JPS6310538B2 - - Google Patents

Info

Publication number
JPS6310538B2
JPS6310538B2 JP10434484A JP10434484A JPS6310538B2 JP S6310538 B2 JPS6310538 B2 JP S6310538B2 JP 10434484 A JP10434484 A JP 10434484A JP 10434484 A JP10434484 A JP 10434484A JP S6310538 B2 JPS6310538 B2 JP S6310538B2
Authority
JP
Japan
Prior art keywords
temperature detection
electrode
heat
detection resistor
heater electrode
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.)
Expired
Application number
JP10434484A
Other languages
Japanese (ja)
Other versions
JPS60246585A (en
Inventor
Masayuki Naruo
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Electric Works Co Ltd
Original Assignee
Matsushita Electric Works Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Matsushita Electric Works Ltd filed Critical Matsushita Electric Works Ltd
Priority to JP10434484A priority Critical patent/JPS60246585A/en
Publication of JPS60246585A publication Critical patent/JPS60246585A/en
Publication of JPS6310538B2 publication Critical patent/JPS6310538B2/ja
Granted legal-status Critical Current

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  • Surface Heating Bodies (AREA)

Description

【発明の詳細な説明】 (技術分野) 本発明は電気カーペツトに関する。[Detailed description of the invention] (Technical field) The present invention relates to electric carpets.

(背景技術) 従来、電気カーペツトに用いられる面状発熱体
A′としては、例えば第3図に示す如くナイロン
等からなる有機半導体1の表面にヒータ電極2お
よび感熱電極3を金属箔のパターンにより形成
し、裏面の反射電極4を介したヒータ電極2と感
熱電極3との間のインピーダンスが温度により変
化するのを検出して温度制御を行うようにしたも
のが用いられている。
(Background technology) Planar heating elements conventionally used in electric carpets
As shown in FIG. 3, for example, a heater electrode 2 and a heat-sensitive electrode 3 are formed on the surface of an organic semiconductor 1 made of nylon or the like using a metal foil pattern, and the heater electrode 2 and the heat-sensitive electrode 3 are connected to each other via a reflective electrode 4 on the back surface. What is used is one in which temperature control is performed by detecting changes in impedance between the thermosensitive electrode 3 and the temperature.

この種の面状発熱体A′においては、第4図に
示すようにヒータ電極2の一端と感熱電極3の一
端との間に市販の抵抗部品としての温度検出抵抗
Ra′を接続し、ヒータ電極2と感熱電極3との間
のインピーダンスに応じてヒータ電極2より流入
する電流を、この抵抗Ra′にて温度検出電圧Vaと
して検出するものである。ここで、有機半導体1
のインピーダンス−温度特性は第5図に示すよう
に負特性であるため、温度検出電圧−温度特性は
第6図に示すように正特性となる。
In this type of planar heating element A', as shown in FIG.
Ra' is connected, and the current flowing from the heater electrode 2 according to the impedance between the heater electrode 2 and the heat-sensitive electrode 3 is detected as a temperature detection voltage Va by this resistor Ra'. Here, organic semiconductor 1
Since the impedance-temperature characteristic of is a negative characteristic as shown in FIG. 5, the temperature detection voltage-temperature characteristic is a positive characteristic as shown in FIG.

ところで、安全上の観点から、面状発熱体
A′の温度を検出するにはその全面にわたつて有
機半導体1が存在している必要があり、このため
にヒータ電極2と感熱電極3との間のインピーダ
ンスは比較的小さいものとなる。
By the way, from a safety point of view, the sheet heating element
In order to detect the temperature of A', it is necessary that the organic semiconductor 1 exists over the entire surface thereof, and therefore the impedance between the heater electrode 2 and the heat-sensitive electrode 3 is relatively small.

従つて、面状発熱体A′の温度上昇と共にヒー
タ電極2から流入する電流が増大し、温度検出抵
抗Ra′で消費される電力量もこれにつれて増加し
て局部的に異常発熱が生じる問題がある。特に、
温度検出抵抗Ra′として市販の抵抗部品を用いる
と放熱効率が悪く、温度制御回路等に熱的な悪影
響を与えてこれらの機能を害したり、安全性を損
ねるという欠点があつた。
Therefore, as the temperature of the planar heating element A' rises, the current flowing from the heater electrode 2 increases, and the amount of power consumed by the temperature detection resistor Ra' increases accordingly, causing a problem of local abnormal heat generation. be. especially,
When a commercially available resistor component is used as the temperature detection resistor Ra', the heat dissipation efficiency is poor, and the disadvantage is that it has an adverse thermal effect on the temperature control circuit and the like, impairing their functions and impairing safety.

(発明の目的) 本発明は上記の点に鑑み提案されたもので、そ
の目的とするところは、温度検出抵抗体を帯状に
形成し、この温度検出抵抗体を電気カーペツト内
でその端辺に沿わせて配設することにより、放熱
面積を広くとり放熱効果を高めて異常発熱等を防
止するようにした電気カーペツトを提供すること
にある。
(Object of the Invention) The present invention has been proposed in view of the above points, and its object is to form a temperature detection resistor in a band shape, and to attach the temperature detection resistor to the edge thereof within an electric carpet. It is an object of the present invention to provide an electric carpet that is arranged side by side to widen the heat dissipation area, enhance the heat dissipation effect, and prevent abnormal heat generation.

(発明の開示) 以下、図に沿つて本発明を説明する。(Disclosure of invention) The present invention will be explained below with reference to the drawings.

第1図は本発明の一実施例を示すもので、図に
おいて、Aは面状発熱体であり、ナイロン等から
なる有機半導体1は従来と同様に負のインピーダ
ンス−温度特性を有している。この有機半導体1
の表面ほぼ全域には銅などの金属箔のエツチング
によりヒータ電極2と感熱電極3とが互いに並設
されている。なお、有機半導体1の裏面には反射
電極が設けられているが、便宜上、図示を省略す
る。
FIG. 1 shows an embodiment of the present invention. In the figure, A is a planar heating element, and an organic semiconductor 1 made of nylon or the like has negative impedance-temperature characteristics as in the conventional case. . This organic semiconductor 1
A heater electrode 2 and a heat-sensitive electrode 3 are arranged in parallel with each other on almost the entire surface of the electrode by etching a metal foil such as copper. Note that although a reflective electrode is provided on the back surface of the organic semiconductor 1, illustration thereof is omitted for convenience.

そして、かかる面状発熱体Aはその表裏をカー
ペツト地5によつて覆われ、かつカーペツト地5
の隅部に設けられた温度制御部6内にヒータ電極
2と感熱電極3の端部が引き込まれて所定の配線
がなされている。
The planar heating element A is covered with a carpet fabric 5 on its front and back sides, and is covered with a carpet fabric 5.
The ends of the heater electrode 2 and the heat-sensitive electrode 3 are drawn into a temperature control section 6 provided at a corner of the heater electrode 3, and predetermined wiring is made.

更に、カーペツト地5の端辺近傍には、面状発
熱体Aの一辺に沿うように帯状の温度検出抵抗体
Raが配設されている。この温度検出抵抗体Raは
抵抗素子を主たる構成要素とし、その全体をテー
プ状またはチユーブ状に形成して放熱面積を広く
したもので、その厚さが電気カーペツト全体の厚
さよりも十分に薄くなるように形成されている。
また、この温度検出抵抗体Raの両端部は温度制
御部6内に引き込まれ、電源に接続されたヒータ
電極2の一端と感熱電極3の一端との間に接続さ
れるものである。
Further, near the edge of the carpet 5, a strip-shaped temperature detection resistor is placed along one side of the planar heating element A.
Ra is installed. This temperature detection resistor Ra has a resistance element as its main component, and is formed entirely into a tape or tube shape to increase the heat dissipation area, and its thickness is sufficiently thinner than the entire thickness of the electric carpet. It is formed like this.
Further, both ends of the temperature detection resistor Ra are drawn into the temperature control section 6 and connected between one end of the heater electrode 2 connected to a power source and one end of the heat sensitive electrode 3.

第2図は、温度検出用回路の回路図であり、温
度制御部6は温度検出電圧Vaを比較器にて基準
電圧と比較し、その出力信号に応じてリレー等を
駆動することによりスイツチを開閉し、ヒータ電
極2への通電を制御するべく動作する。
FIG. 2 is a circuit diagram of a temperature detection circuit. The temperature control section 6 compares the temperature detection voltage Va with a reference voltage using a comparator, and operates a switch by driving a relay or the like according to the output signal. It opens and closes and operates to control energization to the heater electrode 2.

(発明の効果) 以上のように本発明によれば、有機半導体の表
面にヒータ電極および感熱電極が形成され、温度
変化に伴うヒータ電極および感熱電極間の前記有
機半導体のインピーダンス変化を、前記各電極の
相互間に接続された温度検出抵抗により検出して
前記ヒータ電極への通電を制御可能な面状発熱体
を備えた電気カーペツトにおいて、前記温度検出
抵抗を帯状に形成してなる温度検出抵抗体をカー
ペツト地の端部近傍に内蔵したから、電気カーペ
ツトの端辺に沿つた温度検出抵抗体の平面的かつ
広範囲にわたる放熱が可能となり、局部の異常過
熱を防止して温度制御回路等の正常な動作を保証
し、安全な電気カーペツトが得られる等の効果を
有する。
(Effects of the Invention) As described above, according to the present invention, a heater electrode and a heat-sensitive electrode are formed on the surface of an organic semiconductor, and changes in the impedance of the organic semiconductor between the heater electrode and the heat-sensitive electrode due to temperature changes are In an electric carpet equipped with a planar heating element that can be detected by a temperature detection resistor connected between electrodes and can control energization to the heater electrode, the temperature detection resistor is formed in a band shape. Since the body is built in near the edge of the carpet, it is possible to dissipate heat from the temperature detection resistor along the edge of the electric carpet over a flat and wide area, preventing localized abnormal overheating and maintaining normal temperature control circuits, etc. This has the effect of ensuring proper operation and providing a safe electric carpet.

【図面の簡単な説明】[Brief explanation of the drawing]

第1図は本発明の一実施例を示す要部平面図、
第2図は温度検出用回路の構成図、第3図は従来
の面状発熱体を示すもので同図イは部分断面図、
同図ロは一部省略平面図、第4図は従来例の温度
検出用回路の構成図、第5図および第6図はそれ
ぞれ特性図である。 1……有機半導体、2……ヒータ電極、3……
感熱電極、5……カーペツト地、6……温度制御
部、Ra……温度検出抵抗体、A……面状発熱体。
FIG. 1 is a plan view of essential parts showing an embodiment of the present invention;
Figure 2 is a configuration diagram of a temperature detection circuit, Figure 3 shows a conventional sheet heating element, and Figure A is a partial cross-sectional view.
FIG. 4 is a block diagram of a conventional temperature detection circuit, and FIGS. 5 and 6 are characteristic diagrams. 1... Organic semiconductor, 2... Heater electrode, 3...
Heat-sensitive electrode, 5... Carpet ground, 6... Temperature control section, Ra... Temperature detection resistor, A... Planar heating element.

Claims (1)

【特許請求の範囲】[Claims] 1 有機半導体の表面にヒータ電極および感熱電
極が形成され、温度変化に伴うヒータ電極および
感熱電極間の前記有機半導体のインピーダンス変
化を、前記各電極の相互間に接続された温度検出
抵抗により検出して前記ヒータ電極への通電を制
御可能な面状発熱体を備えた電気カーペツトにお
いて、前記温度検出抵抗を帯状に形成してなる温
度検出抵抗体をカーペツト地の端部近傍に内蔵し
たことを特徴とする電気カーペツト。
1 A heater electrode and a heat-sensitive electrode are formed on the surface of an organic semiconductor, and a change in impedance of the organic semiconductor between the heater electrode and the heat-sensitive electrode due to temperature change is detected by a temperature detection resistor connected between each of the electrodes. The electric carpet is equipped with a planar heating element that can control energization to the heater electrode, characterized in that a temperature detection resistor formed by forming the temperature detection resistor in a band shape is built in near an end of the carpet material. Electric carpet.
JP10434484A 1984-05-22 1984-05-22 Electric carpet Granted JPS60246585A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10434484A JPS60246585A (en) 1984-05-22 1984-05-22 Electric carpet

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10434484A JPS60246585A (en) 1984-05-22 1984-05-22 Electric carpet

Publications (2)

Publication Number Publication Date
JPS60246585A JPS60246585A (en) 1985-12-06
JPS6310538B2 true JPS6310538B2 (en) 1988-03-08

Family

ID=14378283

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10434484A Granted JPS60246585A (en) 1984-05-22 1984-05-22 Electric carpet

Country Status (1)

Country Link
JP (1) JPS60246585A (en)

Also Published As

Publication number Publication date
JPS60246585A (en) 1985-12-06

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