JPS6042932A - Three-phase solid-state relay - Google Patents
Three-phase solid-state relayInfo
- Publication number
- JPS6042932A JPS6042932A JP15192683A JP15192683A JPS6042932A JP S6042932 A JPS6042932 A JP S6042932A JP 15192683 A JP15192683 A JP 15192683A JP 15192683 A JP15192683 A JP 15192683A JP S6042932 A JPS6042932 A JP S6042932A
- Authority
- JP
- Japan
- Prior art keywords
- phase
- ssr
- main body
- main
- control circuit
- 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
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
- H03K17/56—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices
- H03K17/72—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices having more than two PN junctions; having more than three electrodes; having more than one electrode connected to the same conductivity region
- H03K17/725—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices having more than two PN junctions; having more than three electrodes; having more than one electrode connected to the same conductivity region for AC voltages or currents
Landscapes
- Protection Of Static Devices (AREA)
- Power Conversion In General (AREA)
- Thyristor Switches And Gates (AREA)
- Electronic Switches (AREA)
Abstract
Description
【発明の詳細な説明】
〔発明の技術分野〕
本発明は、３相交流電源の負荷への供給を捨所制御する
３相ソリンドステートリレ−（以下３相ＳＳＲと記す）
に関するものである。[Detailed Description of the Invention] [Technical Field of the Invention] The present invention relates to a three-phase solid state relay (hereinafter referred to as three-phase SSR) that controls the supply of three-phase AC power to a load.
It is related to.
従来、３相交流モータの駆動制御を行なう場合には、メ
カニカルリレーである電磁開閉器を用い、これを開閉制
御することにより該モーフへの３相い使用状況下では、
その接点の摩耗が激しくなり、下単相ＳＳＲと記す）が
あり、これは上記電磁開閉器のような接点は必要ないも
のであり、従ってイリスタ、８５．８６は図示しない制
御回路に接信号が“Ｈ”のときは、上記制御端子８５．
８６間が短絡され、これにより単相交流の正の半サイク
ルにおいては、電源側主端子８１．第１ゲート補助回路
８７．制御端子８５．８６間、第２サイリスタ８４のゲ
ート、負荷側主端子８２の経路で補助電流が流れて第２
サイリスタ８４がオンし、これにより主電流が電源側主
端子８１がら第２サイリスタ８４を通って負荷側主端子
８２に流れ、また単相交流の負の半サイクルでは、同様
にして第２ゲート補助回路８８および第１サイリスタ８
３が動作し、主電流が負荷側から第１サイリスタ８３を
通って電源側に流れ、その結果負荷に単相電力が供給さ
れることとなる。Conventionally, when controlling the drive of a 3-phase AC motor, an electromagnetic switch, which is a mechanical relay, is used to control the opening and closing of the morph.
There is a type of lower single-phase SSR (lower single-phase SSR) in which the contact becomes severely worn, and a contact like the electromagnetic switch mentioned above is not required. When the level is "H", the control terminal 85.
86 are short-circuited, and as a result, in the positive half cycle of single-phase AC, the power supply side main terminals 81. First gate auxiliary circuit 87. An auxiliary current flows between the control terminals 85 and 86, the gate of the second thyristor 84, and the load side main terminal 82, and the second
The thyristor 84 turns on, and as a result, the main current flows from the power supply side main terminal 81 through the second thyristor 84 to the load side main terminal 82, and in the negative half cycle of single-phase AC, the second gate auxiliary current flows in the same way. Circuit 88 and first thyristor 8
3 operates, the main current flows from the load side through the first thyristor 83 to the power supply side, and as a result, single-phase power is supplied to the load.
一方、上記制御信号が“Ｌ ”のときは上記制御端子８
５．８６間は開放状態となり、その結果両すイリ子夕８
３，８４はオフのままで負荷には単相電力は供給されな
い。従ってこの単相ＳＳＲを用いれば、上記制御信号に
よって単相電源の負荷への供給を捨所制御できることと
なる。On the other hand, when the control signal is "L", the control terminal 8
5.86 was open, and as a result, both Iriko Yue 8
3 and 84 remain off, and single-phase power is not supplied to the load. Therefore, if this single-phase SSR is used, the supply of the single-phase power source to the load can be controlled by the control signal.
このような従来の状況において、上記３相交流電源の負
荷への供給を捨所制御する場合は、電磁開閉器の代わり
に上記単相ＳＳＲを組合せることによって上記寿命低下
の問題を回避することが可能であると考えられる。In such a conventional situation, when controlling the supply of the three-phase AC power to the load, the problem of shortened life can be avoided by combining the single-phase SSR in place of the electromagnetic switch. is considered possible.
本発明は、かかる点に鑑み、３相交流電源の負荷への供
給を捨所するための装置として、上記電磁開閉器におけ
る接点の摩耗による寿命低下という問題を回避できる３
相ＳＳＲであって、かつ該３相ＳＳＲを、半導体主素子
回路及びこれをサージ電圧等から保護するアブソーバ回
路を有するＳＳＲ本体と、これをオン、オフ制御するｎ
ＩＩ！御回路部とに分割して構成し、それぞれを相互に
着脱自在とすることにより、各回路部をそれぞれ独立し
て交換でき、非常に経済的でかつ便利な３相ソリツドス
テートリレーを捉供することを目的としている。In view of this, the present invention is a device for discontinuing the supply of three-phase AC power to a load, and is capable of avoiding the problem of shortened lifespan due to wear of the contacts in the electromagnetic switch.
A phase SSR, the three-phase SSR includes an SSR main body having a semiconductor main element circuit and an absorber circuit that protects this from surge voltage, etc., and an SSR main body that controls on and off the same.
II! The control circuit is divided into two parts, each of which is detachable from the other, allowing each circuit to be replaced independently, providing an extremely economical and convenient 3-phase solid state relay. The purpose is to
以下、本発明の一実施例を図について説明する。 Hereinafter, one embodiment of the present invention will be described with reference to the drawings.
第２図は本発明の一実施例による３相５ＳＲ７０を示し
、これは第３図に示すように、３相交流電源６２と負荷
である３相交流モータ６３とを接続する３相ケーブル６
４の途中に介挿され、第１図に示す主素子回路８０と同
じ回路を３つ備えた主回路部６１でもって上記３相交流
電源６２のモータ６３への供給を捨所制御するものであ
る。FIG. 2 shows a three-phase 5SR 70 according to an embodiment of the present invention, which, as shown in FIG.
4, and controls the supply of the three-phase AC power source 62 to the motor 63 using a main circuit section 61 which is provided with three circuits similar to the main element circuit 80 shown in FIG. be.
そして上記３相５ＳＲ７０は、第２図に示すように、そ
れぞれ相互に分割して構成されたＳＳＲ本体１０及び制
御回路部２０からなり、上記ＳＳＲ本体ＩＯには、上述
の主回路部６１及びこれを雷等のサージ電圧から保護す
るアブソーバ回路が収納されている。またこのＳＳＲ本
体１０の上面前、後部には、上記各主素子回路８０を電
源側又は負荷側の３相ケーブル６４に接続するための主
端子１１ａ、１２ａ、１３ａ゛及び主端子１１ｂ。The 3-phase 5SR 70, as shown in FIG. Contains an absorber circuit that protects the battery from surge voltages such as those caused by lightning. Further, main terminals 11a, 12a, 13a' and a main terminal 11b for connecting each of the main element circuits 80 to the three-phase cable 64 on the power supply side or the load side are provided at the front and rear of the upper surface of the SSR main body 10.
１２ｂ、１３ｂが対向して形成されており、この主端子
１１ａ”−１３８及び主端子１１ｂ〜１３ｂはそれぞれ
相互に平行な直線上に配設されている。12b and 13b are formed to face each other, and the main terminals 11a''-138 and main terminals 11b to 13b are arranged on straight lines parallel to each other.
そしてこの各主端子１１〜１３と同一線上に、上記各主
素子回路８０に制御信号を印加するためのゲート中継端
子１ｊ、１５．１６が上記各主端子１１〜１３と交互に
配設されてお一す、該ゲート中継端子１４〜１６はそれ
ぞれ上方に突出して形成されている。そして上記主端子
１１〜１３は、それぞれを隔離する外方側面が開口した
コ字状の出力バリア１７で囲まれており、これにより主
端子１１〜１３とゲート中継端子１４〜１６との絶縁距
離、即ち沿面距離と空間距離とが確保されている。なお
、１８．１９はねし穴である。On the same line as each of the main terminals 11 to 13, gate relay terminals 1j and 15.16 for applying a control signal to each of the main element circuits 80 are arranged alternately with each of the main terminals 11 to 13. First, each of the gate relay terminals 14 to 16 is formed to protrude upward. The main terminals 11 to 13 are surrounded by a U-shaped output barrier 17 with an open outer side that separates them from each other, thereby providing an insulation distance between the main terminals 11 to 13 and the gate relay terminals 14 to 16. That is, creepage distance and spatial distance are ensured. Note that 18 and 19 are drill holes.
また、上記制御回路部２０には、上記主素子回路８０を
オン、オフ制御するための制御回路（図示せず）が収納
されており、その側部には１対の入力端子２２が配設さ
れ、また前、後部には３対の出力端子２３．．２４．２
５がそれぞれ対向して配設されている。そして上記出力
端子２３〜２５のそれぞれには該端子２３〜２５と上記
ＳＳＲ本体１０のゲート中継端子１４〜１６とを接続す
るための孔４３，４４．４５が形成されている。なお、
２６はこの制御回路部２０を上記ＳＳＲ本体１０に取付
けるための取付孔である。Further, the control circuit section 20 houses a control circuit (not shown) for controlling the main element circuit 80 on and off, and a pair of input terminals 22 are arranged on the side thereof. There are also three pairs of output terminals 23. ．． 24.2
5 are arranged facing each other. Holes 43, 44, 45 are formed in each of the output terminals 23-25 for connecting the terminals 23-25 to the gate relay terminals 14-16 of the SSR main body 10. In addition,
Reference numeral 26 denotes a mounting hole for mounting the control circuit section 20 to the SSR main body 10.
次に作用効果について説明する。Next, the effects will be explained.
まずこの３相５ｓＲ７０を組立てる場合は、制御回路部
２０を、その出力端子２３〜２５の孔４３〜４５がＳＳ
Ｒ本体１０のゲート中継端子１４〜１Ｇに嵌合するよう
に上記ＳＳＲ本体】０の上に載置し、これらを取付孔２
６及びねし穴１８を使用してねしにより固定すればよい
。First, when assembling this 3-phase 5sR70, the control circuit section 20 is connected to the SS
Place it on the SSR main body ]0 so that it fits into the gate relay terminals 14 to 1G of the R main body 10, and attach these to the mounting holes 2.
6 and the tapped holes 18 can be used to fix the screws.
そして使用に際しては、外部からの制御信号線を制御回
路部２０の入力端子２２に接続し、電源側、負荷側の３
相ケーブルをＳＳＲ本体１０の主端子１１ａ、１２ａ、
１３ａ又は主端子１１ｂ。In use, the control signal line from the outside is connected to the input terminal 22 of the control circuit section 20, and the three
Connect the phase cable to the main terminals 11a, 12a,
13a or main terminal 11b.
１２ｂ、１３ｂにそれぞれ接続すればよい。12b and 13b, respectively.
このような本実施例装置によれば、３相交流電源６２の
負荷６３への供給の捨所を無接点方式の半導体主素子回
路８０で行なうようにしたので、高頻度の開閉を行なう
使用状′５１下においても十分な耐久性、寿命が得られ
る。また、ＳＳＲ本体１０と制御回路部２０とを相互に
着脱自在としているので、そのいずれかに故障が生じて
も故障したものだけを交換すればよく、経済的である。According to the device of this embodiment, the supply of the three-phase AC power supply 62 to the load 63 is performed by the non-contact type semiconductor main element circuit 80, so that it can be used in situations where frequent switching is performed. Sufficient durability and service life can be obtained even under '51. Furthermore, since the SSR main body 10 and the control circuit section 20 are mutually detachable, even if one of them fails, it is only necessary to replace the failed one, which is economical.
また制御回路部２０を、例えば位相制御機能、タイマー
機能を有するものに取替えることができ、実使用に際し
非常に便利である。Furthermore, the control circuit section 20 can be replaced with one having, for example, a phase control function and a timer function, which is very convenient in actual use.
以上のように、この発明によれば、３相交流電源の負荷
への供給の捨所を、半導体で構成した３相ＳＳＲで行な
うようにしたので、高頻度の開閉を行なう使用状況下に
おいても、十分な耐久性。As described above, according to the present invention, the supply of three-phase AC power to the load is performed by the three-phase SSR made of semiconductors, so that it can be used even under usage conditions where frequent switching is performed. , durable enough.
寿命を有し、しかも該３相ＳＳＲのＳＳＲ本体及び制御
回路部をそれぞれ分割して構成し、相互に着脱自在とし
たので、各回路部をそれぞれ独立して交換でき、非常に
経済的で便利な３相ソリ／トステートリレーが得られる
効果がある。It has a long service life, and since the SSR main body and control circuit section of the 3-phase SSR are constructed separately and can be attached and detached from each other, each circuit section can be replaced independently, making it extremely economical and convenient. This has the effect of providing a three-phase solitary/tristate relay.
第１図は単相ＳＳＲの半導体主素子回路の回路図、第２
図は本発明の一実施例による３相ＳＳＲの分解斜視図、
第３図は本３ 半１．１ ｓ Ｓ Ｒの使用状態を示す
図である。
１０・・・ＳＳＲ本体、２０・・・制御回路部、８０・
・・半導体主素子回路。
なお図中、同一符号は同−又は相当部分を示す。Figure 1 is a circuit diagram of the semiconductor main element circuit of a single-phase SSR, Figure 2
The figure is an exploded perspective view of a three-phase SSR according to an embodiment of the present invention.
FIG. 3 is a diagram showing the usage state of the book 3 half 1.1 s SR. 10... SSR body, 20... Control circuit section, 80...
...Semiconductor main element circuit. In the drawings, the same reference numerals indicate the same or equivalent parts.
Claims (1)
素子回路及びこの半導体主素子回路を異常高電圧から保
護するアブソーバ回路を有するソリッドステートリレ一
本体と、このソリッドステートリレ一本体と着脱自在に
設けられ上記半導体主素子回路を外部からの制御信号に
応してオン、オフ制御する制御回路部とを備えたことを
特徴とする３相ソリツドステートリレー。(1) A solid-state relay body having a semiconductor main element circuit that discards the supply of three-phase AC power to a load and an absorber circuit that protects this semiconductor main element circuit from abnormally high voltage, and this solid-state relay body. A three-phase solid state relay comprising: and a control circuit section which is detachably provided and controls the semiconductor main element circuit on and off in response to an external control signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15192683A JPS6042932A (en) | 1983-08-19 | 1983-08-19 | Three-phase solid-state relay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15192683A JPS6042932A (en) | 1983-08-19 | 1983-08-19 | Three-phase solid-state relay |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6042932A true JPS6042932A (en) | 1985-03-07 |
| JPH0526367B2 JPH0526367B2 (en) | 1993-04-15 |
Family
ID=15529215
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15192683A Granted JPS6042932A (en) | 1983-08-19 | 1983-08-19 | Three-phase solid-state relay |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6042932A (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS527140A (en) * | 1975-07-07 | 1977-01-20 | Nippon Solid Co Ltd | Method of reclamation |
-
1983
- 1983-08-19 JP JP15192683A patent/JPS6042932A/en active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS527140A (en) * | 1975-07-07 | 1977-01-20 | Nippon Solid Co Ltd | Method of reclamation |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0526367B2 (en) | 1993-04-15 |
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