WO2015062414A1 - 墨盒 - Google Patents

墨盒 Download PDF

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Publication number
WO2015062414A1
WO2015062414A1 PCT/CN2014/088643 CN2014088643W WO2015062414A1 WO 2015062414 A1 WO2015062414 A1 WO 2015062414A1 CN 2014088643 W CN2014088643 W CN 2014088643W WO 2015062414 A1 WO2015062414 A1 WO 2015062414A1
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WO
WIPO (PCT)
Prior art keywords
ink cartridge
ink
light
printer
chip
Prior art date
Application number
PCT/CN2014/088643
Other languages
English (en)
French (fr)
Inventor
何永刚
苏健强
Original Assignee
珠海天威飞马打印耗材有限公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 珠海天威飞马打印耗材有限公司 filed Critical 珠海天威飞马打印耗材有限公司
Publication of WO2015062414A1 publication Critical patent/WO2015062414A1/zh

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41JTYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
    • B41J2/01Ink jet
    • B41J2/17Ink jet characterised by ink handling
    • B41J2/175Ink supply systems ; Circuit parts therefor
    • B41J2/17503Ink cartridges
    • B41J2/17553Outer structure
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41JTYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
    • B41J2/01Ink jet
    • B41J2/17Ink jet characterised by ink handling
    • B41J2/175Ink supply systems ; Circuit parts therefor
    • B41J2/17503Ink cartridges
    • B41J2/17513Inner structure
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41JTYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
    • B41J2/01Ink jet
    • B41J2/17Ink jet characterised by ink handling
    • B41J2/175Ink supply systems ; Circuit parts therefor
    • B41J2/17503Ink cartridges
    • B41J2/17543Cartridge presence detection or type identification
    • B41J2/17546Cartridge presence detection or type identification electronically
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41JTYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
    • B41J2/01Ink jet
    • B41J2/17Ink jet characterised by ink handling
    • B41J2/175Ink supply systems ; Circuit parts therefor
    • B41J2/17566Ink level or ink residue control
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41JTYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
    • B41J2/01Ink jet
    • B41J2/17Ink jet characterised by ink handling
    • B41J2/175Ink supply systems ; Circuit parts therefor
    • B41J2/17566Ink level or ink residue control
    • B41J2002/17576Ink level or ink residue control using a floater for ink level indication

Definitions

  • the present invention relates to an ink cartridge for an ink jet printer.
  • the present invention is based on a Chinese patent application filed on November 4, 2013, the application number of which is incorporated herein by reference.
  • the direction X is the mounting direction of the ink cartridge 100 to the printer.
  • the ink cartridge 100 has a housing 110 having a top wall 101, a bottom wall 102, a front wall 103, and a rear wall.
  • the lower portion of the front wall 103 is provided with an ink outlet 121
  • the upper portion is provided with a first shielding portion 122
  • the outer portion of the central portion is provided with a second shielding portion 123.
  • a light transmitting portion 124 is disposed between the second shielding portion 123 and the front wall 103
  • a light transmitting portion 125 is disposed on the inner side of the middle portion of the front wall 103.
  • the first shielding portion 122 is for detecting whether the ink cartridge 100 is mounted in position.
  • the second obstruction portion 123 is used to determine the type of the ink cartridge 100, such as the color or capacity type, along the dimension of the direction X.
  • the float 130 in the ink chamber of the ink cartridge 100 is rotatable about the rotation shaft 131, and the float ball 133 drives the float 130 to rotate as the ink level in the ink cartridge 100 floats.
  • the third shielding portion 132 disposed on the float 130 is located below the light transmitting region 125, and does not block the second detecting light of the printer; when the ink in the ink cartridge 100 is insufficient, the third shielding portion 132 is located.
  • the second detection light of the printer is blocked. That is, in the direction X, the light transmitting portion 124 is located downstream of the third shielding portion 132, and the second shielding portion 123 portion is located downstream of the light transmitting portion 124.
  • the first shielding portion 122 first blocks the first detection light in the printer, and the first sensor in the printer detects a low level, and the printer accordingly determines that the ink cartridge is loaded into the printer.
  • the second shielding portion 123 blocks the second detection light in the printer.
  • the second shielding portion 123 passes over the second detection light, and the second detection light passes through the light transmitting region 124 to reach the second sensor in the printer.
  • the second detecting light is again blocked by the third shielding portion 132 as the ink cartridge 100 is further loaded, and the second sensor detects a low level.
  • the second detection light is not blocked by the third shielding portion 132 as the ink cartridge 100 is further loaded, and the second sensor detects a low level.
  • the second sensor of the printer detects a low level, it is determined that the ink cartridge 100 has insufficient ink remaining, prohibits the printing operation, and prompts to replace the ink cartridge.
  • the second sensor of the printer detects a low level, the ink level of the ink cartridge 100 is determined to be sufficient, and the type of the ink cartridge 100 is allowed to continue to be detected.
  • the scale ratio of each of the second shielding portion 123 and the light transmitting region 124 of the different types of ink cartridges 100 in the direction X is unique, and the loading process of the ink cartridge 100 can be approximately uniformly mounted, so the above thickness ratio and the second aspect of the ink cartridge 100 are installed.
  • the time ratio of the middle two "low" levels in the "high and low” level detected by the sensor is uniform, and the printer determines the type of the ink cartridge 100 by detecting the time ratio by the second sensor.
  • the printer When the first sensor of the printer detects that the ink cartridge 100 is loaded, but the second sensor of the printer fails to normally detect the type or margin of the ink cartridge 100, the printer prompts to replace the ink cartridge 100 and restarts the ink cartridge installation detection program, waiting for the ink cartridge to be installed again.
  • the above-mentioned ink cartridge has the disadvantage that the structure is complicated, and the float occupies a large amount of space in the ink chamber, which reduces the ink capacity of the ink cartridge.
  • the light transmissive area 125 is made of a light-transparent light-transmitting material and is seamlessly connected with the casing to realize the functions of light transmission and ink storage, so as to ensure light transmittance and prevent excessive light attenuation due to scattering or refraction.
  • the surface processing precision of the light zone is extremely high, the processing is difficult, and the cost is high.
  • the ink cartridge of the present invention includes a housing having a front wall, a top wall, a bottom wall, and a rear wall, an ink outlet provided at a lower portion of the front wall, and a first shielding portion disposed at an upper portion of the front wall, a second shielding portion disposed at a middle portion of the front wall, a chip disposed on an outer surface of the housing, and a light emitting device disposed on the second shielding portion.
  • the time during which the illumination device is turned on or off is controlled by the chip.
  • the chip includes a controller, a memory, a driver, and a communication unit, and the memory stores therein ink remaining amount information and control information corresponding to the type of the ink cartridge.
  • the communication interface of the printer main board establishes a communication connection with the communication part of the chip, and the controller of the chip controls the driver according to the control information and the ink remaining amount information in the memory, and drives the light-emitting device on the second shielding part to emit light.
  • the chip structure is simpler and the manufacturing cost is low.
  • the type of the ink cartridge includes at least one of a capacity, a color, an ink solvent type, or an ink viscosity.
  • a further solution is that the chip is placed on the top wall. This prevents the chip from being contaminated by leaking ink.
  • the communication portion is an electrical contact located on the side of the chip opposite the ink cartridge.
  • the structure is simple and low cost.
  • the invention reduces the material requirements and processing requirements of the ink cartridge forming, simplifies the structure of the ink cartridge, improves the ink capacity of the ink cartridge, improves the flexibility of the structural design of the ink cartridge, and reduces the production cost of the ink cartridge housing. It is also possible to completely avoid the problem that the float is stuck, and the light-transmitting area is poorly transmitted due to ink contamination.
  • Figure 1 is a schematic view of a conventional ink cartridge
  • Figure 2 is a front elevational view of the ink container of the present invention
  • Figure 3 is a perspective view of Figure 2;
  • Figure 4 is a schematic view showing the structure of the ink cartridge chip of the present invention.
  • the direction X is the mounting direction in which the ink cartridge 200 is loaded into the printer.
  • the ink cartridge 200 has a housing 210 having a top wall 201, a bottom wall 202, a front wall 203, and a rear wall.
  • An ink outlet 221 is provided on the outer side of the lower portion of the front wall 203, a first shielding portion 222 is provided on the outer side of the upper portion, and a second shielding portion 223 is provided on the outer side of the middle portion.
  • the first shielding portion 222 is for detecting whether the ink cartridge 200 is mounted in position.
  • the first blocking portion 222 blocks the first detecting light of the printer, prevents the first detecting light from reaching the first sensor of the printer, and the second blocking portion 223 blocks the second detecting light of the printer to prevent the second detecting light.
  • the second sensor that detects light reaching the printer.
  • the substrate 224 is fixed to the second shielding portion 223 by bonding or other mounting means, and the substrate 224 is provided with a light-emitting device 225.
  • Light emitting device 225 is electrically coupled to chip 230 via wire 226.
  • the chip 230 controls the illumination device 225 to illuminate the second sensor of the printer, i.e., the time during which the illumination device 225 is on or off is controlled by the chip 230.
  • the chip 230 is disposed on the outer surface of the housing 210 and on the top wall 201, and the electrical contacts 231 are located on the side of the chip 230 opposite the ink cartridge 200.
  • the chip 230 has a controller, a memory, a drive, and a communication unit.
  • the electrical contact 231 serves as a communication unit for communicating with a communication interface of the printer main board.
  • the memory of the chip 230 stores therein ink remaining amount information and control information in one-to-one correspondence with the type of the ink cartridge.
  • the type of the ink cartridge 200 of the present embodiment includes only the capacity characteristics.
  • the control information is sequentially subdivided into control information T0 of the start period, control information T1 of the first period, control information T3 of the third period of the control information T2 of the second period, and control information T4 of the fourth period.
  • the control information T0 controls the illumination device 225 to not emit light within 3 seconds after the communication interface between the chip 230 and the printer main board is successfully established.
  • the control information T1 controls the illumination device 225 to emit light for a first predetermined time
  • the control information T2 controls the illumination device to extinguish for a second predetermined time
  • the control information T3 controls the illumination device 225 to emit light for a third predetermined time
  • the control information T4 is variable control information.
  • the control information T4 is control information for controlling the light-emitting device 255 to be turned off for the fourth predetermined time.
  • the control information T4 is control information for controlling the light-emitting device 255 to emit light for a fourth predetermined time.
  • the ratio of the second predetermined time to the third predetermined time corresponds one-to-one with the type of the ink cartridge 200.
  • the new ink cartridge 200 has a sufficient ink level, and at the time of shipment, the control information T4 on the chip 230 is set to control information that the light-emitting device 255 is turned off for the fourth predetermined time.
  • the first blocking portion 222 blocks the first detection light of the printer, and the printer determines that the ink cartridge 200 has been successfully loaded.
  • the second shielding portion 223 always blocks the second detection light of the printer after the ink cartridge is loaded into the printer.
  • the chip 230 controls the light-emitting device 255 according to the control information in the memory.
  • the startup period chip 230 controls the illumination device 255 to emit no light within 3 seconds after the communication interface of the printer main board and the communication unit of the chip 230 establish a communication connection, and the printer establishes a communication connection between the communication interface of the printer main board and the communication unit of the chip 230.
  • the type of the ink cartridge 200 is not recognized within 2 seconds and the ink cartridge installation detecting program is immediately restarted, waiting for the ink cartridge to be installed again.
  • the second sensor of the printer detects the optical signal emitted by the illumination device 255 during the first time period to the fourth time period.
  • the printer compares the ratio of the "low-high” levels of the second and third segments of the "high-low-high-low” level detected by the second sensor during the first period to the fourth period with the predetermined by the printer Whether the proportion is consistent. If it is inconsistent, it is determined that the type of the ink cartridge 200 is not the type of the ink cartridge that is reserved by the printer and prompts to replace the ink cartridge. If it is consistent, the ink remaining amount is allowed to continue to be detected. The printer determines whether the ink remaining amount is insufficient according to the level of the last level of the above-mentioned "high-low-high-low" level.
  • the printer If it is high level, it is determined that the ink cartridge 200 has insufficient ink remaining amount and prompts to replace the ink cartridge, if it is low The level determines that the ink cartridge 200 has sufficient ink remaining to allow the operation to continue. Obviously, the new ink cartridge 200 has a sufficient ink level, and the printer allows the operation to continue if the type of the ink cartridge 200 matches the predetermined type of the printer. Before printing, the printer reads the ink remaining amount information in the memory of the chip 230. After printing, the printer compares the new ink remaining amount information after subtracting the consumed ink amount with the lower limit threshold set in the printer, if the lower limit threshold is exceeded.
  • the new ink remaining amount information is directly written into the memory of the chip 230 and the printing operation is ended. If the lower limit threshold value set in the printer is lower, the control information T4 of the chip is modified to control the lighting information of the light emitting device 255, and then The new ink remaining amount information is written into the memory of the chip 230, and then the printing operation is ended.
  • the chip 230 controls the light-emitting device 255 to "off-light-off-light” - The light is illuminated "on", and the second sensor of the printer detects a "high-low-high-high” level during the first time period to the fourth time period.
  • the printer determines that the ink level of the ink cartridge 200 is insufficient according to the level of the last one of the above-mentioned "high-low-high-high", prohibiting the printing operation and prompting Replace the ink cartridges.
  • the type of the ink cartridge is not limited to containing only the capacity information, and may also include at least one of a color, an ink solvent type, or an ink viscosity.
  • the chip of the ink cartridge is not limited to be disposed on the top wall of the ink cartridge, and may be disposed on other walls of the ink cartridge, and only needs to ensure that the communication interface with the printer main board can constitute a communication connection.
  • the communication interface of the printer main board is also an electrical contact.
  • the communication portion of the present invention is not limited to an electrical contact, but may also be a radio frequency coil.
  • the communication interface of the printer main board is also a radio frequency coil.
  • the "occlusion" of the light emitted by the light-emitting portion of the printer by the respective shielding portions of the present invention is not limited to blocking the optical signal, and may be such that the light emitted from the light-emitting portion of the printer deviates from the original path by means of refraction or reflection.
  • the corresponding light receiving unit cannot be reached.
  • the light emitted by the light emitting device is not limited to visible light, and may be invisible light as long as the type of light emitted by the light emitting device matches the type of light received by the second sensor provided in the printer.
  • the ink cartridge housing does not need to use a light transmissive material, and each of the shielding portion and the housing of the ink cartridge can be integrally formed from an inexpensive opaque material, thereby reducing the material requirements and processing requirements of the ink cartridge molding.

Abstract

一种墨盒,包括,具有前壁(203)、顶壁(201)、底壁(202)和后壁的壳体(210),设置在前壁(203)的下部的出墨口(221),设置在前壁(203)的上部的第一遮挡部(222),设置在前壁(203)的中部的第二遮挡部(223),设置在壳体(210)的外表面上的芯片,设置在第二遮挡部(223)上的发光装置(225)。其中,发光装置(225)的亮或灭的时间由芯片(230)控制。该墨盒的优点在于,墨盒结构简单,且易于加工。

Description

墨盒
本发明涉及一种喷墨打印机用的墨盒。本发明基于申请日为2013年11月04日、申请号为201310539425.5的中国发明专利申请,该申请的内容作为与本发明密切相关的参考文献引入本文。
如图1所示,方向X为墨盒100向打印机的安装方向。墨盒100具有壳体110,壳体110具有顶壁101、底壁102、前壁103及后壁。前壁103下部设有出墨口121,上部设有第一遮挡部122,中部的外侧设有第二遮挡部123。第二遮挡部123和前壁103之间设有透光部124,前壁103中部的内侧设有透光区125。第一遮挡部122用于检测墨盒100是否安装到位。第二遮挡部123沿方向X的尺度用于判断墨盒100的类型,如颜色或容量类型。墨盒100墨腔中的浮子130可绕转轴131转动,浮球133随着墨盒100内的墨水水位浮动而驱动浮子130转动。当墨盒100内墨水充足时,设置在浮子130上的第三遮挡部132位于透光区125的下方,不遮挡打印机的第二检测光;当墨盒100内墨水不足时,第三遮挡部132位于透光区125内,遮挡打印机的第二检测光。即,沿方向X,透光部124位于第三遮挡部132的下游,第二遮挡部123部位于透光部124的下游。
墨盒100装机时,第一遮挡部122先遮挡打印机内的第一检测光,打印机内第一传感器检测到低电平,打印机据此认定墨盒装入打印机。随着墨盒100继续装入,第二遮挡部123遮挡打印机内的第二检测光。随着墨盒100进一步装入,第二遮挡部123越过第二检测光,第二检测光经透光区124到达打印机内的第二传感器。当墨盒100墨水余量充足时,随着墨盒100进一步装入,第二检测光又再被第三遮挡部132遮挡,第二传感器检测到低高低电平。当墨盒100墨水余量不足时,随着墨盒100进一步装入,第二检测光也不会被第三遮挡部132遮挡,第二传感器检测到低高电平。当打印机第二传感器检测到低高电平时,认定墨盒100墨水余量不足,禁止打印操作并提示更换墨盒。当打印机第二传感器检测到低高低电平时,认定墨盒100墨水余量充足,允许继续检测墨盒100的类型。不同类型的墨盒100各自的第二遮挡部123和透光区124沿方向X的尺度比例具有唯一性,墨盒100的装入过程可近似为匀速安装,因此上述厚度比例与墨盒100安装时第二传感器所检测到的“高低高低”电平中的中间两段“低高”电平的时间占比具有一致性,打印机通过第二传感器检测上述时间占比来认定墨盒100的类型。当打印机第一传感器检测到墨盒100装入,但打印机第二传感器未能正常检测到墨盒100的类型或余量时,打印机会提示更换墨盒100并重启墨盒安装检测程序,等待再次安装墨盒。
上述墨盒的缺点是结构复杂,且浮子占据墨腔中的大量空间,降低了墨盒的墨水容量。此外,透光区125由成本较高的透光材料制成且与壳体无缝连接以实现透光和储墨的功能,为保证透光率,防止光线因散射或折射而过度衰弱,透光区的表面加工精度要求极高,加工难度大,成本高。
本发明目的在于提供一种结构较简单,墨水容量较高,壳体易于加工的墨盒。
为实现所述目的,本发明的墨盒包括具有前壁、顶壁、底壁和后壁的壳体,设置在前壁的下部的出墨口,设置在前壁的上部的第一遮挡部,设置在前壁的中部的第二遮挡部,设置在壳体的外表面上的芯片,设置在第二遮挡部上的发光装置。其中,发光装置的亮或灭的时间由芯片控制。
进一步的方案是,芯片包括控制器、存储器、驱动器和通讯部,存储器内存储有墨水余量信息以及与墨盒的类型一一对应的控制信息。通过打印机主板的通讯接口与芯片的通讯部建立通讯连接,芯片的控制器根据存储器内的据控制信息和墨水余量信息控制驱动器,驱动第二遮挡部上的发光装置发光。芯片结构较简单,制作成本低。
更进一步的方案是,墨盒的类型包括容量、颜色、墨水溶剂类型或墨水粘度中的至少一个。
再进一步的方案是,芯片设置在顶壁上。这样可以防止芯片被泄漏的墨水污染。
更进一步的方案是,通讯部为电触点,位于芯片背对墨盒的一侧。结构简单成本低。
本发明降低了墨盒成型的用料要求和加工工艺要求,简化墨盒结构,提高墨盒的墨水容量,提高了墨盒结构设计的灵活性,降低墨盒壳体生产成本。还可彻底避免浮子被卡死,透光区因墨水污染而透光不良的问题。
图1是现有墨盒示意图;
图2是本发明墨盒的主视图;
图3是图2的立体图;
图4是本发明墨盒芯片的结构示意图。
如图2所示,方向X为墨盒200装入打印机的安装方向。墨盒200具有壳体210,壳体210具有顶壁201、底壁202、前壁203和后壁。前壁203下部的外侧设有出墨口221,上部的外侧设有第一遮挡部222,中部的外侧设有第二遮挡部223。第一遮挡部222用于检测墨盒200是否安装到位。当墨盒200安装到位后,第一遮挡部222遮挡打印机的第一检测光,防止该第一检测光到达打印机的第一传感器,第二遮挡部223遮挡打印机的第二检测光,防止该第二检测光到达打印机的第二传感器。第二遮挡部223上通过粘接或其他的装配方式固定有基板224,基板224上设置有发光装置225。发光装置225通过导线226与芯片230电连接。芯片230控制发光装置225向打印机的第二传感器发光,即,发光装置225的亮或灭的时间由芯片230控制。
如图3所示,芯片230设置在壳体210的外表面且位于顶壁201上,电触点231位于芯片230背对墨盒200的一侧。
如图4所示,芯片230具有控制器、存储器、驱动器和通讯部。电触点231作为用于与打印机主板的通讯接口进行通讯的通讯部。芯片230的存储器存储有墨水余量信息以及与墨盒的类型一一对应的控制信息。本实施例的墨盒200的类型只包含容量特征。
控制信息依次细分为启动时段的控制信息T0,第一时段的控制信息T1,第二时段的控制信息T2第三时段的控制信息T3,第四时段的控制信息T4。控制信息T0控制发光装置225在芯片230与打印机主板的通信接口成功建立通讯连接后的3秒内不发光。控制信息T1控制发光装置225发光第一预定时间,控制信息T2控制发光装置熄灭第二预定时间,控制信息T3控制发光装置225发光第三预定时间,控制信息T4为可变控制信息。墨盒200的墨水余量充足时,控制信息T4为控制发光装置255熄灭第四预定时间的控制信息。墨盒200墨水余量不足时,控制信息T4为控制发光装置255发光第四预定时间的控制信息。第二预定时间和第三预定时间的比值与墨盒200的类型一一对应。
新的墨盒200墨水余量充足,出厂时,其芯片230上的控制信息T4被设置为控制发光装置255熄灭第四预定时间的控制信息。新的墨盒200装入打印机后,第一遮挡部222遮挡打印机的第一检测光,打印机认定墨盒200已经成功装入。但是第二遮挡部223在墨盒装入打印机后始终遮挡打印机的第二检测光,打印机主板的通讯接口与芯片230的通讯部建立通讯连接后,芯片230根据自身存储器内的控制信息控制发光装置255“灭—亮—灭—亮—灭”地发光一遍。其中,启动时段芯片230控制发光装置255在打印机主板的通讯接口与芯片230的通讯部建立通讯连接后3秒内不发光,打印机在打印机主板的通讯接口与芯片230的通讯部建立通讯连接后的2秒内不能识别墨盒200的类型而立即重启墨盒安装检测程序,等待再次安装墨盒。打印机主板的通讯接口与芯片230的通讯部建立通讯连接3秒后,打印机第二传感器检测到发光装置255在第一时段到第四时段发出的光信号。打印机比较其第二传感器在第一时段到第四时段检测到的“高—低—高—低”电平中第二和第三段的“低—高”电平的占比与打印机预定的占比是否一致,若不一致则认定墨盒200的类型不是打印机预定的墨盒类型并提示更换墨盒,若一致则允许继续检测墨水余量。打印机根据上述“高—低—高—低”电平中最后一段电平的高低来认定墨水余量是否不足,若为高电平则认定墨盒200墨水余量不足并提示更换墨盒,若为低电平则认定墨盒200墨水余量充足,允许继续执行操作。显然,新的墨盒200墨水余量充足,在墨盒200的类型与打印机预定类型一致的情况下,打印机允许继续执行操作。打印前,打印机读取芯片230存储器内的墨水余量信息,打印完毕后,打印机把扣除消耗墨量后的新的墨水余量信息与打印机内设定的下限阈值比较,若高于该下限阈值则直接把新的墨水余量信息写入芯片230的存储器并结束打印操作,若低于打印机内设定的下限阈值,则将芯片的控制信息T4修改为控制发光装置255发光的控制信息,再把新的墨水余量信息写入芯片230的存储器,然后结束打印操作。
当把墨水余量不足墨盒200的控制信息T4已经被打印机修改为控制发光装置225发光第四预定时间的控制信息,其装入打印机后,芯片230控制发光装置255“灭—亮—灭—亮—亮”地发光一遍光,打印机第二传感器在第一时段到第四时段内检测到“高—低—高—高”电平。在墨盒200的类型与打印机预定类型一致的情况下,打印机根据上述“高—低—高—高”中的最后一段电平为高电平而认定墨盒200墨水余量不足,禁止打印操作并提示更换墨盒。
显然,墨盒的类型不限于只包含容量信息,还可以包含颜色、墨水溶剂类型或墨水粘度中的至少一种特征。
墨盒的芯片不限于设置在墨盒的顶壁上,还可以设置在墨盒的其它壁上,只需保证与打印机主板的通信接口能构成通讯连接即可。
通讯部为电触点时,打印机主板的通信接口也为电触点。但是本发明的通讯部不限于电触点,还可以是射频线圈,此时打印机主板的通信接口也为射频线圈。
本发明的各个遮挡部对打印机的光发射部发出的光的“遮挡”不限于把光信号阻断,还可以是通过折射或反射的方式使得打印机的光发射部发出的光偏离原来的路径而不能到达相应的光接收部。
发光装置发出的光不限于可见光,还可以是不可见光,只要发光装置发出的光的类型与打印机内设置的第二传感器所接收的光的类型一致即可。
本发明由于取消了透光区,并由芯片控制设置在第二遮挡部上的发光装置向打印机的第二传感器发射用于替代打印机上的第二检测光的光,因此无需在墨盒内设置浮子,从而墨盒壳体无需使用透光材料,墨盒的各个遮挡部与壳体可由廉价的不透明材料一体成型,降低了墨盒成型的用料要求和加工工艺要求。

Claims (5)

  1. 墨盒,包括,
    壳体,具有前壁、顶壁、底壁和后壁;
    出墨口,设置在所述前壁的下部;
    第一遮挡部,设置在所述前壁的上部;
    第二遮挡部,设置在所述前壁的中部;
    其特征在于:
    芯片,设置在所述壳体的外表面上;
    发光装置,设置在所述第二遮挡部上,所述发光装置的亮或灭的时间由所述芯片控制。
  2. 如权利要求1所述的墨盒,其特征在于:
    所述芯片包括控制器、存储器、驱动器和通讯部;
    所述存储器内存储有墨水余量信息以及与该墨盒的类型一一对应的控制信息。
  3. 如权利要求2所述的墨盒,其特征在于:
    所述类型包括容量、颜色、墨水溶剂类型或墨水粘度中的至少一个。
  4. 如权利要求3所述的墨盒,其特征在于:
    所述芯片设置在所述顶壁上。
  5. 如权利要求4所述的墨盒,其特征在于:
    所述通讯部为电触点,位于所述芯片背对所述墨盒的一侧。
PCT/CN2014/088643 2013-11-04 2014-10-15 墨盒 WO2015062414A1 (zh)

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