JPH0454464Y2 - - Google Patents
Info
- Publication number
- JPH0454464Y2 JPH0454464Y2 JP10081790U JP10081790U JPH0454464Y2 JP H0454464 Y2 JPH0454464 Y2 JP H0454464Y2 JP 10081790 U JP10081790 U JP 10081790U JP 10081790 U JP10081790 U JP 10081790U JP H0454464 Y2 JPH0454464 Y2 JP H0454464Y2
- Authority
- JP
- Japan
- Prior art keywords
- power supply
- load
- supply side
- phase
- phase rotation
- 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
- 238000001514 detection method Methods 0.000 claims description 20
- 230000016507 interphase Effects 0.000 claims description 4
- 239000000758 substrate Substances 0.000 description 6
- 239000004020 conductor Substances 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 238000000819 phase cycle Methods 0.000 description 1
Landscapes
- Emergency Protection Circuit Devices (AREA)
Description
【考案の詳細な説明】
産業上の利用分野
本考案は相回転検出装置、詳しくは多相交流電
源と負荷機器との間の誤接続を防止するための相
回転検出装置に関する。[Detailed Description of the Invention] Industrial Application Field The present invention relates to a phase rotation detection device, and more particularly to a phase rotation detection device for preventing erroneous connections between a multiphase AC power source and a load device.
従来の技術とその問題点
従来、多相交流の相回転を検出する装置は、幾
つかのものが提案されている。しかし従来の相回
転検出装置は、負荷機器と切り離された構成であ
るため、負荷機器の入力端子にケーブル等により
接続する必要があつて、これを錯誤なしに順相接
続し得る保証はない。BACKGROUND ART AND PROBLEMS Conventionally, several devices have been proposed for detecting phase rotation of multiphase alternating current. However, since the conventional phase rotation detection device is configured to be separated from the load equipment, it is necessary to connect it to the input terminal of the load equipment using a cable or the like, and there is no guarantee that the normal phase connection can be made without error.
考案が解決しようとする課題
考案が解決しようとする課題点は、上記従来技
術による前示問題点である。Problems to be solved by the invention The problems to be solved by the invention are the aforementioned problems of the prior art.
即ち、本考案の目的は、負荷機器の入力端子に
対し、錯誤なしに順相接続することを保証する相
回転検出装置を旨く開発するにある。 That is, an object of the present invention is to successfully develop a phase rotation detection device that guarantees normal phase connection to the input terminal of a load device without error.
問題点を解決するための手段
上記目的を達成するために、本考案は次の構成
をとつている。Means for Solving the Problems In order to achieve the above object, the present invention has the following configuration.
即ち、本考案は絶縁性基板に、多相交流電源側
配線に接続される電源側端子、負荷機器側配線に
接続される、且つ前記電源側端子と二相以上が相
間スイツチ接続型、残る相間が固定的接続になつ
た負荷側端子、前記電源側端子に入力側を接続さ
れた相回転検出回路、及び該回路の出力側に接続
された相回転方向表示器が装備された且つ負荷機
器の端子箱内に設置型の相回転検出装置であつ
て、前記電源側端子及び負荷側端子の二相以上の
相間を接続するスイツチが設けられている相回転
検出装置に係る。 That is, the present invention has an insulating substrate, a power supply side terminal connected to the multiphase AC power supply side wiring, a power supply side terminal connected to the load equipment side wiring, and two or more phases connected to the power supply side terminal with a phase-to-phase switch connection type, and the remaining phase is equipped with a load side terminal which is fixedly connected, a phase rotation detection circuit whose input side is connected to the power supply side terminal, and a phase rotation direction indicator connected to the output side of the circuit, and which is a load equipment. The present invention relates to a phase rotation detection device that is installed in a terminal box and is provided with a switch that connects two or more phases of the power supply side terminal and the load side terminal.
実施例
次に本考案の実施態様例を示す添付図面を参照
して、本考案を説明する。図示の本考案装置の実
施態様例は、三相交流電源に三相負荷機器、例え
ば三相交流電動機を接続する場合についてのもの
である。EXAMPLES The present invention will now be described with reference to the accompanying drawings, which illustrate example embodiments of the present invention. The illustrated embodiment of the device of the present invention is for a case where a three-phase load device, such as a three-phase AC motor, is connected to a three-phase AC power source.
本考案の一実施例を示す第１Ａ図（平面図）及
び第１Ｂ図（正面図）において、参照符号１が相
回転検出装置を示している。装置１は、負荷機器
（図面せず）の端子箱（図示せず）内に設けられ
るようになつている。装置１は絶縁性基板４を有
し、該基板４上面の一側端側に電源側端子S1，
S2，S3が、他側端側に負荷側端子L1，L2，L3が
配置されている。基板４に開孔７付きの二つの脚
５が設けられており、この脚５での取り付けによ
り、装置１全体は負荷機器の端子箱内に設けるこ
とができるようになつている。基板４の二つの脚
５，５間の空間に回路基板３が配設され、該基板
３に第２図に示す相回転検出回路２が装備されて
いる。 In FIG. 1A (plan view) and FIG. 1B (front view) showing an embodiment of the present invention, reference numeral 1 indicates a phase rotation detection device. The device 1 is adapted to be installed in a terminal box (not shown) of a load device (not shown). The device 1 has an insulating substrate 4, and a power supply side terminal S 1 , on one end of the upper surface of the substrate 4.
S 2 and S 3 are arranged, and load side terminals L 1 , L 2 and L 3 are arranged on the other end side. Two legs 5 with openings 7 are provided on the substrate 4, and by mounting with these legs 5, the entire device 1 can be installed in a terminal box of a load device. A circuit board 3 is disposed in the space between the two legs 5, 5 of the board 4, and the circuit board 3 is equipped with a phase rotation detection circuit 2 shown in FIG.
第２図において、R1，R2，R3，R4，R5は抵
抗、Ｃはコンデンサ、Ｄはダイオードブリツジ、
ZDはツエナダイオードである。回路２の入力端
は、装置１の電源側端子S1，S2，S3に接続されて
いる。回路２の出力端に、基板４上面に備えられ
た相回転方向表示器、例えば発光ダイオード
（LED）が接続されている。相回転検出回路２の
構成及び作動それ自体は、従来と変りがなく、端
子S1，S2，S3に相順通り三相交流が印加される
と、発光ダイオード（LED）が発光して、順相
であることが表示される。相回転方向表示器は、
音による表示型のものも有利に適用できる。 In Figure 2, R 1 , R 2 , R 3 , R 4 , R 5 are resistors, C is a capacitor, D is a diode bridge,
ZD is a zener diode. The input end of the circuit 2 is connected to the power supply side terminals S 1 , S 2 , and S 3 of the device 1 . A phase rotation direction indicator, for example a light emitting diode (LED), provided on the top surface of the substrate 4 is connected to the output end of the circuit 2. The configuration and operation of the phase rotation detection circuit 2 are the same as before. When three-phase alternating current is applied to terminals S 1 , S 2 , and S 3 in phase order, a light emitting diode (LED) emits light. , it is shown that the phase is normal. The phase rotation direction indicator is
Sound display types can also be advantageously applied.
三相負荷機器の端子箱内に設けられた装置１の
負荷側端子L1，L2，L3には、該負荷機器主回路
の三本の配線がそれぞれ相順通り接続される。こ
の接続は、装置１の使用を合目的ならしめるため
に、負荷機器製造時に負荷機器メーカによつて、
所要の相順に既成的になされていることが好まし
い。 Three wires of the main circuit of the load device are connected in phase order to the load side terminals L 1 , L 2 , L 3 of the device 1 provided in the terminal box of the three-phase load device. This connection is made by the load device manufacturer at the time of manufacturing the load device in order to make the device 1 suitable for use.
Preferably, the required phase sequence is prefabricated.
電源側端子S1，S2，S3及び負荷側端子L1，L2，
L3のうちの一相の端子、例えばS3とL3が導体C3
により接続されている。 Power supply side terminals S 1 , S 2 , S 3 and load side terminals L 1 , L 2 ,
Terminals of one phase of L 3 , e.g. S 3 and L 3 are conductors C 3
connected by.
装置１の基板４には、残る相の電源側端子S1，
S2に導体C1，C2により接続された中間端子１３
ａ，１３ｂ、及び該中間端子１３ａ，１３ｂと負
荷側端子L1，L2を相間スイツチ接続するスイツ
チタ１１，１２が装備されている。スイツチ１
１，１２は、第１Ａ図矢符方向へスライドし得る
スライド型になつており、中間端子１３ａ及び１
３ｂはビス型になつている。スイツチ１１，１２
は絶縁体１４によつて右端を結合され、一体的に
スライドするようになつている。 On the board 4 of the device 1, the remaining phase power supply side terminals S 1 ,
Intermediate terminal 13 connected to S 2 by conductors C 1 and C 2
a, 13b, and switch transistors 11, 12 for connecting the intermediate terminals 13a, 13b and the load side terminals L1 , L2 as interphase switches. switch 1
1 and 12 are of a sliding type that can slide in the direction of the arrow in FIG. 1A, and intermediate terminals 13a and 1
3b is a screw type. switch 11, 12
are connected at their right ends by an insulator 14 so that they can slide together.
相回転確認は、第１Ａ図に示すように、スイツ
チ１１，１２を負荷側端子と開いた状態つまり電
源側端子S1，S2と負荷側端子L1，L2が相間非接
続状態下で行われる。 To check the phase rotation, as shown in Figure 1A, the switches 11 and 12 are open to the load side terminals, that is, the power supply side terminals S 1 and S 2 and the load side terminals L 1 and L 2 are disconnected between the phases. It will be done.
電源側の各相配線を電源側端子S1，S2，S3のそ
れぞれに接続し、電源側の開閉器を閉じる。この
接続が順相であるか否かを相回転検出回路２の発
光ダイオードLEDの作動で確認し、順相でない
場合には、配線を順相となるようやり直す。電源
回路の接続が順相であることが確認されると、電
源側の開閉器を開き、ビスである中間端子１３
ａ，１３ｂを緩め、スイツチ１１，１２を第１Ａ
図の矢符方へスライドさせて、負荷側端子L1，
L2と接続、つまり電源側端子S1，S2と負荷側端
子L1，L2を相間接続する。 Connect each phase wiring on the power supply side to each of the power supply side terminals S 1 , S 2 , and S 3 and close the switch on the power supply side. Whether or not this connection is in normal phase is confirmed by the operation of the light emitting diode LED of the phase rotation detection circuit 2, and if it is not in normal phase, the wiring is redone so that it is in normal phase. When it is confirmed that the connection of the power supply circuit is in normal phase, open the switch on the power supply side and connect the intermediate terminal 13, which is a screw.
Loosen a and 13b and set switches 11 and 12 to 1A.
Slide it in the direction of the arrow in the figure to connect the load side terminal L 1 ,
Connect with L 2 , that is, connect the power supply side terminals S 1 and S 2 and the load side terminals L 1 and L 2 between phases.
かくて、本考案では負荷機器の入力端子、つま
りL1，L2，L3に対し、相回転検出装置１を錯誤
なしに順相接続することを保証する。 Thus, the present invention guarantees that the phase rotation detection device 1 can be connected in normal phase to the input terminals of the load equipment, that is, L 1 , L 2 , and L 3 without error.
即ち、相回転検出装置の電源側端子及び負荷側
端子のそれぞれ所定の相が相間スイツチ接続型、
固定的接続になつている、及びこれら両側端子の
所定相を相間接続するスイツチが装置に設けられ
ている構成の下、該スイツチの閉合を以て、これ
等両側端子の所要の相のもの同士を間違わずに接
続できるし、相回転検出装置が負荷機器の端子箱
内に設置型になつているから、該装置の負荷側端
子をして、例えば負荷機器製造時、そのメーカに
よつて負荷機器主回路の各相配線と相順通りに接
続するというように、順相接続の既成化を旨く図
れる。 That is, each predetermined phase of the power supply side terminal and load side terminal of the phase rotation detection device is of the interphase switch connection type,
If the device is connected in a fixed manner and is equipped with a switch that connects the specified phases of the terminals on both sides, closing the switch will prevent the terminals on both sides from connecting the required phases to each other. Since the phase rotation detection device is installed in the terminal box of the load device, the load side terminal of the device can be connected to the load device, for example, when manufacturing the load device. By connecting each phase wiring of the circuit in the phase order, it is possible to successfully establish a normal phase connection.
本考案の実施の他例が第３Ａ図（平面図）及び
第３Ｂ図（正面図）に示されている。第３Ａ図、
第３Ｂ図において、第１Ａ図、第１Ｂ図と同符号
は同部分を示している。この実施例のものは、電
源側端子と負荷側端子の所定相を相間接続するス
イツチがナイフスイツチとされている点を除き、
第１Ａ図、第１Ｂ図の実施例のものと構成が実質
的に同じである。ナイフスイツチには符号３０が
付されている。スイツチ３０の固定側部材３２
ａ，３２ｂは電源側端子S1，S2に導体C1，C2に
より接続されており、可動側部材３１ａ，３１ｂ
は負荷側端子L1，L2に導体C1′，C2′により接続
されている。 Another example of implementing the invention is shown in Figures 3A (top view) and 3B (front view). Figure 3A,
In FIG. 3B, the same reference numerals as in FIGS. 1A and 1B indicate the same parts. This embodiment has the following features: except that the switch that connects the predetermined phases of the power supply side terminal and load side terminal is a knife switch.
The structure is substantially the same as that of the embodiment shown in FIGS. 1A and 1B. The knife switch is designated by the reference numeral 30. Fixed side member 32 of switch 30
a and 32b are connected to power supply side terminals S 1 and S 2 by conductors C 1 and C 2 , and movable side members 31a and 31b
are connected to load side terminals L 1 and L 2 by conductors C 1 ′ and C 2 ′.
本考案の更に他の実施例が第４Ａ図（平面図）
及び第４Ｂ図（正面図）に示されている。第４Ａ
図、第４Ｂ図において、第１Ａ図、第１Ｂ図と同
符号は同部分を示している。この実施例のもの
は、電源側端子S1，S2，S3及び負荷側端子L1，
L2，L3を全相、相間スイツチ接続型とした点、
及びこれ等両側端子を相間接続するスイツチがビ
ス締め接続型とされている点を除き、第１Ａ図、
第１Ｂ図の実施例のものと構成が実質的に同じで
ある。ビス締め接続型スイツチには符号６１が付
されている。スイツチ６１は、第４ｃ図（平面
図）に示すように、電源側端子S1，S2，S3に導体
C1，C2，C3により接続されたビス型中間端子T1，
T2，T3に接続可能な形状の端子６１ｃ，６１ｃ，
６１ｃ及び負荷機器の配線Ｒ，Ｓ，Ｔが圧着等に
より既成的に接続された負荷側端子L1，L2，L3
を有する。またスイツチ６１は、その一端側寄り
の下面から下方へ突出する突起６１ａが形成さ
れ、基板４の左方定位置に設けられた溝６１ｂ
に、前記突起６１ａを嵌合することにより、スイ
ツチ接続が所定の相についてなされるよう規制さ
れる。 Still another embodiment of the present invention is shown in FIG. 4A (plan view).
and FIG. 4B (front view). 4th A
4B, the same reference numerals as in FIGS. 1A and 1B indicate the same parts. This example has power supply side terminals S 1 , S 2 , S 3 and load side terminals L 1 ,
L 2 and L 3 are all phase, interphase switch connection type,
Figure 1A, except that the switch that connects these terminals on both sides is of the screw connection type.
The structure is substantially the same as that of the embodiment of FIG. 1B. The screw connection type switch is designated by the reference numeral 61. The switch 61 has conductors connected to the power supply side terminals S 1 , S 2 , and S 3 as shown in FIG. 4c (plan view).
Screw type intermediate terminal T 1 connected by C 1 , C 2 , C 3 ,
Terminals 61c, 61c, which can be connected to T 2 , T 3
61c and the load equipment wiring R, S, T are connected to the load side terminals L 1 , L 2 , L 3 by crimping or the like.
has. Further, the switch 61 has a protrusion 61a projecting downward from the lower surface near one end thereof, and a groove 61b provided at a fixed position on the left side of the board 4.
By fitting the protrusion 61a, the switch connection is restricted to a predetermined phase.
以上に述べたところから明らかなように、第３
Ａ図及び第３Ｂ図の実施例のもの、並びに第４Ａ
図及び第４Ｂ図の実施例のものも、第１Ａ、同Ｂ
図の実施例と同様な順相接続を得ることを保証す
る。 As is clear from the above, the third
The embodiments of Figures A and 3B, and Figure 4A
The embodiments shown in Figures 1A and 4B are also
It is ensured that a normal phase connection similar to the illustrated embodiment is obtained.
考案の効果
上記のように本考案によれば、負荷機器の入力
端子に対し、錯誤なしに順相接続することを保証
する相回転検出装置の開発が旨く体現できる。Effects of the Invention As described above, according to the present invention, it is possible to successfully develop a phase rotation detection device that guarantees normal phase connection to the input terminal of a load device without error.
第１Ａ図は本考案の一実施例を示す平面図、第
１Ｂ図はその正面図、第２図はそれにおける相回
転検出回路の回路図である。第３Ａ図は本考案の
実施の他例を示す平面図、第３Ｂ図はその正面図
である。第４Ａ図は本考案の更に他の実施例を示
す平面図、第４Ｂ図はその正面図、第４Ｃ図はそ
れにおけるスイツチの平面図、第４Ｄ図は第４Ｃ
図の右側面図である。
S1，S2，S3……電源側端子、L1，L2，L3……
負荷側端子、LED……相回転方向表示器として
の発光ダイオード、１……相回転検出装置、２…
…相回転検出回路、４……絶縁性基板、１１，１
２，３０，６１……スイツチ。
FIG. 1A is a plan view showing an embodiment of the present invention, FIG. 1B is a front view thereof, and FIG. 2 is a circuit diagram of a phase rotation detection circuit therein. FIG. 3A is a plan view showing another embodiment of the present invention, and FIG. 3B is a front view thereof. Fig. 4A is a plan view showing still another embodiment of the present invention, Fig. 4B is a front view thereof, Fig. 4C is a plan view of a switch therein, and Fig. 4D is a plan view of a switch in the switch.
FIG. 3 is a right side view of the figure. S 1 , S 2 , S 3 ... Power supply side terminal, L 1 , L 2 , L 3 ...
Load side terminal, LED...Light emitting diode as a phase rotation direction indicator, 1...Phase rotation detection device, 2...
...Phase rotation detection circuit, 4...Insulating substrate, 11,1
2, 30, 61...switch.
Claims (1)
る電源側端子、負荷機器側配線に接続される、且
つ前記電源側端子と二相以上が相間スイツチ接続
型、残る相間が固定的接続になつた負荷側端子、
前記電源側端子に入力側を接続された相回転検出
回路、及び該回路の出力側に接続された相回転方
向表示器が装備された且つ負荷機器の端子箱内に
設置型の相回転検出装置であつて、前記電源側端
子及び負荷側端子の二相以上の相間を接続するス
イツチが設けられている相回転検出装置。 The insulating board has a power supply side terminal connected to the multiphase AC power supply side wiring, a power supply side terminal connected to the load equipment side wiring, and two or more phases with the power supply side terminal are interphase switch connection type, and the remaining phases are fixed connection type. Long load side terminal,
A phase rotation detection device installed in a terminal box of a load device, which is equipped with a phase rotation detection circuit whose input side is connected to the power supply side terminal, and a phase rotation direction indicator connected to the output side of the circuit. A phase rotation detection device comprising a switch for connecting two or more phases of the power supply side terminal and the load side terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10081790U JPH0454464Y2 (en) | 1990-09-25 | 1990-09-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10081790U JPH0454464Y2 (en) | 1990-09-25 | 1990-09-25 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0355575U JPH0355575U (en) | 1991-05-29 |
| JPH0454464Y2 true JPH0454464Y2 (en) | 1992-12-21 |
Family
ID=31649801
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10081790U Expired JPH0454464Y2 (en) | 1990-09-25 | 1990-09-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0454464Y2 (en) |
-
1990
- 1990-09-25 JP JP10081790U patent/JPH0454464Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0355575U (en) | 1991-05-29 |
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