JPH02130339U - - Google Patents
Info
- Publication number
- JPH02130339U JPH02130339U JP3963689U JP3963689U JPH02130339U JP H02130339 U JPH02130339 U JP H02130339U JP 3963689 U JP3963689 U JP 3963689U JP 3963689 U JP3963689 U JP 3963689U JP H02130339 U JPH02130339 U JP H02130339U
- Authority
- JP
- Japan
- Prior art keywords
- armature
- boron
- iron
- leaf spring
- based material
- 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
- QJVKUMXDEUEQLH-UHFFFAOYSA-N [B].[Fe].[Nd] Chemical compound [B].[Fe].[Nd] QJVKUMXDEUEQLH-UHFFFAOYSA-N 0.000 claims 1
- 229910052796 boron Inorganic materials 0.000 claims 1
- 230000004907 flux Effects 0.000 claims 1
- 229910001172 neodymium magnet Inorganic materials 0.000 claims 1
- 238000004904 shortening Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 1
Landscapes
- Dot-Matrix Printers And Others (AREA)
Description
第１図は本考案のワイヤドツト印字ヘツドの断
面図、第２図は本考案のワイヤドツト印字ヘツド
の通電時間の制御回路図、第３図は本考案のワイ
ヤドツト印字ヘツドの吸引ストロークと吸引力の
関係を示す図、第４図は従来のバネチヤージ型の
ワイヤドツト印字ヘツドの断面図、第５図は磁気
回路相互間の磁気干渉を説明するためのコア展開
図である。
３……ベース、４……永久磁石、５……台板、
６……スペーサ、７……バイアス用板バネ、８…
…ヨーク、１０……アーマチユア、１１……印字
ワイヤ、１２……コア、１３……コイル、２１…
…コンパレータ、２２……マイクロプロセツサ、
２３……駆動ドライバ、２４……印字ヘツド。
Figure 1 is a sectional view of the wire dot print head of the present invention, Figure 2 is a circuit diagram for controlling the energization time of the wire dot print head of the present invention, and Figure 3 is the relationship between the suction stroke and suction force of the wire dot print head of the present invention. FIG. 4 is a sectional view of a conventional spring charge type wire dot printing head, and FIG. 5 is a developed core diagram for explaining magnetic interference between magnetic circuits. 3... Base, 4... Permanent magnet, 5... Base plate,
6... Spacer, 7... Bias plate spring, 8...
... Yoke, 10 ... Armature, 11 ... Printing wire, 12 ... Core, 13 ... Coil, 21 ...
...Comparator, 22...Microprocessor,
23... Drive driver, 24... Print head.
Claims (1)
該アーマチユアに対向して設けられるコアと、上
記アーマチユアを固定するとともに片持ち梁式に
支持されるバイアス用板バネと、上記コアに巻装
され、励磁時に磁束を発生して上記アーマチユア
を揺動するコイルとからなるワイヤドツト印字ヘ
ツドにおいて、 (a) 永久磁石をネオジウム・鉄・ボロン系又は
ランタノイド・鉄・ボロン系の材料で構成すると
ともに、 (b) ワイヤドツト印字ヘツドの温度を検出する
手段と、 (c) 該検出した温度が設定温度以上のときコイ
ルへの通電時間を短くする手段とを設けたことを
特徴とするワイヤドツト印字ヘツド。[Scope of claim for utility model registration] An armature with a printing wire fixed to the tip,
a core provided opposite to the armature; a bias leaf spring that fixes the armature and is supported in a cantilever manner; and a bias leaf spring that is wound around the core and generates magnetic flux when excited to swing the armature. (a) a permanent magnet made of a neodymium-iron-boron-based material or a lanthanide-iron-boron-based material; (b) means for detecting the temperature of the wire dot printing head; (c) A wire dot print head characterized in that it is provided with means for shortening the energization time to the coil when the detected temperature is higher than a set temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3963689U JPH02130339U (en) | 1989-04-05 | 1989-04-05 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3963689U JPH02130339U (en) | 1989-04-05 | 1989-04-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02130339U true JPH02130339U (en) | 1990-10-26 |
Family
ID=31548723
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3963689U Pending JPH02130339U (en) | 1989-04-05 | 1989-04-05 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02130339U (en) |
-
1989
- 1989-04-05 JP JP3963689U patent/JPH02130339U/ja active Pending
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