JPH0815046B2 - Magnetron equipment - Google Patents
Magnetron equipmentInfo
- Publication number
- JPH0815046B2 JPH0815046B2 JP61300991A JP30099186A JPH0815046B2 JP H0815046 B2 JPH0815046 B2 JP H0815046B2 JP 61300991 A JP61300991 A JP 61300991A JP 30099186 A JP30099186 A JP 30099186A JP H0815046 B2 JPH0815046 B2 JP H0815046B2
- Authority
- JP
- Japan
- Prior art keywords
- magnetron
- horizontal
- vertical
- radiator
- blades
- 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 - Fee Related
Links
- 238000001816 cooling Methods 0.000 claims description 15
- 230000002093 peripheral effect Effects 0.000 claims description 7
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 6
- 230000017525 heat dissipation Effects 0.000 description 6
- 238000005192 partition Methods 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 229910000859 α-Fe Inorganic materials 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000004323 axial length Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000000191 radiation effect Effects 0.000 description 1
- 238000000638 solvent extraction Methods 0.000 description 1
Landscapes
- Microwave Tubes (AREA)
Description
【発明の詳細な説明】 産業上の利用分野 本発明は、電子レンジ等に用いられる強制空冷型のマ
グネトロン装置に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a forced air cooling type magnetron device used in a microwave oven or the like.
従来の技術 一般に、電子レンジ等に用いられる強制空冷型のマグ
ネトロン装置のラジエータは、多数の放熱翼板からな
り、この放熱翼板はマグネトロンの陽極筒体の外周面に
多段にとりつけられる。そして、放熱翼板間に強制空冷
用気流を流通させるので、動作時におけるマグネトロン
の温度上昇が緩和され、マグネトロンが異常高温となる
ことによる動作不能や励磁用永久磁石の高温減磁を防止
することができる。2. Description of the Related Art Generally, a radiator of a forced air cooling type magnetron device used in a microwave oven or the like is composed of a large number of heat radiating blades, and the heat radiating blades are mounted in multiple stages on the outer peripheral surface of the anode cylinder of the magnetron. Since the forced air cooling airflow is circulated between the radiator blades, the temperature rise of the magnetron during operation is mitigated, preventing the magnetron from becoming inoperable due to abnormally high temperature and demagnetizing the permanent magnet for excitation at high temperature. You can
発明が解決しようとする問題点 ところで、マグネトロンの陽極筒体の外周面に多数の
放熱翼板を順次にとりつけるやっかいな作業は多量生産
に適さず、しかも、第５図に示すように陽極筒体１の外
周面上に圧入等の方法でとりつけられた放熱翼板２の円
筒部３上に、次いでとりつけた放熱翼板４の円筒部５が
重なりやすく、このようなことがあると放熱翼板間隔に
不同を生じるのみならず、円筒部５を陽極筒体１に広い
面積で密着させ得なくなり、良好な放熱効果を得ること
が困難になる。また、陽極筒体１が装置動作の都度、熱
膨張および収縮を繰り返すことにより、陽極筒体１に嵌
合している円筒部５が、その突出方向で決まる一方向へ
陽極筒体上を除々に滑動して位置ずれを生じやすいとい
う問題点もあった。とくに、陽極筒体１は外部磁気回路
の枠状継鉄内に固定されており、放熱翼板２の両側部も
前記枠状継鉄の両側壁に当接しているので、円筒部５が
前述のように位置ずれすると、放熱翼板２に変形を生じ
ることがある。Problems to be Solved by the Invention By the way, the troublesome work of sequentially attaching a large number of heat radiation vanes to the outer peripheral surface of the anode cylinder of the magnetron is not suitable for mass production, and as shown in FIG. The cylindrical portion 5 of the heat radiating blade 4 attached next is likely to overlap with the cylindrical portion 3 of the heat radiating blade 2 attached on the outer peripheral surface of 1 by a method such as press fitting. Not only are the intervals not uniform, but the cylindrical portion 5 cannot be brought into close contact with the anode cylinder 1 over a wide area, making it difficult to obtain a good heat dissipation effect. In addition, by repeating thermal expansion and contraction of the anode cylinder 1 each time the device operates, the cylindrical portion 5 fitted into the anode cylinder 1 gradually moves on the anode cylinder in one direction determined by the protruding direction thereof. There was also a problem in that it was likely to slip and slip out of position. Particularly, since the anode cylinder 1 is fixed in the frame-like yoke of the external magnetic circuit, and both side portions of the heat radiating vane 2 are also in contact with both side walls of the frame-like yoke, the cylindrical portion 5 is described above. If the position is displaced as described above, the heat dissipation vane 2 may be deformed.
問題点を解決するための手段 本発明のマグネトロン装置は、マグネトロンと、この
マグネトロンの陽極筒体の外周面にとりつけられたラジ
エータと、前記マグネトロンを励磁するための外部磁気
回路とを備えてなり、前記ラジエータは強制空冷用気流
の流通路を介して多段に配設された水平翼部と、この水
平翼部同士を橋絡して前記気流の流通路を中央領域およ
び両端領域に分断する一対の垂直翼部と、前記水平翼部
と前記垂直翼部との交差領域から突出した傾斜翼部とを
有し、前記水平翼部の中央領域に前記陽極筒体を貫通さ
せる円筒部が形成されるとともに、前記水平翼部と前記
垂直翼部と前記傾斜翼部とが一体形成されており、前記
傾斜翼部の先端縁を前記外部磁気回路の四角枠状継鉄の
コーナー部に当接して前記水平翼部に対して垂直方向の
位置を規制するものである。Means for Solving Problems The magnetron device of the present invention comprises a magnetron, a radiator attached to the outer peripheral surface of the anode cylinder of the magnetron, and an external magnetic circuit for exciting the magnetron, The radiator is a pair of horizontal blades arranged in multiple stages via a forced air-cooling airflow passage, and a pair of bridges connecting the horizontal blades to divide the airflow passage into a central region and both end regions. A vertical blade portion and an inclined blade portion projecting from an intersection region of the horizontal blade portion and the vertical blade portion are formed, and a cylindrical portion for penetrating the anode cylinder is formed in a central region of the horizontal blade portion. Along with, the horizontal wing portion, the vertical wing portion, and the inclined wing portion are integrally formed, and the tip edge of the inclined wing portion is brought into contact with the corner portion of the quadrangular frame-shaped yoke of the external magnetic circuit. Hanging against the horizontal wing The position in the vertical direction is regulated.
作用 このように構成すると、マグネトロンの陽極筒体にラジ
エータを一挙にとりつけることが可能となるのみなら
ず、水平翼部から突出した円筒部が垂直翼部による隔壁
規制作用を受けて相互に重なり合うことがなくなり、陽
極筒体の外周面に広い面積で密着して良好な放熱作用を
営む。また、空冷用気流の流通路を前記垂直翼部による
隔壁作用でマグネトロン側へ指向させ得ることから、放
熱効果を一層高めることができる。そのうえ、枠状継鉄
内でのラジェータの位置ずれおよびそれによるラジエー
タの変形を、前記傾斜翼部による突っ張り作用で防止す
ることができる。Function With this structure, not only can the radiator be attached to the anode cylinder of the magnetron all at once, but the cylindrical parts protruding from the horizontal blades will also overlap each other due to the partitioning control effect of the vertical blades. Is eliminated, and it adheres to the outer peripheral surface of the anode cylinder over a wide area to perform good heat dissipation. Further, since the flow passage of the air cooling airflow can be directed to the magnetron side by the partition action of the vertical blade portion, the heat radiation effect can be further enhanced. In addition, the displacement of the radiator in the frame yoke and the resulting deformation of the radiator can be prevented by the bracing action of the inclined blade portion.
実施例 つぎに本発明を図面に示した実施例とともに詳しく説
明する。EXAMPLES Next, the present invention will be described in detail with reference to the examples shown in the drawings.
第１図において、マグネトロン６の陽極筒体１の外周
面にとりつけられているラジエータ７は、アルミニウム
またはその合金からなり、第２図および第３図に示すよ
うな断面形状を有している。ラジエータ７の各水平翼部
８は強制空冷用気流の流通路を介して多段に配設されて
おり、各水平翼部８にはマグネトロン６の陽極筒体１を
貫通させるための円筒部９が付加形成されている。ま
た、水平翼部８間には、水平翼部８を相互に橋絡する左
右一対の垂直翼部10,10が設けられており、この垂直翼
部10,10は強制空冷用気流の流通路を中央領域および両
端領域に３分断している。そして、垂直翼部10,10によ
って水平翼部８の相互間隔Ｄが規制される。さらに、水
平翼部８と垂直翼部10との交差領域から傾斜翼部11が突
出している。相互間隔Ｄは円筒部９の軸方向長Ｌと同等
か、それよりも若干大きく（Ｄ＞Ｌ）、円筒部９と垂直
翼部10との最短間隔Ａは、円筒部９の外径Ｂの10〜30％
となされている。In FIG. 1, a radiator 7 attached to the outer peripheral surface of the anode cylinder 1 of the magnetron 6 is made of aluminum or its alloy and has a cross-sectional shape as shown in FIGS. 2 and 3. Each horizontal blade portion 8 of the radiator 7 is arranged in multiple stages via the flow passage of the forced air cooling air flow, and each horizontal blade portion 8 has a cylindrical portion 9 for penetrating the anode cylinder 1 of the magnetron 6. It is formed additionally. Further, a pair of left and right vertical blades 10, 10 bridging the horizontal blades 8 are provided between the horizontal blades 8. The vertical blades 10, 10 are provided for the forced air cooling airflow passage. Is divided into a central region and both end regions. The vertical blades 10, 10 regulate the mutual distance D between the horizontal blades 8. Further, the inclined wing portion 11 projects from the intersecting region of the horizontal wing portion 8 and the vertical wing portion 10. The mutual distance D is equal to or slightly larger than the axial length L of the cylindrical portion 9 (D> L), and the shortest distance A between the cylindrical portion 9 and the vertical blade portion 10 is the outer diameter B of the cylindrical portion 9. 10-30%
Has been made.
このようなラジエータ７は、水平翼部８と垂直翼部1
0,10と傾斜翼部11とが押し出し成型によって一体形成さ
れた長尺のものを所定寸度で切断したのち、円筒部９を
プレス加工で形成することにより比較的廉価に得ること
ができ、しかも、マグネトロン６の陽極筒体１に一挙に
とりつけることができる。また、円筒部９が相互に重な
り合うことはなくなり陽極筒体１に密着する。Such a radiator 7 has a horizontal wing 8 and a vertical wing 1.
It can be obtained at a relatively low cost by cutting a long piece integrally formed by extrusion molding with 0, 10 and the inclined blade portion 11 to a predetermined dimension, and then forming the cylindrical portion 9 by pressing. Moreover, the magnetron 6 can be attached to the anode cylinder 1 at once. Further, the cylindrical portions 9 do not overlap with each other, and are in close contact with the anode cylinder 1.
マグネトロン６の一方の磁極部12上には、フェライト
製円環状の永久磁石13が同軸的に積み重ねられ、この磁
石13の外側磁極Ｓが四角枠状の継鉄14を通じていま一つ
のフェライト製円環状の永久磁石15の外側磁極Ｎに磁気
的に結合されている。そして、磁石15の内側磁極Ｓがマ
グネトロン６の他方の磁極部16に磁気的に結合されてい
る。つまり、永久磁石13、15および枠状継鉄14が、マグ
ネトロン６に対する外部磁気回路を構成している。そし
て、ラジエータ７の傾斜翼部11の先端縁が、四角枠状継
鉄14のコーナ部に当接して水平翼部８に対して垂直方向
に位置規制され、これによってラジエータ７およびマグ
ネトロン６はともに枠状継鉄14内で移動せず、両者の相
対的位置にずれを生じることがなくなる。An annular permanent magnet 13 made of ferrite is coaxially stacked on one magnetic pole portion 12 of the magnetron 6, and the outer magnetic pole S of this magnet 13 is passed through another yoke 14 in the shape of a square frame to make another ferrite annular ring. Is magnetically coupled to the outer magnetic pole N of the permanent magnet 15. The inner magnetic pole S of the magnet 15 is magnetically coupled to the other magnetic pole portion 16 of the magnetron 6. That is, the permanent magnets 13 and 15 and the frame yoke 14 form an external magnetic circuit for the magnetron 6. Then, the tip edge of the inclined blade portion 11 of the radiator 7 abuts on the corner portion of the rectangular frame yoke 14 and is positionally regulated in the vertical direction with respect to the horizontal blade portion 8, whereby both the radiator 7 and the magnetron 6 are placed. The frame-shaped yoke 14 does not move within the frame-shaped yoke 14, and the relative positions of the two do not shift.
第４図に示すように、ラジエータ７の水平翼部8,8間
を流通する強制空冷用気流17のうち、一対の垂直翼部1
0,10間の中央領域に入ったものは、マグネトロン６の陽
極筒体１の近傍で両側方へ分流するが、一対の垂直翼部
10,10による隔壁作用のために両側方へ大きく偏向する
ことはなく、陽極筒体１と垂直翼部10との間の狭小部を
高密度で進行したのち内方へ大きく向きを変える。この
ため、マグネトロン６の陽極筒体１の全周およびその近
傍のラジエータ部分をよりよく空冷することができる。
また、垂直翼部10と枠状継鉄14の側壁との間を流通する
空冷用気流は垂直翼部10に沿って直進し、この領域にお
けるラジエータ部分も適度に空冷されるので、垂直翼部
10による放熱面積の拡大と相まって良好な放熱効果を得
ることができる。As shown in FIG. 4, of the forced air cooling airflow 17 flowing between the horizontal blades 8 of the radiator 7, the pair of vertical blades 1
Those entering the central region between 0 and 10 are shunted to both sides in the vicinity of the anode cylinder 1 of the magnetron 6, but a pair of vertical blades
There is no large deflection to the both sides due to the partition wall action by 10,10, and the narrow portion between the anode cylinder 1 and the vertical blade portion 10 is advanced at a high density and then largely inwardly changed. For this reason, the entire circumference of the anode cylinder 1 of the magnetron 6 and the radiator portion in the vicinity thereof can be better cooled by air.
Further, the air-cooling airflow flowing between the vertical blade portion 10 and the side wall of the frame-shaped yoke 14 goes straight along the vertical blade portion 10, and the radiator portion in this region is also appropriately air-cooled.
Along with the expansion of the heat dissipation area by 10, a good heat dissipation effect can be obtained.
円筒部９と垂直翼部10との最短間隔Ａが円筒部９の外
径Ｂの10％未満になると、最短間隔Ａにおける空気抵抗
が増し、一対の垂直翼部10,10間に流入する空冷用気流
に減少をきたす。また、最短間隔Ａが外径Ｂの30％を越
えると、前述のような偏向角狭小化の作用を十分に得る
ことができなくなる。When the shortest distance A between the cylindrical portion 9 and the vertical blade portion 10 becomes less than 10% of the outer diameter B of the cylindrical portion 9, the air resistance at the shortest distance A increases and the air cooling flowing between the pair of vertical blade portions 10 and 10 is increased. Decrease air flow. Further, when the shortest distance A exceeds 30% of the outer diameter B, it becomes impossible to sufficiently obtain the above-described action of narrowing the deflection angle.
発明の効果 以上のように本発明によると、ラジエータに垂直翼部
を付加して多数の水平翼部を一体化するので、マグネト
ロンの陽極筒体に対するとりつけ作業を簡素化できるの
みならず、円筒部同士の重なり合いをなくし得て、陽極
筒体に広い面積で密着せしめ得、効率のよい空冷効果を
得ることができる。しかも、かかるラジエータは押し出
し成型とプレス加工とによって比較的安価に得ることが
できるのみならず、垂直翼部による隔壁作用で空冷用気
流の流通路を最適ならしめ得る。さらには、マグネトロ
ンとラジエータとを常に一定の関係にずれなく位置せし
め得、ここにずれを生じることによる冷却効果の低下お
よびラジエータの変形を防止することができる。As described above, according to the present invention, since the vertical blades are added to the radiator to integrate a large number of horizontal blades, not only can the mounting work on the anode cylinder of the magnetron be simplified, but also the cylindrical portion It is possible to eliminate the overlap between the two and to make them adhere to the anode cylinder over a wide area, thereby obtaining an efficient air cooling effect. Moreover, not only can such a radiator be obtained at a relatively low cost by extrusion molding and press working, but also the flow passage of the air cooling air flow can be optimized by the partition effect of the vertical blades. Further, the magnetron and the radiator can be always positioned in a fixed relationship without deviation, and the cooling effect can be prevented from being lowered and the radiator can be prevented from being deformed due to the deviation.
第１図は本発明を実施したマグネトロン装置の一部破断
斜視図、第２図は同装置の側断面図、第３図は同装置の
ラジエータの側断面図、第４図は同装置の空冷用気流の
流通路を示す平面図、第５図は従来のマグネトロン装置
の放熱翼板とりつけ部の斜視図である。 ６……マグネトロン、７……ラジエータ、８……水平翼
部、９……円筒部、10……垂直翼部、11……傾斜翼部、
14……枠状継鉄。1 is a partially cutaway perspective view of a magnetron device embodying the present invention, FIG. 2 is a side sectional view of the same device, FIG. 3 is a side sectional view of a radiator of the same device, and FIG. 4 is air cooling of the same device. FIG. 5 is a plan view showing a flow passage of an air flow, and FIG. 5 is a perspective view of a heat dissipation vane mounting portion of a conventional magnetron device. 6 ... Magnetron, 7 ... Radiator, 8 ... Horizontal blade, 9 ... Cylindrical portion, 10 ... Vertical blade, 11 ... Inclined blade,
14 …… Frame-shaped yoke.
Claims (1)
筒体の外周面にとりつけられたラジエータと、前記マグ
ネトロンを励磁するための外部磁気回路とを備えてな
り、前記ラジエータは強制空冷用気流の流通路を介して
多段に配設された水平翼部と、この水平翼部同士を橋絡
して前記気流の流通路を中央領域および両端領域に分断
する一対の垂直翼部と、前記水平翼部と前記垂直翼部と
の交差領域から突出した傾斜翼部とを有し、前記水平翼
部の中央領域に前記陽極筒体を貫通させる円筒部が形成
されるとともに、前記水平翼部と前記垂直翼部と前記傾
斜翼部とが一体形成されており、前記傾斜翼部の先端縁
を前記外部磁気回路の四角枠状継鉄のコーナー部に当接
して前記水平翼部に対して垂直方向の位置を規制するこ
とを特徴とするマグネトロン装置。1. A magnetron, a radiator attached to an outer peripheral surface of an anode cylinder of the magnetron, and an external magnetic circuit for exciting the magnetron, the radiator being a passage for a forced air cooling air flow. Horizontal blades arranged in multiple stages via, a pair of vertical blades bridging the horizontal blades to divide the flow passage of the airflow into a central region and both end regions, and the horizontal blades. A horizontal blade portion and a vertical blade are formed while forming a cylindrical portion that penetrates the anode cylinder in a central region of the horizontal blade portion, the inclined blade portion protruding from a crossing region with the vertical blade portion. Portion and the inclined wing portion are integrally formed, and the tip end edge of the inclined wing portion is brought into contact with the corner portion of the rectangular frame yoke of the external magnetic circuit so as to be positioned in the vertical direction with respect to the horizontal blade portion. A mug characterized by regulating Tron equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61300991A JPH0815046B2 (en) | 1986-12-17 | 1986-12-17 | Magnetron equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61300991A JPH0815046B2 (en) | 1986-12-17 | 1986-12-17 | Magnetron equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63152836A JPS63152836A (en) | 1988-06-25 |
| JPH0815046B2 true JPH0815046B2 (en) | 1996-02-14 |
Family
ID=17891511
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61300991A Expired - Fee Related JPH0815046B2 (en) | 1986-12-17 | 1986-12-17 | Magnetron equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0815046B2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04104136U (en) * | 1991-02-18 | 1992-09-08 | デンヨー株式会社 | Door opening/closing mechanism for engine-driven work equipment |
| KR102828471B1 (en) * | 2015-09-22 | 2025-07-01 | 어플라이드 머티어리얼스, 인코포레이티드 | Magnetron having enhanced cooling characteristics |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5483856U (en) * | 1977-11-24 | 1979-06-14 | ||
| JPS5728373Y2 (en) * | 1978-09-01 | 1982-06-21 |
-
1986
- 1986-12-17 JP JP61300991A patent/JPH0815046B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63152836A (en) | 1988-06-25 |
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