a gate of the transistor Q1 is electrically connected between a series resistor R6 and a resistor R7, a resistor R6 is electrically connected to a diode Z1, and a capacitor C7 is electrically connected between pin 1 and pin 8 of the MC30P6080 control chip. The effect is that the system circuit is stably controlled and adjusted, and the color temperature is converted.

In this embodiment, preferably, the two color temperature switch circuits include two sets, each of the two sets includes two resistors and a triode, the two sets of the two color temperature switch circuits are respectively electrically connected with the 6 pins and the 7 pins of the MC30P6080 control chip, and the triodes of the two sets of the two color temperature switch circuits are electrically connected with the LED lamp panel. The double-color temperature switching circuit has the advantages that the double-color temperature switching circuit is used for controlling the double-color temperature switching circuit to complete color temperature conversion after the control circuit detects the power-off signal.

The use principle and the advantages are as follows:

the LED color temperature switching control module is low in price and easy and convenient to realize, and wiring of a power supply at an installation position does not need to be changed. The control module is powered on and then lights the 6500K color temperature LED lamp panel on the lamp panel for the first time, after the power switch cuts off the power supply, the detection circuit quickly detects a power-off signal, the control module receives the signal and prepares a color temperature switching signal, and after the power switch is powered on, the color temperature switching signal is switched to be the mixed light color temperature of 5000K; in this way, the color temperature is switched to 4000K after the power is switched on and off again, and the next time, 6500K, is continuously circulated. Meanwhile, the time for the power switch to cut off the power supply needs to be controlled within 2 seconds, if the time exceeds the time, the control circuit is powered off, and the control module can be restarted to be 6500K color temperature for power-on for the first time. Simply put it simply is that can switch over the colour temperature in 2 seconds of outage, and more than 2 seconds of outage, power up 6500K colour temperature. The whole operation is very simple and convenient, great market demands are met, the EMC circuit and the DC-DC power supply circuit can realize safety protection on the circuit, and the voltage of the circuit is prevented from being unstable.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

LED colour temperature switches control module its characterized in that: the LED lamp panel driving circuit comprises an EMC circuit, a DC-DC power supply circuit, a control circuit and a double-color-temperature switch circuit, wherein the EMC circuit and the DC-DC power supply circuit are both electrically connected with the control circuit, the control circuit is electrically connected with the double-color-temperature switch circuit, the EMC circuit and the DC-DC power supply circuit are electrically connected with a driver of the LED lamp panel, and the double-color-temperature switch circuit is electrically connected with the LED lamp panel; the EMC circuit comprises an electromagnetic induction coil, an electrolytic capacitor C1 and a capacitor C2, and the electrolytic capacitor C1 and the capacitor C2 are connected to one side of the electromagnetic induction coil; the DC-DC power supply circuit comprises a JW5018 switching regulator chip, one side of the JW5018 switching regulator chip is electrically connected with a resistor R3 and a resistor R4 which are connected in series, and two pins BST and SW of the JW5018 switching regulator chip are electrically connected with a capacitor C4 through a resistor R2 and a capacitor C2 which are connected in series; an inductor L1 is electrically connected to a SW pin of the JW5018 switching regulator chip, a capacitor C5 and a capacitor C6 which are connected in parallel are electrically connected to an inductor L1, a resistor R1 and a capacitor C3 are electrically connected to an EN pin of the JW5018 switching regulator chip, and the capacitor C3 is electrically connected to a VIN pin of the JW5018 switching regulator chip; the control circuit comprises an MC30P6080 control chip, wherein a resistor R5 is electrically connected between a pin 1 and a pin 4 of the MC30P6080 control chip, a resistor R8 is electrically connected between a pin 1 and a pin 3 of the MC30P6080 control chip, one end of the resistor R8 is electrically connected with a triode Q1, the grid of the triode Q1 is electrically connected between a series resistor R6 and a resistor R7, and the resistor R6 is electrically connected with a diode Z1.
2. The LED color temperature switching control module of claim 1, wherein: and a capacitor C7 is electrically connected between the pin 1 and the pin 8 of the MC30P6080 control chip.
3. The LED color temperature switching control module of claim 2, wherein: the double-color-temperature switching circuit comprises two groups, wherein each of the two groups of double-color-temperature switching circuits comprises two resistors and a triode.
4. The LED color temperature switching control module of claim 3, wherein: two sets of two colour temperature switch circuit respectively with MC30P6080 control chip's 6 pins and 7 pin electric connection, two sets of in the two colour temperature switch circuit equal electric connection on the triode the LED lamp plate.