JPH0470541U - - Google Patents
Info
- Publication number
- JPH0470541U JPH0470541U JP1990113529U JP11352990U JPH0470541U JP H0470541 U JPH0470541 U JP H0470541U JP 1990113529 U JP1990113529 U JP 1990113529U JP 11352990 U JP11352990 U JP 11352990U JP H0470541 U JPH0470541 U JP H0470541U
- Authority
- JP
- Japan
- Prior art keywords
- light
- lamp
- electric heating
- temperature
- transparent
- 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
Links
- 239000003973 paint Substances 0.000 claims description 6
- 238000005485 electric heating Methods 0.000 claims description 5
- 230000002441 reversible effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Landscapes
- Arrangements Of Lighting Devices For Vehicle Interiors, Mounting And Supporting Thereof, Circuits Therefore (AREA)
- Control Of Resistance Heating (AREA)
Description
添付図面は本考案に係る灯具の一実施例を示し
、第１図は自動車の室内灯に使用した例の断面図
、第２図は点灯回路および加熱回路の電気回路図
、第３図はリレースイツチ駆動出力のブロツク図
、第４図はサーミスタの特性を示したグラフ、第
５図は熱変色塗料塗布薄板の説明図、第６図は熱
変色塗料塗布薄板の変形例を示した説明図、第７
図は透明電熱体の説明図である。
１……ハウジング、２……レンズ、３４……光
源バルブ、４……サーミスタ、５……熱変色塗料
塗布薄板（熱変色塗料層）、６……透明電熱体、
７……電気回路基板（開閉部）。
The attached drawings show one embodiment of the lighting device according to the present invention, and FIG. 1 is a cross-sectional view of an example used for an interior light of an automobile, FIG. 2 is an electric circuit diagram of a lighting circuit and a heating circuit, and FIG. 3 is a relay. A block diagram of the switch drive output, Fig. 4 is a graph showing the characteristics of the thermistor, Fig. 5 is an explanatory diagram of a thin plate coated with thermochromic paint, Fig. 6 is an explanatory diagram showing a modification of the thin plate coated with thermochromic paint, 7th
The figure is an explanatory diagram of a transparent electric heating element. 1... Housing, 2... Lens, 34... Light source bulb, 4... Thermistor, 5... Thin plate coated with thermochromic paint (thermochromic paint layer), 6... Transparent electric heating element,
7... Electric circuit board (opening/closing part).
Claims (1)
に配設した光源バルブと、前記レンズに配設した
常温時では着色の光不透過性の状態となりかつ高
温時では光透過性の状態となる可逆性の熱変色塗
料層と、その熱変色塗料層を変色させる光透過性
の電熱体とを備えた灯具において、 前記光透過性の電熱体の温度を検知する温度セ
ンサと、その温度センサを介して所定の設定温度
域において前記光透過性の電熱体の回路を開閉す
る開閉部とを備えたことを特徴とする灯具。[Scope of Claim for Utility Model Registration] A light source bulb disposed within a lamp chamber defined by a housing and a lens, and a light source disposed in the lens that is colored and non-transparent at room temperature and light transmissive at high temperature. In a lamp equipped with a reversible thermochromic paint layer that changes color and a light-transparent electric heating element that changes color of the thermochromic paint layer, the lamp includes a temperature sensor that detects the temperature of the light-transparent electric heating element; A lamp comprising: an opening/closing section that opens and closes a circuit of the light-transmissive electric heating body in a predetermined set temperature range via the temperature sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990113529U JPH072319Y2 (en) | 1990-10-31 | 1990-10-31 | Lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990113529U JPH072319Y2 (en) | 1990-10-31 | 1990-10-31 | Lamp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0470541U true JPH0470541U (en) | 1992-06-23 |
| JPH072319Y2 JPH072319Y2 (en) | 1995-01-25 |
Family
ID=31861127
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990113529U Expired - Lifetime JPH072319Y2 (en) | 1990-10-31 | 1990-10-31 | Lamp |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH072319Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113932162A (en) * | 2021-11-12 | 2022-01-14 | 欧普照明股份有限公司 | Concealed lamp |
-
1990
- 1990-10-31 JP JP1990113529U patent/JPH072319Y2/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113932162A (en) * | 2021-11-12 | 2022-01-14 | 欧普照明股份有限公司 | Concealed lamp |
| CN113932162B (en) * | 2021-11-12 | 2023-09-22 | 欧普照明股份有限公司 | Concealed lamp |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH072319Y2 (en) | 1995-01-25 |
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