CN201039520Y - LED device - Google Patents

Abstract

The utility model provides a light-emitting diode device, which comprises a power supply end, at least one surge prevention component and at least one light-emitting diode; the power supply end is connected with the surge prevention component to prevent unstable power and electric quantity input by the power supply end, so that the light-emitting diode is prevented from being damaged by instantaneous voltage flicker and instantaneous high current, and the service life is prolonged.

Description

LED device

technical field

The utility model relates to a light-emitting diode device, in particular to a light-emitting diode device that can suppress instantaneous surges and improve reliability.

Background technique

With the rapid evolution and progress of science and technology, in the lighting world, the era occupied by incandescent lamps and fluorescent lamps has been gradually replaced by LED (Light Emitting Diode). Compared with traditional light bulbs, this LED has high shock resistance and long life. Low power consumption and low heat generation have long been widely used in digital products; because the light-emitting diode’s light-emitting principle and electrical characteristics are different from traditional incandescent and fluorescent lamps, it is extremely sensitive to external unstable power sources, so the light-emitting diode device must be specially designed. Power input should be considered to avoid affecting reliability;

Please refer to FIG. 1, the light emitting diode device 10 is composed of a power supply terminal 11, a control circuit 12 and a light emitting diode 13 connected in series, but the power supply terminal 11 is affected by voltage fluctuations in the power system ( Voltage Fluctuation) or the influence of unstable power supply outside the power system, the light emitting diode 13 will be subjected to current impact and cannot provide a stable light source, relatively shortening the service life of the light emitting diode 13.

In view of this, the designer of the utility model has carefully thought about it, designed it with many years of experience, and finally developed a light-emitting diode device through many discussions, trial sample tests and multiple revisions and improvements.

Utility model content

The first purpose of the utility model is that the light-emitting diode can suppress instantaneous voltage flicker and instantaneous high current damage to the power supply end through the surge prevention component;

In order to achieve the aforementioned purpose, the utility model mainly includes a power supply end, at least one surge prevention component and at least one light emitting diode; When the power system or external abnormal electric energy is input, the surge prevention component performs energy regulation, so that the light-emitting diode can avoid instantaneous voltage flicker and instantaneous high current direct damage through the surge prevention component, and suppress the instability of the input of the power supply terminal. Electricity and electricity, providing the power supply end to suppress surges, thereby prolonging the service life of LEDs.

The second purpose of the present invention is that the surge prevention component can be a capacitive component, which is not limited to the reverse bias of the varactor diode and is easy to operate.

The beneficial effect of the present invention is that: the present invention is equipped with a surge prevention component to prevent unstable power and electric power input from the power supply end, so that the light-emitting diode will avoid being damaged by instantaneous voltage flicker and instantaneous high current, thereby prolonging the service life . In addition, the present invention can use a capacitive component as a surge prevention component, without being limited to a varactor diode with reverse bias and easy operation.

Description of drawings

Figure 1 is a schematic diagram of a device in the prior art.

Fig. 2 is a structural schematic diagram of the utility model.

FIG. 3 is a schematic diagram of the capacitor connection of the surge prevention component of the present invention.

FIG. 4 is a schematic diagram of another connection of a capacitor in the surge prevention component of the present invention.

10 light emitting diode device

11 power supply terminal

12 control circuit

13 LEDs

20 power supply end

30 surge prevention components

40 control circuit

50 LEDs

Detailed ways

Regarding the technology, means and other effects adopted by the utility model, a preferred embodiment is given now, and it is described in detail as follows in conjunction with the diagrams. It is believed that the aforementioned purpose, characteristics and other advantages of the utility model can be obtained from this specific understanding;

Please refer to Fig. 2 (see Fig. 3 and Fig. 4 at the same time), the utility model mainly includes a power supply terminal 20, a surge prevention component 30, a control circuit 40 and a light emitting diode 50;

The power supply end 20 supplies working power, and the power supply end 20 is alternating current or direct current;

The surge prevention component 30 is a capacitive component. The capacitive component is composed of a capacitor, a transistor or a diode. High current damage, when the power supply end 20 has abnormal power input from the power system or the outside world, energy regulation can be performed.

The control circuit 40 is first connected in series with the light-emitting diode 50 as shown in FIG. 3 , and then the aforementioned two are connected in parallel with the surge prevention component 30 , and the light-emitting diode 50 is driven by the control circuit 40 to light up;

In addition, the light emitting diode 20 (please refer to FIG. 4 ) is firstly connected in parallel with the surge prevention component 30 , the aforementioned two are connected in series with the control circuit 40 and then connected in parallel with the power supply end 20 ;

The above is an overview of the relative position and structure of each relevant component in the preferred embodiment of the present invention.

In order to clearly illustrate the action mode and efficacy of the present utility model, please refer to FIG. 2 again: the power supply end 20 and the surge prevention component 30 are connected in parallel to prevent surges, and the surge prevention component 30 and The light emitting diodes 50 are connected in parallel, and when the power supply end 20 has an abnormally high energy input from the power system or the outside world, the surge prevention component 40 is made to perform energy regulation, so that the light emitting diode 50 passes through the surge prevention component 30 can avoid instantaneous voltage flicker and instantaneous high current direct damage, suppress the unstable power and power input from the power supply end 20, provide the power supply end 20 to suppress surges, and prolong the service life of the light emitting diode 50.

Claims (10)

1. A light emitting diode device comprising: A power supply end; at least one anti-surge component; and at least one light-emitting diode, characterized in that: the anti-surge component is electrically connected to the power supply end to suppress the surge; the light-emitting diode and the anti-surge Component connections get power glow. 2 . The light emitting diode device according to claim 1 , wherein the power supply end is first connected in parallel with the surge prevention component, and then the surge prevention component is connected in parallel with the light emitting diode. 3. The light emitting diode device according to claim 1, wherein a control circuit can be additionally provided, which is connected with the light emitting diode for driving. 4. The light-emitting diode device according to claim 3, wherein the control circuit is connected in series with the light-emitting diode first, and the two are connected in parallel with the surge prevention component and then connected in parallel with the power supply end. 5. The light-emitting diode device according to claim 3, wherein the surge prevention component is connected in parallel with the light-emitting diode first, and the aforementioned two are connected in series with the control circuit and then connected in parallel with the power supply end. 6. The light emitting diode device according to claim 1, wherein the surge prevention component is a capacitive component. 7. The LED device according to claim 6, wherein the capacitive component is a capacitor. 8. The LED device of claim 6, wherein the capacitive component is a transistor. 9. The LED device of claim 6, wherein the capacitive component is a diode. 10. The LED device according to claim 6, wherein the capacitive component is composed of a capacitor, a transistor, a diode, or any two of the aforementioned three components.

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