JPH02130338U - - Google Patents
Info
- Publication number
- JPH02130338U JPH02130338U JP3963589U JP3963589U JPH02130338U JP H02130338 U JPH02130338 U JP H02130338U JP 3963589 U JP3963589 U JP 3963589U JP 3963589 U JP3963589 U JP 3963589U JP H02130338 U JPH02130338 U JP H02130338U
- Authority
- JP
- Japan
- Prior art keywords
- armature
- core
- temperature
- leaf spring
- wire dot
- 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
- 230000004907 flux Effects 0.000 claims 2
- 230000007423 decrease Effects 0.000 claims 1
- 238000004904 shortening Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
- 239000000945 filler Substances 0.000 description 1
- 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に使用される補償ヨークの温
度特性を示す図、第４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５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６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、１７…
…充填材、１８……補償ヨーク、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 temperature of the compensation yoke used in the wire dot print head of the present invention. Figure 4 is a diagram showing the relationship between the suction stroke and suction force of the wire dot print head of the present invention, Figure 5 is a sectional view of a conventional spring charge type wire dot print head, and Figure 6 is a diagram showing the relationship between the magnetic circuits. FIG. 3 is a developed core diagram for explaining magnetic interference between the two. 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, 17 ...
... Filler, 18 ... Compensation yoke, 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、ヨーク、アーマチユア、コア等
によつて構成される主磁気回路の中に、温度が上
昇するに従つて磁束密度が減少する整磁材料から
なる補償ヨークを介設し、 (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 cantilevered manner; and a bias leaf spring that is wound around the core and generates magnetic flux when excited to swing the armature. (a) A magnetic shunt material whose magnetic flux density decreases as the temperature rises in the main magnetic circuit consisting of a permanent magnet, a yoke, an armature, a core, etc. (b) a means for detecting the temperature of the wire dot printing head; and (c) a means for shortening the energization time to the coil when the detected temperature is higher than the set temperature. A wire dot printing head featuring:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3963589U JPH02130338U (en) | 1989-04-05 | 1989-04-05 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3963589U JPH02130338U (en) | 1989-04-05 | 1989-04-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02130338U true JPH02130338U (en) | 1990-10-26 |
Family
ID=31548721
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3963589U Pending JPH02130338U (en) | 1989-04-05 | 1989-04-05 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02130338U (en) |
-
1989
- 1989-04-05 JP JP3963589U patent/JPH02130338U/ja active Pending
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