WO2022184072A1 - Cartouche d'encre - Google Patents

Cartouche d'encre Download PDF

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Publication number
WO2022184072A1
WO2022184072A1 PCT/CN2022/078696 CN2022078696W WO2022184072A1 WO 2022184072 A1 WO2022184072 A1 WO 2022184072A1 CN 2022078696 W CN2022078696 W CN 2022078696W WO 2022184072 A1 WO2022184072 A1 WO 2022184072A1
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WO
WIPO (PCT)
Prior art keywords
light
ink
shielding member
ink cartridge
cartridge according
Prior art date
Application number
PCT/CN2022/078696
Other languages
English (en)
Chinese (zh)
Inventor
陈志远
赵升魁
王朋
林东明
Original Assignee
珠海瑧挚科技有限公司
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
Priority claimed from CN202120727450.6U external-priority patent/CN214774860U/zh
Priority claimed from CN202122946426.4U external-priority patent/CN219191667U/zh
Application filed by 珠海瑧挚科技有限公司 filed Critical 珠海瑧挚科技有限公司
Publication of WO2022184072A1 publication Critical patent/WO2022184072A1/fr

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    • 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

Definitions

  • the present invention relates to the field of inkjet imaging, in particular to an ink cartridge detachably installed in an inkjet printer.
  • FIG. 1 provides a perspective view of a conventional ink cartridge.
  • the ink cartridge 1 includes a casing 2 for accommodating ink, and a light-transmitting portion 27 extending upward from the upper surface 22 of the casing 2. When the ink cartridge 1 is installed in an inkjet printer, all the The light-transmitting portion 27 is used to detect the remaining amount of ink in the ink cartridge 1 .
  • the ink cartridge 1 when the ink cartridge 1 is installed in the inkjet printer, the light emitting portion and the light receiving portion are respectively provided on the left and right sides of the light-transmitting portion 27, and the light-transmitting portion 27 is communicated with the ink chamber for accommodating ink.
  • the amount of ink in 1 is large, the light emitted by the light-emitting part cannot pass through the light-transmitting part 27, so the light-receiving part cannot receive the light, and the inkjet printer considers that the ink remaining in the ink cartridge 1 is large;
  • the ink in the ink cartridge In the operation of the printer, the ink in the ink cartridge is consumed.
  • the ink is consumed to a predetermined value, the light emitted by the light emitting part can reach the light receiving part through the light transmitting part 27. The amount is insufficient, and the user is notified to replace the ink cartridge by issuing an alarm.
  • the inkjet printer can judge the remaining amount of ink in the ink cartridge 1
  • the light-transmitting portion 27 is communicated with the ink chamber containing the ink in the ink cartridge 1, during use, when ink adheres to the inner wall of the light-transmitting portion 27, the light passing efficiency of the light-transmitting portion 27 will be affected.
  • the inkjet printer may misjudge the ink remaining in the ink cartridge 1; even if the inner wall of the light-transmitting portion 27 is not adhered with ink, the light will also produce "loss" in the process of passing through the light-transmitting portion 27, which may also cause ink jetting.
  • the printer misjudged the ink level.
  • the present invention provides an ink cartridge, which is provided with a light-shielding member. As the ink is consumed, the relative position of the light-shielding member in the ink cartridge changes, so that at least a part of the light emitted by the light-emitting member can be received by the light-receiving member without hindrance. , so as to ensure that the inkjet printer can accurately judge the ink remaining amount.
  • the specific scheme is as follows:
  • An ink cartridge which is detachably installed in an inkjet imaging device provided with a light emitting part and a light receiving part
  • the ink cartridge includes a casing, an ink outlet and a detection assembly, the casing forms an ink chamber for accommodating ink, and the ink outlet communicates with the ink chamber , the ink can be discharged through the ink outlet;
  • the light-receiving part is used to receive the light emitted by the light-emitting part, and the detection component cooperates with the light-emitting part and the light-receiving part to detect the ink remaining in the ink chamber;
  • the light blocking member can block the light emitted by the light emitting member; in the second position , at least a part of the light emitted by the light-emitting element can be received by the light-receiving element without hindrance.
  • the light received by the detection component is not "lost", therefore, the light receiving element has a higher efficiency in receiving light, which is not only conducive to improving the detection accuracy of the ink remaining amount, but also conducive to reducing the ink jetting rate.
  • the power consumption of the printer is not only conducive to improving the detection accuracy of the ink remaining amount, but also conducive to reducing the ink jetting rate.
  • FIG. 1 is a perspective view of a conventional ink cartridge.
  • FIG. 2 is an exploded schematic diagram of a part of the ink cartridge according to the first embodiment of the present invention.
  • FIG. 3 is a schematic diagram of the internal structure of the ink cartridge according to the first embodiment of the present invention.
  • FIG 4 is a cross-sectional view of the ink cartridge according to the first embodiment of the present invention, taken along the vertical direction in a state where the ink cartridge is attached to the inkjet printer.
  • 5A is a schematic diagram of the state of the ink detection assembly when the ink cartridge according to the first embodiment of the present invention is filled with ink.
  • 5B is a schematic diagram of the ink cartridge viewed from the front and rear directions when the ink cartridge according to the first embodiment of the present invention is filled with ink.
  • 6A is a schematic diagram of the state of the ink detection assembly when the ink in the ink cartridge according to the first embodiment of the present invention is consumed to a predetermined value.
  • 6B is a schematic diagram of the ink cartridge viewed from the front and rear directions when the ink in the ink cartridge according to the first embodiment of the present invention is consumed to a predetermined value.
  • FIG. 7 is an exploded schematic diagram of a part of the ink cartridge according to the second embodiment of the present invention.
  • FIG 8A is a schematic diagram of the state of the ink detection assembly when the ink cartridge according to the second embodiment of the present invention is filled with ink.
  • FIG. 8B is a schematic diagram of the ink cartridge viewed from the front and rear directions when the ink cartridge according to the second embodiment of the present invention is filled with ink.
  • 9A is a schematic diagram of the state of the ink detection assembly when the ink in the ink cartridge according to the second embodiment of the present invention is consumed to a predetermined value.
  • 9B is a schematic diagram of the ink cartridge viewed from the front and rear directions when the ink in the ink cartridge according to the second embodiment of the present invention is consumed to a predetermined value.
  • FIG. 10 is a schematic diagram of the internal structure of the ink cartridge according to the third embodiment of the present invention.
  • 11A is a schematic diagram of the state of the ink detection assembly when the ink cartridge according to the third embodiment of the present invention is filled with ink.
  • 11B is a schematic diagram of the ink cartridge viewed from the front and rear directions when the ink cartridge according to the third embodiment of the present invention is filled with ink.
  • 12A is a schematic diagram of the state of the ink detection assembly when the ink in the ink cartridge according to the third embodiment of the present invention is consumed to a predetermined value.
  • 12B is a schematic diagram of the ink cartridge viewed from the front and rear directions when the ink in the ink cartridge according to the third embodiment of the present invention is consumed to a predetermined value.
  • FIG. 13 is an exploded schematic view of the detection component in the ink cartridge according to the fifth embodiment of the present invention.
  • 14A is a schematic diagram of the state of the ink detection assembly when the ink cartridge according to the fifth embodiment of the present invention is filled with ink.
  • 14B is a schematic diagram of the state of the ink detection assembly when the ink in the ink cartridge according to the fifth embodiment of the present invention is consumed to a predetermined value.
  • FIG. 15 is an exploded schematic view of the detection assembly in the ink cartridge according to the sixth embodiment of the present invention.
  • 16A is a schematic diagram of the state of the ink detection assembly when the ink cartridge according to the sixth embodiment of the present invention is filled with ink.
  • 16B is a schematic diagram of the state of the ink detection assembly when the ink in the ink cartridge according to the sixth embodiment of the present invention is consumed to a predetermined value.
  • the ink cartridge 1 is first defined as follows: the installation direction of the ink cartridge 1 is defined as the front-rear direction, and the ink cartridge 1 is installed forward.
  • the lower side is the lower side
  • the left side is the left side
  • the right side is the right side; the descriptions about the orientation below all correspond to the above descriptions.
  • FIG. 2 is a schematic exploded view of a part of the ink cartridge involved in the first embodiment of the present invention
  • FIG. 3 is a schematic diagram of the internal structure of the ink cartridge involved in the first embodiment of the present invention
  • the ink cartridge 1 includes a casing 2 for accommodating ink, an ink outlet 3, a chip mounting portion 4 and an ink remaining amount detection component (referred to as "detection component") 6.
  • the casing 2 forms an ink chamber 20 for accommodating ink, and has an ink chamber 20 located in the front.
  • the chip mounting part 4 Located above the ink cartridge 1, the substrate 41 is installed above the chip mounting portion 4, and a plurality of contacts 42 are arranged on the substrate 41.
  • the contacts 42 and the inkjet printer are installed.
  • the stylus contacts thus, the ink cartridge 1 establishes a communication connection with the inkjet printer;
  • the detection assembly 6 is arranged in the up-down direction, and at least a part of the detection assembly 6 can move in the up-down direction according to the ink volume in the ink chamber 20 .
  • the chip mounting portion 4 is located above the ink outlet portion 3.
  • the ink cartridge 1 further includes a sensing member 23 and a boss 24 extending upward from the upper surface 22, wherein, during the installation process of the ink cartridge 1, the sensing member 23 is used to cooperate with the inkjet printer, so that the ink cartridge 1 can be recognized by the inkjet printer.
  • the upper part of the boss 24 is also provided with a card position 25 and a handle 26.
  • the card position 25 is snapped by the inkjet printer, thus, the ink cartridge 1 is positioned in the inkjet printer, and when the ink cartridge 1 needs to be taken out, the user pulls the ink cartridge 1 backward by holding the handle 26 .
  • the housing 2 includes a bottom case 2a and a surface cover 2b formed separately, the ink chamber 20 is formed in the bottom case 2a, and the ink cartridge 1 further includes a sealing film 5 located between the bottom case 2a and the surface cover 2b, the said The sealing film 5 is used to seal the ink chamber 20 in the left-right direction, and the surface cover 2b and the bottom case 2a are combined in the left-right direction. Therefore, the sealing film 5 is located between the surface cover 2b and the bottom case 2a. After the bottom case 2a and the top cover 2b are combined, the upper surfaces 22a and 22b of the bottom case 2a and the top cover 2b are aligned to form the upper surface 22 of the ink cartridge.
  • the handle 26 may be formed on the upper surface 22a of the bottom case 2a, or may be formed on the upper surface 22b of the face cover 2b, regardless of whether the components are arranged on the bottom case 2a or the face cover 2b See, the position of the various components relative to the upper surface 22 does not change.
  • the detection assembly 6 may be disposed on the bottom case 2a or the face cover 2b, and the following description will be made by taking the detection assembly 6 disposed in the bottom case 2a as an example.
  • the detection assembly 6 includes a light-shielding member 61, a guide member 62 and a deformable member 63.
  • the inkjet imaging device is provided with a light-emitting member 71 and a light-receiving member 72 (as shown in FIG. 5B ). When installed in an inkjet imaging device, the detection assembly 6 enters between the light emitting part 71 and the light receiving part 72.
  • the inkjet printer will consider the ink cartridge 1 There is a large amount of ink in the ink cartridge, and the user can use it normally. If the light emitted by the light emitting part 71 can be received by the light receiving part 72, the inkjet printer will think that the ink in the ink cartridge 1 is insufficient. At this time, the inkjet printer An alert is issued to inform the user to replace ink cartridge 1.
  • the light shielding member 61 can move in the guide member 62.
  • the light shielding member 61 It is located at a position capable of shielding the light emitted by the light emitting member 71.
  • the light receiving member 72 cannot receive the light emitted by the light emitting member 71; as the ink in the ink chamber 20 is consumed, the light shielding member 61 gradually moves to the point where it cannot receive the light emitted by the light emitting member 71.
  • the shielding member 61 in this embodiment can block the light emitted by the light emitting member 71.
  • the non-shading position here refers to the light emitted by the light emitting member 71 All the light passes through the shading member 61 and is received by the light receiving member 72 , that is to say, the light emitted by the light emitting member 71 will not be lost, and the light emitted by the light emitting member 71 is unobstructed by the light receiving member 72 to receive, and then Make sure that the inkjet printer judges the ink level accurately.
  • the light shielding member 61 may move in a direction intersecting the traveling direction of the light L emitted by the light emitting member 71, specifically, for example, an up-down movement in an up-down direction, or an up-down movement in the front-rear direction Back and forth movement, or movement in a direction inclined to the plane co-located with the up-down direction and front-rear direction, that is, movement in a direction inclined to the left-right direction.
  • the movement of the light-shielding member 61 can be controlled by the amount of ink in the ink chamber 20.
  • the direction of the buoyancy of the ink on the object located in the ink chamber 20 is vertically upward. Therefore, when the shading member 61 is selected to move in the up and down direction, the buoyancy generated by the ink can be directly used to control the shading member 61, and the structure of the control mechanism for controlling the movement of the shading member 61 is simplified;
  • the light-shielding member 61 can be controlled by converting the upward buoyancy generated by the ink into the movement direction selected by the light-shielding member 61, that is, when the light-shielding member 61 moves in the front-rear direction, by converting the upward buoyancy generated by the ink into the moving direction of the light-shielding member 61, the light-shielding member 61 can be controlled.
  • the buoyancy of the ink is converted to control the shading member 61 in the front and rear directions; similarly, when the shading member 61 moves in a direction inclined to the left and right direction, the upward buoyancy generated by the ink is converted into a direction inclined to the left and right direction. 61 for control.
  • the guide member 62 is formed in the ink chamber 20 along the up-down direction, and has a first end 62a located above and a second end 62b located below.
  • the guide member 62 A guide cavity 620 for accommodating the light shielding member 61 is formed inside, and the first end 62a is open, the second end 62b forms an opening 621 , and the deformable member 63 is located at the second end 62b and is in contact with the light shielding member 61 .
  • the opening 621 is sealed, so the guide cavity 620 is isolated from the ink cavity 20, and the ink in the ink cavity 20 will not leak through the guide cavity 620, that is, the guide cavity 620 is not connected to the ink
  • the cavity 20 is connected; preferably, the deformable member 63 is an elastic membrane that can be elastically deformed with the change of the ink volume in the ink cavity 20 ; the opening 621 is sealed by the elastic membrane 63, when the light shielding member 61 is installed in the guide cavity 620 , the light shielding member 61 may be exposed through the first end 62a.
  • the shading member 61 includes a shading part 611 , a connecting part 612 and a guiding part 613 which are arranged in order from top to bottom.
  • the shading part 611 is made of an opaque material.
  • the light-shielding member 61 is made of light-transmitting material as a whole, and the opaque material is attached to the light-shielding member 61 to form a light-shielding portion 611 on the light-shielding member 61, or the light-shielding portion 611 is made of a light-transmitting material, which is not transparent.
  • the light material is attached to the shading part 611, and the shading part 611 is used to block the light L emitted by the light emitting part 71; the connecting part 612 connects the shading part 611 and the guiding part 613,
  • the size of the guide portion 613 is larger than the size of the connecting portion 612 and the shading portion 611, and is slightly smaller than the size of the guide cavity 620, so as to ensure that the shading member 61 can move more smoothly in the guide cavity 620, and at the same time , a stepped surface 614 will be formed above the guide portion 613 .
  • the connecting part 612 can be omitted, and the shading part 611 is directly connected to the guiding part 613.
  • the guide portion 613 uses more material, which leads to an increase in the overall material cost of the light-shielding member 61 . Therefore, the provision of the connecting portion 612 helps to reduce the overall material of the light-shielding member 61 . cost.
  • the inner wall of the guide cavity 620 extends inwardly to form a limiting protrusion 65 , and the limiting protrusion 65 is used for combining with the step surface 614 to limit the upward movement of the light shielding member 61 .
  • the lower part of the guide portion 613 is supported by the elastic film 63 , so when the elastic film 63 elastically deforms in response to the change of the ink volume in the ink chamber 20 , the light shielding member 61 can move with the elastic deformation of the elastic film 63 .
  • FIG. 5A is a schematic diagram of the state of the ink detection assembly when the ink cartridge according to the first embodiment of the present invention is filled with ink
  • FIG. 5B is a schematic diagram of the ink cartridge observed along the front and rear directions when the ink cartridge according to the first embodiment of the present invention is filled with ink
  • FIG. 6A is a schematic diagram of the state of the ink detection assembly when the ink in the ink cartridge according to the first embodiment of the present invention is consumed to a predetermined value
  • FIG. 6B is a view from the front and rear directions when the ink in the ink cartridge according to the first embodiment of the present invention is consumed to a predetermined value.
  • Schematic of the ink cartridge is a schematic diagram of the state of the ink detection assembly when the ink cartridge according to the first embodiment of the present invention is filled with ink
  • FIG. 5B is a schematic diagram of the ink cartridge observed along the front and rear directions when the ink cartridge according to the first embodiment of the present invention is filled with ink
  • the elastic membrane 63 is completely immersed in the ink 11.
  • the light shielding member 61 overlaps with the ink 11, but Since the guide cavity 620 is not in communication with the ink cavity 20 , there will be no ink in the guide cavity 620 , and the light shielding member 61 will not be directly affected by the buoyancy of the ink 11 , which is applied to the ink through the elastic membrane 63 . Shading member 61 .
  • the elastic film 63 does not elastically deform, and the light-shielding member 61 is supported by the elastic film 63 through the guide portion 613. At this time, the gravity of the light-shielding member 61 and the ink are applied through the elastic film 63.
  • the buoyancy of the light-shielding member 61 is balanced, at least the light-shielding portion 611 of the light-shielding member 61 is exposed through the first end 62a;
  • the buoyancy applied to the shading member 61 by the elastic film 63 is greater than the gravity of the shading member 61.
  • the elastic film 63 is deformed upward under the action of buoyancy, and correspondingly, the shading member 61 is also forced upward. At least the light shielding portion 611 is exposed through the first end 62a.
  • the light-shielding portion 611 is located above the upper surface 22/substrate 41 along the up-down direction, and the light-shielding member 61 is located at the light-shielding position. As shown in FIG. 5B, the light-emitting member 71 emits light. The light L is blocked by the light-shielding portion 611 and cannot pass through the light-shielding member 61, and the light-receiving member 72 will not receive the light L at all; in the up-down direction, the light-shielding portion 611 does not exceed the boss 24. While the 611 is protected by the boss 24 , it can also prevent the light shielding portion 611 from interfering with the interior of the inkjet printer when the ink cartridge 1 is installed forward in the front-rear direction.
  • the guide portion 613 begins to press the elastic film 63 downward to elastically deform, shielding the light.
  • the elastic film 63 and the shading member 61 are no longer subject to the buoyancy of the ink 11, and the gravitational force of the shading member 61 all acts on
  • the downward elastic deformation of the elastic film 63 reaches the maximum, and the light-shielding member 61 stops moving downward. At this time, the light-shielding portion 611 no longer blocks the light L.
  • all the light-shielding members 61 enter the ink chamber 20. 6B, the light L emitted by the light emitting member 71 passes through the top of the shading member 61 (shading portion 611), and is finally received by the light receiving member 72.
  • the shading member 61 is located in a non-shading position, compared to In the shading position, the shading part 611 is closer to the ink outlet 3 at this time, or, in the up-down direction, the distance between the upper part of the shading member 61 and the upper surface 22/substrate 41/contact 42/ink outlet 3 decreases, It can be seen that in the shading position and the non-shading position, along the vertical direction, the distance between the upper part of the shading member 61 and the upper surface 22/substrate 41/contact 42 is different; it can be seen that the shading member 61 is arranged relative to the housing. 2. It is movable. When a large external force is applied to the shading member 61, the shading member 61 is not easily damaged. In this embodiment, since the light L has no "loss" during the traveling process, the inkjet printing can make an accurate judgment according to the received light L, and remind the user that the ink cartridge needs to be replaced.
  • the elastic film 63 produces different elastic changes according to the change of the ink volume, so that the position of the light shielding portion 611 relative to the housing 2 changes in the up-down direction, so that the light shielding portion 611 can block the light L at the position and movement between positions that do not block the light L, that is, the inkjet printer can issue different prompt information to the user according to the difference of the ink volume in the ink chamber 20 .
  • the inkjet printer sends a message to the user that the amount of ink in the ink cartridge is sufficient; as the ink in the ink chamber 20 is gradually consumed, the distance from the elastic film 63 to the ink level is gradually reduced along the up-down direction, and the light-shielding member 61 is affected. The buoyancy of the light-shielding member 61 gradually decreases.
  • the light-shielding member 61 forces the elastic film 63 to elastically deform downward, and the light-shielding member 61 also moves downwards synchronously.
  • the light L emitted by the light-emitting member 71 is gradually no longer blocked.
  • a part of the light L is located above the light-shielding piece 61 and is no longer blocked by the light-shielding piece 61, and is finally received by the light-receiving piece 72, while the other part of the light L is still blocked by the light-shielding piece 61.
  • the ink printer can determine the remaining amount of ink in the ink chamber 20 according to the amount of light received by the light receiving element 72 .
  • the inkjet printer determines that the amount of ink in the ink chamber 20 is full.
  • the inkjet printer judges that the amount of ink in the ink chamber 20 is half consumed, and when the amount of light received by the light receiving element 72 is c, the inkjet printer judges that the ink The amount of ink in the cavity 20 has been consumed; it can be seen from this that the “moment” when the light shielding member 61 reaches the non-shading position can be adjusted according to the needs, and has a greater degree of design freedom.
  • the ink cartridge manufacturer can adjust the light shielding member 61
  • the shading member 61 will reach the non-shading position, and the parameters of the shading member 61 can also be adjusted so that the ink volume in the ink chamber 20 remains a quarter.
  • the shading member 61 reaches the non-shading position.
  • the shading member 61 can also be adjusted so that when the ink level in the ink chamber 20 is lower than the highest point of the ink outlet 3, the shading member 61 reaches the non-shading position, thereby The ink in the ink chamber 20 is fully consumed.
  • the light receiving member 72 can not receive the light L at all, gradually can receive part of the light L, and then can receive all the predetermined light L, the light receiving member 72
  • the received light is exactly all the light emitted from the light emitting member 71 and located above the shading member 61 .
  • the light can reach the light-receiving part 72 from the light-emitting part 71 unobstructed, and there will be no "loss" of the light in the process of passing through the light-transmitting part 27 as described in the background art, resulting in the light received by the light-receiving part. Therefore, using the detection component 6 involved in this embodiment, the inkjet printer can accurately determine the remaining ink amount in the ink chamber 20 according to the amount of light received by the light receiving member 72, and send correct instruction information to the user.
  • FIG. 7 is an exploded schematic diagram of a part of the ink cartridge according to the second embodiment of the present invention.
  • the detection assembly 6 includes a shading member 61 , a guide member 62 , a deformable member 63 and a rotating member 64 ; , a connecting part 612 and a guiding part 613, the shading part 611 is arranged adjacent to the through hole 615, or in other words, the through hole 615 is located between the shading part 611 and the connecting part 612, and the through hole 615 penetrates in the left and right direction, and the light There is no "loss" when passing through the through hole 615, and the light can travel from the light emitting part 71 to the light receiving part 72 without hindrance; the functions of the connecting part 612 and the guiding part 613 are the same as those in the above-mentioned embodiment, and will not be repeated here. .
  • the deformable member 63 is still selected to be an elastic membrane, and at the same time, the elastic membrane 63 seals the second end 62b of the guide member 62 so that the guide cavity 620 is not communicated with the ink cavity 20 .
  • the rotating member 64 is rotatably installed in the ink chamber 20 and is configured to rotate as the ink volume in the ink chamber 20 changes. As shown in FIG.
  • the rotating member 64 includes a rotating part 643 and is connected with the rotating part 643
  • the change in the amount of ink in the medium rotates around the rotating shaft 28, and at the same time drives the first part 641 to rotate, the first part 641 moves the shading member 61 gradually upward from the shading position that shields the light emitted by the light emitting member 71 during the rotation, and
  • the light emitting element 71 reaches the non-shading position that does not block the light emitted by the light emitting member 71.
  • FIG. 8A is a schematic diagram of the state of the ink detection assembly when the ink cartridge according to the second embodiment of the present invention is filled with ink
  • FIG. 8B is a schematic diagram of the ink cartridge observed along the front and rear directions when the ink cartridge according to the second embodiment of the present invention is filled with ink
  • FIG. 9A is a schematic diagram of the state of the ink detection assembly when the ink in the ink cartridge according to the second embodiment of the present invention is consumed to a predetermined value
  • FIG. 9B is a view from the front and rear directions when the ink in the ink cartridge according to the second embodiment of the present invention is consumed to a predetermined value. Schematic of the ink cartridge.
  • the ink chamber 20 is filled with the ink 11, and the rotating member 64 is subjected to the upward buoyancy of the ink 11, so that the second part 642 does not contact the elastic film 63/shading member 61, and the shading member 61 is at this time.
  • the light-shielding position the light L emitted by the light-emitting member 71 is completely blocked by the light-shielding portion 611; in this embodiment, the light-shielding member 61 is preferably made of metal. The buoyancy forces the elastic membrane 63 to elastically deform downward.
  • the upward buoyancy of the second part 642 of the rotating member is gradually reduced.
  • the rotating member 64 rotates in the direction indicated by r around the rotating shaft 28 as a whole.
  • the first portion 641 of the piece gradually approaches the elastic membrane 63 .
  • the first part 641 is first combined with the guiding inclined surface 616, and gradually pushes the light shielding member 61 upward under the guidance of the guiding inclined surface 616, and finally reaches the position shown in FIG.
  • the first portion 641 is in contact with the bottom surface 617 of the guide portion 613.
  • the light L emitted by the light emitting member 71 passes through the through hole 615 and is received by the light receiving portion 72.
  • the light shielding member 61 is not shielded from light.
  • the shading part 611 is farther away from the ink outlet 3 at this time, or, in the up-down direction, the upper part of the shading member 61 and the upper surface 22/substrate 41/contact 42/ink outlet 3
  • the distance between the top of the shading member 61 and the upper surface 22/substrate 41/contact 42/ink outlet 3 is different in the up-down direction; similarly, when there is a When a large external force is applied to the shading member 61, the shading member 61 is not easily damaged.
  • the deformable member 63 includes an elastic film 631 and a pushing protrusion 632 disposed on the elastic film 631 , and the elastic film 631 is used to seal the guide member 62 .
  • the second end opening 621, the forcing protrusion 632 is opposite to the guide portion 613 of the shading member 61, when the first part 641 of the rotating member rotates in the direction indicated by r to below the elastic film 63, the first part 641 pushes the elastic film 63 to make The urging protrusion 632 pushes the guide portion 613 upward, and thus, the light shielding member 61 moves upward.
  • the inkjet printer can accurately determine the amount of ink remaining in the ink chamber 20 according to the amount of light received by the light receiving element 72, and issue correct instructions to the user.
  • FIG. 10 is a schematic diagram of the internal structure of the ink cartridge according to the third embodiment of the present invention.
  • the detection assembly 6 includes a shading member 61 , a guide member 62 and a deformable member 63 .
  • the shading member 61 can be along the direction intersecting the left and right directions when it cannot be blocked.
  • the movement between the non-shading position of the light emitted by the light emitting member 71 and the shading position capable of blocking the light emitted by the light emitting member 71, in the non-shading position, the light emitted by the light emitting member 71 has no “loss”.
  • the light receiving member 72 receives.
  • the guide member 62 in this embodiment extends from the side of the upper surface 22 to the ink chamber 20 in the up-down direction, and has a first end 62a located above and a second end 62b located below, and the second end 62b is connected to
  • the ink chamber 20 is communicated, and the deformable member 63 is installed on the first end 62a. Therefore, the ink in the ink chamber 20 can enter the guide chamber 620 through the second end 62b, but since the first end 62a is sealed by the deformable member 63, Thus, ink does not leak from the first end 62a.
  • the shading member 61 is movably installed in the guide cavity 620, and the upper part of the shading member 61 is connected with the deformable member 63, so that the deformable member 63 can move together with the shading member 61,
  • FIG. 11A is a schematic diagram of the state of the ink detection assembly when the ink cartridge according to Embodiment 3 of the present invention is filled with ink
  • FIG. 11B is a schematic diagram of observing the ink cartridge along the front and rear directions when the ink cartridge according to Embodiment 3 of the present invention is filled with ink
  • FIG. 12A is a schematic diagram of the state of the ink detection assembly when the ink in the ink cartridge according to the third embodiment of the present invention is consumed to a predetermined value
  • FIG. 12B is a view from the front and rear directions when the ink in the ink cartridge according to the third embodiment of the present invention is consumed to a predetermined value.
  • the light-shielding member 61 When the ink chamber 20 is filled with the ink 11, the light-shielding member 61 is located at the light-shielding position. Under the buoyancy of the ink 11, the light-shielding member 61 is pushed upward as a whole. As shown in Figs. 11A and 11B, the deformable member 63 is shielded from light. The light shielding part 611 protrudes upward beyond the upper surface 22 , and the light emitted by the light emitting part 71 is blocked by the light shielding part 611 and cannot be received by the light receiving part 72 .
  • the shading member 61 moves downward to the non-shading position, and the shading part 611 is closer to the ink outlet 3, or in other words, in the up-down direction, the upper part of the shading member 61 is closer to the ink outlet 3.
  • the distance between the upper surface 22/substrate 41/contact 42/ink outlet 3 is reduced, and in the shading position and the non-shading position, along the up-down direction, the distance between the top of the shading member 61 and the upper surface/ink outlet 3 is different; thus , when a large external force is applied to the shading member 61 , the shading member 61 is not easily damaged.
  • the light L emitted by the light emitting part 71 passes above the light shielding part 61, and all the light L is received by the light receiving part 72. Since the light L has no "loss", the inkjet printer can adjust the ink remaining amount. make accurate judgments.
  • the deformable member 63 in this embodiment is installed at the first end 62 a of the guide member 62 , the first end 62 a is located on the side of the housing 2 .
  • the deformable member 63 is more easily installed to the first end 62a, for example, the two can be quickly combined by welding, gluing, or the like.
  • the detection assembly 6 in this embodiment can also adopt the structure described in the second embodiment, that is, the detection assembly 6 further includes a rotating member 64 , and the difference from the second embodiment is that the deformable member in this embodiment is 63 is connected to the shading member 61 , and the deformable member 63 is mounted on the first end 62 a of the guide member 62 .
  • the shading member 61 moves between the shading position and the non-shading position along the up-down direction. It is understood that the shading member 61 can also be set to swing in the left-right direction or the front-rear direction to achieve the shading position and the non-shading position.
  • the movement between the non-shading positions, that is, the shading member 61 can move in the direction intersecting the traveling direction of the light L.
  • the shading member 61 swings in the left-right direction, its rotation axis is parallel to the front-rear direction.
  • yaw its axis of rotation is parallel to the left-right direction.
  • the light-shielding portion 611 is located outside the casing 2 and is located in the traveling direction of the light L. At this time, the light emitted by the light-emitting member 71 can not be received by the light receiving member 72, in the non-shading position, the light shielding portion 611 avoids the traveling direction of the light L.
  • the light shielding portion 611 can be located closer to the ink outlet 3 or further away from the ink outlet 3, along the up-down direction, the distance between the top of the shading member 61 and the upper surface 22/substrate 41/contact 42/ink outlet 3 is different; therefore, when a large external force is applied to the shading member 61, the shading member 61 Not easily damaged.
  • At least one of the front and rear sides or the left and right sides of the light shielding member 61 is connected with a counterweight block.
  • the counterweight block does not work and blocks light.
  • the shading member 61 will swing to the side connected with the counterweight, so that the shading part 611 leaves the traveling direction of the light L and reaches the non-shading position.
  • the elastic film 63/631 is used to drive the light-shielding member 61 to move between the light-shielding position and the non-light-shielding position.
  • the change of the magnetic force between the oppositely arranged magnetic members can also be used to drive the light-shielding member 61 to move in the position of the light-shielding member 61.
  • the movement between the light-shielding position and the non-light-shielding position for example, when the ink volume in the ink chamber 20 changes, the magnetic force between the magnetic members increases or decreases, thereby causing the light-shielding member 61 to move. It can be moved in the up and down direction, and can also be moved in the front and rear or left and right directions.
  • FIG. 13 is an exploded schematic view of the detection component in the ink cartridge according to the fifth embodiment of the present invention.
  • the same structure as the above-mentioned embodiment will not be repeated, and the same components as the above-mentioned embodiment will be given the same number.
  • the shading member 61 is moved in the front-rear direction to realize the conversion between the shading position and the non-shading position.
  • the detection assembly 6 includes the shading member 61 located outside the casing 2 and located in the ink chamber.
  • the moving part in 20 the moving part can move with the change of the amount of ink, and at least one of the shading part 61 and the moving part has magnetism, so the shading part 61 can move along a predetermined track with the movement of the moving part; It can be understood that the fact that at least one of the shading member 61 and the moving member has magnetism means that the shading member 61 itself or a component mounted on the shading member 61 has magnetism, and the moving member itself or a component mounted on the moving member has magnetic properties. .
  • the shading member 61 itself is a magnetic member.
  • the shading member 61 is in the shading position, the light emitted by the light emitting member 71 in the left and right directions will be blocked by the shading member 61 and cannot be received by the light receiving member 72;
  • the shading member 61 is in the shape of a round cake, a limiting frame 29 is arranged above the housing 2 , and the shading member 61 can roll in the limiting space 291 in the limiting frame 29 .
  • the shading member 61 may be entirely made of magnetic members, or only a part of the magnetic member, and its moving method may be sliding in addition to rolling, as long as the shading member 61 can meet the requirements of shielding the light emitted by the light emitting member at the shading position , and can not block the light emitted by the light emitting part in the position of not blocking the light.
  • the moving member in this embodiment is a rotating member 64 that can rotate around the rotating shaft 28.
  • the rotating member 64 includes a rotating part 643 and a first part 641 and a second part 642 connected to the rotating part, which are shielded from light.
  • the magnetically attracted fitting 66 of the member 61 is fixedly installed in the rotating member 64.
  • the fitting 66 is a metal that can be attracted by magnetic force.
  • the fitting 66 is made of iron, nickel, cobalt and other metals.
  • At least one is made; along the up and down direction, the first part 641 is closer to the light shielding member 61 than the second part 642, when the ink amount in the ink chamber 20 changes, the rotating member 64 rotates around the rotating part 643 as a whole, the first part 641 and the Both the second parts 642 can move.
  • the fitting 66 is fixedly installed in the first part 641, which not only enables the shading member 61 to move more sensitively in response to the rotation of the rotating member 64, but also reduces the Material usage and its dimensions.
  • FIG. 14A is a schematic diagram of the state of the ink detection assembly when the ink cartridge according to the fifth embodiment of the present invention is filled with ink;
  • FIG. 14B is a schematic diagram of the state of the ink detection assembly when the ink in the ink cartridge according to the fifth embodiment of the present invention is consumed to a predetermined value. .
  • the rotating member 64 is in the position shown in FIG. 14A.
  • the light-shielding member 61 is kept in the light-shielding position/first position shown in the figure along with the matching member 66 , and at the same time, the light-shielding member 61 is also limited in the limiting space 291 by the limiting frame 29 .
  • the rotating member 64 rotates around the rotating part 643.
  • the second part 642 is set to be heavier than the first part 641.
  • the shading member 61 in the non-shading position is further away from the ink outlet 3/substrate 41/contact 42 in the front-rear direction; the same , when a large external force is applied to the shading member 61 , the shading member 61 is not easily damaged.
  • the shading member 61 is located outside the ink chamber 20, and the shading member 61 and the ink chamber 20 are isolated by the side plate where the upper surface 22 of the casing is located. Therefore, the shading member 61 will not touch the ink, which is not only convenient for the installation of the shading member 61 , and the shading member 61 will not be stained with ink, whether the shading member 61 is in the shading position or the non-shading position, when the light emitted by the light emitting member 71 reaches the shading member 61, the light will not be reflected or refracted, thereby affecting the The detection accuracy of the detection component 6 may cause misjudgment by the inkjet printer.
  • the light shielding member 61 is defined in the limiting frame 29, so as to ensure that the movement trajectory of the light shielding member 61 will not deviate.
  • the shading member 61 can roll along the front and rear directions in the limit frame 29 along with the fitting member 66 . As mentioned above, the shading member 61 can also be arranged to slide in the limit frame 29 , and the position of the fitting member 66 changes as the position of the fitting member 66 changes. , under the action of the magnetic force, the light-shielding member 61 slides in the front-rear direction in the limiting frame 29 .
  • FIG. 15 is an exploded schematic view of the detection assembly in the ink cartridge according to the sixth embodiment of the present invention
  • FIG. 16A is a schematic diagram of the state of the ink detection assembly when the ink cartridge according to the sixth embodiment of the present invention is filled with ink
  • FIG. 16B is the sixth embodiment of the present invention.
  • the matching member 66 is also a magnetic member. Therefore, the magnetic force between the light-shielding member 61 and the matching member 66 is more balanced.
  • the light-shielding member 61 is also arranged on the limit frame. 29, and moves in the limiting space 291 along with the movement of the fitting 66, and its movement can be rolling or sliding; further, the fitting 66 is also arranged in the movable chamber 67 located in the ink chamber 20, Its movement can be scrolling or sliding.
  • the rotating member 64 is in the position shown in FIG. 16A .
  • the shading member 61 is kept in the shading position/first position shown in the figure along with the matching member 66.
  • the shading member 61 is also limited in the limiting space 291 by the limiting frame 29, and the matching member 66 is also limited in the movable position. in cavity 67.
  • the movement trajectory of the matching piece 66 is more stable, and the magnetic force between the matching piece 66 and the shading piece 61 can be kept relatively stable, therefore, the shading piece 61
  • the movement process will be more stable and the detection accuracy will be higher.
  • the detection assembly 6 involved in the present invention is provided with a light-shielding member 61 that can move between a light-shielding position and a non-light-shielding position.
  • a large external force is applied to the light-shielding member 61, the light-shielding member 61 is not easily damaged;
  • the shading member 61 is located in a shading position that can block the light emitted by the light emitting member 71.
  • the light received by the light receiving part 72 does not cause "loss", the light can reach the light receiving part 72 from the light emitting part 71 unobstructed, and the light receiving efficiency of the light receiving part is improved, when the ink chamber 20 When the middle is filled with ink again, the light-shielding member 61 returns to the light-shielding position again.
  • the ink remaining amount information fed back by the light-receiving member 72 to the inkjet printer is more real and accurate, and the inkjet printer will not be misjudged; Further, in order for the light receiving member 72 to receive light of the same intensity, the light intensity that the light emitting member 71 needs to emit can be reduced, and accordingly, the power consumption of the inkjet printer can be reduced.

Landscapes

  • Ink Jet (AREA)

Abstract

L'invention concerne une cartouche d'encre (1) qui est montée de manière amovible dans un dispositif d'imagerie à jet d'encre pourvu d'un élément de transmission de lumière (71) et d'un élément de réception de lumière (72), la cartouche d'encre (1) comprenant un boîtier (2), une partie d'évacuation d'encre (3) et un composant de détection (6), l'élément de réception de lumière (72) étant utilisé pour recevoir la lumière transmise par l'élément de transmission de lumière (71) ; le composant de détection (6) étant utilisé en coopération avec l'élément de transmission de lumière (71) et l'élément de réception de lumière (72) pour détecter la quantité restante d'encre dans une cavité d'encre (20) ; le composant de détection (6) comprenant un élément de protection contre la lumière mobile (61) ; et l'élément de protection contre la lumière (61) pouvant se déplacer, avec le changement de la quantité d'encre dans la cavité d'encre (20), entre une première position dans laquelle l'élément de protection contre la lumière (61) peut protéger la lumière transmise par l'élément de transmission de lumière (71) et une seconde position dans laquelle au moins une partie de la lumière transmise par l'élément de transmission de lumière (71) peut être reçue par l'élément de réception de lumière (72) d'une manière non obstruée. Comme il n'y a pas de perte de la lumière reçue pendant le processus de détection, l'efficacité de l'élément de réception de lumière pendant la réception de lumière est supérieure, ce qui permet d'améliorer la précision de détection de la quantité restante d'encre.
PCT/CN2022/078696 2021-03-05 2022-03-02 Cartouche d'encre WO2022184072A1 (fr)

Applications Claiming Priority (8)

Application Number Priority Date Filing Date Title
CN202120484349 2021-03-05
CN202120484349.2 2021-03-05
CN202120727450.6U CN214774860U (zh) 2021-03-05 2021-04-09 墨盒
CN202120727450.6 2021-04-09
CN202122765982 2021-11-11
CN202122765982.1 2021-11-11
CN202122946426.4U CN219191667U (zh) 2021-03-05 2021-11-26 墨盒
CN202122946426.4 2021-11-26

Publications (1)

Publication Number Publication Date
WO2022184072A1 true WO2022184072A1 (fr) 2022-09-09

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Application Number Title Priority Date Filing Date
PCT/CN2022/078696 WO2022184072A1 (fr) 2021-03-05 2022-03-02 Cartouche d'encre

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Country Link
WO (1) WO2022184072A1 (fr)

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1378916A (zh) * 2001-03-30 2002-11-13 兄弟工业株式会社 墨盒、采用该墨盒的打印设备以及检测墨水剩余量的方法
CN101015991A (zh) * 2006-03-24 2007-08-15 兄弟工业株式会社 墨盒
WO2008041655A1 (fr) * 2006-09-29 2008-04-10 Brother Kogyo Kabushiki Kaisha Cartouche d'encre et système d'enregistrement à jet d'encre
JP2008183909A (ja) * 2002-04-16 2008-08-14 Seiko Epson Corp インクカートリッジ検出機構、インクジェットプリンタ及びインクカートリッジ
CN101462410A (zh) * 2008-12-31 2009-06-24 珠海纳思达电子科技有限公司 一种用于喷墨打印机的墨盒
CN101491975A (zh) * 2009-02-20 2009-07-29 珠海纳思达电子科技有限公司 一种用于喷墨打印机的墨盒
CN110217000A (zh) * 2019-07-08 2019-09-10 珠海市拓佳科技有限公司 一种墨盒
CN113022144A (zh) * 2021-03-05 2021-06-25 珠海益捷科技有限公司 墨盒
CN214774860U (zh) * 2021-03-05 2021-11-19 珠海益捷科技有限公司 墨盒

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1378916A (zh) * 2001-03-30 2002-11-13 兄弟工业株式会社 墨盒、采用该墨盒的打印设备以及检测墨水剩余量的方法
JP2008183909A (ja) * 2002-04-16 2008-08-14 Seiko Epson Corp インクカートリッジ検出機構、インクジェットプリンタ及びインクカートリッジ
CN101015991A (zh) * 2006-03-24 2007-08-15 兄弟工业株式会社 墨盒
WO2008041655A1 (fr) * 2006-09-29 2008-04-10 Brother Kogyo Kabushiki Kaisha Cartouche d'encre et système d'enregistrement à jet d'encre
CN101462410A (zh) * 2008-12-31 2009-06-24 珠海纳思达电子科技有限公司 一种用于喷墨打印机的墨盒
CN101491975A (zh) * 2009-02-20 2009-07-29 珠海纳思达电子科技有限公司 一种用于喷墨打印机的墨盒
CN110217000A (zh) * 2019-07-08 2019-09-10 珠海市拓佳科技有限公司 一种墨盒
CN113022144A (zh) * 2021-03-05 2021-06-25 珠海益捷科技有限公司 墨盒
CN214774860U (zh) * 2021-03-05 2021-11-19 珠海益捷科技有限公司 墨盒

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