JPS642386U

JPS642386U -

Info

Publication number: JPS642386U
Application number: JP9775787U
Authority: JP
Priority date: 1987-06-24
Filing date: 1987-06-24
Publication date: 1989-01-09

Description

[Brief explanation of the drawing]

第１図は本考案の第１実施例によるつい立て形
ヒータ用転倒防止具の全体斜視図、第２図は前記
転倒防止具の側面図、第３図は前記転倒防止具に
つい立て形ヒータが嵌挿された場合を示す状態図
、第４図は前記転倒防止具が装備された状態での
コの字形のつい立て形ヒータの全体斜視図、第５
図は前記転倒防止具が装備された状態での一パネ
ルつい立て形ヒータの全体斜視図、第６図は前記
転倒防止具が装備された状態での数段折り曲げ構
造をなすつい立て形ヒータの全体斜視図、第７図
は本考案の第２の実施例によるつい立て形ヒータ
用転倒防止具の側面図、第８図は本考案の第３の
実施例によるつい立て形転倒防止具を装備したつ
い立て形ヒータの全体斜視図、第９図は本考案の
第４の実施例によるつい立て形ヒータ用転倒検知
装置が機能すると作動する温度制御回路の回路図
、第１０図は前記温度制御回路を実装した配線板
に取り付けられたつい立て形ヒータ用転倒検知装
置の平面図、第１１図は同上装置の側面図、第１
２図はつい立て形ヒータが転倒した際の同上装置
の側面図、第１３図は従来におけるつい立て形ヒ
ータの斜視図である。１１，１１ａ……つい立て形ヒータ用転倒防止
具、１２……底板（基台）、１３……第１の挾持
板（第一の固定部材）、１４……第２の挾持板（
第二の固定部材）、１５……補強板、１６……空
間、１７……幅狭部、１８……突起、１９ａ，１
９ｂ，１９ｃ，１９ｄ……つい立て形ヒータ、２
０，２１……つい立て形ヒータの側面、４１……
温度制御回路、４２……電源回路、４３……温度
設定回路、４４……温度検出回路、４５……温度
比較回路、４６……スイツチング素子駆動回路、
４７……センサ断線検出回路、４８……転倒検出
回路、４９……ゼロクロス回路、５０……光遮断
具、６１……転倒検知装置、６２……光素子、６
３……光素子のスリツト、６４……配線板、６５
……軸、ＰＨ……温度センサ、ＰＤ……ホトダイ
オード、ＰＴｒ……ホトトランジスタ、Ｈ……ヒ
ータ、ＴＲＩＡＣ……スイツチング素子。 FIG. 1 is an overall perspective view of an overturn prevention device for a vertical heater according to a first embodiment of the present invention, FIG. 2 is a side view of the overturn prevention device, and FIG. FIG. 4 is an overall perspective view of the U-shaped vertical heater with the fall prevention device installed; FIG.
The figure is an overall perspective view of the one-panel vertical heater with the tipping prevention device installed, and FIG. An overall perspective view, FIG. 7 is a side view of a fall prevention device for a vertical heater according to a second embodiment of the present invention, and FIG. 8 is a side view of a vertical fall prevention device according to a third embodiment of the present invention. FIG. 9 is a circuit diagram of a temperature control circuit that operates when the fall detection device for a vertical heater according to a fourth embodiment of the present invention functions, and FIG. 10 is a perspective view of the vertical heater. 11 is a plan view of a fall detection device for a stand-up type heater attached to a wiring board on which a circuit is mounted; FIG. 11 is a side view of the same device;
FIG. 2 is a side view of the above device when the upright type heater has fallen over, and FIG. 13 is a perspective view of the conventional upright type heater. 11, 11a... Fall prevention device for vertical heater, 12... Bottom plate (base), 13... First clamping plate (first fixing member), 14... Second clamping plate (
second fixing member), 15... Reinforcement plate, 16... Space, 17... Narrow part, 18... Protrusion, 19a, 1
9b, 19c, 19d... Stand-up type heater, 2
0, 21...Side surface of the vertical heater, 41...
Temperature control circuit, 42...Power supply circuit, 43...Temperature setting circuit, 44...Temperature detection circuit, 45...Temperature comparison circuit, 46...Switching element drive circuit,
47...Sensor disconnection detection circuit, 48...Fall detection circuit, 49...Zero cross circuit, 50...Light interrupter, 61...Fall detection device, 62...Optical element, 6
3... Optical element slit, 64... Wiring board, 65
...Axis, PH...Temperature sensor, PD...Photodiode, PTr...Phototransistor, H...Heater, TRIAC...Switching element.

Claims

[Scope of utility model registration request]

A fall prevention device for a vertical heater that is installed on the heater in order to prevent the vertical heater from falling over includes a base that supports the bottom of the vertical heater in an upright state, and a base that supports the bottom of the vertical heater in an upright state; A first fixing member erected, and a second fixing member erected on the base to face the first fixing member and form a narrow portion in a part of the space. A fall prevention device for a vertical heater.