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1. (WO2017183389) INKJET HEAD, HEAD MODULE, AND INKJET RECORDING DEVICE
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Pub. No.:
WO/2017/183389
International Application No.:
PCT/JP2017/011930
Publication Date:
26.10.2017
International Filing Date:
24.03.2017
IPC:
B41J 2/01
(2006.01),
B41J 2/14
(2006.01)
B
PERFORMING OPERATIONS; TRANSPORTING
41
PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
J
TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
2
Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
005
characterised by bringing liquid or particles selectively into contact with a printing material
01
Ink jet
B
PERFORMING OPERATIONS; TRANSPORTING
41
PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
J
TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
2
Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
005
characterised by bringing liquid or particles selectively into contact with a printing material
01
Ink jet
135
Nozzles
14
Structure thereof
Applicants:
KONICA MINOLTA, INC.
[JP/JP]; 2-7-2, Marunouchi, Chiyoda-ku, Tokyo 1007015 (JP)
Inventors:
WATANABE, Toshiki
; (JP)
Agent:
KOYO INTERNATIONAL PATENT FIRM
; 17F., Tokyo Takarazuka Bldg., 1-1-3, Yurakucho, Chiyoda-ku, Tokyo 1000006 (JP)
Priority Data:
2016-082835
18.04.2016
JP
Title
(EN)
INKJET HEAD, HEAD MODULE, AND INKJET RECORDING DEVICE
(FR)
TÊTE À JET D'ENCRE, MODULE DE TÊTE ET DISPOSITIF D'ENREGISTREMENT À JET D'ENCRE
(JA)
インクジェットヘッド、ヘッドモジュール及びインクジェット記録装置
Abstract:
(EN)
The present invention addresses the problem of providing an inkjet head, a head module, and an inkjet recording device, which are capable of controlling the temperature of ink in a highly accurate manner. This inkjet head 10 is provided with: a head chip 20; a common ink chamber 40; an outer cover frame 50 having a heat dissipation section 51; a drive section 61 mounted to a housing 60 and driving a piezoelectric element 5; a temperature detection section 80 for detecting the temperature of the head chip 20; and a first heater 52 driven on the basis of the temperature detected by the temperature detection section 80 and heating the outer cover frame 50. The inkjet head 10 is characterized in that, when the thermal resistance from the head chip 20 to the heat dissipation section 51 is Ra (°C/W), the thermal resistance from the drive section 61 to the heat dissipation section 51 is Rb (°C/W), and the thermal resistance from the first heater 52 to the heat dissipation section 51 is Rc (°C/W), the relationship of Rc
(FR)
La présente invention traite le problème de la fourniture d'une tête à jet d'encre, d'un module de tête et d'un dispositif d'enregistrement à jet d'encre, qui sont aptes à réguler la température de l'encre d'une manière hautement précise. La tête à jet d'encre 10 de la présente invention comprend : une puce de tête 20; une chambre d'encre commune 40; un cadre de couvercle externe 50 ayant une section de dissipation de chaleur 51; une section d'entraînement 61 montée sur un boîtier 60 et entraînant un élément piézoélectrique 5; une section de détection de température 80 pour détecter la température de la puce de tête 20; et un premier élément chauffant 52 entraîné sur la base de la température détectée par la section de détection de température 80 et chauffant le cadre de couvercle externe 50. La tête à jet d'encre 10 est caractérisée en ce que, lorsque la résistance thermique de la puce de tête 20 à la section de dissipation de chaleur 51 est Ra (°C /W), la résistance thermique de la section d'entraînement à la section de dissipation de chaleur est Rb (°C /W), et la résistance thermique du premier élément chauffant 52 à la section de dissipation de chaleur 51 est Rc (°C/W), la relation de Rc
(JA)
本発明の課題は、インク温度を高精度に制御できるインクジェットヘッド、ヘッドモジュール、及びインクジェット記録装置を提供することである。本発明のインクジェットヘッド10は、ヘッドチップ20と、共通インク室40と、放熱部51を有する外装フレーム50と、筐体60に取り付けられた、圧電素子5を駆動する駆動部61と、ヘッドチップ20の温度を検知する温度検知部80と、温度検知部80によって検知された温度に基づいて駆動し、外装フレーム50を加熱する第1ヒーター52と、を備え、ヘッドチップ20から放熱部51までの熱抵抗をRa(℃/W)、駆動部61から放熱部51までの熱抵抗をRb(℃/W)、及び第1ヒーター52から放熱部51までの熱抵抗をRc(℃/W)としたとき、Rc<Rb<Raの関係を満たすことを特徴とする。
Designated States:
AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JP, KE, KG, KH, KN, KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW.
African Regional Intellectual Property Organization (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Organization (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG).
Publication Language:
Japanese (
JA
)
Filing Language:
Japanese (
JA
)