JPS635165Y2 - - Google Patents
Info
- Publication number
- JPS635165Y2 JPS635165Y2 JP1981158540U JP15854081U JPS635165Y2 JP S635165 Y2 JPS635165 Y2 JP S635165Y2 JP 1981158540 U JP1981158540 U JP 1981158540U JP 15854081 U JP15854081 U JP 15854081U JP S635165 Y2 JPS635165 Y2 JP S635165Y2
- Authority
- JP
- Japan
- Prior art keywords
- magnetron
- press
- vacuum tube
- fitted
- wall
- 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
- 239000003990 capacitor Substances 0.000 claims description 6
- 238000010586 diagram Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
Landscapes
- Control Of High-Frequency Heating Circuits (AREA)
- Microwave Tubes (AREA)
Description
【考案の詳細な説明】
産業上の利用分野
本考案は電子レンジに組み込まれるマグネトロ
ンに関し、更に詳しくは、マグネトロン駆動回路
を構成する高圧コンデンサの放電用抵抗を真空管
内部に設けたマグネトロンに関する。[Detailed Description of the Invention] Industrial Application Field The present invention relates to a magnetron incorporated in a microwave oven, and more particularly to a magnetron in which a resistor for discharging a high-voltage capacitor constituting a magnetron drive circuit is provided inside a vacuum tube.
従来技術
第１図は従来におけるマグネトロンの電源回路
であり、高圧トランス１の１次巻線にはスイツチ
２を介して交流電源が接続され、２次巻線には高
圧コンデンサ３と高圧ダイオード４が直列接続さ
れて半波倍電圧整流回路が形成され、該整流回路
の出力側にマグネトロンが接続されている。Prior Art Figure 1 shows a conventional magnetron power supply circuit, in which an AC power source is connected to the primary winding of a high-voltage transformer 1 via a switch 2, and a high-voltage capacitor 3 and a high-voltage diode 4 are connected to the secondary winding. They are connected in series to form a half-wave voltage doubler rectifier circuit, and a magnetron is connected to the output side of the rectifier circuit.
そして、高圧コンデンサ４及びマグネトロン６
の貫通コンデンサに充電された高電圧を電源
OFF時速やかに放電させ、サービスマンが点検，
修理する際の安全を確保する放電用抵抗５が高圧
ダイオード４と並列に接続されている。 And high voltage capacitor 4 and magnetron 6
The high voltage charged to the feed-through capacitor of
OFF Discharge quickly and have a service person inspect it.
A discharge resistor 5 is connected in parallel with the high voltage diode 4 to ensure safety during repair.
考案が解決しようとする問題点
上記放電用抵抗５は定格電圧数KV，定格抵抗
数＋ＭΩのものが要求され、安定した性能，品質
を維持するためには耐電圧及び雰囲気湿度に十分
な配慮を施す必要があり、部品コストが高くなつ
たり取付けコストが高くなるという問題点があつ
た。Problems to be solved by the invention The discharge resistor 5 is required to have a rated voltage of KV and a rated resistance of + MΩ, and in order to maintain stable performance and quality, sufficient consideration must be given to withstand voltage and atmospheric humidity. However, there were problems in that the parts cost and installation cost were high.
問題点を解決するための手段
上記放電用抵抗を、マグネトロンの真空管内に
配設された陰極リードの一方に圧入するスリーブ
部と、真空管を構成する陽極外壁の内周に圧入す
る鍔部と、該鍔部と前記陰極リードの他方が接触
しないように設けた逃し部とからなる鍔付きスリ
ーブ形状に形成し、
スリーブ部を前記陰極リードの一方に圧入接続
すると共に、鍔部を前記陽極外壁の内周に圧入接
続してマグネトロンの真空管内に配設する。Means for Solving the Problems: A sleeve portion that press-fits the discharge resistor into one of the cathode leads disposed in the vacuum tube of the magnetron, and a collar portion that press-fits the discharge resistor into the inner periphery of the anode outer wall constituting the vacuum tube. The sleeve is formed in the shape of a flange, consisting of the flange and a relief part provided to prevent the other cathode lead from coming into contact with each other, and the sleeve is press-fitted to one of the cathode leads, and the flange is connected to the anode outer wall. It is press-fitted into the inner periphery and placed inside the magnetron's vacuum tube.
作 用
放電用抵抗を真空中に置くことにより性能，品
質が安定する。従つて定格電圧の低いものの使用
が可能となる。Function Performance and quality are stabilized by placing the discharge resistor in a vacuum. Therefore, it is possible to use a device with a low rated voltage.
又、放電用抵抗の取付けが真空管内部の陰極リ
ードの一方と陽極外壁とに圧入接続するだけとい
う極めて簡単なものとなる。 Further, the installation of the discharge resistor is extremely simple, as it is simply press-fitted to one of the cathode leads inside the vacuum tube and the anode outer wall.
実施例
以下、本考案の一実施例を第２図乃至第４図に
基づいて説明する。Embodiment An embodiment of the present invention will be described below with reference to FIGS. 2 to 4.
尚、従来例と同一箇所には同一符号を付してそ
の説明は省略する。 Incidentally, the same parts as in the conventional example are given the same reference numerals, and the explanation thereof will be omitted.
本考案は電気回路上での放電用抵抗７の結線位
置をマグネトロン８の真空管内で接続できるよう
に工夫した上、真空管内部の陽極外壁９と陰極リ
ード１０の一方との間に圧入接続できるようにし
た点である。 In the present invention, the connection position of the discharge resistor 7 on the electric circuit has been devised so that it can be connected inside the vacuum tube of the magnetron 8, and it can also be press-fitted between the anode outer wall 9 and one of the cathode leads 10 inside the vacuum tube. This is the point I made.
放電用抵抗７はマグネトロン８の真空管内に配
設された陰極リード１０の一方に圧入するスリー
ブ部７ａと真空管を構成する陽極外壁９の内周に
圧入する鍔部７ｂと、該鍔部７ｂと前記陰極リー
ド１０の他方が接触しないように設けた逃し部７
ｃとからなる鍔付きスリーブ形状に形成したセラ
ミツク体の表面に配化物導電体をスパツタリング
又は印刷焼成して造つている。 The discharge resistor 7 includes a sleeve portion 7a that is press-fitted into one of the cathode leads 10 disposed in the vacuum tube of the magnetron 8, a flange portion 7b that is press-fitted into the inner periphery of the anode outer wall 9 constituting the vacuum tube, and the flange portion 7b. A relief part 7 provided so that the other cathode lead 10 does not come into contact with it.
The compound conductor is made by sputtering or printing and firing on the surface of a ceramic body formed in the shape of a sleeve with a flange.
この放電用抵抗７の取付けは、スリーブ部７ａ
及び逃し部７ｃに第４図に示す如く陰極リード１
０の一方及び他方を圧入接続及び挿通し、鍔部７
ｂを第３図に示す如く陽極外壁９の内周に圧入接
続するだけで完了する。 The discharging resistor 7 is attached to the sleeve portion 7a.
and the cathode lead 1 in the relief part 7c as shown in FIG.
Press-fit connection and insertion of one and the other of 0, and flange part 7
The process is completed simply by press-fitting and connecting b to the inner periphery of the anode outer wall 9 as shown in FIG.
尚、図中の１１は陰極リード１０．１０を支持
するフイラメントステムである。 Note that 11 in the figure is a filament stem that supports the cathode lead 10.10.
効 果
本考案により、放電用抵抗の性能，品質が安定
すると共に、従来のものに比べ定格電圧の低いも
のを使用してコストダウンを計ることができる。Effects The present invention not only stabilizes the performance and quality of the discharge resistor, but also reduces costs by using a resistor with a lower rated voltage than conventional resistors.
又、取付け，接続等の組立作業性が向上し、組
立コストのコストダウンが計れる。 Furthermore, assembly workability such as mounting and connection is improved, and assembly costs can be reduced.
第１図は従来のマグネトロンの電源回路図、第
２図は本考案によるマグネトロンの電源回路図、
第３図は本考案の一実施例を示すマグネトロンの
要部断面図、第４図は本考案の一実施例を示すマ
グネトロンの要部分解斜視図である。
符号、１……高圧トランス、３……高圧コンデ
ンサ、７……放電用抵抗、８……マグネトロン、
９……陽極外壁、１０……陰極リード。
Figure 1 is a power supply circuit diagram of a conventional magnetron, Figure 2 is a power supply circuit diagram of a magnetron according to the present invention,
FIG. 3 is a sectional view of a main part of a magnetron showing an embodiment of the present invention, and FIG. 4 is an exploded perspective view of a main part of a magnetron showing an embodiment of the present invention. Code, 1... High voltage transformer, 3... High voltage capacitor, 7... Discharge resistor, 8... Magnetron,
9... Anode outer wall, 10... Cathode lead.
Claims (1)
サ３の放電用抵抗７を、 マグネトロンの真空管内に配設された陰極リー
ド１０の一方に圧入するスリーブ部７ａと、真空
管を構成する陽極外壁９の内周に圧入する鍔部７
ｂと、該鍔部７ｂと前記陰極リード１０の他方が
接触しないように設けた逃し部７ｃとからなる鍔
付きスリーブ形状に形成し、 スリーブ部７ａを前記陰極リード１０の一方に
圧入接続すると共に、鍔部７ｂを前記陽極外壁９
の内周に圧入接続してマグネトロンの真空管内に
配設したことを特徴とするマグネトロン。[Claim for Utility Model Registration] A sleeve portion 7a that press-fits a discharge resistor 7 of a high-voltage capacitor 3 constituting a magnetron drive circuit into one side of a cathode lead 10 disposed inside a vacuum tube of a magnetron, and a vacuum tube is constructed. Flange portion 7 press-fitted into the inner periphery of the anode outer wall 9
b, and a relief part 7c provided so that the other part of the cathode lead 10 does not come into contact with the collar part 7b, and the sleeve part 7a is press-fitted to one of the cathode leads 10 and connected , the flange 7b is attached to the anode outer wall 9
A magnetron characterized by being press-fitted into the inner circumference of the magnetron and placed inside the vacuum tube of the magnetron.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15854081U JPS5864055U (en) | 1981-10-23 | 1981-10-23 | magnetron |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15854081U JPS5864055U (en) | 1981-10-23 | 1981-10-23 | magnetron |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5864055U JPS5864055U (en) | 1983-04-30 |
| JPS635165Y2 true JPS635165Y2 (en) | 1988-02-12 |
Family
ID=29951032
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15854081U Granted JPS5864055U (en) | 1981-10-23 | 1981-10-23 | magnetron |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5864055U (en) |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5331961U (en) * | 1976-08-25 | 1978-03-18 | ||
| JPS55140243U (en) * | 1979-03-28 | 1980-10-06 |
-
1981
- 1981-10-23 JP JP15854081U patent/JPS5864055U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5864055U (en) | 1983-04-30 |
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