JP2017051454A - Showcase - Google Patents

Abstract

PROBLEM TO BE SOLVED: To reliably illuminate a targeted direction in a showroom, when illuminating the inside of the showroom by a fluorescent-type LED lamp by preventing the fluorescent-type LED lamp from rotating about a central axis.SOLUTION: The showcase includes: a showcase body having a showroom in the inside and an opening at the front; a pair of lamp holders 15 having C-shaped ring parts 15b and attached to an illumination channel part 14 of the showcase body; a fluorescent-type LED lamp 16, both ends of which are held by the C-shaped ring parts 15b and which illuminates the inside of the showroom; and a fitting retainer 29 that is attached to the illumination channel part 14 and fitted to the fluorescent-type LED lamp 16 so as to regulate the rotation of the fluorescent-type LED lamp 16 around the central axis.SELECTED DRAWING: Figure 2

Description

  The present invention relates to a showcase that illuminates a product display room using a fluorescent LED lamp.

  Conventionally, a straight tube fluorescent lamp has been widely used as a lamp for illuminating the product display room of the showcase body. To attach the straight tube fluorescent lamp to the showcase body, attach a pair of lamp holders with a C-shaped ring part to the illumination channel part of the showcase body, and insert both ends of the straight tube fluorescent lamp into the C-shaped ring part. Is done by doing. Irradiation of light from the straight tube fluorescent lamp is performed substantially uniformly in the range of 360 ° toward the outer periphery of the lamp, so even if the attached straight tube fluorescent lamp rotates in the C-shaped ring portion, There is no problem with lighting the product display room.

  In recent years, straight tube LED lamps that consume less power and have a long life are used as lamps that illuminate the product display room of the showcase body, and are described, for example, in Patent Document 1 below.

  By the way, since the light irradiated from LED has strong directivity, when a straight tube | pipe type LED lamp rotates in a C-shaped ring part, the problem that it becomes impossible to illuminate the target direction in a goods display room generate | occur | produces. Therefore, in the illumination device disclosed in Patent Document 1, a line-type LED lamp having a rectangular outer peripheral shape is used as a straight tube LED lamp, and a notch groove array is provided in the inner peripheral portion of the C-shaped ring portion of the lamp holder. By fitting the outer peripheral part of the lamp into the notch groove, the line-type LED lamp is prevented from rotating in the C-shaped ring part, and the intended direction in the product display room is surely illuminated.

Japanese Patent No. 2010-158337

  However, the illumination device described in Patent Document 1 is intended to prevent the line-type LED lamp from rotating within the C-shaped ring portion only when a line-type LED lamp having a rectangular outer periphery shape is used. The lighting direction can be reliably illuminated. For this reason, when a fluorescent lamp type LED lamp having a circular outer peripheral shape is used, the fluorescent lamp type LED lamp easily rotates within the C-shaped link portion, and the target direction cannot be reliably illuminated.

  The present invention has been made to solve such a problem, and its purpose is to rotate a fluorescent lamp LED lamp around a center line when the interior of a product display room is illuminated by the fluorescent lamp LED lamp. It is an object of the present invention to provide a showcase capable of preventing this and reliably illuminating a target direction in a product display room.

  A showcase according to the present invention includes a pair of lamp holders having a product display chamber inside, a showcase body having an opening on the front surface, a C-shaped ring portion, and attached to an illumination channel portion of the showcase body And both ends are held by the C-shaped ring part, and the fluorescent lamp type LED lamp for illuminating the commodity display room is attached to the illumination channel part, and the fluorescent lamp type LED lamp is connected to the fluorescent lamp type LED lamp. And a fitting holder fitted so as to restrict rotation around the center line.

  In the aforementioned showcase, the fluorescent lamp type LED lamp includes an LED module in which a plurality of LEDs are attached to a substrate, a cylindrical translucent cylinder covering the LED module, and the translucent cylinder. A pair of caps attached to both ends, and at least two recesses for mounting screws for attaching the caps to the LED module are provided on the outer periphery of the caps, and the fitting holder is fitted into the recesses. It is desirable to have a pair of protrusions.

  In the showcase described above, one of the bases is a power supply base and the other is a non-power supply base, and the protrusion of the fitting holder is fitted into the recess of the non-power supply base. It is desirable.

  In the showcase according to the present invention, both ends of the fluorescent lamp type LED lamp are held by the C-shaped ring portion of the lamp holder attached to the illumination channel portion, and the fitting holder attached to the illumination channel portion is fluorescent. The lamp-type LED lamp is fitted so as to restrict the rotation around the center line. For this reason, the fluorescent lamp type LED lamp is restricted from rotating around the center line, and the intended direction in the product display room can be reliably illuminated.

  In addition, the fitting holder has a pair of protrusions, and these protrusions are fitted into the recesses formed in the base so that rotation around the center line of the fluorescent lamp type LED lamp can be ensured with a simple configuration. Can be regulated.

  Also, one of the bases provided at both ends of the fluorescent lamp type LED lamp is a power supply base and the other is a non-power supply base. Therefore, even when the fitting holder is made of metal, it is possible to prevent an accident that causes the short circuit of the fitting holder.

It is a section side view showing the showcase of one embodiment of the present invention. It is a side view which expands and shows the arrangement state of a lamp holder, a fluorescent lamp type LED lamp, and a fitting holder. It is a perspective view which shows a fluorescent lamp type LED lamp. It is a perspective view which shows a fitting holder.

  An embodiment of the present invention will be described with reference to the drawings. FIG. 1 is a cross-sectional side view showing a showcase 1, and the showcase 1 has a base 2 and a showcase body 3 placed on the top of the base 2.

  The showcase main body 3 includes an outer peripheral wall 4 made of a heat insulating material having a U-shaped cross-section and a partition plate 5 located inside the outer peripheral wall 4. A product display chamber 6 is provided inside the showcase body 3, and an opening 7 is provided on the front surface of the showcase body 3. A plurality of product display shelves 8 are provided in the product display chamber 6 along the vertical direction, and these product display shelves 8 are attached to the partition plate 5.

  A duct 9 is provided between the outer peripheral wall 4 and the partition plate 5. In the duct 9, a cooler 10 that is a part of a refrigeration apparatus that generates cool air and a fan 11 that blows cool air are provided. On the upper front side of the duct 9, there is provided a blower outlet 12 through which the cold air flowing through the duct 19 as indicated by an arrow blows downward, and the cold air blown out from the blower outlet 12 is sucked into the lower front side of the duct 9. A suction port 13 is provided.

  An illumination channel portion 14 is provided on the upper front side of the showcase body 3, and a pair of lamp holders 15 and one fitting holder 29 are attached to the illumination channel portion 14. The LED lamp 16 is held. Further, on the upper front side of the showcase body 3, an acrylic row 17 is provided so as to cover the fluorescent lamp type LED lamp 16 and the illumination channel section 14.

  As shown in FIG. 3, the fluorescent lamp type LED lamp 16 includes a long substrate 18, a plurality of LEDs 19 disposed on the substrate 18, and a base attachment member (not shown) fixed to both ends of the substrate 18. An LED module 20 having a cylindrical shape, a light-transmitting cylindrical body 21 that houses the LED module 20, a power supply cap 22 provided at one end of the light-transmitting cylindrical body 21, and the light-transmitting cylindrical body 21. And a non-power supply base 23 provided on the other end side. A pair of recesses 24 are provided in the outer peripheral portion of the power supply base 22 and the non-power supply base 23, and screws 25 are mounted in these recesses 24 and the screws 25 are screwed into the base mounting member. Thus, the caps 22 and 23 are attached to the end of the translucent cylinder 21. The power supply base 22 is provided with two power supply pins 26, and the non-power supply base 23 is provided with two non-power supply pins 27. The power supply pin 26 and the non-power supply pin 27 are formed in the same shape.

  As shown in FIG. 2, the lamp holder 15 has a clip portion 15a on one end side and a C-shaped ring portion 15b having flexibility on the other end side. The lamp holder 15 is attached to the illumination channel portion 14 by inserting the clip portion 15a into an attachment long hole 28 formed in the illumination channel portion 14. Attachment of the fluorescent lamp type LED lamp 16 to the illumination channel part 14 is performed by fitting both ends of the fluorescent lamp type LED lamp 16 in the longitudinal direction to the C-shaped ring part 15b.

  As shown in FIG. 4, the fitting holder 29 is formed in a flat plate shape with metal, provided with a semicircular holding portion 29a on one end side, and provided with protrusions 29b on both ends of the holding portion 29a. The semicircular holding portion 29 a is formed to have a size surrounding the outer periphery of the fluorescent lamp type LED lamp 16. An attachment piece 29c bent in an L shape is provided on the other end side of the fitting holder 29, and an attachment hole 29d is provided in the attachment piece 29c.

  Further, as shown in FIG. 2, the fitting holder 29 is attached to the illumination channel portion 14 by a screw 30 inserted through the attachment hole 29 d. The fitting holder 29 is disposed on the non-power feeding base 23 side, and the protrusion 29 b is fitted in a recess 24 provided on the outer peripheral portion of the non-power feeding base 23.

  In such a configuration, by turning on the fluorescent lamp type LED lamp 16 attached to the illumination channel section 14, the interior of the product display chamber 6 is illuminated by the light emitted from the fluorescent lamp type LED lamp 16.

  The fluorescent lamp type LED lamp 16 is attached to the illumination channel section 14 by attaching a pair of lamp holders 15 to the illumination channel section 14 and fitting both ends of the fluorescent lamp type LED lamp 16 into the C-shaped ring section 15b of the lamp holder 15. It is done by combining. Further, a fitting holder 29 is attached to the illumination channel section 14, and a pair of protrusions 29 b provided on the fitting holder 29 is fitted into a recess 24 provided on the outer peripheral portion of the non-power feeding base 23. Yes. As described above, the protrusion 29b is fitted into the recess 24, whereby the fluorescent lamp type LED lamp 16 attached to the lamp holder 15 is restricted from rotating around the center line. The illumination in the target direction in the product display room 6 by the irradiated light can be maintained. Therefore, even when the fluorescent lamp type LED lamp 16 having a high directivity and a narrow illumination range is used as the lamp of the showcase 1, the fluorescent lamp type LED lamp 16 rotates around the center line, so Occurrence of a situation in which the lighting direction cannot be illuminated can be prevented.

  As a configuration for restricting rotation of the fluorescent lamp type LED lamp 16 attached to the lamp holder 15 around the center line, a fitting holder 29 is attached to the illumination channel portion 14 and provided in the fitting holder 29. The protrusion 29b is fitted in the recess 24 of the non-power feeding base 23, and a simple and inexpensive configuration can be obtained.

  When the fluorescent lamp used in the existing showcase is changed to the fluorescent lamp-type LED lamp 16, it is only necessary to apply the process for attaching the fitting holder 29 to the illumination channel section 14, and from the fluorescent lamp to the fluorescent lamp. The change to the lamp-type LED lamp 16 can be easily performed. In addition, the feeding base 22 of the fluorescent lamp type LED lamp 16 is provided with two feeding pins 26, and the non-feeding base 22 is provided with two non-feeding pins 27 having the same shape as the feeding pin 26. Therefore, when the fluorescent lamp type LED lamp 16 is changed from the fluorescent lamp, the fluorescent lamp type LED lamp 16 can be energized and held using the socket used in the existing showcase.

  Further, the fitting holder 29 is provided on the non-power feeding base 23 side, and the protrusion 29 b is fitted in the recess 24 provided on the non-power feeding base 23. For this reason, even if the fitting holder 29 is metal, the fitting holder 29 can prevent an accident that causes a short circuit.

DESCRIPTION OF SYMBOLS 1 Showcase 2 Base 3 Showcase main body 4 Outer peripheral wall 5 Partition plate 6 Goods display room 7 Opening 8 Goods display shelf 9 Duct 10 Cooler 11 Fan 12 Outlet 13 Suction port 14 Illumination channel part 15 Lamp holder 15a Grip part 15b C-shaped ring part 16 Fluorescent lamp type LED lamp 17 Gyokan 18 Substrate 19 LED
20 LED module 21 Translucent cylinder 22 Power supply base 23 Non-power supply base 24 Recess 25 Screw 26 Power supply pin 27 Non-power supply pin 28 Attachment long hole 29 Fitting holder 29a Holding part 29b Protrusion 29c Attachment piece 29d Attachment hole 30 screw

Claims (3)

A showcase body having a product display room inside and an opening on the front surface;
A pair of lamp holders having a C-shaped ring portion and attached to the illumination channel portion of the showcase body;
Both ends are held by the C-shaped ring part, and a fluorescent LED lamp for illuminating the product display room;
A fitting holder attached to the illumination channel portion and fitted to the fluorescent lamp type LED lamp so as to regulate rotation around a center line of the fluorescent lamp type LED lamp;
A showcase characterized by comprising:   The fluorescent LED lamp includes an LED module having a plurality of LEDs mounted on a substrate, a cylindrical translucent cylinder covering the LED module, and a pair of caps attached to both ends of the translucent cylinder. And at least two recesses for mounting screws for attaching the cap to the LED module are provided on the outer periphery of the cap, and the fitting holder has a pair of protrusions fitted into the recess. The showcase according to claim 1, wherein the showcase is characterized. The base is characterized in that one of the bases is a power supply base and the other is a non-power supply base, and the protrusion of the fitting holder is fitted in the recess of the non-power supply base. 2. The showcase according to 2.

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