JPH06193897A - Sheet-like heating apparatus - Google Patents

Abstract

PURPOSE:To provide a surface heating apparatus having a safety device which is usable for a power supply on either of AC 100 volts and AC single-phase 200 volts. CONSTITUTION:A double tubing heater comprising a plurality of heating elements each provided inside a panel and composed of a safety wire 3a, a thermosensible layer 3b and a heating wire 3c is provided with connection means such that when a voltage as supplied is AC 100 volts, heating wires 3c of any ones of the plurality of heating elements are connected to one another in parallel and when a voltage as supplied is AC single-phase 200 volts, heating wires 3c of any ones of the plurality of heating elements are connected to one another in series. A thermal fuse 1 is provided to be connected to a power circuit in series, and a plurality of heating resistances 2 having the same resistance value are disposed in the vicinity of the thermal fuse 1 to be connected in parallel to safety wires 3a of any ones of the plurality of heating elements when a voltage as supplied is AC 100 volts, and to be connected in series to safety wires 3a of any ones of the plurality of heating elements when a voltage as supplied is AC single-phase 200 volts.

Description

【発明の詳細な説明】Detailed Description of the Invention

【０００１】[0001]

【産業上の利用分野】本発明は可撓性発熱線をパネルや
基布に組み込んだ平面状の電気加熱式面状暖房装置に関
する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a planar electric heating type planar heating apparatus in which a flexible heating wire is incorporated in a panel or a base cloth.

【０００２】[0002]

【従来の技術】従来のこの種の面状暖房装置は、実開平
４−６４００７号に示すような構成が一般的であった。
以下にその構成について図３（Ａ）および図３（Ｂ）を
参照しながら説明する。図に示すように、従来の面状暖
房装置は複数の発熱体１４、１６をパネル１０内部に配
設してなり、供給電圧が交流１００Ｖの場合においては
複数の発熱体１４、１６のうち任意の発熱体１４または
１６が並列に接続され、供給電圧が交流単相２００Ｖの
場合においては複数の発熱体１４、１６が直列に接続さ
れる接続手段１８を備えている。2. Description of the Related Art A conventional planar heating device of this type generally has a structure as shown in Japanese Utility Model Laid-Open No. 4-64007.
The structure will be described below with reference to FIGS. 3A and 3B. As shown in the figure, the conventional planar heating device has a plurality of heating elements 14 and 16 disposed inside the panel 10. When the supply voltage is 100 V AC, the heating elements 14 and 16 can be arbitrarily selected. The heating elements 14 or 16 are connected in parallel, and when the supply voltage is AC single-phase 200V, a plurality of heating elements 14 and 16 are connected in series.

【０００３】上記構成において、安全装置を配設しよう
とすると供給電圧が交流１００Ｖおよび交流単相２００
Ｖの場合に交流１００Ｖ用および交流単相２００Ｖ用の
安全装置の両者が必要であった。In the above structure, when a safety device is arranged, the supply voltage is 100 V AC and 200 AC single phase.
In the case of V, both safety devices for AC 100V and AC single phase 200V were required.

【０００４】[0004]

【発明が解決しようとする課題】近年、交流単相２００
Ｖ電源が一般家庭に普及し、小回路で大規模な暖房装置
ができるとともに、配線による電力ロスの少ない交流単
相２００Ｖ電源対応機器が求められている。他方、一般
的に住宅内の多くの場所に準備されており、すぐに使用
できる交流１００Ｖ電源対応機器も求められているた
め、簡単な操作で交流１００Ｖ電源および交流単相２０
０Ｖ電源の２種類の電源電圧に対応できる安価な機器が
もとめられている。Recently, an AC single phase 200 has been proposed.
There is a demand for an AC single-phase 200V power supply compatible device in which a V power supply has spread to general households, a large-scale heating device can be formed with a small circuit, and power loss due to wiring is small. On the other hand, it is generally prepared in many places in a house, and there is also a demand for ready-to-use AC100V power supply compatible devices.
There is a need for an inexpensive device that can handle two types of 0V power supply voltage.

【０００５】しかし、従来の面状暖房装置では、電源電
圧によって安全装置を変えなければならないので、１０
０Ｖ対応機器と単相２００Ｖ対応機器の２種類の安全装
置を準備していた。すなわち、安全装置が１種類で簡単
に１００Ｖ電源および単相２００Ｖ電源の２種類の電源
電圧に対応することができず高価になっていた。However, in the conventional planar heating device, the safety device must be changed according to the power supply voltage, so that 10
There were two types of safety devices, a 0V compatible device and a single-phase 200V compatible device. That is, one type of safety device cannot easily support two types of power source voltages of 100 V power source and single-phase 200 V power source, which is expensive.

【０００６】本発明は上記課題を解消するもので、安全
線と発熱抵抗および発熱線と電源との接続方法を並列接
続および直列接続に接続するだけで、電源電圧が交流１
００Ｖおよび交流単相２００Ｖのどちらでも使用できる
安全装置を備えた安価な面状暖房装置を提供することを
目的とするものである。The present invention solves the above-mentioned problems, and the power source voltage is AC 1 when the safety wire and the heating resistor and the method of connecting the heating wire and the power source are connected in parallel and in series.
It is an object of the present invention to provide an inexpensive planar heating device equipped with a safety device that can be used with both 00V and AC single-phase 200V.

【０００７】[0007]

【課題を解決するための手段】上記課題を解決するた
め、本発明の面状暖房装置では、複数の発熱体をパネル
内部に配設してなり、発熱体が安全線と感熱層と発熱線
と絶縁層とからなる２重チュービングヒータであり、供
給電圧が交流１００Ｖの場合においては複数の発熱体の
うち任意の発熱体の発熱線が並列に接続され、供給電圧
が交流単相２００Ｖの場合においては複数の発熱体のう
ち任意の発熱体の発熱線が直列に接続される接続手段を
具備する面状暖房装置であって、電源回路に直列に接続
された温度ヒューズと、供給電圧が交流１００Ｖの場合
においては複数の発熱体のうち任意の発熱体の安全線と
発熱抵抗が並列に接続され、供給電圧が交流単相２００
Ｖの場合においては複数の発熱体のうち任意の安全線と
発熱抵抗が直列に接続され、発熱抵抗体は抵抗値の等し
い複数の発熱抵抗を備え、温度ヒューズの近傍に発熱抵
抗を配置した安全装置を設けるようにしたものである。In order to solve the above-mentioned problems, in the planar heating device of the present invention, a plurality of heating elements are arranged inside the panel, and the heating elements are a safety wire, a heat sensitive layer and a heating wire. When the supply voltage is AC 100V, the heating wires of arbitrary heating elements among a plurality of heating elements are connected in parallel, and the supply voltage is AC single-phase 200V. In a planar heating device having a connecting means in which the heating wires of any heating element of a plurality of heating elements are connected in series, wherein the temperature fuse connected in series to the power supply circuit and the supply voltage are AC In the case of 100 V, the safety wire of any heating element of the plurality of heating elements and the heating resistor are connected in parallel, and the supply voltage is AC single phase 200.
In the case of V, an arbitrary safety wire of a plurality of heating elements and a heating resistor are connected in series, the heating resistor has a plurality of heating resistors having the same resistance value, and the heating resistor is arranged near the thermal fuse. A device is provided.

【０００８】[0008]

【作用】上記の構成によれば、複数の発熱体のうち任意
の発熱体の安全線との接続方法を直列および並列に変え
ることにより２本の抵抗値の等しい発熱抵抗の合成抵抗
を変えることができ、２本の発熱抵抗の抵抗値が等しい
ため、２本の発熱抵抗と複数の発熱体のうち任意の発熱
体の安全線とを並列接続したときの合成抵抗値Ｒ _P は、
１本の発熱抵抗の抵抗値をＲ_R とするとＲ_P ＝（１／
２）・Ｒ_R となり、２本の発熱抵抗と複数の発熱体のう
ち任意の発熱体の安全線とを直列接続したときの合成抵
抗値Ｒ_S は、Ｒ_S ＝２・Ｒ_R となる。ところで、２本の
発熱抵抗の発熱量Ｑは、電源電圧をＶ、発熱抵抗の合成
抵抗値をＲとすると、Ｑ＝（Ｖ² ／Ｒ）×０.8６となっ
ており、電源電圧が、交流１００Ｖの時には２本の発熱
抵抗と複数の発熱体のうち任意の発熱体の安全線とを並
列接続し、交流単相２００Ｖの時には２本の発熱抵抗と
複数の発熱体のうち任意の発熱体の安全線とを直列接続
すれば、理論式が Ｑ＝１００² ×０.8６／０.5・Ｒ_R ＝２００² ×０.8６
／２・Ｒ_R で示されるように２本の発熱抵抗の発熱量Ｑは等しくな
る。発熱抵抗の近傍に設置し電源回路に直列に接続され
た温度ヒューズを交流１００Ｖおよび交流単相２００Ｖ
のどちらでも溶断でき、すべて同一の部品を使用した安
全装置を備えているため、面状暖房装置を安価に提供す
ることとなる。According to the above construction, any of a plurality of heating elements can be used.
Change the connection method of the heating element of the heating element to the series and parallel
By doing so, the combined resistance of the two heating resistors with the same resistance value
Can be changed, and the resistance values of the two heating resistors are equal
Therefore, two heat generating resistors and any heat generation of a plurality of heat generating elements
Combined resistance value R when the safety wire of the body is connected in parallel _PIs
The resistance value of one heating resistor is R_RThen R_P= (1 /
2) ・ R_RAnd two heating resistors and multiple heating elements
When the safety wire of any heating element is connected in series,
Resistance value R_SIs R_S= 2 · R_RBecomes By the way, two
The heat generation amount Q of the heat generation resistor is the power supply voltage V
If the resistance value is R, Q = (V² / R) x 0.86
And when the power supply voltage is 100 V AC, two heat generations
Align the resistance and the safety wire of any heating element among the multiple heating elements.
When connected in a row and AC single-phase 200V, with two heating resistors
Series connection with the safety wire of any heating element among multiple heating elements
Then, the theoretical formula is Q = 100² × 0.86 / 0.5 ・ R_R= 200² × 0.86
/ 2 · R_R As shown in, the heating value Q of the two heating resistors is
It Installed near the heating resistor and connected in series with the power supply circuit
100V AC and 200V AC single phase
Can be fused by either of the
Since it is equipped with all the devices, it is possible to provide a planar heating device at low cost.
The Rukoto.

【０００９】[0009]

【実施例】以下に本発明の面状暖房装置の一実施例につ
いて図面を参照しながら説明する。図１（Ａ）および図
１（Ｂ）に本実施例の面暖房装置の構成を、図２に２重
チュービングヒータの構成を示す。図に示すように、電
源に直列に温度ヒューズ１が接続されており、電源電圧
が交流１００Ｖの場合には、図１（Ａ）に示すように２
本の発熱抵抗２と複数の２重チュービングヒータ３のう
ち任意の２重チュービングヒータ３の安全線３ａ、およ
び電源と複数の２重チュービングヒータ３のうち任意の
２重チュービングヒータ３の発熱線３ｃとが並列接続さ
れている。交流単相２００Ｖ電源のときには図１（Ｂ）
に示すように２本の発熱抵抗２と複数の２重チュービン
グヒータ３のうち任意の２重チュービングヒータ３の安
全線３ａ、および電源と複数の２重チュービングヒータ
３のうち任意の２重チュービングヒータ３の発熱線３ｃ
とを直列接続しており、発熱抵抗２に電流が流れないよ
うにダイオード４が電源に並列接続されている。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the planar heating device of the present invention will be described below with reference to the drawings. 1A and 1B show the structure of the surface heating device of this embodiment, and FIG. 2 shows the structure of the double tubing heater. As shown in the figure, when the temperature fuse 1 is connected in series to the power supply and the power supply voltage is 100 V AC, as shown in FIG.
The heat generating resistance 2 of the book and the safety wire 3a of the arbitrary double tubing heater 3 among the plurality of double tubing heaters 3 and the heat generating wire 3c of the arbitrary double tubing heater 3 of the power supply and the plurality of double tubing heaters 3 And are connected in parallel. Figure 1 (B) when using a 200V AC single-phase power supply
As shown in FIG. 2, two heating resistors 2 and a safety wire 3a of an arbitrary double tubing heater 3 among the plurality of double tubing heaters 3 and an arbitrary double tubing heater among a power source and the plurality of double tubing heaters 3 are provided. 3 heating line 3c
Are connected in series, and the diode 4 is connected in parallel to the power supply so that the current does not flow in the heating resistor 2.

【００１０】図２に本実施例の２重チュービングヒータ
３の構成を示す。図に示すように、安全線３ａの周囲に
感熱層３ｂがチュービング被覆されており、感熱層３ｂ
の周囲に発熱線３ｃが巻回され、安全線３ａと発熱線３
ｂは感熱層３ｃで絶縁されており、発熱線３ｃの周囲に
は絶縁層３ｄがチュービング被覆されている。FIG. 2 shows the structure of the double tubing heater 3 of this embodiment. As shown in the figure, the heat sensitive layer 3b is covered with a tubing around the safety wire 3a.
A heating wire 3c is wound around the safety wire 3a and the heating wire 3
b is insulated by a heat sensitive layer 3c, and an insulating layer 3d is tubing-coated around the heating wire 3c.

【００１１】なお、発熱抵抗２は温度ヒューズ１の近傍
に配置されており、２重チュービングヒータ３は、２重
チュービングヒータ３が異常温度上昇した場合には、任
意の温度で感熱層３ｂが溶断し、安全線３ａと発熱線３
ｃが接触するようになっている。すなわち、安全線３ａ
と発熱線３ｃが接触するため、発熱抵抗２に電流が流
れ、発熱抵抗２が発熱することにより、近傍に配設され
た温度ヒューズ１を溶断し、安全を確保するように構成
されている。The heating resistor 2 is arranged near the thermal fuse 1, and the double tubing heater 3 melts the heat sensitive layer 3b at an arbitrary temperature when the double tubing heater 3 has an abnormal temperature rise. The safety wire 3a and the heating wire 3
c is in contact. That is, the safety line 3a
Since the heating wire 3c contacts with the heating wire 3, a current flows through the heating resistance 2 and the heating resistance 2 generates heat, so that the thermal fuse 1 disposed in the vicinity is melted and the safety is ensured.

【００１２】上記の構成により、複数の２重チュービン
グヒータ３のうち任意の２重チュービングヒータ３の安
全線３ａとの接続方法を直列および並列に変えることに
より、２本の抵抗値の等しい発熱抵抗２の合流抵抗を変
えることができる。２本の発熱抵抗２の抵抗値は等しい
ため、２本の発熱抵抗２と複数の２重チュービングヒー
タ３のうち任意の２重チュービングヒータ３の安全線３
ａとを並列接続したときの合成抵抗値Ｒ_P は、１本の発
熱抵抗の抵抗値をＲ_R とするとＲ_P ＝（１／２）・Ｒ_R
となり、２本の発熱抵抗２と複数の２重チュービングヒ
ータ３のうち任意の２重チュービングヒータ３の安全線
３ａとを直列接続したときの合成抵抗値Ｒ_S は、Ｒ_S ＝
２・Ｒ_R となる。ところで、２本の発熱抵抗２の発熱量
Ｑは、電源電圧をＶ、前記発熱抵抗２の合成抵抗値をＲ
とすると、Ｑ＝（Ｖ² ／Ｒ）×０.8６となる。電源電圧
が、交流１００Ｖの時には２本の発熱抵抗２と複数の２
重チュービングヒータ３のうち任意の２重チュービング
ヒータ３の安全線３ａとが並列接続される。交流単相２
００Ｖ電源の時には２本の発熱抵抗２と複数の２重チュ
ービングヒータ３のうち任意の２重チュービングヒータ
３の安全線３ａとが直列接続される。この構成によれ
ば、 Ｑ＝１００² ×０.8６／０.5・Ｒ_R ＝２００² ×０.8６
／２・Ｒ_R で示されるように２本の発熱抵抗２の発熱量Ｑは等しく
なり、発熱抵抗２の近傍に設置し電源回路に直列に接続
された温度ヒューズ１は交流１００Ｖおよび交流単相２
００Ｖのどちらの電源を用いたときでも溶断できる。ま
た、すべて同一の部品を使用した安全装置を備えている
ため、電源電圧が交流１００Ｖおよび交流単相２００Ｖ
のどちらでも使用できる安全装置を備えた面状暖房装置
を安価に提供することができる。With the above configuration, by changing the connection method of the arbitrary double tubing heater 3 of the plurality of double tubing heaters 3 with the safety wire 3a to serial or parallel, the two heating resistors having the same resistance value are formed. The merging resistance of 2 can be changed. Since the two heating resistors 2 have the same resistance value, the safety wire 3 of the two heating resistors 2 and an arbitrary double tubing heater 3 among the plurality of double tubing heaters 3 are provided.
the combined resistance value R _P when connected in parallel and a, and the resistance value of one heating resistor and _{R R R P = (1/2)} · R R
Therefore, the combined resistance value R _S when two heating resistors 2 and the safety wire 3a of an arbitrary double tubing heater 3 among the plurality of double tubing heaters 3 are connected in series is R _S =
2 · R _R By the way, the heat generation amount Q of the two heating resistors 2 is the power supply voltage V, and the combined resistance value of the heating resistors 2 is R.
Then, Q = (V ² /R)×0.86. When the power supply voltage is AC 100V, two heating resistors 2 and a plurality of 2
A safety wire 3a of an arbitrary double tubing heater 3 of the heavy tubing heater 3 is connected in parallel. AC single phase 2
When the power source is 00V, two heating resistors 2 and a safety wire 3a of an arbitrary double tubing heater 3 among a plurality of double tubing heaters 3 are connected in series. According to this structure, Q = 100 ² × 0.86 / 0.5 · R _R = 200 ² × 0.86
The heat generation amount Q of the two heat generating resistors 2 becomes equal as shown by / 2 · R _R , and the temperature fuse 1 installed near the heat generating resistors 2 and connected in series to the power supply circuit is AC 100V and AC single phase. Two
It can be fused by using either of the power sources of 00V. In addition, the power supply voltage is 100V AC and 200V AC single-phase 200V because it is equipped with a safety device that uses the same parts.
It is possible to inexpensively provide a planar heating device equipped with a safety device that can be used in any of the above.

【００１３】このように本実施例の面状暖房装置によれ
ば、安全線３ａと発熱抵抗２および電源と発熱体３ｃと
の接続方法を並列接続あるいは直列接続に接続を変更す
るだけで、電源電圧が交流１００Ｖおよび交流単相２０
０Ｖのどちらでも使用できる安全装置を備えた面状暖房
装置を安価に提供することができるものである。As described above, according to the planar heating device of the present embodiment, the power source is simply changed by connecting the safety wire 3a and the heating resistor 2 and the power source and the heating element 3c in parallel or in series. Voltage is AC 100V and AC single phase 20
It is possible to inexpensively provide a planar heating device having a safety device that can be used at either 0V.

【００１４】[0014]

【発明の効果】以上の実施例の説明から明らかなように
本発明の面状暖房装置によれば、安全線と発熱抵抗およ
び発熱線と電源との接続方法を並列接続あるいは直列接
続に接続替えするだけで、電源電圧が交流１００Ｖある
いは交流単相２００Ｖのどちらでも使用できる安全装置
を備えた面状暖房装置を安価に提供することができる。As is apparent from the above description of the embodiments, according to the planar heating device of the present invention, the connection method of the safety wire and the heating resistor and the connection of the heating wire and the power source is changed to parallel connection or series connection. Only by doing so, it is possible to inexpensively provide a planar heating device equipped with a safety device that can be used with a power supply voltage of 100 V AC or 200 V AC single phase.

【図面の簡単な説明】[Brief description of drawings]

【図１】（Ａ）は本発明の一実施例の面状暖房装置の直
列接続時の回路図 （Ｂ）は同並列接続時の回路図FIG. 1A is a circuit diagram of a planar heating apparatus according to an embodiment of the present invention when connected in series, and FIG. 1B is a circuit diagram when connected in parallel.

【図２】同２重チュービングヒータの構成を示す一部切
欠側面図FIG. 2 is a partially cutaway side view showing the structure of the double tubing heater.

【図３】（Ａ）は従来の面状暖房装置の直列接続時の回
路図 （Ｂ）は同直列接続時の回路図FIG. 3 (A) is a circuit diagram of a conventional planar heating device when connected in series. (B) is a circuit diagram of the same when connected in series.

【符号の説明】[Explanation of symbols]

１ 温度ヒューズ ２ 発熱抵抗 ３ ２重チュービングヒータ ３ａ 安全線 ３ｂ 感熱層 ３ｃ 発熱線 ４ ダイオード 1 Thermal fuse 2 Heating resistance 3 Double tubing heater 3a Safety wire 3b Heat sensitive layer 3c Heating wire 4 Diode

Claims (1)

【特許請求の範囲】[Claims] 【請求項１】複数の発熱体をパネル内部に配設し、前記
発熱体が安全線と感熱層と発熱線と絶縁層とからなる２
重チュービングヒータであり、供給電圧が交流１００Ｖ
の場合においては複数の前記発熱体のうち任意の発熱体
の発熱線が並列に接続され、供給電圧が交流単相２００
Ｖの場合においては複数の前記発熱体のうち任意の発熱
体の発熱線が直列に接続される接続手段を備え、電源回
路に直列に接続された温度ヒューズと、供給電圧が交流
１００Ｖの場合において複数の前記発熱体のうち任意の
発熱体の安全線と発熱抵抗が並列に接続され、供給電圧
が交流単相２００Ｖの場合においては複数の前記発熱体
のうち任意の安全線と発熱抵抗が直列に接続され、前記
発熱抵抗体は抵抗値の等しい複数の発熱抵抗を備え、前
記温度ヒューズの近傍に前記発熱抵抗を配置した安全装
置を備えてなる面状暖房装置。1. A plurality of heating elements are arranged inside a panel, and the heating elements are composed of a safety wire, a heat sensitive layer, a heating wire and an insulating layer.
It is a heavy tubing heater and the supply voltage is AC 100V.
In this case, the heating wires of any heating element among the plurality of heating elements are connected in parallel, and the supply voltage is AC single phase 200.
In the case of V, a connecting means for connecting the heating wires of arbitrary heating elements among the plurality of heating elements in series is provided, and in the case where the temperature fuse is connected in series to the power supply circuit and the supply voltage is AC 100V. A safety wire and a heating resistor of an arbitrary heating element of the plurality of heating elements are connected in parallel, and when the supply voltage is AC single-phase 200 V, an arbitrary safety wire of the plurality of heating elements and a heating resistor are connected in series. The planar heating device, wherein the heating resistor includes a plurality of heating resistors having the same resistance value, and a safety device having the heating resistors arranged in the vicinity of the thermal fuse.