WO2006026910A1 - A cartridge capable of sensing ink amount by electrode sheets - Google Patents

A cartridge capable of sensing ink amount by electrode sheets Download PDF

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Publication number
WO2006026910A1
WO2006026910A1 PCT/CN2005/001394 CN2005001394W WO2006026910A1 WO 2006026910 A1 WO2006026910 A1 WO 2006026910A1 CN 2005001394 W CN2005001394 W CN 2005001394W WO 2006026910 A1 WO2006026910 A1 WO 2006026910A1
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WO
WIPO (PCT)
Prior art keywords
ink
bag
air
air bag
ink cartridge
Prior art date
Application number
PCT/CN2005/001394
Other languages
French (fr)
Chinese (zh)
Inventor
Yi Zhou
Baoquan Chen
Cheng Wang
Original Assignee
Ninestar Image Co., Ltd.
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Filing date
Publication date
Application filed by Ninestar Image Co., Ltd. filed Critical Ninestar Image Co., Ltd.
Publication of WO2006026910A1 publication Critical patent/WO2006026910A1/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
    • B41J2/17566—Ink level or ink residue control
    • 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
    • B41J2/17566—Ink level or ink residue control
    • B41J2002/17579—Measuring electrical impedance for ink level indication

Definitions

  • the present invention relates to an ink cartridge that utilizes an electrode sheet to sense the amount of ink. Background technique
  • a closed pressure vessel is used to press the air into the pressure vessel to squeeze the ink bag and deliver the ink from the ink bag.
  • the structure of such a closed pressure vessel is relatively complicated, the processing technology is required to be high, and the cost of the product is increased.
  • printing is stopped when the ink is nearly used up in the ink cartridge, which prevents damage to the print head due to lack of ink.
  • the print heads of such high output devices are often very expensive. It uses an ink detection circuit that has an induction coil on each side of the ink bag. An AC signal is passed through one coil to induce a voltage value on the other coil. The magnitude of this voltage value varies as the distance between the two coils changes.
  • the manufacturing process of such an induction coil is very complicated, and the cost of the material is high, which greatly increases the cost of use of the customer. Summary of the invention
  • an ink cartridge for sensing ink amount by using an electrode sheet comprising: a bottom case for fixing the ink cartridge in a locked position, for protecting an ink bag and an air bag, and fixing the ink cartridge in a locking position when the printer is mounted; ,
  • An air bag for pressurizing an ink bag is an air bag for pressurizing an ink bag
  • the electrode sheet detects the actual volume of ink in the ink bag.
  • the electrode sheet comprises two parts: one part is in direct contact with the ink; the other part is connected to the electrical contacts of the printer.
  • the resistance between the pads ranges from 0 ⁇ to 30 ⁇ .
  • the bottom plate has an ink outlet and an air inlet, and the ink outlet communicates with the ink bag, the air inlet and the air bag The same.
  • the ink bag is a flexible variable-volume bag. In the initial state, the ink bag occupies almost the space in the bottom case, and the volume is the largest. As the ink is continuously consumed, the volume inside the ink bag is continuously reduced.
  • the airbag is a flexible variable-volume bag.
  • the airbag In the initial state, the airbag is like a film, and the volume is the smallest.
  • the pressurized air is continuously charged, and the volume of the airbag is continuously It becomes bigger, and its change process is just the opposite of the change of the ink bag.
  • the bottom case is a rectangular shell with an open end, which is formed by injection molding, and has two locking buckles at the bottom end for fixing the ink cartridge after the ink cartridge is loaded into the printer.
  • the assembly relationship between the ink bag and the air bag in the bottom case is as follows: The air bag presses the ink bag through the pressing plate.
  • the bottom plate has an ink outlet port and an air inlet port, and the ink outlet port communicates with the ink bag, and the air inlet port communicates with the air bag.
  • the assembly relationship is that the chassis, the ink bag, and the air bag are fitted into the bottom case, and then the cover is closed.
  • the bottom case is a rectangular housing that is open at one end and is made by injection molding. The bottom end has two locking buckles for fixing the ink cartridge after the ink cartridge is loaded into the printer.
  • Figure 1 is a perspective view of the ink cartridge structure of the present invention
  • Figure 2 is a structural view of the air bag of the ink cartridge of the present invention
  • Figure 3 is an assembly view of the ink cartridge solid disc and the ink bag and the electrode sheet of the present invention.
  • Figure 4 is a cross-sectional view of the ink cartridge chassis of the present invention
  • Figure 5 is a cross-sectional view of the present invention taken along line A-A of Figure 1
  • the ink cartridge according to the present invention comprises a bottom case 5, an upper cover 1, a chassis 3, an ink bag 4, an air bag 10, an electrode sheet 2, and a chassis 3 for fixing the ink bag 4, the air bag 10, and the electrode sheet 2.
  • the electrode sheet 2 is made of a conductive material.
  • a part of the electrode piece directly protrudes into the ink bag to be in contact with the ink, and another part is fixed on the chassis to be in contact with the electrical contact of the printer, the ink bag 4 is fixed on the chassis 3, and the air bag 10 is welded on the air bag frame 11, Mounted on the chassis 3 by assembly, the assembled position of the ink bag 4 and the air bag 10 in the bottom case 5 is as shown in Fig.
  • the air bag 10 presses the ink bag 4 through the pressing plate 13, as shown in Fig. 2 and Fig. 3, the chassis 3 has an ink on it
  • the mouth 8 and an air inlet 9 communicate with the ink bag 4, and the air inlet 9 communicates with the air bag 10.
  • the assembly method is that the chassis 3, the ink bag 4, and the air bag 10 are loaded into the bottom case, and then the cover is closed.
  • the bottom case 5 is a rectangular housing which is open at one end and is formed by an injection molding method. The bottom end has two locking buckles 12 for fixing the ink cartridge after the ink cartridge is loaded into the printer.

Landscapes

  • Ink Jet (AREA)

Abstract

A cartridge capable of sensing ink amount by electrode sheets may be used in a wide-format inkjet printer. The cartridge is comprised of a bottom housing, a top cover, a bottom disk, an ink bag and an air bladder. The air bladder has an air inlet for receiving the compressed air from a printing system. By means of the inflation of the air bladder, the ink bag may be tightly pressed so as to supply ink to the printing system via an ink outlet. A pair of electrode sheets may be provided in the cartridge and mounted in the ink bag . By detecting an electric resistance between the electrode sheets, we may sense an actual volumn of ink in the ink bag.

Description

利用电极片感应墨水量的墨盒 技术领域  Ink cartridge for sensing ink amount by using electrode sheet
本发明涉及一种利用电极片感应墨水量的墨盒。 背景技术  The present invention relates to an ink cartridge that utilizes an electrode sheet to sense the amount of ink. Background technique
目前有一种大幅面的打印系统， 对墨水的传递系统提出了苛刻的要求， 其中采 用一个封闭的压力容器， 通过把空气压进压力容器， 来对墨水袋进行挤压， 把墨水从 墨水袋输送到打印头。 这样的封闭压力容器的结构比较复杂， 加工工艺要求较高， 增 加了产品的成本。 在这种喷墨打印系统中， 在墨盒中墨水接近用完时， 打印会停止， 这样可以防止因为没有墨水， 打印头干燥燃烧而受到损害。 而这种高输出装置的打印 头往往是很贵的。 它使用墨水检测电路， 即在墨水袋两边各有一个感应线圈。 使一个 交流信号通过一个线圈， 在另一个线圈上感应出一个电压值。 这个电压值的大小随着 两个线圈之间的距离变化而变化。这种感应线圈的制造工艺非常复杂， 材料的成本很 高， 大大增加了客户的使用成本。 发明内容  At present, there is a large-format printing system that imposes stringent requirements on the ink delivery system. A closed pressure vessel is used to press the air into the pressure vessel to squeeze the ink bag and deliver the ink from the ink bag. To the print head. The structure of such a closed pressure vessel is relatively complicated, the processing technology is required to be high, and the cost of the product is increased. In such an ink jet printing system, printing is stopped when the ink is nearly used up in the ink cartridge, which prevents damage to the print head due to lack of ink. The print heads of such high output devices are often very expensive. It uses an ink detection circuit that has an induction coil on each side of the ink bag. An AC signal is passed through one coil to induce a voltage value on the other coil. The magnitude of this voltage value varies as the distance between the two coils changes. The manufacturing process of such an induction coil is very complicated, and the cost of the material is high, which greatly increases the cost of use of the customer. Summary of the invention
本发明的目的是提供一种利用电极片感应墨水量的打印机墨盒， 它能为打印头 提供稳定、 可靠的墨水供给。 它有结构简单、 制造方便、 成本低和易于使用等优点。  SUMMARY OF THE INVENTION It is an object of the present invention to provide a printer cartridge that utilizes an electrode pad to sense the amount of ink that provides a stable, reliable ink supply to the printhead. It has the advantages of simple structure, convenient manufacturing, low cost and easy to use.
为了实现上述目的， 提供一种利用电极片感应墨水量的墨盒， 包括- 用于将墨盒固定在锁紧位置的底壳， 用于保护墨水袋及气囊， 以及装打印机时 固定墨盒在锁紧位置，  In order to achieve the above object, an ink cartridge for sensing ink amount by using an electrode sheet is provided, comprising: a bottom case for fixing the ink cartridge in a locked position, for protecting an ink bag and an air bag, and fixing the ink cartridge in a locking position when the printer is mounted; ,
用于固定墨水袋、 气囊、 电极片的底盘，  a chassis for fixing ink bags, air bags, and electrode sheets,
用于存储墨水的墨水袋，  Ink bag for storing ink,
用于给墨水袋加压的气囊，  An air bag for pressurizing an ink bag,
电极片， 检测墨袋中墨水的实际体积。  The electrode sheet detects the actual volume of ink in the ink bag.
所述电极片包括两部分： 一部分直接与墨水接触； 另一部分与打印机的电触点连 接。 电极片之间的电阻范围在 0 Ω〜30Κ Ω之间。  The electrode sheet comprises two parts: one part is in direct contact with the ink; the other part is connected to the electrical contacts of the printer. The resistance between the pads ranges from 0 Ω to 30 Ω.
所述底盘上面有一个出墨口和一个进气口， 出墨口与墨水袋相通， 进气口与气囊 相通。 The bottom plate has an ink outlet and an air inlet, and the ink outlet communicates with the ink bag, the air inlet and the air bag The same.
所述墨水袋是柔性的可变体积的袋子， 在初始状态时墨水袋几乎占满底壳内的空 间， 体积最大， 随着墨水的不断消耗， 墨水袋内的体积不断变小。  The ink bag is a flexible variable-volume bag. In the initial state, the ink bag occupies almost the space in the bottom case, and the volume is the largest. As the ink is continuously consumed, the volume inside the ink bag is continuously reduced.
所述气囊是柔性的可变体积的袋子，在初始状态时气囊就象一张薄膜，体积最小， 在打印过程中， 随着墨水的不断消耗， 加压空气的不断充入， 气囊的体积不断变大， 它的变化过程跟墨水袋的变化过程刚好相反。  The airbag is a flexible variable-volume bag. In the initial state, the airbag is like a film, and the volume is the smallest. During the printing process, as the ink is continuously consumed, the pressurized air is continuously charged, and the volume of the airbag is continuously It becomes bigger, and its change process is just the opposite of the change of the ink bag.
所述底壳是一端开口的长方形壳体， 通过注塑方式制成， 底端有两个锁紧扣位， 在墨盒装进打印机后用于固定墨盒。  The bottom case is a rectangular shell with an open end, which is formed by injection molding, and has two locking buckles at the bottom end for fixing the ink cartridge after the ink cartridge is loaded into the printer.
墨水袋和气囊在底壳内的装配关系为： 气囊通过压板压紧墨水袋， 底盘上面有 —个出墨口和一个进气口， 出墨口与墨水袋相通， 进气口与气囊相通。 装配关系为底 盘、 墨水袋、 气囊一起装进底壳， 然后再盖上盖。 底壳是一端开口的长方形壳体， 通 过注塑方法制成， 底端有两个锁紧扣位， 在墨盒装进打印机后用来固定墨盒。 附图说明  The assembly relationship between the ink bag and the air bag in the bottom case is as follows: The air bag presses the ink bag through the pressing plate. The bottom plate has an ink outlet port and an air inlet port, and the ink outlet port communicates with the ink bag, and the air inlet port communicates with the air bag. The assembly relationship is that the chassis, the ink bag, and the air bag are fitted into the bottom case, and then the cover is closed. The bottom case is a rectangular housing that is open at one end and is made by injection molding. The bottom end has two locking buckles for fixing the ink cartridge after the ink cartridge is loaded into the printer. DRAWINGS
图 1本发明墨盒结构立体图  Figure 1 is a perspective view of the ink cartridge structure of the present invention
图 2是本发明墨盒气囊结构图  Figure 2 is a structural view of the air bag of the ink cartridge of the present invention
图 3是本发明墨盒实底盘与墨水袋及电极片的装配图  Figure 3 is an assembly view of the ink cartridge solid disc and the ink bag and the electrode sheet of the present invention.
图 4是本发明墨盒底盘的剖视图  Figure 4 is a cross-sectional view of the ink cartridge chassis of the present invention
图 5是本发明沿图 1A-A线的剖视图  Figure 5 is a cross-sectional view of the present invention taken along line A-A of Figure 1
图中： 1、 上盖 2、 电极片 3、 底盘 4、 墨水袋 5、 底壳 6、 压帽、 7、 密封 塞 8、 出墨口 9、 进气口 10、 气囊 11、 气囊架 12、 锁紧扣位 13、 压板 具体实施方式  In the figure: 1. upper cover 2, electrode sheet 3, chassis 4, ink bag 5, bottom case 6, pressure cap, 7, sealing plug 8, ink outlet 9, air inlet 10, air bag 11, air bag holder 12, Locking buckle 13, the specific embodiment of the pressure plate
以下结合实施方式和附图对本发明作进一步详细说明。  The present invention will be further described in detail below in conjunction with the embodiments and the accompanying drawings.
如图 1所示， 根据本发明的墨盒包括底壳 5、 上盖 1、 底盘 3、 墨水袋 4、 气囊 10、 电极片 2、 底盘 3是用来固定墨水袋 4、 气囊 10及电极片 2。 电极片 2由导电材 料制成。 如图 4， 电极片的一部分直接伸进墨水袋与墨水接触， 另一部分固定在底盘 上与打印机的电触点相接， 墨水袋 4固定在底盘 3上， 气囊 10焊接在气囊架 11上， 通过装配方式固定在底盘 3上， 墨水袋 4和气囊 10在底壳 5内的装配位置如图 5所 示： 气囊 10通过压板 13压紧墨水袋 4， 如图 2、 图 3所示， 底盘 3上面有一个出墨 口 8和一个进气口 9， 出墨口 8与墨水袋 4相通， 进气口 9与气囊 10相通。装配方式 是底盘 3、 墨水袋 4、 气囊 10—起装进底壳， 然后再盖上盖。 底壳 5是一端开口的长 方形壳体， 是通过注塑方法制成的， 底端有两个锁紧扣位 12， 在墨盒装进打印机后用 来固定墨盒。 As shown in FIG. 1, the ink cartridge according to the present invention comprises a bottom case 5, an upper cover 1, a chassis 3, an ink bag 4, an air bag 10, an electrode sheet 2, and a chassis 3 for fixing the ink bag 4, the air bag 10, and the electrode sheet 2. . The electrode sheet 2 is made of a conductive material. As shown in FIG. 4, a part of the electrode piece directly protrudes into the ink bag to be in contact with the ink, and another part is fixed on the chassis to be in contact with the electrical contact of the printer, the ink bag 4 is fixed on the chassis 3, and the air bag 10 is welded on the air bag frame 11, Mounted on the chassis 3 by assembly, the assembled position of the ink bag 4 and the air bag 10 in the bottom case 5 is as shown in Fig. 5: The air bag 10 presses the ink bag 4 through the pressing plate 13, as shown in Fig. 2 and Fig. 3, the chassis 3 has an ink on it The mouth 8 and an air inlet 9 communicate with the ink bag 4, and the air inlet 9 communicates with the air bag 10. The assembly method is that the chassis 3, the ink bag 4, and the air bag 10 are loaded into the bottom case, and then the cover is closed. The bottom case 5 is a rectangular housing which is open at one end and is formed by an injection molding method. The bottom end has two locking buckles 12 for fixing the ink cartridge after the ink cartridge is loaded into the printer.

Claims

1、 一种利用电极片感应墨水量的墨盒， 其特征在于， 包括： What is claimed is: 1. An ink cartridge for sensing ink amount by using an electrode sheet, comprising:
用于保护墨水袋和气囊并将墨盒固定在锁紧位置的底壳，  a bottom case for protecting the ink bag and the air bag and fixing the ink cartridge in the locked position,
用于固定墨水袋、 气囊、 电极片的底盘，  a chassis for fixing ink bags, air bags, and electrode sheets,
用于存储墨水的墨水袋， . 用于给墨水袋加压的气囊，  An ink bag for storing ink, an air bag for pressurizing an ink bag,
权  Right
安装在墨水袋之内的电极片。 ..  An electrode piece mounted inside the ink bag. ..
2、根据权利要求 1所述的利用电极片感应墨水量的墨盒，其特征在于，所述电极 片包括两部分： 一部分直接与墨水接触； 另一部分与打印机的电触点连接， 且电极片 求  2 . The ink cartridge according to claim 1 , wherein the electrode sheet comprises two parts: one part is in direct contact with the ink; the other part is connected to the electrical contact of the printer, and the electrode piece is obtained.
之间的电阻范围在 0 Ω〜30Κ Ω之间。 The resistance range is between 0 Ω and 30 Ω.
3、根据权利要求 1所述的墨盒， 其特征在于， 所述电极片分成两部分， 一部分直 接伸进墨水袋与墨水接触， 另一部分固定在底盘上， 并与打印机的电触点相接， The ink cartridge according to claim 1, wherein the electrode sheet is divided into two parts, a part of which is directly inserted into the ink bag to be in contact with the ink, and the other part is fixed on the chassis and is in contact with the electrical contact of the printer.
4、根据权利要求 1所述的利用电极片感应墨水量的墨盒，其特征在于，底盘上面 有一个出墨口和一个进气口， 出墨口与墨水袋相通， 进气口与气囊相通。 4. The ink cartridge according to claim 1, wherein the bottom plate has an ink outlet and an air inlet, and the ink outlet communicates with the ink bag, and the air inlet communicates with the air bag.
5、根据权利要求 1所述的利用电极片感应墨水量的墨盒，其特征在于，墨水袋是 柔性的可变体积的袋子， 在初始状态时墨水袋体积最大。  An ink cartridge for sensing the amount of ink by using an electrode sheet according to claim 1, wherein the ink bag is a flexible variable-volume bag, and the ink bag has the largest volume in an initial state.
6、根据权利要求 1所述的利用电极片感应墨水量的墨盒，其特征在于，气囊是一 个柔性的可变体积的袋子， 在初始状态时气囊体积最小。  An ink cartridge for sensing ink amount using an electrode sheet according to claim 1, wherein the air bag is a flexible variable volume bag, and the air bag volume is minimized in an initial state.
7、根据权利要求 1所述的利用电极片感应墨水量的墨盒，其特征在于，底壳是一 端开口的长方形壳体， 在底壳的底端设置有两个锁紧扣位。  The ink cartridge for sensing ink amount by using an electrode sheet according to claim 1, wherein the bottom case is a rectangular case having an open end, and two locking buckles are disposed at a bottom end of the bottom case.
8、根据权利要求 1所述的利用电极片感应墨水量的墨盒，其特征在于，墨水袋固 定在底盘上， 气囊固定在气囊架上， 气囊架通过装配方式固定在底盘上。  8. The ink cartridge according to claim 1, wherein the ink bag is fixed to the chassis, the air bag is fixed to the air bag frame, and the air bag frame is fixed to the chassis by assembly.
PCT/CN2005/001394 2004-09-05 2005-09-02 A cartridge capable of sensing ink amount by electrode sheets WO2006026910A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN200420083649.6 2004-09-05
CNU2004200836496U CN2734479Y (en) 2004-09-05 2004-09-05 Print cartridges capable of inducting ink quantity utilizing electrode piece

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WO2006026910A1 true WO2006026910A1 (en) 2006-03-16

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