CN100379319C - Modularized light-emitting diode lighting device - Google Patents

Abstract

The invention is a modular LED lighting device, each single modular LED lighting device comprising: a module block comprising at least one input connection point connectable to a previous modular LED lighting device, the input connection point for receiving ac power; at least one AC power line connected to the input connection point, the AC power line being configured to carry the AC power; at least one output connection point connected to the ac power line, the output connection point being configured to transmit the ac power to a next modular LED lighting device; the LED lighting device comprises a power supply block and a lighting block, wherein the power supply block can be used for transmitting an external power supply to the lighting block after rectifying and transforming the external power supply for the lighting block to work, and the modularized LED lighting device can be connected in series or in parallel according to the requirement of a user on brightness so as to achieve the purpose of modularized connection.

Description

A modular LED lighting device

technical field

The invention relates to an LED lighting device, in particular to a modularized light-emitting diode lighting device.

Background technique

Light Emitting Diode (LED) has the advantages of small size, high efficiency, and long life. Due to the continuous advancement of technology, its photoelectric conversion efficiency has also been continuously improved. It can now be regarded as the most potential lighting source in the future. , is currently actively investing in research and development internationally, and is intended to be an important lighting force for future generations.

With the improvement of the brightness of light-emitting diodes (LEDs), the prelude to the generation of light-emitting diodes (LEDs) lighting has gradually risen. The application of light-emitting diodes (LEDs) in lighting has become more and more extensive. , Light-emitting diodes (LEDs) are gradually being used in the traditional lighting market. Looking at the history of the domestic lighting industry and the market distribution in recent years, most of them focus on the development of lighting products and the application of lighting design.

However, most of the currently known LED lighting devices are designed as lighting devices with a fixed brightness. If the user needs a larger lighting brightness, the known LED lighting device cannot meet the needs of the user, and the conventional LED lighting device, Its components are all consumable designs. When the LED lighting device is damaged, a new LED lighting device must be replaced, and the damaged parts cannot be repaired. This is very uneconomical. If it can be modularized Design, giving users greater flexibility in use, is actually a feasible development direction.

Contents of the invention

The present invention proposes a modular LED lighting device that is convenient for maintenance and can be assembled at will according to needs.

Each single modular LED lighting device of the present invention includes:

A modular block, including at least one input connection point that can be connected to a previous modular LED lighting device, the input connection point is used to receive AC power; at least one AC power line connected to the input connection point, the AC The power line is used to transmit the AC power; at least one output connection point is connected to the AC power line, and the output connection point is used to transmit the AC power to the next modular LED lighting device;

A power supply block, the power supply block is connected to the AC power supply, and the power supply block further includes:

A rectification unit, used to rectify the AC power and transmit it to the output terminal;

A transformation unit, used to transform the AC power and transmit it to the output terminal;

And a lighting block, the lighting block is connected with the power supply block, and the lighting block includes at least one light emitting diode, which is used to emit a light source after receiving the working voltage.

The power block may include a step-down unit, which is connected to the rectifier unit and is used for reducing the DC power and sending it to the output end.

After adopting the above-mentioned structure, when the LED lighting device of some units fails during use, it can be repaired only by replacing the unit module, and it can further utilize its connection characteristics to connect a plurality of modular LED lighting devices, In order to obtain greater lighting brightness.

Description of drawings

Fig. 1 is the first embodiment diagram of the system block of the present invention;

Fig. 2 is the second embodiment diagram of the system block of the present invention;

Fig. 3 is the third embodiment diagram of the system block of the present invention;

Fig. 4 is a schematic diagram of the serial connection of the modules of the present invention;

Fig. 5 is a schematic diagram of parallel connection of modules of the present invention.

Specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.

Detailed ways

The present invention is a modular LED lighting device. The LED lighting device may include a modular connection function, and has multiple implementations under the same purpose of the invention.

As shown in Figure 1, it is the first embodiment of the present invention, which includes a power supply block 10 and a lighting block 20. In order to be applicable to the differences in voltage units of general household electricity in various countries, the power supply block 10 includes : rectification unit 11, voltage transformation unit 12 and step-down unit 13, the load resistance 112 in the rectification unit 11 is connected with the AC power supply AC, and the AC power supply AC is transmitted to the rectification components 111a-d to be rectified into a DC power supply and then transmitted to the transformer Unit 12, the rectifier unit 11 can be a full-wave rectifier or a half-wave rectifier, and the oscillating diode 122, oscillating capacitor 123 and oscillating resistor 124 in the transformer unit 12 form an oscillating circuit to transmit the DC power to the transformer assembly 121 transforms the voltage, and the forward flow diode 125 is used to prevent reverse bias and protect the transformer unit 12. After the DC voltage is transformed, it is sent to the Zener diode 14. This Zener diode 14 can be a Zener diode, and the redundant The DC power is transmitted to the step-down unit 13, in which the photo-coupling transistor 131 and the control resistor 132 have been designed to a specific ratio, and the redundant DC voltage can be calculated and then transmitted to the step-down component 133, while the noise is transmitted by the bypass capacitor 134 To the ground terminal, the step-down component 133 is a low-power off-line switch (Low Power Off-line Switchers), which reduces the voltage of the DC power and then feeds it to the transformation unit 12 to adjust a more accurate working voltage to adapt to Differences in the voltage units of general household electricity in various countries, and finally the working voltage is stabilized by the voltage stabilizing unit 14, and then sent to the lighting block 20, and the load component 201 in the lighting block 20 forms a voltage drop, and then sent to the The LEDs 202a-n then emit light to achieve their lighting function.

Next, the second embodiment of the present invention will be described in detail. Please refer to FIG. Connected with the AC power supply, the transformation unit 12 can be composed of two high-voltage capacitors 126a-b connected in parallel (it can also be completed with one high-voltage capacitor) to form the effect of voltage transformation, and transmit to the rectifier unit 11, and the rectifier components 111a-b of the rectifier unit 11 can rectify the AC power to a DC voltage and then transmit it to the lighting block 20, while the filter capacitor 113 is used to filter noise, and the rectifier unit 11 can be a full-wave A rectifier or a half-wave rectifier, and the lighting block 20 is provided with a load component 201 to form a voltage drop, and then transmit the operating voltage to the LEDs 202a-n to emit a light source.

Next, a detailed description will be given on the third embodiment of the present invention. Please refer to FIG. 3, the third embodiment of the present invention, wherein the power supply block 10 may include: a transformer unit 12 and a rectifier unit 11, wherein the transformer unit 12 is connected with the alternating current power source AC, and this transformation unit 12 can be made up of a transformation component 121, is used for transforming the alternating current power supply AC into an alternating current working voltage, and transmits to the rectification unit 11, and the rectification component 111a of the rectification unit 11 -d can rectify the AC power to a DC voltage and send it to the lighting block 20, while the filter capacitor 113 is used to filter noise, the rectifying unit 11 can be a full-wave rectifier or a half-wave rectifier, and in the lighting block 20 A load component 201 is provided to form a voltage drop, and then the operating voltage is transmitted to the LEDs 202a-n to emit a light source.

Finally, a detailed description of the module connection method of the present invention is given. Please refer to FIG. 4, which is a schematic diagram of the module series connection of the present invention, wherein the first modular LED lighting device 40 and the second modular LED lighting device 50 include : AC power line 30, two input connection points and two output connection points, and these four connection points are symmetrically arranged at the endpoints of the two AC power lines 30, forming a module block and used for connection.

Wherein the first modular LED lighting device 40 uses the first input connection point 401 and the first output connection point 403 to receive the AC power supply AC, in addition to transmitting the AC power supply AC to the power supply block 10 and the lighting block 20 to work, It can also be transmitted to the second input connection point 402 and the second output connection point 404 through the AC power line 30, and connected to the third input connection point 501 and the first output connection point 503 of the second modular LED lighting device 50, A series connection is formed, which is used for the second modular LED lighting device 50 to work, and can also be transmitted to the third input connection point 502 and the fourth output connection point 504 through the AC power line 30 for more Modular LED lighting device connection.

In addition to the above-mentioned serial connection method, the present invention also provides a parallel connection method to achieve the purpose of modular connection. Please refer to FIG. 5 , which is a schematic diagram of the parallel connection of modules in the present invention. The internal blocks of the first modular LED lighting device 40 and the second modular LED lighting device 50 are not different from those in FIG. When connecting modularized LED lighting devices, in order to ensure a smooth circuit of the AC power supply AC, the AC power supply line 30 must be designed with a double-layer printed circuit board (PCB), wherein if the first input connection point 401 and the first output When the connection point 403 (and the third input connection point 501 and the first output connection point 503) are designed on the top of the circuit board, the second input connection point 402 and the second output connection point 404 (and the third input connection point 502 and the fourth output connection point 504) are designed under the circuit board.

Among them, the above two connection methods can be completed by using metal conductors to connect the connection points with solder joints, or by means of mechanisms (such as tenon joints, etc.) to ensure the smoothness and integrity of its electrical characteristics, while taking into account its The strength of the connection structure, so the present invention can combine a plurality of modular LED lighting devices according to the user's demand for brightness, which is more selective and convenient.

Claims (6)

1. modularized light emitting diode lighting device, it is characterized in that: each single modularized light emitting diode lighting device includes:

One module block, comprise at least one can with a last incoming junction that the modularized light emitting diode lighting device is connected, this incoming junction is in order to receive AC power; The AC power line that at least one is connected with this incoming junction, this AC power line is in order to transmit this AC power; The output connection that at least one is connected with this AC power line, this output connection is in order to spread out of this AC power to next modularized light emitting diode lighting device;

One power zone block, this power zone block is connected with this AC power, and this power zone block more includes:

One rectification unit is in order to be sent to output after the rectification with this AC power in addition;

One voltage transformation unit is in order to being sent to output after this AC power transformation;

Reach an illumination block, this illumination block and this power zone block join, and this illumination block comprises at least one light-emitting diode, sends a light source after receiving this operating voltage.

2. a kind of modularized light emitting diode lighting device as claimed in claim 1 is characterized in that: can include a pressure unit in this power zone block, this pressure unit and this rectification unit join, in order to being sent to output after this DC power supply step-down.

3. a kind of modularized light emitting diode lighting device as claimed in claim 1 is characterized in that: this rectification unit is a full-wave rectifier.

4. a kind of modularized light emitting diode lighting device as claimed in claim 1 is characterized in that: this rectification unit is a half-wave rectifier.

5. a kind of modularized light emitting diode lighting device as claimed in claim 1 is characterized in that: this voltage transformation unit is that a transformer is formed.

6. a kind of modularized light emitting diode lighting device as claimed in claim 1 is characterized in that: this voltage transformation unit is made up of with parallel way at least one high-voltage capacitance assembly.

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