JP2013069436A - Led lamp and led lighting fixture - Google Patents

Abstract

Provided are an LED lamp and an LED lighting apparatus capable of improving assembling workability.
An LED lamp includes a plurality of LED units, a pair of bases, and a plurality of pins, and the bases are connected to each other in a substantially nested manner. A first groove 22, a second groove 23, a third groove 24, a first groove 22, a second groove 23 and a third groove between the outer cylinder 20 and the inner cylinder 21. 24 and a protrusion 25 slidable along the line 24.
[Selection] Figure 2

Description

  The present invention relates to an LED lamp having an LED and an LED lighting apparatus installed on a ceiling surface or the like using the LED lamp as a light source.

2. Description of the Related Art Conventionally, there has been known an LED lamp having a base that includes a pin that receives power supplied from a socket, a connecting portion that is connected to the LED unit, and an adjuster that changes a distance between the pin and the connecting portion. (For example, refer to Patent Document 1).
In Patent Document 1, an adjuster portion has an elastic member, and the pin and the connection portion are connected by the elastic force of the elastic member.
In Patent Document 1, a male screw is formed on the base, and the adjuster is attached to the LED unit by screwing the male screw into the female screw of the LED unit.

Japanese Patent Laying-Open No. 2011-70810 (FIG. 1, claim 4)

Patent Document 1 can be applied to various fluorescent lighting fixtures in accordance with the change in the number of LED units to be connected.
However, in Patent Document 1, in order to attach the adjuster portion to the LED unit, the male screw formed on the base must be screwed into the female screw of the LED unit.
Therefore, in Patent Document 1, the assembly workability is not good because the troublesome work of rotating the male screw with respect to the female screw is performed at the time of connection.

  The present invention has been made to solve the above-described problems, and an object of the present invention is to provide an LED lamp and an LED lighting apparatus that can improve the assembling workability.

  The LED lamp according to the present invention is housed in a translucent tube portion, and is provided at each of the plurality of LED units arranged along the longitudinal direction of the tube portion and at both ends in the longitudinal direction of the tube portion. And a plurality of pins provided on an end surface of at least one of the caps, and the cap includes an outer cylindrical portion and an inner cylindrical portion that are connected in a substantially nested manner. The first groove portion along the circumferential direction on one of the inner peripheral surface of the outer cylinder portion and the outer peripheral surface of the inner cylinder portion is continuous between the outer cylinder portion and the inner cylinder portion, and the first groove portion. A second groove portion extending along a longitudinal direction of the cylindrical portion; and a second groove portion that is continuous with the first groove portion, extends in the same direction as the second groove portion, and is parallel to the second groove portion. Having a continuous length different from the continuous length of A groove, and a projection provided on the other of the inner peripheral surface of the outer tube portion and the outer peripheral surface of the inner tube portion and slidable along the first groove portion, the second groove portion, and the third groove portion. Is provided.

  The LED lamp which concerns on this invention is provided with the elastic member interposed between the inner bottom face of the said outer cylinder part, and the outer bottom face of the said inner cylinder part.

  The LED lighting apparatus according to the present invention has an LED lamp attached thereto.

  According to the LED lamp and the LED lighting apparatus according to the present invention, there is an effect that the assembling workability can be improved.

1 is an exploded perspective view of an LED lamp and an LED lighting apparatus according to an embodiment of the present invention. The exploded side view of the electric power feeding side nozzle | cap | die of the LED lamp of one Embodiment which concerns on this invention The side view at the time of the 1st dimension setting of the electric power feeding side nozzle | cap | die of the LED lamp of one Embodiment which concerns on this invention The side view at the time of the 2nd dimension setting of the electric power feeding side nozzle | cap | die of the LED lamp of one Embodiment which concerns on this invention The disassembled external appearance perspective view of the modification of the LED lamp of one Embodiment which concerns on this invention The disassembled external appearance perspective view of the other modification of the LED lamp of one Embodiment which concerns on this invention The disassembled external appearance perspective view of the other modification of the LED lamp of one Embodiment which concerns on this invention

Hereinafter, an LED lamp and an LED lighting apparatus according to an embodiment of the present invention will be described with reference to the drawings.
As shown in FIG. 1, an LED lighting apparatus 50 equipped with a straight tube type LED lamp 10 according to an embodiment of the present invention includes an apparatus main body 51, and a power supply side socket 52 attached to one end of the apparatus main body 51. And a grounding side socket 53 attached to the other end of the instrument main body 51.

The straight tube type LED lamp 10 is electrically connected to the power supply side socket 52 and the ground side socket 53 and mechanically attached.
The LED lighting device 50 includes a reflector 54 that is disposed above the straight tube type LED lamp 10 and attached to the device main body 51.
The LED lighting device 50 is a base light installed directly on the ceiling surface 90.

The instrument body 51 is formed by opening a lower portion by bending a thin metal plate member.
The instrument main body 51 has a plurality of screw holes 55, and fixing screws 91 provided on the ceiling surface 90 are inserted into the screw holes 55.
The instrument body 51 is attached to the ceiling surface 90 by inserting a washer 92 through the fixing screw 91 on the lower surface and screwing the fastening member 93 into the fixing screw 91. An external power supply 94 is drawn into the instrument body 51 from the ceiling surface 90.

Similar to the instrument body 51, the reflector 54 is formed in a reverse mountain shape by a metal plate member, and its lower surface is painted white or milky white having a reflection function.
The reflection plate 54 has a power supply side socket hole 56 and a ground side socket hole 57 for inserting the power supply side socket 52 and the ground side socket 53 at both ends.

  The straight tube type LED lamp 10 is accommodated in a glass tube 11 that is a cylindrical portion having translucency, and a plurality of LED units 12 arranged along the longitudinal direction of the glass tube 11, and the length of the glass tube 11. A power supply side base 13 and a ground side base 14 are provided at both ends in the direction.

The straight tube type LED lamp 10 has a plurality of power supply side pins 15 on the end face of the power supply side base 13, and a single ground side pin 16 on the end face of the ground side base 14. The plurality of power supply side pins 15 are formed in a shape bent outward.
Note that the number of the power supply side pins 15 and the ground side pins 16 is not limited to the two power supply side pins 15 and the single ground side pin 16 shown in the figure. For example, a plurality of types of optical characteristics such as color temperature are different. It is set as appropriate according to the internal circuit when the LED unit 12 is mounted.

The straight tube type LED lamp 10 includes an LED substrate 18 in which a plurality of LEDs 17 are sealed in the axial direction of the glass tube 11 in the LED unit 12.
The LED unit 12 includes a heat sink 19 formed in a U shape and fixed to the LED substrate 18.

In the straight tube type LED lamp 10, the irradiation range toward the irradiation target is 1/2 to 2/3 with respect to the entire circumference of the glass tube 11.
The straight tube type LED lamp 10 is determined in advance after the power supply side pin 15 of the power supply side base 13 is inserted into the power supply side socket 52 and the ground side pin 16 of the ground side base 14 is inserted into the ground side socket 53. It is rotated by an angle.
Thereby, the straight tube | pipe type LED lamp 10 sets the light distribution characteristic which orient | assigned the optical axis direction of the LED unit 12 to the floor surface.

In the straight tube type LED lamp 10, a direct current supplied from the power supply side socket 52 flows from the power supply side pin 15 to the ground side socket 53 through the ground side pin 16.
Accordingly, in the straight tube type LED lamp 10, a direct current is supplied to a printed circuit (not shown) provided on the LED substrate 18, and the LED 17 emits light.

As shown in FIG. 2, the straight tube type LED lamp 10 includes an outer cylindrical portion 20 and an inner cylindrical portion 21 in which the power supply base 13 is connected to each other in a substantially nested manner.
The outer cylinder part 20 is formed so that the inner diameter dimension thereof is slightly larger than the outer diameter dimension of the inner cylinder part 21.
Further, the inner cylindrical portion 21 is provided with a first groove portion 22 along the circumferential direction on the inner peripheral surface of the outer cylindrical portion 20 on the outer peripheral surface thereof.

And the inner side cylinder part 21 is provided in the outer peripheral surface with the 2nd groove part 23 which follows the 1st groove part 22 and extends along the longitudinal direction of the glass tube 11. As shown in FIG.
Furthermore, the inner cylinder part 21 is continuous with the first groove part 22, extends in the same direction as the second groove part 23, is parallel to the second groove part 23, and is shorter than the continuous direction length of the second groove part 23. A third groove portion 24 having a length is provided.

On the other hand, the outer cylinder part 20 is provided with a protrusion 25 slidable along the first groove part 22, the second groove part 23 and the third groove part 24 arranged in a U-shape on the inner peripheral surface thereof.
Further, the straight tube type LED lamp 10 includes an elastic member 28 between the inner bottom surface 26 of the outer tube portion 20 and the outer bottom surface 27 of the inner tube portion 21.
The elastic member 28 is a tension spring or the like, and the elastic repulsive force F1 that always pulls the outer cylindrical portion 20 to the inner cylindrical portion 21 is accumulated by engaging both ends with the outer cylindrical portion 20 and the inner cylindrical portion 21. ing.

In the straight tube type LED lamp 10, a plurality of power supply side pins 15 that are electrically connected to a printed circuit included in the LED substrate 18 of the LED unit 12 are disposed on the outer bottom surface 29 of the outer cylindrical portion 20.
In the straight tube type LED lamp 10, after the elastic member 28 is accommodated between the inner bottom surface 26 of the outer tube portion 20 and the outer bottom surface 27 of the inner tube portion 21, the outer tube portion 20 is attached to the inner tube portion 21. The
Therefore, the straight tube type LED lamp 10 is assembled so that the projection 25 of the outer cylinder part 20 can be fitted into any one of the first groove part 22, the second groove part 23, and the third groove part 24 of the inner cylinder part 21. .

Next, the operation of the straight tube type LED lamp 10 will be described.
As shown in FIG. 3, first, the protrusion 25 of the outer cylinder part 20 is disposed at the end of the second groove part 23 of the inner cylinder part 21.
At this time, since the elastic member 28 accumulates the elastic repulsive force F1 that always pulls the outer cylinder part 20 toward the inner cylinder part 21, the protrusion 25 of the outer cylinder part 20 has the second groove part 23 of the inner cylinder part 21. It is biased and held at the end.
Accordingly, in the straight tube type LED lamp 10, the lamp length from the end face of the power supply side base 13 to the end face of the ground side base 14 is set to the first dimension L1.

As shown in FIG. 4, after the outer cylinder portion 20 is pulled in the right direction in FIG. 4, the outer cylinder portion 20 is rotated in the counterclockwise direction as viewed from the right direction in FIG. 4.
When the outer cylinder 20 is rotated counterclockwise as viewed from the right in FIG. 4, the protrusion 25 of the outer cylinder 20 moves from the second groove 23 of the inner cylinder 21 to the first groove 22. It arrange | positions in the 3rd groove part 24 via.

At this time, since the elastic member 28 accumulates the elastic repulsive force F1 that always draws the outer cylinder part 20 to the inner cylinder part 21, the protrusion 25 of the outer cylinder part 20 is formed in the third groove part 24 of the inner cylinder part 21. It is biased and held at the end.
Therefore, in the straight tube type LED lamp 10, the lamp length from the end face of the power supply side base 13 to the end face of the ground side base 14 is set to the second dimension L2 which is larger than the first dimension L1 by the length dimension L3.

Next, a modification of the straight tube type LED lamp 10 according to the present invention will be described.
As shown in FIG. 5, in the present modification, the inner cylinder portion 21 is provided with a first groove portion 30 along the circumferential direction on the inner peripheral surface of the outer cylinder portion 20 on the outer peripheral surface thereof.
And the inner side cylinder part 21 is provided in the outer peripheral surface in the outer peripheral surface with the 2nd groove part 31 extended toward the electric power feeding side pin 15 along the longitudinal direction of the glass tube 11 in the longitudinal direction.

  Further, the inner cylinder portion 21 is continuous with the first groove portion 30, extends in the same direction as the second groove portion 31, is parallel to the second groove portion 31, and is shorter than the continuous direction length of the second groove portion 31. A third groove portion 32 having a length is provided.

On the other hand, the outer cylinder part 20 is provided with a projection 33 slidable along the first groove part 30, the second groove part 31 and the third groove part 32 on the inner peripheral surface thereof.
Further, the straight tube type LED lamp 10 includes an elastic member 34 between the inner bottom surface 26 of the outer tube portion 20 and the outer bottom surface 27 of the inner tube portion 21.
The elastic member 34 is a compression spring or the like, and accumulates an elastic repulsive force F2 that always pulls the outer cylinder part 20 away from the inner cylinder part 21 by engaging both ends with the outer cylinder part 20 and the inner cylinder part 21. ing.

In this modified example, first, the protrusion 33 of the outer cylindrical portion 20 is disposed at the end of the third groove portion 32 of the inner cylindrical portion 21.
At this time, since the elastic member 34 has accumulated the elastic repulsive force F2 that always pulls the outer cylinder part 20 away from the inner cylinder part 21, the protrusion 33 of the outer cylinder part 20 has the third groove part 32 of the inner cylinder part 21. It is biased and held at the end.
Accordingly, the straight tube type LED lamp 10 is set to the first dimension in which the lamp length from the end face of the power supply side base 13 to the end face of the ground side base 14 is short.

Next, after the outer cylinder portion 20 is pulled in the right direction in FIG. 5, the outer cylinder portion 20 is rotated counterclockwise as viewed from the right direction in FIG.
When the outer cylindrical portion 20 is rotated counterclockwise as viewed from the right in FIG. 5, the projection 33 of the outer cylindrical portion 20 moves from the third groove portion 32 of the inner cylindrical portion 21 to the first groove portion 30. It arrange | positions in the 2nd groove part 31 via.

At this time, since the elastic member 34 accumulates the elastic repulsive force F2 that always pulls the outer cylinder part 20 away from the inner cylinder part 21, the protrusion 33 of the outer cylinder part 20 has the second groove part 31 of the inner cylinder part 21. It is biased and held at the end.
Therefore, in the straight tube type LED lamp 10, the lamp length from the end face of the power supply side base 13 to the end face of the ground side base 14 is set to the second dimension larger than the first dimension.

Next, another modification of the straight tube type LED lamp 10 according to the present invention will be described.
As shown in FIG. 6, in the present modification, the outer cylindrical portion 20 is provided with a first groove portion 35 along the circumferential direction of the outer peripheral surface of the inner cylindrical portion 21 on the inner peripheral surface thereof.

And the outer cylinder part 20 is provided with the 2nd groove part 36 which follows the 1st groove part 35 and extends along the longitudinal direction of the glass tube 11 in the inner peripheral surface.
Furthermore, the outer cylinder part 20 is continuous with the first groove part 35, extends in the same direction as the second groove part 36, is parallel to the second groove part 36, and is shorter than the continuous direction length of the second groove part 36. A third groove portion 37 having a length is provided.

On the other hand, the inner cylinder portion 21 is provided with a protrusion 38 that can slide along the first groove portion 35, the second groove portion 36, and the third groove portion 37 on the outer peripheral surface thereof.
Further, the straight tube type LED lamp 10 includes an elastic member 39 between the inner bottom surface 26 of the outer tube portion 20 and the outer bottom surface 27 of the inner tube portion 21.
The elastic member 39 is a tension spring or the like, and the elastic repulsive force F1 that constantly pulls the outer cylindrical portion 20 to the inner cylindrical portion 21 is accumulated by engaging both ends with the outer cylindrical portion 20 and the inner cylindrical portion 21. ing.

In this modification, first, the protrusion 38 of the inner cylinder portion 21 is disposed at the end of the second groove portion 36 of the outer cylinder portion 20.
At this time, since the elastic member 39 accumulates an elastic repulsive force F1 that always draws the outer cylinder part 20 to the inner cylinder part 21, the protrusion 38 of the inner cylinder part 21 is formed in the second groove part 36 of the outer cylinder part 20. It is biased and held at the end.
Accordingly, the straight tube type LED lamp 10 is set to the first dimension in which the lamp length from the end face of the power supply side base 13 to the end face of the ground side base 14 is short.

Next, after the outer cylinder portion 20 is pulled in the right direction in FIG. 6, the outer cylinder portion 20 is rotated in the clockwise direction when viewed from the right direction in FIG. 6.
When the outer cylindrical portion 20 is rotated in the clockwise direction when viewed from the right in FIG. 6, the projection 38 of the inner cylindrical portion 21 is routed from the second groove portion 36 of the outer cylindrical portion 20 via the first groove portion 35. Then, it is arranged in the third groove portion 37.

At this time, since the elastic member 39 accumulates the elastic repulsive force F1 that always pulls the outer cylinder part 20 toward the inner cylinder part 21, the projection 38 of the inner cylinder part 21 is formed in the third groove part 37 of the outer cylinder part 20. It is biased and held at the end.
Therefore, in the straight tube type LED lamp 10, the lamp length from the end face of the power supply side base 13 to the end face of the ground side base 14 is set to the second dimension larger than the first dimension.

Subsequently, another modification of the straight tube type LED lamp 10 according to the present invention will be described.
As shown in FIG. 7, in the present modification, the outer cylindrical portion 20 is provided with a first groove portion 40 along the circumferential direction of the outer peripheral surface of the inner cylindrical portion 21 on the inner peripheral surface thereof.

The outer cylindrical portion 20 is provided with a second groove portion 41 that is continuous with the first groove portion 40 and extends toward the power supply side pin 15 along the longitudinal direction of the glass tube 11 on the inner peripheral surface thereof.
Further, the outer cylinder portion 20 is continuous with the first groove portion 40, extends in the same direction as the second groove portion 41, is parallel to the second groove portion 41, and is shorter than the continuous length of the second groove portion 41. A third groove portion 42 having a length is provided.

On the other hand, the inner cylinder portion 21 is provided with a protrusion 43 slidable along the first groove portion 40, the second groove portion 41 and the third groove portion 42 on the outer peripheral surface thereof.
Further, the straight tube type LED lamp 10 includes an elastic member 44 between the inner bottom surface 26 of the outer tube portion 20 and the outer bottom surface 27 of the inner tube portion 21.
The elastic member 44 is a compression spring or the like, and the elastic repulsive force F2 that always pulls the outer cylinder part 20 away from the inner cylinder part 21 is accumulated by engaging both ends with the outer cylinder part 20 and the inner cylinder part 21. ing.

In this modification, first, the protrusion 43 of the inner cylinder portion 21 is disposed at the end of the third groove portion 42 of the outer cylinder portion 20.
At this time, since the elastic member 44 accumulates the elastic repulsion force F2 that always pulls the outer cylinder part 20 away from the inner cylinder part 21, the protrusion 43 of the inner cylinder part 21 is formed in the third groove part 42 of the outer cylinder part 20. It is biased and held at the end.
Accordingly, the straight tube type LED lamp 10 is set to the first dimension in which the lamp length from the end face of the power supply side base 13 to the end face of the ground side base 14 is short.

Next, after the outer cylinder portion 20 is pulled in the right direction in FIG. 7, the outer cylinder portion 20 is rotated in the clockwise direction when viewed from the right direction in FIG.
When the outer cylinder portion 20 is rotated in the clockwise direction when viewed from the right in FIG. 7, the projection 43 of the inner cylinder portion 21 passes from the third groove portion 42 of the outer cylinder portion 20 via the first groove portion 40. And arranged in the second groove portion 41.

At this time, since the elastic member 44 has accumulated the elastic repulsive force F2 that always pulls the outer cylinder part 20 away from the inner cylinder part 21, the protrusion 43 of the inner cylinder part 21 is formed in the second groove part 41 of the outer cylinder part 20. It is biased and held at the end.
Therefore, in the straight tube type LED lamp 10, the lamp length from the end face of the power supply side base 13 to the end face of the ground side base 14 is set to the second dimension larger than the first dimension.

In such a straight tube type LED lamp 10, the LED lighting fixture in which the lamp length from the end face of the power supply side base 13 to the end face of the ground side base 14 is shorter than the distance between the power supply side socket 52 and the ground side socket 53. Applicable when mounting to.
And the straight tube | pipe type LED lamp 10 can be attached to an LED lighting fixture with long distance between sockets without any trouble by setting lamp length to the 2nd dimension larger than a 1st dimension.

As mentioned above, according to the straight tube | pipe type LED lamp 10 of one Embodiment which concerns on this invention demonstrated, it is not necessary to screw in a screw like the conventional one.
Therefore, according to the straight tube type LED lamp 10, since the length can be changed with one touch, the assembly workability can be improved.

  According to the straight tube type LED lamp 10, since the elastic members 28, 34, 39, 44 are interposed between the outer cylinder part 20 and the inner cylinder part 21, the outer cylinder part 20 and the inner cylinder part 21 are arranged. Can be securely locked.

  According to the LED lighting device 50, by installing the straight tube type LED lamp 10 that can be assembled in one touch, the assembly workability can be improved.

  In addition, in the LED lamp and LED lighting fixture of this invention, an instrument main body, a reflecting plate, etc. are not limited to one Embodiment mentioned above, A suitable deformation | transformation, improvement, etc. are possible.

10 Straight tube type LED lamp (LED lamp)
11 Glass tube (cylinder part)
12 LED unit 13 Power supply side cap (base)
14 Ground side base (base)
15 Power supply pin (pin)
16 Ground pin (pin)
20 Outer cylinder part 21 Inner cylinder part 22, 30, 35, 40 First groove part 23, 31, 36, 41 Second groove part 24, 32, 37, 42 Third groove part 25, 33, 38, 43 Protrusion 28, 34, 39,44 Elastic member 50 LED lighting fixture

Claims (3)

A plurality of LED units housed in a translucent tube portion and arranged along the longitudinal direction of the tube portion;
A pair of caps respectively provided at both longitudinal ends of the cylindrical portion;
A plurality of pins provided on an end face of at least one of the caps;
The base is
An outer cylindrical portion and an inner cylindrical portion connected in a substantially nested manner,
Between the outer cylinder part and the inner cylinder part,
A first groove along the circumferential direction in one of the inner peripheral surface of the outer cylindrical portion and the outer peripheral surface of the inner cylindrical portion;
A second groove portion that is continuous with the first groove portion and extends along a longitudinal direction of the cylindrical portion;
A third groove portion that is continuous with the first groove portion, extends in the same direction as the second groove portion, is parallel to the second groove portion, and has a continuous direction length different from the continuous direction length of the second groove portion;
LED provided on the other of the inner peripheral surface of the outer cylindrical portion and the outer peripheral surface of the inner cylindrical portion, and a projection that is slidable along the first groove portion, the second groove portion, and the third groove portion. lamp. The LED lamp according to claim 1, wherein
An LED lamp comprising an elastic member interposed between an inner bottom surface of the outer tube portion and an outer bottom surface of the inner tube portion.   The LED lighting fixture with which the LED lamp of Claim 1 or Claim 2 was attached.

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