JP4080607B2 - LED mounting device - Google Patents

Description

[0001]
[Industrial application fields]
The present invention relates to an LED mounting device used for a signal lamp for an automobile such as a brake light.
[0002]
[Prior art]
FIG. 9 shows an example of this kind of LED mounting device 80 in the past. An LED 82 and a resistor 83 are inserted into the through-hole on a substrate 81 on which a wiring pattern and a through-hole are provided by copper foil or the like and soldered. 85 is attached. Furthermore, when the electric wire 84 or the metal terminal for receiving the electric power from the outside is attached by the solder 85, it can be turned on.
[0003]
Next, the LED mounting device 80 configured as described above is mounted and used in the housing 91 of the vehicular signal lamp 90 shown in FIG. 10, but this kind of vehicular signal lamp 81 is designed for an automobile or the like. In addition, the number of lenses 92 having a curved surface has been increasing in recent years.
[0004]
Accordingly, when the LED mounting device 80 is mounted, the boss 93 provided on the housing 91 in a state where the substrate 81 is curved along the lens 92 surface of the vehicle signal lamp 90 as shown in FIG. By fixing, the plurality of LEDs 82 are arranged along the lens 90 surface so that uniform light emission can be obtained from the lens 92 surface.
[0005]
[Problems to be solved by the invention]
However, in the above-described conventional structure, the plurality of LEDs 82 and the resistors 83 are each attached by the solder 85, which is not suitable for avoiding the use of solder in consideration of recent environmental problems.
[0006]
Further, when the board 81 is bent and attached along the lens 92 surface of the vehicle signal lamp 90 as described above, the wiring pattern formed on the board 81 may be peeled off or disconnected, so that the board 81 is bent greatly. This makes it difficult to arrange the LEDs 82 along the surface of the lens 92.
[0007]
[Means for Solving the Problems]
In order to solve the above-mentioned problem, the present invention arranges a plurality of LEDs on the base portion of a holder in which a base portion and a lid portion are integrally formed via a hinge portion, and the lid portion includes a plurality of LEDs. A conductive base composed of a terminal portion that contacts an LED lead wire, a wiring portion that electrically connects the plurality of LEDs, and a terminal portion that receives external power is fixed, and the base portion and the lid portion fix the base. An LED mounting device is provided, wherein the plurality of LEDs are sandwiched and fixed and electrically connected.
[0008]
Further, the base has the terminal part, the wiring part and the terminal part integrally formed, and the lid part has a recess or a through hole corresponding to a part which is not necessary for the wiring in a state where the base is fixed. The method is characterized in that a portion where the wiring of the base is unnecessary is cut.
[0009]
Furthermore, at least the extraction surface from which the plurality of LEDs are led out of the holder is divided into a surface curved in the vertical direction and / or the horizontal direction with respect to the direction in which the plurality of LEDs are arranged, or divided into two or more directions. It is characterized by the fact that it is a surface that solves problems.
[0010]
DETAILED DESCRIPTION OF THE INVENTION
Next, the configuration of the LED mounting device 10 according to the present invention will be described in detail based on the embodiment shown in FIGS.
[0011]
What is indicated by reference numeral 10 in FIG. 1 is an LED mounting device according to the present invention. This LED mounting device 10 includes a resinous holder 20 in which a base portion 21 and a lid portion 22 are integrally formed by a hinge portion 23; A plurality of mounting holes 25 and the like are provided along the extraction surface 26 of the base portion 21, a plurality of LEDs 30 into which the lead wires 31 are inserted and attached to the mounting holes 25, and a hook 27 on the lid portion 22 side. And a base 40 that is attached by caulking or the like and performs electrical wiring of the plurality of LEDs 30.
[0012]
The LED mounting device 10 will be described in more detail. The base portion 21 of the holder 20 is provided with a plurality of mounting holes 25 in a row along the extraction surface 26 on which the plurality of LEDs 30 are arranged. When the LED 30 is sandwiched between the lid portion 22 and the concave portion 28 corresponding to the lead wire 31 of the LED 30, the hook 27 provided on the lid portion side, or the convex portion of the base 40, the base portion 21 is provided. And the lid portion 22 are in close contact with each other.
[0013]
Further, a concave portion having a shape similar to the base 40 is provided also on the lid portion 22 side so that portions other than the terminal portion 41 of the base 40 to be described later are flush with the flat surface of the lid portion 22. It should be in close contact with.
[0014]
Further, the lid portion 22 is formed with a recess 28 or a through hole as a relief portion when the hook 27 for fixing the base 40 and the terminal portion 41 come into contact with the lead wire 31 of the LED 30. Is formed with a through-hole 24 or a recess, which will be described later.
[0015]
Next, what is shown in FIG. 2 is a base 40 used in the present invention, which is formed of a conductive material such as a metal, and connects the terminal portion 41 and these terminal portions 41 corresponding to elements such as the LED 30 and the resistor 50. A wiring part 42 to be connected and a terminal part 43 for taking in electric power from the outside are formed in this base.
[0016]
The terminal portion 41, the wiring portion 42, and the terminal portion 43 are integrally formed via an unnecessary portion 44 that is not necessary when performing electrical connection to the LED 30 to prevent an increase in the number of components. After the base 40 is attached to the lid portion 22, the unnecessary portion 44 is cut as will be described later, whereby normal connection is performed.
[0017]
FIG. 3 shows a method of cutting the unnecessary portion 44 of the base 40. Since the base 40 is integrally formed as described above, an unnecessary portion 44 that is not necessary for a circuit is provided. However, the lid portion 22 corresponding to the portion that becomes the unnecessary portion 44 is provided with a through hole 24 or a concave portion as shown in FIG. 3A, and then a pin 60 of the punching machine is provided as shown in FIG. By placing and punching in the unnecessary portion 44, the unnecessary portion 44 of the circuit is cut as shown in FIG. 3C, and the wiring pattern is completed.
[0018]
4 shows a mounting method in the case where a resistor 50 is required for lighting the LED 30. After fixing the base 40 to the lid portion 22 as shown in FIG. 4A, an appropriate interval is provided. 4B, the terminal portion 41 is bent by a pin 60 similar to the punching machine as shown in FIG. 4B, and the mel resistance 50 as shown in FIG. By pushing in, attachment is performed as shown in FIG.
[0019]
Next, what is shown in FIG. 5 is a process of attaching the LED 30 and the base 40 to the holder 20. First, as shown in FIG. 5A, the base portion 21 and the lid portion 22 are integrally formed with resin. The holder 20 connected by the hinge part 23 is formed, and the base part 21 and the cover part 22 are formed with the hooks 27, the recesses 28, and the attachment holes 25 for attaching the LEDs 30 and the base 40, respectively, as described above. .
[0020]
As shown in FIG. 5 (b), a plurality of lead wires 31 of the LEDs 30 are inserted into the mounting hole 25 in the base portion 21, and the base 40 is placed in the recess 28 in the lid portion 22. Fit and fix with hook 27.
[0021]
At this time, the arrangement height of the LED 30 is adjusted by placing a jig for height adjustment on the back side of the attachment hole 25, and when the attachment recess is used instead of the attachment hole 25, It is determined by adjusting the length of the lead wire 31 of the LED 30 in advance.
[0022]
Further, as described above, after cutting the unnecessary portion 44 of the base 40 and attaching the resistor 50 and the like, the LED 30 is bent by the hinge portion 23 as shown in FIG. 5C, and the base portion 21 and the lid portion 22 are overlapped. Then, the LED mounting device 10 is completed by sandwiching the base 40 and fixing the base portion 21 and the lid portion 22 by the hook 27 provided on the holder 20 or by welding means and caulking means.
[0023]
Next, what is shown in FIG. 6A represents the outer shape of the holder 20, and in the above-described embodiment, the extraction surface 26 on which the LEDs 30 are arranged is a flat surface.
[0024]
FIG. 6B shows another embodiment of the outer shape of the holder 20 in which the extraction surface 26 in which the LEDs 30 are arranged is curved in the direction in which the LEDs 30 are arranged.
[0025]
Moreover, what is shown in FIG. 6C is still another embodiment of the outer shape of the holder 20, in which the extraction surface 26 in which the LEDs 30 are arranged is formed by two surfaces facing different directions.
[0026]
In this way, by changing the outer shape of the holder 20 and making the extraction surface 26 in various shapes, each of the plurality of LEDs 30 arranged along the extraction surface 26 can be arranged with the optical axis changed. Depending on the situation.
[0027]
The extraction surface 26 is provided with a surface that is curved in a direction parallel to the arrangement direction of the LEDs 30 or divided into two or more directions. However, not only this but also a direction orthogonal to the arrangement direction of the LEDs 30 Naturally, it is also possible to have a curved surface or a surface divided into two or more directions. Furthermore, it is good also as a surface which curved or divided | segmented into both the parallel direction and the orthogonal direction combining these.
[0028]
FIG. 7 shows a case where the LED mounting device 10 according to the present invention is used for a vehicular signal lamp 70. Reference numeral 71 denotes a housing, and reference numeral 72 denotes a lens. The extraction surface 26 of the LED mounting device 10 is adapted to the shape of the lens 72, and the plurality of LEDs 30 can be arranged at the same distance from the lens 72, so that uniform illumination can be performed. It will be a thing. The LED mounting device 10 is mounted on the housing 71 by screws or hooks as in the conventional case.
[0029]
Further, a terminal portion 43 for supplying power to the LED mounting device 10 is provided on the hinge portion 23 side of the LED mounting device 10, a male coupler-shaped outlet 73 is formed in the housing 71, and the outlet 73 is provided. The terminal portion 43 may be disposed inside and connected to an external female coupler.
[0030]
FIG. 8 shows another embodiment in which the LED mounting device 10 according to the present invention is used for a vehicular signal lamp 70. In FIG. 7, one large holder is provided in a housing 71, and a required number of LEDs 30 are provided in this holder. However, in this embodiment, the curved LED mounting device 10a in which the extraction surface 26 in which a small number of LEDs are provided in a small holder is curved, and the flat LED mounting device 10b in which the extraction surface is also flat are provided. The curved LED mounting device 10a and the flat LED mounting device 10b are used in appropriate combinations in accordance with the shape of the lens 72 of the vehicle signal lamp 70.
[0031]
In this case, although not shown in the figure, each of the LED mounting devices 10a and 10b is formed so that it can be connected to another terminal portion 43 so that electrical connection can be made. By doing in this way, even when the design of the vehicular signal lamp 70 is changed, it is possible to cope with it only by changing these combinations without changing the design of the LED mounting device 10, thereby reducing the manufacturing cost. It will be connected.
[0032]
【The invention's effect】
As described above, according to the present invention, the electrical connection and fixing of the plurality of LEDs are performed by holding the lead wire and the base by the holder, so that the soldering process can be eliminated and there is a problem. It is possible to eliminate the influence on the environment.
[0033]
In addition, the base is formed as a single part, and after being placed on the lid of the holder, the unnecessary part is cut to form a wiring pattern, so that the assembly work can be simplified and the yield can be improved. .
[0034]
Furthermore, since the holder is formed of resin, it can be formed in various shapes, and since the shape of this holder allows each of the plurality of LEDs to be arranged with the optical axis being changed, it has increased in recent years. It can be applied very easily to a vehicular signal lamp having a three-dimensional change.
[Brief description of the drawings]
FIG. 1 is a schematic perspective view showing an embodiment of an LED mounting device according to the present invention.
FIG. 2 is a plan view illustrating a base according to the present invention.
FIG. 3 is a schematic cross-sectional view illustrating a method for cutting unnecessary portions of a base according to the present invention.
FIG. 4 is a schematic cross-sectional view illustrating a process of attaching a resistor to a base according to the present invention.
FIG. 5 is a schematic cross-sectional view illustrating an assembly process of the LED mounting device according to the present invention.
FIG. 6 is a schematic perspective view for explaining the outer shape of the LED mounting device according to the present invention.
FIG. 7 is a schematic sectional view showing an example in which the LED mounting device according to the present invention is applied to a vehicle signal lamp.
FIG. 8 is a schematic sectional view showing another example in which the LED mounting device according to the present invention is applied to a vehicular signal lamp.
FIG. 9 is a cross-sectional view showing an example of a conventional LED mounting device.
10 is a cross-sectional view showing an example in which the LED mounting device shown in FIG. 9 is applied to a vehicle signal lamp.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 10 LED mounting apparatus 10a Curved LED mounting apparatus 10b Planar LED mounting apparatus 20 Holder 21 Base part 22 Cover part 23 Hinge part 24 Through-hole 25 Mounting hole 26 Extraction surface 27 Hook 28 Recessed part 30 LED
31 Lead wire 40 Base 41 Terminal portion 42 Wiring portion 43 Terminal portion 44 Unnecessary portion 50 Resistance 60 Pin 70 Signal lamp 71 for vehicle 71 Housing 72 Lens 73 Exit

Claims (3)

A plurality of LEDs are arranged on the base portion of a holder in which a base portion and a lid portion are integrally formed via a hinge portion, and a terminal portion that comes into contact with the lead wires of the plurality of LEDs on the lid portion, a plurality of A conductive base composed of a wiring portion for electrically connecting the LEDs and a terminal portion for receiving external power is fixed, and the base and the plurality of LEDs are sandwiched and fixed between the base portion and the lid portion to fix and electrically An LED mounting device characterized by performing connection. The base is integrally formed with the terminal portion, the wiring portion and the terminal portion, and the lid portion has a recess or a through hole corresponding to a portion which is unnecessary for wiring in a state where the base is fixed, The LED mounting device according to claim 1, wherein a portion where the wiring of the base is unnecessary is cut. A surface on which at least the plurality of LEDs of the holder are led out is curved in a vertical direction and / or a horizontal direction with respect to a direction in which the plurality of LEDs are arranged, or a surface divided in two or more directions; The LED mounting device according to claim 1 or 2, characterized in that:

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