WO2020010576A1

WO2020010576A1 - Light for decorative lighting, light string, and light string display state control method

Info

Publication number: WO2020010576A1
Application number: PCT/CN2018/095450
Authority: WO
Inventors: 曹登明; 郑敏
Original assignee: 曹登明; 郑敏
Priority date: 2018-07-12
Filing date: 2018-07-12
Publication date: 2020-01-16
Also published as: EP3614037A1; EP3614037A4

Abstract

A light (10) for decorative lighting, a light string, and a light string display state control method. The light (10) comprises a light holder (101), a light cover (102), and an LED integrated light source (103). The light cover (102) is connected to the light holder (101) to form a sealed cavity. The LED integrated light source (103) is provided in the cavity, and both ends of the LED integrated light source (103) are electrically connected to the light holder (101) by means of a wire. The LED integrated light source (103) comprises at least one LED light string, and each LED light string comprises at least one LED light. Because a rated power and an operating voltage of each LED are small, a long LED integrated light source (103) in the solution also has a small power and voltage, and in the premise of satisfying the same light effect, is more energy-efficient and more environmentally friendly.

Description

Lamp, lamp string and lamp string display state control method for decorative lighting

Technical field

The present application relates to the field of lighting technology, and in particular, to a lamp, a lamp string, and a method for controlling a display state of a lamp string for decorative lighting.

Background technique

With the development of human society, people have more and more ways to conduct social gatherings. Take the parties in social gatherings as an example. In order to create a party atmosphere, various props required for various parties came into being. Especially at night parties, lighting control is particularly important for the creation of party atmosphere. For this reason, party lights (PRATY LIGHTS) are also more and more widely used.

At present, part of the party lights on the market are traditional incandescent lamps, which have been gradually replaced by LED lights due to potential safety hazards. However, most of the existing LED party lights are high-power high-voltage LED products. The energy consumption caused by party lights is too high, which is not conducive to environmental protection.

Summary of the invention

In view of this, embodiments of the present application provide a lamp, a light string, and a display state control method for decorative lighting, which are used to solve the technical problem that the existing LED party lamp consumes a large amount of energy and is not conducive to environmental protection.

In a first aspect, an embodiment of the present application provides a lamp for decorative lighting. The lamp includes: a lamp cap, a lampshade, and an LED integrated light source;

The lamp cover is connected with the lamp cap to form a sealed cavity;

The LED integrated light source is disposed in the cavity, and two ends of the LED integrated light source are electrically connected to the lamp cap through a wire;

The LED integrated light source includes at least one LED light string, and each LED light string includes at least one LED light.

Optionally, in this embodiment, when the LED integrated light source includes one LED light string, a preset number of LED lights are connected in series to the LED light string.

Optionally, in this embodiment, when the LED integrated light source includes multiple LED light strings, the multiple LED light strings are connected in parallel, and the number of LED lights connected to each LED light string is the same.

Optionally, in this embodiment, the LED integrated light source is a long bar.

Optionally, in this embodiment, the working voltage of the LED integrated light source is 3-36V.

According to a second aspect, an embodiment of the present application further provides a lamp string for decorative lighting. The lamp string includes a power cord, a lamp holder connected in series to the power cord, and fixed on the lamp holder for Decorative lighting

The lamp includes: a lamp holder, a lampshade and an LED integrated light source;

The lamp cover is connected with the lamp cap to form a sealed cavity;

The LED integrated light source includes at least one LED light string, and each LED light string includes at least one LED light;

The lamp holder includes a lamp holder mounting hole for receiving the lamp holder.

Optionally, in this embodiment, the LED integrated light source is a long bar.

Optionally, in this embodiment, the lamp holder is detachably received in the mounting hole of the lamp holder.

Optionally, in this embodiment, the lamp cap is provided with a thread, the side wall of the lamp socket mounting hole is provided with a thread, and the lamp cap is detachably connected to the lamp socket mounting hole through the thread.

Optionally, in this embodiment, the input voltage of the power line is 3-36V.

Optionally, in this embodiment, one end of the power cord is connected to an adapter, and the adapter includes an electric signal conversion circuit;

The electrical signal conversion circuit includes an electrically connected rectification unit, a filtering unit, and a voltage stabilization unit;

The rectifying unit is electrically connected to a power line, and is configured to rectify an alternating current signal provided in the power line into a unidirectional electrical signal;

The filtering unit is connected to the output terminal of the rectifying unit, and is configured to filter out an AC component in a unidirectional electric signal after being rectified by the rectifying unit;

The voltage stabilizing unit is electrically connected to the filtering unit and is configured to perform voltage stabilizing on the filtered electric signal to output the stabilized electric signal for the lamp to work.

Optionally, in this embodiment, the filtering unit is an LC-π-type filter. The LC-π-type filter includes a first capacitor, a second capacitor, and a first inductor. The first capacitor is connected to Between the positive and negative electrodes at the output end of the rectifier unit, the second capacitor is connected in series with the first inductor and is connected in parallel with the first capacitor.

Optionally, in this embodiment, the voltage stabilizing unit includes a transformer, a positive input terminal of the primary side of the transformer is connected between the first inductor and the second capacitor, and a negative electrode of the primary side of the transformer The input end is connected to a feedback network that uses the output voltage of the secondary side of the transformer as an input. The positive output end of the secondary side of the transformer passes through a first diode and serves as the positive output end of the electrical signal conversion circuit. When the negative electrode of the electric circuit is grounded, it is used as the negative output terminal of the electrical signal conversion circuit.

In a third aspect, an embodiment of the present application further provides a method for controlling a light string display state, which is applied to the light string for decorative lighting described in the second aspect,

Adjust the input electrical signal;

Converting the adjusted electric signal into a direct current electric signal to power the lamps in the lamp string;

The lamp is displayed according to the converted DC signal.

In this embodiment, the display of the lamp according to the converted DC signal includes:

When the magnitude of the direct current signal changes, the lamp enters a dimming state according to the direct current signal;

When the magnitude of the direct current signal does not change, the lamp enters a constant light state according to the direct current signal;

When the direct current signal is a pulse signal, the lamp enters a blinking state according to the direct current signal.

Compared with the prior art, the embodiments of the present application have the following beneficial effects:

An embodiment of the present application provides a lamp, a lamp string and a lamp string display state control method for decorative lighting. The lamp includes a lamp cap, a lamp cover and an LED integrated light source; the lamp cap is connected to the lamp cap to form a sealed cavity; The LED integrated light source is disposed in the cavity, and two ends of the LED integrated light source are electrically connected to the lamp cap through a wire; the LED integrated light source includes at least one LED light string, and each LED light string includes at least One LED light. Because the rated power and working voltage of each LED are small, the power and voltage of the long-shaped LED integrated light source in the above solution are also relatively small. On the premise of satisfying the same lighting effect, it is more energy-efficient and more environmentally friendly than the existing technology.

BRIEF DESCRIPTION OF THE DRAWINGS

In order to explain the technical solutions of the embodiments of the present application more clearly, the drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of the present application, so It is regarded as a limitation on the scope. For those of ordinary skill in the art, other related drawings can be obtained according to these drawings without paying creative labor.

1 is a schematic structural diagram of a decorative lighting lamp according to an embodiment of the present application;

2 is a schematic structural diagram of an LED integrated light source according to an embodiment of the present application;

3 is a schematic structural diagram of another LED integrated light source according to an embodiment of the present application;

4 is a schematic structural diagram of a decorative lighting light string according to an embodiment of the present application;

5 is a schematic diagram of another result of a decorative lighting light string provided by an embodiment of the present application;

6 is a schematic diagram of a possible electrical signal conversion circuit according to an embodiment of the present application;

FIG. 7 is a schematic flowchart of a method for controlling a display state of a light string according to an embodiment of the present application.

detailed description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, but not all of the embodiments. The components of embodiments of the present application, which are generally described and illustrated in the drawings herein, may be arranged and designed in a variety of different configurations.

Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed application, but merely represents selected embodiments of the present application. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without making creative efforts fall within the protection scope of the present application.

It should be noted that similar reference numerals and letters indicate similar items in the following drawings, so once an item is defined in one drawing, it need not be further defined and explained in subsequent drawings. Meanwhile, in the description of the present application, the terms “first”, “second”, and the like are only used to distinguish descriptions, and cannot be understood to indicate or imply relative importance.

Please refer to FIG. 1, which is a schematic structural diagram of a lamp 10 for decorative lighting according to an embodiment of the present application. The lamp 10 includes a lamp head 101, a lamp cover 102, and an LED integrated light source 103.

The lamp cover 102 is connected to the lamp cap 101 to form a sealed cavity. In this embodiment, the lamp cap 101 is made of a metal material, and the lamp cover 102 is made of a material with better light transmission performance (for example, glass). The connection method of the lamp cover 102 and the lamp head 101 may be adhesive or other fixed connection methods, and the specific connection method is not limited here, as long as the lamp cover 102 and the lamp head 101 can be connected to form an integrated LED light source. The cavity of 103 is sufficient.

The LED integrated light source 103 is disposed in the cavity, and two ends of the LED integrated light source 103 are electrically connected to the base 101 through metal wires. In this embodiment, the LED integrated light source 103 may be of any shape. Preferably, in this embodiment, the shape of the LED integrated light source is a long shape.

In this embodiment, the LED integrated light source 103 is obtained by integrating at least one LED light string, wherein each LED light string includes at least one LED light.

In the first implementation manner of this embodiment, referring to FIG. 2, when the LED integrated light source 103 includes an LED light string, a preset number of LED lights are connected in series to the LED light string. Taking 12 LED lamps connected in series in FIG. 2 as an example, assuming that the operating voltage of each LED lamp is 3V, the operating voltage of the entire LED integrated light source 103 is 36V. Optionally, the user can select the number of LED lamps in series according to his own needs. FIG. 2 is only an example for explaining the solution, and should not be construed as limiting the solution.

In a second implementation manner of this embodiment, please refer to FIG. 3, when the LED integrated light source 103 includes multiple LED light strings, the multiple LED light strings are connected in parallel, and the LED lights connected to each LED light string are The same number. Taking the LED string connection method in Figure 3 as an example, a total of three LED strings are included, and each LED string is connected in series with the same number (4) of LED lamps. Assuming that the operating voltage of each LED lamp is 3V, the entire The working voltage of the LED integrated light source is 12V. Optionally, the user can select the number of LED lights of each LED light string according to his own needs, as long as the number of LED lights of each LED light string is the same. In this embodiment, the operating voltage of the LED integrated light source 103 is a low voltage. Specifically, the operating voltage of the LED integrated light source 103 is 3-36V.

Please refer to FIG. 4 and FIG. 5, an embodiment of the present application further provides a lamp string 1 for decorative lighting. The lamp string 1 includes a power cord 30, a lamp holder 20 connected in series to the power cord 30, and a lamp 10 fixed on the lamp holder 20 for decorative lighting. In this embodiment, the number of the lamp holders 20 connected in series to the power cord 30 is at least one, and the number of the lamps 10 corresponds to the number of the lamp holders 20. The distance between adjacent lamp holders 20 can be set to 25-100cm.

In this embodiment, the structure of the lamp 10 has been described above, and will not be described again. The lamp holder 20 includes a lamp holder mounting hole for receiving the lamp holder 101. The lamp holder 101 can be detachably installed in the lamp holder mounting hole. Alternatively, the lamp holder 101 can be detachably installed in the lamp holder mounting hole. The lamp holder 101 can be detachably installed through threads. Specifically, the lamp holder 101 is provided with threads and Matching threads are set on the side wall of the mounting hole of the lamp holder. Of course, it can be understood that the above only provides an embodiment in which the lamp holder 101 is detachably connected to the lamp holder mounting hole. In this embodiment, the lamp holder 101 may be detachably connected to the lamp holder mounting hole in another manner or structure. .

In this embodiment, one end of the power cord is connected to the adapter 40, the minimum power of the LED integrated light source may be 0.3W, and the maximum power of the LED integrated light source is equal to the maximum rated power of the powered adapter 40. The adapter 40 outputs a constant voltage, and the voltage range output by the adapter 40 is 3-36V. According to the number of the lights 10 connected in the power line 30 or the connection method, the adapter 40 provides an adapted current for the lights 10 to work.

In this embodiment, the lamps 10 connected to the power line 30 may include LED integrated light sources 103 of the same composition, or may include LED integrated light sources 103 of different compositions. Among them, the LED integrated light source 103 having the same configuration refers to the LED integrated light source 103 having the same number of LED string lights and the connection relationship, and the LED integrated light source 103 having different configurations refers to at least one of the number or the connection relationship of the LED string lights being different. LED integrated light source 103. That is, if the lamps 10 corresponding to the LED integrated light sources 103 with different configurations are named as different models, in this embodiment, lamps of different models can be connected to the lamp strings.

In this embodiment, the adapter 40 includes an electric signal conversion circuit. Please refer to FIG. 6, which is a schematic diagram of a possible electric signal conversion circuit provided by an embodiment of the present application.

The electric signal conversion circuit is used to convert the electric signal into a direct current electric signal to power the lamp 10. Please refer to FIG. 6 again, the electrical signal conversion circuit includes a rectifier unit 411, a filter unit 412, and a voltage stabilization unit 413 which are electrically connected.

The rectifying unit 411 is electrically connected to the power supply line 30 and is configured to rectify an alternating current signal provided in the power supply line 30 into a unidirectional electrical signal.

The filtering unit 412 is connected to the output terminal of the rectifying unit 411 and is configured to filter the AC component in the electric signal in one direction after rectified by the rectifying unit 411.

The voltage stabilizing unit 413 is electrically connected to the filtering unit 412 and is configured to perform voltage stabilizing on the filtered electric signal to output the stabilized electric signal for the lamp 10 to work.

In this embodiment, the filtering unit 412 is an LC-π filter. The filtering unit 412 includes a first capacitor C1, a second capacitor C2, a first inductor L1, a second inductor L2, a resistor R10, and a resistor R11. The first capacitor C1 is connected between the positive and negative electrodes of the output terminal of the rectifier unit 211. The first inductor L1, the second capacitor C2, and the second inductor L2 are connected in series and connected to both ends of the first capacitor C1. The resistor R10 is connected in parallel with the first inductor L1, and the resistor R11 is connected in parallel with the second inductor L2. The second inductor L2, the resistor R10, and the resistor R11 are optional components. In this embodiment, the second inductor L2, the resistor R10, and the resistor R11 can be omitted.

In this embodiment, the voltage stabilizing unit 413 includes a transformer T1. The positive input terminal of the primary side of the transformer T1 is connected between the first inductor L1 and the second capacitor C2. The negative input terminal of the primary side of the transformer is connected to the feedback network using the output voltage of the secondary side of the transformer as an input. The positive output terminal of the secondary side of the transformer passes the diode D1 as the positive output terminal of the electrical signal conversion circuit. After being grounded, the negative output terminal is used as the negative output terminal of the electrical signal conversion circuit.

In this embodiment, optionally, in the feedback network, the positive output terminal of the secondary side of the transformer T1 is connected to the positive pole of the diode D2, the negative pole of the diode D2 is connected to the first pin of U1 through the resistor R12, and the transformer T1 has an edge. The negative output is grounded. One end of the resistor R2 is connected between the diode D2 and the resistor R12, and the other end of the resistor R2 is grounded via the resistor R3. The second pin of U1 is connected between resistor R2 and resistor R3, and capacitor C7 is connected in parallel with resistor R3. The negative electrode of the capacitor C3 is grounded, and the positive electrode of the capacitor C3 is connected between the first inductor L1 and the positive electrode input terminal of the primary side of the transformer T1 via a resistor R5 and a resistor R4. Resistor R7, capacitor C4, and diode D3 are connected in series between the two pole input terminals of the primary side of transformer T1. Resistor R6 is connected in parallel with capacitor C4 and resistor R7. The positive input terminal of the primary side of the transformer T1 is grounded via the capacitor CY1. The fifth and sixth pins of U1 are connected to the negative input terminal of the primary side of transformer T1, where the first pin of U1 is the enable terminal, the second pin of U1 is the input terminal, and the fifth and sixth pins of U1 The pin is the output (control). By feeding the voltage of the secondary side of the transformer T1 to the negative input terminal of the primary side of the transformer T1, a voltage stabilization function is achieved. In this embodiment, the resistor R12, the resistor R7, and the capacitor C7 are optional devices, and may be omitted in other embodiments.

A capacitor C5 and a resistor R9 are connected between the diode D1 and the positive output terminal. The positive electrode of the capacitor C5 is connected between the negative electrode of the diode D1 and the positive output terminal. The negative electrode of the capacitor C5 is connected to the negative output terminal of the secondary side of the transformer T1 and an electrical signal. Between the negative output terminals of the conversion circuit, a resistor R9 and a capacitor C5 are connected in parallel.

In this embodiment, the adapter 40 converts the electric signal into a direct current electric signal and supplies power to the lamp 10 through the power line 30.

Referring to FIG. 7, an embodiment of the present application further provides a display state control method. The display state control method is applied to the lamp string for decoration lighting described above. The method includes the following steps:

In step S710, the electrical signal in the power line 30 is adjusted.

The electrical signal in the power line 30 is adjusted by changing the electrical signal input in the adapter 40. The way to adjust the electric signal in the adapter 40 may be automatic control by software, and the way to control the electric signal may be to change the size of the electric signal, or change the waveform shape of the electric signal.

In step S720, the adjusted electric signal is converted into a direct current electric signal to power the lamps in the lamp string 1.

The adapter 40 is used to convert the electric signal in the power line 30 into a direct current signal. As the electric signal in the power line is changed, the direct current signal obtained after conversion through the adapter 40 also changes accordingly. The converted direct current signal is provided to the lamp. 10, make the lamp 10 work.

In step S730, the lamp 10 displays the converted DC signal.

In this embodiment, the lamp 10 changes the state of the lamp according to different direct current signals, and the specific changes include:

When the magnitude of the direct current signal changes, the lamp 10 enters a dimming state according to the direct current signal;

When the magnitude of the direct current signal does not change, the lamp 10 enters a constant light state according to the direct current signal;

When the direct current signal is a pulse signal, the lamp 10 enters a blinking state according to the direct current signal.

Of course, the above method is just an example of the change of the display state of the lamp by the changed electrical signal in this embodiment. In other embodiments of the present application, the lamp may have other display states, which brings different display experiences to the user and creates different Atmosphere.

An embodiment of the present application provides a lamp, a lamp string and a lamp string display state control method for decorative lighting. The lamp includes a lamp cap, a lamp cover and an LED integrated light source; the lamp cap is connected to the lamp cap to form a sealed cavity; The LED integrated light source is disposed in the cavity, and two ends of the LED integrated light source are electrically connected to the lamp cap through a wire; the LED integrated light source includes at least one LED light string, and each LED light string includes at least One LED light. Because the rated power and working voltage of each LED are small, the power and voltage of the long-shaped LED integrated light source in the above solution are also relatively small. On the premise of satisfying the same lighting effect, it is more energy-efficient and more environmentally friendly than the existing technology. At the same time, the display status of the light string can be changed by changing the electrical signal, in order to provide different displays and improve the user experience.

The above description is only a preferred embodiment of the present application, and is not intended to limit the present application. For those skilled in the art, this application may have various modifications and changes. Any modification, equivalent replacement, or improvement made within the spirit and principle of this application shall be included in the protection scope of this application.

Industrial applicability

An embodiment of the present application provides a lamp, a light string, and a light string display state control method for decorative lighting, which can provide low-power, environmentally-friendly decorative lighting, and provide different light display states according to a changed electrical signal to improve users Experience.

Claims

A lamp for decorative lighting, characterized in that the lamp includes: a lamp holder, a lamp cover and an LED integrated light source;

The lamp cover is connected with the lamp cap to form a sealed cavity;

The LED integrated light source is disposed in the cavity, and two ends of the LED integrated light source are electrically connected to the lamp cap through a wire;

The LED integrated light source includes at least one LED light string, and each LED light string includes at least one LED light.
The lamp for decorative lighting according to claim 1, wherein when the LED integrated light source includes one LED string, a preset number of LED lamps are connected in series to the LED string.
The lamp for decorative lighting according to claim 1, wherein when the LED integrated light source includes a plurality of LED light strings, the plurality of LED light strings are connected in parallel, and each LED light string is connected to The number of LED lights is the same.
The lamp for decorative lighting according to any one of claims 1 to 3, wherein the LED integrated light source is a long strip.
The lamp for decorative lighting according to any one of claims 1-3, wherein the working voltage of the LED integrated light source is 3-36V.
A lamp string for decorative lighting, characterized in that the lamp string includes a power cord, a lamp holder connected in series to the power cord, and a lamp fixed on the lamp holder for decorative lighting;

The lamp includes: a lamp holder, a lampshade and an LED integrated light source;

The lamp cover is connected with the lamp cap to form a sealed cavity;

The LED integrated light source is disposed in the cavity, and two ends of the LED integrated light source are electrically connected to the lamp cap through a wire;

The LED integrated light source includes at least one LED light string, and each LED light string includes at least one LED light;

The lamp holder includes a lamp holder mounting hole for receiving the lamp holder;

The input voltage of the power line is 3-36V.
The light string according to claim 6, wherein when the LED integrated light source includes one LED light string, a preset number of LED lights are connected in series to the LED light string.
The light string according to claim 6, characterized in that when the LED integrated light source includes a plurality of LED light strings, the plurality of LED light strings are connected in parallel, and the LED lights connected to each LED light string are The same number.
The light string according to claim 6, wherein the LED integrated light source has a long shape.
The lamp string according to claim 6, wherein the lamp holder is detachably received in the mounting hole of the lamp holder.
The lamp string according to claim 6, wherein the lamp cap is provided with a thread, and the side wall of the lamp socket mounting hole is provided with a thread, and the lamp cap is detachable from the lamp socket mounting hole through the thread. connection.
The light string according to any one of claims 6-11, wherein the input voltage of the power line is 3-36V.
The light string according to any one of claims 6-11, wherein one end of the power cord is connected to an adapter, and the adapter includes an electric signal conversion circuit;

The electrical signal conversion circuit includes an electrically connected rectification unit, a filtering unit, and a voltage stabilization unit;

The rectifying unit is electrically connected to a power line, and is configured to rectify an alternating current signal provided in the power line into a unidirectional electrical signal;

The filtering unit is connected to an output terminal of the rectifying unit, and is configured to filter an AC component in a single-direction electrical signal rectified by the rectifying unit;

The voltage stabilizing unit is electrically connected to the filtering unit and is configured to perform voltage stabilizing on the filtered electric signal to output the stabilized electric signal for the lamp to work.
The light string according to claim 13, wherein the filtering unit is an LC-π-type filter, and the LC-π-type filter includes a first capacitor, a second capacitor, and a first inductor, and the first A capacitor is connected between the positive and negative electrodes of the output terminal of the rectifier unit. The second capacitor is connected in series with the first inductor and is connected in parallel with the first capacitor.
The lamp string according to claim 14, wherein the voltage stabilizing unit comprises a transformer, and a positive input terminal of a primary side of the transformer is connected between the first inductor and the second capacitor, and the transformer The negative input terminal of the primary side is connected to the feedback network that uses the output voltage of the secondary side of the transformer as an input. The positive output terminal of the secondary side of the transformer passes the first diode and serves as the positive output end of the electrical signal conversion circuit. After the negative side of the secondary side of the transformer is grounded, it serves as the negative output terminal of the electrical signal conversion circuit.
A display state control method for the light string for decorative lighting according to any one of claims 5-15, characterized in that:

Adjust the input electrical signal;

Converting the adjusted electric signal into a direct current electric signal to power the lamps in the lamp string;

The lamp is displayed according to the converted DC signal.
The display state control method according to claim 16, wherein the display of the lamp according to the converted DC signal comprises:

When the magnitude of the direct current signal changes, the lamp enters a dimming state according to the direct current signal;

When the magnitude of the direct current signal does not change, the lamp enters a constant light state according to the direct current signal;

When the direct current signal is a pulse signal, the lamp enters a blinking state according to the direct current signal.