JPH0145267Y2 - - Google Patents
Info
- Publication number
- JPH0145267Y2 JPH0145267Y2 JP1982106053U JP10605382U JPH0145267Y2 JP H0145267 Y2 JPH0145267 Y2 JP H0145267Y2 JP 1982106053 U JP1982106053 U JP 1982106053U JP 10605382 U JP10605382 U JP 10605382U JP H0145267 Y2 JPH0145267 Y2 JP H0145267Y2
- Authority
- JP
- Japan
- Prior art keywords
- resistor
- lead wires
- circuit
- temperature fuse
- switch
- 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
Links
- 238000010586 diagram Methods 0.000 description 7
- 239000003990 capacitor Substances 0.000 description 4
- 238000013021 overheating Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000020169 heat generation Effects 0.000 description 3
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 3
- 238000007664 blowing Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 230000002457 bidirectional effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Landscapes
- Control Of Voltage And Current In General (AREA)
- Power Conversion In General (AREA)
- Rectifiers (AREA)
Description
【考案の詳細な説明】
〈産業上の利用分野〉
本考案は、例えばコンデンサインプツト型直流
電源回路等のように、電源投入時の突入電流を抵
抗によつて制限し、定常状態に移行した後は前記
抵抗をスイツチによつて短絡して回路電流を流す
回路構成をとる場合に好適な電流制御回路に関す
る。[Detailed description of the invention] <Industrial application field> The invention is designed to limit the inrush current when the power is turned on using a resistor, such as in a capacitor-input type DC power supply circuit, and to transition to a steady state. The following describes a current control circuit suitable for a circuit configuration in which the resistor is short-circuited by a switch and a circuit current is caused to flow.
〈従来の技術〉
例えばコンデンサインプツト型電源回路におい
ては、電源投入の瞬間からコンデンサに対する充
電作用が終了するまでに流れる大きな突入電流を
抑制するため、従来より、第１図に示すように、
回路に直列に抵抗Ｒを挿入接続し、該抵抗Ｒによ
り入力端子１，２に対する交流電源投入時の突入
電流を制限すると共に、コンデンサＣへの充電作
用が終了した後は、この抵抗Ｒに並列に接続した
サイリスタ、トランジスタ等で構成されたスイツ
チＳをオンにして、抵抗Ｒを短絡し、定常状態へ
移行する回路構成の電流制御回路が知られてい
る。Ｄはダイオードブリツジによる整流回路、
RLは負荷、３はスイツチＳをオン、オフさせる
スイツチ駆動回路である。<Prior Art> For example, in a capacitor input type power supply circuit, in order to suppress the large inrush current that flows from the moment the power is turned on until the charging action on the capacitor ends, conventionally, as shown in Fig. 1,
A resistor R is inserted and connected in series to the circuit, and this resistor R limits the inrush current to the input terminals 1 and 2 when the AC power is turned on, and after the charging action to the capacitor C is finished, the resistor R is connected in parallel to this resistor R. A current control circuit is known that has a circuit configuration in which a switch S made up of a thyristor, a transistor, etc. connected to the circuit is turned on, a resistor R is short-circuited, and the circuit shifts to a steady state. D is a rectifier circuit using a diode bridge,
RL is a load, and 3 is a switch drive circuit that turns the switch S on and off.
〈考案が解決しようとする課題〉
ところが、上述の従来回路においては、スイツ
チＳまたはスイツチ駆動回路３等に故障を生じ、
定常状態に移行したにも拘わらず、スイツチＳに
よつて抵抗Ｒを短絡できなくなつた場合、抵抗Ｒ
に回路電流が流れ続け、抵抗発熱が大きくなり、
火災等を発生してしまう危険があつた。<Problem to be solved by the invention> However, in the above-mentioned conventional circuit, a failure occurs in the switch S or the switch drive circuit 3, etc.
If the switch S cannot short-circuit the resistor R even though the steady state has been reached, the resistor R
The circuit current continues to flow through the circuit, and the resistance heat generation increases.
There was a risk of a fire occurring.
そこで、本考案の課題は、上述する従来の問題
点を除去し、スイツチまたはスイツチ駆動回路等
に故障を生じたために、スイツチによつて電流制
限用抵抗を短絡することができなくなつた場合で
も、抵抗過熱による火災等の発生を確実に防止で
きるようにした安全性の高い電流制御回路を提供
することである。 Therefore, the object of the present invention is to eliminate the above-mentioned conventional problems, and to solve the problem even when the switch or the switch drive circuit becomes unable to short-circuit the current-limiting resistor due to a failure in the switch or the switch drive circuit. An object of the present invention is to provide a highly safe current control circuit that can reliably prevent the occurrence of fires and the like due to resistor overheating.
〈課題を解決するための手段〉
上述する課題解決のため、本考案に係る電流制
御回路は、電流制限用の抵抗と、該抵抗と電気的
に直列に接続され該抵抗に発生する熱が所定値以
上になると溶断する温度ヒユーズと、前記抵抗と
並列に接続されたスイツチとを備える電流制御回
路であつて、
前記抵抗及び前記温度ヒユーズのそれぞれは、
軸方向の両端にリード線を有し、前記リード線の
導出方向が互いに一致するようにして、互いに熱
的に密に接触するように併設されており、
前記抵抗及び前記温度ヒユーズの前記リード線
のうち、同一方向に導出されている前記リード線
の一方は、互いに面接触させて機械的に圧着結合
させてあること
を特徴とする。<Means for Solving the Problems> In order to solve the above-mentioned problems, the current control circuit according to the present invention includes a current-limiting resistor, and a current-limiting resistor that is electrically connected in series with the resistor so that the heat generated in the resistor is A current control circuit comprising a temperature fuse that melts when the temperature exceeds a value, and a switch connected in parallel with the resistor, each of the resistor and the temperature fuse
lead wires are provided at both ends in the axial direction, and the lead wires are arranged so that the leading directions of the lead wires coincide with each other so as to be in close thermal contact with each other, and the lead wires of the resistor and the temperature fuse One of the lead wires led out in the same direction is brought into surface contact with each other and mechanically bonded by pressure.
〈作用〉
電流制限用の抵抗と、該抵抗と電気的に直列に
接続され該抵抗に発生する熱が所定値以上になる
と溶断する温度ヒユーズと、前記抵抗と並列に接
続されたスイツチとを備えるので、スイツチまた
はスイツチ駆動回路等に故障を生じたために、ス
イツチによつて電流制御用抵抗を短絡することが
できなくなつた場合でも、抵抗に発生する熱によ
つて温度ヒユーズを溶断し、抵抗過熱による火災
等の発生を確実に防止できる。<Function> Includes a current limiting resistor, a temperature fuse that is electrically connected in series with the resistor and blows when the heat generated in the resistor exceeds a predetermined value, and a switch that is connected in parallel with the resistor. Therefore, even if the switch cannot short-circuit the current control resistor due to a failure in the switch or the switch drive circuit, the heat generated in the resistor will melt the temperature fuse and It is possible to reliably prevent the occurrence of fires, etc. due to overheating.
しかも、抵抗及び温度ヒユーズのそれぞれは、
軸方向の両端にリード線を有し、リード線の導出
方向が互いに一致するようにして、互いに熱的に
密に接触するように併設されており、更に、これ
に加えて、抵抗及び温度ヒユーズのリード線のう
ち、同一方向に導出されているリード線の一方
は、互いに面接触させて機械的に圧着結合させて
あるので、抵抗から温度ヒユーズへの熱伝導が、
互いの本体部分及びリード線の両面から行なわ
れ、熱伝導効率が高くなる。このため、抵抗熱に
よる温度ヒユーズの溶断作用が確実になり、信頼
性が向上する。 Moreover, each of the resistance and temperature fuse is
It has lead wires at both ends in the axial direction, and the lead wires are placed in close thermal contact with each other so that their leading directions match each other, and in addition, resistance and temperature fuses are installed. Among the lead wires, one of the lead wires led out in the same direction is brought into surface contact with each other and mechanically bonded by pressure, so that heat conduction from the resistor to the temperature fuse is reduced.
This is done from both sides of the main body and lead wires, increasing the heat conduction efficiency. Therefore, the blowing effect of the temperature fuse due to resistance heat is ensured, and reliability is improved.
更に、抵抗及び温度ヒユーズのリード線のう
ち、同一方向に導出されているリード線の一方
は、互いに面接触させて圧着させてあるので、リ
ード線間の熱抵抗が低下し、熱伝導性が向上す
る。しかも、リード線は、機械的に圧着結合させ
てあるから、抵抗及び温度ヒユーズの間の熱伝導
及び機械的結合の信頼性が増し、温度ヒユーズが
抵抗の発熱により確実に熱溶断されるようにな
る。 Furthermore, among the lead wires of the resistance and temperature fuses, one of the lead wires led out in the same direction is crimped in surface contact with each other, which reduces the thermal resistance between the lead wires and improves thermal conductivity. improves. Moreover, since the lead wires are mechanically crimped and connected, the reliability of heat conduction and mechanical connection between the resistance and temperature fuse is increased, and the temperature fuse is reliably blown out by the heat generated by the resistance. Become.
〈実施例〉
第２図は本考案に係る電流制御回路を備えたコ
ンデンサインプツト型電源回路の電気回路接続図
である。図において、第１図と同一の参照符号は
同一性ある構成部分を示している。電流制御回路
は、整流回路Ｄの出力側に挿入接続された電流制
限用の抵抗Ｒに対し、該抵抗Ｒの発熱温度が所定
値以上になつた時、その熱によつて溶断するよう
に熱結合された温度ヒユーズＦを直列に接続し、
この抵抗Ｒと温度ヒユーズＦとの直列回路に対し
てスイツチＳを並列に接続した回路構成となつて
いる。<Embodiment> FIG. 2 is an electrical circuit connection diagram of a capacitor input type power supply circuit equipped with a current control circuit according to the present invention. In the figure, the same reference numerals as in FIG. 1 indicate the same components. The current control circuit controls a current limiting resistor R inserted and connected to the output side of the rectifier circuit D so that when the heat generation temperature of the resistor R exceeds a predetermined value, the current control circuit melts the resistor R. Connect the combined temperature fuses F in series,
The circuit configuration is such that a switch S is connected in parallel to the series circuit of the resistor R and the temperature fuse F.
上記の回路構成において、回路動作が定常状態
に移行すべきにも拘わらず、回路故障等によりス
イツチＳがオンとならず、回路電流が抵抗Ｒに流
れ続け、抵抗Ｒの発熱温度が所定値になると、温
度ヒユーズＦがその熱によつて溶断され、回路が
遮断される。従つて、スイツチＳまたはスイツチ
駆動回路３に故障等を生じて、抵抗Ｒを短絡でき
なくなつた場合でも、抵抗Ｒが過熱状態になるの
を温度ヒユーズＦの溶断によつて阻止し、火災の
発生等を防止することができる。 In the above circuit configuration, even though the circuit operation should be in a steady state, the switch S is not turned on due to a circuit failure, the circuit current continues to flow through the resistor R, and the heat generation temperature of the resistor R reaches a predetermined value. Then, the temperature fuse F is blown by the heat, and the circuit is cut off. Therefore, even if a failure occurs in the switch S or the switch drive circuit 3 and the resistor R cannot be short-circuited, the resistor R will be prevented from overheating by blowing the temperature fuse F, and a fire will be prevented. It is possible to prevent such occurrence.
抵抗Ｒ及び温度ヒユーズＦは、第３図に示すよ
うに、軸方向の両端側にリード線を有しており、
リード線が同一方向に導出されるようにして、熱
的に密に接触するように併設してある。抵抗Ｒ及
び温度ヒユーズＦのリード線のうち、同一方向に
導出されているリード線の一方４，５は、ある長
さで互いに面接触させて機械的に圧着結合させ、
電気的に直列に接続する。リード線４とリード線
５の圧着結合は、圧着端子等によるカシメ結合構
造が適している。この圧着結合構造により、リー
ド線４−５間の熱抵抗が低下し、熱伝導性が向上
すると共に、電気的、機械的結合の信頼性が向上
する。 As shown in Fig. 3, the resistor R and the temperature fuse F have lead wires at both ends in the axial direction.
The lead wires are placed side by side so as to be led out in the same direction so as to be in close thermal contact with each other. Among the lead wires of the resistor R and the temperature fuse F, one of the lead wires 4 and 5, which are led out in the same direction, are brought into surface contact with each other over a certain length and mechanically bonded by pressure,
Connect electrically in series. For the crimp connection between the lead wire 4 and the lead wire 5, a caulking connection structure using a crimp terminal or the like is suitable. This crimp bonding structure reduces the thermal resistance between the lead wires 4 and 5, improves thermal conductivity, and improves the reliability of electrical and mechanical connections.
第２図は電流制御回路を整流回路Ｄの出力側に
設けた例を示しているが、第４図に示すように、
整流回路Ｄの交流入力側に挿入してもよい。この
第４図の実施例の場合は、スイツチＳはトライア
ツク等の双方向性スイツチによつて構成する。 Figure 2 shows an example in which the current control circuit is provided on the output side of the rectifier circuit D, but as shown in Figure 4,
It may be inserted into the AC input side of the rectifier circuit D. In the embodiment of FIG. 4, the switch S is constituted by a bidirectional switch such as a triax.
また、上記実施例では交流入力の直流電源回路
を例にとつて説明したが、第５図に示すように、
直流入力の場合でも、突入電流を抑制する必要の
ある場合は同様に適用が可能である。 Furthermore, although the above embodiment has been explained using an AC input DC power supply circuit as an example, as shown in FIG.
Even in the case of DC input, it can be similarly applied when it is necessary to suppress inrush current.
〈考案の効果〉
以上述べたように、本考案によれば、次のよう
な効果が得られる。<Effects of the invention> As described above, according to the present invention, the following effects can be obtained.
(a) 電流制限用の抵抗と、該抵抗と電気的に直列
に接続され該抵抗に発生する熱が所定値以上に
なると溶断する温度ヒユーズと、前記抵抗と並
列に接続されたスイツチとを備えるので、スイ
ツチまたはスイツチ駆動回路等に故障を生じた
ために、スイツチによつて電流制御用抵抗を短
絡することができなくなつた場合でも、抵抗に
発生する熱によつて温度ヒユーズを溶断し、抵
抗過熱による火災等の発生を確実に防止し得る
安全性の高い電流制御回路を提供できる。(a) A current limiting resistor, a temperature fuse that is electrically connected in series with the resistor and blows when the heat generated in the resistor exceeds a predetermined value, and a switch that is connected in parallel with the resistor. Therefore, even if the switch cannot short-circuit the current control resistor due to a failure in the switch or the switch drive circuit, the heat generated in the resistor will melt the temperature fuse and A highly safe current control circuit that can reliably prevent fires and the like due to overheating can be provided.
(b) 抵抗及び温度ヒユーズのそれぞれは、軸方向
の両端にリード線を有し、リード線の導出方向
が互いに一致するようにして、互いに熱的に密
に接触するように併設されており、抵抗及び温
度ヒユーズのリード線のうち、同一方向に導出
されているリード線の一方は、互いに面接触さ
せて機械的に圧着結合させてあるので、抵抗か
ら温度ヒユーズへの熱伝導が、互いの本体部分
及びリード線の両面から行なわれ、熱伝導効率
が高くなる。このため、抵抗の発熱による温度
ヒユーズの溶断作用が確実で、信頼性の高い電
流制御回路を提供できる。(b) Each of the resistance and temperature fuses has lead wires at both ends in the axial direction, and the lead wires are placed side by side so that the leading directions of the wires coincide with each other so as to be in close thermal contact with each other, Among the lead wires of the resistance and temperature fuse, one of the lead wires led out in the same direction is brought into surface contact with each other and mechanically bonded by pressure, so that the heat conduction from the resistance to the temperature fuse is mutually controlled. This is done from both the main body part and the lead wire, increasing heat conduction efficiency. Therefore, the temperature fuse is reliably blown by the heat generated by the resistor, and a highly reliable current control circuit can be provided.
(c) 抵抗及び温度ヒユーズのリード線のうち、同
一方向に導出されているリード線の一方は、互
いに面接触させて圧着させてあるので、リード
線間の熱抵抗が低下し、熱伝導が高くなり、温
度ヒユーズを抵抗の発熱により確実に熱溶断し
得る電流制御回路を提供できる。(c) Among the resistance and temperature fuse lead wires, one of the lead wires led out in the same direction is crimped in surface contact with each other, so the thermal resistance between the lead wires is reduced and heat conduction is improved. Therefore, it is possible to provide a current control circuit that can reliably thermally blow out a temperature fuse due to the heat generated by the resistor.
(d) 抵抗及び温度ヒユーズのリード線は、機械的
に圧着結合させてあるから、抵抗及び温度ヒユ
ーズの間の熱伝導及び機械的結合の信頼性が増
し、温度ヒユーズを抵抗の発熱により確実に熱
溶断し得る電流制御回路を提供できる。(d) The lead wires of the resistance and temperature fuses are mechanically crimped together, increasing the reliability of heat conduction and mechanical coupling between the resistance and temperature fuses, and ensuring that the temperature fuses are connected to the heat generated by the resistance. A current control circuit that can be thermally fused can be provided.
第１図は従来の電流制御回路を備えた電源回路
の電気回路接続図、第２図は本考案に係る電流制
御回路を備えた電源回路の電気回路接続図、第３
図は抵抗と温度ヒユーズとの具体的な結合構造を
示す図、第４図は本考案に係る電流制御回路を備
えた電源回路の別の実施例を示す電気回路接続
図、第５図は同じく更に別の実施例を示す電気回
路接続図である。
Ｒ……抵抗、Ｓ……スイツチ、Ｆ……温度ヒユ
ーズ。
Figure 1 is an electric circuit connection diagram of a power supply circuit equipped with a conventional current control circuit, Figure 2 is an electric circuit connection diagram of a power supply circuit equipped with a current control circuit according to the present invention, and Figure 3 is an electric circuit connection diagram of a power supply circuit equipped with a conventional current control circuit.
The figure shows a specific coupling structure between a resistor and a temperature fuse, Figure 4 is an electric circuit connection diagram showing another embodiment of a power supply circuit equipped with a current control circuit according to the present invention, and Figure 5 is a similar diagram. FIG. 7 is an electric circuit connection diagram showing still another embodiment. R...Resistance, S...Switch, F...Temperature fuse.
Claims (1)
接続され該抵抗に発生する熱が所定値以上になる
と溶断する温度ヒユーズと、前記抵抗と並列に接
続されたスイツチとを備える電流制御回路であつ
て、 前記抵抗及び前記温度ヒユーズのそれぞれは、
軸方向の両端にリード線を有し、前記リード線の
導出方向が互いに一致するようにして、互いに熱
的に密に接触するように併設されており、 前記抵抗及び前記温度ヒユーズの前記リード線
のうち、同一方向に導出されている前記リード線
の一方は、互いに面接触させて機械的に圧着結合
させてあること を特徴とする電流制御回路。[Claims for Utility Model Registration] A current limiting resistor, a temperature fuse that is electrically connected in series with the resistor and blows when the heat generated in the resistor exceeds a predetermined value, and a temperature fuse that is connected in parallel with the resistor. a current control circuit comprising a switch, wherein each of the resistor and the temperature fuse is
lead wires are provided at both ends in the axial direction, and the lead wires are placed side by side in such a way that the leading directions of the lead wires coincide with each other so as to be in close thermal contact with each other, and the lead wires of the resistor and the temperature fuse A current control circuit characterized in that one of the lead wires led out in the same direction is brought into surface contact with each other and mechanically bonded by pressure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10605382U JPS5913090U (en) | 1982-07-13 | 1982-07-13 | current control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10605382U JPS5913090U (en) | 1982-07-13 | 1982-07-13 | current control circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5913090U JPS5913090U (en) | 1984-01-26 |
| JPH0145267Y2 true JPH0145267Y2 (en) | 1989-12-27 |
Family
ID=30248340
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10605382U Granted JPS5913090U (en) | 1982-07-13 | 1982-07-13 | current control circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5913090U (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0783601B2 (en) * | 1984-09-12 | 1995-09-06 | 株式会社日立製作所 | Load drive circuit |
| JPH0834688B2 (en) * | 1989-11-30 | 1996-03-29 | 財団法人半導体研究振興会 | Power supply |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5836200Y2 (en) * | 1977-04-08 | 1983-08-15 | パイオニア株式会社 | Power transformer inrush reduction circuit |
-
1982
- 1982-07-13 JP JP10605382U patent/JPS5913090U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5913090U (en) | 1984-01-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101983411B (en) | External operation thermal protector | |
| JP5555249B2 (en) | Electrical circuit connected with thermal switch with three terminals and its connection method | |
| US4278874A (en) | Heating circuits | |
| JPH0145267Y2 (en) | ||
| KR102554819B1 (en) | high voltage fuse unit | |
| CN101444146B (en) | Safety starter device | |
| KR102468917B1 (en) | Electrochemical energy storage modules and vehicles | |
| JP2012129124A (en) | Circuit protective element and battery pack device using the same | |
| JP3545134B2 (en) | Electric heating equipment security device | |
| JPH0824605B2 (en) | Hair dryer | |
| JPS601483Y2 (en) | Temperature fuse for air conditioner | |
| CN216291484U (en) | Battery heating circuit and system | |
| JPH08250301A (en) | Insulated wire wound power resistor | |
| MXPA01010499A (en) | Semiconductor power component comprising a safety fuse. | |
| JPS6017777Y2 (en) | temperature fuse | |
| JPH069427Y2 (en) | Terminal block | |
| JPS5928596Y2 (en) | electrical equipment | |
| JPS6314356Y2 (en) | ||
| JPH11339615A (en) | Substrate type resistor thermal fuse | |
| JPS6340872Y2 (en) | ||
| JPS6340873Y2 (en) | ||
| JPH0139063Y2 (en) | ||
| JPH0548171U (en) | Current temperature fuse | |
| JPH053091B2 (en) | ||
| JPH0141007B2 (en) |