KR101021885B1 - Ac power led lighting module - Google Patents

Abstract

The present invention, when the LED module is applied to the channel sign (sign: signboard), indoor, outdoor interior, etc., in consideration of the purpose of application, structural situation, etc., so that the light is emitted at the maximum extended angle and maximum efficiency, the converter The present invention relates to an AC power LED lighting module incorporating an angle-of-view extension lens that realizes LED lighting driven by alternating current by controlling the number of LEDs and a simplified rectification circuit without a dedicated circuit configuration.

To this end, the present invention, the mounting device is mounted and mounted with an LED element; An LED driving circuit unit receiving an external AC power source to drive the LED elements and providing a desired voltage to each LED element; The mounting bracket has a rotating shaft projection for projecting the light emitted by the LED element at various angles, and the pivot ring is rotated by the rotation shaft projection is inserted into the mounting surface corresponding to the point where the mounting shaft projection is formed. And an angle adjusting unit equipped with the LED driving circuit unit; a power supply unit for receiving an AC power to be a driving source of the device from the outside; A rectifier for rectifying the input power by a bridge rectifier circuit; The LED driver receives the power rectified by the rectifying unit to drive the LED element, and the LED driver for driving the LED element by a desired voltage by connecting a plurality of LED elements and resistors corresponding to the input power in series. .

Angle of View Expansion Lens, LED, Lighting Module

Description

AC POWER LED LIGHTING MODULE

The present invention relates to an AC power LED lighting module.

In detail, the present invention, when the LED module is applied to the channel sign (sign: signboard), indoor, outdoor interior, etc., in consideration of the purpose of application, structural situation, etc., so as to emit light with the maximum extended angle and maximum efficiency The present invention relates to an AC power LED lighting module capable of implementing LED lighting driven by alternating current by adjusting the rectified circuit and the number of LEDs without going through a dedicated circuit configuration such as a converter and a converter.

It is well known that the LED module includes an LED which emits a specific color with light by supplying an electric power and a signal, and a circuit configuration for processing power, a signal, and the like inputted to the LED.

Such an LED module is being actively applied in the field of implementing a sign for advertising a specific company and lighting of interior and exterior.

In this regard, the present applicant implements a configuration that can adjust the emission angle of the light in Patent Application No. 2006-1827 (LED module having a light emission angle control function, hereinafter, the invention), and observes the installation object It has been proposed an LED module that emits light of high luminance regardless of the angle of view point and emits light of higher luminance even when installed in a small number.

As described above, the present application includes: a light emitting unit in which an LED element is mounted and disposed, and an LED circuit unit implemented as a circuit for emitting the LED element is installed on the upper side; The light emitting unit is coupled to the lower side of the light emitting unit to enable angular rotation, and comprises an angular rotation unit fixedly installed in the installation object.

By this configuration, the present invention, the light emitted from the LED element is emitted at an optimal angle in the installation object to ensure the high brightness of the light.

On the other hand, the LED lighting is accompanied by an A / D converter for converting the AC power input to the DC power source due to the characteristic that the LED element is driven by the DC current of the appropriate voltage.

The A / D converter as described above includes a transformer coil for stepping down alternating current, and such a transformer coil is disposed at a considerable size in the LED module, which causes a problem in that a product to which it is applied is enlarged.

In order to solve the above problems, a power supply device called a switching mode power supply (SMPS) is recently applied.

For reference, the SMPS converts an alternating frequency (50 Hz to 60 Hz) into a direct current to be used at a high frequency (several tens to hundreds of Hz), and thus requires a high level of difficulty. In addition, by maximizing the power utilization rate by PWM (Pulse Width Modulation) method that converts frequency, it has high competitiveness and high stability compared to the existing method in terms of efficiency and economic efficiency.

The above-described application of the present invention can control the light emission angle of the LED, while the angle of view (light emission angle) of the LED device itself is not large, there is a limitation in improving the efficiency of light emission. In addition, the present invention is difficult to apply to the small size of the channel sign, such as the size of the larger, the increase in the number of joint parts for adjusting the angle, the problem of deterioration of time delay and productivity due to the inconvenience of assembly work is exposed do. In addition, the present invention has a problem that the size of the product is large because of the large size and the large number of parts are consumed high manufacturing cost.

In addition, in spite of the advantages described above, the SMPS applied for power supply to the LED lighting as described above is very expensive, so the frequency of application to the LED module requiring simple lighting is very low. At the same time, since the SMPS itself is also quite large compared to the size of the LED module, there is a problem in miniaturization of the LED module, which makes it difficult to miniaturize the product itself.

The present invention has been invented to solve the above problems.

Accordingly, the present invention, the LED element itself in the configuration of the LED module to emit light at the maximum extended angle and maximum efficiency, it is possible to implement the LED lighting driven by alternating current by the adjustment of the simplified rectifier circuit and the number of LEDs. The purpose is to provide an LED lighting module.

In order to achieve the above object, the present invention has the following configuration.

The present invention provides a mounting table in which the LED element is mounted; An LED driving circuit unit receiving an external AC power source to drive the LED elements and providing a desired voltage to each LED element; The mounting bracket has a rotating shaft projection for projecting the light emitted by the LED element at various angles, and the pivot ring is rotated by the rotation shaft projection is inserted into the mounting surface corresponding to the point where the mounting shaft projection is formed. And an angle adjusting unit equipped with the LED driving circuit unit; a power supply unit for receiving an AC power to be a driving source of the device from the outside; A rectifier for rectifying the input power by a bridge rectifier circuit; The LED driver receives the power rectified by the rectifying unit to drive the LED element, and the LED driver for driving the LED element by a desired voltage by connecting a plurality of LED elements and resistors corresponding to the input power in series. .

In addition, the present invention is configured to further include an angle of view expansion lens having an extension groove formed therein to expand the angle of view of the light emitted from the LED element is coupled to the end of the light emitted from the LED element.

At this time, the power supply unit is configured to include a fuse for blocking the power input, when the excessive AC power exceeds the rating from the outside. In particular, the present invention is configured to further include a controller to control the driving brightness of the LED device by controlling the input amount of current through the PWM control. In addition, the LED driving unit is configured by connecting a plurality of pairs in parallel with a plurality of LED elements and a series connected configuration of the resistance.

On the other hand, the pivot ring has an inner circumference of at least a length of at least half around the rotation axis projection, the end formed longer than half the length of the rotation shaft projection is formed of an open elastic body is configured to elastically push the rotation shaft projection. .

In addition, the present invention is formed on the outer circumferential surface of the rotation shaft projection radially one or more locking projections, a plurality of locking grooves are formed on the inner circumferential surface of the pivot ring to be correspondingly coupled is configured to stepping the mounting step by angle. In particular, the pivot ring is extended to the outside while maintaining the rounded end to fit the rotary shaft projection.

As described above, the present invention, the angle of view of the LED element itself is extended, the light is emitted at the maximum efficiency as the angle of light emission can be adjusted, and also applied to a small channel sign by a more compact size It is possible to improve the availability, and by the simpler configuration can be produced at a lower cost to lower the unit price of the product, thereby obtaining the effect of improving the sales efficiency of the product.

Furthermore, the present invention does not require a configuration such as a trans coil or a dedicated SMPS in the configuration for implementing the LED lighting, so that the product can be further miniaturized, and the manufacturing cost is reduced by a more simplified circuit configuration, thereby providing a consumer's product. Satisfaction can be improved, and productivity can be increased by producing a product more quickly.

An embodiment to which the present invention as described above is applied will be described in detail with reference to the accompanying drawings.

1 is an exploded perspective view of an LED lighting module according to the present invention, Figure 2 is a side view of the LED lighting module according to the present invention.

Referring to the drawings, the LED lighting module according to the present invention has a basic configuration consisting of the mounting table (1), LED driving circuit unit (2), angle of view expansion lens (3), angle adjusting unit (4). At this time, the angle adjuster 4 is installed by connecting the mounting table 1 and the mounting surface 5, the mounting surface 5 is the upper surface of the base 6 in the drawing.

Here, the base 6 is a plate-shaped member in the state in which the angle adjusting portion 4 is installed on the installation surface 5, the inner side of the channel sine, or nails or screws on the wall or bottom surface of the structure to implement the interior, It is configured to be bonded by an adhesive or the like. That is, the base 6 is a configuration that may be excluded when the angle adjuster 4 is installed directly on the inner surface of the channel sign or the wall or bottom surface of the structure.

The mounting table 1 is configured in the form of a plate on which the LED element 31 is mounted. At this time, the LED element 31 is flickered by the LED driving circuit unit 2 or the brightness of light is adjusted.

3 is a circuit diagram of the LED driving circuit unit of the LED lighting module according to the present invention.

Referring to the drawings, the LED driving circuit unit 2 is composed of a power supply unit 10, rectifier 20, LED driver 30.

The power supply unit 10 is configured to receive an AC power source 11 that is a driving source of the device from the outside. At this time, the external AC power source 11 is a 220V power source used as a Korean standard in this embodiment, and accordingly, the number of LED elements 31 of the LED driver 30 to be described later is specified.

In particular, the power supply unit 10 as described above includes a fuse 12 for shutting off the external power in a specific situation. Here, the specific situation refers to a situation in which an excessive AC power source 11 exceeding the rating is input from the outside due to an unforeseen factor such as a short circuit.

The rectifier 20 is composed of a diode circuit for rectifying the input power. At this time, the diode circuit is applied to the bridge rectifier circuit (21).

The LED driver 30 includes a plurality of LED elements 31 and resistors 32 connected in series to the aforementioned 220V power source. The LED driver 30 is configured to drive the LED element 31 to a desired voltage by receiving the power rectified by the rectifier 20.

That is, as shown in the drawing, when the external AC voltage is input at 220V and the driving voltage of the LED element 31 is 3.2V, 60 LED elements 31 are disposed so that the voltage of 192V is the LED element 31. ), And the remaining 8V voltage is applied to the resistor to obtain a stable circuit.

In addition, in order to further expand the LED driver 30, a plurality of LEDs 31 and a plurality of resistors 32 are connected in series, and a plurality of pairs are connected in parallel.

LED lighting configured as described above is configured to include a controller 40 to adjust the brightness of the LED device 31 when driving. At this time, the controller 40 is configured to control the input brightness of the current through PWM (pulse width modulation) control to adjust the driving brightness of the LED element 31.

Referring back to FIGS. 1 and 2, the angle of view extension lens 3 is configured to extend the light emission angle of the LED element 31. Such an angle of view extension lens 3 is coupled to the light emitting end of the LED element 31, the expansion groove (3a) is formed in the form of "V" inside the light emitted from the LED element 31 is horizontal in the drawing It is configured to be discharged by extending the above angle.

At this time, the angle at which the light is emitted is at least 180 ° ~ 250 °, which is the angle extended by reflecting the light of the LED element 31 to the surface of the expansion groove (3a) of the angle of view expansion lens (3) You get

Figure 4 is an enlarged view of the angle control unit of the LED lighting module according to the present invention.

Referring to the drawings, the angle adjuster 4 is constituted by the combination of the rotation shaft projection 50 formed on the mounting table 1 and the pivot ring 60 mounted on the mounting surface 5 of the base 6. .

Here, the rotating shaft protrusion 50 is formed to protrude on one side or both sides of the mounting table 1 in a configuration for adjusting the light emitted by the LED element 31 at various angles. In particular, the rotary shaft projection 50 may be integrally injection-molded with the same material as the mounting table 1, but is manufactured by inserting a high-strength material such as metal and then inserted into the insert 1 during the injection molding of the mounting table 1 Integral to increase the strength of the angle adjuster (4).

The pivot ring 60 is mounted at the point of the mounting surface 5 corresponding to the rotary shaft projection 50 of the mounting table (1). The pivot ring 60 is formed while maintaining the inner circumferential diameter corresponding to the diameter of the rotation shaft projection 50 so that the rotation shaft projection 50 is inserted and rotated.

In particular, the pivot ring 60 is open at one side of the circumference. This, the pivot ring 60 has an inner circumference of a length at least longer than half the length around the rotation axis projection 50, the end formed in the remaining circumferential section, that is, longer than half length around the rotation axis projection 50 It means that it is formed of an open elastic body. Due to this, the rotary shaft protrusion 50 can be simply mounted by pushing through the opening of the pivot ring 60.

In addition, the pivot ring 60 is extended to the outside while maintaining the round shape of the open end for fitting the rotary shaft projection (50). In this configuration, when the rotary shaft protrusion 50 is inserted into the pivot ring 60 in a narrow section of work, such as a channel sign, the rotary shaft protrusion 50 extends only when the rotary shaft protrusion 50 arrives at a proximal point of the pivot ring 60. It can be easily mounted along the surface.

In addition to the configuration described above, the locking projection 51 and the pivot ring 60 is formed with a locking projection 51 and the locking groove 61, respectively. At this time, the locking projection 51 and the locking groove 61 is a configuration that can be selectively formed in each of the rotation axis projection 50 and the pivot ring 60, in this embodiment, the rotation shaft projection 50 The engaging projection 51 is formed in the), and the pivot groove 60 is presented a configuration in which the engaging groove 61 is formed.

The locking protrusion 51 is formed on the outer circumferential surface of the rotation shaft protrusion 50 radial number of 1 or more (eight in the figure), the locking groove 61 is formed in a plurality of numbers on the inner circumferential surface of the pivot ring 60 do.

By such a configuration, the rotating shaft protrusion 50 is stepped and rotated by angle by the locking action with the locking groove 61, so that the light emitted from the LED element 31 disposed on the mounting table 1 has various angles. Can be maintained.

1 is an exploded perspective view of the LED lighting module according to the present invention.

2 is a side view of the LED lighting module according to the present invention.

3 is a circuit diagram of the LED driving circuit unit of the LED lighting module according to the present invention.

Figure 4 is an enlarged view of the angle control unit of the LED lighting module according to the present invention.

<Explanation of symbols for the main parts of the drawings>

1: Mounting table 2: LED drive circuit

3: angle of view extension lens 4: angle adjuster

6: base 10: power supply

20: rectifier 30: LED driver

40: control unit 50: rotation axis projection

60: pivot ring

Claims (8)

A mounting table 1 on which the LED element 31 is mounted; An LED driving circuit unit 2 receiving an external AC power to drive the LED element 31 and providing a desired voltage to each LED element 31; The mounting shaft 1 protrudes from the rotating shaft protrusion 50 so that the light emitted by the LED element 31 can be adjusted at various angles, and corresponds to the point at which the rotating shaft protrusion 50 of the mounting table 1 is formed. The rotating shaft projection 50 is inserted into the installation surface 5 is an angle adjusting unit 4 is mounted with a pivot ring 60 so that it can be rotated, the LED driving circuit unit 2 is a drive source A power supply unit 10 that receives the AC power source 11 from the outside; A rectifier 20 for rectifying the input AC power by a bridge rectifier circuit 21; The rectifier 20 receives the rectified power to drive the LED element 31, and the plurality of LED elements 31 and the resistor 32 corresponding to the input power are connected in series to the LED element by a desired voltage. It includes; LED driver 30 for driving 31, It further includes an angle of view expansion lens (3) is formed in the expansion groove (3a) therein to extend the angle of view of the light emitted from the LED element 31 is coupled to the light emitting end of the LED element (31), The pivot ring 60 has at least an inner circumference of a length longer than a half length of the rotation shaft protrusion 50, and an end portion formed longer than half the length of the rotation shaft protrusion 50 is formed of an open elastic body so that the rotation shaft protrusion 50 is formed. AC power LED lighting module, characterized in that configured to be able to push elastically. delete The method of claim 1, wherein the power supply unit 10 AC power LED lighting module, characterized in that it comprises a fuse (12) to cut off the power input when the excessive AC power is exceeded from the outside is input. The method of claim 1, AC power LED lighting module, characterized in that it further comprises a controller 40 to control the input brightness of the current through the PWM control to adjust the driving brightness of the LED element (31). The method of claim 1, The LED driving unit 30 is an AC power LED lighting module, characterized in that a plurality of pairs are connected in parallel with a set of a plurality of LED elements 31 and a series connected configuration of the resistor (32). delete The method of claim 1, One or more locking protrusions 51 are formed on the outer circumferential surface of the rotary shaft protrusion 50, and a plurality of locking grooves 61 are formed on the inner circumferential surface of the pivot ring 60 corresponding to the mounting shaft 1. AC power LED lighting module, characterized in that configured to rotate stepping. The method of claim 1 or 7, wherein the pivot ring 60 is AC power LED lighting module, characterized in that the open end for fitting the rotary shaft projection 50 is extended to the outside while maintaining a round shape.

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