JPH02126293U - - Google Patents
Info
- Publication number
- JPH02126293U JPH02126293U JP3510889U JP3510889U JPH02126293U JP H02126293 U JPH02126293 U JP H02126293U JP 3510889 U JP3510889 U JP 3510889U JP 3510889 U JP3510889 U JP 3510889U JP H02126293 U JPH02126293 U JP H02126293U
- Authority
- JP
- Japan
- Prior art keywords
- base
- circuit board
- printed circuit
- gasket
- detection section
- 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
- 238000001514 detection method Methods 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims 1
- 239000000779 smoke Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 238000012856 packing Methods 0.000 description 2
Landscapes
- Fire-Detection Mechanisms (AREA)
- Fire Alarms (AREA)
Description
第１図は本考案の実施例の断面図、第２図ａ，
ｂは同上の第２のパツキンの装着方法を示す説明
図及び断面図、第３図は同上の第１のパツキンの
他の実施例を示す断面図、第４図は同上の断面図
、第５図ａ，ｂは同上の第２のパツキンの他の実
施例を示す説明図及び断面図、第６図ａ，ｂは同
上の第２のパツキンの更に他の実施例を示す説明
図及び断面図、第７図は従来例の断面図である。
１……ベース、６……検出部、８……プリント
基板、１１……端子、１２……穴、１３……第１
のパツキン、１４……第２のパツキンである。
Figure 1 is a sectional view of an embodiment of the present invention, Figure 2a,
b is an explanatory diagram and a cross-sectional view showing how to attach the second gasket, FIG. 3 is a cross-sectional view showing another embodiment of the first gasket, FIG. 4 is a cross-sectional view, and Figures a and b are explanatory diagrams and sectional views showing other embodiments of the second packing described above, and Figures 6 a and b are explanatory diagrams and sectional views showing still other embodiments of the second packing described above. , FIG. 7 is a sectional view of a conventional example. 1... Base, 6... Detection unit, 8... Printed circuit board, 11... Terminal, 12... Hole, 13... First
Patsukin, 14...This is the second Patsukin.
Claims (1)
て火災を感知する電子回路を実装したプリント基
板と、このプリント基板を納装配設するベースと
、一端が上記プリント基板に接続され他端がベー
スの閉塞面に穿孔された穴を介して突出した端子
とを備えた感知器において、上記プリント基板の
電子回路部品をベースの閉塞面側にのみ実装し、
該プリント基板の周縁部とベースの内側面との間
に第１のパツキンを密閉配置し、ベースの穴に第
２のパツキンを密閉配置して上記端子の他端を第
２のパツキンを介して突出したことを特徴とする
感知器の密閉構造。 A printed circuit board mounted with a detection section that detects smoke and heat, an electronic circuit that detects fire using the output of this detection section, a base on which this printed circuit board is mounted, and one end connected to the above printed circuit board and the other end. and a terminal protruding through a hole drilled in the closed surface of the base, in which the electronic circuit components of the printed circuit board are mounted only on the closed surface side of the base,
A first gasket is hermetically arranged between the peripheral edge of the printed circuit board and the inner surface of the base, a second gasket is hermetically placed in the hole of the base, and the other end of the terminal is connected through the second gasket. The sealed structure of the sensor is characterized by its protrusion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3510889U JPH02126293U (en) | 1989-03-28 | 1989-03-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3510889U JPH02126293U (en) | 1989-03-28 | 1989-03-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02126293U true JPH02126293U (en) | 1990-10-17 |
Family
ID=31540181
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3510889U Pending JPH02126293U (en) | 1989-03-28 | 1989-03-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02126293U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04108292U (en) * | 1991-02-25 | 1992-09-18 | 松下電工株式会社 | photoelectric smoke detector |
-
1989
- 1989-03-28 JP JP3510889U patent/JPH02126293U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04108292U (en) * | 1991-02-25 | 1992-09-18 | 松下電工株式会社 | photoelectric smoke detector |