JPS62196039A - Electrical contact - Google Patents
Electrical contactInfo
- Publication number
- JPS62196039A JPS62196039A JP3790486A JP3790486A JPS62196039A JP S62196039 A JPS62196039 A JP S62196039A JP 3790486 A JP3790486 A JP 3790486A JP 3790486 A JP3790486 A JP 3790486A JP S62196039 A JPS62196039 A JP S62196039A
- Authority
- JP
- Japan
- Prior art keywords
- brush
- motor
- chemical
- present
- commutator segment
- 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
- XXMIOPMDWAUFGU-UHFFFAOYSA-N hexane-1,6-diol Chemical compound OCCCCCCO XXMIOPMDWAUFGU-UHFFFAOYSA-N 0.000 claims description 3
- 239000000126 substance Substances 0.000 abstract description 28
- 238000005299 abrasion Methods 0.000 abstract description 5
- 230000001050 lubricating effect Effects 0.000 abstract description 4
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 abstract 1
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 18
- 229910052799 carbon Inorganic materials 0.000 description 15
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 14
- 230000000694 effects Effects 0.000 description 14
- 239000000463 material Substances 0.000 description 11
- 230000002159 abnormal effect Effects 0.000 description 10
- 238000003466 welding Methods 0.000 description 8
- 239000000853 adhesive Substances 0.000 description 7
- 230000001070 adhesive effect Effects 0.000 description 7
- 229910045601 alloy Inorganic materials 0.000 description 7
- 239000000956 alloy Substances 0.000 description 7
- 125000000753 cycloalkyl group Chemical group 0.000 description 7
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical group C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 6
- 229910000510 noble metal Inorganic materials 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 5
- 230000007423 decrease Effects 0.000 description 5
- SVTBMSDMJJWYQN-UHFFFAOYSA-N 2-methylpentane-2,4-diol Chemical compound CC(O)CC(C)(C)O SVTBMSDMJJWYQN-UHFFFAOYSA-N 0.000 description 4
- 208000035874 Excoriation Diseases 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 4
- 239000010949 copper Substances 0.000 description 4
- 238000013016 damping Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000010892 electric spark Methods 0.000 description 4
- 238000002474 experimental method Methods 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 239000003814 drug Substances 0.000 description 3
- 229940079593 drug Drugs 0.000 description 3
- 229910052737 gold Inorganic materials 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 229910052763 palladium Inorganic materials 0.000 description 3
- 229920000728 polyester Polymers 0.000 description 3
- 229910052709 silver Inorganic materials 0.000 description 3
- 230000005856 abnormality Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 150000002430 hydrocarbons Chemical class 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- CKFGINPQOCXMAZ-UHFFFAOYSA-N methanediol Chemical compound OCO CKFGINPQOCXMAZ-UHFFFAOYSA-N 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 229910052697 platinum Inorganic materials 0.000 description 2
- -1 polyfluoroethylene Polymers 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229910017693 AgCuTi Inorganic materials 0.000 description 1
- 229910000897 Babbitt (metal) Inorganic materials 0.000 description 1
- 229910000906 Bronze Inorganic materials 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 229910001069 Ti alloy Inorganic materials 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- DMFGNRRURHSENX-UHFFFAOYSA-N beryllium copper Chemical compound [Be].[Cu] DMFGNRRURHSENX-UHFFFAOYSA-N 0.000 description 1
- 239000010974 bronze Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 description 1
- IUYOGGFTLHZHEG-UHFFFAOYSA-N copper titanium Chemical compound [Ti].[Cu] IUYOGGFTLHZHEG-UHFFFAOYSA-N 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 235000019256 formaldehyde Nutrition 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 229910021385 hard carbon Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000010303 mechanochemical reaction Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- MOFOBJHOKRNACT-UHFFFAOYSA-N nickel silver Chemical compound [Ni].[Ag] MOFOBJHOKRNACT-UHFFFAOYSA-N 0.000 description 1
- 239000010956 nickel silver Substances 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229910000923 precious metal alloy Inorganic materials 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
Landscapes
- Contacts (AREA)
- Motor Or Generator Current Collectors (AREA)
Abstract
Description
【発明の詳細な説明】
卒業上の利用分野
本発明は、例えばテープレコーダー、ビデオテープレコ
ーダーなどのテープを駆動するために使用される小型モ
ータをはじめ、上下動接点、スライドスイッチ、リレー
、コネクターなどの電気接点に関するものである。[Detailed Description of the Invention] Fields of Application The present invention is applicable to small motors used to drive tapes in tape recorders, video tape recorders, etc., as well as vertically movable contacts, slide switches, relays, connectors, etc. It relates to electrical contacts.
従来の技術
接点開閉回数の最も多い小型モータの例で説明すると、
一般に小型モータにおけるブラシは、大き（わけて二種
類ある。一つは、弾性を有する導電材料、例えば銅・ベ
リリウム銅・銅チタン合金・リン青銅・洋白の薄板材あ
るいは線材に貴金属合金（例えば、Ａｕ、Ｐｄ、Ｐｔ、
Ａｇ、Ｃｕ等及びそれらの合金）をクラツド化、又は薄
板材、線材の一部にスポット溶接の手段によって接合し
た構造であり、もう一つは、前に述べた薄板材あるいは
線材の一部に焼結カーボンブラシ（例えば、カーボン、
Ａｇカーボン、Ｃｕカーボン、ＡｇＣｕカーボン、及び
それらの材料にＳｉＣ，Ｍ。Conventional technology To explain this using an example of a small motor that has the highest number of contact openings and closings,
In general, the brushes in small motors are large (there are two types. One is a thin sheet material made of an elastic conductive material, such as copper, beryllium copper, copper titanium alloy, phosphor bronze, or nickel silver, or a wire material made of a noble metal alloy (such as , Au, Pd, Pt,
The structure is made by cladding (Ag, Cu, etc. and their alloys) or by spot welding a part of the thin plate material or wire rod. Sintered carbon brush (e.g. carbon,
Ag carbon, Cu carbon, AgCu carbon, and SiC, M for those materials.
ｓ２．ｐｂ、エポキシ系樹脂などを添加剤として配合し
たもの）を導電性接着剤、スポット溶接、あるいはカシ
メ方式などの手段によって形成されているが、これらの
ブラシを有する小型モータにおいては、コミュテータ回
転時に、ブラシしゅう動部が不必要に振動し、これによ
ってブラシしゅう動部のコミュテータ・セグメントに対
する接触面に異常な溶着が生じることと、火花発生に伴
う黒化物（カーボン及びブラシとコミュテータ・セグメ
ント間で生ずるしゅう動摩耗粉が混じり合ったもの）と
言われる異常現象を促進する異物が生成されることがし
ばしば起こり問題となる。小型モータのブラシの一例と
して、コミュテータ・セグメントにしゅう接するブラシ
しゅう動部がモータケースの蓋などに設けられた支持手
段により支持されているブラシ基部と一体に成形された
ものがある。その種のブラシとコミュテータ・セグメン
トとの接触状態を第４図に示す。s2. These brushes are formed using conductive adhesive, spot welding, caulking method, etc. When the commutator rotates, in small motors with these brushes, The brush sliding part vibrates unnecessarily, which causes abnormal welding on the contact surface of the brush sliding part with the commutator segment, and blackening (carbon and other substances formed between the brush and the commutator segment) due to spark generation. This is a problem because foreign matter that promotes abnormal phenomena (mixed with sliding wear particles) is often generated. An example of a brush for a small motor is one in which a brush sliding portion that comes into contact with a commutator segment is integrally formed with a brush base that is supported by support means provided on a lid of a motor case or the like. The state of contact between such a brush and the commutator segment is shown in FIG.
第４図において、ブラシ支持手段１に支持されたブラシ
基部２から、折り曲げられたブラシしゅう動部３が伸び
ている。このブラシ基部２、ブラシしゅう動部それ自体
が弾性を有しコミュテータ・セグメント４に押圧された
状態で接触している。そして、この押圧力は、ブラシ基
部２とブラシしゅう動部３との折り曲げ角を適当に選ぶ
ことによって、必要な値にすることができる。また、コ
ミュテータ・セグメント４は、整流子基台５を介してモ
ータ回転軸６に固定され、モータの回転とともに回転す
る。In FIG. 4, a bent brush sliding portion 3 extends from a brush base 2 supported by a brush support means 1. The brush base 2 and the brush sliding part themselves have elasticity and are in contact with the commutator segment 4 in a pressed state. This pressing force can be set to a required value by appropriately selecting the bending angle between the brush base 2 and the brush sliding portion 3. Further, the commutator segment 4 is fixed to the motor rotating shaft 6 via the commutator base 5, and rotates with the rotation of the motor.
発明が解決しようとする問題点
このように、しゅう接するコミュテータ・セグメント４
とブラシしゅろ動部３からは、整流時及び、接触点の断
続により電気火花が発生し、この電気火花の発生に伴っ
て電気ノイズや、コミュテータ・セグメント４、ブラシ
しゅう動部３に消耗や溶着が発生するなど、不都合な状
態が生じる。Problems to be Solved by the Invention In this way, the commutator segments 4 that are in contact with each other
Electric sparks are generated from the brush sliding part 3 during commutation and due to intermittent contact points, and the generation of these electric sparks causes electrical noise and wear and tear on the commutator segment 4 and the brush sliding part 3. Unfavorable conditions such as welding occur.
例えば、コミュテータ・セグメント４と接触し始める位
置及び離れる位置（第４図のａ部）に溶着が生じると、
この溶着物がコミュテータ・セグメント４の表面を擦過
して損傷を与え、さらにこの擦過によって生じた切屑が
、互いに隣り合うコミュテータ・セグメント４の間のギ
ャップ部（第４図のｂ部）に溜まり、そのためにコミュ
テータ・セグメント相互間が導通され回転不安定になる
。又例えば、消耗によりコミュテータ・セグメント表面
の面粗度が粗くなると、ブラシの振動の原因となり、電
気火花の発生を助長し、更に消耗を進行し、異常摩耗な
どの原因となったり、電気ノイズや整流位置のズレなど
モータの性能そのものを低下してしまう。For example, if welding occurs at the position where it starts to make contact with the commutator segment 4 and at the position where it leaves (section a in Fig. 4),
This welded material scrapes and damages the surface of the commutator segment 4, and furthermore, chips generated by this scraping accumulate in the gap between adjacent commutator segments 4 (section b in FIG. 4). Therefore, conduction occurs between the commutator segments, resulting in unstable rotation. For example, if the surface roughness of the commutator segment surface becomes rough due to wear, it will cause brush vibration, which will encourage the generation of electrical sparks, which will further progress wear and tear, causing abnormal wear, and electrical noise. The performance of the motor itself may deteriorate due to deviations in the commutation position.
なお、前記ブラシしゅう動部３とコミュテータ・セグメ
ント４との接触面ａにおいて最もよく電気火花が発生す
る。もちろんしゅう接するコミュテータ・セグメント４
とブラシしゅう動部３には、電気火花を原因としない機
械的な摩耗も生じるのはいうまでもない。Incidentally, electric sparks are most often generated at the contact surface a between the brush sliding portion 3 and the commutator segment 4. Of course, the commutator segment 4
Needless to say, mechanical wear that is not caused by electric sparks also occurs in the brush sliding portion 3.
一般に、よく用いられるブラシしゅう動部３の材質は前
記のごとく貴金属合金あるいは焼結カーボンであり、コ
ミュテータ・セグメント４の材質は、Ａｕ、Ｐｄ、Ａｇ
等の貴金属合金、例えばＡｇＣｕ、ＡｇＣｄ、ＡｇＣｕ
Ｃｄ、ＡｇＣｕＴｉなどからなる。特に貴金属ブラシと
の組み合わせでは、いずれも、表面エネルギーが高く両
者がほぼ同様の材質であることから、しゅう接面で擦過
傷が発生し易い不利な組み合わせである。また、焼結カ
ーボンブラシとの組み合わせにおいても、貴金属合金ブ
ラシと較べてしゅう動抵抗は小さくなるといえども、ブ
ラシを構成する配合材料中には、Ｓｉｎ、などの不純物
が少なからず混入しており、擦過傷の危険性はあり、又
貴金属合金ブラシの場合と同様に貴金属合金のカーボン
の場合は、しゅう接面で擦過傷が発生し易い不利な組み
合わせになる。第５図（ａ）の例は、これらの欠点の原
因となっている電気火花を、抑制する機械的手段を有し
ていない構造を示す。即ちブラシしゅう動部３に振動減
衰対策を何等講じていないものは、ブラシしゅう動部の
振動が大きく、火花の発生が多くなり、溶着、消耗が起
こり易い。第５図（ｂ）の例は、ブラシしゅう動部３に
振動減衰対策を講じた構成を示す。即ちブラシしゅう動
部３に、防振ゴム９を粘着剤８で貼り付けたものであり
、常温においては振動吸収がよく、火花の発生をおさえ
ることができる。しかし、使用上限温度の６０゛Ｃ近く
においては粘着剤の粘性が著しく低下し、防振ゴム９の
しゅう動部３との接着力が減少し、振動吸収能力が低下
して火花の発生が多くなり、寿命の長い品質の優れたも
のは得難（なる。さらに第５図（ｃ）は、第５図（ｂ）
と同様にブラシしゅう動部３に振動減衰対策を講じた構
造の別の例を示す。即ちブラシしゅう動部３に防振シー
ト１２を基材１０の両面に粘着剤８を塗布した構成の接
着材１１で貼り付けたものであり、上記第５図（ｂ）の
例と比較すると、高温での粘着剤の粘性の低下が、ある
程度抑えられるものの不充分であり、高温での長寿命、
高品質を満足することは出来ない。Generally, the material of the brush sliding part 3 that is often used is noble metal alloy or sintered carbon as mentioned above, and the material of the commutator segment 4 is Au, Pd, Ag.
Noble metal alloys such as AgCu, AgCd, AgCu
It consists of Cd, AgCuTi, etc. In particular, when used in combination with a noble metal brush, since both have high surface energy and are made of substantially the same material, this is an unfavorable combination that tends to cause abrasions on the contact surfaces. In addition, even when combined with a sintered carbon brush, although the sliding resistance is lower than that of a noble metal alloy brush, the blended materials that make up the brush contain a considerable amount of impurities such as Sin. There is a risk of abrasions, and as with noble metal alloy brushes, the use of precious metal alloy carbon is an unfavorable combination that tends to cause abrasions on the mating surfaces. The example of FIG. 5(a) shows a structure without mechanical means to suppress the electrical sparks that cause these defects. That is, if no vibration damping measures are taken for the brush sliding part 3, the vibration of the brush sliding part will be large, sparks will be generated more often, and welding and wear will easily occur. The example in FIG. 5(b) shows a configuration in which vibration damping measures are taken for the brush sliding section 3. That is, vibration isolating rubber 9 is attached to brush sliding part 3 with adhesive 8, and vibration absorption is good at room temperature, and generation of sparks can be suppressed. However, near the upper limit temperature of 60°C, the viscosity of the adhesive decreases significantly, and the adhesive force between the anti-vibration rubber 9 and the sliding part 3 decreases, resulting in a decrease in vibration absorption ability and the generation of sparks. Therefore, it is difficult to find a product with a long life and excellent quality.Furthermore, Fig. 5(c)
Another example of a structure in which vibration damping measures are taken for the brush sliding part 3 in the same manner as in FIG. That is, a vibration isolating sheet 12 is attached to the brush sliding part 3 using an adhesive 11 having an adhesive 8 applied to both sides of a base material 10.Compared with the example shown in FIG. 5(b) above, Although the decrease in the viscosity of the adhesive at high temperatures can be suppressed to some extent, it is insufficient, and the long life at high temperatures is limited.
High quality cannot be satisfied.
なお、この機器の使用雰囲気温度は、−１０℃〜＋６０
℃で使用するものが多い。The ambient temperature for this device is -10°C to +60°C.
Many are used at ℃.
本発明は、開閉接点構造の上下動スイッチ、リレー、あ
るいは、モータのブラシ・コミュテータ間、小型モータ
同様しゅう動接点構造を持つスライドスイッチ、コネク
ターなどのの電気接点寿命の短縮を防止するものである
。The present invention prevents shortening of the life of electrical contacts in vertical switches and relays with open/close contact structures, slide switches and connectors with sliding contact structures similar to small motors, between brushes and commutators of motors, etc. .
問題点を解決するための手段
前記問題点を解決するために、本発明は開閉接点構造の
上下動スイッチ、リレー、あるいは、しゅう動接点構造
のスライドスイッチ、コネクターなどの電気接点の接点
近傍がヘキサメチレングリコール（以下本発明の薬品と
略す）の雰囲気となるよう構成したものである。Means for Solving the Problems In order to solve the above-mentioned problems, the present invention provides a structure in which the vicinity of the contact of an electric contact such as a vertical movement switch or relay with an opening/closing contact structure, or a slide switch or connector with a sliding contact structure is It is configured to create an atmosphere of methylene glycol (hereinafter abbreviated as the chemical of the present invention).
作用
小型モータの例で説明すると、これまでの文献や実験な
どでブラシしゅう動部とコミュテータ・セグメントの溶
着し易い状態、あるいは溶着や異常摩耗や導通不良の起
こり易い状態が解明されつつある。異常の起こり易い状
態は、ブラシしゅう動部とコミュテータ・セグメントが
しゅう動する部位の雰囲気か、またはコミュテータ・セ
グメント自体に不飽和環状炭化水素が存在したり、吸着
したりしている場合である。このとき黒化物（分解生成
物、又はメカノケミカル反応で出来た重合物であるカー
ボン様のもの、およびブラシとコミュテータ・セグメン
ト間で生ずるしゅう動摩耗粉が混じり合ったもの）と言
われる異常現象を促進する異物が生成する。Taking the example of a small working motor, past literature and experiments are beginning to clarify the conditions in which brush sliding parts and commutator segments tend to weld, or conditions in which welding, abnormal wear, or poor continuity occur. Abnormalities are likely to occur in the atmosphere where the brush sliding portion and the commutator segment slide, or in the case where unsaturated cyclic hydrocarbons exist or are adsorbed in the commutator segment itself. At this time, an abnormal phenomenon called black matter (a mixture of decomposition products or carbon-like polymers produced by mechanochemical reactions, and sliding wear particles generated between the brush and the commutator segment) occurs. Promoting foreign matter is generated.
この異物は、不飽和環状炭化水素がしゅう動部とコミュ
テータ・セグメント間のアークによって燃焼するとき、
単位体積当たりのカーボン量が多く不完全燃焼すること
と、またその分子構造に起因するものであるが、生成カ
ーボンの結合状態が密となるため、硬質のカーボンがで
きるためと思われる。This foreign material is generated when unsaturated cyclic hydrocarbons are combusted by an arc between the sliding parts and the commutator segment.
This is thought to be due to the large amount of carbon per unit volume resulting in incomplete combustion and its molecular structure, but the bonding state of the produced carbon becomes dense, resulting in hard carbon.
また不飽和環状炭化水素以外の炭化水素の雰囲気、およ
びコミュテータ・セグメントへの吸着では、その分子構
造に起因するものであるが、生成するカーボンは軟質の
ものとなり、異常現象につながらぬ事が解明されている
。これらの現象をもとにして、微量の炭化水素の吸着し
たコミュテータ・セグメントを用いて長期間の運転実験
を行った。この実験で、
１）高温・低湿の場合のコミュテータ・セグメントに異
常摩耗の発生する確率が高い。In addition, it was found that when hydrocarbons other than unsaturated cyclic hydrocarbons are adsorbed in the atmosphere and on the commutator segment, the carbon produced is soft and does not lead to abnormal phenomena, although this is due to its molecular structure. has been done. Based on these phenomena, a long-term operation experiment was conducted using a commutator segment that adsorbed a small amount of hydrocarbons. In this experiment, we found that: 1) There is a high probability that abnormal wear will occur in the commutator segment under high temperature and low humidity.
２）コミュテータ・セグメントに１０μｇ程度の不飽和
環状炭化水素の吸着がある場合、コミュテータ・セグメ
ントの異常が緩和され、小型モータの長寿命化がはかれ
る。（ただし、ＪＭ＆’Ｅ的に不飽和環状炭化水素の補
給がない場合のデータである。）結果が得られた。2) If about 10 μg of unsaturated cyclic hydrocarbon is adsorbed on the commutator segment, abnormalities in the commutator segment will be alleviated and the life of the small motor will be extended. (However, this data is based on the case where there is no replenishment of unsaturated cyclic hydrocarbons according to JM&'E.) The results were obtained.
そこで、上記現象を考慮した結果、本発明の薬品を用い
ると、スチレンモノマーやトルエンなどの不飽和環状炭
化水素と異なりその分子構造の中に酸素を有しているた
めによく燃焼し、異常現象の一つである硬質の黒化物生
成に対して最も遠い存在となり、カーボン生成があって
も極めて軟質のものとなりブラシしゅう動部とコミュテ
ータ・セグメントのしゅう動抵抗を減することが出来る
また異常現象の発生する確率の高い高温・低湿において
も本発明の薬品の蒸気圧にみあった適当な雰囲気がケー
ス内にえられることと、本発明が有する水酸基により金
属表面に強力に吸着するので充分な効果を得ることが出
来る。 また、本発明の薬品を配する電気接点は、空気
の流通の少ないほぼ密閉に近い構造であるか、その電気
接点が組み込まれる機器そのものが空気の流通の少ない
構造のものが好結果が得られる。Therefore, as a result of considering the above phenomenon, it was found that when the chemical of the present invention is used, unlike unsaturated cyclic hydrocarbons such as styrene monomer and toluene, it burns well because it has oxygen in its molecular structure, and abnormal phenomena occur. It is the farthest thing from the hard blackide formation, which is one of the causes, and even if carbon is formed, it is extremely soft and can reduce the sliding resistance of the brush sliding part and commutator segment.It is also an abnormal phenomenon. Even at high temperatures and low humidity, where there is a high probability of occurrence, an appropriate atmosphere suitable for the vapor pressure of the chemical of the present invention can be created in the case, and the hydroxyl group of the present invention strongly adsorbs to the metal surface, so You can get the effect. In addition, good results can be obtained if the electrical contact to which the chemical of the present invention is placed has a nearly hermetic structure with little air circulation, or if the device itself into which the electrical contact is installed has a structure with little air circulation. .
本発明の薬品の吸着において、Ａｕ、Ｐｄ、Ｐｔ、Ａｇ
、等及びその合金の触媒作用の強い材料を用いた例えば
、コミュテータ・セグメントおよびブラシは勿論のこと
、Ｃｕなどで出来たブラシ、焼結カーボンブラシの表面
、およびそれ以外のモータを構成する金属部品の表面へ
も吸着し、表面へ反応性の高いガス（スチレンモノマー
、トルエン等）が付着することを防止する。これは、本
発明の薬品が、例えばスチレンモノマー、トルエン等の
ファンデアワールスの引力より吸着する有機ガスに比べ
て水素結合を作り強力に吸着するためである。本発明の
薬品の物質名とその性状は、分子式：ヘキサメチレング
リコール
： Ｃｔ、Ｈ＋□（ＯＨ） ｚ
吸水率：１０％（４０℃・９０％ＲＨ・１気圧）である
。In the adsorption of chemicals of the present invention, Au, Pd, Pt, Ag
, etc. and their alloys, such as commutator segments and brushes, as well as brushes made of Cu, sintered carbon brush surfaces, and other metal parts constituting motors. It also adsorbs to the surface of the gas, preventing highly reactive gases (styrene monomer, toluene, etc.) from adhering to the surface. This is because the chemical of the present invention forms hydrogen bonds and adsorbs more strongly than organic gases, such as styrene monomers and toluene, which are adsorbed by van der Waals attraction. The substance name and properties of the drug of the present invention are: Molecular formula: Hexamethylene glycol: Ct, H+□(OH) z Water absorption: 10% (40° C., 90% RH, 1 atm).
前述の本発明の薬品は、小型モータにおいてはブラシ、
コミュテータ・セグメント表面へ吸着し、単分子膜を形
成するため、潤滑性も極めて向上し、接触部分の摩耗も
著しく減少する。The above-mentioned chemicals of the present invention can be used in small motors such as brushes,
Because it adsorbs to the commutator segment surface and forms a monomolecular film, lubricity is greatly improved and wear on the contact parts is significantly reduced.
また開閉接点構造の上下動スイッチ、リレー、あるいは
、しゅう動接点構造のスライドスイッチ、コネクターな
どの電気接点においても同様な効果を発揮する。The same effect can also be achieved in electrical contacts such as vertical switches and relays with an open/close contact structure, slide switches and connectors with a sliding contact structure.
実施例
第１図、第２図および第３図は、それぞれ本発明を小型
モータに用いた際の一実施例を示したものである。ここ
で第４図のものと同一名称部分には同一符号を付しであ
る。図において、７は軸受メタル、１３はブラシ、１４
はブラシなどを保持するブラケット、１５はモータケー
ス下、１６・は本発明の薬品を含浸させたフェルト、エ
フはロータコア１８に巻装したマグネットワイヤー、１
９はモータケース２０の内面に固着したフィールドマグ
ネットである。第１図の実施例ではフェルト１６はブラ
ケット１４上のブラシしゅう動部３の近傍に配置されて
おり、また第２図の実施例ではブラシ基部２上にフェル
ト１６を取り付けてあり、第３図の実施例ではブラシ１
３から離れたケース２０に装備している。Embodiment FIGS. 1, 2 and 3 each show an embodiment in which the present invention is applied to a small motor. Here, parts with the same names as those in FIG. 4 are given the same reference numerals. In the figure, 7 is the bearing metal, 13 is the brush, 14
15 is a bracket for holding brushes, etc., 15 is under the motor case, 16 is felt impregnated with the chemical of the present invention, F is a magnet wire wrapped around the rotor core 18, 1
9 is a field magnet fixed to the inner surface of the motor case 20. In the embodiment shown in FIG. 1, the felt 16 is placed near the brush sliding part 3 on the bracket 14, and in the embodiment shown in FIG. In the example of Brush 1
It is installed in case 20, which is separate from case 3.
また、いずれの実施例も、ケース内の雰囲気が本発明の
薬品による蒸気雰囲気になりブラシおよびコミュテータ
・セグメント表面に本発明の薬品が吸着する事を目的と
したものである。Further, in each of the embodiments, the atmosphere inside the case becomes a vapor atmosphere due to the chemical of the present invention, so that the chemical of the present invention is adsorbed onto the surfaces of the brush and the commutator segment.
次に示す比較例と実施例について実験を行った比較例１
）従来品
比較例２）スチレンモノマー雰囲気中でのテスト品
比較例３）トルエン雰囲気中でのテスト品実施例１）本
発明の本発明を１：１で混合したちのの雰囲気中でのテ
スト品
なお、本発明の薬品の成分に多少の不純物があっでも、
本発明の薬品は、著しい効果を発揮する。Comparative Example 1 in which experiments were conducted on the following Comparative Examples and Examples
) Conventional product comparison example 2) Test product comparison example in a styrene monomer atmosphere 3) Test product example in a toluene atmosphere 1) Test in an atmosphere where the present invention was mixed at a ratio of 1:1 However, even if there are some impurities in the ingredients of the drug of the present invention,
The drug of the invention exhibits remarkable effects.
テストに用いたモータを第３図で説明する。このモータ
は直流モータで、外径３０ｍｍ高さ２５ｍｍの大きさで
定格出力０．１Ｗ、試験時の運転条件は、４．２ＶＤＣ
，２５ｍＡである。テストの結果は次表の通りであった
。The motor used in the test will be explained with reference to FIG. This motor is a DC motor with an outer diameter of 30 mm and a height of 25 mm, with a rated output of 0.1 W, and the operating conditions during the test were 4.2 VDC.
, 25mA. The test results are shown in the table below.
以下余白
このモータの空隙にポリエステルフェルト１６をポリフ
ルオロエチレン液で洗浄し脱脂したものに、本発明の薬
品を含浸させたものを設置したものは、本発明の薬品が
徐々に蒸発し著しい効果を得ることが出来た。前記ポリ
エステルフェルト１６は、その繊維の太さとみかけ比重
を変えることによって蒸発スピードのコントロールが可
能である。前記ポリエステルフェルト１６のかわりに連
続発泡のプラスチックまたはゴムのスポンジを用いても
著しい効果を得ることが出来た。また焼結されたポーラ
スなフィールドマグネット１９に本発明の薬品を含浸さ
せたものは、０．１ないし０．３ｇの保持力があり著し
い効果を得ることが出来た。Margin below: If a polyester felt 16 that has been cleaned and degreased with a polyfluoroethylene solution and impregnated with the chemical of the present invention is installed in the gap of this motor, the chemical of the present invention will gradually evaporate and produce a remarkable effect. I was able to get it. The evaporation speed of the polyester felt 16 can be controlled by changing the thickness and apparent specific gravity of its fibers. Remarkable effects could also be obtained by using open-cell foamed plastic or rubber sponge instead of the polyester felt 16. Further, a sintered porous field magnet 19 impregnated with the chemical of the present invention had a holding force of 0.1 to 0.3 g, and was able to obtain a remarkable effect.
また、ポリエチレンなどの気体透過性のフィルムまたは
ケースに封入し小型モータ内に設置したものも本発明の
薬品を保持する力があり著しい効果を得ることが出来た
。Furthermore, a device sealed in a gas-permeable film or case such as polyethylene and installed inside a small motor also had the ability to retain the chemical of the present invention, and a remarkable effect could be obtained.
また本発明の薬品は常温で固体であるため、部品に含浸
するとき融点まで昇温する必要があるが同様な効果を有
する２−メチル−２，４−ペンタンジオールに溶解して
用いれば容易に含浸することが出来著しい効果を得るこ
とが出来た。Furthermore, since the chemical of the present invention is solid at room temperature, it is necessary to raise the temperature to the melting point when impregnating parts, but it can be easily used by dissolving it in 2-methyl-2,4-pentanediol, which has a similar effect. It was possible to impregnate it and obtain remarkable effects.
第６図は本発明の薬品を用いた小型モータの整流波形で
ある。FIG. 6 is a rectified waveform of a small motor using the chemical of the present invention.
（ａ）は６０℃、５％ＲＨ雰囲気中での従来品のテスト
前の整流波形、３００時間テスト後の比較例１の整流波
形
（ｂ）は不飽和環状炭化水素スチレンモノマー雰囲気中
での６０℃、５％ＲＨ雰囲気テスト前の整流波形及び１
００時間テスト後の比較例２の整流波形
（ｃ）は不飽和環状炭化水素（トルエン）をコミュテー
タ・セグメント表面に約１０μｇ吸着させた場合におけ
る６０℃、５％ＲＨ雰囲気テスト前の整流波形及び３０
０時間テスト後の比較例３の整流波形
（ｄ）は本発明の薬品雰囲気における６０℃、５％雰囲
気テスト前の整流波形及び１５００時間テスト後の実施
例１の整流波形
発明の効果
以上の説明から明らかなように本発明によれば、下記の
効果を奏する。(a) is the rectification waveform of the conventional product before the test in an atmosphere of 60°C and 5% RH. (b) is the rectification waveform of Comparative Example 1 after the 300-hour test in the atmosphere of unsaturated cyclic hydrocarbon styrene monomer. ℃, 5% RH atmosphere test before rectification waveform and 1
The rectification waveform (c) of Comparative Example 2 after the 00 hour test is the rectification waveform before the 60°C, 5% RH atmosphere test when approximately 10 μg of unsaturated cyclic hydrocarbon (toluene) is adsorbed on the commutator segment surface, and the rectification waveform (c) before the 60°C, 5% RH atmosphere test.
The rectification waveform (d) of Comparative Example 3 after the 0-hour test is the rectification waveform before the 60°C, 5% atmosphere test in the chemical atmosphere of the present invention, and the rectification waveform of Example 1 after the 1500-hour test.The above explanation of the effect of the invention As is clear from the above, the present invention provides the following effects.
１）本発明の薬品がしゅう動部表面へ吸着することによ
り、潤滑作用がはたらき、しゅう接面の異常摩耗や溶着
とそれによる擦過損傷を防止できる効果がある。1) By adsorbing the chemical of the present invention to the surface of the sliding part, a lubricating effect is exerted, which has the effect of preventing abnormal wear and welding of the sliding contact surface and the resulting abrasion damage.
２）スチレンモノマーやトルエンなどのベンゼン環をを
する有機ガスがあっても、しゅう動部表面へ吸着した本
発明の薬品の皮膜で保護され、黒化物の生成も微少とな
り接点間の接触不良の発生を防止できる。また接触不良
を起こさないため、電気ノイズの発生も減少し、例えば
小型モータに用いた際には速度の安定化も図られ、結果
的には、１〜３０■程度の比較的低電圧用の小型モータ
が使用される機器のワウ・フラッタ−を低減する３）本
発明の薬品の潤滑作用により、例えば動作電圧：１〜３
０■、電流値：１００ｍＡ前後のマイクロモータを本発
明の薬品の雰囲気で運転すると、電流値が５〜１０％減
少し、省エネルギー化がはかれる。2) Even if there is an organic gas with a benzene ring such as styrene monomer or toluene, it will be protected by the film of the chemical of the present invention adsorbed on the surface of the sliding part, and the formation of black compounds will be minimal, resulting in poor contact between the contacts. Occurrence can be prevented. In addition, since contact failure does not occur, the generation of electrical noise is also reduced, and when used in small motors, for example, the speed is stabilized, and as a result, the 3) The lubricating action of the chemical of the present invention reduces wow and flutter in equipment that uses small motors, for example, operating voltage: 1 to 3.
When a micromotor with a current value of approximately 100 mA is operated in an atmosphere containing the chemical of the present invention, the current value decreases by 5 to 10%, resulting in energy savings.
４）本発明の薬品がしゅう動により発生する振動を抑え
るダンピング効果を有し、１〜１０％の機械雑音の減少
を可能とする。4) The chemical of the present invention has a damping effect that suppresses vibrations generated by sliding motion, making it possible to reduce mechanical noise by 1 to 10%.
５）本発明の薬品の吸湿性は、親水性を有する一ＯＨ基
と疎水性を有する一〇−Ｃ−（炭素結合部）のバランス
が理想的であり４０℃・湿度９０％ＲＨの雰囲気中でも
吸水率は、２０％以下となり金属を腐食するほど湿潤す
ることなく潤滑効果の大きいものとなる。5) The hygroscopicity of the chemical of the present invention has an ideal balance between the hydrophilic 1OH group and the hydrophobic 10-C- (carbon bond), even in an atmosphere of 40°C and 90% RH. The water absorption rate is 20% or less, and the lubricating effect is large without being so wet that it corrodes the metal.
６）本発明の薬品を２−メチル−２，４−ペンタンジオ
ールに溶解した後月いる場合は部品への含浸が常温で可
能となり生産性の優れた効果持続時間の長い優れたもの
となる。6) When the chemical of the present invention is dissolved in 2-methyl-2,4-pentanediol for a few months, it can be impregnated into parts at room temperature, resulting in excellent productivity and long effect duration.
第１図および第２図はそれぞれ本発明を小型モータに用
いた際の実施例の構成図、第３図は本発明の実施例のモ
ータの半断面図、第４図は一般的なブラシ、コミュテー
タの構成を示す図、第５図（ａ）〜（ｃ）はそれぞれ従
来例のブラシしゅう動部の代表的構成を示す図、第６図
（ａ）〜（ｄ）は本発明の小型モータの整流波形を示す
図である。
３・・・・・・コミュテータしゅう動部、４・・・・・
・コミュテータ・セグメント、１６・・・・・・フェル
ト、２０・・・・・・モータケース。
代理人の氏名 弁理士 中尾敏男 はか１名３−−−フ
ラジじゃ＞ｇＪ部
第２図
第３図
第５図
（山ン1 and 2 are block diagrams of an embodiment in which the present invention is applied to a small motor, FIG. 3 is a half-sectional view of a motor according to an embodiment of the present invention, and FIG. 4 is a general brush, A diagram showing the configuration of a commutator, FIGS. 5(a) to (c) are diagrams each showing a typical configuration of a conventional brush sliding part, and FIGS. 6(a) to (d) are diagrams showing a small motor of the present invention. It is a figure which shows the rectified waveform of. 3... Commutator sliding part, 4...
- Commutator segment, 16...Felt, 20...Motor case. Name of agent Patent attorney Toshio Nakao 1 person 3---Frajja>gJ Department Figure 2 Figure 3 Figure 5 (Yaman)
Claims (2)
ールを配したことを特徴とする電気接点。(1) An electrical contact characterized by disposing hexamethylene glycol inside a case containing a built-in contact.
４−ペンタンジオールに溶解した後用いることを特徴と
する特許請求の範囲第１項記載の電気接点。(2) Hexamethylene glycol is 2-methyl-2,
The electrical contact according to claim 1, which is used after being dissolved in 4-pentanediol.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61037904A JPH0669279B2 (en) | 1986-02-21 | 1986-02-21 | Electrical contact |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61037904A JPH0669279B2 (en) | 1986-02-21 | 1986-02-21 | Electrical contact |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62196039A true JPS62196039A (en) | 1987-08-29 |
| JPH0669279B2 JPH0669279B2 (en) | 1994-08-31 |
Family
ID=12510530
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61037904A Expired - Lifetime JPH0669279B2 (en) | 1986-02-21 | 1986-02-21 | Electrical contact |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0669279B2 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6137909A (en) * | 1984-07-30 | 1986-02-22 | Nippon Steel Corp | Apparatus for removing deposit on throat of converter by cutting |
-
1986
- 1986-02-21 JP JP61037904A patent/JPH0669279B2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6137909A (en) * | 1984-07-30 | 1986-02-22 | Nippon Steel Corp | Apparatus for removing deposit on throat of converter by cutting |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0669279B2 (en) | 1994-08-31 |
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| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |