CN211531385U

CN211531385U - LED bulb with color matching function

Info

Publication number: CN211531385U
Application number: CN201922471507.6U
Authority: CN
Inventors: 罗维大; 陈宝; 吴秀国
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-09-18
Anticipated expiration: 2029-12-31

Abstract

The utility model relates to a LED lighting apparatus technical field especially relates to a from LED bulb of area mixing of colors function, which comprises a lampshade, the lamp shade bottom is connected with the lamp holder, be provided with cold color LED filament and warm color LED filament in the lamp shade, the inside mixing of colors circuit module that is provided with of lamp holder, mixing of colors circuit module is including outage detection module, AC rectifier module, voltage stabilizing module, singlechip and the chip of adjusting luminance, singlechip electric connection adjusts luminance the input of chip, transmit PWM control signal to the chip of adjusting luminance, cold color LED filament and warm color LED filament are connected respectively to two outputs of the chip of adjusting luminance, the luminance of cold color LED filament and warm color LED filament is controlled respectively to the current value through two output. The utility model discloses can let the LED bulb from taking the mixing of colors function, be favorable to realizing cold colour, warm colour, double-colored, the double-colored light modulation of LED bulb, it is more convenient to use.

Description

LED bulb with color matching function

Technical Field

The utility model relates to a LED lighting apparatus technical field especially relates to a from LED bulb of taking mixing of colors function.

Background

The existing LED bulb does not have a color mixing function, for example, cold color (such as 6000K) and warm color (such as 2700K) are needed, when the LED bulb is required to be mixed with color, the color mixing function can be realized only by additionally connecting a circuit control box with the functions of dimming and color mixing, so that the dimming wiring circuit of the LED bulb is complex and the use is inconvenient.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model discloses a from LED bulb of taking mixing of colors function can let the LED bulb from taking the mixing of colors function, is favorable to realizing cold colour, warm look, double-colored, the double-colored light modulation of LED bulb, and it is more convenient to use.

In order to solve the technical problem, the utility model discloses a technical scheme is:

an LED bulb with a color adjusting function comprises a lampshade, a lamp holder is connected to the bottom of the lampshade, a cold-color LED filament and a warm-color LED filament are arranged in the lampshade, a color adjusting circuit module is arranged in the lamp holder and comprises a power-off detection module, an AC rectification module, a voltage stabilizing module, a single chip microcomputer and a light adjusting chip, an external power supply is connected to the input ends of the power-off detection module and the AC rectification module, the output end of the power-off detection module is connected with the single chip microcomputer, a power-off signal is transmitted to the single chip microcomputer to trigger the single chip microcomputer 800, the external power supply is rectified by the AC rectification module and then connected to the light adjusting chip, the cold-color LED filament and the warm-color LED filament, the external power supply is rectified and voltage stabilized by the AC rectification module and the voltage stabilizing module and then connected to the single chip microcomputer, the single chip microcomputer is electrically connected to the input end of the, the brightness of the cold-color LED lamp filaments and the brightness of the warm-color LED lamp filaments are respectively controlled by the current values output by the two output ends.

In the dimming circuit module of the utility model, when the LED bulb is powered on, the external power supply supplies power to the voltage stabilizing module, the dimming chip and the LED filament after being rectified by the AC rectifying module, meanwhile, an external power supply supplies power to the single chip microcomputer after the voltage is reduced and stabilized by the voltage stabilizing module, the single chip microcomputer can send a PWM control signal to the dimming chip, when a program is written into the singlechip, two output ends of the singlechip are preset in the program and can respectively output PWM control signals with different duty ratios, and respectively transmitted to two input ends of the light modulation chip, the light modulation chip respectively outputs currents with corresponding magnitude to the cold-color led filament and the warm-color led filament at two output ends according to the received PWM control signals with different duty ratios, therefore, the brightness of the cold-color LED filament and the brightness of the warm-color LED filament are respectively controlled, and when the brightness of the cold-color LED filament is far greater than that of the warm-color LED filament, the LED bulb presents cold color light; when the brightness of the warm led filament is far greater than that of the cold led filament, the led bulb presents warm color light; when the brightness of the cold led lamp filament is equal to that of the warm led lamp filament, the led lamp bulb presents double color light. That is to say, trigger through the singlechip and adjust luminance chip control cold colour led filament and warm colour led filament and demonstrate three kinds of different luminance proportions, let the led bulb can demonstrate cold colour, warm colour, the three kinds of different colour temperatures of double-colored respectively, consequently realize the mixing of colors control to the led bulb.

In order to switch the different color temperatures of the sections, the external power supply can be controlled to be powered on or powered off through an external switch, in the power on and power off process, the power on and power off of the power off detection module is used as an input control signal for the single chip microcomputer to trigger the single chip microcomputer, when a program is written in the single chip microcomputer, the power off of the power off detection module is used as a trigger control signal to be input into the single chip microcomputer, the single chip microcomputer triggers the dimming chip according to the control signal of the power off detection module to control the cold-color led lamp filaments and the warm-color led lamp filaments, three different brightness proportions are sequentially switched, the led lamp bulb can be switched to three different color temperatures of cold colors, warm colors and double colors, and color.

However, in order to implement stepless dimming of the led lamp in a two-color state, the input voltage to the single chip microcomputer can be linearly controlled by externally connecting a stepless knob switch to an external power supply, the linearly changing voltage is used as a control signal, when the single chip microcomputer is programmed, the dimming chip can output a linearly changing PWM control signal according to the linearly changing control signal, the dimming chip can output linearly changing current values to the cold led lamp filament and the warm led lamp filament, and the brightness of the cold led lamp filament and the warm led lamp filament can be linearly changed, so that the stepless dimming of the led lamp can be implemented in the two-color state.

And, because the color mixing circuit module sets up inside the lamp holder, consequently need not additionally connect the circuit control box that has the function of mixing colors of adjusting luminance again and can realize the function of adjusting luminance, can let the LED bulb from taking the function of mixing colors, be favorable to realizing cold color, warm color, double-colored of LED bulb and adjust luminance, it is more convenient to use.

Preferably, the model of the single chip microcomputer is an MT2410E chip, the single chip microcomputer is a chip with a memory switch for adjusting light and color temperature, external high-low level detection and PWM output can be performed, switch detection, light adjustment and color temperature adjustment software is arranged in the MT2410E chip, and functions of stepless light adjustment, sectional light adjustment and sectional color temperature adjustment of the switch, current state storage, power-on recovery before power failure, continuous switching reset and the like can be realized.

Preferably, the model of the dimming chip is an SM2123 chip, the dimming chip is a dual-channel dimmable led constant current driving control chip, and the chip can realize a digital or analog dimming function through a DIM port pin.

Further, the power failure detection module comprises a half-wave rectifier diode D1, a diode D2, a resistor R1, a resistor R2 and a capacitor C1, a fuse F1 is arranged between the power failure detection circuit module and an external power supply, the half-wave rectifier diodes D1 and D2 are grounded in series through resistors R1 and R2, R2 is connected with a capacitor C1 in parallel and then connected with a 5-pin of a single chip, the AC rectifier module comprises a rectifier bridge DB1 and an electrolytic capacitor C1 formed by four diodes, the rectifier bridge 1 and 3-pins of the AC rectifier module are connected with two half-wave rectifiers of the power failure detection module, and a 4-pin of the rectifier bridge DB1 is grounded, a 2-pin of the AC rectifier module is electrically connected with a voltage stabilizing module through an electrolytic capacitor C1, the voltage stabilizing module comprises a resistor R3, a resistor R4, a resistor R5, a voltage stabilizing diode ZD1, a capacitor C2 and a resistor R6, the resistor R6 is connected with the diode D6 in parallel and then connected with the diode D6, the other end of R3 is connected with diode ZD1 negative pole, and the diode positive pole is connected with electric capacity C1 negative pole, and electric capacity C2, resistance R5 are parallelly connected with diode C1, and resistance R6 is parallelly connected with electric capacity C2, and resistance R6 one end is connected with singlechip U1, and other end ground connection, 8 pin ground connection of singlechip, 5 pins of singlechip with electric capacity C1 is connected, 6 pin output foot of singlechip is connected with the control foot 3 foot of adjusting luminance the chip through resistance R10, and is through R8 ground connection, 7 pin output foot of singlechip are connected with control foot 1 foot of adjusting luminance the chip through resistance R11, and are through R9 ground connection, 2 feet, 4 feet of adjusting luminance the chip are respectively through R13, R12 ground connection, 5 feet of adjusting luminance chip are connected with the negative pole LED-2 of cold-color LED filament, 6 feet of adjusting luminance chip are connected with the negative pole LED-1 of warm color LED, 8 feet of adjusting luminance chip are connected with the positive filament of cold color LED plus filament of warm filament, and a diode D3 is arranged between the 8-pin connection of the dimming chip and the anode LED + of the cold-color LED filament and the warm-color LED filament.

Furthermore, a first power supply connecting end and a second power supply connecting end which can be connected with an external power supply are arranged on the lamp holder, and a power supply input end of the power-off detection module is electrically connected with the first power supply connecting end and the second power supply connecting end respectively. Therefore, the external circuit can provide power for the power-off detection module as long as the first power supply connection end and the second power supply connection end on the lamp holder are connected from the outside.

Further, the periphery integrated into one piece of lamp holder has the screw thread mounting groove, first power connection end sets up the bottom at the lamp holder, second power connection end sets up the upside at the screw thread mounting groove. The screw thread mounting groove can be convenient for the lamp holder cooperation to be installed in corresponding lamp stand to threaded connection is more firm, and the lamp holder passes through the screw thread mounting groove to be installed behind the lamp stand, as long as from the first power connection end of bottom switch-on, from upside switch-on second power connection end, alright in order to switch on external power source outward.

Furthermore, a fixing column is arranged in the lampshade, and connecting wires between the cold-color LED lamp filaments, the warm-color LED lamp filaments and the color-mixing circuit module penetrate through the fixing column and are fixed in the fixing column. Therefore, the cold-color LED filament and the warm-color LED filament are convenient to fix.

Furthermore, cold color led filament and warm color led filament are rectangular form respectively, and cold color led filament and warm color led filament encircle the periphery that distributes at the fixed column. So that the bright light can be uniformly emitted to the outside.

The utility model has the advantages that:

the utility model relates to a from LED bulb of taking mixing of colors function can let the LED bulb from taking the mixing of colors function, is favorable to realizing cold colour, warm colour, double-colored, the double-colored light modulation of LED bulb, and it is more convenient to use.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a partial sectional view of the present invention.

Fig. 3 is a circuit module control diagram of the present invention.

Fig. 4 is a schematic diagram of the circuit diagram of the present invention.

Fig. 5 is a circuit diagram of the present invention.

Detailed Description

The present invention will be further described with reference to the following embodiments. Wherein the showings are for the purpose of illustration only and schematic or simplified schematic drawings only, not for the purpose of limiting the same, and not for the purpose of limiting the same; for a better understanding of the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if there are terms such as "upper", "lower", "left", "right", "vertical", "horizontal", etc., indicating orientations or positional relationships based on the orientations or positional relationships shown in the drawings, the description is merely for convenience and simplicity of description, and it is not intended to indicate or imply that the devices or elements being referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore, the terms describing the positional relationships in the drawings are for illustrative purposes only and are not to be construed as limiting the present patent.

Furthermore, if terms such as "first," "second," etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, it will be apparent to those of ordinary skill in the art that the specific meanings of the above terms may be understood according to particular circumstances.

As shown in fig. 1-2, an led bulb with a dimming function includes a lampshade 100, a base 200 is connected to the bottom of the lampshade 100, an led filament 300 is installed in the lampshade 100, a circuit board (not shown) is installed inside the base 200, and a dimming circuit module 400 is disposed on the circuit board.

As shown in fig. 2 to 4, the color matching circuit module 400 includes a power failure detection module 500, an AC rectification module 600, a voltage stabilization module 700, a single chip microcomputer 800 and a light modulation chip 900, wherein the input terminals of the power failure detection module 500 and the AC rectification module 600 are connected to an external power source, the output terminal of the power failure detection module 500 is connected to the single chip microcomputer 800, the power-off signal is transmitted to the single chip microcomputer 800 to trigger the single chip microcomputer 800, the external power supply is rectified by the AC rectifying module 600 and then is connected to the dimming chip 900, the cold led filament 300 and the warm led filament 301, the external power supply is rectified and stabilized by the AC rectifying module 600 and the voltage stabilizing module 700 and then is connected to the single chip microcomputer 800, the single chip microcomputer 800 is electrically connected to the input end of the dimming chip 900, the dimming chip 900 transmits a PWM control signal, two output ends of the dimming chip 900 are respectively connected with the cold led filament 300 and the warm led filament 301, the brightness of the cold led filament 300 and the brightness of the warm led filament 301 are controlled by the current values output by the two output terminals.

In this embodiment, the single chip microcomputer 800 is an MT2410E chip, and is a chip with a memory switch for adjusting light and color temperature, and can perform external high-low level detection and PWM output, and the MT2410E chip has a switch detection, light adjustment and color temperature adjustment software built therein, so that the functions of stepless light adjustment, sectional light adjustment and sectional color temperature adjustment of the switch, current state storage, power-on recovery before power failure, continuous switching reset and the like can be realized.

The model of the dimming chip 900 is an SM2123 chip, and is a dual-channel dimmable led constant current drive control chip, and the chip can realize digital or analog dimming function through DIM port pins.

As shown in fig. 5, the outage detection module (500) includes a half-wave rectifier diode D1, a diode D2, a resistor R1, a resistor R2, and a capacitor C1, a fuse F1 is disposed between the outage detection circuit module (500) and an external power source, the half-wave rectifier diodes D1 and D2 are grounded in series through resistors R1 and R2, R2 is connected in parallel with a capacitor C1 and then connected to a 5-pin of the single chip microcomputer (800), the AC rectification module (600) includes a rectifier bridge DB1 formed by four diodes and an electrolytic capacitor C1, the rectifier bridge 1 and 3-pin of the AC rectification module (600) are connected to two half-wave rectifiers of the outage detection module (500), and a 4-pin of the rectifier bridge DB1 is grounded, a 2-pin of the AC rectification module (600) is electrically connected to the voltage stabilizing module (700) through an electrolytic capacitor C1, the voltage stabilizing module (700) includes a resistor R3, a resistor R4, a resistor R5, a voltage stabilizing diode ZD 5, a capacitor C2, a resistor R3 is connected with a resistor R4 and a resistor R5 in parallel and then connected with a diode D3, the other end of R3 is connected with the cathode of a diode ZD1, the anode of the diode is connected with the cathode of a capacitor C1, a capacitor C2 and a resistor R5 are connected with a diode C1 in parallel, a resistor R6 is connected with a capacitor C2 in parallel, one end of the resistor R6 is connected with a singlechip U1, the other end of the resistor R6 is grounded, an 8-pin of the singlechip 800 is grounded, a 5-pin of the singlechip 800 is connected with the capacitor C1, a 6-pin output pin of the singlechip 800 is connected with a 3-pin of a control pin of a dimming chip 900 through a resistor R10 and is grounded through R8, a 7-pin output pin of the singlechip 800 is connected with a 1-pin of the dimming chip 900 through a resistor R11 and is grounded through R9, a 2-pin and a 4-pin of the dimming chip 900 are grounded through R13 and R12 respectively, and a cathode of a cold LED 300 filament (300), 6 pins of the dimming chip (900) are connected with a cathode LED-1 of the warm-color LED filament (301), 8 pins of the dimming chip (900) are connected with an anode LED + of the cold-color LED filament (300) and the warm-color LED filament (301), and a diode D3 is arranged between the 8 pins of the dimming chip (900) and the anode LED + of the cold-color LED filament (300) and the warm-color LED filament (301).

Referring to fig. 2 to 4, in the dimming circuit module 400 of this embodiment, when the led lamp is powered on, the external power supply is rectified by the AC rectifying module 600 and then supplies power to the voltage stabilizing module 700, the dimming chip 900 and the led filament 300, and simultaneously, the external power supply is stepped down and stabilized by the voltage stabilizing module 700 and then supplies power to the single chip microcomputer 800, the single chip microcomputer 800 with the model of MT2410E can send PWM control signals to the dimming chip 900 with the model of SM2123, when a program is written into the single chip microcomputer MT2410E, two

output terminals

6 and 7 of the single chip microcomputer in the program can respectively output PWM control signals with different duty ratios and respectively transmit the PWM control signals to two

input terminals

1 and 3 of the dimming chip 900 of SM2123, the dimming chip 900 outputs currents with corresponding magnitudes to the cold filament 300 and the warm filament 301 at two

output terminals

5 and 6 according to the received PWM control signals with different duty ratios, therefore, the brightness of the cold led filament 300 and the brightness of the warm led filament 301 are respectively controlled, and when the brightness of the cold led filament 300 is far greater than that of the warm led filament 301, the led bulb presents cold color light; when the brightness of the warm led filament 301 is much greater than that of the cold led filament 300, the led bulb presents warm color light; when the brightness of the cold led filament 300 is equal to that of the warm led filament 301, the led bulb appears to be bi-colored. That is to say, trigger dimming chip 900 through singlechip 800 and control cold color led filament 300 and warm color led filament 301 and demonstrate three kinds of different luminance proportions, let the led bulb can demonstrate three kinds of different colour temperatures of cold color, warm color, double-colored respectively, consequently realize the mixing of colors control to the led bulb.

In order to switch the different color temperatures of the sections, the external power supply can be controlled to be powered on or powered off through an external switch, in the power on or power off process, the power on or power off of the power off detection module 500 is used as an input control signal for the MT2410E single chip microcomputer 800 to trigger the single chip microcomputer 800, when a program is written into the MT2410E single chip microcomputer 800, the power off of the power off detection module 500 is used as a trigger control signal to be input into the single chip microcomputer 800, the single chip microcomputer 800 triggers the SM2123 dimming chip 900 to control the cold led filament 300 and the warm led filament 301 according to the control signal of the power off detection module 500, three different brightness proportions are sequentially switched, the led lamp bulb can be switched to three different color temperatures of cold color, warm color and double color, and color mixing control of the.

In addition, because the MT2410E single chip microcomputer has a memory switch dimming function, and can memorize and store the current state and restore the state before power failure after power failure is re-powered on, the single chip microcomputer 800 can be triggered at the moment when the power failure detection module 500 is powered off to judge the power failure duration, and the dimming chip 900 is triggered according to the power failure duration to dim the cold led filament 300 and the warm led filament 301. For example, when the power-off time is not longer than 2 seconds (the time can be set in the single chip), the MT2410E single chip 800 enters the dimming mode, and each time the power switch is turned off, the power-off detection module 500 sends a power-off signal to the single chip, and the MT2410E single chip 800 triggers the dimming chip 900 to control the cold led filament 300 and the warm led filament 301 to switch to the next brightness ratio according to the power-off signal. When the time length exceeded 2 seconds (the time can be at the singlechip setting) when the outage, singlechip 800 got into the memory mode, and the record was preserved the PWM control signal of current dimming chip 900 output, can record in other words and preserve the luminance proportion of current cold led filament 300 and warm led filament 301, just kept the luminance proportion of last time when opening the switch next time, consequently the utility model discloses a mixing of colors circuit module 400 also possesses the memory function of colour temperature to make the led bulb possess colour temperature memory function.

However, in order to implement stepless dimming of the led lamp in the two-color state, the stepless knob switch may be externally connected to the external power source to linearly control the input voltage to the MT2410E single chip microcomputer 800, and the linearly changing voltage is used as the control signal, when the MT2410E single chip microcomputer is programmed, the linearly changing PWM control signal may be output to the SM2123 dimming chip 900 according to the linearly changing control signal, and the SM2123 dimming chip 900 may output the linearly changing current values to the cold led filament 300 and the warm led filament 301, so that the brightness of the cold led filament 300 and the warm led filament 301 may be linearly changed, and thus the stepless dimming of the led lamp in the two-color state may be implemented.

And because the color matching circuit module 400 is installed inside the lamp cap 200, the light-adjusting function can be realized without additionally connecting a circuit control box with the functions of adjusting light and color matching, the LED bulb can be provided with the color matching function, the realization of the cold color, the warm color, the double color and the double color light adjustment of the LED bulb is facilitated, and the use is more convenient.

Through the actual measurement, the utility model discloses a scheme can let the LED bulb realize cold colour (like 6000K), warm colour (like 2700K) and from 1700K-6000K colour temperature collocation at will.

As a further supplement and improvement to this embodiment, as shown in fig. 1, a first power connection terminal 201 and a second power connection terminal 202 capable of connecting an external power source are disposed on the lamp cap 200, and a power input terminal of the power failure detection module 500 is electrically connected to the first power connection terminal 201 and the second power connection terminal 202, respectively. Therefore, the external circuit can supply power to the power-off detection module 500 by only connecting the first power connection terminal 201 and the second power connection terminal 202 of the lamp head 200 from the outside.

As a further supplement and improvement to this embodiment, as shown in fig. 1, a screw mounting groove 203 is integrally formed at the outer circumference of the base 200, a first power connection terminal 201 is provided at the bottom end of the base 200, and a second power connection terminal 202 is provided at the upper side of the screw mounting groove 203. The screw thread mounting groove 203 can be convenient for the cooperation of lamp holder 200 to install in corresponding lamp stand to threaded connection is more firm, and lamp holder 200 passes through screw thread mounting groove 203 to be installed behind the lamp stand, as long as from the first power connection end 201 of bottom switch-on, from upside switch-on second power connection end 202, alright in order to externally switch on external power source.

As a further supplement and improvement to this embodiment, as shown in fig. 1, a fixing post 101 is disposed in the lamp housing 100, and the connecting wires between the cold led filament 300, the warm led filament 301 and the color-adjusting circuit module 400 pass through the fixing post 101 and are fixed in the fixing post 101. Thereby facilitating the fixation of the cold led filament 300 and the warm led filament 301.

As a further supplement and improvement to this embodiment, as shown in fig. 1, the cold led filament 300 and the warm led filament 301 are respectively in long strips, and the cold led filament 300 and the warm led filament 301 are distributed around the outer periphery of the fixed column 101. So that the bright light can be uniformly emitted to the outside.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not limitations to the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. The utility model provides a from led bulb of area mixing of colors function, a serial communication port, including lamp shade (100), lamp shade (100) bottom is connected with lamp holder (200), be provided with cold led filament (300) and warm led filament (301) in lamp shade (100), lamp holder (200) inside is provided with mixing of colors circuit module (400), and mixing of colors circuit module (400) is including outage detection module (500), AC rectifier module (600), voltage stabilizing module (700), singlechip (800) and chip (900) of adjusting luminance, and the input switch-on external power source of outage detection module (500) and AC rectifier module (600), and singlechip (800) are connected to the output of outage detection module (500), and to singlechip (800) transmission outage signal in order to trigger singlechip (800), external power source switches on after AC rectifier module (600) rectification chip (900), cold led filament (300), Warm look led filament (301), switch on singlechip (800) behind external power source through AC rectifier module (600) and voltage stabilizing module (700) rectification steady voltage, singlechip (800) electric connection adjusts the input of light chip (900), adjust luminance chip (900) transmission PWM control signal, cold look led filament (300) and warm look led filament (301) are connected respectively to two output of adjusting luminance chip (900), the luminance of cold look led filament (300) and warm look led filament (301) is controlled respectively to the current value through two output.

2. The led lamp bulb with the color-adjusting function as claimed in claim 1, wherein the single chip microcomputer (800) is a MT2410E chip, and is a chip with a memory switch for adjusting the color temperature and the light.

3. The led bulb with the color-adjusting function as claimed in claim 2, wherein the model of the light-adjusting chip (900) is an SM2123 chip, the led constant-current driving control chip is a dual-channel light-adjustable led constant-current driving control chip, and the chip can realize digital or analog light-adjusting function through a DIM port pin.

4. The led lamp with the color matching function according to claim 3, wherein the power failure detection module (500) comprises a half-wave rectifier diode D1 and a diode D2, a resistor R1, a resistor R2 and a capacitor C1, a fuse F1 is arranged between the power failure detection module (500) and an external power supply, the half-wave rectifier diodes D1 and D2 are grounded in series through resistors R1 and R2, the R2 is connected with a pin 5 of the single chip microcomputer (800) after being connected with the capacitor C1 in parallel, the AC rectifier module (600) comprises a rectifier bridge DB1 formed by four diodes and an electrolytic capacitor C1, the rectifier bridges 1 and 3 of the AC rectifier module (600) are connected with the two half-wave rectifiers of the power failure detection module (500), the pin 4 of the rectifier bridge DB1 is grounded, the pin 2 of the AC rectifier module (600) is electrically connected with the voltage stabilizing module (700) through the electrolytic capacitor C1, and the voltage stabilizing module (700) comprises a resistor R3, The dimming circuit comprises a resistor R4, a resistor R5, a voltage stabilizing diode ZD1, a capacitor C2 and a resistor R6, wherein the resistor R3 is connected with a resistor R4 and a resistor R5 in parallel and then connected with a diode D3, the other end of the R3 is connected with the cathode of a diode ZD1, the anode of the diode is connected with the cathode of a capacitor C1, the capacitor C2 and the resistor R5 are connected with a diode C1 in parallel, the resistor R6 is connected with the capacitor C2 in parallel, one end of a resistor R6 is connected with a singlechip U1, the other end of the resistor R6 is connected with the ground, the 8 pin of the singlechip (800) is grounded, the 5 pin of the singlechip (800) is connected with a capacitor C1, the 6 pin output pin of the singlechip (800) is connected with the 3 pin of a dimming chip (900) through a resistor R10 and is grounded through an R8, the 7 pin of the singlechip (800) is connected with the control pin 1 pin of the dimming chip (900) through a resistor R9 and is grounded through, R12 ground connection, the 5 feet of chip (900) of adjusting luminance is connected with the negative pole LED-2 of cold color LED filament (300), the 6 feet of chip (900) of adjusting luminance is connected with the negative pole LED-1 of warm color LED filament (301), the 8 feet of chip (900) of adjusting luminance connect the anodal LED +, be equipped with diode D3 between 8 feet of chip (900) of adjusting luminance and the anodal LED + of cold color LED filament (300) and warm color LED filament (301).

5. The led lamp with the color adjusting function according to claim 4, wherein the lamp holder (200) is provided with a first power connection terminal (201) and a second power connection terminal (202) for connecting an external power source, and the power input terminal of the power failure detection module (500) is electrically connected to the first power connection terminal (201) and the second power connection terminal (202), respectively.

6. The led bulb with the color adjusting function according to claim 5, wherein a thread mounting groove (203) is integrally formed on the outer periphery of the lamp cap (200), the first power connection end (201) is disposed at the bottom end of the lamp cap (200), and the second power connection end (202) is disposed at the upper side of the thread mounting groove (203).

7. The led bulb with the color-mixing function as claimed in claim 1, wherein a fixing post (101) is arranged in the lamp housing (100), and connecting wires between the cold led filament (300), the warm led filament (301) and the color-mixing circuit module (400) pass through the fixing post (101) and are fixed in the fixing post (101).

8. The led bulb with the color adjusting function according to claim 1, wherein the cold led filament (300) and the warm led filament (301) are respectively in an elongated shape, and the cold led filament (300) and the warm led filament (301) are distributed around the periphery of the fixing post (101).