KR20120056914A - Power connecter for a LED lamp - Google Patents

Power connecter for a LED lamp Download PDF

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Publication number
KR20120056914A
KR20120056914A KR1020100081142A KR20100081142A KR20120056914A KR 20120056914 A KR20120056914 A KR 20120056914A KR 1020100081142 A KR1020100081142 A KR 1020100081142A KR 20100081142 A KR20100081142 A KR 20100081142A KR 20120056914 A KR20120056914 A KR 20120056914A
Authority
KR
South Korea
Prior art keywords
circuit board
printed circuit
pin
terminal portion
soldering
Prior art date
Application number
KR1020100081142A
Other languages
Korean (ko)
Inventor
유수엽
Original Assignee
유수엽
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 유수엽 filed Critical 유수엽
Priority to KR1020100081142A priority Critical patent/KR20120056914A/en
Publication of KR20120056914A publication Critical patent/KR20120056914A/en

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V19/00—Fastening of light sources or lamp holders
    • F21V19/001—Fastening of light sources or lamp holders the light sources being semiconductors devices, e.g. LEDs
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/70—Coupling devices
    • H01R12/71—Coupling devices for rigid printing circuits or like structures
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R33/00—Coupling devices specially adapted for supporting apparatus and having one part acting as a holder providing support and electrical connection via a counterpart which is structurally associated with the apparatus, e.g. lamp holders; Separate parts thereof
    • H01R33/05—Two-pole devices
    • H01R33/06—Two-pole devices with two current-carrying pins, blades or analogous contacts, having their axes parallel to each other
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
    • H05K2201/10—Details of components or other objects attached to or integrated in a printed circuit board
    • H05K2201/10007—Types of components
    • H05K2201/10106—Light emitting diode [LED]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S362/00—Illumination
    • Y10S362/80—Light emitting diode

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)

Abstract

The present invention relates to a power connector for an LED lamp that allows a simple and robust coupling between the printed circuit board and the connection pins, while preventing separation between the printed circuit board and the connection pins. A printed circuit board on which a power supply circuit is printed; A pair of connection pins provided at one side of the printed circuit board; A pair of mounting grooves formed on one side of the printed circuit board corresponding to an end of the connecting pin, a terminal portion of a metal material attached to an inner circumference of the mounting groove, and the printed circuit board along both outer sides of the terminal portion A pin coupling part for coupling the connection pin to the printed circuit board, including a plurality of inflow holes formed therethrough and a soldering portion formed by soldering the inlet hole, the terminal portion, and the end of the connection pin; Includes.

Description

Power connector for LED lamps {Power connecter for a LED lamp}

The present invention relates to a power connector for the LED lamp for connecting the power to the LED lamp, and more particularly, to facilitate the separation between the printed circuit board and the connection pin while making a simple and robust coupling between the printed circuit board and the connection pin. It relates to a power connector for the LED lamp to be prevented.

LED (Light Emitting Diode) is smaller and longer lifespan than the conventional light source, and because the electric energy is directly converted to light energy, it consumes less power and has a characteristic of emitting high brightness with excellent energy efficiency.

Therefore, various lamps using such LEDs have been developed. In recent years, small LED lamps compatible with existing incandescent lamp sockets or 12V small halogen lamp sockets have gained great response.

As shown in Figure 6 to 8, the conventional LED lamp (L) has a built-in power connector to be connected directly to a conventional power socket, such a power connector is a power supply circuit for controlling the power supply Is printed on the printed circuit board 100, a pair of connection pins 200 provided on one side of the printed circuit board 100 and directly connected to a power socket, and corresponding to the ends of the connection pins 200 Soldering portion 302 is formed by soldering in a state in which an end of the connecting pin 200 is disposed on a terminal portion 301 formed on an upper surface of one side of the printed circuit board 100 to the printed circuit board 100. It includes a pin coupling portion 300 for coupling the connection pin 200.

The power connector having such a structure serves to connect power to the LED lamp (L) while the connection pin 200 is inserted into the normal power socket.

However, the above-described conventional techniques have the following problems.

The end of the connection pin is simply fixed by soldering in a state in which the end of the connection pin is disposed on the upper surface of the terminal, so that the connection pin is applied to the connection pin when the connection pin is inserted and detached into the power socket several times during installation and dismounting of the LED lamp. There is a problem in that the solder joint of the pin coupling portion is easily damaged by external force and is separated, thereby easily separating the printed circuit board and the connection pin.

As described above, the separation of the printed circuit board and the connection pin causes a poor power supply connection and is a major cause of rapidly deteriorating the lifetime of an expensive LED lamp.

The present invention has been made to solve the above-mentioned problems,

SUMMARY OF THE INVENTION An object of the present invention is to provide a power connector for an LED lamp that allows a simple and robust coupling between a printed circuit board and a connecting pin to be easily prevented from being separated between the printed circuit board and the connecting pin.

In addition, another object of the present invention is to provide a power connector for the LED lamp to fix the metal plate is fixed to the terminal portion to significantly improve the bonding strength between the printed circuit board and the connecting pin while the soldering operation is made easier by fixing between the terminal portion and the metal plate. In providing.

In order to achieve the above object of the present invention, the "LED lamp power supply connector" according to the present invention is a power connector for LED lamps; A printed circuit board on which a power supply circuit is printed to control the power supply; A pair of connection pins provided at one side of the printed circuit board; A pair of mounting grooves formed on one side of the printed circuit board corresponding to an end of the connecting pin, a terminal portion of a metal material attached to an inner circumference of the mounting groove, and the printed circuit board along both outer sides of the terminal portion A pin coupling part for coupling the connection pin to the printed circuit board, including a plurality of inflow holes formed therethrough and a soldering portion formed by soldering the inlet hole, the terminal portion, and the end of the connection pin; It is characterized by including.

In addition, the pin coupling portion, characterized in that it further comprises an insertion member formed at the end of the connection pin to be inserted and fixed to the terminal portion.

The present invention has a simple and robust coupling is made between the printed circuit board and the connecting pin, the separation between the printed circuit board and the connecting pin is prevented smoothly.

In addition, the present invention has an effect that the metal plate is fixed to the terminal portion to significantly improve the bonding strength between the printed circuit board and the connecting pin, and the soldering operation is more easily performed by fixing between the terminal portion and the metal plate.

1 is a partially exploded perspective view of a power connector according to the present invention;
2 is a longitudinal sectional view of main parts of the power connector according to FIG. 1;
3 is a front sectional view of main parts of the power connector according to FIG. 1;
4 is a partially exploded perspective view of a power connector according to another embodiment of the present invention;
5 is a longitudinal sectional view of main parts of the power connector according to FIG. 4;
Figure 6 is a partially exploded perspective view showing a conventional power connector,
7 is a longitudinal sectional view of main parts of the power connector according to FIG. 6;
8 is a configuration diagram showing a state in which a conventional power connector is installed.

The foregoing and further aspects of the present invention will become more apparent through the preferred embodiments described with reference to the accompanying drawings. Hereinafter, the present invention will be described in detail to enable those skilled in the art to easily understand and reproduce the present invention.

1 is a partially exploded perspective view of a power connector according to the present invention, FIG. 2 is a main longitudinal sectional view of the power connector according to FIG. 1, and FIG. 3 is a main sectional front view of the main power connector according to FIG.

As shown therein, the LED lamp power connector according to the present invention includes a printed circuit board 10, a pair of connection pins 20 protruding from the printed circuit board 10, and the printed circuit board. It includes a pin coupling portion 30 for coupling the connection pin 20 to (10).

The printed circuit board 10 is a power supply circuit is printed in order to control the power supply, the built-in LED lamp controls the commercial power connected through the connecting pin 20 to supply to the LED lamp.

The connection pins 20 are provided as one pair on one side of the printed circuit board 10, and are connected to the power socket to which commercial power is connected, and are detachably coupled to connect the commercial power to the printed circuit board 10. Play a role.

The pin coupling portion 30 is provided with a pair of installation grooves 31 formed on one side of the printed circuit board 10 corresponding to the end of the connection pin 20, the inner circumference of the installation groove 31 A metal terminal portion 32 attached to the substrate, a plurality of inflow holes 33 formed through the printed circuit board 10 along both outer sides of the terminal portion 32, the inflow holes 33 and It includes a soldering portion 34 formed by soldering around the terminal portion 32 and the end of the connecting pin 20.

The installation groove 31 is inserted in a state where the ends of each of the pair of connecting pins 20 are horizontally spaced apart so that the left and right swings can be fixed, thereby preventing the connecting pins 20. By smoothly supporting the separation of the connection pin 20 and the terminal portion 32 is to be prevented smoothly.

The terminal portion 32 is a metal material formed around an inner circumference of the installation groove 31 and forms a space into which the connection pin 20 is inserted into the installation groove 31. ) And the printed circuit board 10.

The installation groove 31 and the terminal portion 32 are inserted into the ends of the connecting pin 20 to prevent the shaking of the connecting pin 20 while supporting the connecting pin 20 at the same time the printed circuit board 10 And to improve the bond between the connecting pin 20.

That is, the connection pin 20 is firmly inserted into the terminal portion 32 of the metal material formed along the inner circumference of the installation groove 31, and each of them is stably supported, thereby preventing its fluctuation smoothly.

The inflow hole 33 is hardened in a state in which solder melt flows when the soldering part 34 is formed, and the terminal part 32 and the connection pin 20 are firmly integrated by the soldering part 34. To be fixed and supported (see FIG. 3). In other words, the lead melts generated when soldering into the plurality of inflow holes 33 flow into and harden in the inflow state so that the soldering portion 34 is firmly fixed to the printed circuit board 10 and at the same time the terminal portion 32 ) Will be firmly fixed.

The soldering part 34 is formed by soldering around the ends of the terminal part 32 and the connecting pin 20, and serves to fix the connecting pin 20 to the terminal part 32 by soldering.

The power connector configured as described above connects the terminal portion 32, the inlet hole 33, and the connecting pin 20 in a state in which the connecting pin 20 is inserted into the installation groove 31 to be in close contact with the terminal portion 32. By soldering integrally to form the soldering portion 34, the connection pin 20 is firmly coupled to the printed circuit board 10.

4 is a partially exploded perspective view of a power connector according to another embodiment of the present invention, and FIG. 5 is a longitudinal sectional view of a main portion of the power connector according to FIG. 4.

As shown therein, the LED lamp power connector according to the present invention includes a printed circuit board 10, a pair of connection pins 20 protruding from the printed circuit board 10, and the printed circuit board. It includes a pin coupling portion 30 for coupling the connection pin 20 to (10).

The printed circuit board 10 is a power supply circuit is printed in order to control the power supply, the built-in LED lamp controls the commercial power connected through the connecting pin 20 to supply to the LED lamp.

The connection pins 20 are provided as one pair on one side of the printed circuit board 10, and are connected to the power socket to which commercial power is connected, and are detachably coupled to connect the commercial power to the printed circuit board 10. Play a role.

The pin coupling portion 30 is provided with a pair of installation grooves 31 formed on one side of the printed circuit board 10 corresponding to the end of the connection pin 20, the inner circumference of the installation groove 31 A metal terminal portion 32 attached to the substrate, a plurality of inflow holes 33 formed through the printed circuit board 10 along both outer sides of the terminal portion 32, the inflow holes 33 and And a soldering part 34 formed by soldering around the terminal portion 32 and the end of the connecting pin 20, and an insertion member 35 formed at the end of the connecting pin 20.

The installation groove 31 is inserted in a state where the ends of each of the pair of connecting pins 20 are horizontally spaced apart so that the left and right swings can be fixed, thereby preventing the connecting pins 20. By smoothly supporting the separation of the connection pin 20 and the terminal portion 32 is to be prevented smoothly.

The terminal portion 32 is a metal material formed around an inner circumference of the installation groove 31 and forms a space into which the connection pin 20 is inserted into the installation groove 31. ) And the printed circuit board 10.

The installation groove 31 and the terminal portion 32 are inserted into the ends of the connecting pin 20 to prevent the shaking of the connecting pin 20 while supporting the connecting pin 20 at the same time the printed circuit board 10 And to improve the bond between the connecting pin 20.

That is, the connection pin 20 is firmly inserted into the terminal portion 32 of the metal material formed along the inner circumference of the installation groove 31, and each of them is stably supported, thereby preventing its fluctuation smoothly.

The inflow hole 33 is hardened in a state in which solder melt flows when the soldering part 34 is formed, and the terminal part 32 and the connection pin 20 are firmly fixed and fixed by the soldering part 34. To be supported (see FIG. 3). In other words, the lead melts generated when soldering into the plurality of inflow holes 33 are hardened in the inflow state so that the soldering portion 34 is firmly fixed to the printed circuit board 10 and the terminal portion 32 is simultaneously fixed. It will be fixed firmly.

The soldering part 34 is formed by soldering around the ends of the terminal part 32 and the connecting pin 20, and serves to fix the connecting pin 20 to the terminal part 32 by soldering.

The insertion member 35 is formed in an inverted recess shape so that the end of the connection pin 20 can be fitted to the terminal portion 32. The insertion member 34 is connected to the connection pin 20. It can be easily fixed to the printed circuit board 10 to prevent the shaking between the connecting pin 20 and the terminal portion 32 to facilitate the soldering operation.

In addition, the insertion member 35 serves to prevent the up and down swing of the connection pin 20 in the state in which the connection pin 20 is inserted into the installation groove 31.

As described above, the connection pin 20 is prevented from swinging in the left and right directions by the installation groove 31 and the terminal portion 32, and at the same time, the swinging of the connecting pin 20 in the vertical direction is also prevented. It is firmly supported and its bondability is also improved.

Although preferred embodiments of the present invention have been described above, the present invention may use various changes, modifications, and equivalents. It is clear that the present invention can be suitably modified and applied in the same manner. Accordingly, the above description does not limit the scope of the invention as defined by the limitations of the following claims.

Meanwhile, in the detailed description of the present invention, specific embodiments have been described, but it will be apparent to those skilled in the art that various modifications are possible without departing from the scope of the present invention.

10: printed circuit board
20: connecting pin
30: pin coupling part
31: mounting groove 32: terminal
33: inlet hole 34: soldering portion
35: insertion member

Claims (2)

A power connector for an LED lamp;
A printed circuit board 10 on which a power supply circuit is printed to control the power supply;
A pair of connection pins 20 provided on one side of the printed circuit board 10;
Corresponding to the end of the connecting pin 20, the mounting groove 31 formed in a pair on one side of the printed circuit board 10, and the metal terminal portion attached to the inner circumference of the mounting groove 31 ( 32, a plurality of inflow holes 33 penetrating through the printed circuit board 10 along both outer sides of the terminal portion 32, the inflow holes 33 and the terminal portion 32, and the connecting pins. A pin coupling part 30 for coupling the connection pin 20 to the printed circuit board 10 including a soldering part 34 formed at the end of the soldering part by soldering;
Power connector for the LED lamp comprising a.
The method of claim 1,
The pin coupling portion 30,
Inserting member 35 formed at the end of the connecting pin 20 to be inserted into the terminal portion 32 is fixed,
LED lamp power connector further comprises.
KR1020100081142A 2010-08-23 2010-08-23 Power connecter for a LED lamp KR20120056914A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020100081142A KR20120056914A (en) 2010-08-23 2010-08-23 Power connecter for a LED lamp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020100081142A KR20120056914A (en) 2010-08-23 2010-08-23 Power connecter for a LED lamp

Publications (1)

Publication Number Publication Date
KR20120056914A true KR20120056914A (en) 2012-06-05

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Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020100081142A KR20120056914A (en) 2010-08-23 2010-08-23 Power connecter for a LED lamp

Country Status (1)

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KR (1) KR20120056914A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106797084A (en) * 2014-09-17 2017-05-31 氦核概念股份有限公司 Ultra-low profile PCB embedded-type electric connector assemblies for transmitting electric power and signal
KR20170003416U (en) 2016-03-24 2017-10-12 노명재 Ac power supply structure for alternating current led lighting

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106797084A (en) * 2014-09-17 2017-05-31 氦核概念股份有限公司 Ultra-low profile PCB embedded-type electric connector assemblies for transmitting electric power and signal
KR20170003416U (en) 2016-03-24 2017-10-12 노명재 Ac power supply structure for alternating current led lighting

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