KR101626262B1

KR101626262B1 - Led lighting device having multiple smps

Info

Publication number: KR101626262B1
Application number: KR1020150183014A
Authority: KR
Inventors: 김상선
Original assignee: 김상선
Priority date: 2015-12-21
Filing date: 2015-12-21
Publication date: 2016-05-31

Abstract

The present invention relates to an LED lighting device having a plurality of power supply units, and more particularly, to an LED lighting device having a plurality of power supply units, A plurality of power supply units for driving the LEDs through the power supply unit at the first stage among the plurality of power supply units and for driving the LEDs through the power supply unit at the next stage when the power supply unit of the first stage fails to supply power, To a light emitting diode (LED) lighting device.

Description

TECHNICAL FIELD [0001] The present invention relates to an LED lighting device having a plurality of power supply units,

2. Description of the Related Art Generally, an LED lighting apparatus used for lighting purposes is provided with a power supply unit (SMPS) for controlling the intensity of input power to supply power to the LED.

This SMPS means a power supply device in the end of a Switched Mode Power Supply, and uses a switch control method for converting an AC power source to a DC power source by using a transistor or the like.

However, the above power supply device has a short lifetime of 3 to 4 years, and the LED having the power supply device has a useful life of about 10 years, which is longer than the power supply device.

Accordingly, there is a problem that the replacement of the power supply unit having a shorter life cycle is required to be repeated several times compared to the LED while using the LED lighting fixture.

In order to solve the above-described problem, it is desirable to extend the lifetime of the power supply unit or to apply the power supply unit to a plurality of the power supply units to match the lifetime of the LEDs. Technology is being developed.

Regarding this technique, Patent Publication No. 10-1169639 discloses an automatic switching power supply in an LED illumination device.

In the technology described above, a plurality of SMPSs that supply power to the LED illumination apparatus are installed, and when the main SMPS abnormality occurs, the power supply of the main SMPS is automatically shut off, and the main SMPS is stopped. To supply power more stably by driving the sub SMPS, and more particularly,

According to claim 1 of the present invention, a plurality of SMPSs are installed in order to supply a stable power to the LED illumination device, and when the main SMPS abnormality occurs, the power supply of the main SMPS is automatically interrupted, The automatic switching power supply apparatus includes first and second resistors R1 and R2 connected to an output terminal JP1 of the main SMPS, One end of the relay coil L1 in the relay RY1 is connected and the connection point of the third and sixth resistors R3 and R6 is connected to the relay coil L1 via the voltage detector Q1 and the switching element Q2. And a relay output terminal JP2 connected to the relay contacts 3 to 8 which are interrupted according to whether the relay RY1 is driven or not and the input and output terminals JP3 and JP4 of the sub SMPS Quot ;, and " It describes a circuit configuration of a power supply to enable the automatic switching of the device.

However, the above-described technique is not clear in order for the power supply to operate in applying a plurality of power supply units.

In spite of the above-mentioned researches, it is a disadvantage of the related art that there is no additional function that can be attained when a plurality of power supply units are applied.

For example, even if a plurality of power supply units are applied, a functional element for operation to a power supply unit positioned in the following order is required by reliably determining when a failure occurs in the power supply unit,

Also, in the case of a failure of the power supply unit, there is a permanent failure due to the end of life, but there may be a failure due to the temporary failure of the part. If the power supply is driven in the predetermined order as described above, There is a possibility that the order of usage is exceeded without proper judgment, and the problem of replacing can not be satisfied due to not fulfilling the life span.

Patent Registration No. 10-1169639 (Announcement of March 3, 2012)

SUMMARY OF THE INVENTION It is an object of the present invention to solve the conventional problem of periodically replacing an LED lighting device having a plurality of power supply units due to a power supply unit having a relatively short life span as compared with an LED, A plurality of power supply units for driving the LEDs through the power supply unit at the first stage among the plurality of power supply units and driving the LEDs through the power supply unit at the next stage when the power supply unit for the first stage fails to supply power, And an LED illumination device having a part.

According to an aspect of the present invention, there is provided an LED lighting apparatus including a plurality of power supply units, the power supply unit including a plurality of power supply units for receiving a commercial power supply, sequentially controlling the commercial power supply to be supplied to the power supply unit, A control unit for shutting off power supplied to the supply unit; A switch located at the next stage of the control unit and operated on or off under the control of the control unit; A power supply unit located at the next stage of the switch and receiving power from the control unit to supply power to the LED based on the received power; And a power output detection unit located at the next stage of the power supply unit and detecting whether or not there is a power supply output from the power supply unit and outputting the detected value as a detection value,

Wherein the plurality of power output detection units are connected to one LED module, and the control unit sequentially supplies the plurality of power supply output units to the plurality of power supply units, A power output control module for controlling power to be supplied; An unused-side switch control module for controlling a switch provided on an unused power supply unit end which is judged to have a failure among the plurality of power supply units turned on; And an unused-side sensing value receiving module for receiving a sensing value output from a power output sensing unit provided at a next stage of the unused-side power supply unit, wherein the power supply output control module controls the unused- When supplying power to the power supply unit, only a part of the power supplied to the normal power supply unit is supplied.

The LED lighting apparatus having a plurality of power supply units according to the present invention includes a plurality of power supply units so that even if a failure occurs before a power supply unit having a relatively short life span as compared with an LED, It is possible to prevent the inconvenience of replacing the power supply unit and the generation of the required cost.

FIG. 1 schematically shows a configuration of an LED illumination device having a plurality of power supply units according to the present invention.

The terms and words used in the present specification and claims should not be construed as limited to ordinary or dictionary meanings and the inventor can properly define the concept of the term to describe its invention in the best possible way And should be construed in accordance with the principles and meanings and concepts consistent with the technical idea of the present invention.

Therefore, the embodiments described in the present specification and the configurations shown in the drawings are merely the most preferred embodiments of the present invention and are not intended to represent all of the technical ideas of the present invention. Therefore, various equivalents And variations are possible.

Before describing the present invention with reference to the accompanying drawings, it should be noted that the present invention is not described or specifically described with respect to a known configuration that can be easily added by a person skilled in the art, Let the sound be revealed.

Hereinafter, an LED lighting apparatus having a plurality of power supply units according to the present invention will be described with reference to FIG. 1 of the accompanying drawings.

1 of the accompanying drawings, the present invention includes a control unit 10, a switch 20, a power supply unit 30, a power output detection unit 40, and LEDs, and the LEDs are configured in a module form.

At this time, the switch 20, the power supply unit 30, and the power output detection unit 40 may be provided as many as the number of the power supply units 30 are provided.

The number of the power supply units 30 may be a plurality of, preferably three to four. The plurality of power supply units 30 and the power output detection unit 40 are connected to one LED module.

Because the life span of a power supply (SMPS) is 3 to 4 years compared to a life span of 10 years for an LED, to be used without additional maintenance or replacement until the life of the LED is over, This is because the number of power supply units corresponding to the lifetime of the power supply unit is required.

The control unit 10 receives the commercial power supplied from the outside and sequentially controls the output of the commercial power to the power supply unit 30. The control unit 10 controls the power supply unit 30 30 of the power supply unit.

To this end, the control unit 10 may include a power output control module 11, a sensed value receiving module 12, and a switch control module 13,

The power output control module 11 functions to sequentially supply power to the power supply unit 30 having a plurality of supplied commercial power sources.

In this case, the commercial power source may be 220V. In this case, the power is sequentially supplied to the second power source (not shown) during the supply of power to the first power source (not shown) It is interpreted to mean that power is supplied to the second power supply unit if a failure occurs in the first power supply unit while the power is supplied to the first power supply unit and a failure occurs in the first power supply unit, And the power is supplied to the second power supply unit even if the power supply is reset and then supplied again.

In addition, since the first power supply unit or the second power supply unit described above is for the convenience of explanation of the plurality of power supply units described in the present invention, the first unit located at the first end is used for the first unit, It is used in the meaning of 'second', and the last can be used in the meaning of 'n'.

The sensing value receiving module 12 functions to receive the sensing value of the power output sensing unit 40. That is, the sensed value receiving module 12 outputs power to the power supply unit 30 located at the first end according to the order in which the power supply unit 30 outputs the power, The control unit 10 determines that the power supply unit 30 has failed.

In this case, the failure means that it can not perform the function of supplying power, and it may include a cause of life, functional failure, general error, etc. In other words, Should be interpreted.

The switch control module 13 controls the switch 20 provided at the end of the power supply unit 30 to which the control unit 10 intends to supply power according to the power output control module 11 and the sensed value reception module 12 .

That is, the switch 20 is turned on or off on the circuit under the control of the controller 10.

The power supply unit 30 is located at the next stage of the switch 20. When the power supply unit 30 receives power from the control unit 10, the power supply unit 30 converts the received AC power into a DC power and supplies power to the LED .

The power output detection unit 40 is located at the next stage of the power supply unit 30 and detects the presence or absence of power output from the power supply unit 30 and outputs the detected value as a detection value.

That is, the control unit 10 may determine that the corresponding power supply unit 30 can be used when the detection value of the power supply output from the power supply unit 30 is received according to the detection value of the power supply output detection unit 40 ,

If the power supply unit 30 receives a detection value indicating that no power is output, it can be determined that the power supply unit 30 has failed.

At this time, if it is determined that a failure has occurred in the power supply unit 30 (the first power supply unit), the control unit 10 controls the switch 20 to supply power to the power supply unit 30 .

In the above-described example of the LED illumination device having a plurality of power supply units according to the present invention, when a specified power supply unit 30 fails, the power supply unit located in the following order is used,

As another example, if a predetermined power is periodically supplied to the specified power supply unit 30 judged to have a failure and the detection value is received, it is determined that the power supply unit has reached the end of its life and a failure has occurred, To determine if the failure has occurred.

To this end, the control unit 10 may further include an unused-side switch control module and an unused-side sensed-value receiving module (not shown).

The unused-side switch control module controls the switch 20 provided on the unused-side power supply unit 30, which is not used among the plurality of power supply units 30, to be turned on.

The meaning of the unused side which is not used here means a power supply unit which is not used among the power supply units 30 whose order of use has passed. In other words, it means that the failure is judged and passed to the next power supply unit.

For example, when a failure occurs in the power supply unit as described above, the failure may occur due to the lifetime of the power supply unit. However, in the case of failure due to failure, the failure may be a temporary symptom Therefore, even if it is determined that the corresponding power supply unit does not output the power from the power output detection unit 40 located at the next stage of the power supply unit, it is necessary to once again determine the failure of the corresponding power supply unit.

In this case, when the switch provided at the unused power supply end of the unused-side switch control module is turned on, the power output control module 11 of the control unit 10 can supply only a part of the power supplied to the normal power supply unit 30 have.

In this case, a part of the power may be 10% of the power supplied to the normal power supply unit 30, which is not necessarily limited to this, but may be variously adopted depending on the design.

However, the reason why only a part of the power source is supplied as described above is to confirm whether the unused power source supply unit can receive the power source and output the power source, so if the power source of 100% is supplied, the power consumption will be unnecessarily increased to be.

The normal power supply unit 30 refers to the power supply unit 30 that is normally supplied with power according to the order determined by the control unit 10.

In the above case, the present invention may further include an unused-side sensing value receiving module (not shown) in the control unit 10, and the unused-side sensing value receiving module may be provided at the next stage of the unused- The power output detection unit 40 may receive the detection value output from the power output detection unit 40,

Accordingly, it is possible to prevent the power output detection unit 40 provided at the next stage of the normally-powered power supply unit 30 from being confused with and receiving the output value.

It should be understood that the present invention is not limited to the above-described embodiments, and various modifications may be made without departing from the scope of the present invention.

10:
11: Power output control module
12: Detection value receiving module
13: Switch control section
20: Switch
30: Power supply
40: Power output detection unit

Claims

A control unit receiving commercial power and controlling the commercial power to be sequentially output to the power supply unit and shutting off the power output to the power supply unit according to the detection value of the power output detection unit;
A switch located at the next stage of the control unit and operated on or off under the control of the control unit;
A power supply unit located at the next stage of the switch and receiving power from the control unit to supply power to the LED based on the received power; And
And a power output detection unit located at the next stage of the power supply unit and detecting whether or not there is power output from the power supply unit and outputting the detected value as a detection value,
The switch, the power supply unit,
And a plurality of optical fibers,
Wherein the plurality of power output detecting units are connected to one LED module,
Wherein,
A power output control module for controlling the power to be sequentially supplied to the plurality of power supply units;
An unused-side switch control module for controlling a switch provided on an unused power supply unit end which is judged to have a failure among the plurality of power supply units turned on; And
And an unused-side sensing value receiving module for receiving a sensing value outputted from a power output sensing unit provided at a next stage of the unused-side power supply unit,
Wherein the power supply control module supplies only a part of the power supplied to the normal power supply when the power supply control module supplies power to the unused power supply through the unused switch control module. Device.

The method according to claim 1,
Wherein,
A sensed value receiving module for receiving sensed values of the power output sensing unit; And
And a switch control module for controlling a switch provided at an end of a power supply unit to which the control unit is to supply power according to the power supply output control module and the sensed value reception module. Lighting device.

The method according to claim 1,
Wherein,
If it is determined that a failure has occurred in the power supply unit corresponding to the power output detection unit according to the detection value of the power output detection unit,
And supplies power to the power supply unit located in the next step.

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