KR101061222B1 - LED lighting device - Google Patents

Abstract

The present invention relates to an LED lighting device using a high brightness LED light source in the luminaire.

First holders respectively provided at both ends of the luminaire; And a second holder; A first electrode unit provided as a pair in the first holder; And a second electrode unit provided as a pair in the second holder. The first electrode unit; And a first electrode pin (Pin) provided as a pair in a first cap (Cap) at both ends of a lamp that is matched and inserted into each of the second electrode units. And second electrode pins provided in pairs in the second cap. And a first input power supply connected to the first electrode to supply a normal high frequency alternating current (AC) voltage output from a ballast to a lighting device provided in the lamp. A second input power supply connected to the second electrode; And a first rectifying unit rectifying the high frequency AC voltage supplied through the first input power unit. And a second rectifying unit rectifying the high frequency AC voltage supplied through the second input power unit. The first rectifying unit; And generating a driving voltage for driving the direct current (DC) voltage rectified through the second rectifying unit to the LED light source in which at least one LED light source is disposed in at least one of a series, a parallel, and a serial parallel to a light source array. Let; Blocking the drive voltage from being supplied to the LED light source when the drive voltage is equal to or higher than the voltage set by the voltage setting unit; A high voltage blocking unit for supplying the driving voltage to the LED light source when the driving voltage is less than or equal to the voltage set by the voltage setting unit; Characterized in that it comprises a.

Therefore, the present invention can be used by simply replacing the LED lighting device of the present application without removing the ballast employed in the existing fluorescent lamps, it is possible to reduce the installation cost, significantly reducing the power loss compared to the conventional fluorescent lamps To reduce the cost.

Luminaire, lighting, ballast, LED light source, high voltage

Description

LED lighting device {LED LIGHTING DEVICE}

The present invention relates to an LED lighting device, and more specifically, in a fluorescent lamp for lighting a fluorescent lamp (ballast stabilizer) by using a conventional ballast (ballast stabilizer), a high-brightness LED (Light Emitting) instead of the fluorescent lamp Diode, hereinafter referred to as "LED") relates to an illumination device equipped with a light source equipped with a light source so that the LED light source can emit light.

Recently, the world has depended on only limited resources such as electricity, gas, and oil, and the shortage of petroleum energy is gradually realized, while the price of oil is continuously rising, and Due to the increase of greenhouse gases, the environmental pollution problem has been raised seriously, and efforts to reduce the emission of carbon dioxide (CO₂) as much as possible in order to prevent global warming are being accelerated by taxation.

Accordingly, interest in energy saving is increasing nationwide, and in particular, high brightness LEDs (LEDs) are used in order to save electric energy by significantly reducing power loss in the lighting field, and to solve environmental problems. Emitting Diode) The development of various lighting devices using light sources is actively progressing.

In general, fluorescent lamps applied to lighting luminaires mainly installed in industries such as homes are widely used because they have longer lifespan and lower power consumption than incandescent lamps. However, these fluorescent lamps have a choke coil type ballast. Compared to the glow start type and the rapid start type, the spread of the power supply is more excellent in terms of power saving effect.

However, as the LED lighting device newly developed as a part of Green Energy appears at this time, as described above, all the fluorescent lamps already installed as mentioned above are removed and the LED lighting device is removed. Re-installation is an undesirable problem because of the enormous waste in terms of cost.

The present invention for solving the conventional problems as described above, in the fluorescent lamp for lighting a fluorescent lamp (ballast stabilizer) by employing a conventional ballast (ballast stabilizer), a high-brightness LED (Light Emitting Diode) instead of the fluorescent lamp It is an object of the present invention to make it possible to emit light by simply mounting a lighting device having a light source.

As a means for solving the problems of the present invention as described above, the first holder and the second holder are respectively provided on both ends of the luminaire, the first electrode portion and the second pair provided in the first holder Characterized in that the second electrode portion provided in pairs in the holder is configured.

In addition, the first electrode pin (Pin) and the second cap provided in pairs in the first cap (Cap) to both end portions of the lighting lamp that is matched (inserted) and installed respectively in the first electrode portion and the second electrode portion It characterized in that it comprises a second electrode pin (Pin) provided in a pair in the Cap.

Further, a first input power supply unit connected to the first electrode unit and a second input unit connected to the second electrode unit to supply a normal high frequency alternating current (AC) voltage output from a ballast to an illumination device provided in the lamp. Characterized in that the power supply is configured.

And a first rectifying unit rectifying the high frequency AC voltage supplied through the first input power supply unit and a second rectifying unit rectifying the high frequency AC voltage supplied through the second input power supply unit. It is characterized by that.

In addition, the direct current (DC) voltage rectified through the first rectifying unit and the second rectifying unit in the light source array (array) to one or more LED light source to drive the LED light source arranged in at least one of serial, parallel, or parallel. The driving voltage is generated to generate a driving voltage, but when the driving voltage is greater than or equal to the voltage set by the voltage setting unit, the driving voltage is blocked from being supplied to the LED light source. It is characterized by including a high voltage cut-off unit for supplying a voltage to the LED light source.

Hereinafter, the objects and solutions to the present invention will become more apparent from the detailed description of the various embodiments shown in the accompanying drawings.

As such, the present invention can be used by simply replacing the LED lighting device of the present application without removing the ballast employed in the existing fluorescent lighting fixtures, as well as reducing the installation cost, compared to the conventional fluorescent lamps, the power loss is reduced. Provides significant savings.

In describing a specific embodiment of the present invention, it is illustrated by the drawings of the present invention, the configuration and operation thereof will be described as at least one embodiment, whereby the technical spirit of the present invention and its core General configurations and operations should not be limited.

For reference, in designating reference numerals in the drawings to be described in the present invention, it should be noted that the same components are given the same reference numerals as much as possible, even if shown in different drawings.

Hereinafter, a lighting apparatus using an LED light source, which is a high brightness light emitting diode (LED) of the present invention, will be described in detail with reference to the accompanying drawings.

1 is a view showing an embodiment in which the lighting device according to the present invention is installed in a lighting fixture, Figure 2 is an embodiment showing a circuit configuration of a lighting device built-in installed in the lamp in Figure 1 according to the present invention It is a block diagram.

Looking at the overall main components for the LED lighting device of the present invention as a means for solving the problem of the present invention, it comprises a luminaire 1000 is equipped with a lamp 100 equipped with a high brightness LED light source.

First, the luminaire 1000 includes a conventional fluorescent lamp equipped with an electronic ballast or a choke coil type ballast provided with a ballast stabilizer 1300. Is done.

Both ends of the lamp 1000 are configured with a pair of first support 1100 and a second support 1200 for supporting the lamp 100 of the present invention.

In addition, a first holder (1110) and a second holder (Holder) 1210 for mounting the lamp 100 is configured to the first support 1100 and the second support 1200, respectively. It is done.

In addition, the first holder 1110 and the second holder 1210 may include a first cap 110 and a second cap 120 at both ends of the lamp 100. The first electrode pins (111) (111a) and the second electrode pins (Pin) (121) (121a) provided in pairs are respectively matched (inserted) and inserted into the first electrode portion (1111) 1111a and second electrode portions 1211 and 1211a.

In this case, the first holder 1110 and the second holder 1210 are elastic force is generated by a separate elastic member such as a spring (Spring), so that the first electrode pin (111) (111a) and the first By allowing the two electrode pins 121 and 121a to be supported by the elastic force, the lamp 100 may not be easily removed or damaged from the lamp 1000 due to an impact or the like.

Next will be described the configuration of the lamp 100 mounted to the lamp 1000 according to the present invention.

First, a first holder 1110 and a second holder 1210 respectively provided at both ends of the luminaire 1000 are configured, and a pair of first electrode parts 1111 (1111) provided in the first holder 1110 ( 1111a and the second electrode part 1211 and 1211a provided as a pair in the second holder 1210 include the first electrode part 1111 and 1111a and the second electrode part 1211. The first electrode pins 111, 111a, and the first electrode pins provided in pairs on the first caps 110 at both ends of the lamp 100 that are respectively matched and inserted into the 1211a. It is characterized in that it comprises a second electrode pin (Pin) (121, 121a) provided in pairs in the two cap (120).

In addition, the first electrode unit 1111 and 1111a are connected to the lighting device 500 provided in the lamp 100 to supply a normal high frequency AC voltage output from the ballast 1300. A second input power source 620 is connected to the first input power source 610 and the second electrode parts 1211 and 1211a.

In addition, a filament (not shown) provided in the first cap 110 of the conventional fluorescent lamp (Lamp) to connect the ballast 1300 and the closed circuit to the first input power supply 610. At least one dummy coil (L1) (L2) made of an active element functioning to the first electrode pin (111) (111a), respectively, and thus the first electrode portion (1111). In parallel with 1111a, the second input power supply 620 is also provided on the second cap 120 side of a conventional fluorescent lamp to connect the ballast 1300 and a closed circuit. At least one dummy coil (L3) (L4) made of an active element functioning as a filament (not shown) is connected to the second electrode pin (121) (121a). It is characterized in that it is connected to the second electrode portions 1211 and 1211a in parallel.

The dummy coils L1-L4 may be made of an inductance inductance coil or a reactance coil.

The first rectifier 710 and the second input power source 620 rectify the normal high frequency alternating current (AC) voltage supplied through the first input power source unit 610 to a direct current (DC) voltage. The second rectifier 720 for rectifying the conventional high frequency AC voltage is a direct current (DC) voltage is characterized in that it is configured.

In addition, at least one LED on the printed circuit board (410) of the light source array (900) of the direct current (DC) voltage rectified through the first rectifying unit 710 and the second rectifying unit 720 Generate various driving voltages (for example, 80 to 450 V) required to drive the LED light source 910 disposed in at least one of series, parallel, and parallel to the light source 910, wherein the driving voltage is set to a voltage. If the driving voltage is greater than or equal to the voltage set by the unit 810, the driving voltage is blocked from being supplied to the LED light source 910, and if the driving voltage is lower than or equal to the voltage set by the voltage setting unit 810, the driving voltage is set to the LED light source. It characterized in that it comprises a high voltage blocking unit 800 to supply to (910).

In this case, the driving voltage is formed by the arrangement of the LED light source 910 disposed on the PCB 410 of the light source array unit 900, that is, by a matrix connection method using a series, parallel, or parallel-parallel combination. In addition to the arrangement, it will vary depending on the required quantity of the LED light source 910 disposed on the PCB 410.

In other words, if the normal driving voltage for one LED light source 910 is a direct current (DC) 3.2V, and it is assumed that 100 LED light sources 910 are arranged in series on the PCB 410, The overall driving voltage should be supplied with a direct current (DC) 320V.

Meanwhile, as mentioned above, the light source array unit 900 in which the LED light source 910 is disposed is installed inside the lamp 100, and then a semi-circular light diffusing member coupled to the heat sink 300 ( It is characterized in that the first cap (Cap) 110 and the second cap (Cap) 120 for covering and fixing the cover 200 on both sides.

Of course, the arrangement type (Array Type) for the LED light source 910 may be arranged in various forms such as a line or a circle, a polygon, a zigzag type.

Here, as shown in Figure 4 on the inner surface of the light diffusing member 200 is formed a variety of structured light diffusion means 250, such as triangular, rectangular, polygonal, semi-circular, etc., the LED light source ( It will be desirable to be able to diffuse the light emitted from 910 more widely in the front direction.

When the driving voltage is less than or equal to the voltage set by the voltage setting unit 810, the high frequency alternating current (AC) voltage input from the first electrode parts 1111 and 1111a to the first input power supply part 610 is first. Rectified to DC voltage through the rectifier 710 and supplied to the LED light source 910 disposed in the light source array unit 900 through the high voltage blocking unit 800, the second input via the second rectifier 720 It is characterized in that the output to the second electrode portion 1211 (1211a) through the power supply 620.

Similarly, when the driving voltage is less than or equal to the voltage set by the voltage setting unit 810, the high frequency AC voltage input from the second electrode units 1211 and 1211a to the second input power unit 620 is the second rectifying unit 720. Rectified by a DC voltage through the high voltage blocking unit 800 is supplied to the LED light source 910 disposed in the light source array unit 900, the first input power supply unit 610 via the first rectifying unit 710 It is characterized in that it is output to the first electrode portion (1111) (1111a) through.

Next, a circuit configuration of the lighting device 500 provided in the lamp 100 according to the present invention will be described in detail with reference to FIG. 3.

First, a first high electrode pin in which a normal high frequency AC voltage having a positive (+) component outputted from the (terminal A) side of the ballast 1300 is connected to the first electrode portions 1111 and 1111a as an electrical signal. Through at least one of the dummy coils L1 and L2 of the plurality of dummy coils L1 and L2 provided in the first power input unit 610 via the 111 and 111a, the rectifier 700 is connected to the rectifier 700. The rectifying action is performed at a DC voltage by being input to the first rectifying unit 710 provided by the high frequency rectifying diode D1.

Similarly, the normal high frequency AC voltage output from the ballast 1300 passes through the second electrode pins 121 and 121a connected as electrical signals to the second electrode portions 1211 and 1211a. A high frequency is input to the second rectifying unit 720 provided in the rectifying unit 700 through at least one of the dummy coils L3 and L4 of the plurality of dummy coils L3 and L4 included in the 620. The rectifying action is performed by a rectifying diode (D2) for the DC voltage, and the rectified DC voltage is rectified in the first rectifying part 710 and the second rectifying part 720 included in the rectifying part 700 again. C5) is smoothed to a positive (+) and a negative (-) voltage to supply the positive (+) power terminal 711 and the negative (-) power terminal 712 of the high voltage breaking unit 800, respectively. do.

Subsequently, the DC voltage supplied to the high voltage blocking unit 800 is positive (+) through a collector (not shown), which is an output terminal of the switching element Q3, and a light source array unit 900. It is characterized in that it is supplied to the plus (+) terminal (not shown) of the LED light source 910 disposed in the).

In other words, the high frequency AC voltage output from the ballast 1300 is provided through the junction points 611 of the plurality of dummy coils L1 and L2 provided in the first power input unit 610. The voltage is rectified by the DC voltage and smoothed through the smoothing capacitor C5 and then divided by the voltage dividing resistors R1 and R2 provided in the high voltage breaker 800.

In this case, the high voltage blocking unit 800 includes a voltage setting unit 810 formed by a zener diode which is a high voltage setting element Z1 connected between the voltage divider R1 and R2 and the voltage divider R1 and R2. When the first rectifying unit 710 and the second rectifying unit 720 are supplied from the first rectifying unit 710 and the second rectifying unit 720, a driving current flows through the base terminal of the switching element Q1 (not shown. ) Is turned on so that the bias current of the switching element Q2 is supplied through the resistor R4 connected to the collector (not shown) of the switching element Q1. Drop to the negative power terminal 712 through the collector and the emitter (not shown.).

Accordingly, the bias current of the switching element Q3 according to the off operation of the switching element Q2 is cut off, and thus the switching element Q3 turns off. A high voltage is blocked from being supplied to the LED light source 910 disposed in the 900, thereby protecting the LED light source 910.

If a voltage equal to or lower than the voltage set in the voltage setting unit 810 is supplied from the first rectifying unit 710, the switching element Q1 is turned off to operate the switching element through the resistor R4. The switching element Q2 is turned on by flowing a bias current of Q2), and then through a resistor R6 connected to a collector (not shown) of the switching element Q2. As the bias current of the switching element Q3 flows and the switching element Q3 is turned on, a driving voltage is supplied to the LED light source 910 disposed in the light source array unit 900. The LED light source 910 emits light, and at the same time, the driving current flowing through the LED light source 910 passes through the high frequency rectifying diode D4 provided in the second rectifying unit 720. Is discharged through one of the dummy coils L3 and L4 provided in the second electrode part 121. 1) 1211a and the (B terminal) of the ballast 1300.

On the other hand, on the other hand, the second electrode in which a normal high frequency AC voltage having a positive component (+) output from the (B terminal) side of the ballast 1300 is connected to the second electrode portions 1211 and 1211a by an electrical signal. Rectification unit 700 through at least one of the dummy coils L3 and L4 among the plurality of dummy coils L3 and L4 provided in the second power input unit 620 via pins 121 and 121a. Rectification is input to the second rectifying unit 720 provided in the) by the high-frequency rectifying diode (D2).

Of course, since the operation of the high voltage blocking unit 800 is the same principle as described above, a detailed description thereof will be omitted. Similarly, the voltage below the voltage set in the voltage setting unit 810 is equal to the second rectifying unit 720. When supplied from the LED, a driving voltage is supplied to the LED light source 910 disposed in the light source array unit 900 so that the LED light source 910 emits light and at the same time a driving current flowing through the LED light source 910. Is discharged through any one of the dummy coils L1 and L2 provided in the first power input unit 610 via the high frequency rectifying diode D3 provided in the first rectifying unit 710 to allow the first electrode unit ( 1111) 1111a and the ballast A terminal of the ballast 1300.

On the other hand, a commercial 220V AC voltage is supplied to the electronic ballast 1300 provided in the luminaire 1000, but the commercial AC voltage is converted into an output through the ballast 1300. The rectification for the AC voltage of about 80 to 450 V is performed by the high frequency rectifying diode D1 provided in the first rectifying unit 710 of the rectifying unit 700 and the high frequency rectifying diode D2 provided in the second rectifying unit 720. It may be desirable to rectify to a DC voltage to generate and supply the driving voltage of the LED light source 910.

In addition, as another embodiment, the voltage generated for driving the LED light source 910 through the first rectifying unit 710 and the second rectifying unit 720 as described above does not go through the high voltage blocking unit 800 again. In other words, the high voltage blocking unit 800 is omitted (or "deleted") by a circuit configuration through the positive (+) power terminal 711 and the negative (-) power terminal 712 to the light source array 900 By directly supplying the disposed LED light source 910 it will be possible to cause the LED light source 910 to emit light.

In addition, as shown in FIG. 3, when a negative voltage is applied to the first rectifying unit 710 by a momentary surge voltage from the outside, the light source array unit 710 is applied. The high voltage cut-off unit 800 and the diode which is a blocking element D5 for blocking the inflow of the surge voltage supplied to the LED light source 910 disposed in the 900 to protect the LED light source 910 from high voltage. The light source array unit 900 is connected in parallel.

It will be apparent to those skilled in the art that various changes, modifications, and the like can be made without departing from the technical spirit of the present invention through the above description.

Therefore, the technical scope of the present invention should not be limited to the contents described in the embodiments as mentioned, but should be defined by the claims of the present invention.

1 is a view showing an embodiment in which a lighting device according to the present invention is installed in a lighting fixture.

FIG. 2 is a block diagram illustrating an example of a circuit configuration of a lighting apparatus installed in a lamp according to the present invention.

3 is a circuit diagram illustrating an exemplary embodiment of a lighting apparatus in detail according to the present invention.

Figure 4 is a cross-sectional view showing an embodiment showing a partially cut off the lighting device provided with an LED light source according to the present invention.

Explanation of symbols on the main parts of the drawings

1000: Luminaire

1100: first support

1200: second support

1110: first holder (Holder)

1210: Second holder (Holder)

1111 and 1111a: first electrode part

1211 and 1211a: second electrode portion

1300: Ballast

100: lighting

110: first cap

120: second cap

111, 111a: first electrode pin

121, 121a: second electrode pin

200: light diffusion member

250: light diffusion means

410: PCB

300: heat sink

500: lighting device

610: first power input unit

611, 621: junction

620: second power input unit

700: rectifier

710: first rectifying unit

711: Plus power stage

712: negative power

720: second rectifier

800: high voltage breaker

810: voltage setting section

900: light source array

910: LED light source

Claims (6)

First holders 1110 provided at both ends of the luminaire 1000; And a second holder 1210; First electrode parts 1111 and 1111a provided in pairs in the first holder 1110; And second electrode portions 1211 and 1211a provided in pairs in the second holder 1210. The first electrode parts 1111 and 1111a; And first electrode pins 111 and 111a provided in pairs on the first cap 110 at both ends of the lamp 100 which are respectively matched to and inserted into the second electrode portions 1211 and 1211a. And second electrode pins 121 and 121a provided in pairs on the second cap 120. And, A first input connected to the first electrode parts 1111 and 1111a to supply a normal high frequency AC voltage output from the ballast 1300 to the lighting device 500 provided in the lamp 100. A power supply unit 610; And a second input power supply unit 620 connected to the second electrode units 1211 and 1211a. And a first rectifying unit 710 for rectifying the high frequency AC voltage supplied through the first input power supply unit 610. And a second rectifying unit 720 rectifying the high frequency AC voltage supplied through the second input power supply unit 620. The first rectifying unit 710; And at least one LED light source 910 arranged in at least one of a series, parallel, and parallel in parallel with the direct current (DC) voltage rectified through the second rectifying unit 720 in the light source array unit 900. Generates a driving voltage to block the driving voltage so that the driving voltage is not supplied to the LED light source 910 when the driving voltage is higher than the voltage set by the voltage setting unit 810, and the driving voltage is set to the voltage setting unit. A high voltage blocking unit 800 for supplying the driving voltage to the LED light source 910 when the voltage is lower than the voltage set at 810; Including, At least one dummy coil L1 and L2 are connected to the first electrode part 1111 and 1111a in parallel to the first input power source 610 to connect the ballast 1300 and the closed circuit. The second input power source 620 is configured by connecting at least one dummy coil L3 and L4 in parallel to the second electrode parts 1211 and 1211a in order to connect the ballast 1300 and the closed circuit. LED lighting device. delete delete delete delete delete

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