KR101047438B1 - LED socket integrated lamp driving device - Google Patents

Abstract

The present invention relates to an LED socket-integrated lamp driving device, in particular, the upper case is coupled to the upper case with the lens installed on the upper side of the lower case, the substrate portion inside the upper and lower cases, for lighting on the upper surface of the substrate portion The LED is installed, and a pair of power terminals are coupled from the upper side of the upper case to the inside of the substrate so that the upper portion thereof is exposed to the outside, and the power terminal is connected to the first contact portion and the second substrate at the top. The contact parts are formed to protrude to different heights to form a socket, and the PCB is formed by forming a coupling part that is rotatably fitted in contact with the first contact part and the second contact part on the upper and lower surfaces, and drives the LED on the PCB substrate. It characterized in that the drive circuit for forming.

According to the present invention, by using the first and second contact portions provided at different heights in the socket on which the LED is mounted, the socket can be easily coupled to the PCB substrate in a rotatable manner regardless of the vertical direction. Since the power is naturally supplied to the LED through the contact part, the LED can be driven stably, the flexibility of circuit configuration can be secured, and the structure of the socket where the LED is installed can be integrated to improve the durability and performance of the product. You can expect the effect.

LED, socket, PCB board, power terminal, contacts, lens, guide ring,

Description

LED socket integrated lamp driving device {Lamp driving device}

The present invention relates to a lamp driving device integrated with an LED socket, and more particularly, in the construction of a lamp device used to illuminate a vehicle interior, using first and second contacts installed at different heights in a socket equipped with LEDs. The LED socket integrated lamp can be driven stably because the socket can be easily coupled to the PCB board regardless of the up and down direction, and power is naturally supplied to the LED through the first and second contact parts. Relates to a device.

Inside the vehicle, there is a beam-shaped lamp that is used to brighten the interior of the vehicle or read a book.

Conventionally, bulbs (small bulbs) have been used as light sources for each lamp, but now, LEDs that provide bright light with low power consumption as light sources are mainly used.

However, the conventional lamp is difficult to integrate the socket to which the LED is mounted and the PCB board for power supply, and is provided in a structure in which the board and the socket are connected by wires in separate states, so the installation of the product is not only cumbersome, but also the LED There is a problem in that the life of the LED used as a light source is shortened because it does not provide a driving circuit capable of driving more stably.

Therefore, the present invention for solving the above problems can be easily rotatably coupled to the PCB substrate regardless of the vertical direction by using the first and second contacts installed at different heights in the socket on which the LED is mounted, It is an object of the present invention to provide an LED socket-integrated lamp driving device capable of driving the LED stably since power is naturally supplied to the LED through the first and second contact parts.

According to an aspect of the present invention,

The upper case of which the lens is installed at the center of the lower case is coupled to the upper case, the substrate part is installed inside the upper and lower cases, the lighting LED is installed on the upper surface of the substrate part, and the substrate part from the upper side of the upper case. Insert a pair of power terminals inward so that its upper part is exposed to the outside,

The power terminal is configured so that the first contact portion and the second contact portion for protruding at different heights to be connected to the PCB substrate on the upper portion, forming a socket,

The PCB substrate is formed by forming a coupling portion that is rotatably fitted in a state in which the first contact portion and the second contact portion are in contact with the upper and lower surfaces,

The PCB substrate is characterized in that the driving circuit for driving the LED is formed.

According to the present invention, by using the first and second contact portions provided at different heights in the socket on which the LED is mounted, the socket can be easily coupled to the PCB substrate in a rotatable manner regardless of the vertical direction. Since the power is naturally supplied to the LED through the contact part, the LED can be driven stably, the flexibility of circuit configuration can be secured, and the structure of the socket where the LED is installed can be integrated to improve the durability and performance of the product. You can expect the effect.

Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings, FIGS. 1 to 8.

The terms defined in describing the present invention have been defined in consideration of the functions of the present invention and should not be construed to limit the technical elements of the present invention.

According to the drawings, the present invention is composed of a socket (1) in which the LED (L1) is installed, a PCB substrate (6) for supplying driving power to the LED (L1), and a driving circuit installed in the PCB substrate (6) do.

The socket (1) is coupled to the upper case 5, the lens 51 is installed in the center to the upper side of the lower case (2), and the substrate portion (3) inside the upper and lower cases (5) (2) Internally, a lighting LED (L1) is installed on the upper surface of the substrate portion (3), and a pair of power terminals (4) from the upper side of the upper case (5) into the substrate portion (3) inside the upper portion. Is coupled so as to be exposed to the outside, the power supply terminal 4 is configured so that the first contact portion 43 and the second contact portion 46 to be connected to the PCB substrate 6 on the upper side to protrude at different heights. .

On the outer circumference of the lower case 2, the engaging protrusion 21 is formed to protrude outward in a plurality of places, and at the lower end of the upper case 5, the engaging portion 54 is caught and coupled to the engaging protrusion 21. Is formed.

Accordingly, the upper case 5 is lowered from the upper side of the lower case 2 so that the locking portion 54 is hooked to the locking protrusion 21 so that the upper case 5 is coupled to the lower case 2.

At this time, the substrate portion 3 is installed inside the case 2 and 5, wherein the substrate portion 3 is formed by stacking the lower substrate 31 and the upper substrate 32 at predetermined intervals, and the upper substrate. LED (L1) is installed on the upper surface of (32), the insertion hole 33 for the lower end of the power supply terminal (4) is formed at both edges of the lower substrate 31 and the upper substrate (32).

In addition, a lens 51 for diffusing or concentrating the light of the LED L1 installed on the upper substrate 32 is fitted in the upper center of the upper case 5, and the lens 51 is installed therein. Depending on the application, a convex lens 52 for concentrating the light of the LED L1 as shown in FIG. 4A or a concave lens 53 for diffusing the light of the LED L1 as shown in FIG. 4B may be used.

On the other hand, the power supply terminal 4 is inserted through the fitting hole formed in the upper portion of the upper case 5, as shown in Figure 2, the lower end is fitted into the fitting hole 33 formed in the substrate portion (3) The fitting part 41 is fitted into the fitting hole 33 of the substrate part 3, and the first terminal part 42 and the second terminal part 45 are branched to the upper part of the fitting part 41. The first contact portion 43 is bent horizontally on the upper portion of the first terminal portion 42, and the second contact portion 46 is bent horizontally on the upper portion of the second terminal portion 45. The forming heights of the 43 and the second contacting portions 46 are different from each other, and the first and second bending portions 44 and the second bending portions are respectively formed in the middle portions of the first and second contact portions 43 and 46. 47 is formed so that the mechanical contact strength with the terminal surface 65 to be rearranged is improved.

In addition, the PCB 6 is formed by forming a coupling part 61 that is rotatably fitted in a state in which the first contact part 43 and the second contact part 46 are in contact with each other on the upper and lower surfaces.

The coupling portion 61 forms a coupling hole 62 into which the lens 51 portion of the socket 1 is fitted on the PCB 6, and at the edge of the coupling hole 62 on the upper and lower surfaces or one surface thereof. A guide ring 64 having a terminal surface 65 for power supply is formed, and the first contact portion 43 or the second contact portion 46 of the socket 1 passes in the middle of the guide ring 64. By forming a flow groove 63 for the socket 1 is configured to be easily fitted in the lower or upper side of the PCB substrate (6).

Meanwhile, in the present invention, the driving circuit designed on the PCB 6 may be implemented in a resistance method, a bipolar method, and a constant current method as shown in FIGS. 6 to 8.

The resistive driving circuit is shown in FIG. 6,

A capacitor (C1) for smoothing the input commercial power, a diode (D1) for rectifying the smoothed power supply to the driving power of the LED (L1), and an output terminal of the LED (L1) for supplying to the LED (L1). Characterized in that it comprises a resistor (R1 ~ R4) to determine the amount of current to be made.

In this resistance type driving circuit, the input commercial power is smoothed by the capacitor C1, rectified by the diode D1, and supplied to the LED L1. At this time, the amount of current supplied to the LED L1 is the resistance R1 to It is determined by R4) and the LED L1 can be controlled to be turned on with a stable current supply.

As shown in FIG. 7, the bipolar driving circuit is shown in FIG.

A capacitor C1 for smoothing the input commercial power, a bridge diode BD1 for full-wave rectifying the smoothed power supply to the driving power of the LED L1, and an LED L1 at the output terminal of the LED L1. It is characterized by consisting of resistors (R1 ~ R4) to determine the amount of current supplied to.

The bipolar drive circuit is stable because the commercial power is smoothed by the capacitor C1, and then full-wave rectified by the bridge diode BD1, and the current value determined by the resistors R1 to R4 is supplied to the LED L1. It is possible to control the lighting of the LED (L1).

In addition, the constant current driving circuit is shown in Figure 8,

A capacitor C1 for smoothing the input commercial power, a bridge diode BD1 for full-wave rectifying the smoothed power supply to the driving power of the LED L1, and a voltage supplied from the bridge diode BD1. A resistor that determines the amount of current supplied to the LED (L1) and the constant current (U1) for converting the constant current so that the current is supplied to the LED (L1) to supply to the LED (L1) and the output terminal of the LED (L1) ( It is characterized by consisting of R1 to R4).

In this constant current driving circuit, the power source, which is full-wave rectified by the bridge diode BD1, is converted into a constant value of a constant value by the constant current device U1 and is always supplied to the LED L1 in a constant state. ) Can be driven to be able to control the lighting of the LED (L1) most stably.

Referring to the operation and effects of the present invention configured as described above are as follows.

Referring to the process of assembling the socket (1) of the present invention, as shown in Figure 2 is installed on the upper surface of the lower case 2, the substrate portion (3) on which the LED (L1) is mounted, the lower portion The upper case 5 is fitted into the upper part of the case 2 to be coupled.

The plurality of power supply terminals 4 are fitted to the upper side of the upper case 5, and the fitting portion 41 of the power supply terminal 4 is inserted through a fitting hole formed in the upper portion of the upper case 5 to insert the fitting portion. 41 is fitted into the fitting hole 33 formed in the lower substrate 31 and the upper substrate 32 forming the substrate portion (3).

When the fitting portion 41 of the power supply terminal 4 is inserted into the fitting hole 33, the catching piece 48 formed in the middle portion of the fitting portion 41 is the upper substrate of the substrate portion 3 ( 32) The first terminal portion 42 and the first and second contact portions 43 and 46 of the second terminal portion 45, which are fixed while being caught by the bottom portion and branched to the upper portion of the fitting portion 41, mutually. It is installed to be exposed to the upper portion of the upper case 5 to another height.

The power supply terminal 4 is electrically connected to the LED L1.

When the coupling of the socket 1 is completed as described above, the socket 1 is inserted into the PCB substrate 6, and when the socket 1 is installed on the PCB substrate 6, the socket is shown in FIG. The socket 1 is brought into close contact so that the lens 51 of (1) is fitted into the coupling hole 62, and then the socket 1 is rotated in one direction after the first contact portion 43 passes through the flow groove 63. Let's do it.

When the socket 1 is rotated in one direction, as shown in FIG. 5, the first contact portion 43 and the second contact portion 46 are in contact with the terminal surface 65 provided on the inside and the outside of the guide ring 64. As the first and second contacts 43 and 46 are rotated in the state of being fitted into the guide ring 64, the socket 1 is mechanically and firmly coupled to the PCB 6. The first and second contact portions 43 and 46 are in electrical contact with the terminal surfaces 65 formed on the upper and lower surfaces of the guide ring 64, respectively, to supply power to the LED L1. Will be able to supply to.

In addition, the first and second bent portions 44 and 47 are formed at the middle portions of the first and second contact portions 43 and 46, respectively, so that the first and second contact portions 43 and 46 may be coupled to the coupling portion 61 with stronger bonding force. The effect of improving the contact ratio between the terminal surface 65 and the first and second contact portions 43 and 46 can be expected.

In the present invention, the first and second contact portions 43 and 46 are formed at different heights in the socket 1, and the first and second contact portions 43 and 46 are formed on the PCB substrate 6. Since the coupling is inserted into the upper and lower surfaces of the guide ring 64 of the socket 1 can be easily coupled to the upper and lower sides of the PCB substrate (6).

1 is a perspective view showing an LED socket applied to the present invention.

Figure 2 is an exploded perspective view showing an LED socket applied to the present invention.

3 is a view showing a bonding process of the present invention.

4 is a view showing an embodiment of a lens applied to the present invention.

5 is a cross-sectional view showing a state in which the socket of the present invention is installed on a PCB substrate.

6 is a circuit diagram showing a resistance driving circuit applied to the present invention.

7 is a circuit diagram showing a bipolar driving circuit applied to the present invention.

8 is a circuit diagram showing a constant current driving circuit applied to the present invention.

Explanation of symbols for main parts of the drawings

1: socket, 2: lower case,

3: board part, 4: power supply terminal,

5: upper case, 6: PCB substrate,

21: jamming part, 31: lower substrate,

32: upper substrate, 33: fitting hole,

41: fitting portion, 42: first terminal portion,

43: first contact portion, 44: first fold portion,

45: second terminal portion, 46: second contact portion,

47: second fold, 48: locking piece,

51: lens, 61: coupling portion,

62: coupling hole, 63: flow groove,

64: guide ring, 65: terminal surface,

L1: LED, D1: Diode,

C1: condenser, U1: constant current,

Claims (9)

The upper case 5 having the lens 51 installed at the center of the lower case 2 is coupled to the upper case 5, and the substrate part 3 is embedded inside the upper and lower cases 5 and 2. The lighting LED L1 is installed on the upper surface of the upper part 3, and a pair of power terminals 4 are inserted from the upper side of the upper case 5 into the substrate part 3 so that the upper part thereof is exposed to the outside. Combine, The power terminal 4 is configured such that the first contact portion 43 and the second contact portion 46 protrude to different heights to be connected to the PCB substrate 6 on the upper portion thereof, thereby forming a socket 1. The PCB 6 is formed by forming a coupling portion 61 which is rotatably fitted in a state where the first contact portion 43 and the second contact portion 46 are in contact with each other on the upper and lower surfaces thereof. LED board integrated lamp driving device, characterized in that formed on the PCB board a driving circuit for driving the LED (L1). The lower substrate 31 and the upper substrate 32 are stacked and formed at predetermined intervals, and the LED L1 is installed on the upper surface of the upper substrate 32. LED socket integrated lamp driving device, characterized in that the insertion hole 33 for the lower end of the power supply terminal (4) is formed at both edges of the substrate 31 and the upper substrate (32). 3. The power supply terminal (4) according to claim 1 or 2, wherein the power supply terminal (4) has a fitting portion (41) to be fitted into the fitting hole (33) of the substrate portion (3). The first terminal part 42 and the second terminal part 45 are branched, and the first contact part 43 is horizontally bent on the upper part of the first terminal part 42, and the second terminal part 45 is formed on the second terminal part 45. LED contact type lamp driving device, characterized in that the contact portion 46 is bent horizontally formed, the formation height of the first contact portion 43 and the second contact portion 46 is different from each other. 3. The LED integrated lamp according to claim 2, wherein a first bent portion (44) and a second bent portion (47) are formed at intermediate portions of the first contact portion (43) and the second contact portion (46), respectively. Drive system. The method of claim 1, wherein the coupling portion 61 forms a coupling hole 62 into which the lens 51 portion of the socket 1 is fitted on the PCB substrate 6, wherein the edge of the coupling hole 62 is formed. A guide ring 64 having a power supply terminal surface 65 is formed on the upper or lower surface thereof, and the first contact portion 43 or the second contact portion of the socket 1 in the middle of the guide ring 64. LED socket integrated lamp driving device, characterized in that the 46 is formed by the flow groove (63) to pass through so that the socket (1) can be easily fitted in the lower or upper side of the PCB substrate (6). The LED socket according to claim 1, wherein the lens 51 applies a convex lens 52 for concentrating the light of the LED L1 or a concave lens 53 for diffusing the light of the LED L1. Integral lamp drive. The method of claim 1, wherein the driving circuit A capacitor (C1) for smoothing the input commercial power, a diode (D1) for rectifying the smoothed power supply to the driving power of the LED (L1), and an output terminal of the LED (L1) for supply to the LED (L1). LED socket-integrated lamp driving device, characterized in that consisting of resistors (R1 ~ R4) for determining the amount of current to be. The method of claim 1, wherein the driving circuit A capacitor C1 for smoothing the input commercial power, a bridge diode BD1 for full-wave rectifying the smoothed power supply to the driving power of the LED L1, and an LED L1 at the output terminal of the LED L1. LED lamp integrated lamp driving device comprising a resistor (R1 ~ R4) for determining the amount of current supplied to the. The method of claim 1, wherein the driving circuit A capacitor C1 for smoothing the input commercial power, a bridge diode BD1 for full-wave rectifying the smoothed power supply to the driving power of the LED L1, and a voltage supplied from the bridge diode BD1. The constant current unit U1 converts into a constant current so that the current is supplied to the LED L1 and supplies it to the LED L1, and the resistor R1 which is installed at the output terminal of the LED L1 to determine the amount of current supplied to the LED L1. LED socket integrated lamp drive device characterized in that consisting of ~ R4).

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