CN219893473U

CN219893473U - LED control circuit capable of turning on and turning off gradually and LED lamp thereof

Info

Publication number: CN219893473U
Application number: CN202320600363.3U
Authority: CN
Inventors: 黄浩
Original assignee: Zhongshan Lishun Lighting Electrical Appliances Co ltd
Current assignee: Zhongshan Lishun Lighting Electrical Appliances Co ltd
Priority date: 2023-03-24
Filing date: 2023-03-24
Publication date: 2023-10-24
Anticipated expiration: 2033-03-24

Abstract

The utility model discloses an LED control circuit capable of turning on and turning off gradually and an LED lamp thereof, wherein the LED control circuit capable of turning on and turning off gradually comprises an alternating current power supply, an iron core inductor, a rectifier bridge, an energy storage element and an LED lamp set, the LED control circuit comprises an alternating current power supply, an iron core transformer, a rectifier bridge, an energy storage element and an LED lamp set, the LED lamp comprises an alternating current power supply, a rectifier bridge, an AC/DC circuit, a PWM control circuit, an energy storage element, a first rectifier diode, an LED lamp set, a first MOSFET tube, a second MOSFET tube and a third MOSFET tube, and the LED lamp comprises the LED lamp capable of turning on and turning off gradually, two lamp plates arranged in parallel, a circuit board control box and a plug; the utility model has lower cost and can realize the function of turning on and off gradually in second-level, thereby effectively improving the use experience of consumers.

Description

LED control circuit capable of turning on and turning off gradually and LED lamp thereof

Technical Field

The utility model relates to the technical field of lighting LED circuits and lighting tools thereof, in particular to an LED control circuit capable of turning on and turning off gradually and an LED lamp thereof.

Background

The conventional fluorescent lamp lighting lamp is gradually replaced by the daily LED lamp, and the daily LED lamp is increasingly and commonly used by people.

However, the existing LED lamps are turned on or off, and are dark, so that the visual effect of the on or off is uncomfortable for the consumer, the use experience of the consumer is greatly reduced, and particularly during the night, strong eyeball irritation is brought to the consumer, so that the consumer is uncomfortable in mind. Therefore, some LED lamps are controlled to turn on, turn off and fade through complicated and various voltage regulating devices, but the LED lamps are expensive in cost and cannot be favored by consumers.

In summary, there is an urgent need in the market for an LED control circuit and an LED lamp thereof that are low in cost and capable of achieving the functions of turning on and off gradually.

Disclosure of Invention

The utility model aims to overcome the defects in the prior art and provide the LED control circuit for gradually turning on and off the lamp and the LED lamp thereof, which have lower cost and can realize the function of gradually turning on and off the lamp.

In order to achieve the above purpose, the present utility model is realized by the following technical scheme:

in a first aspect, the utility model provides an LED control circuit for turning on and off gradually, which comprises an ac power supply, an iron core inductor, a rectifier bridge, an energy storage element and an LED lamp set, wherein one end of the iron core inductor is connected to a first end of the ac power supply, the other end of the iron core inductor is connected to a first end of the rectifier bridge, a second end of the ac power supply is connected to a third end of the rectifier bridge, a second end of the rectifier bridge is connected to the first end of the LED lamp set, a fourth end of the rectifier bridge is connected to the second end of the LED lamp set, and the energy storage element is connected in parallel between the second end of the rectifier bridge and the fourth end of the rectifier bridge.

Preferably, the LED lamp group comprises a yellow LED lamp group and a white LED lamp group, one end of the PWM control circuit is respectively connected with grid electrodes of the first MOSFET tube and the second MOSFET tube, the second end of the yellow LED lamp group is connected with the fourth end of the rectifier bridge through the drain electrode and the source electrode of the first MOSFET tube, and the second end of the white LED lamp group is connected with the fourth end of the rectifier bridge through the drain electrode and the source electrode of the second MOSFET tube.

Preferably, the energy storage element is an electrolytic capacitor, a super capacitor or an energy storage battery, and the capacitance values of the electrolytic capacitor and the super capacitor are both larger than 1000 microfarads.

In a second aspect, the utility model provides an LED control circuit with a gradually-turned-on/off LED, which comprises an ac power supply, an iron core transformer, a rectifier bridge, an energy storage element and an LED lamp set, wherein the first end of the iron core transformer is connected with the first end of the ac power supply, the third end of the iron core transformer is connected with the second end of the ac power supply, the second end of the iron core transformer is connected with the first end of the rectifier bridge, the fourth end of the iron core transformer is connected with the third end of the rectifier bridge, the second end of the rectifier bridge is connected with the first end of the LED lamp set, the fourth end of the rectifier bridge is connected with the second end of the LED lamp set, and the energy storage element is connected in parallel between the second end of the rectifier bridge and the fourth end of the rectifier bridge.

In a third aspect, the utility model provides an LED control circuit with a gradually-turned-on/off LED, which comprises an AC power supply, a rectifier bridge, an AC/DC circuit, a PWM control circuit, an energy storage element, a first rectifier diode, an LED lamp set, a first MOSFET, a second MOSFET and a third MOSFET, wherein the LED lamp set comprises a yellow LED lamp set and a white LED lamp set, the first end of the AC power supply is connected to the first end of the rectifier bridge, the second end of the AC power supply is connected to the third end of the rectifier bridge, the second end of the rectifier bridge is connected to the first end of the AC/DC circuit, the fourth end of the AC/DC circuit is connected to the source of the third MOSFET, the third end of the AC/DC circuit is connected to the drain of the third MOSFET, the second end of the AC/DC circuit is connected to the first end of the first rectifier diode, the second end of the first rectifier diode is connected to the first end of the yellow LED lamp set, the white LED lamp set is connected to the drain of the first MOSFET, the second end of the second LED lamp set is connected to the second end of the second MOSFET is connected to the drain of the first MOSFET, the second end of the second MOSFET is connected to the second end of the fourth MOSFET, the second end of the fourth MOSFET is connected to the AC/DC circuit is connected to the drain of the AC/DC circuit, and the AC/DC circuit is connected to the AC/DC circuit is connected to the drain of the first MOSFET is connected to the first AC/DC circuit is.

Preferably, a sixth resistor is also included in parallel between the second end of the AC/DC circuit and the fourth end of the AC/DC circuit.

The fourth aspect, an LED lamps and lanterns that turn on gradually turn off gradually dark, include first aspect an LED control circuit that turn on gradually turn off gradually dark, two parallel arrangement's lamp plate, circuit board control box and plug, an LED banks that turn on gradually dark as first aspect, it includes evenly installs respectively on two lamp plates, the rectifier bridge that it includes is installed in circuit board control box, its alternating current power that includes is connected with the plug electricity, its iron core inductance that includes is connected with plug, line box control box electricity respectively, two the lamp plates pass through the wire and establish ties together, line box control box is connected with two lamp plates electricity respectively.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the LED control circuit capable of realizing the gradual lighting and the gradual lighting, provided by the utility model, the energy storage elements are arranged in the LED control circuit, so that the gradual lighting and the gradual lighting, the gradual lighting and the gradual lighting are realized for the LED lamp group, the LED control circuit is friendly to the LED lamp group, the service life of the LED lamp group is prolonged, a certain visual buffer is provided for consumers, the use experience of the consumers is improved, and in addition, the energy storage elements are simple to connect and low in manufacturing cost.

2. The LED lamp with the gradually-turned-on and gradually-turned-off lamp is simple in structure, convenient to assemble and connect by wires, and greatly reduces production cost.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic diagram of a LED control circuit for turning on and off a light gradually according to a first embodiment of example 1 of the present utility model;

fig. 2 is a schematic diagram of a LED control circuit for turning on and off a light gradually according to a second embodiment of example 1 of the present utility model;

fig. 3 is a schematic structural diagram of an LED control circuit for turning on and off a light gradually according to a first embodiment of example 2 of the present utility model;

fig. 4 is a schematic structural diagram of an LED control circuit for turning on and off a light gradually according to a second embodiment of the present utility model in example 2;

fig. 5 is a schematic diagram of a LED control circuit with a turned-on/off LED in accordance with embodiment 3 of the present utility model;

fig. 6 is a schematic structural diagram of an LED lamp with a turned-on lamp and a turned-off lamp according to a first embodiment of example 4 of the present utility model;

fig. 7 is a schematic structural diagram of an LED lamp with a turned-on lamp and a turned-off lamp according to a second embodiment of the utility model in example 4.

The drawings include:

AC. An alternating current power supply; l1, an iron core inductor; BR, rectifier bridge; c1, an energy storage element; 3. an LED lamp group; 31. a yellow LED lamp group; 32. a white light LED lamp set; q1, a first MOSFET; q2, a second MOSFET; q3, a third MOSFET; s1, a two-way switch circuit; t1, an iron core transformer; d9, a first rectifying diode; r5, a fifth resistor; r6, a sixth resistor; f2, a fuse resistor; RV2, piezoresistor; c2, a common capacitor; 4. a lamp panel; 5. a circuit board control box; 6. a plug.

Detailed Description

The technical solutions of the present embodiment of the present utility model will be clearly and completely described below with reference to the drawings in the present embodiment of the present utility model, and it is apparent that the described present embodiment is one embodiment of the present utility model, but not all the present embodiments. All other embodiments, which can be made by those skilled in the art without making any inventive effort, are intended to be within the scope of the present utility model.

Example 1:

referring to fig. 1 to 2, an embodiment of the utility model provides an LED control circuit with gradually turning on/off the LED, which comprises an AC power source AC, an iron core inductor L1, a rectifier bridge BR, an energy storage element C1 and an LED lamp set 3, wherein one end of the iron core inductor L1 is connected to a first end of the AC power source AC, the other end of the iron core inductor L is connected to a first end of the rectifier bridge BR, a second end of the AC power source AC is connected to a third end of the rectifier bridge BR, a second end of the rectifier bridge BR is connected to a first end of the LED lamp set 3, a fourth end of the rectifier bridge BR is connected to a second end of the LED lamp set 3, and the energy storage element C1 is connected in parallel between the second end of the rectifier bridge BR and the fourth end of the rectifier bridge BR. The LED control circuit further comprises a safety resistor F2, a piezoresistor RV2 and a common capacitor C2, wherein the safety resistor F2 is connected in series between the AC power supply AC and one end of the iron core inductor L1, one ends of the piezoresistor RV2 and the common capacitor C2 are respectively connected between the safety resistor F2 and one end of the iron core inductor L1, the other ends of the piezoresistor RV2 and the common capacitor C2 are respectively connected between the second end of the AC power supply AC and the third end of the rectifier bridge BR, and the safety resistor F2, the piezoresistor RV2 and the common capacitor C2 ensure safe use of the LED control circuit.

The energy storage element C1 is an electrolytic capacitor or a super capacitor or an energy storage battery or other energy storage capacitor devices, the capacitance values of the electrolytic capacitor and the super capacitor are both larger than 1000 microfarads, and the energy storage battery is a battery which can be used for energy storage, such as a lithium iron phosphate battery, a ternary lithium battery or a sodium battery. In addition, a plurality of energy storage elements C1 may be provided, and the plurality of energy storage elements C1 are disposed in a matrix form between the second end of the rectifier bridge BR and the fourth end of the rectifier bridge BR, that is, the plurality of energy storage elements C1 are connected between the second end of the rectifier bridge BR and the fourth end of the rectifier bridge BR in a serial-parallel manner.

The LED control circuit capable of realizing the double-color switching function of yellow light and white light can be realized by the following two specific embodiments:

the first embodiment is: the LED control circuit further comprises a PWM control circuit, a first MOSFET Q1 and a second MOSFET Q2, the LED lamp group 3 comprises a yellow LED lamp group 31 and a white LED lamp group 32, one end of the PWM control circuit is respectively connected with the grid electrodes of the first MOSFET Q1 and the second MOSFET Q2, the second end of the yellow LED lamp group 31 is connected with the fourth end of the rectifier bridge BR through the drain electrode and the source electrode of the first MOSFET Q1, and the second end of the white LED lamp group 32 is connected with the fourth end of the rectifier bridge BR through the drain electrode and the source electrode of the second MOSFET Q2. The PWM control circuit is in the prior art, and the PWM control circuit needs to be connected with an external power supply to obtain electric energy, and then outputs PWM signals generated by the PWM control circuit to the gates of the first MOSFET Q1 and the second MOSFET Q2, so as to realize the switching function of the first MOSFET Q1 and the second MOSFET Q2, thereby realizing the switching display function of the yellow LED lamp group 31 and the white LED lamp group 32.

The second embodiment is: the LED control circuit further comprises two paths of switch circuits S1, the LED lamp set 3 comprises a yellow LED lamp set 31 and a white LED lamp set 32, the second end of the yellow LED lamp set 31 is connected to the first end of the two paths of switch circuits S1, the second end of the white LED lamp set 32 is connected to the second end of the two paths of switch circuits S1, and the fourth end of the rectifier bridge BR is connected to the third end of the two paths of switch circuits S1. The two-way switch circuit S1 is an electronic switch.

The LED lamp set 3 may further include a plurality of groups of yellow LED lamp sets 31 arranged in parallel or a plurality of groups of white LED lamp sets 32 arranged in parallel, and all LEDs in the yellow LED lamp sets 31 are arranged in series, and all LEDs in the white LED lamp sets 32 are arranged in series. In addition, the capacitance values of the electrolytic capacitor and the super capacitor are larger than 1000 microfarads, the capacitance value can be specifically selected according to the actual power of the LED lamp set 3, and the second-level gradual-brightness gradual-darkness can be realized.

In addition, for the control method of the PWM control circuit or the two-way switching circuit S1, the embodiment of the present utility model needs to be supplemented with: in the LED control circuit, a wall switch (the wall switch is in the prior art and is not shown in the figure) is connected in series between a first end of an AC power supply AC and one end of a safety resistor F2, an output end of the wall switch is connected with a voltage-reducing circuit module (not shown in the figure), an output end of the voltage-reducing circuit module is connected with a second end of the AC power supply AC, the voltage-reducing circuit module is electrically connected with an MCU control module (not shown in the figure), and the MCU control module controls the PWM control circuit or the two-way switch circuit S1 in a circuit connection or communication connection manner (the connection manner is not shown in the figure). Particularly, when the MCU control module realizes control in a communication connection mode, a loop is led out between the second end and the fourth end of the rectifier bridge BR to supply power for the PWM control circuit or the two-way switch circuit S1. (this connection is not shown in the figure)

Example 2:

referring to fig. 3 to 4, an embodiment of the utility model provides an LED control circuit with gradually turning on/off the LED, which comprises an AC power source AC, an iron core transformer T1, a rectifier bridge BR, an energy storage element C1 and an LED lamp set 3, wherein a first end of the iron core transformer T1 is connected with the first end of the AC power source AC, a third end of the iron core transformer T1 is connected with a second end of the AC power source AC, a second end of the iron core transformer T1 is connected with a first end of the rectifier bridge BR, a fourth end of the iron core transformer T1 is connected with a third end of the rectifier bridge BR, a second end of the rectifier bridge BR is connected with a first end of the LED lamp set 3, a fourth end of the rectifier bridge BR is connected with a second end of the LED lamp set 3, and the energy storage element C1 is connected in parallel between the second end of the rectifier bridge BR and a fourth end of the rectifier bridge BR. The LED control circuit further comprises a safety resistor F2, a piezoresistor RV2 and a common capacitor C2, wherein the safety resistor F2 is connected in series between the AC power supply AC and the first end of the iron core transformer T1, one ends of the piezoresistor RV2 and the common capacitor C2 are respectively connected between the safety resistor F2 and the first end of the iron core transformer T1, the other ends of the piezoresistor RV2 and the common capacitor C2 are respectively connected between the second end of the AC power supply AC and the third end of the iron core transformer T1, and the safety resistor F2, the piezoresistor RV2 and the common capacitor C2 ensure safe use of the LED control circuit.

The second embodiment is: the LED control circuit further comprises two paths of switch circuits S1, the LED lamp set 3 comprises a yellow LED lamp set 31 and a white LED lamp set 32, the second end of the yellow LED lamp set 31 is connected to the first end of the two paths of switch circuits S1, the second end of the white LED lamp set 32 is connected to the second end of the two paths of switch circuits S1, and the fourth end of the rectifier bridge BR is connected to the third end of the two paths of switch circuits S1. The two-way switch circuit S1 is an electronic switch. .

Example 3:

referring to fig. 5, an embodiment of the utility model provides an LED control circuit with gradually-turned-on/off LED, which comprises an AC power supply AC, a rectifier bridge BR, an AC/DC circuit, a PWM control circuit, a tank cell C1, a first rectifier diode D9, an LED lamp set 3, a first MOSFET tube Q1, a second MOSFET tube Q2 and a third MOSFET tube Q3, wherein the LED lamp set 3 comprises a yellow LED lamp set 31 and a white LED lamp set 32, a first end of the AC power supply AC is connected to a first end of the rectifier bridge BR, a second end of the AC power supply AC is connected to a third end of the rectifier bridge BR, a second end of the rectifier bridge BR is connected to a first end of the AC/DC circuit, a fourth end of the AC/DC circuit is connected to a source of the third MOSFET tube Q3, a third end of the AC/DC circuit is connected to a drain of the third MOSFET tube Q3, a second end of the AC/DC circuit is connected to a first end of the first MOSFET tube D9, a second end of the first rectifier diode D9 is connected to a first end of the LED lamp set 31, a first end of the white LED lamp set 32 is connected to a first end of the white LED lamp set 32, a first end of the first MOSFET tube set 31 is connected to a second end of the first MOSFET tube Q2, a second end of the first MOSFET tube Q2 is connected to a drain of the AC/DC control circuit is connected to the DC end of the DC control circuit, and a third end of the AC/DC control circuit is connected to the DC end of the DC transistor Q2 is connected to the DC transistor Q1, and the DC control circuit is connected to the DC end of the Q2. The PWM control circuit is in the prior art, and the PWM control circuit needs to be connected with an external power supply to obtain electric energy, and then outputs PWM signals generated by the PWM control circuit to the gates of the first MOSFET Q1, the second MOSFET Q2 and the third MOSFET Q3 respectively, so as to realize the switching functions of the first MOSFET Q1, the second MOSFET Q2 and the third MOSFET Q3, thereby realizing the switching display of the yellow LED lamp set 31 and the white LED lamp set 32 and the switching circuit function of AC/DC.

The LED control circuit further comprises the following technical scheme: the energy storage elements C1 may also be arranged in two, one of the two energy storage elements C1 being connected in parallel between the first end of the AC/DC circuit and the gate of the third MOSFET Q3, and the other being connected in parallel between the second end of the AC/DC circuit and the fourth end of the AC/DC circuit.

The energy storage element C1 is an electrolytic capacitor or a super capacitor or an energy storage battery or other energy storage capacitor devices, the capacitance values of the electrolytic capacitor and the super capacitor are both larger than 1000 microfarads, and the energy storage battery is a battery which can be used for energy storage, such as a lithium iron phosphate battery, a ternary lithium battery or a sodium battery. In addition, a plurality of energy storage elements C1 may be provided, the plurality of energy storage elements C1 being disposed in a matrix form between the first end of the AC/DC circuit and the gate of the third MOSFET Q3 and/or between the second end of the AC/DC circuit and the fourth end of the AC/DC circuit, i.e., the plurality of energy storage elements C1 being connected between the first end of the AC/DC circuit and the gate of the third MOSFET Q3 and/or between the second end of the AC/DC circuit and the fourth end of the AC/DC circuit in a serial-parallel manner.

The LED control circuit further comprises a safety resistor F2, a piezoresistor RV2 and a common capacitor C2, wherein the safety resistor F2 is connected in series between the AC power supply AC and the first end of the rectifier bridge BR, one end of the piezoresistor RV2 is respectively connected between the safety resistor F2 and the first end of the rectifier bridge BR, and the other ends of the piezoresistor RV2 and the rectifier bridge BR are respectively connected between the second end of the AC power supply AC and the third end of the rectifier bridge BR. A common capacitor C2 is connected in parallel between the first terminal of the AC/DC circuit and the gate of the third MOSFET transistor Q3. The safety resistor F2, the piezoresistor RV2 and the common capacitor C2 ensure the safe use of the LED control circuit.

The LED further comprises a fifth resistor R5 connected in series between the third terminal of the AC/DC circuit and the drain of the third MOSFET transistor Q3 and a sixth resistor R6 connected in parallel between the second terminal of the AC/DC circuit and the fourth terminal of the AC/DC circuit. The fifth resistor R5 effectively prevents the AC/DC circuit from being damaged by overvoltage, and the sixth resistor R6 effectively prevents the yellow LED lamp set 31 or the white LED lamp set 32 from being damaged by overcurrent.

In addition, for the control method of the PWM control circuit, the embodiment of the present utility model needs to be supplemented with: in the LED control circuit, a wall switch (the wall switch is in the prior art and is not shown in the figure) is connected in series between a first end of an AC power supply AC and one end of a safety resistor F2, an output end of the wall switch is connected with a voltage-reducing circuit module (not shown in the figure), an output end of the voltage-reducing circuit module is connected with a second end of the AC power supply AC, the voltage-reducing circuit module is electrically connected with an MCU control module (not shown in the figure), and the MCU control module controls the PWM control circuit in a circuit connection or communication connection manner (the connection manner is not shown in the figure). Particularly, when the MCU control module realizes control in a communication connection mode, a loop is led out between the second end and the fourth end of the AC/DC circuit to supply power for the PWM control circuit. (this connection is not shown in the figure)

Example 4:

referring to fig. 6 to fig. 7, an embodiment of the present utility model provides an LED lamp with a turned-on lamp and a turned-off lamp, which is realized by the following two specific embodiments:

the first embodiment is: the LED control circuit comprises an LED control circuit with a gradually-turned-on lamp and a gradually-turned-off lamp in embodiment 1, two lamp panels 4 which are arranged in parallel, a circuit board control box 5 and a plug 6, wherein the LED control circuit with the gradually-turned-on lamp and the gradually-turned-off lamp in embodiment 1 comprises an LED lamp group 3 which is respectively and uniformly arranged on the two lamp panels 4, a rectifier bridge BR which comprises the LED lamp group 3 is arranged in the circuit board control box 5, an alternating current power supply AC which comprises the rectifier bridge BR is electrically connected with the plug 6, an iron core inductance L1 which comprises the iron core inductance L1 is respectively electrically connected with the plug 6 and the circuit board control box, the two lamp panels 4 are connected in series through wires, and the circuit board control box is respectively electrically connected with the two lamp panels 4.

The second embodiment is: the iron core inductor L1 in the first embodiment is replaced by an inductive ballast, and the inductive ballast is more convenient to install and layout and connect wires, although the inductive ballast is of an iron core and inductor structure in electronic property.

The plug 6, the iron core inductor L1 or the inductive ballast, the energy storage element C1 and the circuit board control box 5 are all installed at the middle positions of the tops of the two side lamp panels 4. The LED lamp is low in production cost, simple in structure and convenient to install, and can be quickly assembled into a ceiling lamp, a recessed ceiling lamp, a wall lamp, a desk lamp and other decorative lamps.

The foregoing is only illustrative of the preferred embodiments of the present utility model and is not to be construed as limiting the utility model, but rather as various modifications, equivalent arrangements, improvements, etc., within the spirit and principles of the present utility model.

Claims

1. The utility model provides a turn-on gradually turns on and turns off LED control circuit that lamp is dark gradually, its characterized in that includes alternating current power supply (AC), iron core inductance (L1), rectifier Bridge (BR), energy storage element (C1) and LED banks (3), iron core inductance (L1) one end is connected at alternating current power supply (AC) first end, and the other end is connected at rectifier Bridge (BR) first end, alternating current power supply (AC) second end is connected at rectifier Bridge (BR) third end, the second end of rectifier Bridge (BR) is connected at LED banks (3) first end, and its fourth end is connected at LED banks (3) second end, energy storage element (C1) connects in parallel between rectifier Bridge (BR) second end and rectifier Bridge (BR) fourth end.

2. The LED control circuit of claim 1, further comprising a PWM control circuit, a first MOSFET (Q1) and a second MOSFET (Q2), wherein the LED lamp set (3) comprises a yellow LED lamp set (31) and a white LED lamp set (32), one end of the PWM control circuit is connected to the gates of the first MOSFET (Q1) and the second MOSFET (Q2), the second end of the yellow LED lamp set (31) is connected to the fourth end of the rectifier Bridge (BR) through the drain and the source of the first MOSFET (Q1), and the second end of the white LED lamp set (32) is connected to the fourth end of the rectifier Bridge (BR) through the drain and the source of the second MOSFET (Q2).

3. The LED control circuit of claim 1, wherein said energy storage element (C1) is an electrolytic capacitor or a super capacitor or an energy storage battery, and the capacitance values of said electrolytic capacitor and super capacitor are both greater than 1000 microfarads.

4. The utility model provides a turn-on gradually turns on and turns off LED control circuit that lamp is dark gradually, its characterized in that includes alternating current power supply (AC), iron core transformer (T1), rectifier Bridge (BR), energy storage element (C1) and LED banks (3), the first end of iron core transformer (T1) is connected with alternating current power supply (AC) first end, and its third end is connected with alternating current power supply (AC) second end, and its second end is connected with rectifier Bridge (BR) first end, and its fourth end is connected with rectifier Bridge (BR) third end, the second end of rectifier Bridge (BR) is connected at LED banks (3) first end, and its fourth end is connected at LED banks (3) second end, energy storage element (C1) are parallelly connected between rectifier Bridge (BR) second end and rectifier Bridge (BR) fourth end.

5. The LED control circuit of claim 4, further comprising a PWM control circuit, a first MOSFET (Q1) and a second MOSFET (Q2), wherein said LED lamp set (3) comprises a yellow LED lamp set (31) and a white LED lamp set (32), one end of said PWM control circuit is connected to the gates of said first MOSFET (Q1) and said second MOSFET (Q2), the second end of said yellow LED lamp set (31) is connected to the fourth end of said rectifier Bridge (BR) through the drain and the source of said first MOSFET (Q1), and the second end of said white LED lamp set (32) is connected to the fourth end of said rectifier Bridge (BR) through the drain and the source of said second MOSFET (Q2).

6. The LED control circuit of claim 4, wherein said energy storage element (C1) is an electrolytic capacitor, super capacitor or energy storage battery, and said electrolytic capacitor, super capacitor have a capacitance value greater than 1000 microfarads.

7. An LED control circuit with gradually-turned-on and gradually-turned-off lamps is characterized by comprising an alternating current power supply (AC), a rectifier Bridge (BR), an AC/DC circuit, a PWM control circuit, an energy storage element (C1), a first rectifier diode (D9), an LED lamp group (3), a first MOSFET (Q1), a second MOSFET (Q2) and a third MOSFET (Q3), wherein the LED lamp group (3) comprises a yellow LED lamp group (31) and a white LED lamp group (32), the first end of the AC power supply (AC) is connected with the first end of the rectifier Bridge (BR), the second end of the AC power supply is connected with the third end of the rectifier Bridge (BR), the second end of the rectifier Bridge (BR) is connected with the first end of the AC/DC circuit, the fourth end of the AC/DC circuit is connected with the source electrode of the third MOSFET (Q3), the third end of the AC/DC circuit is connected with the drain electrode of the third MOSFET (Q3), the second end of the AC/DC circuit is connected with the first end of the first rectifier diode (D9), the first end of the first rectifier diode (D9) is connected with the first end of the white LED lamp group (Q32), the first end of the white LED lamp group (Q2) is connected with the second end of the LED lamp group (Q1) respectively, the second end of the white LED lamp group (Q2) is connected with the drain electrode (Q2) is connected with the first end of the white LED lamp group respectively, one end of the PWM control circuit is respectively connected with the grids of the first MOSFET (Q1), the second MOSFET (Q2) and the third MOSFET (Q3), and the energy storage element (C1) is connected in parallel between the first end of the AC/DC circuit and the grid of the third MOSFET (Q3) or between the second end of the AC/DC circuit and the fourth end of the AC/DC circuit.

8. The LED control circuit of claim 7, wherein said energy storage element (C1) is an electrolytic capacitor, super capacitor or energy storage battery, and said electrolytic capacitor, super capacitor have a capacitance value greater than 1000 microfarads.

9. The LED control circuit of claim 7, further comprising a sixth resistor (R6) connected in parallel between the second terminal of the AC/DC circuit and the fourth terminal of the AC/DC circuit.

10. The LED lamp with the gradually-turned-on and gradually-turned-off light is characterized by comprising the LED control circuit with the gradually-turned-on and gradually-turned-off light, two parallel lamp panels (4), a circuit board control box (5) and a plug (6), wherein the LED control circuit with the gradually-turned-on and gradually-turned-off light is characterized in that the LED lamp group (3) is uniformly arranged on the two lamp panels (4) respectively, a rectifier Bridge (BR) is arranged in the circuit board control box (5), an alternating current power supply (AC) is arranged in the rectifier bridge, the rectifier bridge is electrically connected with the plug (6), an iron core inductor (L1) is respectively electrically connected with the plug (6) and the circuit box control box, the two lamp panels (4) are connected in series through wires, and the circuit box control box is respectively electrically connected with the two lamp panels (4).