JPH0583927A - Permanent magnet type retarder - Google Patents
Permanent magnet type retarderInfo
- Publication number
- JPH0583927A JPH0583927A JP26718691A JP26718691A JPH0583927A JP H0583927 A JPH0583927 A JP H0583927A JP 26718691 A JP26718691 A JP 26718691A JP 26718691 A JP26718691 A JP 26718691A JP H0583927 A JPH0583927 A JP H0583927A
- Authority
- JP
- Japan
- Prior art keywords
- permanent magnet
- armature
- rotor
- retarder
- magnetic
- 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
- Dynamo-Electric Clutches, Dynamo-Electric Brakes (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は電磁力を利用して車両に
制動力を与える永久磁石式リターダに関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a permanent magnet type retarder that applies a braking force to a vehicle by utilizing electromagnetic force.
【０００２】[0002]
【従来の技術】バスやトラックなどの大型の車両では、
その減速や制動のために主ブレーキのフートブレーキや
排気ブレーキの他、電磁力を用いたリターダが配置され
ており、安定した制動力が円滑に得られるため、長い坂
道の降坂時などで使用されている。2. Description of the Related Art For large vehicles such as buses and trucks,
For deceleration and braking, in addition to the main brake foot brake and exhaust brake, a retarder using electromagnetic force is arranged, so that stable braking force can be obtained smoothly, so it is used when descending a long slope. Has been done.
【０００３】このようなリターダとして永久磁石を用い
た渦電流式のものに、例えば特開平１−２３４０４３号
公報に渦電流式減速装置が示されており、この種の渦電
流式では使用する永久磁石に残留磁束密度の大きな値の
ものが近年得られるため渦電流の発生による制動力も十
分に得られ、従来の励磁式に比して外部から給電の必要
なく、また小型軽量で実装性に勝るなどの利点を有して
いる。As such an eddy current type retarder using a permanent magnet as a retarder, for example, Japanese Patent Laid-Open No. 1-234043 discloses an eddy current type speed reducer, which is used in this type of eddy current type permanent magnet. Since a magnet with a large residual magnetic flux density has been obtained in recent years, a sufficient braking force due to the generation of eddy currents can be obtained, compared to the conventional excitation type, there is no need for external power supply, and the size and weight are small and easy to mount. It has advantages such as superiority.
【０００４】[0004]
【発明が解決しようとする課題】上述のような永久磁石
の磁束による渦電流を制動に用いるものでは、車両の制
動時に発生する渦電流の電気エネルギーは熱エネルギー
に変換されて大気中に放散され、回収されないのが現状
である。In the case where the eddy current generated by the magnetic flux of the permanent magnet is used for braking as described above, the electrical energy of the eddy current generated during braking of the vehicle is converted into thermal energy and is diffused into the atmosphere. The current situation is that they are not collected.
【０００５】本発明はこのような問題に鑑みてなされた
ものであり、その目的は車両の制動時における永久磁石
による渦電流のエネルギーを電力として回収しようとす
る永久磁石式リターダを提供することにある。The present invention has been made in view of the above problems, and an object thereof is to provide a permanent magnet type retarder for recovering the energy of an eddy current generated by a permanent magnet during braking of a vehicle as electric power. is there.
【０００６】[0006]
【課題を解決するための手段】上述の目的を達成するた
めに本発明によれば、永久磁石からの磁束による電磁力
にて車両に制動力を与える永久磁石式リターダにおい
て、車両の走行に応じて回転し前記永久磁石の磁束を交
番磁界に変換する変換手段を備えたロータと、該ロータ
による交番磁界の誘導により発電する電機子とを有する
永久磁石式リターダが提供される。To achieve the above object, according to the present invention, a permanent magnet type retarder for applying a braking force to a vehicle by an electromagnetic force generated by a magnetic flux from a permanent magnet is used according to the running of the vehicle. Provided is a permanent magnet type retarder having a rotor provided with a conversion unit that rotates to convert the magnetic flux of the permanent magnet into an alternating magnetic field, and an armature that generates electric power by the induction of the alternating magnetic field by the rotor.
【０００７】[0007]
【作用】永久磁石からの磁束を誘導子となるロータによ
り、交番磁界となるように変換して電機子に印加するた
め、電機子にて発電が行われ、該発電電力の制御によっ
て制動力が広範囲に可変できるとともに、発電電力を有
効に活用することも可能となる。The magnetic flux from the permanent magnet is converted into an alternating magnetic field by the rotor serving as an inductor and applied to the armature, so that the armature generates electric power, and the braking force is controlled by controlling the generated electric power. It can be varied over a wide range and the generated power can be effectively used.
【０００８】[0008]
【実施例】つぎに本発明の実施例について図面を用いて
詳細に説明する。Embodiments of the present invention will now be described in detail with reference to the drawings.
【０００９】図２は本発明にかかる永久磁石式リターダ
の一実施例の構成を示す説明図で、図１（Ａ）は本実施
例における永久磁石や電磁機構の構成を示す断面図、図
１（Ｂ）は図１（Ａ）における切断線Ｘ−Ｘに沿った断
面図である。FIG. 2 is an explanatory view showing the constitution of one embodiment of the permanent magnet type retarder according to the present invention, and FIG. 1 (A) is a sectional view showing the constitution of the permanent magnet and the electromagnetic mechanism in this embodiment. 1B is a cross-sectional view taken along the section line XX in FIG.
【００１０】これらの図面において、１は回転軸であ
り、後述する誘導子となるロータ２を備えた回転カップ
２１がセンターブレーキドラム１１やカップリング１２
とともに取付けられ、該回転カップ２１は走行時は常に
回転しているものである。In these drawings, reference numeral 1 is a rotary shaft, and a rotary cup 21 having a rotor 2 as an inductor, which will be described later, has a center brake drum 11 and a coupling 12.
The rotary cup 21 is attached together with the rotary cup 21 and is always rotating during traveling.
【００１１】３はケース部で、リターダ装置の電機子４
を有するとともに、内部に永久磁石の移動機構５を備え
ている。そして、エアシリンダ５１、ピストン５２、ロ
ッド５３などからなる移動機構５はエアシリンダ５１へ
圧送される空気の圧力によりピストン５２を移動し、ピ
ストン５２に連結されたロッド５３が永久磁石６とヨー
ク６１とを右方に移動させるように構成されている。な
お、図２の状態はエアシリンダ５１の空気口５４から送
気してピストン５２を右方に移動させ、リターダ装置を
作動させる場合が示されている。Reference numeral 3 denotes a case portion, which is an armature 4 of the retarder device.
And a moving mechanism 5 for the permanent magnet is provided inside. The moving mechanism 5 including the air cylinder 51, the piston 52, and the rod 53 moves the piston 52 by the pressure of the air that is pumped to the air cylinder 51, and the rod 53 connected to the piston 52 causes the rod 53 connected to the permanent magnet 6 and the yoke 61. It is configured to move and to the right. The state shown in FIG. 2 shows a case where air is sent from the air port 54 of the air cylinder 51 to move the piston 52 to the right to operate the retarder device.
【００１２】電機子４はコア４１とコイル４２を備え、
図１（Ａ）のようにコア４１の外周近傍には内側に向け
た多数の凸極４３が形成され、これらの凸極４３には三
相巻線のコイル４２が巻回されている。The armature 4 comprises a core 41 and a coil 42,
As shown in FIG. 1A, a large number of inward salient poles 43 are formed near the outer periphery of the core 41, and a coil 42 of a three-phase winding is wound around these salient poles 43.
【００１３】また、永久磁石６はリング状に形成された
磁石素子６Ｎ，６Ｓの組からなり、図１（Ｂ）に示すよ
うにヨーク６１の外面に所定間隔を隔てて並べて接着さ
れ、その着磁は半径方向が異なる極性となるように強力
に着磁されている。そして、前述のピストン５２による
移動時には移動機構５に取付けられた磁極５Ｎおよび５
Ｓにそれぞれ磁石素子６Ｎおよび６Ｓの外面が接触し、
これら磁極５Ｎ，５Ｓを介して外方に強い磁束を生じさ
せるものである。The permanent magnet 6 is composed of a set of ring-shaped magnet elements 6N and 6S, which are adhered to the outer surface of the yoke 61 side by side at a predetermined interval as shown in FIG. The magnets are strongly magnetized so that the radial directions have different polarities. When the piston 52 moves, the magnetic poles 5N and 5 attached to the moving mechanism 5 are moved.
The outer surfaces of the magnet elements 6N and 6S come into contact with S,
A strong magnetic flux is generated outward through these magnetic poles 5N and 5S.
【００１４】磁束の誘導子となるロータ２は磁気抵抗の
少ない２組の磁性体２Ｎ，２Ｓからなり、図３に示すよ
うに電機子４に対応する部分は複数の爪部が形成され、
内側部分は磁極５Ｎまたは５Ｓに対面し、並んだ両磁極
５Ｎ，５Ｓからの磁束を、電機子４にはＮ，Ｓ，Ｎ，Ｓ
…と配列変換し、交番磁界として導くもので、恰も周知
のオルタネータにおける爪型ポールの極数を増加した形
状に形成されている。The rotor 2 serving as a magnetic flux inductor is composed of two sets of magnetic bodies 2N and 2S having a low magnetic resistance. As shown in FIG. 3, a portion corresponding to the armature 4 has a plurality of claw portions.
The inner portion faces the magnetic poles 5N or 5S, and the magnetic fluxes from the two magnetic poles 5N and 5S arranged side by side are applied to the armature 4 by N, S, N, S.
Is arranged and converted into an alternating magnetic field, and is formed in a shape in which the number of poles of the claw pole in the known alternator is increased.
【００１５】つぎに、このように構成された本実施例の
作動を説明すると、制動力を要する場合には、まずエア
シリンダ５１の空気口５４に空気が圧送されて移動機構
５により永久磁石６とヨーク６１が右方に移動される。Next, the operation of this embodiment constructed as described above will be explained. When a braking force is required, air is first pumped to the air port 54 of the air cylinder 51 and the moving mechanism 5 causes the permanent magnet 6 to move. And the yoke 61 is moved to the right.
【００１６】この永久磁石６の移動により磁極５Ｎ，５
Ｓの下面に磁石素子６Ｎ，６Ｓがそれぞれ接触し、これ
らの磁石素子からの磁束が磁極５Ｎ，５Ｓを介して、ロ
ータ２の磁性体２Ｎ，２Ｓにそれぞれ導かれ、電機子４
のコイル４２に鎖交する。By the movement of the permanent magnet 6, the magnetic poles 5N, 5
The magnet elements 6N and 6S come into contact with the lower surface of S, and the magnetic fluxes from these magnet elements are guided to the magnetic bodies 2N and 2S of the rotor 2 via the magnetic poles 5N and 5S, respectively.
Interlinks with the coil 42 of.
【００１７】そして、この磁束の鎖交はロータ２の回転
により、それぞれの凸極４３に対しては交番磁界とな
り、この誘導によりそれぞれのコイル４２には起電力が
生じて、制動力が電気エネルギーに変換されることにな
る。The linkage of the magnetic flux produces an alternating magnetic field with respect to each of the salient poles 43 by the rotation of the rotor 2, and an electromotive force is generated in each of the coils 42 by this induction, so that the braking force is converted into electric energy. Will be converted to.
【００１８】なお、図４はこのような電気エネルギーを
制御して制動力を変化せしめるとともに、整流回路８を
介して直流電力に変換してバッテリ９の充電に利用する
もので、可変抵抗器７の制御によって制動力の可変が行
えるものである。Note that FIG. 4 is for controlling such electric energy to change the braking force and converting it into DC power through the rectifier circuit 8 for use in charging the battery 9. The variable resistor 7 The braking force can be varied by controlling the.
【００１９】以上、本発明を上述の実施例によって説明
したが、本発明の主旨の範囲内で、例えば本実施例にお
けるリング状の永久磁石を複数の弧状の永久磁石を連結
してリング状にする如く、種々の変形や応用が可能であ
り、これらを本発明の範囲から排除するものではない。The present invention has been described above with reference to the above-described embodiment. However, within the scope of the present invention, for example, the ring-shaped permanent magnet in this embodiment is formed into a ring shape by connecting a plurality of arc-shaped permanent magnets. As described above, various modifications and applications are possible, and these are not excluded from the scope of the present invention.
【００２０】[0020]
【発明の効果】上述の実施例のように本発明によれば、
並べて配置した一組の極性の異なる永久磁石からの磁束
を誘導子となるロータにより交番磁界に変換して電機子
に与え、制動力を電気エネルギーに変えるので、従来の
渦電流エネルギーを熱エネルギーとして大気に放散する
場合と異なり、省資源上の効果が得られるとともに、電
機子の発電エネルギーの制御により制動力が広範囲に可
変でき、さらに発熱部分がないため放熱器が省けるとい
う利点が生ずる。According to the present invention as in the above embodiments,
The magnetic fluxes from a pair of permanent magnets with different polarities arranged side by side are converted into an alternating magnetic field by the rotor that acts as an inductor and applied to the armature, and the braking force is converted into electrical energy. Unlike the case of being dissipated in the atmosphere, there are advantages that resources can be saved, the braking force can be varied over a wide range by controlling the power generation energy of the armature, and there is no heat generating portion, so that a radiator can be omitted.
【図１】（Ａ）は本発明の一実施例における永久磁石や
電磁機構の構成を示す断面図である。（Ｂ）は図１
（Ａ）における切断線Ｘ−Ｘに沿った断面図である。FIG. 1A is a cross-sectional view showing a configuration of a permanent magnet and an electromagnetic mechanism according to an embodiment of the present invention. (B) is FIG.
It is sectional drawing along the cutting line XX in (A).
【図２】本実施例の構成を示す説明図である。FIG. 2 is an explanatory diagram showing the configuration of the present embodiment.
【図３】本実施例におけるロータの部分斜視図である。FIG. 3 is a partial perspective view of a rotor in this embodiment.
【図４】発電エネルギーの制御や回収の活用を示すブロ
ック図である。FIG. 4 is a block diagram showing control of generated energy and utilization of recovery.
１…回転軸 ２…ロータ ４…電機子 ５…移動機構 ６…永久磁石 1 ... Rotating shaft 2 ... Rotor 4 ... Armature 5 ... Moving mechanism 6 ... Permanent magnet
Claims (1)
に制動力を与える永久磁石式リターダにおいて、車両の
走行に応じて回転し前記永久磁石の磁束を交番磁界に変
換する変換手段を備えたロータと、該ロータによる交番
磁界の誘導により発電する電機子とを有することを特徴
とする永久磁石式リターダ。1. A permanent magnet type retarder for applying a braking force to a vehicle by an electromagnetic force generated by a magnetic flux from a permanent magnet, comprising a converting means for rotating according to the running of the vehicle and converting the magnetic flux of the permanent magnet into an alternating magnetic field. A permanent magnet retarder, comprising: a rotor; and an armature that generates electric power by inducing an alternating magnetic field by the rotor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP26718691A JPH0583927A (en) | 1991-09-18 | 1991-09-18 | Permanent magnet type retarder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP26718691A JPH0583927A (en) | 1991-09-18 | 1991-09-18 | Permanent magnet type retarder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0583927A true JPH0583927A (en) | 1993-04-02 |
Family
ID=17441312
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP26718691A Pending JPH0583927A (en) | 1991-09-18 | 1991-09-18 | Permanent magnet type retarder |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0583927A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001082455A1 (en) * | 2000-04-20 | 2001-11-01 | Yoshikazu Ogawa | Multipolar brushless motor |
| US6597427B1 (en) | 1999-07-06 | 2003-07-22 | International Business Machines Corporation | Liquid crystal panel, display device, identification mark detection device, detection display system, TFT array repair device and identification mark detection method |
| JP2011182574A (en) * | 2010-03-02 | 2011-09-15 | Sumitomo Metal Ind Ltd | Eddy current type reduction gear with power regeneration function |
| CN105993119A (en) * | 2014-02-17 | 2016-10-05 | 新日铁住金株式会社 | Eddy current deceleration device equipped with power generation function |
-
1991
- 1991-09-18 JP JP26718691A patent/JPH0583927A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6597427B1 (en) | 1999-07-06 | 2003-07-22 | International Business Machines Corporation | Liquid crystal panel, display device, identification mark detection device, detection display system, TFT array repair device and identification mark detection method |
| WO2001082455A1 (en) * | 2000-04-20 | 2001-11-01 | Yoshikazu Ogawa | Multipolar brushless motor |
| JP2011182574A (en) * | 2010-03-02 | 2011-09-15 | Sumitomo Metal Ind Ltd | Eddy current type reduction gear with power regeneration function |
| CN105993119A (en) * | 2014-02-17 | 2016-10-05 | 新日铁住金株式会社 | Eddy current deceleration device equipped with power generation function |
| US20170005561A1 (en) * | 2014-02-17 | 2017-01-05 | Nippon Steel & Sumitomo Metal Corporation | Eddy current retarder with electricity generating function |
| US20190393764A1 (en) * | 2014-02-17 | 2019-12-26 | Nippon Steel Corporation | Eddy current retarder with electricity generating function |
| US10734881B2 (en) | 2014-02-17 | 2020-08-04 | Nippon Steel Corporation | Eddy current retarder with electricity generating function |
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