JPS5880000U - Fluorescent light dimmer for the case - Google Patents

Fluorescent light dimmer for the case

Info

Publication number
JPS5880000U
JPS5880000U JP17570481U JP17570481U JPS5880000U JP S5880000 U JPS5880000 U JP S5880000U JP 17570481 U JP17570481 U JP 17570481U JP 17570481 U JP17570481 U JP 17570481U JP S5880000 U JPS5880000 U JP S5880000U
Authority
JP
Japan
Prior art keywords
dimmer
fluorescent lamp
dimming
case
fluorescent light
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.)
Granted
Application number
JP17570481U
Other languages
Japanese (ja)
Other versions
JPS6321920Y2 (en
Inventor
清水　訓
Original Assignee
三洋電機株式会社
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 三洋電機株式会社 filed Critical 三洋電機株式会社
Priority to JP17570481U priority Critical patent/JPS5880000U/en
Publication of JPS5880000U publication Critical patent/JPS5880000U/en
Application granted granted Critical
Publication of JPS6321920Y2 publication Critical patent/JPS6321920Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Freezers Or Refrigerated Showcases (AREA)
  • Discharge-Lamp Control Circuits And Pulse- Feed Circuits (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図は本考案に係る調光遅延タイマー回路及び調光回
路図、第２図は螢光灯の制御回路図、第３図は庫内螢光
灯の時間特性図である。 １・・・遅延タイマー回路、２・・・調光回路、６・・
・タイマー素子、Ｑｌ・・・第１のＮＰＮ型トランジス
タ、８・・・電磁開閉器、Ｒ１’　、Ｒ２’・・・可変
抵抗、９・・・トリガ素子、１０・・・トライアック、
１１・・・タイマー装置、１２・・・交流電源、１４・
・・螢光灯点灯回路。FIG. 1 is a diagram of a dimming delay timer circuit and a dimming circuit according to the present invention, FIG. 2 is a control circuit diagram of a fluorescent lamp, and FIG. 3 is a time characteristic diagram of a fluorescent lamp in the refrigerator. 1...Delay timer circuit, 2...Dimmer circuit, 6...
- Timer element, Ql... first NPN transistor, 8... electromagnetic switch, R1', R2'... variable resistor, 9... trigger element, 10... triac,
11... Timer device, 12... AC power supply, 14.
...Fluorescent lamp lighting circuit.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] ショーケースの庫内照明用に配設されている螢光灯へ流
れる電流の位相制御を電気弁を含む調光回路により行う
螢光灯調光装置において、前記調光回路の調光動作を動
作開始から所定時間は全点灯状態とし、且つ所定時間後
は減光点灯状態に制御するタイマー素子を含む調光遅延
タイマー回路と、前記調光遅延タイマー回路への通電時
間帯を側御するタイマー装置とを設けたことを特徴とす
るショーケースの螢光灯調光装置。In a fluorescent lamp dimmer device that uses a dimmer circuit including an electric valve to control the phase of a current flowing to a fluorescent lamp installed for illuminating the interior of a showcase, the dimmer operation of the dimmer circuit is operated. A dimming delay timer circuit including a timer element that controls a full lighting state for a predetermined time from the start and a dimming lighting state after a predetermined time, and a timer device that controls the time period during which electricity is supplied to the dimming delay timer circuit. A fluorescent lamp dimmer for a showcase, characterized by comprising:
JP17570481U 1981-11-25 1981-11-25 Fluorescent light dimmer for the case Granted JPS5880000U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP17570481U JPS5880000U (en) 1981-11-25 1981-11-25 Fluorescent light dimmer for the case

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17570481U JPS5880000U (en) 1981-11-25 1981-11-25 Fluorescent light dimmer for the case

Publications (2)

Publication Number Publication Date
JPS5880000U true JPS5880000U (en) 1983-05-30
JPS6321920Y2 JPS6321920Y2 (en) 1988-06-16

Family

ID=29968206

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17570481U Granted JPS5880000U (en) 1981-11-25 1981-11-25 Fluorescent light dimmer for the case

Country Status (1)

Country Link
JP (1) JPS5880000U (en)

Also Published As

Publication number Publication date
JPS6321920Y2 (en) 1988-06-16

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