WO2009092317A1 - 打印头芯片保护器及其使用的墨盒 - Google Patents

打印头芯片保护器及其使用的墨盒 Download PDF

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Publication number
WO2009092317A1
WO2009092317A1 PCT/CN2009/070141 CN2009070141W WO2009092317A1 WO 2009092317 A1 WO2009092317 A1 WO 2009092317A1 CN 2009070141 W CN2009070141 W CN 2009070141W WO 2009092317 A1 WO2009092317 A1 WO 2009092317A1
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WO
WIPO (PCT)
Prior art keywords
ink
print head
storage device
memory storage
chip protector
Prior art date
Application number
PCT/CN2009/070141
Other languages
English (en)
French (fr)
Inventor
Junzhong Wu
Original Assignee
Zhuhai Nine Star Electronic Science And Technology Co., Ltd.
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 Zhuhai Nine Star Electronic Science And Technology Co., Ltd. filed Critical Zhuhai Nine Star Electronic Science And Technology Co., Ltd.
Priority to ES09704926T priority Critical patent/ES2428224T3/es
Priority to EP09704926.6A priority patent/EP2233306B1/en
Priority to JP2010540023A priority patent/JP2011507737A/ja
Publication of WO2009092317A1 publication Critical patent/WO2009092317A1/zh
Priority to US12/821,907 priority patent/US8342665B2/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005—Typewriters 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
    • B41J2/01—Ink jet
    • B41J2/17—Ink jet characterised by ink handling
    • B41J2/175—Ink supply systems ; Circuit parts therefor
    • B41J2/17503—Ink cartridges
    • B41J2/17526—Electrical contacts to the cartridge
    • B41J2/1753—Details of contacts on the cartridge, e.g. protection of contacts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005—Typewriters 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
    • B41J2/01—Ink jet
    • B41J2/17—Ink jet characterised by ink handling
    • B41J2/175—Ink supply systems ; Circuit parts therefor
    • B41J2/17503—Ink cartridges
    • B41J2/1752—Mounting within the printer
    • B41J2/17523—Ink connection
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005—Typewriters 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
    • B41J2/01—Ink jet
    • B41J2/17—Ink jet characterised by ink handling
    • B41J2/175—Ink supply systems ; Circuit parts therefor
    • B41J2/17503—Ink cartridges
    • B41J2/17536—Protection of cartridges or parts thereof, e.g. tape
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005—Typewriters 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
    • B41J2/01—Ink jet
    • B41J2/17—Ink jet characterised by ink handling
    • B41J2/175—Ink supply systems ; Circuit parts therefor
    • B41J2/17503—Ink cartridges
    • B41J2/17543—Cartridge presence detection or type identification
    • B41J2/17546—Cartridge presence detection or type identification electronically
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005—Typewriters 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
    • B41J2/01—Ink jet
    • B41J2/17—Ink jet characterised by ink handling
    • B41J2/175—Ink supply systems ; Circuit parts therefor
    • B41J2/17503—Ink cartridges
    • B41J2/17553—Outer structure

Definitions

  • the present invention relates to a printhead chip protector for an ink jet printer, and an ink cartridge and control method therefor.
  • an inkjet printer using a contact chip generally uses a detachable ink cartridge that is matched with the detachable ink cartridge.
  • the detachable ink cartridge is generally provided with a chip contact disposed on the bottom wall or the side wall.
  • the corresponding contacts are provided with a data storage device, and the detachable ink cartridge is discarded after use.
  • the center is symmetrical in design to minimize displacement of the contacts relative to the centerline of the ink supply port and ultimately prevent the chip from coming out of contact.
  • the prior art in order to prevent chip contact failure, widely employs the provision or coating of a conductive material having good conductivity at the chip contact.
  • the claimed ink cartridge is inseparable from the circuit board on which the chip contacts are located, and the ink cartridge with the chip contacts is discarded after a large amount of ink remains after use. Since the positional relationship between the chip contacts and the center line of the ink supply port must be satisfied, the patent necessarily requires high precision in the injection molding of the ink cartridge and the mounting of the chip. At the same time, in order to ensure the firmness of the chip positioning, U.S. Patent No. 7,008,053 further proposes to adopt an elastic handle disposed on the side wall of the ink cartridge opposite to the chip, and the chip is even disposed on one. On the protruding guide.
  • U.S. Patent No. 6,550,902 further adopts a prominent protection device, that is, a suspension member is arranged above the circuit board where the chip is located, This suspension is also applied to the board on which the ink cartridge is located.
  • a suspension member is arranged above the circuit board where the chip is located.
  • This suspension is also applied to the board on which the ink cartridge is located.
  • the protection of the suspension member is very limited, that is, when the ink cartridge is entirely dropped, even if the surface of the ink cartridge where the circuit board is located is not directly subjected to impact or collision, the impact stress is sufficient to damage the chip or chip internal circuit of the extremely low strength, resulting in The ink cartridges are completely scrapped.
  • the inventors of the present patent application note that the chip and its memory storage device used in the prior art do not actually detect and record the ink in the ink cartridge, but the program setting assumes that a certain amount has been injected into the ink cartridge. Ink, even if a large amount of ink remains in the ink cartridge, the detection device may still indicate that the ink is used up or the ink cartridge needs to be replaced, and the amount of ink remaining may be as high as 30% or more.
  • the inventors of the present application have noticed that the chip used in the prior art and its memory storage device are integrally disposed on one wall of the ink cartridge, and when the ink cartridge is discarded, the chip and the memory storage device and the residual ink are simultaneously discarded. Not only the generation of electronic waste but also the chemical waste.
  • the inventors of the present patent application note that the chip used in the prior art and its memory storage device are integrally disposed on one wall of the ink cartridge, and this design inevitably causes the ink cartridge to be on the ink cartridge. The friction between the chip contacts and the chip contacts on the printhead is not only manifested in the process of replacing the ink cartridges, but also during the operation of the printer.
  • the ink cartridge is disposable, used After the completion, a large amount of ink remains, which will inevitably pollute the environment after being discarded.
  • the chip contacts on the printhead must withstand the wear and tear caused by multiple installations of the replacement cartridges and the process, which affects the life of the printer, especially the printhead.
  • the consumer must spend a relatively high cost each time, while purchasing the ink cartridge, to purchase a chip attached to the ink cartridge and actually only performing the virtual detection function, and the structure of the prior art ink cartridge is too complicated.
  • a further object of the present invention is to preserve the print head chip protector so that the prior art chip that has to be discarded after use and its associated memory storage device are well preserved and recycled after reset.
  • a still further object of the present invention is to solve the problem of ink residual amount caused by the prior art by protecting the print head chip protector and resetting it, and to set a special ink supply port and a reset printing function therewith.
  • the ink in the ink container is fully used, and the residual amount thereof is greatly reduced.
  • the print head chip protector is characterized in that: the print head chip protector is independent of the ink cartridge storing the ink container, and the contact surface of the print head chip protector and the ink cartridge facing the print head contact is disposed with the print head chip a point corresponding to the contact, the contact being connected to the memory storage device, the contact being enclosed between the print head chip contact and the printhead chip protector, the print head chip protector being securely positioned and mounted on the print head on.
  • the printhead chip protector is provided with a positioning device or a positioning hole that cooperates with the printhead. According to the invention, it is special in that: the print head chip protector is provided with a reset device for the memory storage device.
  • the memory storage device is enclosed between the print head chip contacts and the printhead chip protector or within the cavity at the end of the printhead chip protector chip.
  • the reset means of the memory storage device are connected to the printer control button or independently.
  • the memory storage device is connected to a reset device, and the reset device comprises:
  • a main control circuit for rewriting information into the memory storage device a main control circuit for rewriting information into the memory storage device; a main control circuit power supply;
  • the main control circuit for rewriting information is integrated with the memory storage device or is disposed on the same circuit board as the memory storage device.
  • the ink cartridge filled with ink is independent of the print head chip protector, the ink supply port is for inserting the ink supply needle, and the ink cartridge filled with ink is in a separable sliding fit relationship with the print head chip protector or The fixed connection relationship can be separated, and the ink supply port of the ink cartridge is provided with an elastic sealing device that seals the ink supply port and surrounds the ink supply needle.
  • the elastic sealing device has a hollow interior, and The upper end of the hollow portion has a sealing port for sealing the ink supply needle, the bottom portion is a closed end or a slit for facilitating the passage of the ink supply needle, and the outer periphery of the sealing device is provided with a flange for sealing the ink supply port, the flange is one week, Two or more weeks.
  • the printhead chip protector is provided with a spring on its side, and the ink cartridge filled with ink is in elastic contact with the elastic piece of the printhead chip protector.
  • the control method of the print head chip protector is characterized in that: after the contacts on the print head are connected with the contacts of the print head chip protector, the printer performs power-on reset and system on the memory storage device on the print head chip protector Initialization, if the printer supplies power to the memory storage device of the printhead chip protector, then the reset device is in a sleep state, and if the main control circuit is powered, the isolation circuit isolates the printer from the memory storage device, leaving only the main control The circuit operates on the memory storage device, and the main control circuit determines the value indicating the ink amount in the memory storage device.
  • the value indicating the ink amount in the memory storage device reaches the set value, that is, when the remaining value is set to 0, The value indicating the ink amount in the memory storage device is reset to a full value. If the value indicating the ink amount in the recording storage device does not reach the set value, the value indicating the ink amount in the memory storage device cannot be reset to the full value, so that Achieve only 0 memory per memory memory device , Reset means can reset, the rest state can not be reset.
  • the firmly positioned printhead chip protector may not have any structural relationship with the ink supply port and the ink supply needle where the ink cartridge and its ink cartridge are independent, even if the ink cartridge occurs Swinging or moving horizontally and deviating from the center line of the ink supply port will not affect the communication effect.
  • the printhead chip protector is extremely simple in construction, and can be precisely injection molded to ensure good contact of the chip contacts with respect to a hollow ink cartridge or the above-described complicated ink cartridge.
  • the print head chip protector ensures that the contacts on the print head chip contacts and the print head chip protectors in contact therewith are in a firm closed contact state, and the contacts are unlikely to be contaminated or corroded by ink. The possibility of impact, friction or wear is also virtually eliminated.
  • the print head chip protector closes the contacts of the print head chip and the contacts on the print head chip protector that are in contact therewith and the memory storage device thereof, the print head chip is not even if the ink cartridge is replaced multiple times.
  • the contact on the contact and the contact on the printhead chip protector that is in contact with it causes any damage, which helps to protect the print head and its
  • the protection device does not need to provide an elastic handle to the ink cartridge as in the prior art, so that the overall structure of the ink cartridge is greatly simplified.
  • the print head chip protector can conveniently realize the reset of the memory storage device. This arrangement not only facilitates the sufficient consumption of ink, but also facilitates the consumer to continue printing by simply replacing the ink cartridge.
  • the print head chip protector of the present invention is installed once and can be used for a long period of time, that is, the consumer does not have to purchase the print head chip protector every time, and only needs to purchase the replacement ink cartridge to reduce the use cost. .
  • the shrapnel provided on the side of the print head chip protector can buffer the impact of the ink cartridge filled with ink on the print head chip protector.
  • the print head chip protector closes the contacts of the print head chip and the contacts on the print head chip protector that are in contact therewith, and the memory storage device thereof, even if the replacement ink cartridge is installed multiple times, the memory storage device is not Any damage is caused, as is the case during use, which helps to protect the contacts on the print head, the print head chip protector and its memory storage device, which is beneficial for long-term recycling.
  • FIG. 1 is a schematic structural view of a print head chip protector used in the present invention.
  • FIG. 2 is a schematic structural view of another print head chip protector used in the present invention.
  • Figure 6 is a schematic view showing the state of installation and use of the ink cartridge
  • FIG. 7 is a block diagram showing the control principle of the present invention.
  • Figure 8 is a flow chart of the control program of the present invention.
  • FIG. 9 is a detailed circuit diagram of the invention selected in accordance with its control principles.
  • the flank on the print head chip protector 1 is provided with a spring 2 which has a buffering effect.
  • the front portion has a contact surface 3 facing the print head contacts, the contact surface 3 being provided with contacts and memory storage means corresponding to the print head chip contacts.
  • the bottom of the print head chip protector 1 is provided with a positioning hole 4 for cooperating with the print head, and the positioning hole 4 can securely position the print head chip protector 1 on the print head.
  • the firmly positioned printhead chip protector does not have any structural relationship with the ink supply port and the ink supply needle where the ink cartridge and its ink cartridge are independent, even if the ink cartridge is swung or horizontally moved away from the center line of the ink supply port, It will not affect the communication effect.
  • Print head 2 is a schematic diagram of another printhead chip protector employed in the present invention.
  • the rear end of the chip protector 8 is provided with a fixed position 7 for mounting a memory storage device, so that the memory storage device is enclosed in the print head chip protector, thereby protecting the memory storage device. Since the printhead chip protector closes the contacts on the printhead chip contacts and the printhead chip protector in contact therewith and its memory storage device, even if the replacement ink cartridge is installed multiple times, the print head chip contacts are not And contact with the printhead chip protector in contact therewith Any damage caused by the dots helps protect the printhead and its printer.
  • the printhead chip protector structure is extremely simple, and it is possible to achieve precision injection molding with respect to a hollow ink cartridge or the above-described prior art complicated structure ink cartridge to ensure corresponding contact of the chip contacts.
  • the printhead chip protector closes the contacts on the printhead chip contacts and the printhead chip protector in contact therewith, there is no need to provide a protruding protection device for the circuit board on which the chip is located as in the prior art. There is also no need to provide an elastic handle to the ink cartridge as in the prior art, so that the overall structure of the ink cartridge is greatly simplified.
  • 3A and 3B are schematic diagrams showing the distribution of the memory storage device 5, the reset device 5' and the contacts 6 on the circuit board on the printhead chip protector.
  • the contacts 6 are on the front side of the circuit board, the memory storage device 5 and the reset device. 5' on the back of the board.
  • the back side of the circuit board in which the memory storage device 5 and the reset device 5' are located is in a cavity and thus can be protected. Even if the cartridge or printhead chip protector is accidentally damaged, you only need to replace the damaged part.
  • the ink cartridge 9 and the sealing member 10 used in the present invention are the ink cartridge 9 and the sealing member 10 used in the present invention.
  • the ink cartridge 9 and the printhead chip protector have a smooth separable cooperation relationship.
  • the ink supply port 11 of the ink cartridge 9 is provided with a sealing member 10, and the sealing member 10 has Made of elastic material, the shape is approximately cylindrical or round, and the inside is hollow.
  • the sealing port 12 of the sealing device is tightly wrapped around the clamping.
  • the ink needle is used to position the ink cartridge.
  • the outer periphery of the sealing member 10 is provided with a flange 13 which may be one, two or more weeks for sealing the ink supply port 11 of the ink cartridge 9 and the other end of the sealing member 10.
  • 14 is a closed end or intermediate pre-formed and traced. When the ink cartridge is removed from the printhead, the closed end 14 of the seal 10 is automatically closed to prevent
  • the ink cartridge 9 and the printhead chip protector can also be in a detachable fixed connection relationship. In this case, however, the ink cartridge 9 and the printhead chip protector are easily oscillated with the printer. The precision injection molding of the print head chip protector and the selection of elastic plastic are required to securely position the print head chip protector on the print head.
  • Figure 6 is a schematic view showing the state in which the ink cartridge is installed and used according to the present invention.
  • the state of use is the state of use on the print head. If the ink cartridge and the printhead chip protector are not mounted on the printhead, they cannot be installed together. Because there is no match between them.
  • the firmly positioned printhead chip protector does not have any structural relationship with the ink supply port and the ink supply needle where the ink cartridge and its ink cartridge are independent, even if the ink cartridge is swung or horizontally moved away from the center line of the ink supply port, It will not affect the communication effect.
  • FIG. 7 is a block diagram of the control device of the reset device.
  • the control circuit consists of four parts.
  • Module A is the memory storage device of the print head chip protector, and records the corresponding ink cartridge information
  • module B the main control circuit, that is, the reset function circuit, replaces the ink cartridge after the ink of the ink cartridge is used up, and performs ink amount on the memory storage device.
  • the information is reset;
  • the module C the main control circuit power supply, supplies power to the main control circuit of the memory storage device;
  • the module D the isolation circuit, isolates the connection between the printer and the memory storage device when the main control circuit resets the memory storage device.
  • Figure 8 is a flow chart of the control of the reset device.
  • the printer head protector is mounted on the print head of the printer, the positioning hole of the print head chip protector is firmly positioned with the print head, and the ink cartridge is loaded into the print head chip protector.
  • the printer performs a power-on reset and system initialization on the memory storage device on the print head chip protector, if the printer remembers the print head chip protector
  • the reset device is in a sleep state and does not function.
  • the isolation circuit isolates the printer from the memory storage device, leaving only the main control circuit to operate the memory storage device, and the main control circuit determines the value of the ink amount in the memory storage device. If the value indicating the amount of ink in the memory storage device reaches the set value, when we set the remaining value to 0, the value indicating the amount of ink in the memory storage device is reset to the full value, if the amount of ink in the storage device is recorded. The value does not reach the set value, and the value indicating the ink level in the memory storage device cannot be reset to the full value. This makes it possible to reset the reset device only when the ink amount of the memory storage device is 0, and the rest of the state cannot be reset.
  • the print head chip protector can conveniently realize the reset of the memory storage device. This arrangement not only facilitates the sufficient consumption of ink, but also facilitates the consumer to continue printing by simply replacing the ink cartridge.
  • the print head chip protector of the present invention is installed once and can be used for a long period of time, that is, the consumer does not have to purchase the print head chip protector every time, and only needs to purchase the replacement ink cartridge to reduce the use cost. Since the printhead chip protector closes the contacts on the printhead chip contacts and the printhead chip protector in contact therewith and its memory storage device, even if the replacement ink cartridge is installed multiple times, it will not cause any memory storage device. Damage, as well as during use, helps protect the contacts on the printhead, printhead chip protector and its memory storage device for long-term recycling.

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Description

说 明 书
打印头芯片保护器及其使用的墨盒 技术领域
本发明涉及喷墨打印机的打印头芯片保护器及其墨盒与控制方 法。
背景技术
在现有技术中，采用接触式芯片的喷墨打印机一般使用与之匹配 的可分离式墨盒，这种可分离式墨盒一般在底壁或侧壁设置有与打印 头所设置的芯片触点相对应的触点， 并设置有数据存储装置， 可分离 式墨盒在使用完毕后废弃。为了防止可分离式墨盒上的触点与打印头 上的触点接触不良或脱离接触，现有技术普遍采用了将可分离式墨盒 上的芯片电路板上的触点设置为沿墨盒水平摆动的中心对称的设计， 以试图使触点相对于供墨口中心线的位移最小并最终防止芯片脱离 接触。 同时， 为了防止芯片接触不良， 现有技术广泛采用了在芯片触 点上设置或涂敷传导性良好的导电材料。
在上述现有技术中，涉及芯片触点设置位置的典型的如美国专利
6， 502， 917专利， 该专利要求保护的墨盒与芯片触点所在的电路板 是不可分离的，带有芯片触点的墨盒在使用后残存大量墨水的情况下 废弃。 由于必须满足芯片触点与供墨口中心线的位置关系， 该专利必 然要求对墨盒整体的注塑及芯片的安装都保持较高的精度。 同时， 为 了保证芯片定位的牢固性， 美国专利 7， 008， 053进一步提出了采用 一种弹性把手， 设置于与芯片相对的墨盒侧壁上， 芯片甚至设置于一 突出的导向装置上。
为了防止芯片所在的墨盒整体在跌落或遭到冲击时使芯片遭到 破坏， 美国专利 6， 550 , 902进一步采用了一种突出的保护装置， 即 在芯片所在的电路板上方设置悬垂件， 此前， 这种悬垂件也被应用于 墨盒所在的电路板上。 然而， 这种悬垂件的保护作用非常有限， 即当 墨盒整体跌落时， 即使电路板所在的墨盒表面不直接受到冲击或碰 撞， 其冲击应力也足以损坏强度极低的芯片或芯片内部电路， 造成墨 盒整体报废。
本专利申请的发明者注意到：现有技术所采用的芯片及其记忆存 储装置事实上并不真实地检测和记录墨盒中的墨水，而是通过程序设 定假定墨盒中已注入了一定量的墨水，即使墨盒中仍然存留大量墨水 的情况下， 检测装置仍然可能提示墨水用尽或需更换墨盒， 存留墨水 量可高达 30%以上。
本专利申请的发明者注意到：现有技术所采用的芯片及其记忆存 储装置一体化地设置于墨盒的一个壁上， 当墨盒废弃时， 芯片与记忆 存储装置与残留的墨水同时废弃。不仅产生电子垃圾， 也产生化学废 本专利申请的发明者注意到：现有技术所采用的芯片及其记忆存 储装置一体化地设置于墨盒的一个壁上，这种设计不可避免地造成墨 盒上的芯片触点与打印头上的芯片触点之间的磨擦，这种磨擦不仅表 现在更换墨盒过程中， 也表现在打印机工作过程中。
现有技术的上述技术方案的共同问题是： 墨盒是一次性使用的， 使用 完毕后仍然残留大量的墨水， 废弃后必然污染环境。打印头上的芯片 触点必须承受多次安装更换墨盒及使用过程所造成的磨损，影响打印 机、 特别是打印头的使用寿命。 同时， 消费者必须每次都花费较高的 费用， 在购买墨盒的同时， 去购买附着于墨盒上并事实上仅完成虚拟 检测功能的芯片， 同时， 现有技术的墨盒结构过于复杂。
本发明内容
本发明的目的在于提供一种结构简单、便于装配与更换、定位精 确并有利于保护打印头芯片触点及其与之相连的记忆存储装置的打 印头芯片保护器及其墨盒。
本发明进一步的的目的在于通过保护打印头芯片保护器，使现有 技术必须在使用后废弃的芯片及其与之相连的记忆存储装置完好地 保存下来， 复位后循环使用。
本发明更进一步的的目的在于通过保护打印头芯片保护器并使 之复位， 使现有技术导致的墨水残留量问题得到解决， 并通过特殊的 供墨口设置及其与之配合的复位打印功能，使墨水容器中的墨水充分 得到使用， 其残留量大大减少。
本发明的上述目的是采用如下技术方案予以实现的：
打印头芯片保护器， 其特征在于： 所述打印头芯片保护器独立于 储存墨水容器的墨盒，所述打印头芯片保护器及其墨盒面向打印头触 点的接触面设置有与打印头芯片触点对应接触的触点，该触点与记忆 存储装置相连，所述触点被封闭于打印头芯片触点与打印头芯片保护 器之间， 所述打印头芯片保护器牢固定位安装于打印头上。 打印头芯片保护器设有与打印头配合的定位装置或定位孔。 根据本发明， 其特殊之处在于： 所述打印头芯片保护器设置有针 对记忆存储装置的复位装置。
根据本发明， 其特殊之处在于： 所述记忆存储装置被封闭于打印 头芯片触点与打印头芯片保护器之间，或处于打印头芯片保护器芯片 所在端的空腔之内。
根据本发明， 其特殊之处在于： 所述记忆存储装置的复位装置与 打印机控制按钮相连或独立设置。
根据本发明， 其特殊之处在于： 所述记忆存储装置连接一复位装 置， 所述的复位装置包括：
一个主控制电路， 用于向记忆存储装置内重写信息； 一个主控制电路电源；
一个隔离电路，
以上电路电连接。
根据本发明， 其特殊之处在于： 用于重写信息的所述主控制电路 与记忆存储装置制成一体或与记忆存储装置设置于同一电路板上。
根据本发明， 其特殊之处在于： 填充有墨水的墨盒独立于打印头 芯片保护器， 其供墨口供插入供墨针， 填充有墨水的墨盒与打印头芯 片保护器为可分离滑动配合关系或可分离固定连接关系，墨盒的供墨 口设有弹性密封装置， 该弹性密封装置密封供墨口并环绕夹紧供墨 针。
根据本发明， 其特殊之处在于： 所述弹性密封装置内部呈中空状， 其 中空部上端具有密封供墨针的密封口，底部为封闭端或制有便于供墨 针穿过的切痕， 密封装置的外周设有密封供墨口的凸缘， 所述凸缘为 一周、 二周或多周。
根据本发明， 其特殊之处在于： 所述打印头芯片保护器的侧翼设 置有弹片， 填充有墨水的墨盒与打印头芯片保护器的该弹片弹性接 触。
打印头芯片保护器的控制方法， 其特征在于： 当打印头上的触点 与打印头芯片保护器的触点连接后，打印机对打印头芯片保护器上的 记忆存储装置进行上电复位和系统初始化，如果是打印机对打印头芯 片保护器的记忆存储装置进行供电， 那么复位装置处于睡眠状态， 如 果是主控制电路电源供电，那么隔离电路把打印机与记忆存储装置进 行隔离， 只剩下主控制电路对记忆存储装置进行操作， 主控制电路对 记忆存储装置内的表示墨水量的数值进行判断，如果记忆存储装置内 表示墨水量的数值达到设定值， 即设定剩余值为 0时， 对记忆存储装 置内表示墨水量的数值进行复位成满量值，如果记录存储装置内表示 墨水量的数值没有达到设定值，记忆存储装置内表示墨水量的数值无 法复位成满量值， 这样可以实现只每一次记忆存储装置墨水量为 0 时， 复位装置才可以复位， 其余状态无法复位。
由于本发明采用了上述技术方案，进而消除了多种现有技术存在 的缺陷， 具有如下优点和积极效果：
所述牢固定位的打印头芯片保护器可以不和与其独立的墨盒及 其墨盒所在的供墨口和供墨针发生任何结构关系，即使墨盒发生 摆动或水平移动而偏离了供墨口的中心线， 也不会影响通信效 果。
1、 所述打印头芯片保护器结构极其简单， 相对于一个空心 的墨盒或上述现有技术的复杂墨盒， 其可以实现精密注 塑， 确保芯片触点的良好对应接触。
2、 所述打印头芯片保护器可以确保打印头芯片触点及与之 接触的打印头芯片保护器上的触点均处于牢固的封闭接 触状态， 所述触点不可能受到墨水的污染或腐蚀， 受到 冲击、 磨擦或磨损的可能也基本消除。
3、 由于所述打印头芯片保护器将打印头芯片触点及与之接 触的打印头芯片保护器上的触点及其记忆存储装置封 闭， 即使多次安装更换墨盒也不会对打印头芯片触点及 与之接触的打印头芯片保护器上的触点造成任何损害， 有利于保护打印头及其打
印机。
4、 由于所述打印头芯片保护器将打印头芯片触点及与之接 触的打印头芯片保护器上的触点封闭， 因而， 不需要如 现有技术那样对芯片所在的电路板设置突出的保护装 置， 也不需要像现有技术那样对墨盒设置弹性把手， 使 墨盒的整体结构大大简化。
5、 即使墨盒或打印头芯片保护器意外损坏， 也只需更换损 坏部分。 由于复位装置的设置，打印头芯片保护器可以方便地实现记忆存 储装置的复位， 这一设置不仅有利于墨水的充分消耗， 也有利于 消费者仅仅通过更换墨盒， 既可实现继续打印。
6、 本发明的打印头芯片保护器的安装是一次性的， 而使用 可以是长期、 循环的， 即消费者不必每一次均购买打印 头芯片保护器， 而只需购买更换墨盒， 降低使用成本。
7、 打印头芯片保护器侧翼设置的弹片可以缓冲填充有墨水 的墨盒对打印头芯片保护器的冲击。
8、 由于所述打印头芯片保护器将打印头芯片触点及与之接 触的打印头芯片保护器上的触点及其记忆存储装置封 闭， 即使多次安装更换墨盒也不会对记忆存储装置造成 任何损害， 使用过程中也是如此， 有利于保护打印头、 打印头芯片保护器上的触点及其记忆存储装置， 有利于 长期循环使用。
附图说明
图 1为本发明采用的一种打印头芯片保护器的结构示意图 图 2为本发明采用的另一种打印头芯片保护器的结构示意图
图 6为本发明墨盒安装使用状态示意图
图 7是本发明的控制原理方框图。
图 8是本发明的控制程序流程图。
图 9是本发明选择的符合其控制原理的一种详细电路图。
具体实施方式
为了充分的理解本发明， 现结合附图做进一步的说明。
图 1是本发明采用的一种打印机头芯片转换保护器的示意图。打 印头芯片保护器 1上的侧翼设置有一弹片 2， 该弹片具有缓冲作用。 前部有面向打印头触点的接触面 3， 该接触面 3上设置有与打印头芯 片触点对应接触的触点和记忆存储装置。打印头芯片保护器 1的底部 设有与打印头配合的定位孔 4， 该定位孔 4可以把打印头芯片保护器 1牢固定位安装于打印头上。 所述牢固定位的打印头芯片保护器不和 与其独立的墨盒及其墨盒所在的供墨口和供墨针发生任何结构关系， 即使墨盒发生摆动或水平移动而偏离了供墨口的中心线，也不会影响 通信效果。
图 2是本发明采用的另一种打印头芯片保护器的示意图。 打印头 心
片保护器 8后端上设有安装记忆存储装置的固定位 7， 这样记忆存储 装置被封闭在打印头芯片保护器内，这样对记忆存储装置起到保护作 用。由于所述打印头芯片保护器将打印头芯片触点及与之接触的打印 头芯片保护器上的触点及其记忆存储装置封闭，即使多次安装更换墨 盒也不会对打印头芯片触点及与之接触的打印头芯片保护器上的触 点造成任何损害， 有利于保护打印头及其打印机。所述打印头芯片保 护器结构极其简单，相对于一个空心的墨盒或上述现有技术的复杂结 构墨盒， 其可以实现精密注塑， 确保芯片触点的对应接触。 由于所述 打印头芯片保护器将打印头芯片触点及与之接触的打印头芯片保护 器上的触点封闭， 因而， 不需要如现如技术那样对芯片所在的电路板 设置突出的保护装置， 也不需要像现有技术那样对墨盒设置弹性把 手， 使墨盒的整体结构大大简化。
图 3A、 图 3B是打印头芯片保护器上的记忆存储装置 5、 复位装 置 5'和触点 6在电路板上的分布示意图，触点 6在电路板的正面， 记 忆存储装置 5和复位装置 5'在电路板的背面。记忆存储装置 5和复位 装置 5'所在的电路板的背面处于一空腔内， 因而可以得到保护。即使 墨盒或打印头芯片保护器意外损坏， 也只需更换损坏部分。
图 4、 图 5是本发明采用的墨盒 9和密封件 10， 墨盒 9与打印头 芯片保护器为平滑的可分离配合关系， 墨盒 9的供墨口 11设有密封 件 10， 密封件 10有弹性材料制成， 外形近似一圆柱状或圆台状， 内 部呈中空状， 一端有密封口 12， 用于密封打印头上的供墨针， 该密 封装置的密封口 12紧紧地环绕夹紧供墨针， 实现墨盒的定位， 密封 件 10的外周上设有凸缘 13， 凸缘 13可为一周、 二周或多周， 用于 密封墨盒 9的供墨口 11， 密封件 10的另一端 14是封闭端或者中间 预先制有且痕， 当墨盒从打印头上卸下时， 密封件 10的封闭端 14自 动闭合， 可以防止墨水泄露。
当然， 墨盒 9与打印头芯片保护器也可为可分离固定连接关系， 但这种情况下，墨盒 9与打印头芯片保护器容易随打印机产生一体化 的摆动。需利用对打印头芯片保护器的精密注塑及选择弹性塑料使打 印头芯片保护器牢固定位于打印头上。
图 6为本发明的一种墨盒安装使用状态示意图，该使用状态是在打印 头上的使用状态，如果墨盒和打印头芯片保护器没有在安装到打印头 上时， 是无法安装在一起的， 因为它们之间没有任何配合关系。所述 牢固定位的打印头芯片保护器不和与其独立的墨盒及其墨盒所在的 供墨口和供墨针发生任何结构关系，即使墨盒发生摆动或水平移动而 偏离了供墨口的中心线， 也不会影响通信效果。
图 7为复位装置控制原理框图， 控制电路包括 4个部分。 模块 A 是打印头芯片保护器的记忆存储装置，记录相应的墨盒信息；模块 B， 主控制电路， 也就是复位功能电路， 当墨盒的墨水用完之后进行更换 墨盒， 对记忆存储装置进行墨水量信息进行复位； 模块 C , 主控制电 路电源，为记忆存储装置的主控制电路提供电源；模块 D ,隔离电路， 当主控制电路对记忆存储装置进行复位时，隔离打印机与记忆存储装 置的连接。
图 8为复位装置控制流程图。在使用时， 想把打印头芯片保护器装进 打印机的打印头上，打印头芯片保护器的定位孔与打印头进行牢固定 位， 再把墨盒装入打印头芯片保护器。当打印头上的触点与打印头芯 片保护器的触点连接后，打印机对打印头芯片保护器上的记忆存储装 置进行上电复位和系统初始化，如果是打印机对打印头芯片保护器的 记忆存储装置进行供电， 那么复位装置处于睡眠状态， 不起作用。 如 果是主控制电路电源供电，那么隔离电路把打印机与记忆存储装置进 行隔离， 只剩下主控制电路对记忆存储装置进行操作， 主控制电路对 记忆存储装置内的表示墨水量的数值进行判断，如果记忆存储装置内 表示墨水量的数值达到设定值， 我们设定剩余值为 0时， 对记忆存储 装置内表示墨水量的数值进行复位成满量值，如果记录存储装置内表 示墨水量的数值没有达到设定值，记忆存储装置内表示墨水量的数值 无法复位成满量值，这样可以实现只每一次记忆存储装置墨水量为 0 时，复位装置才可以复位，其余状态无法复位。由于复位装置的设置， 打印头芯片保护器可以方便地实现记忆存储装置的复位，这一设置不 仅有利于墨水的充分消耗， 也有利于消费者仅仅通过更换墨盒， 既可 实现继续打印。本发明的打印头芯片保护器的安装是一次性的， 而使 用可以是长期、循环的， 即消费者不必每一次均购买打印头芯片保护 器， 而只需购买更换墨盒， 降低使用成本。 由于所述打印头芯片保护 器将打印头芯片触点及与之接触的打印头芯片保护器上的触点及其 记忆存储装置封闭，即使多次安装更换墨盒也不会对记忆存储装置造 成任何损害， 使用过程中也是如此， 有利于保护打印头、 打印头芯片 保护器上的触点及其记忆存储装置， 有利于长期循环使用。

Claims

权利要求书 、 打印头芯片保护器， 其特征在于： 所述打印头芯片保护器独立 于储存墨水容器的墨盒， 所述打印头芯片保护器及其墨盒面向 打印头触点的接触面设置有与打印头芯片触点对应接触的触 点， 该触点与记忆存储装置相连， 所述触点被封闭于打印头芯 片触点与打印头芯片保护器之间， 所述打印头芯片保护器牢固 定位安装于打印头上。
、 根据权利要求 1所述的打印头芯片保护器， 其特征在于： 所述 打印头芯片保护器设置有针对记忆存储装置的复位装置。
、 根据权利要求 2所述的打印头芯片保护器， 其特征在于： 所述 记忆存储装置被封闭于打印头芯片触点与打印头芯片保护器之 间， 或处于打印头芯片保护器芯片所在端的空腔之内。
、 根据权利要求 1所述的打印头芯片保护器， 其特征在于： 所述 记忆存储装置的复位装置与打印机控制按钮相连或独立设置。 、 根据权利要求 1或 2或 3或 4所述的打印头芯片保护器， 其特 征在于： 所述记忆存储装置连接一复位装置， 所述的复位装置 包括：
一个主控制电路， 用于向记忆存储装置内重写信息；
一个主控制电路电源；
一个隔离电路，
以上电路电连接。
、 根据权利要求 5所述的打印头芯片保护器， 特征在于： 用于重写
12
g ^页 （细则第 ^ 1翁 信息
的所述主控制电路与记忆存储装置制成一体或与记忆存储装置 设置于同一电路板上。
7、 根据权利要求 1所述的打印头芯片保护器所使用的墨盒， 其特 征在于： 填充有墨水的墨盒独立于打印头芯片保护器， 其供墨 口供插入供墨针， 填充有墨水的墨盒与打印头芯片保护器为可 分离滑动配合关系或可分离固定连接关系， 墨盒的供墨口设有 弹性密封装置，该弹性密封装置密封供墨口并环绕夹紧供墨针。
8、 根据权利要求 7所述的打印头芯片保护器所使用的墨盒， 其特 征在于： 所述弹性密封装置内部呈中空状， 其中空部上端具有 密封供墨针的密封口， 底部为封闭端或制有便于供墨针穿过的 切痕， 密封装置的外周设有密封供墨口的凸缘， 所述凸缘为一 周、 二周或多周。
9、 根据权利要求 5所述的打印头芯片保护器所使用的墨盒， 其特 征在于： 填充有墨水的墨盒独立于打印头芯片保护器， 其供墨 口供插入供墨针， 填充有墨水的墨盒与打印头芯片保护器为可 分离滑动配合关系或可分离固定连接关系， 墨盒的供墨口设有 弹性密封装置，该弹性密封装置密封供墨口并环绕夹紧供墨针。
10、 根据权利要求 9所述的打印头芯片保护器所使用的墨盒， 其特 征在于： 所述打印头芯片保护器的侧翼设置有弹片， 填充有墨 水的墨盒与打印头芯片保护器的该弹片弹性接触。
11、 打印头芯片保护器的控制方法， 其特征在于： 当打印头上的触
13
页 细则第 点与打印头芯片保护器的触点连接后， 打印机对打印头芯片保 护器上的记忆存储装置进行上电复位和系统初始化， 如果是打 印机对打印头芯片保护器的记忆存储装置进行供电， 那么复位 装置处于睡眠状态， 如果是主控制电路电源供电， 那么隔离电 路把打印机与记忆存储装置进行隔离， 只剩下主控制电路对记 忆存储装置进行操作， 主控制电路对记忆存储装置内的表示 水量的数值进行判断， 如果记忆存储装置内表示墨水量的数值 达到设定值， 即设定剩余值为 0时， 对记忆存储装置内表示墨 水量的数值进行复位成满量值， 如果记录存储装置内表示墨水 量的数值没有达到设定值， 记忆存储装置内表示墨水量的数值 无法复位成满量值， 这样可以实现只每一次记忆存储装置墨水 量为 0时， 复位装置才可以复位， 其余状态无法复位。
14
页 （细'则第 il条))
PCT/CN2009/070141 2008-01-15 2009-01-14 打印头芯片保护器及其使用的墨盒 WO2009092317A1 (zh)

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