CN210670666U

CN210670666U - Prevent that non-isolated power supply from puncturing lamp pearl circuit

Info

Publication number: CN210670666U
Application number: CN201921743365.8U
Authority: CN
Inventors: 张万龙; 邢宏印
Original assignee: Shenzhen Zhihexingye Electronics Co ltd
Current assignee: Shenzhen Zhihexingye Electronics Co ltd
Priority date: 2019-10-17
Filing date: 2019-10-17
Publication date: 2020-06-02
Anticipated expiration: 2029-10-17

Abstract

The utility model discloses a prevent that non-isolation power supply from puncturing lamp pearl circuit, including a N electric capacity, a N emitting diode, electric capacity and emitting diode adopt earlier and back cluster's mode, then only need go up a paster electric capacity that connects in parallel in every lump can generally select 100 NF-1 UF 50V (C1, C2, C3, C4, C _ N) can, it can effectively solve because of the lamp plate electric leakage and the lamp pearl damage that the surge of thunderbolt arouses. The circuit of the utility model can effectively solve the lamp bead damage phenomenon caused by the non-isolated power supply, and can also effectively solve the damage problem of the whole lamp during high-voltage test; by utilizing the principle that the voltage at two ends of the capacitor can not be suddenly changed, the peak and the vibration at two ends of the lamp bead are effectively eliminated.

Description

Prevent that non-isolated power supply from puncturing lamp pearl circuit

Technical Field

The utility model relates to a circuit design technical field, concretely relates to prevent that non-isolated power supply from puncturing lamp pearl circuit.

Background

In recent years, non-isolated power supplies have a high market in LED driving power supplies, particularly in industrial and mining lamps and indoor lighting, with various advantages such as low cost, high reliability and extremely high conversion efficiency. The lamp bead has a breakdown phenomenon of a certain regular rate due to the fact that the lamp bead is vibrated by common mode voltage in the ground caused by the adoption of a non-isolated topological structure and insufficient leakage current and insulation strength of the aluminum substrate, and accordingly the whole lamp is not bright.

SUMMERY OF THE UTILITY MODEL

In view of this, in order to solve the above-mentioned problem among the prior art, the utility model provides a prevent that non-isolated power supply from puncturing lamp pearl circuit.

The utility model discloses an above-mentioned problem is solved to following technical means:

a lamp bead circuit for preventing a non-isolated power supply from breaking down comprises a capacitor C1, a capacitor C2, a capacitor C3, capacitors C4, … … and a capacitor CN;

comprises a light emitting diode LED1, a light emitting diode LED2, a light emitting diode LED3, light emitting diodes LED4, … … and a light emitting diode LEDN;

comprises a light emitting diode LED1_2, a light emitting diode LED2_2, a light emitting diode LED3_2, light emitting diodes LED4_2, … … and a light emitting diode LEDN _ 2;

comprises a light emitting diode LED1_3, a light emitting diode LED2_3, a light emitting diode LED3_3, light emitting diodes LED4_3, … … and a light emitting diode LEDN _ 3;

comprises a light emitting diode LED1_4, a light emitting diode LED2_4, a light emitting diode LED3_4, light emitting diodes LED4_4, … … and a light emitting diode LEDN _ 4;

the LED light source comprises a light emitting diode LED1_ N, a light emitting diode LED2_ N, a light emitting diode LED3_ N, light emitting diodes LED4_ N, … … and a light emitting diode LEDN _ N;

the capacitor C1, the light emitting diode LED1, the light emitting diode LED1_2, the light emitting diode LED1_3, the light emitting diodes LED1_4, … … and the light emitting diode LED1_ N are connected in parallel in sequence;

the capacitor C2, the light emitting diode LED2, the light emitting diode LED2_2, the light emitting diode LED2_3, the light emitting diodes LED2_4, … … and the light emitting diode LED2_ N are connected in parallel in sequence;

the capacitor C3, the light emitting diode LED3, the light emitting diode LED3_2, the light emitting diode LED3_3, the light emitting diodes LED3_4, … … and the light emitting diode LED3_ N are connected in parallel in sequence;

the capacitor C4, the light emitting diode LED4, the light emitting diode LED4_2, the light emitting diode LED4_3, the light emitting diodes LED4_4, … … and the light emitting diode LED4_ N are connected in parallel in sequence;

the capacitor CN, the light emitting diode LEDN _2, the light emitting diode LEDN _3, the light emitting diodes LEDN _4, … … and the light emitting diode LEDN _ N are connected in parallel in sequence;

the capacitor C1, the capacitor C2, the capacitor C3, the capacitors C4, … … and the capacitor CN are sequentially connected in series;

the light-emitting diode LED1, the light-emitting diode LED2, the light-emitting diode LED3, the light-emitting diodes LED4, … … and the light-emitting diode LEDN are sequentially connected in series;

the light emitting diode LED1_2, the light emitting diode LED2_2, the light emitting diode LED3_2, the light emitting diodes LED4_2, … … and the light emitting diode LEDN _2 are sequentially connected in series;

the light emitting diode LED1_3, the light emitting diode LED2_3, the light emitting diode LED3_3, the light emitting diodes LED4_3, … … and the light emitting diode LEDN _3 are sequentially connected in series;

the light emitting diode LED1_4, the light emitting diode LED2_4, the light emitting diode LED3_4, the light emitting diodes LED4_4, … … and the light emitting diode LEDN _4 are sequentially connected in series;

the light emitting diode LED1_ N, the light emitting diode LED2_ N, the light emitting diode LED3_ N, the light emitting diodes LED4_ N, … … and the light emitting diode LEDN _ N are sequentially connected in series.

Further, the anode of the light emitting diode LED1_2 is connected with LED +, and the cathode of the light emitting diode LEDN _2 is connected with LED-.

Compared with the prior art, the beneficial effects of the utility model include at least:

1. the utility model discloses the lamp pearl that the non-isolated power that can effectively be solved to the circuit arouses damages the phenomenon, can also effectively solve the damage problem of whole lamp when high-voltage testing simultaneously.

2. The utility model discloses utilize the principle that electric capacity both ends voltage can not mutate, effectively eliminate the peak and the shock at lamp pearl both ends.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is the utility model discloses prevent that non-isolated power supply from puncturing the schematic diagram of lamp pearl circuit.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments accompanying the drawings are described in detail below. It should be noted that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.

Examples

As shown in fig. 1, the utility model provides a prevent that non-isolation power supply from puncturing lamp pearl circuit, including electric capacity C1, electric capacity C2, electric capacity C3, electric capacity C4, … …, electric capacity CN;

In this embodiment, the anode of the LED1_2 is connected to the LED + and the cathode of the LED LEDN _2 is connected to the LED-.

When the circuit is used, a parallel-series mode is needed, then only one patch capacitor is needed to be connected in parallel to each circuit, and 100 NF-1 UF 50V (C1, C2, C3, C4 and C _ N) can be generally selected, so that the problem of lamp bead damage caused by lamp panel electric leakage and lightning surge can be effectively solved.

The utility model discloses the lamp pearl that the non-isolated power that can effectively be solved to the circuit arouses damages the phenomenon, can also effectively solve the damage problem of whole lamp when high-voltage testing simultaneously.

The utility model discloses utilize the principle that electric capacity both ends voltage can not mutate, effectively eliminate the peak and the shock at lamp pearl both ends.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A lamp bead circuit capable of preventing a non-isolated power supply from breaking down is characterized by comprising a capacitor C1, a capacitor C2, a capacitor C3, capacitors C4, … … and a capacitor CN;

.

2. The circuit for preventing the non-isolated power supply from breaking down the lamp bead as claimed in claim 1, wherein the anode of the light emitting diode LED1_2 is connected with the LED +, and the cathode of the light emitting diode LEDN _2 is connected with the LED-.