CN201163832Y - A kind of LED lamp suitable for high voltage lighting - Google Patents

Abstract

An LED lamp suitable for high-voltage lighting, including an electronic energy-saving LED lamp. The LED lamp circuit includes a step-down circuit and a filter rectifier circuit. The step-down circuit is connected to the filter rectifier circuit. The step-down circuit is composed of resistors and capacitors connected in parallel. The filter rectifier circuit is composed of four unidirectional diodes connected to each other to form a silicon bridge. The LED lamp circuit is also connected in series with a resistor with overvoltage current limiting protection function. The utility model adopts LED as the light-emitting part, and its structure is simple, convenient and practical. It is directly connected to the high voltage, and the high voltage becomes a low voltage after passing through the step-down circuit and the filtering and rectifying circuit, so as to provide power for the LED lamp. The manufacturing cost is low, and it is convenient and practical.

Description

A kind of LED lamp suitable for high voltage lighting

technical field

The utility model relates to the technical field of lamp manufacturing, in particular to an LED lamp suitable for high-voltage lighting.

Background technique

At present, the use of LED lamps is becoming more and more common, and the scope of application is becoming wider and wider. LED lamps are semiconductors that can convert electrical energy into visible light. According to the analysis, the characteristics of LED are very obvious, such as long life, high luminous efficiency, no radiation and low power consumption. The spectrum of LED is almost all concentrated in the visible light frequency band, and its luminous efficiency can reach 80-90%. Low-voltage start-up under safe voltage, the start-up voltage is generally 10~40V, too high voltage can not make LED lights start and light up, with the popularity of use, the use of LED lights in high-voltage is also a trend, but high-voltage needs If you use LED lights, you need to add a step-down device.

Utility model content

The purpose of this utility model is to overcome the above-mentioned shortcomings of the prior art, and provide an LED lamp with simple structure, convenient use, long life, high luminous efficiency, no radiation, low power consumption, low manufacturing cost and applicable to high voltage.

The utility model can be realized through the following technical solutions:

An LED lamp suitable for high-voltage lighting, including an electronic energy-saving LED lamp. The LED lamp circuit includes a step-down circuit and a filter rectifier circuit. The step-down circuit is connected to the filter rectifier circuit. The step-down circuit is composed of a resistor (R1) and a capacitor (C1) connected in parallel, and the filter rectifier circuit is composed of four unidirectional diodes (D1, D2, D3, D4) connected to each other to form a silicon bridge.

Resistors (R3, R4) with overvoltage and current limiting protection function are connected in series in the LED lamp circuit.

Electronic energy-saving LED lamps are composed of one or more LED lamps, and multiple LED lamps can be connected in parallel or in series.

This type of LED lamp has a simple circuit and a small volume. All components can be packaged under the bottom of the lamp holder, and only two poles are exposed, forming a unique and novel lighting lamp.

Compared with the prior art, the utility model has the following advantages:

The utility model adopts LED as the light-emitting part, and its structure is simple, convenient and practical. It is directly connected to the high voltage, and the high voltage becomes a low voltage after passing through the step-down circuit and the filtering and rectifying circuit to provide power for the LED lamp. The manufacturing cost is low, and it is convenient and practical.

Description of drawings

Accompanying drawing 1 is the utility model circuit schematic diagram.

Detailed ways

The utility model will be further described below in conjunction with the accompanying drawings of the description:

As shown in Figure 1, an LED lamp suitable for high-voltage lighting includes an electronic energy-saving LED lamp. The LED lamp circuit includes a step-down circuit and a filter rectifier circuit. Connected with electronic energy-saving LED lights, the step-down circuit is composed of resistor R1 and capacitor C1 connected in parallel, and the filter rectifier circuit is composed of four unidirectional diodes D1, diode D2, diode D3, and diode D4 connected to each other to form a silicon bridge.

The LED lamp circuit is also connected in series with resistors R3 and R4 for overvoltage and current limiting protection.

The electronic energy-saving LED lamp is composed of multiple LED lamps connected in series.

The circuit of this type of LED lamp is simple and the volume is small. All components can be packaged under the bottom of the lamp holder, and only two poles are exposed to form a unique and novel LED lighting lamp. Its adaptable voltage is 110 volts to 240 volts. .

The utility model adopts an electronic energy-saving LED as a light-emitting part. Its structure is simple, convenient and practical. The lamp can be directly connected to the high voltage, and the high voltage becomes a low voltage after passing through the step-down circuit and the filtering and rectifying circuit, so as to directly provide power to the LED lamp. The manufacturing cost is low, and it is convenient and practical.

Claims (3)

1, a kind of LED lamp that is applicable to the high voltage illumination comprises electric energy-saving LED lamp, and it is characterized in that: this LED circuit for lamp includes reduction voltage loop and filter rectification loop, and reduction voltage loop connects the filter rectification loop, and the output of filter rectification loop is connected with the LED lamp;

Described reduction voltage loop is composed in parallel by resistance (R1) and electric capacity (C1);

Described filter rectification loop is interconnected into silicon bridge by four unilateral diodes (D1, D2, D3, D4) and forms.

2, LED lamp according to claim 1 is characterized in that: described electric energy-saving LED lamp is made up of one or more.

3, LED lamp according to claim 1 is characterized in that: the resistance (R3, R4) that also is in series with overvoltage current-limiting protection effect in the described LED circuit for lamp.