KR100923154B1 - Signal lamp device that utilize Ligth Emitting Diode module and Ligth Emitting Diode arrangement structure of power supply circuit built-in type and these - Google Patents

Abstract

PURPOSE: A signal lamp device that utilize light emitting diode module and light emitting diode arrangement structure of a power supply circuit built-in type and using the same are provided to improve inconvenience by assembling an LED and a power supply circuit into one substrate. CONSTITUTION: A signal lamp device is composed of a substrate(11), an LED(12), a first Y-connected circuit, a second connection circuit(11b), and a power supply circuit(13). A plurality of LEDs are arranged on the substrate and they are connected with each other through the second connection circuit. The power supply circuit is arranged on a substrate and is connected with the plural LED through the first connection circuit. The power supply circuit supplies power to the plural LED. The first connection circuit is connected with the second connection circuit.

Description

Signal lamp device that utilizes Ligth Emitting Diode module and Ligth Emitting Diode arrangement structure of power supply circuit built-in type and these}

The present invention allows a light emitting device (LED) and a power supply circuit to be integrated into one substrate (PCB), as well as to improve the arrangement of the LED for integration and to configure a signal lamp on the other hand. The present invention relates to an LED module and an LED array structure integrated with a supply circuit, and a signal lamp device using the same.

LED, which is a light emitting device, has a linear light emission characteristic, and these LEDs are actively used in various fields (eg, traffic lights, lighting, etc.) with a long lifetime and low power consumption.

In this case, when the LED module is applied in the signal lamp or lighting field, DC power must be applied. Therefore, the LED module is connected to a power supply circuit applying a converter (AC / DC) for converting commercial power (AC 220V) to DC power. Was used.

That is, in the related art, as shown in FIGS. 1 and 2, a plurality of LEDs 1b are arranged on a single substrate PCB 1a at a predetermined interval d1 and then connected to each other. By connecting the power supply circuit 2 to the power supply line 3, the LEDs 1b arranged and connected to the substrate 1a can be emitted.

However, connecting the power supply circuit 2 to the board 1a of the LED module 1 through the power supply line 3 as described above may greatly design the layout of the product to which the LED module 1 is applied. Of course, there is a structural disadvantage, but there is an inconvenience to connect the power supply line 3 to the substrate (1a) by soldering.

For example, when the LED module 1 and the power supply circuit 2 are applied to a signal lamp, the conventional signal lamp main body secures a space in which the LED module 1 can be fixed and at the same time the power supply circuit 2 is applied. While it is necessary to secure a space for accommodating the power supply line 3 connecting the power supply circuit 2 and the substrate 1a of the LED module 1 with the power supply circuit 2 stored therein, Since it is necessary to solder or connect through a separate connector, there is a considerable difficulty in the soldering or connecting of the connector.

In addition, the arrangement of the LED (1b) at a predetermined interval on the substrate (1a) in consideration of the light emitting characteristics of the LED having a straightness, accordingly, the LED (1b) applied to the conventional traffic lights or lighting lamps to maximize the visual effect The number is bound to increase.

Accordingly, the present invention has been made to solve the above-mentioned conventional problems, and by minimizing the overall layout of the product to which the LED module is applied by configuring the LED module integrating the LED and the power supply circuit on one substrate. Of course, it is an object of the present invention to provide a power supply circuit-integrated LED module to improve the inconvenience of connecting the power supply circuit with a solder (or a connector) as in the prior art.

In addition, another object of the present invention is to provide an LED array structure in which the overall light emission characteristics of the LED can be displayed in the same manner as in the prior art by improving the arrangement structure of the LEDs formed on the substrate.

In addition, the present invention by applying the LED module to which the power supply circuit is integrated and at the same time configure the LED signal lamp to improve the LED array structure, while improving the management efficiency for maintenance of the LED signal lamp, it is possible to increase the visibility of the LED signal lamp Another object is to provide a traffic light device.

According to an aspect of the present invention, there is provided a power supply circuit integrated LED module comprising: a substrate on which a first connection circuit for a power supply and a second connection circuit for an LED are formed; A plurality of LEDs arranged on the substrate and connected to each other through the second connection circuit; And a power supply circuit arranged on the substrate and connected to each other through the first connection circuit and simultaneously connected to the plurality of LEDs to supply driving power to the plurality of LEDs. It is configured to include.

The second connection circuit may include a plurality of parallel lines connected to the first connection circuit and in which the LEDs and the corresponding resistors are connected in series.

In addition, the power supply circuit is configured on the same plane as the LED on the substrate.

In addition, the substrate includes a plurality of holes in which a power input terminal for applying external power to a power supply circuit and a control input terminal for controlling the application of driving power to the LED by the power supply circuit are fitted. First and second connection portions are formed around the plurality of holes, respectively.

On the other hand, the LED array structure of the substrate, the array of LEDs in the N column on the substrate, in the N column array structure, the plurality of LEDs are arranged at the first interval on the uppermost part and the lowermost portion, in the N column array structure And a plurality of LEDs arranged in a second interval and a third interval, respectively, between the uppermost and lowermost portions, wherein the first and second intervals are configured at the same interval, and the third interval is greater than the first and second intervals. It is narrowly constructed.

In addition, the LEDs arranged at the third interval are arranged at the edge of the substrate.

In addition, the LEDs forming the N-row array structure are arranged in a spiral line form without being arranged in a line along a horizontal line when they are distributed left and right with respect to a center line in each column.

On the other hand, the traffic light device using the LED module and the array structure, the main body formed a storage space; An LED module integrated with a power supply circuit received and fixed in the accommodation space; And a cover coupled to the front of the main body to which the LED module is received and fixed. It includes.

In addition, a plurality of terminal coupling portions are formed in the storage space of the main body, and the terminal coupling portions include a power terminal for supplying an external power source (AC 220V) to the power supply circuit, and an LED module by the power supply circuit. The control terminal for controlling the driving power supply of the coupling is configured.

In addition, a power signal line and a control signal line extending from a control panel are respectively connected to the power supply terminal and the control terminal located outside the main body.

In addition, the cover is composed of a translucent material.

In addition, the cover has a light diffusion unit for diffusing the light emitted from the LED module to the outside.

In addition, the light diffusion part includes a magnifying lens formed in an array of N on one surface of the cover.

In addition, the light diffusing portion includes a sawtooth pattern pattern located on the edge surface of the cover.

In addition, the N array structure of the magnifying lens is configured to match the N array structure of the LED included in the LED module.

In addition, the sawtooth pattern portion may be formed between the magnifier lens forming the N array.

The present invention is to allow the LED and the power supply circuit to be integrated into one PCB (PCB), as well as to improve the arrangement of the LED for integration, on the other hand to configure a traffic light, Through this, the overall layout of the product to which the LED module is applied can be miniaturized while eliminating the soldering (or connector) connection of the power supply line for connecting the power supply circuit and the board, thereby improving work efficiency, and even using a small number of LEDs. While the overall luminous characteristics of the can be seen as the conventional, while improving the management efficiency of the maintenance of the LED signal lamp can be expected to increase the visibility of the LED signal lamp.

Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings.

3 is a schematic plan view of the LED module according to the first embodiment of the present invention, FIG. 4 is a plan view of the LED module according to the first embodiment of the present invention, and FIG. 5 is an LED according to the first embodiment of the present invention. 6 is a bottom view of the module, and FIG. 6 is a block diagram of the second connection circuit according to the first embodiment of the present invention.

3 to 6, the LED module 10 according to the first embodiment of the present invention includes a substrate 11, an LED 12, and a power supply circuit 13.

The substrate 11 has a first connection circuit 11a for power supply and a second connection circuit 11b for LED, and the second connection circuit 11b is connected to the first connection as shown in FIG. In the state connected with the circuit 11a, the LED 12 and the resistor R corresponding thereto are composed of a plurality of parallel lines L1, L2, ..., Ln connected in series.

In this case, a plurality of power terminals for allowing external power to be applied to the power supply circuit 13 and control terminals for controlling the application of driving power to the LED by the power supply circuit are fitted into the substrate 11. Holes H1 and H2 are formed, and first and second connection portions 11c and 11d are formed around the holes H1 and H2, respectively.

Here, the first connection portion 11c is connected to the first connection circuit 11a to which the power supply circuit 13 is connected, and the second connection portion 11d is connected to the second connection circuit 11b. The connection is configured to be made.

The LEDs 12 are configured to be interconnected by the second connection circuit 11b after a plurality of the LEDs 12 are arranged in a specific pattern.

In this case, the plurality of LEDs 12 are arranged in N rows on the substrate 11, and the LEDs 12 at the uppermost part and the lowermost part are arranged at the first interval D11 in the N array structure. In the N array structures, the LEDs 12 positioned between the uppermost part and the lowermost part are arranged in a second gap D12 and a third gap D13, respectively.

Here, the first and second intervals D11 and D12 are equal intervals, and the third interval D13 is arranged at a narrower interval than the first and second intervals D11 and D12, that is, at very close intervals. This is to prevent the occurrence of shading occurring at the edge of the traffic light device when the LED module 10 is applied to the traffic light device described later when arranging the LEDs 12 on the edge of the substrate 11.

In addition, the LEDs 12 arranged in the first to third intervals D11, D12, and D13 are arranged in a line along a horizontal line when they are distributed left and right with respect to a center line in each column. Rather, it is arranged in an array that forms a deviation of the top and bottom in the form of a spiral line, in order to prevent the visibility of the LEDs 12 which may be generated by configuring the power supply circuit 13 on the substrate 11. .

Although not shown in the drawing, the power supply circuit 13 includes elements such as a conventional resistor, a capacitor, a power conversion unit (AC / DC converter), a transformer, a reactance, and the like. The circuit 11a is connected and is configured to supply driving power to a plurality of LEDs 12 arranged in the N columns in the same plane as the LEDs 12.

That is, the LED module 10 according to the first embodiment of the present invention is configured on the same plane of the various elements constituting the plurality of LEDs 12 and the power supply circuit 13 on the substrate 11, accordingly the LED module When (10) is applied to a specific field such as a traffic light or a lighting lamp, it has the advantage of greatly reducing the structure layout (eg thickness) of the field, as well as improving the work efficiency of joining or detaching the structure through modularization. It can create an effect that provides the convenience of.

On the other hand, Figure 7 to Figure 13 is a second embodiment of the present invention, which is applied to the LED structure 10 of the LED array 10 and the power supply circuit integrated structure described in the first embodiment of the present invention constitutes a traffic light device Accordingly, the same parts as in the first embodiment of the present invention will be denoted by the same reference numerals and redundant description thereof will be omitted.

That is, the traffic light apparatus according to the second embodiment of the present invention includes a main body 20, an LED module 10, and a cover 30.

An accommodating space A is formed in the main body 20, and a substrate 11 included in the LED module 10 is mounted on a bottom surface of the accommodating space A, and then the substrate 11 is formed of a screw. A plurality of bosses 21 are provided to protrude from the fastening operation, as well as a plurality of terminal coupling parts 22 and 23.

Here, each of the plurality of terminal coupling parts 22 and 23 has a power supply terminal 24 for supplying an external power source (AC 220V) to the LED module 10 of the power supply circuit integrated type, and the power supply circuit integrated type. The control terminal 25 is configured to control the supply of the driving power to the LED 12 included in the LED module 10 of the power supply terminal 24 and the control terminal located outside the main body 20 Reference numeral 25 denotes a power signal line and a control signal line extending from a control panel (not shown) of a signal lamp, respectively.

At this time, the power supply terminal 24 and the control terminal 25 is a plurality of holes (H1) formed in the substrate 11 included in the LED module 10 as described in the first embodiment of the present invention ( The power supply terminal 24 and the control terminal 25 are respectively connected to the first and second connecting portions 11c and 11d provided around the plurality of holes H1 and H2. This becomes possible.

The LED module 10 is accommodated in the storage space (A) is fixed by the fastening of the screw, which is a plurality of LEDs 12 and the power supply circuit 13 of the present invention integrated with the substrate 11 Since it has the same structure as in the first embodiment, the description thereof will be omitted.

The cover 30 is coupled to the front of the main body 20 in which the LED module 10 is received and fixed to diffuse the light to the outside during the light emitting operation of the LED module 10, the light diffusion on one surface Addition is configured.

The light diffusing unit is a magnifying lens 31 formed on one surface of the cover 30, the magnifying lens 31 is the N array structure of the LED 12 included in the LED module 10 and It consists of N arrays.

The light diffusing part may include a sawtooth pattern part 32 in addition to the magnifying lens 31.

That is, the sawtooth pattern portion 32 may be positioned on the edge surface of the cover 30 and between the magnifier lenses 31 forming the N arrays.

As described above, according to the second embodiment of the present invention, the structure (thickness) of the main body 20 can be designed small by applying the LED module 10 of the integrated power supply circuit. It can be provided.

That is, although not shown in the figure, the traffic light device has an outer case supported by the support, and the outer case is coupled to the rotatable front plate, while the front plate is rotated open, the power supply as a back cover to the front plate Assembling and combining the main body 20 to which the LED module 10 is formed integrally with the supply circuit.

At this time, one end of the power supply terminal 24 and the control terminal 25 is exposed to the rear surface of the main body 20, and the power signal line and the control signal line are fastened to the power supply terminal 24 and the control terminal 25. Configure the connection in a way.

That is, in the substrate 11 included in the LED module 10 of the integrated power supply circuit, a plurality of holes H1 and H2 having first and second connection parts 11c and 11d are formed around the substrate 11. The power terminals 24 and the control terminals 25, which are fitted to the terminal coupling portions 22 and 23 of the main body 20, respectively penetrate through the holes H1 and H2, and are electrically connected to each other.

When the power signal line and the control signal line are connected to the power terminal 24 and the control terminal 25 in a fastening manner on the rear surface of the main body 20, the power supply to the LED module 10, as well as the LED module It is possible to control the light emission pattern of the LEDs 12 included in (10).

In this case, when the light emitting operation of the LED module 10 is made, the light according to the light emitting operation is a light-receiving lens 31 which is a light diffusion part of the cover 30 coupled to the front of the opening side of the main body 20. Through the sawtooth pattern portion 32 is to be diffused to the outside without the shading of the edge.

Hereinafter, the present invention is not limited to the above specific preferred embodiments, and various modifications can be made by those skilled in the art without departing from the gist of the present invention as claimed in the claims. Of course, such changes are within the scope of the claims.

1 is a photograph showing a connection state of a conventional LED module and a power supply circuit.

Figure 2 is a plan view showing a connection state of a conventional LED module and a power supply circuit.

3 is a plan schematic view of an LED module according to a first embodiment of the present invention;

4 is a plan view of the LED module according to the first embodiment of the present invention.

5 is a bottom photo of the LED module according to the first embodiment of the present invention.

6 is a configuration diagram of a second connection circuit according to a first embodiment of the present invention.

7 is an exploded view showing the structure of a traffic light device to which the LED module according to the first embodiment of the present invention is applied.

8 is a coupling diagram showing the structure of a traffic light device to which the LED module according to the first embodiment of the present invention is applied.

9 is a plan view showing the structure of the main body in a second embodiment of the present invention.

Figure 10 is a schematic cross-sectional view showing the structure of the main body in a second embodiment of the present invention.

11 is a plan view showing a structure of a cover in a second embodiment of the present invention.

12 is a schematic cross-sectional view showing the structure of a cover in a second embodiment of the present invention;

FIG. 13 is a schematic view of the engagement section of FIG. 8 in a second embodiment of the present invention. FIG.

* Description of the symbols for the main parts of the drawings *

10; LED module 11; Board

11a; First connection circuit 11b; 2nd connection circuit

11c, 11d; First and second connections 12; LED

13; Power supply circuit 20; main body

21; Boss 22,23; Terminal coupling part

24; Power supply terminal 25; Control terminal

30; Cover 31; Magnifying lens

32; Serrated pattern portion A; space

D11, D12, D13; First, second, and third intervals H1, H2; hall

Claims (27)

A substrate on which a first connection circuit for a power supply and a second connection circuit for an LED are formed; A plurality of LEDs arranged on the substrate and connected to each other through the second connection circuit; And, A power supply circuit arranged on the substrate and connected to each other through the first connection circuit and simultaneously connected to the plurality of LEDs to supply driving power to the plurality of LEDs; And including The second connection circuit is configured to be connected to the first connection circuit. The second connection circuit is a power supply circuit integrated LED module, characterized in that composed of a plurality of parallel lines of LED and the corresponding resistance connected in series. delete The LED module of claim 1, wherein the power supply circuit is configured on the same plane as the LED on the substrate. The method of claim 1, wherein the substrate, A power input terminal for applying external power to a power supply circuit, and a plurality of holes into which a control input terminal for controlling the driving power supply to the LED by the power supply circuit is fitted; The LED module of the integrated power supply circuit, characterized in that each of the first and second connections are configured. According to claim 1, wherein the LEDs are arranged in N rows, the uppermost part and the lowermost part in the N-row array structure arranged a plurality of LEDs at a first interval, and the uppermost part in the N-row array structure And a plurality of LEDs are arranged in a second interval and a third interval, respectively, between the and lowermost portions, wherein the first and second intervals are configured at the same interval, and the third interval is configured to be narrower than the first and second intervals. LED module of the integrated power supply circuit. The LED module of claim 5, wherein the LEDs arranged at the third intervals are arranged at edges of the substrate. The method of claim 5, wherein the LEDs arranged in the N columns are arranged in a spiral line form, not arranged in a line along a horizontal line when distributed in left and right with respect to a center line in each column. LED module with integrated power supply circuit. A body having a storage space; An LED module integrated with a power supply circuit received and fixed in the accommodation space; And, A cover coupled to the front of the main body in which the LED module is received and fixed; And including A plurality of terminal coupling portion is formed in the storage space of the main body, The terminal coupling unit is configured to combine a power supply terminal for supplying an external power (AC 220V) to the power supply circuit, and a control terminal for controlling the drive power supply to the LED module by the power supply circuit. Traffic light device. delete The signal lamp device of claim 8, wherein a power signal line and a control signal line extending from a control panel are respectively connected to the power terminal and the control terminal located outside the main body. The signal lamp device of claim 8, wherein the cover comprises a light diffusion unit configured to diffuse light emitted from the LED module to the outside. 12. The traffic light apparatus according to claim 11, wherein the light diffusing part comprises a magnifying lens formed in N arrays on one surface of the cover. 12. The traffic light apparatus according to claim 11, wherein the light diffusion portion comprises a sawtooth pattern portion. 12. The traffic light apparatus according to claim 11, wherein the light diffusing part comprises a magnifying lens and a sawtooth pattern part formed in N arrays on one surface of the cover. 15. The traffic light apparatus according to claim 13 or 14, wherein the sawtooth pattern portion is located at the edge of the cover. 15. The traffic light device according to claim 12 or 14, wherein the N array structures of the magnifier-type lenses are configured to match the arrangement of the LEDs included in the LED module. 15. The traffic light apparatus according to claim 14, wherein the sawtooth pattern portion is formed between the magnifier lenses forming N arrays. The method of claim 8, wherein the LED module, A substrate on which a first connection circuit for a power supply and a second connection circuit for an LED are formed; A plurality of LEDs arranged on the substrate and connected to each other through the second connection circuit; And, A power supply circuit arranged on the substrate and connected to each other through the first connection circuit and simultaneously connected to the plurality of LEDs to supply driving power to the plurality of LEDs; Traffic light device, characterized in that comprising a. 19. The traffic light device according to claim 18, wherein the second connection circuit is composed of a plurality of parallel lines connected to the first connection circuit and connected in series with the LED and the corresponding resistor. 19. The traffic light device according to claim 18, wherein the power supply circuit is configured on the same plane as the LED on the substrate. 19. The apparatus of claim 18, wherein a plurality of holes are formed in the substrate, and external power is applied to a power supply circuit around each of the plurality of holes, and the first power is configured to transmit a signal for controlling the application of driving power to the LED. 2 make connections, And a power supply terminal and a control terminal are connected to the first and second connection portions, respectively. 19. The method of claim 18, wherein the LEDs are arranged in N columns that match the magnifier-shaped lens formed in N arrays, In the N-row array structure, a plurality of LEDs are arranged in the uppermost part and the lowermost part at first intervals, In the arrangement of the N columns, a plurality of LEDs are arranged at a second interval and a third interval, respectively, between the uppermost and lowermost portions, The first and second intervals are configured to be the same interval, the third interval is a traffic light device, characterized in that configured to be narrower than the first and second intervals. 23. The traffic light device according to claim 22, wherein the LEDs arranged at the third intervals are arranged at the edge of the substrate such that shading at the edge of the traffic light does not occur. 23. The method of claim 22, wherein the LEDs forming the array of N columns are arranged in a spiral line form without being arranged in a line along a horizontal line when distributed in left and right with respect to a center line in each column. Traffic light device. Arrange the LEDs in N rows on the board, In the N-row array structure, a plurality of LEDs are arranged in the uppermost part and the lowermost part at first intervals, In the arrangement of the N columns, a plurality of LEDs are arranged at a second interval and a third interval, respectively, between the uppermost and lowermost portions, The first and second intervals are configured to be the same interval, and the third interval is an LED arrangement, characterized in that configured to be narrower than the first and second intervals. 26. The LED arrangement of claim 25, wherein the LEDs arranged at the third intervals are arranged at an edge of the substrate. 26. The method of claim 25, wherein the LEDs forming the N-row array structure are arranged in a spiral line form without being arranged in a line along a horizontal line when distributed in left and right with respect to a center line in each row. LED array structure.

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