JPH0357031U - - Google Patents
Info
- Publication number
- JPH0357031U JPH0357031U JP11828089U JP11828089U JPH0357031U JP H0357031 U JPH0357031 U JP H0357031U JP 11828089 U JP11828089 U JP 11828089U JP 11828089 U JP11828089 U JP 11828089U JP H0357031 U JPH0357031 U JP H0357031U
- Authority
- JP
- Japan
- Prior art keywords
- armature
- temperature detection
- detection circuit
- print head
- outputs
- 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
- 238000001514 detection method Methods 0.000 claims description 7
- 230000004907 flux Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 7
Landscapes
- Accessory Devices And Overall Control Thereof (AREA)
- Impact Printers (AREA)
Description
第１図は本考案の実施例を示すワイヤドツト印
字ヘツドの制御回路図、第２図は温度検出回路図
、第３図は従来のワイヤドツト印字ヘツドの断面
図、第４図は従来のワイヤドツト印字ヘツドにお
けるサーミスタの配置図、第５図は第４図のサー
ミスタと制御部を接続した回路図、第６図は従来
のワイヤドツト印字ヘツドにおける他のサーミス
タ配置例を示す図、第７図は従来のワイヤドツト
印字ヘツドにおけるサーミスタの接続状態図、第
８図は第７図のサーミスタと制御部を接続した回
路図である。
１，１ａ〜１ｄ，１−１１−ｎ，…サーミスタ
、２，２′，２−１〜２−２４…コイル、３…板
バネ、４…アーマチユア、５…印字ワイヤ、６…
永久磁石、７…コア、８…アーマチユアヨーク、
９…コアヨーク、１５，１５−１〜１５−ｎ…温
度検出回路、１６…論理和回路、１７…制御部、
１８…駆動回路、１９…コンパレータ、２５，２
６，２７…抵抗。
Fig. 1 is a control circuit diagram of a wire dot print head showing an embodiment of the present invention, Fig. 2 is a temperature detection circuit diagram, Fig. 3 is a sectional view of a conventional wire dot print head, and Fig. 4 is a conventional wire dot print head. 5 is a circuit diagram connecting the thermistor shown in FIG. 4 to the control section, FIG. 6 is a diagram showing another thermistor arrangement example in a conventional wire dot print head, and FIG. 7 is a diagram showing a conventional wire dot print head. FIG. 8 is a diagram of the connection state of the thermistor in the print head, and is a circuit diagram in which the thermistor of FIG. 7 and the control section are connected. 1, 1a to 1d, 1-11-n,... thermistor, 2, 2', 2-1 to 2-24... coil, 3... leaf spring, 4... armature, 5... printing wire, 6...
Permanent magnet, 7...core, 8...armature yoke,
9... Core yoke, 15, 15-1 to 15-n... Temperature detection circuit, 16... OR circuit, 17... Control unit,
18...Drive circuit, 19...Comparator, 25,2
6,27...Resistance.
Claims (1)
該アーマチユアに対向して設けられるコアと、上
記アーマチユアを支持するバイアス用のバネと、
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からなるワイヤ
ドツト印字ヘツドにおいて、 ａ 印字ヘツド内部のコイルの近傍に設けられた
複数の温度検出素子と、 ｂ 各温度検出素子に対応して接続され、それぞ
れ独立して出力する温度検出回路と、 ｃ 該温度検出回路に接続されるとともに各温度
検出回路の論理和を制御部に出力する論理和回路
を有する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 spring supporting the armature;
In a wire dot print head consisting of a coil that is wound around the core and that generates magnetic flux when excited to swing the armature, a) a plurality of temperature detection elements provided near the coil inside the print head; b) each temperature; c) a temperature detection circuit that is connected to the detection element and outputs each independently, and c. an OR circuit that is connected to the temperature detection circuit and outputs the logical sum of each temperature detection circuit to the control unit. Features a wire dot printing head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11828089U JPH0357031U (en) | 1989-10-11 | 1989-10-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11828089U JPH0357031U (en) | 1989-10-11 | 1989-10-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0357031U true JPH0357031U (en) | 1991-05-31 |
Family
ID=31666456
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11828089U Pending JPH0357031U (en) | 1989-10-11 | 1989-10-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0357031U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008075280A (en) * | 2006-09-19 | 2008-04-03 | Panahome Corp | Buckling restricting brace and proof stress frame using buckling restricting brace |
| JP2008075281A (en) * | 2006-09-19 | 2008-04-03 | Panahome Corp | Buckling restricting brace, proof stress frame using buckling restricting brace, and method of manufacturing buckling restricting brace |
-
1989
- 1989-10-11 JP JP11828089U patent/JPH0357031U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008075280A (en) * | 2006-09-19 | 2008-04-03 | Panahome Corp | Buckling restricting brace and proof stress frame using buckling restricting brace |
| JP2008075281A (en) * | 2006-09-19 | 2008-04-03 | Panahome Corp | Buckling restricting brace, proof stress frame using buckling restricting brace, and method of manufacturing buckling restricting brace |
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