JPH0445420Y2 - - Google Patents
Info
- Publication number
- JPH0445420Y2 JPH0445420Y2 JP1985088407U JP8840785U JPH0445420Y2 JP H0445420 Y2 JPH0445420 Y2 JP H0445420Y2 JP 1985088407 U JP1985088407 U JP 1985088407U JP 8840785 U JP8840785 U JP 8840785U JP H0445420 Y2 JPH0445420 Y2 JP H0445420Y2
- Authority
- JP
- Japan
- Prior art keywords
- temperature
- sensing part
- stator winding
- temperature sensing
- mounting recess
- 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
- 238000004804 winding Methods 0.000 claims description 24
- 239000011347 resin Substances 0.000 claims description 15
- 229920005989 resin Polymers 0.000 claims description 15
- 230000002265 prevention Effects 0.000 claims description 9
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 7
- 238000001514 detection method Methods 0.000 description 5
- 238000010292 electrical insulation Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000013021 overheating Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Description
【考案の詳細な説明】
［産業上の利用分野］
この考案は温度過昇防止装置を備えた回転電動
機の感温部取付構造に関するものである。[Detailed Description of the Invention] [Industrial Field of Application] This invention relates to a structure for mounting a temperature-sensing part of a rotating electric motor equipped with an overtemperature rise prevention device.
［従来の技術］
第５図は従来の温度過昇防止装置の感温部取付
構造を示す斜視図である。[Prior Art] FIG. 5 is a perspective view showing a temperature sensing part mounting structure of a conventional overtemperature rise prevention device.
図において、１は回転電動機の固定子鉄心、２
はこの固定子鉄心１に巻かれた固定子巻線、３は
樹脂製の端子台で、固定子巻線２の側面と回転電
動機軸方向の端面とを覆つて固定子鉄心１に対し
て取付けられている。４は固定子巻線の口出線、
５は電源側のリード線で、この口出線４とリード
線５とは端子台３の側壁４箇所に内蔵した端子
（図示していない）において電気的かつ機械的に
接続されている。６は回転電動機のオーバーヒー
トを防止するための温度過昇防止装置の感温部
で、端子台３とは別に固定子鉄心１の端面に対し
て糸７により縛り付けられている。 In the figure, 1 is the stator core of the rotating motor, 2
is a stator winding wound around this stator core 1, and 3 is a resin terminal block, which is attached to the stator core 1 by covering the side surface of the stator winding 2 and the end face in the axial direction of the rotary motor. It is being 4 is the lead wire of the stator winding,
Reference numeral 5 denotes a lead wire on the power supply side, and the lead wire 4 and lead wire 5 are electrically and mechanically connected through terminals (not shown) built in at four locations on the side wall of the terminal block 3. Reference numeral 6 denotes a temperature-sensing section of a temperature rise prevention device for preventing overheating of the rotary motor, which is tied to the end surface of the stator core 1 separately from the terminal block 3 with a thread 7.
従来の感温部の取付構造は上記のように構成さ
れ、感温部６が固定子巻線２の温度を検知してお
り、そのリード線９から得られる出力によつて電
動機のオーバーヒートを防止している。 The conventional temperature-sensing unit mounting structure is configured as described above, and the temperature-sensing unit 6 detects the temperature of the stator winding 2, and the output obtained from the lead wire 9 prevents the motor from overheating. are doing.
［考案が解決しようとする問題点］
上記のように従来の感温部取付構造では、感温
部６を固定子鉄心１の端面に対して糸７で縛る必
要があつた。このような縛る動作の自動化が困難
であり、手作業に頼らざるを得ないため非常に作
業性が悪く、そのうえ、糸７の弛緩により感温部
６の固定子巻線２に対する密着度が低下しやすい
という問題点があつた。[Problems to be Solved by the Invention] As described above, in the conventional temperature sensing part mounting structure, it was necessary to tie the temperature sensing part 6 to the end surface of the stator core 1 with the thread 7. It is difficult to automate such a tying operation and it has to be done manually, resulting in very poor workability.Furthermore, the loosening of the thread 7 reduces the degree of adhesion of the temperature sensing section 6 to the stator winding 2. The problem was that it was easy to do.
実開昭59−86878号公報では、この点を改良し
たものであるが、固定子巻線の表面の温度を検知
する感温部が固定子巻線と接触する面積が少ない
ため、正確な温度検出を行なうことができない。 Utility Model Application Publication No. 59-86878 improves this point, but since the temperature sensing part that detects the temperature on the surface of the stator winding has a small contact area with the stator winding, it is difficult to accurately measure the temperature. Detection cannot be performed.
この考案はかかる問題点を解決するためになさ
れたもので、固定子巻線に対して確実にしかも作
業性がよく取付けることができ、しかも精度良く
温度検出できる感温部取付構造を得ることを目的
とする。 This idea was made to solve these problems, and aims to provide a temperature-sensing part mounting structure that can be mounted to the stator winding reliably and with good workability, and that can also detect temperature with high accuracy. purpose.
［問題点を解決するための手段］
この考案にかかる感温部の取付構造は、固定子
巻線の表面に開口部をもつ取付凹部を端子台の一
部に設け、この取付凹部内に耐熱性絶縁性を有す
る樹脂により感温部を埋め込んで固定し、感温部
と固定子巻線との間には絶縁層を介在させたもの
である。[Means for solving the problem] The mounting structure of the temperature sensing part according to this invention is such that a mounting recess with an opening on the surface of the stator winding is provided in a part of the terminal block, and a heat resistant part is installed in the mounting recess. The thermosensing section is embedded and fixed using a resin having insulating properties, and an insulating layer is interposed between the thermosensing section and the stator winding.
［作用］
この考案においては、感温部が取付凹部品内に
位置決めし、かつ、この取付凹部内に感温部を耐
熱性絶縁性を有する樹脂により埋め込んで固定す
ることにより、この取付凹部の開口部から絶縁層
を介して固定子巻線に密着するので、取付が確実
で、しかも、組立てがきわめて容易となり作業性
がよい。また、温度検出精度が良くなる。[Function] In this invention, the temperature-sensing part is positioned within the mounting recess, and the temperature-sensing part is embedded and fixed in the mounting recess with a resin having heat-resistant insulating properties. Since it comes into close contact with the stator winding from the opening through the insulating layer, the installation is reliable and the assembly is extremely easy, resulting in good workability. Furthermore, temperature detection accuracy is improved.
［実施例］
第１図はこの考案の一実施例の温度過昇防止装
置の感温部取付構造を示す斜視図である。なお、
図において、１〜６は上記従来の場合と全く同一
の構成部分を示すものである。[Embodiment] FIG. 1 is a perspective view showing a temperature sensing part mounting structure of an overtemperature rise prevention device according to an embodiment of this invention. In addition,
In the figure, numerals 1 to 6 indicate the same components as in the conventional case.
８は取付凹部であつて、端子台３の端面の一側
に、円周方向に延設させられた形で一体に形成さ
れている。この取付凹部８は第３図の要部拡大分
解図に拡大して示すように、感温部６を丁度収め
うる大きさをもつ矩形状の枠体で、その端子台３
側の側壁には感温部６のリード線９を逃げるＵ字
状の切欠き８ａが設けられており、その底部には
感温部６の下端が丁度嵌り込む開口部８ｂが穿設
されている。この開口部８ｂは端子台３を固定子
鉄心１に取付けた状態では、固定子巻線２の端面
に対向して開口する。１０は取付凹部８の裏面か
ら開口部８ｂを覆つて貼り付けられた絶縁テープ
からなる絶縁層である。感温部６はこの取付凹部
８に上方から嵌め込まれ、耐熱性と絶縁性に優れ
る樹脂を注ぎ込んでモールドする。 Reference numeral 8 denotes a mounting recess, which is integrally formed on one side of the end face of the terminal block 3 so as to extend in the circumferential direction. As shown in the enlarged exploded view of the main part in FIG.
A U-shaped notch 8a is provided on the side wall to allow the lead wire 9 of the temperature-sensing section 6 to escape, and an opening 8b into which the lower end of the temperature-sensing section 6 just fits is bored at the bottom. There is. When the terminal block 3 is attached to the stator core 1, this opening 8b opens facing the end surface of the stator winding 2. Reference numeral 10 denotes an insulating layer made of an insulating tape pasted from the back side of the mounting recess 8 to cover the opening 8b. The temperature sensing portion 6 is fitted into the mounting recess 8 from above, and is molded by pouring a resin having excellent heat resistance and insulation properties.
上記のように考案された感温部取付構造におい
ては、取付凹部８の固定子巻線２への取付けは、
端子台３の固定子鉄心１に対する取付け作業によ
り同時に完了することとなるので、あとは取付凹
部８に感温部６を嵌め込み、上方から樹脂を注い
で固めるだけで、感温部６が組付けられる。 In the temperature sensing part mounting structure devised as described above, the mounting of the mounting recess 8 to the stator winding 2 is as follows.
The installation work of the terminal block 3 to the stator core 1 is completed at the same time, so all that is left to do is to fit the temperature sensing part 6 into the mounting recess 8, pour resin from above and harden it, and the temperature sensing part 6 is assembled. It will be done.
したがつて、絶縁層１０によつて電気的絶縁を
保持し、電気的影響を受けることなく、温度検出
ができ、また、樹脂によつて密着されているので
温度検出精度を非常に良くすることができる。そ
して、組付作業は簡単でガタツキが生じにくく、
また、自動化も可能である。更に、耐熱性絶縁性
を有する樹脂により感温部６を埋め込んで固定す
るものであるから、電気的絶縁性を保持し、か
つ、電気的影響を受けることなく温度検出ができ
る。 Therefore, electrical insulation is maintained by the insulating layer 10, and temperature can be detected without being affected by electricity, and since it is closely bonded with resin, temperature detection accuracy can be very improved. I can do it. In addition, the assembly work is easy and does not cause looseness.
Automation is also possible. Furthermore, since the temperature sensing portion 6 is embedded and fixed using a heat-resistant insulating resin, electrical insulation is maintained and temperature can be detected without being affected by electricity.
また、組付状態が第１図の形状のものにおいて
は感温部６は絶縁層１０を間に挟んで固定子巻線
２の端面に接触しているので、固定子巻線２の温
度を安定して、確実にとらえることができる。 Moreover, in the assembled state shown in FIG. It can be captured stably and reliably.
第２図は感温部６の取付構造の他の実施態様を
示すもので、取付凹部８は端子台３の側壁の一側
に、円周方向に延設せられて形成したもので、取
付凹部８と端子台３とは一体につながつている。
この取付凹部８は第４図に拡大して示すように感
温部６を丁度収めうる大きさをもつ円弧状の枠体
で、その端子台３側の側壁には感温部６の２本の
リード線９を逃げるＵ字状の切欠き８ａが設けら
れており、その固定子巻線２側の側壁には感温部
６の感温部分が丁度嵌り込む上方に開いた開口部
８ｂが穿設加工されている。この開口部８ｂは端
子台３を固定子鉄心１に取付けた状態では固定子
巻線２の円筒状の側面に向つて開口する。絶縁層
１０はやはり取付凹部８の開口部８ｂを覆うよう
に内側面から取付凹部８に貼り付けられている。
感温部６は取付凹部８に上方から嵌め込まれ、前
者と同様のモールド樹脂により固められている。
この第２図に示された本考案の他の実施例によつ
ても上記実施例と同一の作業性の効果を得ること
ができる。更に、モールド樹脂により固められて
いるから、機械的強度が向上し、回転機が持つ振
動に対しても取付凹部８内から感温部が離脱する
ことがない。 FIG. 2 shows another embodiment of the mounting structure for the temperature sensing part 6. The mounting recess 8 is formed on one side of the side wall of the terminal block 3 and extends in the circumferential direction. The recess 8 and the terminal block 3 are integrally connected.
As shown in an enlarged view in FIG. 4, this mounting recess 8 is an arc-shaped frame having a size that can accommodate the temperature sensing section 6, and the two temperature sensing sections 6 are mounted on the side wall on the terminal block 3 side. A U-shaped notch 8a is provided to allow the lead wire 9 to pass through, and the stator winding 2 side wall thereof has an upwardly opening opening 8b into which the temperature-sensing portion of the temperature-sensing portion 6 just fits. Perforated. This opening 8b opens toward the cylindrical side surface of the stator winding 2 when the terminal block 3 is attached to the stator core 1. The insulating layer 10 is also attached to the mounting recess 8 from the inner surface so as to cover the opening 8b of the mounting recess 8.
The temperature sensing portion 6 is fitted into the mounting recess 8 from above and is hardened with the same molded resin as the former.
Other embodiments of the present invention shown in FIG. 2 can also provide the same workability effects as the above embodiments. Furthermore, since it is hardened with molded resin, the mechanical strength is improved, and the temperature sensing part will not come off from the mounting recess 8 even when the vibration of a rotating machine occurs.
［考案の効果］
以上説明したとおり、この考案の温度過昇防止
装置の感温部取付構造は、固定子巻線の表面に開
口部をもつ取付凹部を端子台と一体に設け、この
取付凹部内に感温部を固定し、感温部と固定子巻
線との間には絶縁層を介在させ、しかも、取付凹
部内に耐熱性絶縁性を有する樹脂により感温部を
埋め込んで固定するものであるから、絶縁層によ
つて電気的絶縁を保持し、電気的影響を受けるこ
となく、温度検出ができ、また、樹脂によつて密
着されているので温度検出精度を非常に良くする
ことができる。しかも、取付凹部内に感温部を耐
熱性絶縁性を有する樹脂で埋め込んで固定するも
のであるから、固定子巻線の温度が絶縁層及び耐
熱性絶縁性を有する樹脂を介して固定子巻線に密
着するので、温度検出精度が良くなる。更に、感
温部を耐熱性絶縁性を有する樹脂で埋め込んで固
定するものであるから、機械的強度が向上し、回
転機が持つ振動に対しても取付凹部内から感温部
が離脱することがない。[Effects of the invention] As explained above, the temperature sensing part mounting structure of the overtemperature rise prevention device of this invention is such that a mounting recess with an opening is provided on the surface of the stator winding integrally with the terminal block. The temperature-sensing part is fixed within the stator, an insulating layer is interposed between the temperature-sensing part and the stator winding, and the temperature-sensing part is embedded and fixed in the mounting recess with a heat-resistant insulating resin. Because it is a material, it maintains electrical insulation with an insulating layer and can detect temperature without being affected by electricity, and since it is tightly bonded with resin, temperature detection accuracy is very high. I can do it. Moreover, since the temperature-sensing part is embedded and fixed in the mounting recess with a heat-resistant insulating resin, the temperature of the stator winding is controlled by the temperature of the stator winding through the insulating layer and the heat-resistant insulating resin. Since it is in close contact with the wire, temperature detection accuracy is improved. Furthermore, since the temperature-sensing part is embedded and fixed with heat-resistant insulating resin, the mechanical strength is improved, and the temperature-sensing part can be easily detached from the mounting recess even when the vibrations of rotating machines occur. There is no.
第１図はこの考案の一実施例の温度過昇防止装
置の感温部取付構造を示す斜視図、第２図はこの
考案の他の実施例の温度過昇防止装置の感温部取
付構造を示す斜視図、第３図は第１図の実施例の
拡大分解斜視図、第４図は第２図の実施例の要部
の拡大分解斜視図、第５図は従来の温度過昇防止
装置の感温部取付構造を示す要部の斜視図であ
る。
図において、１……固定子鉄心、２……固定子
巻線、３……端子台、６……感温部、８……取付
凹部、８ｂ……開口部、１０……絶縁層である。
なお、図中、同一符号及び同一記号は、同一また
は相当部分を示す。
Fig. 1 is a perspective view showing the mounting structure of the temperature sensing part of the overtemperature rise prevention device according to one embodiment of this invention, and Fig. 2 is the mounting structure of the temperature sensing part of the overtemperature rise prevention device according to another embodiment of this invention. Fig. 3 is an enlarged exploded perspective view of the embodiment shown in Fig. 1, Fig. 4 is an enlarged exploded perspective view of the main part of the embodiment shown in Fig. 2, and Fig. 5 is a conventional overheat prevention method. FIG. 2 is a perspective view of the main parts showing the temperature-sensing part mounting structure of the device. In the figure, 1... Stator core, 2... Stator winding, 3... Terminal block, 6... Temperature sensing part, 8... Mounting recess, 8b... Opening, 10... Insulating layer. .
In addition, in the figures, the same reference numerals and symbols indicate the same or equivalent parts.
Claims (1)
形成した固定子巻線の表面側に開口部をもつ取付
凹部と、この取付凹部内に固定されて固定子巻線
の表面の温度を検知する感温部と、この感温部と
固定子巻線との間に介在して両者を電気的に絶縁
する絶縁層とを具備し、 前記感温部が取付凹部内で耐熱性絶縁性を有す
る樹脂により埋め込まれて固定されてなることを
特徴とする温度過昇防止装置の感温部取付構造。[Claim for Utility Model Registration] A mounting recess with an opening on the surface side of the stator winding formed in a part of a terminal block attached to the stator core of an electric motor, and a stator fixed in the mounting recess. A temperature sensing part that detects the temperature on the surface of the winding, and an insulating layer interposed between the temperature sensing part and the stator winding to electrically insulate them, the temperature sensing part being attached to the stator winding. A mounting structure for a temperature sensing part of an overtemperature rise prevention device, characterized in that it is embedded and fixed in a recess with a heat-resistant insulating resin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985088407U JPH0445420Y2 (en) | 1985-06-12 | 1985-06-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985088407U JPH0445420Y2 (en) | 1985-06-12 | 1985-06-12 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61205266U JPS61205266U (en) | 1986-12-24 |
| JPH0445420Y2 true JPH0445420Y2 (en) | 1992-10-26 |
Family
ID=30641509
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1985088407U Expired JPH0445420Y2 (en) | 1985-06-12 | 1985-06-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0445420Y2 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2921752B2 (en) * | 1996-09-18 | 1999-07-19 | ファナック株式会社 | Mounting method and mounting device for winding temperature detecting element of motor |
| KR100615354B1 (en) * | 1999-12-30 | 2006-08-28 | 삼성광주전자 주식회사 | Fixed structure for over heat protection device in a electric motor |
| JP4535189B2 (en) * | 2008-12-09 | 2010-09-01 | トヨタ自動車株式会社 | Rotating electric machine for vehicles |
| JP5986245B2 (en) | 2015-03-03 | 2016-09-06 | ファナック株式会社 | Fixing tool for fixing temperature detecting element, electric motor, and fixing method of temperature detecting element |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57199465A (en) * | 1981-05-26 | 1982-12-07 | Amp Inc | Stator for electric motor and method of producing same |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5986878U (en) * | 1982-12-01 | 1984-06-12 | 三洋電機株式会社 | Motor protector mounting device |
-
1985
- 1985-06-12 JP JP1985088407U patent/JPH0445420Y2/ja not_active Expired
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57199465A (en) * | 1981-05-26 | 1982-12-07 | Amp Inc | Stator for electric motor and method of producing same |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS61205266U (en) | 1986-12-24 |
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