JPH0336862U - - Google Patents
Info
- Publication number
- JPH0336862U JPH0336862U JP9654089U JP9654089U JPH0336862U JP H0336862 U JPH0336862 U JP H0336862U JP 9654089 U JP9654089 U JP 9654089U JP 9654089 U JP9654089 U JP 9654089U JP H0336862 U JPH0336862 U JP H0336862U
- Authority
- JP
- Japan
- Prior art keywords
- magnetic field
- head
- generating means
- field generating
- electromagnet
- 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
Landscapes
- Electronic Switches (AREA)
- Accessory Devices And Overall Control Thereof (AREA)
Description
第１図は本考案の一実施例を示す構成図、第２
図は電磁石のコイルに流す電流とサーマルヘツド
の温度との関係を示す特性図、第３図は本考案の
変形実施例を示す構成図、第４図及び第５図は従
来のサーマルヘツドの構成を示す斜視図と側面断
面図、第６図及び第７図は同一出願人が既に提案
済のサーマルヘツドの構造を示す平面構成図と側
面断面図、第８図及び第９図は同一出願人が既に
提案済のサーマルプリンタの要部構成図とその制
御系統図である。
１……熱抵抗基板、２，１２……発熱体、３…
…共通導体、４……個別導体、５……冷却フイン
、６……熱伝導性部材、７，８，９……番号無し
、１０……基板、１１……絶縁性支持板、１３…
…個別流路、１４，１５……共通流路、１６……
液注入口、１７，２１……液排出口、１８……端
部流路、１９……番号無し、２０……サーマルヘ
ツド、２１……永久磁石、２２……熱交換部、２
３……インクリボン、２４……転写紙、２５……
プラテン、２６……駆動軸、２７……非金属ロー
ラ、２８……リングマグネツト、２９……弾性部
材、３０……ポンプ、３１……回収器、４０，４
９……放熱フイン、４１……電磁石、４２……温
度検出器、４３……増幅器、４４……電力増幅器
、４５……コイル、４８……断熱部材。
Fig. 1 is a configuration diagram showing one embodiment of the present invention;
The figure is a characteristic diagram showing the relationship between the current flowing through the electromagnet coil and the temperature of the thermal head, Figure 3 is a configuration diagram showing a modified embodiment of the present invention, and Figures 4 and 5 are the configuration of a conventional thermal head. 6 and 7 are plan configuration diagrams and side sectional views showing the structure of a thermal head already proposed by the same applicant, and Figures 8 and 9 are by the same applicant. These are the main part configuration diagram and its control system diagram of a thermal printer that has already been proposed. 1... Heat resistance board, 2, 12... Heating element, 3...
... common conductor, 4 ... individual conductor, 5 ... cooling fin, 6 ... thermally conductive member, 7, 8, 9 ... no number, 10 ... substrate, 11 ... insulating support plate, 13 ...
...Individual flow path, 14, 15...Common flow path, 16...
Liquid inlet, 17, 21...Liquid outlet, 18...End channel, 19...No number, 20...Thermal head, 21...Permanent magnet, 22...Heat exchange section, 2
3... Ink ribbon, 24... Transfer paper, 25...
Platen, 26... Drive shaft, 27... Nonmetallic roller, 28... Ring magnet, 29... Elastic member, 30... Pump, 31... Recovery device, 40, 4
9...Radiation fin, 41...Electromagnet, 42...Temperature detector, 43...Amplifier, 44...Power amplifier, 45...Coil, 48...Insulating member.
Claims (1)
の内部に磁性流体を還流する流路を備え、これに
接近して配設したヘツド側磁界発生手段とプラテ
ン側磁界発生手段とにより上記磁性流体に磁界を
与えて上記磁性流体を循環させて冷却するサーマ
ルプリンタにおいて、 前記プラテン側磁界発生手段を永久磁石とし且
ヘツド側磁界発生手段を電磁石とすると共に、前
記サーマルヘツドに温度検出手段を備え、該温度
検出手段の出力によつて前記ヘツド側の電磁石に
供給する電圧又は電流を制御し前記磁性流体に与
える磁界強度を変化させたことを特徴とするサー
マルプリンタの構造。 (2) 前記ヘツド側電磁石とサーマルヘツドとの
間に断熱部材を挿入したことを特徴とする(1)項
記載のサーマルプリンタの構造。[Scope of Claim for Utility Model Registration] (1) A thermal head in which a large number of heating elements are arranged has a flow path for circulating magnetic fluid, and a head-side magnetic field generating means and a platen are arranged close to the flow path. A thermal printer that applies a magnetic field to the magnetic fluid by a side magnetic field generating means to circulate the magnetic fluid for cooling, wherein the platen side magnetic field generating means is a permanent magnet, the head side magnetic field generating means is an electromagnet, and the magnetic field generating means on the platen side is a permanent magnet. A thermal printer characterized in that the thermal head is equipped with a temperature detection means, and the voltage or current supplied to the electromagnet on the head side is controlled by the output of the temperature detection means to change the strength of the magnetic field applied to the magnetic fluid. structure. (2) The structure of the thermal printer according to item (1), characterized in that a heat insulating member is inserted between the head-side electromagnet and the thermal head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9654089U JPH0336862U (en) | 1989-08-18 | 1989-08-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9654089U JPH0336862U (en) | 1989-08-18 | 1989-08-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0336862U true JPH0336862U (en) | 1991-04-10 |
Family
ID=31645736
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9654089U Pending JPH0336862U (en) | 1989-08-18 | 1989-08-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0336862U (en) |
-
1989
- 1989-08-18 JP JP9654089U patent/JPH0336862U/ja active Pending
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