JP2671196B2 - Cooling showcase lighting equipment - Google Patents
Cooling showcase lighting equipmentInfo
- Publication number
- JP2671196B2 JP2671196B2 JP8198795A JP8198795A JP2671196B2 JP 2671196 B2 JP2671196 B2 JP 2671196B2 JP 8198795 A JP8198795 A JP 8198795A JP 8198795 A JP8198795 A JP 8198795A JP 2671196 B2 JP2671196 B2 JP 2671196B2
- Authority
- JP
- Japan
- Prior art keywords
- shield tube
- fluorescent lamp
- tube
- shield
- showcase
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Lifetime
Links
Landscapes
- Devices That Are Associated With Refrigeration Equipment (AREA)
- Freezers Or Refrigerated Showcases (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本発明は冷蔵や冷凍用の各種ショ
ーケースに使用する照明装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lighting device used in various showcases for refrigeration and freezing.
【０００２】[0002]
【従来の技術】冷凍、冷蔵用のショーケース内に設けた
照明用の蛍光灯は、ケース内の低温空気によって冷却さ
れると照度が低下し、また蛍光灯が点滅したりする。蛍
光灯の照度低下防止には調光装置で電圧を上げたり、あ
るいは低温空気によって冷却されないよう蛍光灯をシー
ルドチューブでカバーする手段が講じられている。2. Description of the Related Art An illumination fluorescent lamp provided in a freezing or refrigerating showcase loses its illuminance when it is cooled by low-temperature air in the case, and the fluorescent lamp blinks. In order to prevent the illuminance of the fluorescent lamp from decreasing, measures are taken to raise the voltage with a light control device or to cover the fluorescent lamp with a shield tube so as not to be cooled by low temperature air.
【０００３】シールドチューブでカバーする手段の場合
のシールドチューブはある程度大径なほど蛍光灯が冷却
されるのを防止できるが、ケース内の陳列商品は種類に
よって被冷却温度域を異にする。したがって、１本のシ
ールドチューブで蛍光灯を被覆する照明であると、或る
一つの温度域での冷却防止対策にしかならない。In the case of the means of covering with a shield tube, the larger the diameter of the shield tube is, the more it is possible to prevent the fluorescent lamp from being cooled. However, the temperature range to be cooled is different depending on the kind of the display product in the case. Therefore, the illumination in which the fluorescent lamp is covered with one shield tube can only serve as a cooling prevention measure in a certain temperature range.
【０００４】本発明は、シールドチューブを２本装着で
きるようにすることにより、３温度域での蛍光灯の冷却
防止を期せるようにした。According to the present invention, two shield tubes can be attached to prevent the fluorescent lamp from being cooled in three temperature ranges.
【０００５】[0005]
【本発明の構成】本発明に係る冷却ショーケースの照明
装置は端板の片面に、蛍光灯の端部を挿入する第１の筒
部と、同筒部の外側面との間に第１シールドチューブ挿
入用の周隙が形成されるよう第２筒部を設け、かつこの
第２筒部に第２シールドチューブを嵌合できるようにし
た一対のソケットを備えたものとしてある。The illuminating device for a cooling showcase according to the present invention comprises a first tube portion on one surface of an end plate between which a first tube portion for inserting an end portion of a fluorescent lamp is inserted and an outer surface of the tube portion. The second tubular portion is provided so as to form a peripheral space for inserting the shield tube, and the second tubular portion is provided with a pair of sockets into which the second shield tube can be fitted.
【０００６】[0006]
【実施例】以下本発明を添付図面に示す実施例により説
明する。本発明は冷蔵もしくは冷凍用等の各種冷却ショ
ーケースに使用するが、そのショーケースの一例を図１
に示す。DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below with reference to the embodiments shown in the accompanying drawings. The present invention is used for various cooling showcases for refrigeration or freezing. An example of the showcase is shown in FIG.
Shown in
【０００７】同図のものは縦形オープンショーケースを
示し、ケース本体１の前部に開成された商品出入口２
に、上部吹出口３から吹き出される冷却空気によってエ
アカーテンが形成され、エアカーテンの空気は下部吸込
口４から空気路に吸入され、送風機５、冷却器６を経て
冷却空気として前記吹出口より商品出入口に再び吹き出
される。The figure shows a vertical open showcase, in which a product entrance / exit 2 opened at the front of the case body 1.
In addition, an air curtain is formed by the cooling air blown from the upper air outlet 3, the air of the air curtain is sucked into the air passage from the lower air inlet 4, passes through the blower 5 and the cooler 6, and is cooled as cooling air from the air outlet. It is blown again to the product entrance.
【０００８】このショーケースには陳列棚７の商品を照
明する蛍光照明装置８を設けてあるが、本発明はこの蛍
光照明装置の改良に関する。本発明の照明装置において
はソケットを新規な構造のものに改良してあり、以下そ
れについて説明する。The showcase is provided with a fluorescent lighting device 8 for illuminating the goods on the display shelf 7. The present invention relates to an improvement of this fluorescent lighting device. In the lighting device of the present invention, the socket has been improved to have a novel structure, which will be described below.
【０００９】ソケット１１は、棒状蛍光灯１６の端部口
金端子ピン１６ａを挿入する孔１７があけられ、かつ片
側（外側）に接続端子１８を有する端板１２の反対側
（一対のソケットの対抗面側）に蛍光灯１６の端部を挿
入する短い第１筒部１３ａを設けてあるとともに、この
筒部の外周との間に周隙１４が形成されるように同心を
なす短い第２筒部１３ｂをも設けてあり、周隙１４に透
明な第１シールドチューブ１５ａの端部を挿入できるよ
うにしてあり、また第２筒部１３ｂにも透明な第２のシ
ールドチューブ１５ｂを嵌合できるようにしてある。The socket 11 has a hole 17 into which the end cap terminal pin 16a of the rod-shaped fluorescent lamp 16 is inserted, and the opposite side of the end plate 12 having the connection terminal 18 on one side (outer side) (opposite of the pair of sockets). A short first tube portion 13a into which the end of the fluorescent lamp 16 is inserted is provided on the surface side, and a short second tube tube that is concentric so that a peripheral gap 14 is formed between the first tube portion 13a and the outer circumference of the tube portion. A portion 13b is also provided so that the end portion of the transparent first shield tube 15a can be inserted into the circumferential gap 14, and the transparent second shield tube 15b can also be fitted to the second tube portion 13b. Is done.
【００１０】また、第１筒部１３ａは第２筒部１３ｂよ
りもＬだけ若干延出せしめて、突出量を第２筒部１３ｂ
よりも大ならしめてあり、かくして、第１シールドチュ
ーブを１５ａを前記周隙１４へ挿入する際、第１筒部１
３ａの延出部がガイドの機能をして周隙へ手際よく容易
に挿入できるように工夫してある。Further, the first tubular portion 13a is slightly extended from the second tubular portion 13b by L so that the protrusion amount is the second tubular portion 13b.
The first cylindrical portion 1 is thus made larger when inserting the first shield tube 15a into the circumferential gap 14.
The extending portion of 3a functions as a guide and is devised so that it can be easily and easily inserted into the circumferential space.
【００１１】符号１９はソケットのカバーで、ソケット
はカバー、端板および第１、第２の筒部が一体に成型さ
れている。なお、符号２０は接続端子へのリード線、２
１はランプホルダであり、第１シールドチューブ１５
ａ、第２シールドチューブ１５ｂのいずれをもクランプ
できるよう適度の弾性を有するプラスチックや金属製の
ものとしてある。Reference numeral 19 is a cover of the socket, and the socket has the cover, the end plate and the first and second cylindrical portions integrally molded. Reference numeral 20 is a lead wire to the connection terminal, 2
1 is a lamp holder, which is a first shield tube 15
It is made of plastic or metal having appropriate elasticity so that both a and the second shield tube 15b can be clamped.
【００１２】本発明に係る照明装置は次のようにして使
用する。 (a) 小径のシールドチューブ１５ａだけを使用する場合 この場合はシールドチューブ１５ａの端部をソケットの
周隙１４に嵌め込んで第１筒部１３ａの外側に嵌合させ
て使用する。この使用例はショーケース内の温度域が比
較的低くない場合、例えば野菜や果物の保冷用に適す
る。 (b) 大径のシールドチューブ１５ｂだけを使用する場合 この場合はシールドチューブ１５ｂの端部をソケットの
第２筒部１３ａの外側に嵌合させる。この使用例はショ
ーケース内の温度域が比較的低い場合、例えば生鮮魚肉
類の冷蔵用に適する。 (c) 小径シールドチューブ１５ａと大径シールドチュー
ブ１５ｂとを併用する場合 この場合はシールドチューブ１５ａの端部をソケットの
周隙１４に嵌め込んで第１筒部１３ａの外側に嵌合さ
せ、また、シールドチューブ１５ｂの端部をソケットの
第２筒部１３ａの外側に嵌合させる。この使用例はショ
ーケース内の温度域が冷凍用等に低い場合、例えば冷菓
子その他の冷凍食品の冷却用に適する。The lighting device according to the present invention is used as follows. (a) When only the small diameter shield tube 15a is used In this case, the end portion of the shield tube 15a is fitted into the circumferential gap 14 of the socket and fitted to the outside of the first tubular portion 13a for use. This use example is suitable for keeping the vegetables and fruits cold when the temperature range in the showcase is not relatively low. (b) When only large-diameter shield tube 15b is used In this case, the end portion of the shield tube 15b is fitted to the outside of the second cylindrical portion 13a of the socket. This use example is suitable when the temperature range in the showcase is relatively low, for example, for refrigerating fresh fish meat. (c) When using both the small diameter shield tube 15a and the large diameter shield tube 15b In this case, the end portion of the shield tube 15a is fitted into the circumferential gap 14 of the socket and fitted to the outside of the first tubular portion 13a. The end portion of the shield tube 15b is fitted to the outside of the second cylindrical portion 13a of the socket. This use example is suitable for cooling a frozen confectionery or other frozen food when the temperature range in the showcase is low for freezing.
【００１３】本発明の照明装置によれば３種のそれぞれ
の温度域に対応してシールドチューーブを３通りに使用
できる。これにより蛍光灯が冷却空気によって過冷却さ
れるのを防止され、蛍光灯の照度が冷却によって低下す
るのを防止できる。According to the lighting device of the present invention, the shield tube can be used in three ways corresponding to each of the three temperature ranges. This prevents the fluorescent lamp from being overcooled by the cooling air, and prevents the illuminance of the fluorescent lamp from decreasing due to cooling.
【００１４】このように冷却による蛍光灯の照度低下が
防止されるので、アダプタ等の調光装置は不要であり、
また照度の高い蛍光灯にする必要はなく、省エネルギー
の目的を果たせる。As described above, since the reduction of the illuminance of the fluorescent lamp due to the cooling is prevented, a dimmer such as an adapter is unnecessary,
Moreover, it is not necessary to use a fluorescent lamp with high illuminance, and the purpose of energy saving can be achieved.
【００１５】なお、大小のシールドチューブをそれぞれ
単品及び両者の組み合わせで使用した場合の照度比（第
１シールドチューブの照度を１００とした場合）の実験
結果は次のとおりである。 ＜照度テスト条件＞ 蛍光灯のワット数 ： ４０Ｗ 第１シールドチューブの外径： ３８ｍｍ 第２シールドチューブの外径： ４２ｍｍ 温度 ： ０℃ ＜照度結果＞ 使用シールドチューブ 照度比 第１シールドチューブだけの場合 ： １００ 第２シールドチューブだけの場合 ： １２０ 第１、第２シールドチューブ併用の場合： １３２ 照度実験結果は上記のとおりであるが、本発明の照明装
置によれば蛍光灯の寿命をも一段と延長せしめることが
できる。The experimental results of the illuminance ratio (when the illuminance of the first shield tube is 100) when the large and small shield tubes are used individually and in combination of the two are as follows. <Illuminance test conditions> wattage of fluorescent lamp: 40W Outer diameter of first shield tube: 38mm Outer diameter of second shield tube: 42mm Temperature: 0 ° C <Illuminance result> Shield tube used Irradiation ratio First shield tube only : 100 In case of using only the second shield tube: 120 In case of using in combination with the first and second shield tubes: 132 The illuminance test result is as described above, but according to the lighting device of the present invention, the life of the fluorescent lamp is further extended. It can be done.
【００１６】なお、ショーケースの実施例は前面に商品
出入口が開口する縦型オープンショーケースを示した
が、上部に商品出入口を有する平型オープンショースの
場合もあり、あるいはオープンショーケースとは別に、
引き戸や扉を備えるいわゆるリーチインタイプのショー
ケースの場合もある。In the embodiment of the showcase, the vertical open showcase in which the product entrance / exit is opened on the front surface is shown, but it may be a flat open show having a product entrance / exit at the top, or separately from the open showcase. ,
It may be a so-called reach-in type showcase equipped with a sliding door or a door.
【００１７】[0017]
【発明の効果】以上本発明によれば、２本のシールドチ
ューブで蛍光灯の冷却防止対策を３種類の温度域にそれ
ぞれ適合するよう簡単に講じることができ、また、これ
により蛍光灯の照度低下を防止できて調光装置が不要と
なり、照明装置のコストを低減でき、かつ省エネルギー
化を期せる利点がある。As described above, according to the present invention, it is possible to easily take measures to prevent the cooling of a fluorescent lamp by using two shield tubes so that the fluorescent lamp can be adapted to each of the three temperature ranges. There is an advantage that it is possible to prevent the decrease, the dimming device becomes unnecessary, the cost of the lighting device can be reduced, and energy saving can be achieved.
【図１】本発明の照明装置を備えるショーケースの一例
を示す縦断側面図。FIG. 1 is a vertical cross-sectional side view showing an example of a showcase including a lighting device of the present invention.
【図２】本発明に係る照明装置の縦断面図。FIG. 2 is a vertical cross-sectional view of a lighting device according to the present invention.
【図３】本発明に係る照明装置の縦断側面図。FIG. 3 is a vertical cross-sectional side view of a lighting device according to the present invention.
１・・・ケース本体 １１・・・ソケット １２・・・端板 １３ａ・・・第１筒部 １３ｂ・・・第２筒部 １４・・・周隙 １５ａ・・・第１シールドチューブ １５ｂ・・・第２シールドチューブ １６・・・蛍光灯 １７・・・孔 １８・・・接続端子 １９・・・カバー ２０・・・リード線 ２１・・・ランプホルダ DESCRIPTION OF SYMBOLS 1 ... Case main body 11 ... Socket 12 ... End plate 13a ... 1st cylinder part 13b ... 2nd cylinder part 14 ... Circumferential gap 15a ... 1st shield tube 15b ... -Second shield tube 16 ... Fluorescent lamp 17 ... Hole 18 ... Connection terminal 19 ... Cover 20 ... Lead wire 21 ... Lamp holder
Claims (1)
１の筒部と、同筒部の外側面との間に第１シールドチュ
ーブ挿入用の周隙が形成されるよう第２筒部を設け、か
つこの第２筒部に第２シールドチューブを嵌合できるよ
うにした一対のソケットを備える冷却ショーケースの照
明装置。1. A circumferential space for inserting a first shield tube is formed on one surface of an end plate between a first tubular portion into which an end portion of a fluorescent lamp is inserted and an outer surface of the tubular portion. An illumination device for a cooling showcase, comprising a second tubular portion, and a pair of sockets into which a second shield tube can be fitted.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8198795A JP2671196B2 (en) | 1995-03-14 | 1995-03-14 | Cooling showcase lighting equipment |
| CN 95108305 CN1095064C (en) | 1995-03-14 | 1995-06-14 | Illuminating apparatus for refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8198795A JP2671196B2 (en) | 1995-03-14 | 1995-03-14 | Cooling showcase lighting equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH08242988A JPH08242988A (en) | 1996-09-24 |
| JP2671196B2 true JP2671196B2 (en) | 1997-10-29 |
Family
ID=13761836
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8198795A Expired - Lifetime JP2671196B2 (en) | 1995-03-14 | 1995-03-14 | Cooling showcase lighting equipment |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2671196B2 (en) |
| CN (1) | CN1095064C (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100441986C (en) * | 2004-01-29 | 2008-12-10 | 乐金电子(天津)电器有限公司 | Internal lamp protector for refrigerator |
| JP4956012B2 (en) * | 2006-02-14 | 2012-06-20 | 三洋電機株式会社 | Showcase |
-
1995
- 1995-03-14 JP JP8198795A patent/JP2671196B2/en not_active Expired - Lifetime
- 1995-06-14 CN CN 95108305 patent/CN1095064C/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH08242988A (en) | 1996-09-24 |
| CN1095064C (en) | 2002-11-27 |
| CN1131269A (en) | 1996-09-18 |
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