JPH0232114U - - Google Patents
Info
- Publication number
- JPH0232114U JPH0232114U JP10661388U JP10661388U JPH0232114U JP H0232114 U JPH0232114 U JP H0232114U JP 10661388 U JP10661388 U JP 10661388U JP 10661388 U JP10661388 U JP 10661388U JP H0232114 U JPH0232114 U JP H0232114U
- Authority
- JP
- Japan
- Prior art keywords
- temperature
- circuit
- voltage
- temperature setting
- short
- 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
- 238000001514 detection method Methods 0.000 claims description 8
- 238000010438 heat treatment Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 5
Description
第１図乃至第５図は本考案に係わる電気カーペ
ツトの一実施例を説明するための図であつて、第
１図は全体構成図、第２図は特徴部分を抽出した
構成図、第３図乃至第５図は作用を説明するため
の図、第６図及び第７図は従来技術を説明するた
めの図である。
３０……制御用電源回路、３１……カーペツト
本体、３２，３３……ヒータ、３４……温度セン
サ、３７，３８……短絡検知線、３９……温度設
定回路、４０……電源非同期回路、４１……温度
信号比較回路、４２……温度信号検出回路、ＴＦ
……温度ヒユーズ、Ｒ３……傍熱抵抗、Ｒ２１〜
Ｒ２７……分圧抵抗、ＶＲ……可変抵抗、ＴＨ１
……温度サーミスタ、Ｑ４……ＰＮＰ型トランジ
スタ、Ｑ５，Ｑ６，Ｑ１１……ＮＰＮ型トランジ
スタ、Ｒ４８，Ｒ５０，Ｒ５３，Ｒ５４……分圧
抵抗、Ｄ１９，Ｄ２０……ダイオード。
1 to 5 are diagrams for explaining one embodiment of the electric carpet according to the present invention, in which FIG. 1 is an overall configuration diagram, FIG. 2 is a configuration diagram extracting characteristic parts, and FIG. 5 to 5 are diagrams for explaining the operation, and FIGS. 6 and 7 are diagrams for explaining the prior art. 30... Control power supply circuit, 31... Carpet main body, 32, 33... Heater, 34... Temperature sensor, 37, 38... Short circuit detection line, 39... Temperature setting circuit, 40... Power supply asynchronous circuit, 41...Temperature signal comparison circuit, 42...Temperature signal detection circuit, TF
...Temperature fuse, R3...Indirect heat resistance, R21~
R27...Voltage dividing resistor, VR...Variable resistor, TH1
... Temperature thermistor, Q4 ... PNP type transistor, Q5, Q6, Q11 ... NPN type transistor, R48, R50, R53, R54 ... Voltage dividing resistor, D19, D20 ... Diode.
Claims (1)
ーズを介して接続されこの温度ヒユーズと熱結合
された傍熱抵抗と、カーペツト本体に配置され前
記交流電源に対して接続されたヒータと、このヒ
ータに対して感温層を介して巻回され前記傍熱抵
抗を通して前記交流電源と通電される短絡検知線
と、前記傍熱抵抗を介して前記交流電源と接続さ
れ前記カーペツト本体の表面温度に対する温度設
定電圧を作成する温度設定回路と、前記短絡検知
線に接続されこの短絡検知線の短絡断線時の電圧
変化を前記温度設定回路に伝えてこの温度設定回
路で作成される前記温度設定電圧を所定レベルの
短絡断線電圧レベルにして一定出力させる短絡検
知断線検知回路と、前記温度設定回路の温度設定
電圧と前記カーペツト本体に配置された温度セン
サからの温度検出電圧とを比較して前記カーペツ
ト本体の表面温度を前記温度設定電圧に対応する
温度にする如く前記ヒータに接続されたリレーを
オン・オフ制御する温度信号比較回路とを備えた
ことを特徴とする電気カーペツト。 an indirect heating resistor connected to the AC power source via a temperature fuse for preventing excessive temperature rise and thermally coupled to the temperature fuse; a heater disposed on the carpet body and connected to the AC power source; a short-circuit detection wire that is wound through a temperature-sensitive layer and energized to the AC power source through the indirect heating resistor; a temperature setting circuit that creates a set voltage, and a temperature setting circuit that is connected to the short circuit detection line and transmits a voltage change when the short circuit detection line is shorted and disconnected to the temperature setting circuit to predetermine the temperature setting voltage that is created by the temperature setting circuit. A short-circuit detection disconnection detection circuit outputs a constant short-circuit disconnection voltage level, and compares the temperature setting voltage of the temperature setting circuit with the temperature detection voltage from the temperature sensor disposed in the carpet body, An electric carpet comprising: a temperature signal comparison circuit that controls on/off a relay connected to the heater so as to bring the surface temperature to a temperature corresponding to the temperature setting voltage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988106613U JPH0751617Y2 (en) | 1988-08-12 | 1988-08-12 | Electric carpet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988106613U JPH0751617Y2 (en) | 1988-08-12 | 1988-08-12 | Electric carpet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0232114U true JPH0232114U (en) | 1990-02-28 |
| JPH0751617Y2 JPH0751617Y2 (en) | 1995-11-22 |
Family
ID=31340283
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988106613U Expired - Lifetime JPH0751617Y2 (en) | 1988-08-12 | 1988-08-12 | Electric carpet |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0751617Y2 (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59231618A (en) * | 1983-06-15 | 1984-12-26 | Matsushita Electric Ind Co Ltd | Temperature controller |
| JPS6025016U (en) * | 1983-07-27 | 1985-02-20 | 松下電器産業株式会社 | temperature control device |
| JPS6237712A (en) * | 1985-08-12 | 1987-02-18 | Matsushita Electric Ind Co Ltd | Temperature controller |
-
1988
- 1988-08-12 JP JP1988106613U patent/JPH0751617Y2/en not_active Expired - Lifetime
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59231618A (en) * | 1983-06-15 | 1984-12-26 | Matsushita Electric Ind Co Ltd | Temperature controller |
| JPS6025016U (en) * | 1983-07-27 | 1985-02-20 | 松下電器産業株式会社 | temperature control device |
| JPS6237712A (en) * | 1985-08-12 | 1987-02-18 | Matsushita Electric Ind Co Ltd | Temperature controller |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0751617Y2 (en) | 1995-11-22 |
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