CN201582756U - Energy-saving LED fluorescent lamp - Google Patents

Abstract

The utility model relates to an energy-conserving LED fluorescent lamp, include: the fluorescent tube, locate the end cap at fluorescent tube both ends, install lamp plate and drive plate in the fluorescent tube, this lamp plate is equipped with several groups LED unit, and each LED unit includes two at least LEDs, parallel connection between the LED in each LED unit, series connection between the several groups LED unit, drive plate electric connection LED. The energy-saving LED fluorescent lamp of the utility model adopts scientific calculation method and reasonably designed circuit, so that the problem that the whole circuit is affected by the abnormity of one LED can not occur; the energy-saving LED fluorescent lamp can achieve the purpose of fully using the luminous angle and luminous intensity of the LEDs by reasonably designing the row center distance and the row center distance among the LEDs, saves energy, and has the advantages of high brightness, low power consumption, long service life and the like.

Description

Energy-saving LED fluorescent lamp

technical field

The utility model relates to the technical field of lighting lamps, in particular to an LED lighting lamp.

Background technique

LED (Light Emitting Diode) uses the change of the energy band level when the electron hole in the semiconductor material is combined to display the energy released by it with light. It has small size, long life, low driving voltage, low power consumption, and responsive With the advantages of fast speed and good electrical resistance, it is a commonly used component in various application equipment in daily life.

At present, there are various forms of lamps and lanterns on the market, and lamps with high-power LEDs as light sources have also appeared. Compared with traditional incandescent lamps and fluorescent lamps, they have excellent characteristics such as low power consumption, long life, energy saving and environmental protection, so in recent years It has been widely promoted and applied at home and abroad. However, the current LEDs on the market consume a lot of energy, and high-power LEDs generate a lot of heat during operation. If the heat cannot be dissipated well, it will easily lead to a decrease in the brightness of the LED and even damage the LED in severe cases. . Furthermore, because of the unreasonable arrangement of the bulbs of the existing LEDs, the irradiation angle is limited to a certain extent, and as long as there is a problem with one LED bulb, it will affect the entire circuit, and even cause the entire LED to fail to work normally.

Utility model content

The purpose of this utility model is to provide an energy-saving LED fluorescent lamp, which not only has low power consumption and long service life, but also has a scientific and reasonable arrangement among several LEDs, and can make full use of the luminous angle and luminous intensity of the LEDs.

In order to achieve the above purpose, the utility model provides an energy-saving LED fluorescent lamp, comprising: a lamp tube, plugs arranged at both ends of the lamp tube, a lamp board and a driving board installed in the lamp tube, the lamp board is provided with an array of LED units, Each LED unit includes at least two LEDs, the LEDs in each LED unit are connected in parallel, the groups of LED units are connected in series, and the driving board is electrically connected to the LEDs.

The LED unit includes three LEDs, which are evenly distributed in a triangular shape.

The lamp tube includes a body with a side opening and a diffuser mounted on the corresponding opening of the body.

The body is made of aluminum, and the light diffuser is made of PC.

The lamp board adopts a single-layer printed circuit board with a width of 18-23 mm, and the surface of the lamp board is provided with a coating made of white solder resist material.

The plurality of LED units are arranged at intervals, the LEDs at the same position between each LED unit form a row, and the LEDs arranged perpendicularly to the row in the LED unit form a column respectively, and the interval is arranged between two LEDs on the same row The center-to-center distance is 6-9mm.

The distance between the centers of the LEDs in two adjacent rows is 6-10mm.

The column center distance between an LED of one row of LEDs and an adjacent LED of another row of LEDs adjacent to the LEDs arranged at intervals between two adjacent rows is 3.5-4.5 mm.

The distance between one LED of one row of LEDs in two adjacent rows of LEDs is 7.2mm from the column center distance of an adjacent LED adjacent to another row of LEDs, and the column center distance of another adjacent LED adjacent to another row of LEDs is 7.2 mm. The center distance is 7.2mm.

Beneficial effects of the present utility model: the energy-saving LED fluorescent lamp of the present utility model adopts scientific calculation method and rational design circuit, so that the energy-saving LED fluorescent lamp will not have the problem of affecting the whole circuit due to abnormality of one LED; The column center distance and row center distance between several LEDs are reasonably designed to make full use of the LED's luminous angle and luminous intensity, which not only saves energy, but also has high brightness, low power consumption, and long service life. Long and other advantages.

In order to further understand the features and technical contents of the present utility model, please refer to the following detailed description and accompanying drawings of the present utility model. However, the accompanying drawings are for reference and illustration only, and are not intended to limit the present utility model.

Description of drawings

The technical solution and other beneficial effects of the utility model will be apparent through the detailed description of the specific implementation of the utility model in conjunction with the accompanying drawings.

Fig. 1 is the structural representation of an embodiment of the utility model energy-saving LED fluorescent lamp;

Fig. 2 is a circuit connection diagram of an embodiment of the energy-saving LED fluorescent lamp of the present invention.

Detailed ways

For further elaborating the technical means and effects that the utility model takes to achieve the intended purpose, please refer to the following detailed description and accompanying drawings of the utility model. It is believed that the purpose, features and characteristics of the utility model should be able to be obtained in-depth and For specific understanding, however, the accompanying drawings are only for reference and description, and are not intended to limit the present utility model.

As shown in Figure 1, it is a schematic structural diagram of an embodiment of the energy-saving LED fluorescent lamp of the present invention. The energy-saving LED fluorescent lamp includes: a lamp tube 2, plugs 4 arranged at both ends of the lamp tube 2, and a lamp board installed in the lamp tube 2 6.

The lamp tube 2 is made of aluminum material, which includes a body 22 with a side opening and a light diffuser 24 installed on the corresponding opening position of the body 22. In this embodiment, the lamp tube 2 is made of aluminum material, and its surface Oxidized silver, this kind of aluminum tube effectively solves the problem of heat dissipation of energy-saving LED fluorescent lamps, and prolongs the service life of LEDs to a certain extent. The diffuser cover 24 is made of polycarbonate (PC), which is an amorphous thermoplastic material with good mechanical properties such as heat resistance, impact resistance, flame retardancy, and normal operating temperature. Furthermore, the lamp tube 2 is also provided with a driving board 26, which is a constant current driving board.

In the utility model, the plug 4 can play a good positioning effect on the lamp tube 2 and the lamp panel 6 inside the lamp tube 2. The plug 4 is made of plastic materials. In this embodiment, the plug 4 is The ∮26 PC white fireproof material has two copper pins, and the two copper lamp pins use solder-free connectors at the connection.

The lamp board 6 adopts a single-layer printed circuit board with a width of 18-23mm, and the surface of the lamp board 6 is provided with a coating made of white solder resist material. The lamp board 6 is provided with arrays of LED units, each LED unit includes at least two LEDs 62 , the LEDs 62 in each LED unit are connected in parallel, the arrays of LED units are connected in series, and the driving board 26 is electrically connected to the LEDs 62 . In this embodiment, the LED unit includes three LEDs, which are evenly distributed in a triangle. The LEDs 62 of the several LED units are connected in parallel in three ways and then connected in series (as shown in FIG. 2 ). When one LED fails and does not light up, it will not affect the normal work of other LEDs. Among them, several LEDs 62 adopt LEDs with a diameter of 5mm, and the several LEDs 62 are arranged at intervals. The LEDs at the same position between each LED unit form a row, and the LEDs arranged vertically with the row in the LED unit form a column respectively. The center-to-center distance between two LEDs arranged in the same row is 6-9 mm, and the center-to-center distance between LEDs arranged in two adjacent rows is 6-10 mm. As an optional embodiment of the present invention, we prefer that the center-to-center distance between two LEDs arranged in the same row be 7.2 mm, and the center-to-center distance between LEDs arranged in two adjacent rows be 8 mm. Further, the column center distance between an LED of one row of LEDs in two adjacent rows of LEDs and an adjacent LED of another adjacent row of LEDs is 3.5-4.5mm, and the distance between two adjacent rows of LEDs is The column center distance between one LED in one row of LEDs and an adjacent LED adjacent to another row of LEDs is 7.2 mm, and the column center distance between an LED adjacent to another row of LEDs is 7.2 mm. This method of rationally designing the column center distance and row center distance between the LEDs in the same row and between two adjacent rows can make full use of the luminous angle and luminous intensity of the LEDs, making the energy-saving LED fluorescent lamp of the present utility model more efficient. The power factor is greater than 0.85, and the efficiency is greater than 90%. After testing, the utility model energy-saving LED fluorescent lamp 12W can have the same effect as the 40W fluorescent lamp, 9W can have the same effect as the 30W fluorescent lamp, and 6W can have the same effect as the 20W fluorescent lamp, and truly meet the requirements of low power consumption, energy saving and environmental protection.

To sum up, the energy-saving LED fluorescent lamp of the present utility model adopts scientific calculation method and rational design of the circuit, so that the energy-saving LED fluorescent lamp will not have the problem of affecting the entire circuit due to an abnormality of one LED; The column center distance and row center distance between LEDs are reasonably designed to make full use of the light angle and luminous intensity of the LEDs, which not only saves energy, but also has high brightness, low power consumption, and long service life. advantage.

The above are only preferred embodiments of the present utility model, and for those of ordinary skill in the art, other various corresponding changes and deformations can be made according to the technical scheme and technical concept of this aspect, and all these changes and All deformations should belong to the protection scope of the claims of the utility model.

Claims (9)

1. A kind of energy-saving LED fluorescent lamp, it is characterized in that, comprises: lamp tube, be located at the plug of lamp tube two ends, be installed in the lamp board and drive board in lamp tube, this lamp board is provided with array LED unit, each LED The unit includes at least two LEDs, the LEDs in each LED unit are connected in parallel, the groups of LED units are connected in series, and the driving board is electrically connected to the LEDs. 2. The energy-saving LED fluorescent lamp according to claim 1, wherein the LED unit comprises three LEDs, which are evenly distributed in a triangular shape. 3 . The energy-saving LED fluorescent lamp according to claim 1 , wherein the lamp tube comprises a body with a side opening and a diffuser installed at a position corresponding to the opening of the body. 4 . 4. The energy-saving LED fluorescent lamp according to claim 3, wherein the main body is made of aluminum, and the diffuser is made of PC. 5. The energy-saving LED fluorescent lamp according to claim 1, wherein the lamp board adopts a single-layer printed circuit board with a width of 18-23mm, and the surface of the lamp board is provided with white solder resist material coating. formed coating. 6. The energy-saving LED fluorescent lamp according to claim 2, wherein the plurality of LED units are arranged at intervals, the LEDs at the same position between each LED unit form a row, and the LED units arranged vertically to the row The LEDs respectively form a row, and the center-to-center distance between two LEDs arranged in the same row is 6-9 mm. 7. The energy-saving LED fluorescent lamp according to claim 6, characterized in that, the center-to-center distance between the LEDs arranged in two adjacent rows is 6-10 mm. 8. The energy-saving LED fluorescent lamp according to claim 7, characterized in that, the column center distance between an LED of one row of LEDs and an adjacent LED of another adjacent row of LEDs among the LEDs arranged at intervals between two adjacent rows is 3.5 ~ 4.5mm. 9. The energy-saving LED fluorescent lamp according to claim 7, characterized in that, the column center distance between an LED of one row of LEDs and an adjacent LED of another adjacent row of LEDs among the LEDs arranged at intervals between two adjacent rows is 7.2mm, and the column center distance of another adjacent LED adjacent to another row of LEDs is 7.2mm.

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