JPH0423188U - - Google Patents
Info
- Publication number
- JPH0423188U JPH0423188U JP8324890U JP8324890U JPH0423188U JP H0423188 U JPH0423188 U JP H0423188U JP 8324890 U JP8324890 U JP 8324890U JP 8324890 U JP8324890 U JP 8324890U JP H0423188 U JPH0423188 U JP H0423188U
- Authority
- JP
- Japan
- Prior art keywords
- housing
- heat
- bottom plate
- opening
- fire alarm
- 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.)
- Pending
Links
- 238000009423 ventilation Methods 0.000 claims description 4
- 230000005855 radiation Effects 0.000 claims description 3
- 230000017525 heat dissipation Effects 0.000 description 1
Landscapes
- Cooling Or The Like Of Electrical Apparatus (AREA)
- Fire Alarms (AREA)
Description
第１図は本考案を実施した筐体及び扉の実施例
を示す斜視図、第２図は第１図の筐体及び扉にプ
リント基板と操作板を取付けた状態を示す断面図
、第３図は本考案を実施した火災受信機の平面図
、第４図、第５図は放熱手段を備えた従来の火災
報知用機器の斜視図である。
１……筐体、１１……底板、１６，２７……放
熱穴、１７，１８……開口部、１９……通気路、
２……扉、２８……通気穴、３……プリント基板
、４……発熱部品。
Fig. 1 is a perspective view showing an embodiment of the casing and door in which the present invention is implemented, Fig. 2 is a cross-sectional view showing the casing and door of Fig. 1 with a printed circuit board and an operation panel attached, and Fig. 3 The figure is a plan view of a fire receiver embodying the present invention, and FIGS. 4 and 5 are perspective views of conventional fire alarm equipment equipped with heat dissipation means. 1... Housing, 11... Bottom plate, 16, 27... Heat radiation hole, 17, 18... Opening, 19... Ventilation path,
2... Door, 28... Ventilation hole, 3... Printed circuit board, 4... Heat generating parts.
Claims (1)
が取付けられた火災報知用機器において、 前記筐体の底板の背面において周壁の上又は上
下に設けた開口部により形成された通気路と、 前記発熱部品より上方において前記底板に設け
られ、前記通気路に開口する放熱穴とを備えたこ
とを特徴とする火災報知用機器の放熱構造。[Scope of Claim for Utility Model Registration] Fire alarm equipment that has a housing and a door or a lid, and a heat-generating component is installed in the housing, provided above or above a surrounding wall on the back of the bottom plate of the housing. A heat radiation structure for a fire alarm device, comprising: a ventilation path formed by an opening; and a radiation hole provided in the bottom plate above the heat generating component and opening into the ventilation path.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8324890U JPH0423188U (en) | 1990-08-08 | 1990-08-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8324890U JPH0423188U (en) | 1990-08-08 | 1990-08-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0423188U true JPH0423188U (en) | 1992-02-26 |
Family
ID=31630755
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8324890U Pending JPH0423188U (en) | 1990-08-08 | 1990-08-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0423188U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6339826U (en) * | 1986-08-30 | 1988-03-15 |
-
1990
- 1990-08-08 JP JP8324890U patent/JPH0423188U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6339826U (en) * | 1986-08-30 | 1988-03-15 |
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