JPH0316690U - - Google Patents
Info
- Publication number
- JPH0316690U JPH0316690U JP7628089U JP7628089U JPH0316690U JP H0316690 U JPH0316690 U JP H0316690U JP 7628089 U JP7628089 U JP 7628089U JP 7628089 U JP7628089 U JP 7628089U JP H0316690 U JPH0316690 U JP H0316690U
- Authority
- JP
- Japan
- Prior art keywords
- temperature coefficient
- positive temperature
- coefficient thermistor
- chips
- main surfaces
- 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
- 239000000919 ceramic Substances 0.000 claims description 2
- 230000017525 heat dissipation Effects 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000005219 brazing Methods 0.000 description 1
- 239000011093 chipboard Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Resistance Heating (AREA)
- Thermistors And Varistors (AREA)
Description
第１図および第２図は本考案に係る正特性サー
ミスタ発熱装置の一実施例を示す概略断面図およ
び概略斜視図、第３図は第１図中の正特性サーミ
スタチツプもしくはダミーチツプを示す斜視図、
第４図は第１図における正特性サーミスタの配列
状況を説明する図、第５図および第６図は本考案
の他の実施例示す概略断面図および概略正面図で
ある。
１，１７…正特性サーミスタ、３…正特性サー
ミスタチツプ、３ａ…正特性セラミツク板、３ｂ
，３ｃ…電極、５，１５…ダミーチツプ、５ａ…
ダミーチツプ板、５ｂ，５ｃ…電極、７，１９…
放熱フイン、７ａ…コルゲートフイン、７ｂ，７
ｃ…フインカバー、９…ろう材、１１…端子、１
３…ジグ、２１…接着剤。
1 and 2 are a schematic cross-sectional view and a schematic perspective view showing one embodiment of the PTC thermistor heating device according to the present invention, and FIG. 3 is a perspective view showing the PTC thermistor chip or dummy chip in FIG. 1. ,
FIG. 4 is a diagram for explaining the arrangement of the PTC thermistors in FIG. 1, and FIGS. 5 and 6 are a schematic sectional view and a schematic front view showing other embodiments of the present invention. 1, 17... Positive temperature coefficient thermistor, 3... Positive temperature coefficient thermistor chip, 3a... Positive temperature coefficient ceramic plate, 3b
, 3c... Electrode, 5, 15... Dummy chip, 5a...
Dummy chip board, 5b, 5c... Electrode, 7, 19...
Heat dissipation fin, 7a... Corrugated fin, 7b, 7
c... Fin cover, 9... Brazing metal, 11... Terminal, 1
3...Jig, 21...Adhesive.
Claims (1)
れた正特性サーミスタと、 導電性金属板で形成され前記正特性サーミスタ
の前記両主表面に前記電極と導通させた状態で固
定された放熱フインと、 を具備する正特性サーミスタ発熱装置において
、 前記正特性サーミスタが、両主表面に電極の形
成された複数の正特性サーミスタチツプを平面的
に配列してなるとともに、一部の前記正特性サー
ミスタチツプが前記正特性サーミスタチツプの比
抵抗より５０倍以上の抵抗比を有する耐熱性ダミ
ーチツプで置き換えられてなることを特徴とする
正特性サーミスタ発熱装置。[Claims for Utility Model Registration] A positive temperature coefficient thermistor having electrodes formed on both main surfaces of a positive temperature coefficient ceramic plate, and a positive temperature coefficient thermistor formed of a conductive metal plate and having both main surfaces of the positive temperature coefficient thermistor electrically connected to the electrodes. A positive temperature coefficient thermistor heat generating device comprising: a heat dissipation fin fixed in a fixed state; A positive temperature coefficient thermistor heating device characterized in that some of the positive temperature coefficient thermistor chips are replaced with heat-resistant dummy chips having a resistance ratio of 50 times or more than the specific resistance of the positive temperature coefficient thermistor chips.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7628089U JPH0646075Y2 (en) | 1989-06-30 | 1989-06-30 | PTC thermistor heating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7628089U JPH0646075Y2 (en) | 1989-06-30 | 1989-06-30 | PTC thermistor heating device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0316690U true JPH0316690U (en) | 1991-02-19 |
| JPH0646075Y2 JPH0646075Y2 (en) | 1994-11-24 |
Family
ID=31617603
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7628089U Expired - Lifetime JPH0646075Y2 (en) | 1989-06-30 | 1989-06-30 | PTC thermistor heating device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0646075Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023058263A1 (en) * | 2021-10-08 | 2023-04-13 | 株式会社芝浦電子 | Temperature sensor, and method for manufacturing temperature sensor |
-
1989
- 1989-06-30 JP JP7628089U patent/JPH0646075Y2/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023058263A1 (en) * | 2021-10-08 | 2023-04-13 | 株式会社芝浦電子 | Temperature sensor, and method for manufacturing temperature sensor |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0646075Y2 (en) | 1994-11-24 |
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