JPH0436692U - - Google Patents
Info
- Publication number
- JPH0436692U JPH0436692U JP7559690U JP7559690U JPH0436692U JP H0436692 U JPH0436692 U JP H0436692U JP 7559690 U JP7559690 U JP 7559690U JP 7559690 U JP7559690 U JP 7559690U JP H0436692 U JPH0436692 U JP H0436692U
- Authority
- JP
- Japan
- Prior art keywords
- mounting base
- element mounting
- circuit board
- printed circuit
- main body
- 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
- 230000001681 protective effect Effects 0.000 claims description 4
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 claims 1
- 239000004065 semiconductor Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Fire-Detection Mechanisms (AREA)
Description
第１図は、本考案実施例を示す縦断面図、第２
図〜第５図は第１図の部品図で、第２図は本体の
縦断面図、第３図は素子取付台の縦断断図、第４
図は保護カバーの縦断断図、第５図はプリント基
板の縦断面図、である。
１……本体、２……保護カバー、４……素子取
付台、６……取付ねじ、８……プリント基板、８
ａ……接続孔、１０……感熱素子、２３……固定
用支柱、４２……係止用支柱、４３……囲壁、４
４……貫通孔、６１……リード部、８１……係止
孔、８３……係止孔、８４……接続孔、１０２…
…係止用突起、１０３……凸部。
Fig. 1 is a vertical sectional view showing an embodiment of the present invention;
Figures to Figures 5 are parts diagrams of Figure 1, Figure 2 is a vertical sectional view of the main body, Figure 3 is a vertical sectional view of the element mounting base, and Figure 4 is a vertical sectional view of the element mounting base.
The figure is a longitudinal sectional view of the protective cover, and FIG. 5 is a longitudinal sectional view of the printed circuit board. 1... Main body, 2... Protective cover, 4... Element mounting base, 6... Mounting screw, 8... Printed circuit board, 8
a... Connection hole, 10... Heat-sensitive element, 23... Fixing strut, 42... Locking strut, 43... Surrounding wall, 4
4... Through hole, 61... Lead portion, 81... Locking hole, 83... Locking hole, 84... Connection hole, 102...
...Latching protrusion, 103...Protrusion.
Claims (1)
によつて有底筒状の本体の底面上に接続端子が取
付けられ、プリント基板が本体内に突出する固定
具のリード部が接続孔に挿通半田付けされて本体
内に取り付けられ、プリント基板に該プリント基
板より小径の素子取付台が該素子取付台の係止用
支柱と突出部によつて係合支持され、半導体式感
熱素子のリード線が素子取付台の貫通孔を挿通し
てプリント基板の接続孔に半田付けされ、本体と
素子取付台との間の環状部を固定用支柱によつて
本体に係止される環状の保護カバーによつて覆つ
てなることを特徴とする熱式火災感知器。 (2) プリント基板は、素子取付台より大径の部
分で係止用突起に係合され、固定具のリード部に
半田付けされてなることを特徴とする請求項１に
記載の熱式火災感知器。 (3) 素子取付台は、周縁に環状の鍔状段部を有
し、保護カバーはその内縁開口部が素子取付台の
鍔状段部を実質的に覆う形状に形成されているこ
とを特徴とする請求項第１または、第２に記載の
熱式火災感知器。 (4) 素子取付台の突出部は、貫通孔を覆う囲壁
であることを特徴とする請求項第１、第２または
第３に記載の熱式火災感知器。 (5) 本体は、プリント基板が係合される係止用
突起が設けられていることを特徴とする請求項第
１、第２、又は、第４に記載の熱式火災感知器。[Claims for Utility Model Registration] (1) A connecting terminal is attached to the bottom surface of a cylindrical body with a bottom by a fixture whose tip end protrudes into the body, and a printed circuit board protrudes into the body. The lead part of the fixture is inserted into the connection hole and soldered into the main body, and the element mounting base, which has a smaller diameter than the printed circuit board, is engaged with the printed circuit board by the locking column and protruding part of the element mounting base. The lead wire of the semiconductor type heat-sensitive element is passed through the through hole of the element mounting base and soldered to the connection hole of the printed circuit board, and the annular part between the main body and the element mounting base is fixed to the main body by the fixing column. A thermal fire detector characterized in that it is covered by an annular protective cover that is secured to a ring. (2) The thermal fire extinguisher according to claim 1, wherein the printed circuit board is engaged with the locking protrusion at a portion having a larger diameter than the element mounting base, and is soldered to the lead portion of the fixture. sensor. (3) The element mounting base has an annular flange-shaped step on its periphery, and the protective cover is characterized in that the inner edge opening thereof is formed in a shape that substantially covers the flange-shaped step of the element mount. The thermal fire detector according to claim 1 or 2. (4) The thermal fire detector according to claim 1, wherein the protrusion of the element mounting base is a surrounding wall that covers the through hole. (5) The thermal fire detector according to claim 1, wherein the main body is provided with a locking projection to which a printed circuit board is engaged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7559690U JP2531997Y2 (en) | 1990-07-18 | 1990-07-18 | Thermal fire detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7559690U JP2531997Y2 (en) | 1990-07-18 | 1990-07-18 | Thermal fire detector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0436692U true JPH0436692U (en) | 1992-03-27 |
| JP2531997Y2 JP2531997Y2 (en) | 1997-04-09 |
Family
ID=31616306
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7559690U Expired - Lifetime JP2531997Y2 (en) | 1990-07-18 | 1990-07-18 | Thermal fire detector |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2531997Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000194966A (en) * | 1998-12-25 | 2000-07-14 | Nittan Co Ltd | Fire sensor |
-
1990
- 1990-07-18 JP JP7559690U patent/JP2531997Y2/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000194966A (en) * | 1998-12-25 | 2000-07-14 | Nittan Co Ltd | Fire sensor |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2531997Y2 (en) | 1997-04-09 |
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