JPH0726788U - Rotating electric machine winding defect detection device - Google Patents
Rotating electric machine winding defect detection deviceInfo
- Publication number
- JPH0726788U JPH0726788U JP5752593U JP5752593U JPH0726788U JP H0726788 U JPH0726788 U JP H0726788U JP 5752593 U JP5752593 U JP 5752593U JP 5752593 U JP5752593 U JP 5752593U JP H0726788 U JPH0726788 U JP H0726788U
- Authority
- JP
- Japan
- Prior art keywords
- electric machine
- rotating electric
- voltage power
- power source
- winding
- 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
Landscapes
- Manufacture Of Motors, Generators (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Abstract
(57)【要約】
【目的】 回転電機の巻線の表面におけるピンホ−ル，
傷等の欠陥部を安全，的確に，検出すること。
【構成】 低電圧電源１，この低電圧電源１の一方側の
電路１ａに接続した電流計等の検出手段２及び低電圧電
源１の他方側の電路１ｂに接続した電極用ブラシ４を備
え，上記検出手段２の出力端子を当該回転電機の口出し
線に接続し，上記電極用ブラシ４を回転電機のコイルエ
ンド表面を摺動させることにより上記検出手段２により
回転電機巻線の欠陥部を検出するように構成した。
(57) [Abstract] [Purpose] Pinholes on the surface of windings of rotating electrical machines,
Detect defects such as scratches safely and accurately. A low voltage power source 1, a detection means 2 such as an ammeter connected to the electric line 1a on one side of the low voltage power source 1, and an electrode brush 4 connected to the electric line 1b on the other side of the low voltage power source 1, The output terminal of the detecting means 2 is connected to the lead wire of the rotating electric machine, and the electrode brush 4 is slid on the coil end surface of the rotating electric machine to detect the defective portion of the rotating electric machine winding by the detecting means 2. Configured to do so.
Description
【０００１】[0001]
本考案は電動機等の回転電機の巻線の表面におけるピンホ−ル，傷等の欠陥部 を検出する回転電機巻線の欠陥部検出装置の改良に関する。 The present invention relates to an improvement in a defective portion detecting device for a rotating electric machine winding, which detects a defective portion such as a pinhole or a scratch on the surface of the winding of a rotating electric machine such as an electric motor.
【０００２】[0002]
電動機等の回転電機の製造工程において，固定子巻線を構成するマグネットワ イヤは，ワイヤパックから取り出され，定められた巻枠に巻かれることから始ま り，固定子完成に至るまでの間，様々な過酷なストレスを受ける。 In the manufacturing process of rotating electric machines such as electric motors, the magnet wire that composes the stator winding is taken out of the wire pack and wound on the specified winding frame until the stator is completed. Receive various severe stress.
【０００３】 即ち，この製造工程の間には，人為的，機械的要素等様々な絶縁欠陥を引き起 こす要素を含んでいる。That is, during the manufacturing process, various elements such as artificial and mechanical elements that cause insulation defects are included.
【０００４】 そこで，従来は，製造後の回転電機巻線を，まず，目視にて絶縁欠陥部の有無 を検査の上，修正できるものは修正し，また，修正できないものは不良品として 扱うようにしている。Therefore, conventionally, the rotating electric machine winding after manufacturing is first visually inspected for the presence or absence of an insulation defect, and those that can be corrected are corrected, and those that cannot be treated are regarded as defective. I have to.
【０００５】 また，目視にて確認の困難な微細な欠陥部を発見するために，水試験による検 査方法も実施されている。In addition, an inspection method by a water test is also carried out in order to find a minute defect portion that is difficult to visually confirm.
【０００６】 さらに，別の方法としては，特開昭６３−２５３８３８号公報に示すように， 直流５００Ｖ以上の高電圧を電源とし，電極用ブラシをコイル表面に這わせ絶縁 抵抗により欠陥部を検出する方法も行われている。Further, as another method, as shown in JP-A-63-253838, a high voltage of DC 500 V or more is used as a power source, an electrode brush is laid on the coil surface, and a defective portion is detected by an insulation resistance. The method to do is also done.
【０００７】[0007]
ところで，目視による方法による場合は，目視にて確認が困難な微細なピンホ −ルや傷等の絶縁欠陥部は，そのまま見過ごされ，正常な製品として市場へ出て しまうため，多大な損傷事故を招く恐れがあるという問題点があった。 By the way, when using the visual method, minute pinholes and insulation defects such as scratches, which are difficult to visually confirm, are overlooked as they are and are put on the market as normal products. There was a problem that it might invite.
【０００８】 また，水試験による方法の場合には，試験後の製品は絶縁不良の点で廃棄せざ るを得なくなるためサンプル品の検査に限られるという欠点があった。In addition, the method using the water test has a drawback that the product after the test is limited to the inspection of the sample product because it is unavoidable to be discarded due to the insulation failure.
【０００９】 また，高電圧を電源に接続された電極用ブラシを用いる方法の場合には，電源 が高電圧であるため，作業中に作業員に危険を及ぼす恐れがあった。Further, in the case of the method of using the electrode brush connected to the power source of high voltage, the power source has a high voltage, which may pose a danger to the worker during the work.
【００１０】 本考案は，従来のものの上記課題（問題点）を解決し，作業時における人体へ の影響を軽減させ，かつ，検査後の製品を廃棄させることなく電動機巻線表面上 の微細なピンホ−ルや傷等の絶縁欠陥部を発見することのできる回転電機巻線の 欠陥部検出装置を提供することを目的とする。The present invention solves the above-mentioned problems (problems) of the conventional one, reduces the influence on the human body at the time of work, and eliminates the need for discarding the product after the inspection so that the fine winding on the surface of the motor winding can be avoided. An object of the present invention is to provide a defect detecting device for a rotating electric machine winding capable of finding an insulating defect such as a pinhole or a scratch.
【００１１】[0011]
本考案の回転電機巻線の欠陥部検出装置は，上記課題を解決するために，低電 圧電源，この低電圧電源の一方側の電路に接続した電流計等の検出手段及び前記 低電圧電源の他方側の電路に接続した電極用ブラシを備え，上記検出手段の出力 端子を当該回転電機の口出し線に接続し，上記電極用ブラシを回転電機のコイル エンド表面を摺動させることにより上記検出手段により回転電機巻線の欠陥部を 検出するように構成した。 SUMMARY OF THE INVENTION In order to solve the above problems, a rotating electric machine winding defect detecting device of the present invention comprises a low voltage power supply, a detecting means such as an ammeter connected to one side of the low voltage power supply, and the low voltage power supply. Is connected to the electric path on the other side of the rotating electric machine, the output terminal of the detecting means is connected to the lead wire of the rotating electric machine, and the electrode brush is slid on the coil end surface of the rotating electric machine to detect the above. It is configured to detect a defective portion of the rotating electric machine winding by means.
【００１２】[0012]
直流５０Ｖ以下の低電圧の電源を用い，電源端子の一方を回転電機口出し線へ 接続し，もう一方を電極用ブラシを介して回転電機コイルエンド上に這わせ，そ の回路上に流れる微小電流を電流計で検出するものであるから，回転電機巻線の 表面に傷をつけることがない。 Using a low-voltage power supply of DC 50V or less, connect one of the power supply terminals to the lead wire of the rotary electric machine, and crawl the other end to the coil end of the rotary electric machine through the electrode brush, and the minute current that flows on the circuit. Since it is detected by an ammeter, the surface of the rotating electric machine winding is not scratched.
【００１３】 また，供試用の回転電機の固定子を不良品として廃棄することがない。また， 微細な傷やピンホ−ルを発見することができ，かつ，作業員の人体に影響の少な い回転電機巻線欠陥検査が可能となる。Further, the stator of the rotating electric machine under test is not discarded as a defective product. In addition, it is possible to detect minute scratches and pinholes, and it is possible to perform winding defect inspection of rotating electrical machines that has little effect on the human body of workers.
【００１４】 また，ブザ−と連動させることにより，より検査が行い易くなる。Further, by interlocking with the buzzer, the inspection becomes easier.
【００１５】[0015]
以下図１及び図２に示す一実施例により本考案を具体的に説明する。 Hereinafter, the present invention will be described in detail with reference to an embodiment shown in FIGS.
【００１６】 図１において，１はたとえば１２Ｖの直流電源等の５０Ｖ以下の低電圧の直流 電源，２はｍＡオ−ダの微小電流を計測する電流計で，電源１の一方の電路１ａ に接続される。３はこの電流計２に並列に接続されたブザ−である。In FIG. 1, reference numeral 1 is a low-voltage direct current power source of 50 V or less such as 12 V direct current power source, and 2 is an ammeter for measuring a minute current of mA order, which is connected to one electric path 1 a of the power source 1. To be done. Reference numeral 3 is a buzzer connected in parallel with the ammeter 2.
【００１７】 電流計２の出力側に当たる電源１の電路１ａ側の端子１ｔ1は，検査対象の回 転電機の口出し線に鰐口クリップ等（図示せず）で接続される。The terminal 1t 1 on the side of the electric path 1a of the power source 1 which corresponds to the output side of the ammeter 2 is connected to the lead wire of the rotary electric machine to be inspected by a crocodile clip or the like (not shown).
【００１８】 ４は電極用ブラシで，これはブラシケ−ス４ａ内に導電性材料より成るブラシ ４ｂを収納し，入力端子４ｃを引き出して構成される。Reference numeral 4 denotes an electrode brush, which is configured by accommodating a brush 4b made of a conductive material in a brush case 4a and drawing out an input terminal 4c.
【００１９】 なお，電極用ブラシ４の入力端子４ｃは，電源１の他方の電路１ｂ側の端子１ ｔ2に接続される。The input terminal 4c of the electrode brush 4 is connected to the terminal 1 t 2 on the other electric path 1b side of the power source 1.
【００２０】 以上の構成において，図２に示すように回転電機５の口出し線（図示せず）に 電源１の一方の端子を接続し，固定子巻線６のコイルエンド６ａ上を電極用ブラ シ４を這わせるように摺動すると，その回路上に流れる微小電流が電流計２に表 示されるから，この電流計２の表示値によって巻線の微細な傷や，ピンホ−ル等 の欠陥部の検査を的確に行うことができる。In the above configuration, as shown in FIG. 2, one terminal of the power supply 1 is connected to the lead wire (not shown) of the rotary electric machine 5 and the coil end 6 a of the stator winding 6 is connected to the electrode bra. When sliding so as to crawl the wire 4, a minute current that flows on the circuit is displayed on the ammeter 2. Therefore, depending on the value displayed on the ammeter 2, the winding may have fine scratches or pinholes or other defects. The parts can be inspected accurately.
【００２１】 なお，本実施例のようにブザ−３を電流計２に並列に接続しておけば，巻線に 欠陥部があったときに流れる電流の端子電圧を利用してブザ−３を作動させるこ とができるから，このブザ−３の警報音によって欠陥部の発見を容易とすること ができる。If the buzzer-3 is connected in parallel to the ammeter 2 as in this embodiment, the buzzer-3 is connected by using the terminal voltage of the current flowing when the winding has a defective portion. Since it can be activated, the alarm sound of this buzzer-3 makes it easy to find the defect.
【００２２】[0022]
本考案の回転電機巻線の欠陥部検出装置は，上記のように低電圧電源とこの電 源の一方側に接続した電流計またはブザ−等の検出手段と前記電源の他方側に接 続した電極用ブラシを備えて構成されるから，次のような優れた効果を有する。 検査対象の回転電機の巻線を何等損傷させることなく，ピンホ−ル等の欠陥部 を電流値またはブザ−音によって的確に検出できる。 この検査の際に通電する電流はｍＡオ−ダの微小電流であるから，検査員に危 険を及ぼす恐れはなくなった。 As described above, the apparatus for detecting a defective portion of the rotating electric machine winding of the present invention is connected to the low-voltage power source and a detecting means such as an ammeter or a buzzer connected to one side of the power source and the other side of the power source. Since it is configured with the electrode brush, it has the following excellent effects. Defects such as pinholes can be accurately detected by the current value or buzzer sound without damaging the winding of the rotating electrical machine under inspection. Since the current applied during this inspection is a very small current of mA order, there is no risk of injuring the inspector.
【図面の簡単な説明】[Brief description of drawings]
【図１】本考案の一実施例を示す接続図である。FIG. 1 is a connection diagram showing an embodiment of the present invention.
【図２】本考案の装置の使用状態を示す平面図である。FIG. 2 is a plan view showing a usage state of the device of the present invention.
１：低電圧電源 １ａ：電源の一方側の電路 １ｂ：電源の他方側の電路 ２：電流計 ３：ブザ− ４：電極用ブラシ 1: Low-voltage power supply 1a: Electric circuit on one side of the power supply 1b: Electric circuit on the other side of the power supply 2: Ammeter 3: Buzzer 4: Brush for electrode
Claims (1)
電路に接続した電流計等の検出手段及び前記低電圧電源
の他方側の電路に接続した電極用ブラシを備え，上記検
出手段の出力端子を当該回転電機の口出し線に接続し，
上記電極用ブラシを回転電機のコイルエンド表面を摺動
させることにより上記検出手段により回転電機巻線の欠
陥部を検出するようにしたことを特徴とする回転電機巻
線の欠陥部検出装置。1. A low-voltage power supply, a detection means such as an ammeter connected to the electric path on one side of the low-voltage power supply, and an electrode brush connected to the electric path on the other side of the low-voltage power supply. Connect the output terminal to the lead wire of the rotating electric machine,
A defective portion detecting device for a rotating electric machine winding, wherein the detecting means detects a defective portion of the rotating electric machine winding by sliding the electrode brush on a coil end surface of the rotating electric machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5752593U JPH0726788U (en) | 1993-10-25 | 1993-10-25 | Rotating electric machine winding defect detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5752593U JPH0726788U (en) | 1993-10-25 | 1993-10-25 | Rotating electric machine winding defect detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0726788U true JPH0726788U (en) | 1995-05-19 |
Family
ID=13058166
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5752593U Pending JPH0726788U (en) | 1993-10-25 | 1993-10-25 | Rotating electric machine winding defect detection device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0726788U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015175625A (en) * | 2014-03-13 | 2015-10-05 | 三工機器株式会社 | Flaw detection device for stator coil |
| JP6353598B1 (en) * | 2017-11-27 | 2018-07-04 | 株式会社小田原エンジニアリング | Wire flaw detector |
| JP2021148548A (en) * | 2020-03-18 | 2021-09-27 | ダイハツ工業株式会社 | Motor stator insulation inspection device |
-
1993
- 1993-10-25 JP JP5752593U patent/JPH0726788U/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015175625A (en) * | 2014-03-13 | 2015-10-05 | 三工機器株式会社 | Flaw detection device for stator coil |
| JP6353598B1 (en) * | 2017-11-27 | 2018-07-04 | 株式会社小田原エンジニアリング | Wire flaw detector |
| JP2019095390A (en) * | 2017-11-27 | 2019-06-20 | 株式会社小田原エンジニアリング | Electric wire flaw detector |
| JP2021148548A (en) * | 2020-03-18 | 2021-09-27 | ダイハツ工業株式会社 | Motor stator insulation inspection device |
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