KR101871980B1 - Power Supply for LED(Light Emitting Diode) Lighting - Google Patents

Abstract

The present invention provides a power supply device for a light emitting diode (LED) lamp. The power supply device includes: a circular LED module resting unit (250) on which 96 LEDs (200) are arranged, wherein the 96 LEDs (200) are divided into six areas (221 to 226), each of which has 16 LEDs; (1-1)^st to (1-6)^th converters (51-1 to 51-6) for supplying power to the six areas (221 to 226), each of which has 16 LEDs, wherein the (1-1)^st to (1-6)^th converters (51-1 to 51-6) are first to fourth rectification diodes (31 to 34) for rectifying AC power (30) of an input terminal to DC power; an input inductor (36) connected to the first to fourth rectification diodes (31 to 34); first and second diodes (37, 38) connected to the input inductor (36); a first flyback transformer (40) arranged between the first diode (37) and the second diode (38); a first main switch (42) connected to an end of a primary side of the first flyback transformer (40) and a cathode of the second diode (38); a third diode (39) connected to a secondary side of the first flyback transformer (40); and a first output capacitor (41) connected to the third diode (39) to rectify output voltage. An LED lamp device provided in the present invention uses a high efficiency power supply device using an average current mode using a CAN communication method, thereby minimizing generation of heat in a high power LED lamp device.

Description

[0001] The present invention relates to a power supply for a light emitting diode (LED)

The present invention relates to a power supply for improved LED (Light Emitting Diode) illumination applicable to a high-output Search-Light. Above all, high output LED (Light Emitting Diode) that can be used in soccer field, baseball field, tennis court and playground. Improved heat dissipation with built-in heat pipe for stable light emission in Search-Light And a power supply for LED (Light Emitting Diode) lighting that incorporates a high efficiency power supply that supplies power in parallel to the LED group.

Conventionally, in a high output LED (Light Emitting Diode) lighting apparatus, water cooling has been mainly used in order to cool heat generated from the LED by using a liquid. As a related prior art, there is disclosed an LED cooling device (hereinafter, referred to as " LED cooling device ") which emits heat by using a liquid in U.S. Patent No. 8651704, .

Figs. 1 and 2 show an LED heat dissipating device and a system disclosed in Patent Document 1. Fig.

1 there is a heat sink 8 connected to the LED 7 for cooling the heat generated by the plurality of high output LEDs 7, There is a sealing portion 1 for transferring heat. The heat generated by the LED 7 is transferred to the heat sink 8 while the fluid moves to the fluid conduit 6 and the heat of the heat sink 8 is transmitted to the sealing portion 8, (1) to the sealing portion wall (3) and is radiated through the fluid.

2, the fluid is circulated by the circulation pump 13 through the pipe 15, and the heat is discharged from the heating coil 11 to the air of the air conditioning duct 12. In FIG.

In addition, as a related prior art, Korean Patent Registration No. 10-1020063, published on Mar. 23, 2011 (hereinafter referred to as Patent Document 2) discloses a water- LED cooling system.

Fig. 3 shows an LED heat dissipating device disclosed in Patent Document 2. Fig.

3, there is an LED module 22 having a plurality of LEDs (Light Emitting Diodes) 23 in a high output LED (Light Emitting Diode) illumination device, 21 and the illumination lamp case 20, respectively. A heat pipe 18 is provided to discharge the heat generated by the plurality of LEDs 23 and the heat of the heat pipe 18 is cooled through a cooling water pipe 17 through which the cooling water flows It is a technical feature.

In Patent Documents 1 and 2, it is a technical feature to perform water cooling for cooling a high output LED (Light Emitting Diode) lighting apparatus. In the above Patent Documents 1 and 2, Document 2] requires a cooling pump and a cooling water pipe to rotate the cooling water, and there is a problem that the entire cooling system is very complicated.

[Patent Document 1] U.S. Patent No. 8651704, Publication Date 2014. 02. 18. [Patent Document 2] Korean Registered Patent No. 10-1020063, Published on Mar.

In the present invention, in order to stably emit light in a high light output LED (Light Emitting Diode) search light that can be used in a soccer field, a baseball field, a tennis court, and a playground, (Air cooling) system using a cooling system. In addition, for LED (Light Emitting Diode) lighting having a high efficiency power supply unit for supplying power in parallel to the LED group (Group) for high efficiency light emission of the high output LED (Light Emitting Diode) Power supply.

The present invention proposes an improved air cooling type cylindrical cooling device for cooling by using air in a high output LED (Light Emitting Diode) illumination device. The proposed cylindrical cooling apparatus (see FIGS. 5 and 6) has a technical feature of combining four radiator plates 101 arranged at 90 degrees to form a 360-degree cylindrical cooling apparatus. The first heat radiating fins 111 to 117 are disposed at an angle of 30 degrees and the outer heat pipes 120 are disposed between the first and second radiating fins 111 to 112 An inner heat pipe fixing groove 118 is disposed in the fifth radiating fin 115 and an inner heat pipe 119 is disposed in the inner heat pipe fixing groove 118. [ The inner heat pipe 119 and the outer heat pipe 120 are disposed in the circular LED module heat radiating part 253 at every 30 degrees. That is, a total of twelve inner heat pipes 119 and a total of twelve outer heat pipes 120 are disposed in the circular LED module heat dissipation part 253, and the inner heat pipes 119 and the outer heat pipes 120 ) Are staggered at an angle of 15 degrees. Heat generated from a plurality of LEDs (Light Emitting Diode) 200 is transmitted to a circular LED module heat dissipating unit 253, and the inner heat pipe 119 and the outer heat pipe 120 are connected to the LED module heat- And the heat of the heat sink 253 is transmitted to the radiator plate 101 in which the first to seventh radiating fins 111 to 117 are disposed. In addition, it is a technical feature that air cooling is performed through the ventilation groove 105 of the radiator plate and the ventilation groove 103 of the heat radiation lid.

In order to achieve high efficiency light emission of the high output LED (Light Emitting Diode), the LED group is divided into six LED groups, three LED groups and two LED groups And a high efficiency power supply device that supplies power in parallel to the six LED groups, the three LED groups, and the two LED groups, .

More specifically, in order to supply substantially the same current to each LED group, a plurality of LEDs (Light Emitting Diode) 200 emit light almost uniformly using an average current mode using a CAN communication system As a technical feature.

The LED (Light Emitting Diode) lighting device proposed in the present invention first uses a high efficiency power supply device using an average current mode using a CAN communication method. Therefore, a high output LED (Light Emitting Diode) There is an elevated effect that minimizes heat generation in the lighting device. And a radiator plate 101 disposed at an angle of 90 degrees to form a 360-degree cylindrical cooling apparatus. The first heat radiating fins 111 to 117 are disposed at an angle of 30 degrees and the outer heat pipes 120 are disposed between the first and second radiating fins 111 to 112 Cooled LED cooling device in which an inner heat pipe fixing groove 118 is disposed in the fifth radiating fin 115 and an inner heat pipe 119 is disposed in the inner heat pipe fixing groove 118, . Therefore, compared with the conventional LED cooling device of water cooling, the structure is very simple and the cooling effect is maximized.

1 is a perspective view of a LED heat dissipating device disclosed in Patent Document 1
Fig. 2 is a cross-sectional view of an LED heat dissipation system disclosed in Patent Document 1
Fig. 3 is a perspective view of the LED heat dissipating device disclosed in Patent Document 2
Fig. 4 is a cross-
5 is a detailed structural diagram (partial enlarged view) of the LED heat dissipating device proposed.
6 is a detailed structural diagram (overall layout view) of the LED heat dissipating device proposed in the present invention.
7 is a cross-sectional view of a heat dissipating lid
8 is a cooling structure diagram of the proposed LED heat dissipation device
9 is a side view of the proposed LED heat dissipation device
FIG. 10 is a schematic diagram of the proposed LED module layout
Fig. 11 is a schematic diagram of a proposed LED module layout
12 is a cross-
Fig. 13 is a view showing a module (1/6 division view)
Fig. 14 is a view showing a module (1/3 division view)
Fig. 15 is a view showing a module (half-sectional view)
16 shows the LED module symbols (16, 32, 48)
FIG. 17 is a diagram showing a power supply device (first embodiment) according to a proposed LED module (1/6 division view)
FIG. 18 is a diagram showing a configuration of the individual converter of the power supply unit (first embodiment) according to the proposed LED module (1/6 division chart)
Fig. 19 is a diagram showing a power supply device (second embodiment) according to a proposed LED module (1/6 division diagram)
Fig. 20 is a view showing an example of the configuration of the individual converters (first embodiment) of the power supply device (second embodiment)
Fig. 21 is a view showing a power supply device according to a proposed LED module (1/3 division diagram)
Fig. 22 is a schematic diagram of a power supply unit
FIG. 23 is a schematic diagram of an individual AC-DC converter of the power supply according to the proposed LED module (1/3 or 1/2 division)
FIG. 24 is a schematic diagram of an individual DC-DC converter of the power supply according to the proposed LED module (1/3 or 1/2 division)
Fig. 25 shows a parallel operation power supply apparatus (first embodiment) according to a proposed LED module (1/3 division chart)
Fig. 26 is a circuit diagram of a parallel operation power supply apparatus (first embodiment) according to a proposed LED module (1/2 division diagram)
Fig. 27 is a block diagram of a parallel operation power supply apparatus (second embodiment) according to a proposed LED module (1/3 division chart)
Fig. 28 shows a parallel operation power supply apparatus (second embodiment) according to the proposed LED module (half view)

The present invention will now be described in detail with reference to the accompanying drawings.

4 shows the LED heat dissipation device proposed by the present invention.

The proposed LED heat dissipation device is an improved air cooling type cylindrical cooling device. The LED heat dissipating device includes a circular LED module heat dissipating part 253 for dissipating heat in a circular LED module mounting part 250 having a total of 96 LEDs 200 disposed therein, And four radiator plates 101 arranged at 90 degrees are combined with each other to form a 360 ° cylindrical cooling device. The four radiator plates 101 arranged at 90 degrees may form a 360 degree cylinder through the first to fourth radiator plate connectors 131 to 134. [

The heat generated from the high output LED 200 is transmitted to the LED module seating unit 250 through the LED module heat dissipation unit 253 through the inner heat pipe 119 and the outer heat pipe 120, -> four radiator plates 101 -> first to seventh radiating fins 111 to 117, and cooled.

The inner heat pipe 119 and the outer heat pipe 120 are disposed in the circular LED module heat radiating part 253 at every 30 degrees. That is, a total of twelve inner heat pipes 119 and a total of twelve outer heat pipes 120 are disposed in the circular LED module heat dissipation part 253, and the inner heat pipes 119 and the outer heat pipes 120 ) Are staggered at an angle of 15 degrees.

12 outer heat pipes 120 are arranged on the surface of the LED module heat radiating part 253 and the 12 outer heat pipes 120 are fixed to the outer heat pipe fixing plate 121 and the connecting bolts 122 And can be fixed to the surface of the LED module heat sink 253.

The twelve outer heat pipes 120 function to transfer the heat of the surface of the LED module heat radiating part 253 to the four radiator boards 101 and the side surfaces of the four radiator boards 101 The temperature is relatively low because air is vented through the ventilation groove 105 of the connected radiator plate and the twelve outer heat pipes 120 are disposed between the first and second radiating fins 111 to 112 having the shortest radiating fins As shown in FIG.

5 shows a detailed structural diagram (partial enlarged view) of the LED heat dissipation device proposed by the present invention.

5 (b) is an enlarged view of the second to seventh heat radiating fins 113 to 117, and Fig. 5 (c) is an enlarged view of Fig. 5 Shows an enlarged view of the arrangement of the inner heat pipe 119 and the outer heat pipe 120. [ A total of twelve inner heat pipes 119 and a total of twelve outer heat pipes 120 are arranged in the circular LED module heat dissipation part 253. [ In particular, the inner heat pipes 119 are arranged at intervals of 30 degrees, and are offset from the outer heat pipes 120 at an angle of 15 degrees. The first radiator plate 101 is provided with first to seventh radiator fins 111 to 117 at an angle of 30 degrees and between the first and second radiator fins 111 to 112 having the shortest length of the radiator fins, The inner heat pipe fixing groove 118 is disposed in the fifth radiating fin 115 having the longest heat radiating fin length and the inner heat pipe 119 is fixed to the inner heat pipe fixing groove 118. [ As shown in FIG.

The reason for this is that the temperature of the circular heat dissipating unit 253 is relatively low and the outer heat pipe 120 that transmits the heat of the surface of the LED module heat dissipating unit 253 has the shortest length of the heat dissipating fin And is disposed between the first and second radiating fins 111 to 112. The inner temperature of the circular LED module heat dissipation unit 253 is relatively close to a plurality of LEDs (Light Emitting Diode) 200, so that the temperature is relatively high and the heat inside the LED module heat dissipation unit 253 is transmitted And the inner heat pipe 119 is connected to the fifth radiating fin 115 having the longest length of the radiating fin.

Fig. 6 shows a detailed structure (overall layout) of the LED heat dissipation device proposed by the present invention.

6, four radiator plates 101 are arranged around the power fixing terminal 130 on the inner side, as shown in Figs. 6 (a), 6 (b), 6 (c) and 6 (d) The first radiator plate connection part 131, the second radiator plate connection part 132, the third radiator plate connection part 133 and the fourth radiator plate connection part 134 are connected to form a 360 ° cylindrical cooling device. do.

The inner heat pipe 119 and the outer heat pipe 120 are disposed in the LED module heat radiating part 253 at every 30 degrees. That is, a total of twelve inner heat pipes 119 and a total of twelve outer heat pipes 120 are disposed in the circular LED module heat dissipation part 253, and the inner heat pipes 119 and the outer heat pipes 120 ) Are staggered at an angle of 15 degrees. The radiating plate 101 is provided with first to seventh radiating fins 111 to 117 at angles of 30 degrees and between the first and second radiating fins 111 to 112 having the shortest radiating fins, The inner heat pipe fixing groove 118 is disposed in the fifth radiating fin 115 having the longest heat radiating fin length and the inner heat pipe 119 is fixed to the inner heat pipe fixing groove 118. [ As shown in FIG.

7 shows a heat dissipation lid of the LED heat dissipation device proposed by the present invention.

The heat dissipating lid 102 of the proposed LED heat dissipating device protects the cylindrical cooling device formed at 360 degrees and the air introduced into the inside of the ventilation groove 103 of the 30 heat dissipating lids arranged at intervals of 12 degrees for air cooling (Outflow) or outflow (outflow). The LED module heat radiating part 253 and the inner heat pipe 119 are connected to each other and the fifth radiating fin 115 having the longest radiating fin length is high in temperature, 103 to the outside.

8 is a cooling structure diagram of the LED heat dissipation device proposed by the present invention.

8 (a) is a plan view of the LED heat dissipating apparatus according to the first embodiment of the present invention. Referring to FIG. 8 (a), air flows into (enters) the searchlight heat dissipating lid 102 in the cooling structure of the LED heat dissipating device, And 117 show heat that flows out from the ventilation groove 105 of the radiator plate and Fig. 8 (b) shows the inflow of the heat from the cooling structure of the LED radiator to the ventilation groove 105 of the radiator plate Flows into the circular radiator plate 101 and emits heat of the first to seventh radiator fins 111 to 117 and flows out from the searchlight heat-radiating lid 102.

In the present invention, it is preferable to use a water cooling method for releasing heat by using a liquid to cool the heat generated by the LED 200 or a fan for forcibly circulating the air. , And air can be circulated.

9 is a side view of the LED heat dissipation device proposed by the present invention.

The proposed LED heat dissipating device can fix a searchlight to be used in a soccer field, a baseball field, a tennis court, and a playground through a searchlight connection part 106 provided on a side surface of a radiator plate 101, The searchlight can be adjusted to illuminate the desired position through the searchlight angle adjustment groove 107 and the searchlight fixing pin 108. [

FIGS. 10 to 11 show a layout of the LED module proposed in the present invention, and FIG. 12 shows the manufactured LED module.

The arrangement of the LED modules proposed in the present invention shows a layout in which the LED modules 200 are arranged along a certain pattern. The arrangement of the LED modules is as follows from the top to the bottom.

(1st column) 3 LED arrays 1 (201) -> Total 3 LEDs

(2nd row) 6 LED arrays 1 (202) -> 6 total LEDs

(3rd column) 9 LED arrays 1 (203) -> 9 total LEDs

(4th column) 10 LED arrays 1 (204) -> 10 total LEDs

(5th column) 5 LED arrays 1 (205) and 5 LED arrays 2 (206) -> Total 10 LEDs (5 each * 2)

(6th column) 3 LED arrays 2 (207) and 3 LED arrays 3 (208) -> 6 total LEDs (3 each * 2)

(7th column) 4 LED arrays 1 (209) and 4 LED arrays 2 (210) -> 8 total LEDs (4 each * 2)

(8th column) 3 LED arrays 4 (211) and 3 LED arrays 5 (212) -> 6 total LEDs (3 each * 2)

(9th column) 5 LED arrays 3 (213) and 5 LED arrays 4 (214) -> Total 10 LEDs (5 each * 2)

(10th column) 10 LED arrays 1 (215) -> 10 total LEDs

(Eleventh column) 9 LED arrays 2 (216) -> 9 total LEDs

(Column 12) 6 LED arrays 2 (217) -> 6 LEDs in total

(13th column) 3 LED arrays 1 (218) -> 3 total LEDs

The LED module fabricated in FIG. 12 is combined with the LED module connection bolt 252 and is coupled with the ventilation groove 105 of the radiator plate and the heat dissipation and ventilation connection bolts 251 so that the LED module is symmetrical in the vertical direction The overall LED module is well-balanced and is characterized by efficient heat dissipation and light emission.

Fig. 13 shows a module (1/6 division view) of the LED manufactured according to the present invention.

The proposed LED module is divided into 1/6 drive type LED array 1 to 1/6 drive type LED array 6 (221, 222, 223, 224 , 225, and 226, and the array is hexagonal in shape. The total number of LEDs is 96 in total, and each of the LEDs in 1/6 division is 16 in number.

More precisely, the LEDs are divided into hexagonal structures precisely through the arrangement from the above (the first column) to the above (column 13), and the LEDs of the 1/6 division are each 16 chips.

Fig. 14 shows a module (1/3 division view) of the LED manufactured according to the present invention.

The proposed LED module includes a 1/3 drive type LED array 1, a 1/3 drive type LED array 2, and a 1/3 drive type LED array 3 (231, 232, and 233), the array shape is divided into the same number as the number of 32 LEDs by 1/3 each, and is efficient in heat radiation and light emission.

Fig. 15 shows a module (half sectional view) of the LED manufactured according to the present invention.

The proposed LED module has an arrangement of 1/2 driving type LED array 1 (241) and 1/2 driving type LED array 2 (242) in such a manner that the proposed LED module can be driven by being divided by 1/2 in the LED module seating part 250 The LEDs are divided into 48 LEDs, each of which has an arrangement of 1/2, so that it is efficient in heat radiation and light emission.

16 shows the LED module symbols (16, 32, 48) proposed by the present invention.

FIG. 16 (b) is a symbol of 16 LEDs used in the 1/6 division chart, FIG. 16 (c) is a symbol of 32 LEDs used in the 1/3 division chart, / 2 indicates the symbols of the 48 LEDs used in the diagram.

17 shows a power supply device (first embodiment) according to a module (1/6 division diagram) of the LED proposed in the present invention. The power supply apparatus according to the first embodiment of the present invention comprises a 1/6 drive type LED array 1 to a 1/6 drive type LED array 6 (221, The first to sixth converters 51-1, 51-2, 51-3, 51-4, 51-5, and 51-5 are provided to supply substantially the same current to the first to fourth converters 222, 223, 224, 225, 61-6, 61-3, 61-4, 61-5, and 61-6 through the first 1-1 output current sensor to the 1-6 output current sensors 61-1, 61-2, 61-3, 61-4, 61-5, And control is performed.

FIG. 18 is a schematic diagram showing the configuration of the first through fifth converters 51-1, 51-2, 51-3, 51-3, 51-3, 51-4, 51-5, and 51-6.

The detailed circuit of the first to the first converter to the first to sixth converters 51-1, 51-2, 51-3, 51-4, 51-5, Through the first to fourth rectifying diodes 31 to 43 and is rectified through the input inductor 36, the first flyback transformer 40, the third diode 39 and the first output capacitor 41, Emitting diode (LED) 200, which is composed of a 1/6 driving method.

The second diode 38 performs the function of improving the input terminal power factor by turning on and off the energy stored in the input inductor 36 through the first main switch 42.

19 shows a power supply device (second embodiment) according to a proposed LED module (1/6 division view). The power supply apparatus according to the second embodiment of the present invention comprises a 1/6 drive type LED array 1 to a 1/6 drive type LED array 6 221, Second to sixth converters 52-1, 52-2, 52-3, 52-4, 52-5, and 52-5 are provided to supply substantially the same current to the first to fourth converters 222, 223, 224, 225, The current is measured through the 1-1 output current sensor to the 1-6 output current sensors 61-1, 61-2, 61-3, 61-4, 61-5, and 61-6, And control is performed.

20 shows an individual converter of a power supply device (second embodiment) according to a module (1/6 division view) of the LED proposed in the present invention. 20 (a) is a power supply device according to a forward (forward) type LED module (1/6 division view), and FIG. 20 (b) shows a fly- Fig. 20 (a), the first main controller 90 of the forward type is connected to the first main switch (first switch) 90 based on the current at the lower end of the first main switch 42 and the current of the LED (Light Emitting Diode) The first main controller 90-1 of the flyback type in FIG. 20B is turned on and off at the lower end of the second main switch 42-1 The second main switch 42-1 is turned on and off based on the current and the current of the LED (Light Emitting Diode)

Fig. 21 shows a power supply device according to a module (1/3 division view) of the LED proposed in the present invention.

According to the proposed LED module (1/3 division), the power supply is divided into three LED groups (Group) for high efficiency light emission of high output LED (Light Emitting Diode) 3-1 to 3-3 converters 53-1, 53-2, and 53-3 to supply substantially the same current to each LED group (Group) as a high efficiency power supply device that supplies power in parallel to the divided LEDs -3), a plurality of LEDs (Light Emitting Diodes) 200 are arranged on the basis of the current through the 1-1 output current sensor to the 1-3 output current sensors 61-1, 61-2 and 61-3 And the light is emitted substantially uniformly.

FIG. 22 shows a power supply device according to a module (half view) of the LED proposed in the present invention.

According to the proposed LED module (1/2 division), the power supply unit is divided into two LED groups (Group) for high efficiency light emission of high output LED (Light Emitting Diode) Efficiency power supply device that supplies power in parallel to the divided LEDs, the four-to-one converter and the four-to-two converters 54-1 and 54-2 are provided to supply substantially the same current to each LED group The plurality of LEDs (Light Emitting Diode) 200 emits light substantially uniformly based on the current through the 1-1 output current sensor and the 1-2 output current sensors 61-1 and 61-2, .

23 shows an individual AC-DC converter of the power supply according to the module (1/3 or 1/2 division) of the LED proposed in the present invention. The AC-DC converter performs the function of improving the power factor of the input power source. The input voltage sensor 72 detects the input voltage waveform. The AC-DC converter detects the input voltage waveform from the first current sensor 43 The control unit 50 controls the step-up switch 50 on and off based on the current information of the step-up switch 50 and the output current information from the first output current sensor 61, As a technical feature.

24 shows a separate DC-DC converter of the power supply according to the module (1/3 or 1/2 division) of the LED proposed in the present invention. In FIG. 24, the number of LEDs in the LED module (1/3 or 1/2 division) is 32 in the 1/3 divisional view, and 48 in the 1/2 divisional view. Therefore, 32 LEDs are used in 1/3 division, and when one LED consumes about 3 [W], 32 LEDs require about 96 [W], and in 1/2 division, 48 LEDs When one LED consumes about 3 [W], 48 LEDs require 144 [W]. Since the total number of LEDs is 96, about 300 [W] is required. In addition, when the LED light intensity is increased by generating high output of LED, the total 96 LEDs are required to be more than about 600 [W]. Therefore, in the present invention, a half-bridge converter type LED power supply device is proposed as a suitable power supply device. 24 (a) shows the use of the first and second center tap diodes 82 and 83 at the secondary side of the first center tap transformer 80 of the half-bridge converter, FIG. 24 (b) The first and second synchronous rectifier switches 84 and 85 are applied on the secondary side of the first center tap transformer 80 of the half bridge converter. When the first and second synchronous rectifier switches 84 and 85 are used in the half bridge converter of FIG. 24 (b), the efficiency is increased at a large current output.

Bridge converter of FIG. 24 combines input DC power sources 181 and 182 through first and second voltage-dividing capacitors 73 and 74, and a first upper switch 75 and a first lower switch 76, Through the first center tap transformer 80, the first and second center tap diodes 82, 83 or the first and second synchronous rectifier switches 84,

25 shows a parallel operation power supply apparatus (first embodiment) according to a module (1/3 division view) of the LED proposed in the present invention.

The parallel operation power supply apparatus according to the proposed LED module (1/3 division chart) (first embodiment) is provided with the first, 1-1, 1-2 output current sensors 61 61-1 and 61-2 are arranged to detect the current flowing in the group of the LEDs 200 and the first, 1-1, and 1-2 output voltage sensors 62, 62-1, 62- 2 are arranged to detect a voltage applied to the group of the LEDs 200. [ The current information of the first, 1-1, and 1-2 output current sensors 61, 61-1, 61-2 is transmitted to the LEDs of all converters detected wirelessly by the first CAN communication line 98 200) group (Group). The first CAN data receiving unit 97 receives the current information flowing in the group of the LEDs 200 of all the converters to the control unit of the first LLC converter 301. In particular, the reference current Io.ref is obtained through the first average current reference current portion 96 to calculate the current average value of all the converter LEDs.

The first, 1-1, and 1-2 output current sensors 61, 61-1 and 61-2 are connected to the first, 1-1, and 1-2 current controllers 95, 95-1, And the reference current Io.ref to generate the control voltage Vo *. The reference voltage Vo.ref is generated by comparing the control voltage Vo * with the base voltage Vo.base.

1-1, 1-2 output voltages applied to the group of the LEDs 200 through the first, 1-1, and 1-2 voltage controllers 94, 94-1, Detects output voltage information through voltage sensors (62, 62-1, 62-2), and compares the reference voltage (Vo.ref) to generate a control signal. 1-1, 1-2 pulse width modulation (PWM) controllers 93, 93-1, 93-2, first, 1-1 and 1-2 drive circuits Bridge converter through switches 92, 92-1, 92-2.

According to the present invention, communication is performed wirelessly from a short distance via CAN (Controller Area Network) communication.

26 to 28 show a parallel operation power supply apparatus according to the proposed LED module.

In FIG. 26, two half bridge converters in the LED module having 96 LEDs in total have a 1/2 center tap diode (82, 83) rectification scheme and one half bridge converter emits 48 LEDs. 2 shows the classification chart.

In FIG. 27, in the LED module having 96 LEDs in total, the three half bridge converters are connected to the first and second synchronous rectifier switches 88 and 89 in a rectification manner, and one half bridge converter emits 32 LEDs. 3 shows the classification chart.

In FIG. 28, in the LED module having 96 LEDs in total, two half-bridge converters are connected in parallel with the first and second synchronous rectifier switches 88 and 89, and one half-bridge converter emits 48 LEDs, 2 shows the classification chart.

In the present invention, a power supply device for LED (Light Emitting Diode) illumination includes a circular LED module mount 250 having 96 LEDs (Light Emitting Diode) 200 disposed therein; The 96 LEDs 200 are divided into six regions 221 to 226 each consisting of 16 LEDs; 1-1 to 1-6 converters 51-1 to 51-6 for supplying power to six regions 221 to 226 constituted by the sixteen LEDs, respectively; The 1-1 to 1-6 converters 51-1 to 51-6 include first to fourth rectifying diodes 31 to 34 for rectifying the input AC power supply 30 to a DC power source; An input inductor 36 connected to the first to fourth rectifier diodes 31 to 34; First and second diodes 37 and 38 connected to the input inductor 36; A first flyback transformer (40) disposed between the first diode (37) and the second diode (38); A first main switch 42 connected to one end of the primary side of the first flyback transformer 40 and a cathode of the second diode 38; A third diode 39 connected to the secondary side of the first flyback transformer 40; And a first output capacitor (41) connected to the third diode (39) and rectifying an output voltage.

In addition, the present invention provides a power supply device for LED (Light Emitting Diode) lighting, comprising: a circular LED module mounting part 250 having 96 LEDs (Light Emitting Diode) 200; The 96 LEDs 200 are divided into three regions 231 to 233 each consisting of 32 LEDs; Third to third converters 53-1 to 53-3 for supplying power to three regions 231 to 233 constituted by the 32 LEDs, respectively; The 3-1 to 3-3 converters 53-1 to 53-3 include first to fourth rectifying diodes 31 to 34 for rectifying the input AC power source 30 to DC power; An input inductor 36 connected to the first to fourth rectifier diodes 31 to 34; A boost switch 50 located between one side of the input inductor and the negative power supply 182; A sixth diode 49 connected to one side (one side) of the input inductor and a drain terminal of the step-up switch 50; A bank capacitor 55 connected to the sixth diode 49 for rectifying the boosted voltage; First and second divided capacitors 73 and 74 for dividing the boosted voltage of the bank capacitor 55; A first upper switch 75 connected to one side of the first voltage-dividing capacitor 73 to control the flow of current in the first direction to the first center-tap transformer 80; A first lower switch 76 connected to one side (one side) of the second voltage-dividing capacitor 74 to control current flow in the second direction to the first center-tap transformer 80; A first center tap transformer (80) for transforming the switched power from the first upper switch (75) and the first lower switch (76); First and second center tap diodes (82, 83) located at a secondary side of the first center tap transformer (80) and rectifying the same; And a first output capacitor 41 connected to the first and second center tap diodes 82 and 83 for rectifying an output voltage.

In addition, the present invention provides a power supply device for LED (Light Emitting Diode) lighting, comprising: a circular LED module mounting part 250 having 96 LEDs (Light Emitting Diode) 200; The 96 LEDs 200 are divided into three regions 231 to 233 each consisting of 32 LEDs; Third to third converters 53-1 to 53-3 for supplying power to three regions 231 to 233 constituted by the 32 LEDs, respectively; The 3-1 to 3-3 converters 53-1 to 53-3 include first to fourth rectifying diodes 31 to 34 for rectifying the input AC power source 30 to DC power; An input inductor 36 connected to the first to fourth rectifier diodes 31 to 34; A boost switch 50 located between one side of the input inductor and the negative power supply 182; A sixth diode 49 connected to one side (one side) of the input inductor and a drain terminal of the step-up switch 50; A bank capacitor 55 connected to the sixth diode 49 for rectifying the boosted voltage; First and second divided capacitors 73 and 74 for dividing the boosted voltage of the bank capacitor 55; A first upper switch 75 connected to one side of the first voltage-dividing capacitor 73 to control the flow of current in the first direction to the first center-tap transformer 80; A first lower switch 76 connected to one side (one side) of the second voltage-dividing capacitor 74 to control current flow in the second direction to the first center-tap transformer 80; A first center tap transformer (80) for transforming the switched power from the first upper switch (75) and the first lower switch (76); First and second synchronous rectifier switches (84, 85) located on the secondary side of the first center tap transformer (80) and rectifying; And a first output capacitor 41 connected to the first and second synchronous rectifier switches 84 and 85 for rectifying an output voltage.

In addition, the present invention provides a power supply device for LED (Light Emitting Diode) lighting, comprising: a circular LED module mounting part 250 having 96 LEDs (Light Emitting Diode) 200; The 96 LEDs 200 are divided into two regions 241 to 242 each consisting of 48 LEDs; 4-1 to 4-2 converters 54-1 to 54-2 for supplying power to the two regions 241 to 242 constituted by the 48 LEDs, respectively; The 4-1 to 4-2 converters 54-1 to 54-2 include first to fourth rectifying diodes 31 to 34 for rectifying the input AC power source 30 to a DC power source; An input inductor 36 connected to the first to fourth rectifier diodes 31 to 34; A boost switch 50 located between one side of the input inductor and the negative power supply 182; A sixth diode 49 connected to one side (one side) of the input inductor and a drain terminal of the step-up switch 50; A bank capacitor 55 connected to the sixth diode 49 for rectifying the boosted voltage; First and second divided capacitors 73 and 74 for dividing the boosted voltage of the bank capacitor 55; A first upper switch 75 connected to one side of the first voltage-dividing capacitor 73 to control the flow of current in the first direction to the first center-tap transformer 80; A first lower switch 76 connected to one side (one side) of the second voltage-dividing capacitor 74 to control current flow in the second direction to the first center-tap transformer 80; A first center tap transformer (80) for transforming the switched power from the first upper switch (75) and the first lower switch (76); First and second center tap diodes (82, 83) located at a secondary side of the first center tap transformer (80) and rectifying the same; And a first output capacitor 41 connected to the first and second center tap diodes 82 and 83 for rectifying an output voltage.

Finally, the present invention provides a power supply device for LED (Light Emitting Diode) lighting, comprising: a round LED module mount 250 having 96 LEDs 200; The 96 LEDs 200 are divided into two regions 241 to 242 each consisting of 48 LEDs; 4-1 to 4-2 converters 54-1 to 54-2 for supplying power to the two regions 241 to 242 constituted by the 48 LEDs, respectively; The 4-1 to 4-2 converters 54-1 to 54-2 include first to fourth rectifying diodes 31 to 34 for rectifying the input AC power source 30 to a DC power source; An input inductor 36 connected to the first to fourth rectifier diodes 31 to 34; A boost switch 50 located between one side of the input inductor and the negative power supply 182; A sixth diode 49 connected to one side (one side) of the input inductor and a drain terminal of the step-up switch 50; A bank capacitor 55 connected to the sixth diode 49 for rectifying the boosted voltage; First and second divided capacitors 73 and 74 for dividing the boosted voltage of the bank capacitor 55; A first upper switch 75 connected to one side of the first voltage-dividing capacitor 73 to control the flow of current in the first direction to the first center-tap transformer 80; A first lower switch 76 connected to one side (one side) of the second voltage-dividing capacitor 74 to control current flow in the second direction to the first center-tap transformer 80; A first center tap transformer (80) for transforming the switched power from the first upper switch (75) and the first lower switch (76); First and second synchronous rectifier switches (84, 85) located on the secondary side of the first center tap transformer (80) and rectifying; And a first output capacitor 41 connected to the first and second synchronous rectifier switches 84 and 85 for rectifying an output voltage.

The present invention can be applied to a power supply device for LED (Light Emitting Diode) lighting by various modifications by a person having ordinary skill in the art, and the scope of the technology for easily transforming the technology is also within the scope of the present patent .

1: sealing portion
2: fluid moving space
3: Sealing part wall
4: Lighting Enclosure
5: Fluid movement path
6: Fluid conduit
7: LED (Light Emitting Diode)
8: Heat sink
9: LED light (light)
10: first side of the seal
11: Heating coil
12: Air duct
13: circulation pump
14: Heat Source
15: Piping
16: Fixture
17: cooling water pipe
18: Heat pipe
19: Fastening bolt
20: Light case
21: LED module mounting part
22: LED module
23: LED (Light Emitting Diode)
24: LED power supply
30: Input AC power
31: first rectifier diode
32: second rectifying diode
33: third rectifier diode
34: fourth rectifier diode
35: input stage rectifier diode
36: Input inductor
37: first diode
38: second diode
39: third diode
40: First flyback transformer
41: a first output capacitor
41-1: 1-1 output capacitor
41-2: 1-2 output capacitor
42: 1st main switch
42-1: Second main switch
43: a first current sensor
43-1: second current sensor
44: first input stage capacitor
44-1: 1-1 input stage capacitor
45: boosted power factor improving circuit
46: fourth diode
47: fifth diode
48: Output inductor
49: sixth diode
50: step-up switch
51-1: 1-1 converter
51-2: No. 1-2 converter
51-3: 1st to 3rd converter
51-4: 1st to 4th converter
51-5: No. 1-5 converter
51-6: 1-6 converter
52-1: converter 2-1
52-2: converter 2-2
52-3: 2nd to 3rd converter
52-4: 2nd to 4th converter
52-5: The 2-5 converter
52-6: 2-6 converter
53-1: The third converter
53-2: No. 3-2 converter
53-3: Third to third converter
54-1: 4-1 converter
54-2: No. 4-2 converter
55: Bank capacitor
61: first output current sensor
61-1: Output current sensor 1-1
61-2: 1-2 output current sensor
61-3: Output current sensor 1-3
61-4: Output current sensor 1-4
61-5: No. 1-5 output current sensor
61-6: Output 1-6 output current sensor
62: first output voltage sensor
62-1: 1-1 output voltage sensor
62-2: 1-2 output voltage sensor
70: Forward transformer
71: Flyback transformer
72: Input voltage sensor
73: first divided capacitor
73-1: Part 1-1 Voltage Capacitor
73-2: 1-2 divider capacitor
74: Second partial voltage capacitor
74-1: Part 2-1 Voltage-dividing capacitor
74-2: Part 2-2 Voltage-dividing capacitor
75: first upper side switch
75-1: 1st 1-1 high side switch
75-2: 1st and 2nd upper switches
76: first lower switch
76-1: 1-1 lower switch
76-2: 1-2 lower switch
77: 1st transformer current sensor
77-1: 1st Transformer Current Sensor
78: 1st half bridge current sensor
78-1: 1-1 half bridge current sensor
80: 1st center tap transformer
80-1: 1-1 center tap transformer
80-2: 1-2 center tap transformer
82: first center tap diode
82-1: 1-1 center tap diode
82-2: 1-2 center tap diode
83: second center tap diode
83-1: center 2-1 center tap diode
83-2: 2-2 center tap diode
84: First synchronous rectifier switch
85: Second synchronous rectifier switch
86: first resonance inductor
86-1: 1st resonant inductor
86-2: resonance inductor 1-2
88: First synchronous rectifier switch
88-1: 1-1 Synchronous Rectifier Switch
88-2: 1st-2nd synchronous rectifier switch
89: Secondary synchronous rectifier switch
89-1: 2-1 Synchronous rectifier switch
89-2: 2-2 Synchronous rectifier switch
90: The 1st main word
90-1: 1-1 Keynote Speech
92: first driving circuit
92-1: the 1-1 drive circuit
92-2: the 1-2 driving circuit
93: Pulse Width Modulated (PWM) controller
93-1: 1-1 pulse width modulation (PWM) controller
93-2: 1st to 2nd pulse width modulation (PWM) controller
94: first voltage controller
94-1: 1-1 voltage controller
94-2: 1-2 voltage controller
95: first current controller
95-1: 1-1 current controller
95-2: 1-2 current controller
96: first average current reference current portion
96-1: second average current reference current portion
96-2: third average current reference current portion
97: First CAN data receiving section
97-1: 1st 1-1 CAN data receiving section
97-2: 1-2 CAN data receiving section
98: first CAN communication line
99: First synchronous rectifier driver
99-1: 1-1 Synchronous Rectifier Driver
99-2: 1st - 2nd synchronous rectifier driver
101: radiator plate
102: Searchlight heat sink cover
103: Ventilation groove of the heat shield
104: Searchlight connection groove
105: Ventilation groove of radiator plate
106: Searchlight connection
107: Searchlight angle adjustment groove
108: Searchlight fixing pin
111: first radiating fin
112: second heat radiating fin
113: the third radiating fin
114: fourth radiating fin
115: fifth radiating fin
116: Sixth radiating fin
117: seventh heat sink fin
118: Inner heat pipe fixing groove
119: Inner heat pipe
120: Outside heat pipe
121: Outside heat pipe fixing plate
122: fastening bolt
123: Outside heat pipe fixture
130: Inner power fixed terminal
130-1: External power fixing terminal
131: first radiator plate connection part
132: second radiator plate connection portion
133: Third radiator plate connection part
134: fourth radiator plate connection portion
135: Power line
150:
181: (+) Power supply
182: (-) Power supply
183: DC power source
200: LED (Light Emitting Diode)
201: Three LED arrays 1
202: 6 LED arrays 1
203: 9 LED arrays 1
204: 10 LED arrays 1
205: 5 LED arrays 1
206: 5 LED arrays 2
207: Three LED arrays 2
208: Three LED arrays 3
209: Four LED arrays 1
210: Four LED arrays 2
211: Three LED arrays 4
212: Three LED arrays 5
213: 5 LED arrays 3
214: 5 LED arrays 4
215: 10 LED arrays 2
216: 9 LED arrays 2
217: 6 LED arrays 2
218: Three LED arrays 6
221: 1/6 drive LED array 1
222: 1/6 drive LED array 2
223: 1/6 drive LED array 3
224: 1/6 drive LED array 4
225: 1/6 drive LED array 5
226: 1/6 drive LED array 6
231: 1/3 drive LED array 1
232: 1/3 drive LED array 2
233: 1/3 drive LED array 3
241: 1/2 Drive Type LED Array 1
242: 1/2 Drive Type LED Array 2
250: LED module mounting part
251: Heat and ventilation connection bolts
252: LED module connection bolt
253: LED module heat sink
301: First LLC converter
302: second LLC converter
303: Third LLC converter
304: fourth LLC converter
305: fifth LLC converter
306: sixth LLC converter
307: Seventh LLC converter
308: The eighth LLC converter
309: The ninth LLC converter
310: the tenth LLC converter
Io.ref: Reference current
Vo *: Control voltage
Vo.base: Base voltage
Vo.ref: Reference voltage

Claims (6)

A power supply device for an LED (Light Emitting Diode)
A circular LED module mounting portion 250 having 96 LEDs (Light Emitting Diode) 200 disposed therein;
The 96 LEDs 200 are divided into six regions 221 to 226 each consisting of 16 LEDs;
1-1 to 1-6 converters 51-1 to 51-6 for supplying power to six regions 221 to 226 constituted by the sixteen LEDs, respectively;
The 1-1 to 1-6 converters 51-1 to 51-6 include first to fourth rectifying diodes 31 to 34 for rectifying the input AC power supply 30 to a DC power source;
An input inductor 36 connected to the first to fourth rectifier diodes 31 to 34;
First and second diodes 37 and 38 connected to the input inductor 36;
A first flyback transformer (40) disposed between the first diode (37) and the second diode (38);
A first main switch 42 connected to one end of the primary side of the first flyback transformer 40 and a cathode of the second diode 38;
A third diode 39 connected to the secondary side of the first flyback transformer 40;
And a first output capacitor (41) connected to the third diode (39) for rectifying an output voltage. A power supply device for an LED (Light Emitting Diode)
A circular LED module mounting portion 250 having 96 LEDs (Light Emitting Diode) 200 disposed therein;
The 96 LEDs 200 are divided into three regions 231 to 233 each consisting of 32 LEDs;
Third to third converters 53-1 to 53-3 for supplying power to three regions 231 to 233 constituted by the 32 LEDs, respectively;
The 3-1 to 3-3 converters 53-1 to 53-3 include first to fourth rectifying diodes 31 to 34 for rectifying the input AC power source 30 to DC power;
An input inductor 36 connected to the first to fourth rectifier diodes 31 to 34;
A boost switch 50 located between one side of the input inductor and the negative power supply 182;
A sixth diode 49 connected to one side (one side) of the input inductor and a drain terminal of the step-up switch 50;
A bank capacitor 55 connected to the sixth diode 49 for rectifying the boosted voltage;
First and second divided capacitors 73 and 74 for dividing the boosted voltage of the bank capacitor 55;
A first upper switch 75 connected to one side (one side) of the first voltage-dividing capacitor 73 to control current flow in the first direction to the first center-tap transformer 80;
A first lower switch 76 connected to one side (one side) of the second voltage-dividing capacitor 74 to control current flow in the second direction to the first center-tap transformer 80;
A first center tap transformer (80) for transforming the switched power from the first upper switch (75) and the first lower switch (76);
First and second center tap diodes (82, 83) located at the secondary side of the first center tap transformer (80) and rectifying the same;
And a first output capacitor (41) connected to the first and second center tap diodes (82, 83) for rectifying an output voltage. A power supply device for an LED (Light Emitting Diode)
A circular LED module mounting portion 250 having 96 LEDs (Light Emitting Diode) 200 disposed therein;
The 96 LEDs 200 are divided into three regions 231 to 233 each consisting of 32 LEDs;
Third to third converters 53-1 to 53-3 for supplying power to three regions 231 to 233 constituted by the 32 LEDs, respectively;
The 3-1 to 3-3 converters 53-1 to 53-3 include first to fourth rectifying diodes 31 to 34 for rectifying the input AC power source 30 to DC power;
An input inductor 36 connected to the first to fourth rectifier diodes 31 to 34;
A boost switch 50 located between one side of the input inductor and the negative power supply 182;
A sixth diode 49 connected to one side (one side) of the input inductor and a drain terminal of the step-up switch 50;
A bank capacitor 55 connected to the sixth diode 49 for rectifying the boosted voltage;
First and second divided capacitors 73 and 74 for dividing the boosted voltage of the bank capacitor 55;
A first upper switch 75 connected to one side (one side) of the first voltage-dividing capacitor 73 to control current flow in the first direction to the first center-tap transformer 80;
A first lower switch 76 connected to one side (one side) of the second voltage-dividing capacitor 74 to control current flow in the second direction to the first center-tap transformer 80;
A first center tap transformer (80) for transforming the switched power from the first upper switch (75) and the first lower switch (76);
First and second synchronous rectifier switches (84, 85) located on the secondary side of the first center tap transformer (80) and rectifying;
And a first output capacitor (41) connected to the first and second synchronous rectifier switches (84, 85) for rectifying an output voltage. A power supply device for an LED (Light Emitting Diode)
A circular LED module mounting portion 250 having 96 LEDs (Light Emitting Diode) 200 disposed therein;
The 96 LEDs 200 are divided into two regions 241 to 242 each consisting of 48 LEDs;
4-1 to 4-2 converters 54-1 to 54-2 for supplying power to the two regions 241 to 242 constituted by the 48 LEDs, respectively;
The 4-1 to 4-2 converters 54-1 to 54-2 include first to fourth rectifying diodes 31 to 34 for rectifying the input AC power source 30 to a DC power source;
An input inductor 36 connected to the first to fourth rectifier diodes 31 to 34;
A boost switch 50 located between one side of the input inductor and the negative power supply 182;
A sixth diode 49 connected to one side (one side) of the input inductor and a drain terminal of the step-up switch 50;
A bank capacitor 55 connected to the sixth diode 49 for rectifying the boosted voltage;
First and second divided capacitors 73 and 74 for dividing the boosted voltage of the bank capacitor 55;
A first upper switch 75 connected to one side of the first voltage-dividing capacitor 73 to control the flow of current in the first direction to the first center-tap transformer 80;
A first lower switch 76 connected to one side (one side) of the second voltage-dividing capacitor 74 to control current flow in the second direction to the first center-tap transformer 80;
A first center tap transformer (80) for transforming the switched power from the first upper switch (75) and the first lower switch (76);
First and second center tap diodes (82, 83) located at the secondary side of the first center tap transformer (80) and rectifying the same;
And a first output capacitor (41) connected to the first and second center tap diodes (82, 83) for rectifying an output voltage. A power supply device for an LED (Light Emitting Diode)
A circular LED module mounting portion 250 having 96 LEDs (Light Emitting Diode) 200 disposed therein;
The 96 LEDs 200 are divided into two regions 241 to 242 each consisting of 48 LEDs;
4-1 to 4-2 converters 54-1 to 54-2 for supplying power to the two regions 241 to 242 constituted by the 48 LEDs, respectively;
The 4-1 to 4-2 converters 54-1 to 54-2 include first to fourth rectifying diodes 31 to 34 for rectifying the input AC power source 30 to a DC power source;
An input inductor 36 connected to the first to fourth rectifier diodes 31 to 34;
A boost switch 50 located between one side of the input inductor and the negative power supply 182;
A sixth diode 49 connected to one side (one side) of the input inductor and a drain terminal of the step-up switch 50;
A bank capacitor 55 connected to the sixth diode 49 for rectifying the boosted voltage;
First and second divided capacitors 73 and 74 for dividing the boosted voltage of the bank capacitor 55;
A first upper switch 75 connected to one side of the first voltage-dividing capacitor 73 to control the flow of current in the first direction to the first center-tap transformer 80;
A first lower switch 76 connected to one side (one side) of the second voltage-dividing capacitor 74 to control current flow in the second direction to the first center-tap transformer 80;
A first center tap transformer (80) for transforming the switched power from the first upper switch (75) and the first lower switch (76);
First and second synchronous rectifier switches (84, 85) located on the secondary side of the first center tap transformer (80) and rectifying;
And a first output capacitor (41) connected to the first and second synchronous rectifier switches (84, 85) for rectifying an output voltage. The method according to any one of claims 1 to 5,
And a CAN (Controller Area Network) communication is used to control the output current constant between the plurality of converters.

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