CN206072808U - A kind of LED decorative lamp - Google Patents

Abstract

The utility model discloses a LED decorative lamp, including lamp holder and bulb shell, the lamp holder is connected with the external power supply electricity, and bulb shell forms the space that holds the lamp cluster, and the inside driver that is provided with of lamp holder, bulb shell have laid an at least lamp cluster inside, and every lamp cluster all is connected with the driver electricity, and it has at least one LED lamp to establish ties on every lamp cluster. The input end of a bridge rectifier of the driver is respectively connected with a zero line and a live line of alternating current, the output tail end of the bridge rectifier is sequentially connected with a transformer and a constant current driving chip in series, and the output end of the bridge rectifier is connected with a filter capacitor in parallel; the drain electrode of the constant current driving chip is electrically connected with a conjugate coil of the transformer, the power supply voltage end of the circuit is connected with a capacitor in series, and the chip selection signal end of the circuit is connected with a resistor in series; the transformer provides required voltage for the LED lamp, and a conjugate coil of the transformer is connected in series with a diode and then connected in parallel with a capacitor and a resistor in sequence. The LED decorative lamp can meet the light requirements of different themes or places and has higher use safety.

Description

A kind of LED decorative lamp

technical field

The utility model belongs to the technical field of decorative lamps, and in particular relates to an LED decorative lamp, which is applied to lighting decoration of different themes or places.

Background technique

Lamps are an indispensable item in contemporary people's daily life. With the continuous improvement of people's living standards, the role of lamps is not only limited to lighting, but also more and more important for decoration. As a new type of high-efficiency solid-state light source, LED has the advantages of energy saving, environmental protection and long service life, and has been widely used in the decorative lighting industry.

The light emission of the existing LED decorative lamp is relatively simple, and the lamp head only emits light in one direction, so the decorativeness is greatly reduced, and it does not meet the aesthetic standards of contemporary people.

On the other hand, in the existing LED decorative lights, the alternating current of the city network is bridge-type rectified to form a pulse voltage, which directly supplies power to the LED light string. However, continuous pulse voltage will cause the brightness of the LED chip to attenuate and affect the service life of the LED light string. At the same time, in this mode of use, due to reasons such as power load on-off, capacitor input, relay-like inductive load cut-off, etc., interference pulses and transient noises will be generated, resulting in environmental pollution such as electromagnetic radiation and battery interference: it will also cause unfavorable Regular positive and negative pulses or oscillating pulses will cause sharp increases in peak voltage and peak current, which will damage the LED light string and pose a safety hazard.

Therefore, in order to improve the decorative effect of LED decorative lights, so that they can be applied to different themes or places; at the same time, it is also necessary to optimize the circuit of LED decorative lights, prolong the service life of LED light strings, and ensure the safety of LED decorative lights.

Utility model content

The technical problem to be solved in this utility model: the decorative function of the existing LED decorative lights is relatively single, the compliance is low, and it is difficult to meet the lighting requirements of specific themes or places; at the same time, the service life of the existing LED decorative lights has not reached the ideal effect, and its safety needs to be further improved.

The solution to the above-mentioned technical problems: the utility model provides an LED decorative lamp with novel conception, reasonable structure and good practicability. Specifically, an LED decorative lamp includes a lamp base and a bulb housing, the lamp base is electrically connected to an external power supply, and the bulb housing forms a space for accommodating a string of lights. A driver is arranged inside the lamp holder, at least one string of lights is arranged inside the bulb shell, each string of lights is electrically connected to the driver, and at least one LED lamp is connected in series on each string of lights.

As a preferred embodiment, the bulb shell is transparent, or has been frosted, whitened inside, or gold-sprayed.

As a preferred implementation manner, the LED lights on the light string can generate light of different colors and RGB color change.

As a preferred embodiment, the driver includes a bridge rectifier, a constant current drive chip, and a transformer; the bridge rectifier is respectively connected to the neutral line and live line of the alternating current, and the output terminal of the bridge rectifier is connected in series with the transformer and the constant current drive chip in sequence , the output terminal of the bridge rectifier is connected in parallel with a filter capacitor;

The drain of the constant current drive chip is electrically connected to a conjugate coil of the transformer, a capacitor is connected in series with the circuit supply voltage terminal of the constant current drive chip, and a resistor is connected in series with the chip selection signal terminal of the constant current drive chip;

The transformer provides the required voltage for the LED lamp. After a conjugate coil of the transformer is connected in series with a diode, it is sequentially connected in parallel with a capacitor and a resistor.

As a preferred implementation manner, the model of the bridge rectifier is MB6S.

As a preferred embodiment, the model of the constant current driver chip is BP9116A.

Compared with the existing LED decorative lights, the utility model has at least the following beneficial effects or advantages:

The LED decorative lamp described in the utility model includes a lamp holder and a bulb shell. Bulb shells are transparent, frosted, white inside, gold sprayed, etc., can be made into different colors, and can be set in different shapes. The light bulb shell forms a space for receiving the light strings. There is at least one light string inside the light bulb shell. Each light string is electrically connected to the driver. Each light string is connected in series with at least one LED light. The LED lights on the light string can produce different color light. With such a setting, the lighting can meet different specific needs and be suitable for different themes or places.

The lamp head is electrically connected to an external power supply, and a driver is arranged inside the lamp head. The driver includes a bridge rectifier, a constant current driver chip, and a transformer. The bridge rectifier is respectively connected to the neutral wire and live wire of the alternating current, the output terminal of the bridge rectifier is connected in series with the transformer and the constant current drive chip in sequence, and the output terminal of the bridge rectifier is connected in parallel with a filter capacitor. The drain of the constant current drive chip is electrically connected to a conjugate coil of the transformer, a capacitor is connected in series with the circuit power supply voltage end of the constant current drive chip, and a resistor is connected in series with the chip selection signal end of the constant current drive chip. The transformer provides the required voltage for the LED lamp. After a conjugate coil of the transformer is connected in series with a diode, it is sequentially connected in parallel with a capacitor and a resistor. Through the setting of the driver, the circuit of the LED decorative lamp is optimized, the service life of the LED lamp string is prolonged, and the use safety of the LED decorative lamp is ensured.

The LED decorative lamp described in the utility model is more energy-saving and environment-friendly, and the decoration effect of the LED starry sky is fuller and more shining. The LED decorative light has a wide range of applications, and can be widely used in holiday decorative lighting (such as Christmas, Halloween, Easter decorative lighting), home decorative lighting, and commercial decorative lighting. The LED lights connected in series can produce red, yellow, blue, green, white, pink, purple and other colors of light, as well as four-color and colorful lights to meet different specific needs.

Description of drawings

Fig. 1 is a schematic diagram of the appearance of the LED decorative lamp according to an embodiment.

Fig. 2 is a schematic diagram of the internal structure of the LED decorative lamp according to an embodiment.

Fig. 3 is a schematic diagram of the driver circuit principle of the LED decorative lamp according to an embodiment.

Explanation of reference signs: 1. Lamp holder; 2. Bulb shell; 3. Light string; 4. LED lamp; 5. Driver.

detailed description

The utility model will be described in further detail below in conjunction with the accompanying drawings and embodiments.

For the convenience of description, the "left", "right", "upper" and "lower" referred to hereinafter are consistent with the directions of "left", "right", "upper" and "lower" of the drawings themselves. It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other.

This embodiment provides an LED decorative lamp, as shown in FIG. 1 and FIG. 2 , its structure includes a lamp base 1 and a bulb housing 2 . Bulb shell 2 has transparency, frosting, inner white, spray gold etc., can be made into different colors, and different profiles can be set. The light bulb housing 2 shown in Fig. 1 and Fig. 2 is similar to a common light bulb and has different shapes. In this embodiment, the shape of the bulb housing 2 is not particularly limited, and it can have different shapes according to different application places. The light bulb housing 2 encloses a space for accommodating the light string 3 , that is, the light string 3 fills the inside of the light bulb housing 2 . As for the filling method of the light string 3 , this embodiment does not specifically limit it, and random or regular filling is possible.

Inside the bulb housing 2, at least one light string 3 is filled, and the number of light strings 3 to be filled can be selected according to needs. Each light string 3 is electrically connected to the lamp holder 1, and each light string 3 is connected in series with at least one LED lamp 4, and the LED lights 4 on the light string 3 can generate lights of different colors. Regarding the electrical connection method of the LED lamp 4 on the light string 3 , reference may be made to the prior art. Such settings can make the lights meet different specific needs. For example, LED lights 4 can emit red, yellow, blue, green, white, pink, purple and other colors of light, as well as four-color and colorful lights to meet different specific needs. , for different themes or venues.

A driver 5 is provided inside the lamp holder 1 , and the driver 5 is electrically connected to each light string 3 . An external power source, such as AC power for domestic use, provides power to the LED lights 4 on each light string 3 through the driver 5 . Refer to FIG. 3 for the circuit components of the driver 5 and the connection manner of each component. The driver 5 mainly includes a bridge rectifier, a constant current driver chip, and a transformer. Preferably, the model of the bridge rectifier is MB6S. The model of the constant current driver chip is BP9116A.

FIG. 3 shows a circuit connection diagram of a driver 5 . The MB6S bridge rectifier is connected to the neutral line ACN and the live line ACL of the alternating current respectively. The output terminal of the MB6S bridge rectifier is connected in series with the transformer T1 and the BP9116A constant current driver chip. The drain DRAIN of the BP9116A constant current driver chip is electrically connected to a conjugate coil of the transformer T1. The circuit power supply voltage terminal VCC of the BP9116A constant current driver chip is connected in series with a capacitor C1, and the chip select signal terminal CS of the BP9116A constant current driver chip is connected in series with a resistor R1. The transformer T1 provides the required voltage for the LED lamp 4 . After a conjugate coil of the transformer T1 is connected in series with a diode D1, it is sequentially connected in parallel with a capacitor C3 and a resistor R3. The output terminal of the MB6S bridge rectifier is provided with a filter capacitor C2 in parallel. Through the setting of the driver 5, the circuit of the LED decorative lamp is optimized, the service life of the LED lamp string is prolonged, and the use safety of the LED decorative lamp is ensured.

In the description of this specification, descriptions with reference to the terms "embodiment", "example", "specific examples", or "some examples" mean that the specific methods, devices or features described in conjunction with the embodiments or examples are included in this document. In at least one embodiment or example of an embodiment. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example, and the specific features, methods, devices or characteristics described can be appropriately used in any one or more embodiments or examples. way combined. In addition, those skilled in the art can combine and combine different embodiments or examples and features of different embodiments or examples described in this specification without conflicting with each other.

The utility model has been further described above in conjunction with the embodiments, but the utility model is not limited to the above-mentioned embodiment, within the scope of knowledge possessed by those of ordinary skill in the art, various modifications can be made without departing from the purpose of the utility model. kind of change.

Claims (6)

1. a kind of LED decorative lamp, including lamp holder and bulb shell, lamp holder are electrically connected with external power source, and bulb shell is formed and accommodated The space of lamp string, it is characterised in that the lamp holder is internally provided with driver, is laid with least one inside the bulb shell Lamp string, every lamp string are electrically connected with driver, are in series with least one LED on every lamp string.

2. LED decorative lamp according to claim 1, it is characterised in that the bulb shell is transparent, or Jing frosteds, words spoken by an actor from offstage, spray Gold is processed.

3. LED decorative lamp according to claim 1, it is characterised in that the LED on the lamp string can produce different colours Light and RGB discolorations.

4. the LED decorative lamp according to any one of claims 1 to 3, it is characterised in that the driver includes bridge rectifier Device, constant-current driven chip, transformer；The bridge rectifier connects the zero line and live wire of alternating current respectively, bridge rectifier Output end is sequentially connected in series transformer and constant-current driven chip, and the output end of bridge rectifier is arranged in parallel filter capacitor；

The drain electrode of the constant-current driven chip is electrically connected with one associate coil of transformer, the circuit supply voltage of constant-current driven chip One electric capacity of end series connection, one resistance of chip selection signal end series connection of constant-current driven chip；

The transformer provides required voltage for LED, after one associate coil of transformer and a Diode series, electric with one successively Appearance, a resistor coupled in parallel.

5. LED decorative lamp according to claim 4, it is characterised in that model MB6S of the bridge rectifier.

6. LED decorative lamp according to claim 4, it is characterised in that model BP9116A of the constant-current driven chip.