JPH0439886A - Heating body having positive resistance temperature characteristic - Google Patents
Heating body having positive resistance temperature characteristicInfo
- Publication number
- JPH0439886A JPH0439886A JP14830790A JP14830790A JPH0439886A JP H0439886 A JPH0439886 A JP H0439886A JP 14830790 A JP14830790 A JP 14830790A JP 14830790 A JP14830790 A JP 14830790A JP H0439886 A JPH0439886 A JP H0439886A
- Authority
- JP
- Japan
- Prior art keywords
- resistance temperature
- positive resistance
- electrode plate
- temperature coefficient
- resistor
- 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.)
- Pending
Links
- 238000010438 heat treatment Methods 0.000 title claims abstract description 15
- 238000001514 detection method Methods 0.000 claims abstract description 21
- 239000006229 carbon black Substances 0.000 claims description 6
- 229920006038 crystalline resin Polymers 0.000 claims description 6
- 238000010586 diagram Methods 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 229920013716 polyethylene resin Polymers 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
Abstract
Description
【発明の詳細な説明】
産業上の利用分野
本発明は、電気暖房器および一般の加熱装置として有用
な正抵抗温度特性発熱体に関する。DETAILED DESCRIPTION OF THE INVENTION Field of the Invention This invention relates to positive resistance temperature characteristic heating elements useful as electric heaters and general heating devices.
従来の技術
従来のこの種の正抵抗温度特性発熱体は、第３図に示す
ように、正抵抗温度係数抵抗体１１と、その正抵抗温度
係数抵抗体１１に電気的に接続された一対の電極１２ａ
、１２ｂと、その一対の電４ｉ１２ａ、１２ｂに接続さ
れた電源１３から成り立っていた。2. Description of the Related Art A conventional positive resistance temperature coefficient heating element of this type includes a positive resistance temperature coefficient resistor 11 and a pair of positive resistance temperature coefficient resistors 11 electrically connected to the positive resistance temperature coefficient resistor 11, as shown in FIG. Electrode 12a
, 12b, and a power supply 13 connected to the pair of power supplies 4i12a and 12b.
発明が解決しようとする課題
このような従来の正抵抗温度特性発熱体は、これに用い
られている正抵抗温度係数抵抗体１１自身が、正の抵抗
温度係数を有するために放熱と発熱のバランス点で常に
温度を一定に保とうとする性質があり、制御回路が必要
でないという利点は持っているものの、設定温度を変化
させることができにくいという課題を有していた。Problems to be Solved by the Invention In such a conventional positive resistance temperature coefficient heating element, since the positive resistance temperature coefficient resistor 11 itself used therein has a positive resistance temperature coefficient, it is difficult to balance heat radiation and heat generation. However, although it has the advantage of not requiring a control circuit, it has the problem that it is difficult to change the set temperature.
本発明は、上記課題を解決するもので、設定温度を変化
することが可能な正抵抗温度特性発熱体の提供を目的と
する。The present invention solves the above problems, and aims to provide a positive resistance temperature characteristic heating element whose set temperature can be changed.
課題を解決するための手段
上記目的を達成するために本発明の正抵抗温度特性発熱
体は、結晶性樹脂とカーボンブラックを主成分とする長
尺の薄肉板状の正抵抗温度係数抵抗体と、その正抵抗温
度係数抵抗体の長手方向に沿う対向面に設けられた一対
の電極板Ａ、Ｂと、その一対の電極板Ａ、Ｂの少なくと
も一方の電極板Ｂの前記正抵抗温度係数抵抗体と対向す
る裏面に結晶性樹脂とカーボンブラックを主成分とする
他の正抵抗温度係数抵抗体と、その他の正抵抗温度係数
抵抗体を介して設けた電圧検知電極板Ｃと、前記２種の
正抵抗温度係数抵抗体と前記３枚の電極板人、Ｂ、Ｃを
外装する電気絶縁層とからなり、前記電圧検知電極板Ｃ
の一方の端は可変抵抗器、電源を経て他の正抵抗温度係
数抵抗体に接する電極板Ｂに結線され、前記電極板ムの
一方の端は開閉器と前記電源を経て電極板Ｂに結線され
、前記可変抵抗器に並列に電圧検知部を結線し、前記電
圧検知部により前記開閉器を制御する構成とした。Means for Solving the Problems In order to achieve the above object, the positive resistance temperature coefficient heating element of the present invention comprises a positive resistance temperature coefficient resistor in the form of a long thin plate whose main components are crystalline resin and carbon black. , a pair of electrode plates A and B provided on opposing surfaces along the longitudinal direction of the positive resistance temperature coefficient resistor, and the positive resistance temperature coefficient resistance of at least one electrode plate B of the pair of electrode plates A and B. Another positive resistance temperature coefficient resistor mainly composed of crystalline resin and carbon black on the back surface facing the body, and a voltage detection electrode plate C provided via another positive resistance temperature coefficient resistor, and the above two types. The voltage sensing electrode plate C is composed of a positive resistance temperature coefficient resistor and an electrical insulating layer that covers the three electrode plates B and C.
One end of the electrode plate B is connected to an electrode plate B which is in contact with another positive resistance temperature coefficient resistor through a variable resistor and a power source, and one end of the electrode plate B is connected to an electrode plate B through a switch and the power source. A voltage detection section is connected in parallel to the variable resistor, and the switch is controlled by the voltage detection section.
作用
本発明は上記した構成により、可変抵抗器の抵抗値と、
電極板Ｂと電圧検知電極Ｃの間の他の正抵抗温度係数抵
抗体との抵抗値の比により電極板ムと電極板Ｂの間の正
抵抗温度係数抵抗体への通電を制御し、可変抵抗器の抵
抗値の設定を変化させることにより、設定温度を変化さ
せることができる。Effect The present invention has the above-described configuration, and the resistance value of the variable resistor,
The energization to the positive resistance temperature coefficient resistor between the electrode plate B and the electrode plate B is controlled and variable depending on the resistance value ratio of the other positive resistance temperature coefficient resistor between the electrode plate B and the voltage detection electrode C. By changing the resistance value setting of the resistor, the set temperature can be changed.
実施例
以下、本発明の一実施例について第１図および第２図を
参照しながら説明する。EXAMPLE Hereinafter, an example of the present invention will be described with reference to FIGS. 1 and 2.
第１図において、１は結晶性ポリエチレン樹脂等の結晶
性樹脂とカーボンブラックを主成分とする長尺の薄肉板
状の正抵抗温度係数抵抗体で、正抵抗温度係数抵抗体１
の長手方向に沿って一対の電極板ムとＢが設けられてい
る。In FIG. 1, numeral 1 denotes a positive resistance temperature coefficient resistor in the form of a long thin plate whose main components are crystalline resin such as crystalline polyethylene resin and carbon black.
A pair of electrode plates B and B are provided along the longitudinal direction.
さらに電極板Ｂの正抵抗温度係数抵抗体１と対向する裏
面に結晶性樹脂とカーボンブラックを主成分とし正抵抗
温度係数抵抗体１とは抵抗値の異なる他の正抵抗温度係
数抵抗体２を設け、さらに他の正抵抗温度係数抵抗体２
を介して電圧検知電極板Ｃが設けられている。Further, on the back surface of the electrode plate B facing the positive resistance temperature coefficient resistor 1, another positive resistance temperature coefficient resistor 2 which is mainly composed of crystalline resin and carbon black and has a different resistance value from the positive resistance temperature coefficient resistor 1 is installed. Furthermore, another positive resistance temperature coefficient resistor 2 is provided.
A voltage detection electrode plate C is provided via the.
２種の正抵抗温度係数抵抗体１，２と３枚の電極板ム・
Ｂ、Ｃを外装するため電気絶縁層３が設けられている。Two types of positive resistance temperature coefficient resistors 1 and 2 and three electrode plates
An electrical insulating layer 3 is provided to cover B and C.
電気絶縁層３は発熱体全体を覆うものであるが、その一
部を図示している。The electrical insulating layer 3 covers the entire heating element, but only a portion thereof is shown.
このような構成の発熱体において、電圧検知電極板Ｃの
一方の端は可変抵抗器４、電源５を経て他の正抵抗温度
係数抵抗体２に接する電極板Ｂに結線されている。In the heating element having such a configuration, one end of the voltage detection electrode plate C is connected to the electrode plate B in contact with another positive resistance temperature coefficient resistor 2 via the variable resistor 4 and the power source 5.
さらに電極板ムの一方の端は通電を制御するリレーの接
点からなる開閉器６ｂと電源５を経て電極板Ｂに結線さ
れている。Furthermore, one end of the electrode plate B is connected to the electrode plate B via a switch 6b consisting of a relay contact for controlling energization and a power source 5.
また可変抵抗器４と並列にリレーのコイルからなる電圧
検知部６ａが結線され、電圧検知部６１Ｌにより開閉器
６ｂを制御する構成となっている。Further, a voltage detection section 6a consisting of a relay coil is connected in parallel with the variable resistor 4, and the switch 6b is controlled by the voltage detection section 61L.
上記構成において動作を説明する。第２図に他の正抵抗
温度係数抵抗体２の抵抗温度特性を示す。The operation in the above configuration will be explained. FIG. 2 shows the resistance temperature characteristics of another positive resistance temperature coefficient resistor 2.
温度上昇とともに抵抗値が増加する特性を示す。Shows the characteristic that the resistance value increases as the temperature rises.
実施例では、電極板Ｂの一方の端子と電圧検知電極板Ｃ
の一方の端の間に、電源５と可変抵抗器４が直列につな
がれているために、電極板ムと電極板Ｂの間の正抵抗温
度係数抵抗体１の温度変化に対応して、可変抵抗器４の
両端にかがる電圧が変化する。リレーのコイル部からな
る電圧検知部６ａに発生する電磁力が変化すると、リレ
ーの接点からなる開閉器６ｂが開閉し、正抵抗温度係数
抵抗体１の温度を制御することとなる。設定温度の調節
は可変抵抗器４により行なう。In the embodiment, one terminal of electrode plate B and voltage detection electrode plate C
Since the power supply 5 and the variable resistor 4 are connected in series between one end of the The voltage across the resistor 4 changes. When the electromagnetic force generated in the voltage detection section 6a, which is a coil section of a relay, changes, the switch 6b, which is a contact point of the relay, opens and closes, thereby controlling the temperature of the positive resistance temperature coefficient resistor 1. Adjustment of the set temperature is performed by a variable resistor 4.
発明の効果
以上の説明から明らかなように、本発明によれば、可変
抵抗器の抵抗値と、他の正抵抗温度係数抵抗体との抵抗
値の比により正抵抗温度係数抵抗体への通電を制御し、
可変抵抗器の抵抗値の設定を変化させることにより、設
定温度を任意に変化させることができる正抵抗温度特性
発熱体が得られる。Effects of the Invention As is clear from the above description, according to the present invention, current can be applied to a positive resistance temperature coefficient resistor based on the ratio of the resistance value of the variable resistor to the resistance value of another positive resistance temperature coefficient resistor. control,
By changing the resistance value setting of the variable resistor, a positive resistance temperature characteristic heating element whose set temperature can be arbitrarily changed is obtained.
第１図は本発明の一実施例の正抵抗温度特性発熱体の構
成図、第２図は本発明の一実施例に用いた他の抵抗温度
係数抵抗体の抵抗温度特性図、第３図は従来の正抵抗温
度特性発熱体の構成図である。
１・・・・・・正抵抗温度係数抵抗体、２・・・・・・
他の正抵抗温度係数抵抗体、Ａ、Ｂ・・・・・・電極板
、Ｃ・・・・・・電圧検知電極板、３・・・・・・電気
絶縁層、４・・・・・・可変抵抗器、６・・・・・・電
源、６！Ｌ・・・・・・電圧検知部、６ｂ・・・・・・
開閉器。
代理人の氏名 弁理士 粟 野 重 孝 頃か１名ｆ−
−正込４７１’！／１［４＃虻応１丸噌幕クー ４ｔつ
正ｔｌ光う１膚α１欠檀抗１本５− 支環
ら−４ｔｈ ？ｌ…部
６ｂ−閲７［。
Ａ、Ｂ−ｔ、降伏
ｃ−４工檜知貫埼扶Fig. 1 is a configuration diagram of a positive resistance temperature coefficient heating element according to an embodiment of the present invention, Fig. 2 is a resistance temperature characteristic diagram of another resistance temperature coefficient resistor used in an embodiment of the present invention, and Fig. 3 is a configuration diagram of a conventional positive resistance temperature characteristic heating element. 1...Positive resistance temperature coefficient resistor, 2...
Other positive resistance temperature coefficient resistors, A, B...electrode plate, C...voltage detection electrode plate, 3...electrical insulating layer, 4...・Variable resistor, 6...Power supply, 6! L... Voltage detection section, 6b...
switch. Name of agent: Patent attorney Shigetaka Awano, 1 person f-
-471'! /1 [4 #虻 reply 1 round mask Ku 4t positive tl shining 1 skin α 1 missing resistance 1 book 5- Shikan et al-4th? l... Part 6b-View 7 [. A, B-t, Surrender c-4 Kohi Chikansaifu
Claims (1)
肉板状の正抵抗温度係数抵抗体と、その正抵抗温度係数
抵抗体の長手方向に沿う対向面に設けられた一対の電極
板Ａ、Ｂと、その一対の電極板Ａ、Ｂの少なくとも一方
の電極板Ｂの前記正抵抗温度係数抵抗体と対向する裏面
に結晶性樹脂とカーボンブラックを主成分とする他の正
抵抗温度係数抵抗体と、その他の正抵抗温度係数抵抗体
を介して設けた電圧検知電極板Ｃと、前記２種の正抵抗
温度係数抵抗体と前記３枚の電極板Ａ、Ｂ、Ｃを外装す
る電気絶縁層とからなり、前記電圧検知電極板Ｃの一方
の端は可変抵抗器、電源を経て他の正抵抗温度係数抵抗
体に接する電極板Ｂに結線され、前記電極板Ａの一方の
端は開閉器と前記電源を経て電極板Ｂに結線され、前記
可変抵抗器に並列に電圧検知部を結線し、前記電圧検知
部により前記開閉器を制御する構成とした正抵抗温度特
性発熱体。a long thin plate-shaped positive resistance temperature coefficient resistor mainly composed of crystalline resin and carbon black; a pair of electrode plates A provided on opposing surfaces along the longitudinal direction of the positive resistance temperature coefficient resistor; B, and another positive resistance temperature coefficient resistor mainly composed of crystalline resin and carbon black on the back surface of at least one electrode plate B of the pair of electrode plates A and B, which faces the positive resistance temperature coefficient resistor. , a voltage detection electrode plate C provided via another positive resistance temperature coefficient resistor, and an electrical insulating layer covering the two types of positive resistance temperature coefficient resistors and the three electrode plates A, B, and C. One end of the voltage sensing electrode plate C is connected to an electrode plate B which is in contact with another positive resistance temperature coefficient resistor via a variable resistor and a power source, and one end of the electrode plate A is connected to a switch. A positive resistance temperature characteristic heating element is connected to an electrode plate B via the power source, a voltage detection section is connected in parallel to the variable resistor, and the switch is controlled by the voltage detection section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14830790A JPH0439886A (en) | 1990-06-05 | 1990-06-05 | Heating body having positive resistance temperature characteristic |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14830790A JPH0439886A (en) | 1990-06-05 | 1990-06-05 | Heating body having positive resistance temperature characteristic |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0439886A true JPH0439886A (en) | 1992-02-10 |
Family
ID=15449862
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14830790A Pending JPH0439886A (en) | 1990-06-05 | 1990-06-05 | Heating body having positive resistance temperature characteristic |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0439886A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013038084A (en) * | 2006-04-05 | 2013-02-21 | Mks Instruments Inc | Multiple heater control system with expandable modular functionality |
-
1990
- 1990-06-05 JP JP14830790A patent/JPH0439886A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013038084A (en) * | 2006-04-05 | 2013-02-21 | Mks Instruments Inc | Multiple heater control system with expandable modular functionality |
| JP2013041842A (en) * | 2006-04-05 | 2013-02-28 | Mks Instruments Inc | Heater control method of duplex heater control system including extendable module function |
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