WO2024251241A1 - 耗材承载构件和打印机 - Google Patents

耗材承载构件和打印机 Download PDF

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Publication number
WO2024251241A1
WO2024251241A1 PCT/CN2024/097993 CN2024097993W WO2024251241A1 WO 2024251241 A1 WO2024251241 A1 WO 2024251241A1 CN 2024097993 W CN2024097993 W CN 2024097993W WO 2024251241 A1 WO2024251241 A1 WO 2024251241A1
Authority
WO
WIPO (PCT)
Prior art keywords
printer
consumable material
carrying component
material carrying
consumable
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/CN2024/097993
Other languages
English (en)
French (fr)
Inventor
范文燚
林东明
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhongshan Polono Electronic Technology Co Ltd
Original Assignee
Zhongshan Polono Electronic 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
Priority claimed from CN202310677163.2A external-priority patent/CN119142037A/zh
Application filed by Zhongshan Polono Electronic Technology Co Ltd filed Critical Zhongshan Polono Electronic Technology Co Ltd
Priority to CN202480034783.7A priority Critical patent/CN121263311A/zh
Publication of WO2024251241A1 publication Critical patent/WO2024251241A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • B41J15/00—Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers or thermal printers, specially adapted for supporting or handling copy material in continuous form, e.g. webs
    • B41J15/04—Supporting, feeding, or guiding devices; Mountings for web rolls or spindles
    • 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
    • B41J2/315—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of heat to a heat sensitive printing or impression-transfer material
    • B41J2/32—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of heat to a heat sensitive printing or impression-transfer material using thermal heads

Definitions

  • the present application relates to the field of printers.
  • Thermal printers in the prior art usually use radio frequency identification technology (RFID) to obtain relevant information of the paper roll used and to prevent counterfeiting.
  • RFID radio frequency identification technology
  • the technical mechanism is usually to set the RFID chip on the label roll or label paper, and read and identify it contactlessly through the antenna set on the printer housing.
  • this method has strict requirements on paper roll manufacturing, resulting in higher production costs.
  • the printer in the prior art protects the consumable paper roll by providing a single independent support shaft and a surrounding structure provided on the support shaft.
  • the support shaft is assembled on the printer to support the consumable paper roll and the surrounding structure is used to limit the consumable paper roll on the support shaft to prevent the consumable paper roll from unravelling.
  • this structure is complex to assemble, which makes it difficult for users to replace consumables.
  • the operation of replacing consumables is relatively complex, time-consuming and labor-intensive, and affects the user experience.
  • the present application provides a consumable material carrying component and a printer.
  • the first aspect of the present application provides a consumable carrying component for carrying consumables; the consumable carrying component is placed in a printer and can change the circuit state in the printer, so that the printer can identify the consumable carrying component and use it to determine the information of the consumables; wherein the change in circuit state includes changes in current, voltage, resistance, or capacitance in the printer circuit.
  • the consumable carrying component placed in the printer can change the circuit state in the printer.
  • the printer can identify the consumable carrying component based on the changes in the current, voltage, resistance, or capacitance in the circuit and thereby distinguish different printing consumables. Compared with using RFID technology for identification, it can reduce manufacturing costs.
  • a conductive part is provided on the consumable carrying component, and the conductive part and the consumable carrying component are an integral structure, or the conductive part and the consumable carrying component are a detachable structure; the conductive part can be electrically connected to the electrical contact part on the printer body to trigger changes in the printer circuit, wherein the circuit changes include changes in current, voltage or resistance in the printer circuit.
  • a conductive circuit is formed between the conductive part and the electrical contact part through direct contact and cooperation, so that the connection between the conductive part and the electrical contact part is more stable and effective, and has the advantages of high connection stability and a simpler overall structure, which is conducive to improving printing quality.
  • the consumable material carrying component includes a fixed shaft, and the conductive part is provided at at least one end of the fixed shaft.
  • the consumable material carrying member includes a fixed shaft, and the two ends of the fixed shaft are provided with conductive parts that are electrically connected to each other; or the fixed shaft is entirely or partially made of a conductive material to form the conductive part.
  • the consumable material carrying member can also be a fixed shaft for winding consumables, and the two ends of the fixed shaft are provided with conductive parts that are electrically connected to each other, or the entire fixed shaft is made of a conductive material to form the conductive part.
  • the consumable carrying component includes a barrel body and two end covers, at least one of the two end covers is a removable end cover, the barrel body has an installation opening, and the removable end cover is arranged on the barrel body corresponding to the installation opening.
  • the removable end cover When the removable end cover is installed on the barrel body, it can at least partially block the installation opening to prevent the consumable from detaching from the barrel body.
  • the consumable carrying component When in use, the consumable carrying component can be taken out from the printer body, and the consumables can be loaded into the barrel body through the installation port, which has the advantage of convenient replacement/installation of consumables; the consumables are radially limited by the barrel body to prevent the consumables from moving and the consumable paper roll from spreading, and the consumables are axially limited by the two end covers to prevent the consumables from escaping from the barrel body, which is conducive to the stable supply of consumables to ultimately improve the printing quality.
  • an outlet portion is provided on the barrel body, and the consumables in the barrel body can be supplied through the outlet portion, and the outlet portion is communicated with the installation port.
  • the conductive portion is disposed on at least one of the end covers (preferably disposed on the outside of the end cover); the printer body has a side wall corresponding to the end cover, and the electrical contact portion is disposed on the side wall.
  • the end cap is a conductive end cap, and the electrical contact portion is electrically connected to the conductive portion through the end cap.
  • the conductive part is provided on both of the two end covers; wherein the consumable material carrying component is a conductive consumable material carrying component, and the two conductive parts are electrically connected via the consumable material carrying component.
  • the conductive part is provided on both end covers;
  • the consumable material carrying component also includes a support shaft for cooperating with the through hole portion on the consumable material, and the support shaft passes through the cylinder body; wherein the support shaft is a conductive support shaft, and the two conductive parts are electrically connected via the support shaft.
  • both ends of the support shaft protrude to the outside of the two end covers respectively; wherein a groove corresponding to the support shaft is provided on the side wall, and the electrical contact part is arranged in the groove and is electrically connected with the conductive part through the support shaft.
  • the printer includes a body and an outer cover, the body is provided with a accommodating portion for placing the consumable material carrying component, and the outer cover is arranged on the body and can open or close the accommodating portion; the conductive portion is arranged on the barrel body, and the electrical contact portion is arranged on the body or the outer cover corresponding to the conductive portion.
  • the end cap and the barrel body are both provided with the conductive parts electrically connected to each other.
  • the second aspect of the present application provides a printer, including a printer body, the printer body having a accommodating portion; wherein the printer also includes any one of the consumable material carrying components as described above, the consumable material carrying component is arranged in the accommodating portion; when the consumable material carrying component is placed in the accommodating portion, the circuit state of the printer changes; wherein the change in the circuit state includes a change in the current, voltage, resistance, or capacitance in the printer circuit.
  • a conductive part is provided on the consumable carrying member, and an electrical contact part is provided on the printer body.
  • the conductive part can be electrically connected to the electrical contact part to trigger changes in the printer circuit, wherein the circuit changes include changes in current, voltage, or resistance in the printer circuit.
  • a control unit is provided on the printer body. After the circuit state of the printer changes, the control unit processes the received electrical signal of the circuit so that the printer can identify the consumable carrying component through the electrical signal and thereby determine the information of the consumable.
  • the third aspect of the present application provides a printer, including a printer body, the printer body having a housing for placing a consumable material bearing member, the housing forming a capacitor, when the consumable material bearing member is placed in the housing, the capacitance of the housing changes, so that the printer can identify the consumable material bearing member, and thereby determine the information of the consumable material.
  • the consumable material bearing member is equivalent to the medium of the capacitor, and when different consumable material bearing members are placed, the capacitance of the capacitor will change accordingly, so that the printer can identify the consumable material bearing member, and thereby determine the information of the consumable material.
  • the two side walls of the accommodating portion together constitute the capacitor, and when the consumable material carrying member is placed between the two side walls, the capacitance of the accommodating portion changes; wherein the two side walls are any two opposite side walls of the accommodating portion.
  • the consumable carrying component includes a barrel body and two end covers, at least one of the two end covers is a removable end cover, the barrel body has a mounting opening, and the removable end cover is arranged on the barrel body corresponding to the mounting opening.
  • the removable end cover When the removable end cover is installed on the barrel body, it can at least partially block the mounting opening to prevent the consumable from detaching from the barrel body.
  • an outlet portion is provided on the barrel body, and the consumables in the barrel body can be supplied through the outlet portion, and the outlet portion is communicated with the installation port.
  • the consumable material carrying component includes a fixed shaft, and the fixed shaft is used to roll up the consumable material.
  • FIG1 is an overall structural diagram of a printer in a first group of embodiments of the present application.
  • FIG. 2 is a structural diagram of a paper tube installed in a receiving portion as an example of a consumable material carrying member in the first group of embodiments;
  • FIG. 3 is a perspective view of a paper roll as an example of a consumable material carrying member in the first group of embodiments;
  • FIG. 4 is an exploded view of a paper tube as an example of a consumable material carrying member in the first group of embodiments;
  • FIG. 5 is a structural diagram showing a first side wall of a printer body in the first group of embodiments
  • FIG. 6 is a structural diagram showing a second side wall of the printer body in the first group of embodiments
  • FIG. 7 is a structural diagram showing the support shaft passing through the cylinder body in the first group of embodiments
  • FIG8 is a schematic diagram showing the installation of the support shaft in the first group of embodiments.
  • FIG. 9 is a structural diagram showing that the conductive portion is disposed on the barrel body of the consumable material carrying member in the first group of embodiments;
  • FIG. 10 is a structural diagram showing that the electrical contact portion is disposed in the receiving portion in the first group of embodiments
  • FIG11 is a diagram showing the matching structure of the electrical contact portion disposed on the outer cover in the first group of embodiments
  • FIG. 12 is a structural diagram showing that two conductive parts are provided on the barrel body of the consumable material carrying member in the first group of embodiments;
  • 13 is a structural diagram showing the inner side of the outer cover in the first group of embodiments
  • FIG. 14 is a structural diagram showing that the cylinder body and the end cover of the consumables carrying member in the first group of embodiments are both provided with conductive parts;
  • 15 is a structural diagram showing that the electrical contact portions are provided on both the side wall of the printer and the peripheral wall of the accommodating portion in the first group of embodiments;
  • 16 is a detection circuit diagram of the printer using a circuit conduction method in the first group of embodiments of the present application.
  • 17 is a detection circuit diagram of a printer using a capacitance detection method in the first group of embodiments of the present application.
  • 18 is a schematic diagram of the overall structure of the label printer when the cover is closed in the second group of embodiments of the present application;
  • 19 is a schematic diagram of the structure of the label printer in the second group of embodiments of the present application when the cover is open and no label paper is loaded;
  • 20 is a schematic diagram of the structure of the label printer in the second group of embodiments of the present application when the cover is opened and label paper is loaded;
  • Example 21 is a schematic diagram of the structure of the label paper in Example 2-1;
  • FIG22 is a schematic diagram of label paper detection in Example 2-1;
  • FIG23 is a schematic diagram of label paper detection in Example 2-2;
  • FIG24 is a schematic structural diagram of an embodiment of a label paper having protrusions of different shapes/arrangements
  • FIG. 25 is a diagram showing the label paper detection principle of Example 2-3.
  • the printer of the first group of embodiments of the present application includes a printer body 10 and a consumable component detachably installed in the printer body 10, wherein the consumable component includes consumables (such as a paper roll) and a consumable carrying member 20 for installing the consumables (such as a paper roll).
  • the consumable component includes consumables (such as a paper roll) and a consumable carrying member 20 for installing the consumables (such as a paper roll).
  • the consumables in the present application may include thermal paper, ribbons, carbon ribbons, etc., which are generally formed into rolls, and the axis of the roll may have a through hole portion; the consumable carrying member 20 can accommodate or place any of the consumables described above; the printer can be a thermal printer, a ribbon printer, a carbon ribbon printer or a thermal transfer printer.
  • the printer body 10 has a accommodating portion 11, and the consumable carrying member 20 can be assembled into the accommodating portion 11 and can be taken out from the accommodating portion 11; wherein, the printer body 10 includes a body 12 and an outer cover 13, the outer cover 13 is arranged on the body 12 and can open or cover the accommodating portion 11, the outer cover 13 is opened during the process of placing or taking out the consumable carrying member 20, and the outer cover 13 is covered when the consumable carrying member 20 is placed in or taken out, so as to form a limit and protection for the consumable carrying member 20.
  • the outer cover 13 can be connected to the body 12 in a flip-cover form as shown in FIG. 11 , that is, the outer cover 13 and the body 12 can be connected by rotation to realize flipping.
  • the outer cover 13 can also be connected to the body 12 in a detachable form, that is, the outer cover 13 as a whole can be directly removed from the body 12; in addition, the outer cover 13 and the body 12 can also be slidably connected, for example, to form a drawer-type sliding matching structure.
  • the present application does not limit the connection structure between the outer cover 13 and the body 12 and will not be further elaborated.
  • the printer is provided with a detection device, which is used to detect at least one of the production information (e.g., manufacturer source), type parameter information (e.g., model, size specification), usage information, and anti-counterfeiting information (e.g., whether it is a genuine consumable) of the consumables installed in the printer.
  • the consumable assembly includes a detected component, and when the consumable assembly is installed in the printer, the detected component can be detected by the detection device to determine at least one of the production information (e.g., manufacturer source), type parameter information (e.g., model, size specification), usage information, and anti-counterfeiting information (e.g., whether it is a genuine consumable) of the consumable.
  • the detected component can be a conductive part, which can be installed on at least one of the consumable bearing member or the consumable, or integrally formed with the consumable bearing member, or independently arranged from the consumable bearing member and the consumable.
  • the consumable bearing member itself can also be used as a detected component, that is, at least part of the consumable bearing member is a conductive part.
  • the consumable material carrying member 20 itself or the conductive portion 30 disposed thereon acts as a detected member.
  • the consumable material carrying member 20 is placed in a printer to conduct the printer circuit (referring to the detection circuit of the printer for consumable material detection).
  • the circuit state in the printer allows the printer to identify the consumables carrying member 20, and then determine the information of the consumables.
  • the change of the circuit state includes the change of the current, voltage, resistance, or capacitance in the printer circuit.
  • the consumables carrying member 20 has a conductive function of conducting the printer circuit.
  • the consumables carrying member 20 is provided with a conductive portion 30, and the printer body 10 is provided with an electrical contact portion 40.
  • the conductive portion 30 can be electrically connected to the electrical contact portion 40 to conduct the printer circuit and trigger changes in the printer circuit, wherein the circuit changes include changes in current, voltage or resistance in the printer circuit.
  • the conductive portion 30 and the consumables carrying member 20 can be an integral structure, or the conductive portion 30 and the consumables carrying member 20 can be a detachable structure.
  • the conductive part 30 can be a support frame having a metal sheet, or a metal sheet fixed to the consumable material bearing member 20 by bolt connection, or a metal sheet fixed to the consumable material bearing member 20 by common technical means such as welding, which is not specifically limited here.
  • the consumables carrying member 20 includes a fixed shaft, which is generally fixedly disposed in the accommodating portion 11.
  • the two ends of the fixed shaft may be connected with end caps for axially limiting the consumables, or end caps may not be provided.
  • the consumables can be rotatably sleeved on the fixed shaft, and at least one end of the fixed shaft is provided with a conductive portion.
  • a metal sheet used as a conductive portion is attached to one or both sides of the fixed shaft, and the metal sheet can be provided on a sticker or directly attached to the fixed shaft, which is not specifically limited here.
  • the conductive portions 30 at the two ends of the fixed shaft are electrically connected to each other, and the fixed shaft can also be composed of a conductive material in whole or in part to form a conductive portion.
  • the consumables carrying member 20 may also be a fixed shaft for winding consumables (i.e., only including a fixed shaft), and the two ends of the fixed shaft are provided with mutually electrically connected conductive parts 30.
  • the conductive parts 30 at both ends of the fixed shaft can be electrically connected by a conductor bar or a wire, and the conductor bar or wire can pass through the through-hole part of the consumables, which is not specifically limited here; or, the entire fixed shaft is made of a conductive material, and the conductive parts 30 at both ends of the fixed shaft are electrically connected through a conductive fixed shaft.
  • the consumable material bearing member 20 may be a paper tube, including a tube body 21 and two end caps 22, one of the two end caps 22 is a fixed end cap 22a, and the other is a removable end cap 22b, the fixed end cap 22a and the tube body 21 are assembled together or formed as one body; the removable end cap 22b is connected to the tube body 21 by means of a snap fit, a magnetic fit, etc.
  • both end caps 22 may be removable end caps.
  • the barrel body 21 has a mounting opening 211, through which the consumables can be loaded into the barrel body 21 and radially limited by the barrel body 21 to prevent the consumables from moving and the consumables from unrolling; the removable end cap 22b is arranged on the barrel body 21 corresponding to the mounting opening 211.
  • the mounting opening 211 can be at least partially blocked to prevent the consumables from escaping from the barrel body 21; preferably, the removable end cap 22b can completely cover the mounting opening 211 to form a lateral (axial) limit for the consumables.
  • An outlet portion 212 is provided on the barrel body 21, and a print head is provided on the body 12. Consumables can be supplied to the print head through the outlet portion 212 for printing.
  • the specific structure and operation of the print head can refer to the prior art and will not be expanded here; please continue to refer to Figure 4.
  • the outlet portion 212 is preferably connected to the installation port 211, which is not only convenient for the installation of consumables and the pulling out of paper, but also has a simple structure and is easy to open the mold.
  • the consumable carrying member 20 may also include a support shaft 23 that cooperates with the through hole portion on the consumable.
  • the support shaft 23 may be fixed or assembled as one with one of the end covers 22, or may be integrally formed with or detachably connected to one of the end covers 22.
  • the conductive part 30 is arranged on the consumable carrying component 20, which can reduce the manufacturing difficulty of consumables (such as paper rolls), which is beneficial to saving the production cost of paper roll consumables; when the consumable carrying component 20 is installed in the accommodating part 11, the conductive part 30 can directly or indirectly form a conductive circuit with the electrical contact part 40 arranged on the printer body 10, which has the advantages of high connection stability and a simpler overall structure.
  • the printer body 10 is provided with a detection device, which includes a control unit and an electrical contact unit 40.
  • the control unit of the detection device is provided on the printer body 10, and the control unit is, for example, a main control board or a processor of the printer.
  • the control unit is, for example, a main control board or a processor of the printer.
  • the control unit judges and identifies the consumable material carrying member 20 according to the electrical signal of the circuit received at this time, so as to determine at least one of the production information, type parameter information, usage information and anti-counterfeiting information of the consumable material.
  • the consumable carrying component 20 when the consumable carrying component 20 is placed in the accommodating portion 11, the consumable carrying component 20 is equivalent to a conductor, and different consumable carrying components 20 can be set with different resistance values; at this time, a processor with an ADC module can be used, and the consumable carrying component 20 can be connected through the processor.
  • the ADC module can obtain the current voltage value of the consumable carrying component 20, and then compare it with the voltage information of each consumable carrying component pre-stored in the processor, so as to determine the model or parameters and other information of the current consumable carrying component; or the processor calculates the current value in the circuit, that is, obtains the voltage value at both ends of the consumable carrying component 20 through the ADC module, and then calculates the current value according to the resistance value in the circuit. Different current values correspond to different information of the consumable carrying component 20, so the consumable carrying component can be identified.
  • the processor of the printer can determine the model or parameters of the current consumable carrying member according to the different resistances of the consumable carrying member.
  • the consumable carrying members 20 with different resistances, voltages or currents correspond to different consumables, thereby determining the information of the consumables to distinguish different consumables.
  • the electrical signal can also be an electrical signal that can transmit data.
  • the conductive part 30 is a readable and writable chip.
  • the chip forms contact with the electrical contact part 40, so that the printer can recognize and obtain the information in the chip, and can write the information into the chip when necessary.
  • the conductive part 30 in the embodiment can be set at any position of the consumable carrying component 20 as needed; specifically, the conductive part 30 is preferably set on the outside of the consumable carrying component 20 so as to form contact and cooperation with the electrical contact part 40 when the consumable carrying component 20 is installed in the accommodating part 11, thereby improving the connection stability between the conductive part 30 and the electrical contact part 40, realizing stable detection of consumables, and improving printing quality.
  • the specific location of the conductive part 30 is described below by way of example.
  • the body 12 has two side walls 121 corresponding to the two end covers 22, and the two side walls 121 are respectively a first side wall 121a corresponding to the removable end cover 22b and a second side wall 121b corresponding to the fixed end cover 22a.
  • the conductive part 30 can be arranged on the end cover 22; as shown in Figures 3 to 5, the conductive part 30 is specifically arranged in the middle of the outer side of the removable end cover 22b, and the electrical contact part 40 is arranged on the first side wall 121a.
  • the conductive part 30 can also be arranged in the middle of the outer side of the fixed end cover 22a, and correspondingly, the electrical contact part 40 is arranged on the second side wall 121b, as shown in Figure 6; in another optional embodiment, the electrical contact part 40 can also be arranged independently, that is, the electrical contact part 40 can be a detachable structure with the printer body 10.
  • the conductive part 30 and the electrical contact part 40 are preferably in direct contact and cooperation; exemplarily, when the consumable carrying member 20 is installed in the accommodating portion 11, the conductive part 30 and the electrical contact part 40 are flush and in direct contact in the height direction; in other embodiments, when the consumable carrying member 20 is installed in the accommodating portion 11, the conductive part 30 and the electrical contact part 40 may also be staggered in the height direction and cannot be in direct contact.
  • the electrical connection between the conductive part 30 and the contact part is achieved, for example, through a conductive connecting part;
  • the fixed end cover 22a is, for example, a conductive end cover, and the electrical contact part 40 is electrically connected to the conductive part 30 through the conductive fixed end cover 22a; in another optional embodiment, the conductive part 30 may also be provided by the conductive fixed end cover 22a itself.
  • both end caps 22 may be provided with a conductive portion 30, and the two conductive portions 30 are preferably mutually conductive and respectively contact and cooperate with the two electrical contact portions 40 on the first side wall 121a and the second side wall 121b;
  • the consumable material carrying member 20 is a conductive paper tube as a whole, and the two conductive portions 30 are electrically connected through the conductive consumable material carrying member 20;
  • the conductive portion 30 may also be provided by the conductive consumables carrying member 20 itself.
  • the support shaft 23 is preferably arranged to penetrate the barrel body 21; wherein the support shaft 23 as a whole is a conductive support shaft, and the two conductive parts 30 are electrically connected through the support shaft 23; or, the support shaft 23 itself provides the conductive part 30 (for example, part or the whole of the support shaft 23 is made of conductive material to form the conductive part 30).
  • a groove 122 corresponding to the support shaft 23 is provided on the first side wall 121a and the second side wall 121b, and both ends of the support shaft 23 protrude to the outside of the two end caps 22 and can be installed in the groove 122; wherein the electrical contact part 40 is preferably arranged in the groove 122 to directly contact and cooperate with the support shaft 23.
  • the conductive part 30 can also be arranged on the barrel body 21; as shown in Figs. 9-10, the conductive part 30 is arranged in the middle of the barrel body 21, and the electrical contact part 40 is arranged on the peripheral wall 111 of the accommodating part 11 corresponding to the conductive part 30, and when the consumables carrying member 20 is installed in the accommodating part 11, the conductive part 30 directly forms contact and cooperation with the electrical contact part 40.
  • the peripheral wall 111 of the accommodating part 11 is specifically an arc shape that matches the shape of the barrel body 21.
  • the electrical contact portion 40 may also be disposed on the outer cover 13, and correspondingly, the conductive portion 30 is disposed at the end of the barrel body 21 close to the end cover 22 and facing the outer cover 13; further, as shown in FIG. 12-FIG 13 , the number of the conductive portions 30 may be two, and the two conductive portions 30 are connected, for example, by a wire; correspondingly, the number of the electrical contact portions 40 is also two, and the two electrical contact portions 40 are connected, for example, by a wire.
  • the consumables carrying member 20 is first installed in the accommodating portion 11, and then the outer cover 13 is assembled in place to complete the installation of the consumables carrying member 20.
  • the electrical contact portion 40 disposed on the inner side of the outer cover 13 forms direct contact with the conductive portion 30 on the barrel body 21 to turn on the printer circuit and trigger changes in the printer circuit.
  • the conductive part 30 can also be simultaneously arranged on the end cover 22 and the barrel body 21, and correspondingly, the electrical contact part 40 is arranged on the side wall 121, the peripheral wall 111 of the accommodating part 11 or the outer cover 13 to form contact cooperation with the two conductive parts 30.
  • the number of conductive parts 30 and electrical contact parts 40 in the embodiment can be set according to actual needs and is not limited here; illustratively, when the conductive part 30 is set at only one place, the conductive part 30 preferably has two or more electrical contacts and can cooperate with the electrical contact part 40 to form a conductive loop; when the conductive part 30 in the embodiment is set at two or more places, multiple conductive parts 30 are preferably connected to each other and respectively cooperate with the electrical contact part 40 to form a conductive loop.
  • the consumables carrying member 20 placed in the printer can change the capacitance in the printer circuit, so that the printer can identify the consumables carrying member 20 and use it to determine the information of the consumables. For example, by setting the receiving portion 11 as a capacitor and detecting the change in the capacitance of the receiving portion 11 after the consumables carrying member 20 is installed.
  • the housing portion 11 of the printer can be set as a capacitor.
  • the capacitance of the housing portion 11 changes, so that the printer can identify the consumables carrying component 20, and use this to determine the information of the consumables, which is convenient for distinguishing different printing consumables. Compared with using RFID technology for identification, it can also reduce manufacturing costs.
  • the consumables carrying member 20 may have a conductive function or be insulating, that is, the consumables carrying member 20 may not be provided with the conductive portion 30, and the electrical contact portion 40 is correspondingly changed into a capacitor plate.
  • the two side walls of the accommodating portion 11 can be set as capacitors, for example, the first side wall 121a and the second side wall 121b are both formed or provided with capacitor plates, and the two side walls together constitute a capacitor, and when the consumables carrying member 20 is placed in the accommodating portion 11, the capacitance of the accommodating portion 11 changes.
  • any two opposite side walls of the accommodating portion 11 can be formed into capacitor plates or capacitor plates can be provided thereon, and the two opposite side walls are, for example, left and right side walls, upper and lower side walls, and front and rear side walls.
  • the receiving portion 11 changes in capacitance; when the power is turned on, the capacitor starts to charge or discharge; in one embodiment, different materials of consumables carrying components 20 are placed, and the charging or discharging time required for the capacitor to reach a stable voltage value will change differently; the capacitor is connected through a processor to obtain the charging or discharging time of the capacitor, and is compared with the information corresponding to the specific time of different consumables carrying components 20 stored in the processor; and the ADC module continuously obtains the voltage value of the capacitor, and by calculating the time when the current capacitor reaches a stable voltage, the model or parameters of the current consumables carrying component 20 can be determined.
  • a capacitance sensor can also be connected to the circuit, and the capacitance sensor obtains the capacitance change information at both ends of the accommodating portion 11 and sends it to the processor, and the processor determines the model or parameters of the current consumables carrying component 20 by comparing the capacitance change amounts corresponding to the various consumables carrying components 20 pre-stored in the internal.
  • the second group of embodiments of the present application discloses a label paper as an example of a printing consumable and a label printer as an example of a printer.
  • a detected portion is provided on the label paper 4, which is used to represent the label paper information and can be detected by the sensor 6 of the label printer to identify the label paper; the detected portion is at least one of the raised portion 4a, recessed portion, conductive portion 4c and magnetic portion formed on the label paper.
  • the label paper 4 is a roll-type label paper.
  • the detected portion is arranged at the starting section of the roll label paper.
  • the number of the detected parts may be one or more, and the shapes and sizes of the multiple detected parts may be the same or different.
  • the conductive portion 4 c may be embedded in the label paper 4 and exposed from both surfaces of the label paper 4 .
  • the raised portion 4 a and/or the recessed portion and the label paper 4 have an integrally formed structure.
  • the label printer includes a housing 1, a paper feeding mechanism 2, a cutter 7, a print head 3 and an identification unit.
  • the housing 1 is provided with a paper bin 5, and the paper bin 5 contains any one of the aforementioned label papers 4;
  • the identification unit includes a sensor 6 arranged on the label paper conveying path, and the sensor 6 is used to detect the detected part of the label paper 4, and the identification unit identifies the label paper based on the output signal of the sensor 6.
  • the paper feeding mechanism 2 includes a paper feeding roller 21 , and the sensor 6 is located between the paper feeding roller 21 a and the cutter 7 on the label paper conveying path.
  • the housing 1 includes a main shell 11a and a cover body 12a, the paper bin 5 and the paper feeding mechanism 2 are arranged on the main shell 11a, and the print head 3 is arranged on the cover body 12a; the cover body 12a is rotatably connected to the main shell 11a and can rotate between a first position of opening the paper bin 5 and a second position of closing the paper bin 5.
  • the main housing 11 a has a paper feeding surface 14 disposed opposite to the cover body 12 a , and a label paper conveying path is formed between the paper feeding surface 14 and the cover body 12 a .
  • the label paper 4 uses at least one of the raised portion 4a, the recessed portion, the conductive portion 4c and the magnetic portion as the detected portion, and the identification unit identifies the label paper 4 based on the detection of the detected portion by the sensor 6, without the need to set a chip on the label paper 4, which has the advantage of low cost.
  • the detected portion is formed by changing the local shape or material of the label paper 4 itself, and such a detected portion cannot be peeled off from the label paper alone and reused, so as to avoid counterfeiting of the label paper 4.
  • the label printer of the second embodiment includes a housing 1, a paper feeding mechanism 2, a print head 3 and label paper 4; wherein a paper bin 5 for accommodating label paper is provided in the housing 1, and the label paper 4 is arranged in the paper bin 5.
  • the housing 1 includes a main housing 11a, The cover 12a and the label outlet 13a, the paper bin 5 and the paper feeding mechanism 2 are arranged on the main housing 11a, and the print head 3 is arranged on the cover 12a.
  • the main housing 11a has a paper feeding surface 14 arranged opposite to the cover 12a, and the paper feeding surface 14 extends from the opening of the paper bin 5 to the label outlet 13a.
  • the paper feeding surface 14 and the paper bin 5 have an integrally formed structure.
  • a label paper conveying path connecting the label outlet 13a and the paper bin 5 is formed between the paper feeding surface 14 and the cover body 12a.
  • the paper feeding mechanism 2 includes a paper feeding roller 21a arranged on the label paper conveying path and a driving mechanism (not visible in the figure) for driving the paper feeding roller 21a to rotate.
  • the setting of the driving mechanism can refer to the prior art and will not be repeated here.
  • the paper feeding roller 21a and the print head 3 are arranged opposite to each other and are respectively located on opposite sides of the label paper 4; when working, the print head 3 can apply elastic pressure to the label paper 4 to complete the printing operation, and make the label paper 4 elastically contact with the paper feeding roller 21a.
  • the paper feeding roller 21a rotates, the label paper 4 in the paper bin 5 can be conveyed toward the label outlet 13a.
  • the print head 3 is pressed against the label paper 4 and is in elastic contact with the label paper 4, which can not only hold the label paper 4 but also prevent the label paper 4 from being damaged due to hard contact during transportation; in addition, the elastic contact allows the print head 3 to adjust and adapt to label papers 4 of different thicknesses.
  • a cutter 7 is provided on the main housing 11a, and the cutter 7 is located on the downstream side of the paper feed roller 21a in the label paper conveying direction.
  • the cutter 7 is used to cut the printed label to obtain a finished label.
  • the cover body 12a is rotatably connected to the main housing 11a, and can rotate between a first position of closing the paper bin as shown in FIG18 and a second position of opening the paper bin as shown in FIG19. When the cover body 12a is in the open position, the opening of the paper bin 5 is exposed from the main housing 11a, and the user can place the label paper 4 into the paper bin 5.
  • the label paper 4 is generally a roll. After the label paper 4 is loaded into the paper bin 5, the label printer first needs to identify the label paper 4 before performing the printing operation.
  • the label printer of the embodiment is equipped with an identification unit, which includes a sensor 6 arranged on the label paper conveying path.
  • the sensor 6 can be located on the downstream side of the print head 3 and the paper feed roller 21a in the label paper conveying direction; optionally, the sensor 6 can also be located on the upstream side of the print head 3 and the paper feed roller 21a, which is designed according to actual needs.
  • the sensor 6 is located between the paper feed roller 21a and the cutter 7 on the label paper conveying path.
  • the label paper 4 itself is formed with a detected portion, which can be set at the starting section of the label paper 4 to represent the label paper information and can be detected by the sensor 6 of the label printer to identify the label paper.
  • the detected portion can be formed by a change in the local shape or material of the label paper 4 itself, and the identification unit identifies the label paper based on the detection of the detected portion by the sensor 6, which is described in detail below in conjunction with the embodiments.
  • the detected portion of the label paper 4 in Example 2-1 is a strip-shaped raised portion 4a formed on the surface of the label paper 4, and the number of the raised portions 4a can be one or more (for example, two as shown in the figure). Multiple raised portions 4a can be formed by changing the thickness of the label paper 4 at intervals in the length direction of the label paper 4.
  • Sensor 6 can adopt a capacitive sensor.
  • the capacitive charge of the sensor 6 will change, and the output signal of the sensor 6 will also change.
  • the recognition unit can identify the relevant information of the label paper according to the signal change of the sensor 6.
  • the sensor 6 used in Example 2-1 is not limited to a capacitive sensor, and for example, a pressure sensor or a distance sensor may also be used.
  • a pressure sensor or a distance sensor may also be used.
  • Example 2-2 the difference between Example 2-2 and Example 2-1 is that one of the two strip-shaped protrusions 4a has a relatively wide width, and the other has a relatively narrow width, so that the sensor 6 generates an output signal different from that of Example 2-1.
  • the identification unit can distinguish label papers 4 of different specifications/models.
  • the detected portion may also be a recessed portion formed on the surface of the label paper 4, or a combination of a recessed portion and a raised portion may be used as the detected portion.
  • the concave and convex parts there is no restriction on the shape of the concave and convex parts as the detected parts, for example, a convex part 4a in the shape of a triangle, a circle, a hexagon, etc. (see FIG. 24 ) may be used.
  • the concave and convex parts have an integrally formed structure with the label paper; for example, the concave and convex parts may be obtained by embossing the label paper 4, in which case a convex part is formed on one side of the label paper 4, and a concave part is formed on the other side.
  • the positions of the protrusions and depressions as the detected parts on the label paper 4 , as long as they can be detected by the sensor 6 .
  • the design can be made according to the installation position of the sensor 6 .
  • the detected portion can be formed by changing the material of the label paper 4 at intervals in the length direction of the label paper 4.
  • the label paper 4 has a plurality of (for example, two as shown) conductive portions 4c made of a conductive material, the conductive portions 4c are embedded in the label paper 4 and exposed from both surfaces of the label paper 4, and between the conductive portions 4c are non-conductive portions 4d made of a non-conductive material, and the conductive portions 4c and the non-conductive portions 4d are alternately arranged in the length direction of the label paper 4.
  • the sensor 6 can be an inductive sensor 6c.
  • the alternating arrangement of the conductive part 4c and the non-conductive part 4d causes the output signal of the sensor 6 to change.
  • the identification unit can identify the relevant information of the label paper based on the signal change of the sensor 6.
  • the identification unit can distinguish between label papers 4 of different specifications/models.
  • the detected portion may be a magnetic portion disposed on the label paper, the magnetic portion being made of a magnetic material.
  • the number of the magnetic portions may be one or more, and the shapes and/or sizes of the multiple magnetic portions may be the same or different.

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Abstract

公开了一种耗材承载构件和打印机。耗材承载构件（20）放置于打印机中能改变打印机中的电路状态，以使得打印机可判断识别耗材承载构件，并以此来判定耗材的信息；其中，电路状态的改变包括打印机电路中的电流、电压、电阻、或电容容量发生变化。通过如此的耗材承载构件，无需在耗材上设置RFID芯片，可以降低耗材的制造难度及节省生产成本。

Description

耗材承载构件和打印机 技术领域
本申请涉及打印机领域。
背景技术
目前各行各业在生产经营中经常需要使用各种类型的标签，例如商场商品上的标签、交易凭条等等，这类标签一般都较小，通常采用热敏打印机进行打印。由于该类热敏打印机的打印参数固定，不能根据耗材(例如纸卷)的不同而改变例如打印速度和温度等参数，导致当使用不符合打印参数的纸卷时，不能达到最佳打印效果，还可能造成对纸卷的破环，造成不必要的浪费。
现有技术中的热敏打印机通常是利用射频识别技术(RFID)来获取所使用纸卷的相关信息以及进行防伪，其技术机理通常是将RFID芯片设置在标签卷轴或者标签纸上，并通过设置在打印机壳体上的天线对其进行无接触的读取识别，但这种方式对纸卷制造要求较为严苛，导致生产成本较高。
另外，打印机在使用过程中经常出现因耗材纸卷散开而导致的卡纸情况；针对这一情况，现有技术中的打印机通过设置单个独立的支撑轴以及设置在支撑轴上的围边结构来对耗材纸卷进行防护，支撑轴装配在打印机上以支撑耗材纸卷并通过围边结构对支撑轴上的耗材纸卷形成限位以防止耗材纸卷散开。然而，这种结构装配复杂，给用户更换耗材带来较大困难，更换耗材的操作较为复杂，费时费力，影响用户的体验感。
发明内容
为至少部分解决现有技术中存在的不足，本申请提供了一种耗材承载构件和打印机。
本申请的第一方面提供了一种耗材承载构件，用于承载耗材；所述耗材承载构件放置于打印机中能改变打印机中的电路状态，以使得打印机可判断识别所述耗材承载构件，并以此来判定耗材的信息；其中，电路状态的改变包括打印机电路中的电流、电压、电阻、或电容容量发生变化。
在上述技术方案中，耗材承载构件放置于打印机中能改变打印机中的电路状态，打印机可以基于电路中的电流、电压、电阻、或电容容量的变化来判断识别耗材承载构件并以此区分不同的打印耗材，相对于使用RFID技术识别可减少制造成本。
进一步地，所述耗材承载构件上设有导电部，所述导电部与所述耗材承载构件为一体结构，或所述导电部与所述耗材承载构件为可拆卸结构；所述导电部可与打印机主体上的电接触部电连接以触发打印机电路发生变化，其中电路发生变化包括打印机电路中的电流、电压或电阻发生变化。
优选的，在耗材承载构件安装到打印机主体时，导电部与电接触部之间通过直接的接触配合而形成导通回路，这样导电部与电接触部之间的连接更加稳定有效，具有连接稳定性高和整体结构更加简洁的优点，有利于提高打印质量。
在一些实施例中，所述耗材承载构件包括固定轴，所述固定轴的至少一端设有所述导电部。
在一些实施例中，所述耗材承载构件包括固定轴，所述固定轴的两端设有相互电连接的导电部；或所述固定轴的整体或部分由导体材料构成以形成所述导电部。耗材承载构件也可以是用于收卷耗材的固定轴，所述固定轴的两端设有相互电连接的导电部，或整个固定轴都是通过导体材料构成以形成所述导电部。
在一些实施例中，所述耗材承载构件包括筒本体和两个端盖，两个所述端盖中的至少一个是可拆端盖，所述筒本体具有安装口，所述可拆端盖对应于所述安装口设置在所述筒本体上，所述可拆端盖安装到所述筒本体上时可至少部分封堵所述安装口而防止耗材从所述筒本体中脱离。
使用时，耗材承载构件可从打印机主体取出，耗材通过安装口装入筒本体，具有耗材更换/安装方便的优点；通过筒本体对耗材进行径向限位而防止耗材移动及耗材纸卷散开，并通过两个端盖对耗材进行轴向限制而防止耗材从筒本体中脱离，有利于耗材的稳定供应以最终实现提高打印的质量。
进一步地，所述筒本体上设有出口部，所述筒本体内的耗材可通过所述出口部被供应，所述出口部与所述安装口相连通。
可选的，所述导电部设置在至少一个所述端盖上(优选设置在所述端盖的外侧)；所述打印机主体具有对应于所述端盖的侧壁，所述电接触部设置在所述侧壁上。
进一步地，所述端盖为导电端盖，所述电接触部通过所述端盖与所述导电部进行电连接。
可选的，两个所述端盖上均设有所述导电部；其中，所述耗材承载构件为导电耗材承载构件，两个所述导电部通过所述耗材承载构件进行电连接。
可选的，两个所述端盖上均设有所述导电部；所述耗材承载构件还包括用于与耗材上通孔部配合的支撑轴，所述支撑轴贯穿所述筒本体；其中，所述支撑轴为导电支撑轴，两个所述导电部通过所述支撑轴进行电连接。
进一步地，所述支撑轴的两端分别凸伸至两个所述端盖的外侧；其中，所述侧壁上设有对应于所述支撑轴的凹槽，所述电接触部设置在所述凹槽中并通过所述支撑轴与所述导电部进行电连接。
可选的，所述打印机包括机身和外盖，所述机身设有用于放置所述耗材承载构件的容纳部，所述外盖设置在所述机身上并可打开或盖合所述容纳部；所述导电部设置在所述筒本体上，所述电接触部对应于所述导电部设置在所述机身或所述外盖上。
可选的，所述端盖和所述筒本体上均设有相互电连接的所述导电部。
本申请的第二方面提供了一种打印机，包括打印机主体，所述打印机主体具有容纳部；其中，所述打印机还包括如上所述的任意一种耗材承载构件，所述耗材承载构件设置于所述容纳部中；当所述耗材承载构件放置到所述容纳部中时，所述打印机的电路状态发生变化；其中电路状态的变化包括打印机电路中的电流、电压、电阻、或电容容量发生变化。
进一步地，所述耗材承载构件上设有导电部，所述打印机主体上设有电接触部，所述耗材承载构件安装到所述容纳部时，所述导电部可与所述电接触部电连接以触发打印机电路发生变化，其中电路发生变化包括打印机电路中的电流、电压、或电阻发生变化。
进一步地，所述打印机主体上设有控制部，在所述打印机的电路状态发生变化后，所述控制部处理接收到的所述电路的电信号，以使得打印机可通过所述电信号判断识别所述耗材承载构件，并以此来判定耗材的信息。
本申请的第三方面提供了一种打印机，包括打印机主体，所述打印机主体具有用于放置耗材承载构件的容纳部，所述容纳部形成电容，当所述耗材承载构件放置到所述容纳部中时，所述容纳部的电容容量发生变化，以使得打印机可判断识别所述耗材承载构件，并以此来判定耗材的信息。其中，耗材承载构件相当于电容的介质，放置不同的耗材承载构件时，电容的容量就会相应发生不同的变化，以使得打印机可判断识别所述耗材承载构件，并以此来判定耗材的信息。
进一步地，所述容纳部的两个侧壁共同构成所述电容，当所述耗材承载构件放置到两个所述侧壁之间时，所述容纳部的电容容量发生变化；其中，两个所述侧壁为所述容纳部的任意两个相对侧壁。
进一步地，所述耗材承载构件包括筒本体和两个端盖，两个所述端盖中的至少一个是可拆端盖，所述筒本体具有安装口，所述可拆端盖对应于所述安装口设置在所述筒本体上，所述可拆端盖安装到所述筒本体上时可至少部分封堵所述安装口而防止耗材从所述筒本体中脱离。
进一步地，所述筒本体上设有出口部，所述筒本体内的耗材可通过所述出口部被供应，所述出口部与所述安装口相连通。
进一步地，所述耗材承载构件包括固定轴，所述固定轴用于卷纳耗材。
为了更清楚地说明本申请的目的、技术方案和优点，下面结合附图和具体实施方式对本申请作进一步的详细说明。
附图说明
图1是本申请第一组实施例中打印机的整体结构图；
图2是第一组实施例中作为耗材承载构件示例的纸筒安装到容纳部中的结构图；
图3是第一组实施例中作为耗材承载构件示例的纸筒的立体图；
图4是第一组实施例中作为耗材承载构件示例的纸筒的分解图；
图5是显示第一组实施例中打印机主体第一侧壁的结构图；
图6是显示第一组实施例中打印机主体第二侧壁的结构图；
图7是显示第一组实施例中支撑轴贯穿筒本体的结构图；
图8是显示第一组实施例中支撑轴的安装示意图；
图9是显示第一组实施例中导电部设置在耗材承载构件的筒本体上的结构图；
图10是显示第一组实施例中电接触部设置在容纳部中的结构图；
图11是显示第一组实施例中电接触部设置在外盖上的配合结构图；
图12是显示第一组实施例中耗材承载构件的筒本体上设有两个导电部的结构图；
图13是显示第一组实施例中外盖内侧的结构图；
图14是显示第一组实施例中耗材承载构件的筒本体和端盖上同时设有导电部的结构图；
图15是显示第一组实施例中打印机侧壁和容纳部的周壁上同时设有电接触部的结构图；
图16是本申请第一组实施例中打印机采用电路导通方式的检测电路图；
图17是本申请第一组实施例中打印机采用电容检测方式的检测电路图；
图18是本申请第二组实施例中标签打印机盖体闭合时的整体结构示意图；
图19是本申请第二组实施例中标签打印机盖体开启且未装入标签纸时的结构示意图；
图20是本申请第二组实施例中标签打印机盖体开启且装入标签纸时的结构示意图；
图21是实施例2-1中标签纸的结构示意图；
图22是实施例2-1的标签纸检测原理图；
图23是实施例2-2的标签纸检测原理图；
图24是具有不同形状/排布凸起部的标签纸实施例的结构示意图；
图25是实施例2-3的标签纸检测原理图。
具体实施方式
在下面的描述中结合实施例阐述了很多具体细节以便于充分理解本申请，但应当理解的是，以下的实施例和详细描述仅用于说明的目的而不限制本申请的保护范围。
第一组实施例
如图1-图2所示，本申请第一组实施例的打印机包括打印机主体10和可拆卸地安装至打印机主体10中的耗材组件，其中耗材组件包括耗材(例如纸卷)和用于安装耗材(例如纸卷)的耗材承载构件20。
需要说明的是，本申请中耗材可以包括热敏纸、色带、碳带等，其一般形成为卷材，该卷材的轴心可以具有通孔部；耗材承载构件20可以容纳或安放如上所述任一耗材；打印机可以是热敏打印机、色带打印机、碳带打印机或热转印打印机。
如图5所示，打印机主体10具有容纳部11，耗材承载构件20可装配到容纳部11中并可从容纳部11中取出；其中，打印机主体10包括机身12和外盖13，外盖13设置在机身12上并可打开或盖合容纳部11，在放入或取出耗材承载构件20过程中打开外盖13并在耗材承载构件20放入或取出到位时盖上外盖13，以形成对耗材承载构件20的限位及防护。
具体的，外盖13可以例如以图11所示的翻盖形式与机身12相连接，即外盖13与机身12可以采用转动连接以实现翻盖。在其他的实施例中，外盖13也可以例如以可拆形式与机身12相连接，即外盖13整体可直接从机身12上移除；另外，外盖13与机身12也可以滑动连接，例如形成抽屉式的滑动配合结构。本申请对外盖13与机身12的连接结构不作限定，不再展开。
进一步地，打印机设置有检测装置，该检测装置用于检测安装至打印机中的耗材的生产信息(例如厂商来源)、类型参数信息(例如型号、尺寸规格)、使用信息及防伪信息(例如是否为正版耗材)的至少之一。耗材组件包括被检测构件，在耗材组件安装至打印机时，被检测构件能够被检测装置检测，以此来判定耗材的生产信息(例如厂商来源)、类型参数信息(例如型号、尺寸规格)、使用信息及防伪信息(例如是否为正版耗材)的至少之一。被检测构件可以为导电部，该导电部能够安装在耗材承载构件或耗材的至少之一上，或者与耗材承载构件一体成型，或者独立于耗材承载构件和耗材设置。耗材承载构件本身也可以作为被检测构件使用，即耗材承载构件的至少部分为导电部。
本申请的一些实施例中，耗材承载构件20本身或设置在其上的导电部30充当被检测构件，耗材承载构件20放置于打印机中能导通打印机电路(指打印机用于进行耗材检测的检测电路)，如改变打印 机中的电路状态，使得打印机可判断识别耗材承载构件20，进而以此来判定耗材的信息。其中，电路状态的改变包括打印机电路中的电流、电压、电阻、或电容容量发生变化。
在一些实施例中，耗材承载构件20含有导通打印机电路的导电功能，例如耗材承载构件20上设有导电部30，打印机主体10上设有电接触部40，耗材承载构20件放置于打印机中时，导电部30可与电接触部40电连接以导通打印机电路，并触发打印机电路发生变化，其中电路发生变化包括打印机电路中的电流、电压或电阻发生变化。导电部30与耗材承载构件20可为一体结构，或导电部30与耗材承载构件20为可拆卸结构。
当耗材承载构件20和导电部30是可拆卸连接关系时，便于使用时部件的维修和更换。导电部30可以为具有金属片的支撑架，也可以为金属片并通过螺栓连接方式固定于耗材承载构件20上，还可以为金属片并通过焊接等常见技术手段固定在耗材承载构件20上，此处不做具体限定。
在一些实施例中，耗材承载构件20包括固定轴，该固定轴一般固定设置在容纳部11中，该固定轴的两端可以连接有对耗材进行轴向限位的端盖，也可以不设置端盖，耗材可转动地套设在该固定轴上，该固定轴的至少一端设有导电部；在一些实施例中，在固定轴的一侧或两侧贴有用作导电部的金属片，该金属片可以设置在贴纸上，或者直接粘贴在固定轴上，此处不做具体限定。当该固定轴的两端设有导电部30时，固定轴两端的导电部30相互电连接，固定轴还可以整体或部分由导体材料构成以形成导电部。
进一步地，耗材承载构件20也可以是用于收卷耗材的固定轴(即仅包括固定轴)，固定轴的两端设有相互电连接导电部30。其中，固定轴两端的导电部30可以通过导体条或导线电连接，该导体条或导线可以贯穿耗材的通孔部，此处不做具体限定；或者，整个固定轴都是通过导体材料构成，固定轴两端的导电部30通过导电的固定轴电连接。
在一些实施例中，如图3-4所示，耗材承载构件20可以是纸筒，包括筒本体21和两个端盖22，两个端盖22中的一个为固定端盖22a、另一个为可拆端盖22b，固定端盖22a与筒本体21之间装配在一起或成型为一体；可拆端盖22b例如通过卡接配合、磁吸配合等方式与筒本体21进行连接。在一个可选的实施例中，两个端盖22均可以是可拆端盖。
其中，筒本体21具有安装口211，耗材可通过安装口211装入筒本体21中并通过筒本体21对耗材进行径向限位，以防止耗材移动及耗材卷散开；可拆端盖22b对应于安装口211设置在筒本体21上。优选的，可拆端盖22b安装到筒本体21上时可至少部分封堵安装口211而防止耗材从筒本体21中脱离；较佳地，可拆端盖22b能够完全覆盖安装口211，以对耗材形成侧向(轴向)限位。
筒本体21上设有出口部212，机身12上设有打印头，耗材可通过出口部212被供应给打印头以进行打印，打印头的具体结构及操作可参考现有技术，这里不再展开；请继续参阅图4，实施例中出口部212优选与安装口211相连通，不仅便于耗材安装及纸张的拉出，而且结构简单、便于开模。
进一步地，耗材承载构件20还可以包括与耗材上通孔部配合的支撑轴23，支撑轴23例如与其中一个端盖22固定为一体或装配为一体，也可以与其中一个端盖22一体成型或可拆卸连接；其中，耗材通过安装口211装入筒本体21时耗材上的通孔部与支撑轴23形成孔轴配合，以限定耗材在筒本体21中的位置，固定耗材转动的轴心，有利于对耗材进行定位以及促进耗材的稳定出纸。
本申请中，导电部30设置在耗材承载构件20上，可以降低耗材(例如纸卷)的制造难度，有利于节省纸卷耗材的生产成本；在耗材承载构件20安装到容纳部11时，导电部30可直接或间接与设置在打印机主体10上的电接触部40形成导通回路，具有连接稳定性高和整体结构更加简洁的优点。
打印机主体10设置有检测装置，检测装置包括控制部和电接触部40。具体的，检测装置的控制部设置在打印机主体10上，该控制部例如为打印机的主控制板或处理器，耗材承载构件20安装到容纳部11时，电接触部40与导电部30接触，此时打印机的电路导通，并触发打印机电路发生变化，其中电路发生变化包括打印机电路中的电流、电压或电阻发生变化。控制部根据此时所接收的电路的电信号对耗材承载构件20进行判断识别，以此来判定耗材的生产信息、类型参数信息、使用信息及防伪信息的至少之一。
参见图16，具体的，当耗材承载构件20放置到容纳部11时，耗材承载构件20相当于导体，不同的耗材承载构件20可以设置不同的电阻值；此时可以采用具有ADC模块的处理器，通过处理器连接耗材承载构件20，电路接通后，ADC模块即可获取当前耗材承载构件20的电压值，进而与预先存储在处理器内的每种耗材承载构件的电压信息进行比对，即可判断当前耗材承载构件的型号或参数等信息；或处理器通过计算电路中的电流值，即通过ADC模块获取耗材承载构件20两端的电压值，再根据电路中的电阻值计算出当前的电流值，不同的电流值对应不同的耗材承载构件20的信息，因此可以对耗材承载构件进行识别。
可选的，打印机的处理器可以根据耗材承载构件的电阻大小的不同判断当前耗材承载构件的型号或参数等。其中，具有不同电阻、电压或电流的耗材承载构件20分别对应不同的耗材，由此可以判定耗材的信息，以区分不同的耗材。
在一个可选的实施例中，电信号还可以是可传输数据的电信号，例如导电部30为可读写的芯片，耗材承载构件20安装到容纳部11时芯片与电接触部40形成接触配合，以使得打印机可识别获取芯片中的信息，并且在需要时可将信息写入到芯片中去。
实施例中的导电部30可根据需要设置在耗材承载构件20的任意位置；具体的，导电部30优选设置在耗材承载构件20的外侧以便于在耗材承载构件20安装到容纳部11时与电接触部40形成接触配合，进而提高导电部30与电接触部40之间的连接稳定性，实现对耗材的稳定检测，提高打印质量。
下面对导电部30的具体设置位置进行示例性的展开介绍。
如图5和图6所示，机身12具有对应于两个端盖22的两个侧壁121，两个侧壁121分别为对应于可拆端盖22b的第一侧壁121a和对应于固定端盖22a的第二侧壁121b。在本申请的一些实施例中，导电部30可以设置在端盖22上；如图3-图5所示，导电部30具体设置在可拆端盖22b的外侧中部，电接触部40设置在第一侧壁121a上。在另一个可选的实施例中，导电部30也可以设置在固定端盖22a的外侧中部，对应的，电接触部40设置在第二侧壁121b上，如图6所示；在另外的可选实施例中，电接触部40还可以独立设置，即电接触部40可以与打印机主体10为可拆卸结构。
在上述实施例中，导电部30与电接触部40优选为直接接触配合；示例性的，耗材承载构件20安装到容纳部11时在高度方向上导电部30与电接触部40相平齐而直接接触；在其他的实施例中，耗材承载构件20安装到容纳部11时在高度方向上导电部30与电接触部40也可以相错开而无法直接接触，此时例如通过导电连接部的形式实现导电部30与接触部之间进行电性连接；示例性的，固定端盖22a例如为导电端盖，电接触部40通过导电的固定端盖22a与导电部30进行电连接；在另一个可选的实施例中，也可以通过导电的固定端盖22a自身来提供导电部30。
作为上述实施例的一种延伸，两个端盖22上还可以都设有导电部30，两个导电部30之间优选为互相导通，并分别与第一侧壁121a和第二侧壁121b上的两个电接触部40形成接触配合；示例性的，耗材承载构件20整体为导电纸筒，两个导电部30通过导电的耗材承载构件20进行电连接；在另一个 可选的实施例中，也可以通过导电的耗材承载构件20自身提供导电部30。
在一个可选的实施例中，如图7-8所示，支撑轴23优选设置为贯穿筒本体21；其中，支撑轴23整体为导电支撑轴，两个导电部30通过支撑轴23进行电连接；或者，支撑轴23自身提供导电部30(例如支撑轴23的部分或整体由导电材料制成以形成导电部30)。进一步地，第一侧壁121a和第二侧壁121b上设有对应于支撑轴23的凹槽122，支撑轴23的两端凸伸至两个端盖22的外侧并可安装到凹槽122中；其中，电接触部40优选设置在凹槽122中以与支撑轴23直接接触配合。
在本申请的另一些实施例中，导电部30还可以设置在筒本体21上；如图9-10所示，导电部30设置在筒本体21的中部，电接触部40对应于导电部30设置在容纳部11的周壁111上，耗材承载构件20安装到容纳部11时导电部30直接与电接触部40形成接触配合。较佳地，容纳部11的周壁111具体是与筒本体21形状相适配的圆弧形。
在其他实施例中，如图11所示，电接触部40还可以设置在外盖13上，对应的，导电部30设置在筒本体21靠近端盖22的端部并面向外盖13；进一步地，如图12-图13所示，导电部30的数目可以是两个，两个导电部30之间例如通过导线进行连接；对应的，电接触部40的数目也为两个，两个电接触部40之间例如通过导线进行连接。使用时，先将耗材承载构件20安装到容纳部11中，然后将外盖13装配到位以完成耗材承载构件20的装机，此时，外盖13内侧设置的电接触部40与筒本体21上的导电部30形成直接接触配合而导通打印机电路，并触发打印机电路发生变化。
在本申请的又一些实施例中，如图14-图15所示，导电部30还可以同时设置在端盖22和筒本体21上，对应的，电接触部40设置在侧壁121、容纳部11的周壁111或外盖13上进而与两个导电部30形成接触配合。
需说明的是，实施例中的导电部30和电接触部40的数目可按照实际需要进行设置，这里不对其进行限定；示例性的，导电部30只设置一处时，导电部30优选具有两个或两个以上的电触点而能够与电接触部40配合形成导通回路；实施例中的导电部30设置两处或两处以上时，多个导电部30优选互相连接并分别与电接触部40配合以形成导通回路。
本申请的一些实施例中，耗材承载构件20放置于打印机中能改变打印机电路中的电容容量，以使得打印机可判断识别耗材承载构件20，并以此来判定耗材的信息。例如通过将容纳部11设置为电容，并检测耗材承载构件20安装后容纳部11的电容容量变化。
具体的，打印机的容纳部11可设置为电容，当耗材承载构件20放置于容纳部11时，容纳部11的电容容量发生变化，以使得打印机可判断识别耗材承载构件20，并以此来判定耗材的信息，便于区分不同的打印耗材，相对于使用RFID技术识别同样可减少制造成本。
在使用耗材承载构件20改变打印机电路中的电容容量的实施例中，耗材承载构件20可以具有导电功能或是绝缘的，也就是说，此时耗材承载构件20可以不设置导电部30，电接触部40相应地变化为电容极板。
具体来说，可以将容纳部11的两个侧壁设置为电容，例如第一侧壁121a和第二侧壁121b均形成或设有电容极板，两个侧壁共同构成电容，当耗材承载构件20放置到容纳部11中时，容纳部11的电容容量发生变化。需指出的是，可以将容纳部11的任意两个相对侧壁形成电容极板或在其上设置电容极板，两个相对侧壁例如为左右侧壁、上下侧壁和前后侧壁。
参见图17，当耗材承载构件20放置在为电容的容纳部11中时，耗材承载构件20放置后，容纳部 11的电容发生变化；此时电源接通后，电容开始充电或放电；在其中一个实施例中，放入不同材质的耗材承载构件20，电容达到稳定电压值所需的充电或放电时间会有不同变化；通过处理器连接电容，获取电容充电或放电的时间，并与存储在处理器中的不同耗材承载构件20对应各自特定时间的信息进行比对；且ADC模块不断获取电容的电压值，通过计算当前电容达到稳定电压时的时间，即可判断当前耗材承载构件20的型号或参数。在另外一个实施中，还可以在电路中连接加入电容传感器，通过电容传感器获取容纳部11两端的电容变化信息发送至处理器，处理器与预先存储在内部各种耗材承载构件20对应各自的电容变化量来判断当前耗材承载构件20的型号或参数。
第二组实施例
如图18至图25所示，本申请的第二组实施例公开了一种作为打印耗材示例的标签纸及作为打印机示例的标签打印机。
本申请的第二组实施例中，标签纸4上设有被检测部，被检测部用以代表标签纸信息，并能够被标签打印机的传感器6检测以进行标签纸识别；被检测部为形成在标签纸上的凸起部4a、凹陷部、导电部4c和磁性部中的至少一种。
进一步地，标签纸4为卷式标签纸。
进一步地，被检测部设置在卷式标签纸的起始段。
进一步地，被检测部的数量可以为一个或多个，多个被检测部的形状和大小可以相同或不同。
进一步地，导电部4c可以嵌入在标签纸4内，并且从标签纸4的两个表面暴露。
进一步地，凸起部4a和/或凹陷部与标签纸4具有一体成型结构。
申请的第二组实施例中，标签打印机包括外壳1、送纸机构2、切刀7、打印头3和识别单元，外壳1设有纸仓5，纸仓5内装有前述的任意一种标签纸4；识别单元包括设置在标签纸输送路径上的传感器6，传感器6用于对标签纸4的被检测部进行检测，识别单元基于传感器6的输出信号对标签纸进行识别。
进一步地，送纸机构2包括送纸辊21，在标签纸输送路径上，传感器6位于送纸辊21a和切刀7之间。
在一个可选的实施方式中，外壳1包括主壳体11a和盖体12a，纸仓5和送纸机构2设置在主壳体11a上，打印头3设置在盖体12a上；盖体12a与主壳体11a转动连接，并能够在打开纸仓5的第一位置和关闭纸仓5的第二位置之间转动。
进一步地，主壳体11a具有与盖体12a相对设置的走纸面14，走纸面14和盖体12a之间形成标签纸输送路径。
本申请的第二组实施例中，标签纸4采用凸起部4a、凹陷部、导电部4c和磁性部中的至少一种作为被检测部，识别单元基于传感器6对被检测部的检测进行标签纸4识别，无需另外在标签纸4上设置芯片，具有成本低的优点。另外，被检测部通过标签纸4本身局部形状或材料的变化而形成，这种被检测部无法单独从标签纸剥离而重复利用，以避免标签纸4的仿冒。
以下，结合具体实施例对第二组实施例的标签打印机和标签纸进行详细说明。
如图18-图20所示，第二组实施例的标签打印机包括外壳1、送纸机构2、打印头3和标签纸4；其中，外壳1内设有容纳标签纸的纸仓5，标签纸4设置在纸仓5内。具体的，外壳1包括主壳体11a、 盖体12a和标签出口13a，纸仓5和送纸机构2设置在主壳体11a上，打印头3设置在盖体12a上。主壳体11a具有与盖体12a相对设置的走纸面14，走纸面14从纸仓5的开口向标签出口13a延伸。优选的，走纸面14与纸仓5具有一体成型结构。
走纸面14和盖体12a之间形成连接标签出口13a与纸仓5的标签纸输送路径，送纸机构2包括设置在该标签纸输送路径上的送纸辊21a以及驱动送纸辊21a旋转的驱动机构(图中不可见)，该驱动机构的设置可以参照现有技术，这里不再赘述。其中，送纸辊21a和打印头3相对设置，并分别位于标签纸4的相对两侧；工作时，打印头3可以向标签纸4施加弹性压力，以完成打印作业，并使得标签纸4与送纸辊21a弹性接触，送纸辊21a旋转时可将纸仓5内的标签纸4向标签出口13a方向输送。
实施例中，打印头3按压于标签纸4并与标签纸4弹性接触，既可以压住标签纸4，又防止标签纸4传送过程中硬性接触导致损坏；另外，弹性接触可以使得打印头3调节并适配不同厚度的标签纸4。
进一步地，主壳体11a上设有切刀7，切刀7在标签纸输送方向上位于送纸辊21a的下游侧。切刀7用于对打印好的标签进行裁切，得到成品标签。盖体12a与主壳体11a转动连接，并可以在如图18所示关闭纸仓的第一位置以及如图19所示打开纸仓的第二位置之间转动。在盖体12a处于开启位置时，纸仓5的开口从主壳体11a暴露，此时用户可以向纸仓5内放置标签纸4，标签纸4一般为卷料。在标签纸4装入纸仓5后，标签打印机首先需要对标签纸4进行识别，然后才进行打印作业。
为了识别标签纸4的信息，实施例的标签打印机配置有识别单元，该识别单元包括设置在标签纸输送路径上的传感器6，传感器6在标签纸输送方向上可以位于打印头3和送纸辊21a的下游侧；可选地，传感器6也可以位于打印头3和送纸辊21a的上游侧，根据实际需求设计。优选的，传感器6在标签纸输送路径上位于送纸辊21a和切刀7之间。
相应的，标签纸4本身形成有被检测部，被检测部可以设置在标签纸4的起始段，用以代表标签纸信息，并能够被标签打印机的传感器6检测以进行标签纸识别。其中，被检测部可以通过标签纸4本身局部形状或材料的变化而形成，识别单元基于传感器6对被检测部的检测进行标签纸识别，以下结合实施例进行详细说明。
实施例2-1
如图21和图22所示，实施例2-1中标签纸4的被检测部为形成在标签纸4表面的条状凸起部4a，凸起部4a的数量可以为一个或多个(例如图示的两个)。多个凸起部4a可以通过在标签纸4的长度方向上间隔地改变标签纸4的厚度而形成。
传感器6可以采用电容式传感器，在标签纸4沿M方向输送时，随着凸起部4a从传感器6的两个电极6a之间穿过，传感器6的电容电荷量将产生变化，传感器6的输出信号也随着变化，识别单元根据传感器6的信号变化就可以识别标签纸的相关信息。
需指出的是，实施例2-1所使用传感器6并不限于电容式传感器，例如也可以采用压力传感器或距离传感器等。当凸起部4a与压力传感器接触时传感器的检测部被推动，凸起部4a经过传感器后检测部复位，压力传感器的输出信号产生变化，使得识别单元可以对标签纸进行识别；当凸起部4a经过距离传感器时，标签纸4与距离传感器的间距产生变化，距离传感器的输出信号相应改变，使得识别单元可以对标签纸进行识别。
实施例2-2
如图23所示，实施例2-2与实施例2-1的区别在于：两个条状凸起部4a中的一个具有相对较宽的 宽度，另一个具有相对较窄的宽度，从而使得传感器6产生与实施例2-1不同的输出信号。
本申请中，当凸起部4a的尺寸/大小、多个凸起部4a之间的间距等变化时，传感器6将产生不同的输出信号(例如高低电平的时长、间隔变化)，根据输出信号的不同，识别单元可以区分不同规格/型号的标签纸4。
作为上述实施例的变化，被检测部也可以是形成在标签纸4表面的凹陷部，或者利用凹陷部和凸起部的组合来作为被检测部。
本申请中，对作为被检测部的凹陷部和凸起部的形状可以不作限制，例如还可以采用三角形、圆形、六边形等形状的凸起部4a(见图24)。优选的，凹陷部和凸起部与标签纸具有一体成型结构；例如，凹陷部和凸起部可以通过对标签纸4进行压印加工而得到，此时标签纸4的一面形成凸起部，另一面对应形成凹陷部。
进一步地，对作为被检测部的凸起部和凹陷部在标签纸4上的位置可以不作限定，只要能够被传感器6检测即可，具体应用时可以根据传感器6的安装位置进行设计。
实施例2-3
被检测部可以通过在标签纸4的长度方向上间隔地改变标签纸4的材质而形成。实施例2-3中，如图25所示，标签纸4具有由导电材料制成的多个(例如图示的两个)导电部4c，导电部4c嵌入在标签纸4内，并且从标签纸4的两个表面暴露，导电部4c之间是由非导电材料制成的非导电部4d，导电部4c和非导电部4d在标签纸4的长度方向上交替设置。
传感器6可以采用电感式传感器6c，标签纸4沿M方向输送时，导电部4c和非导电部4d的交替设置使得传感器6的输出信号产生变化，识别单元根据传感器6的信号变化就可以识别标签纸的相关信息。
实施例中，当导电部4c的尺寸/大小、多个导电部4c之间的间距等变化时，传感器6通断电的频次、时间长短将发生相应的变化，传感器6将产生不同的输出信号，根据输出信号的不同，识别单元可以区分不同规格/型号的标签纸4。
作为实施例2-3的一种变化，被检测部可为设置在标签纸上的磁性部，该磁性部由磁性材料制成。其中，磁性部的数量可以为一个或多个，多个磁性部的形状和/或大小可以相同或不同。
为简便起见，对上述不同实施例中的一些相同描述进行了省略。除非存在相互矛盾或排斥的情形，否则以上所申请的不同实施例可以相互引用、参照或组合，不同实施例的技术特征/部件也可以进行相互的组合和/或替换。
虽然以上通过实施例描绘了本申请的技术方案，但应当理解的是，上述实施例仅用于示例性地描述本申请的可实施方案，而不应解读为限制本申请的保护范围，即凡本领域技术人员依照本申请所作的置换或变化，应同样为本申请权利要求的保护范围所涵盖。

Claims (21)

  1. 一种耗材承载构件，用于承载耗材；其特征在于：所述耗材承载构件放置于打印机中能改变打印机中的电路状态，以使得打印机可判断识别所述耗材承载构件，并以此来判定耗材的信息；其中，电路状态的改变包括打印机电路中的电流、电压、电阻、或电容容量发生变化。
  2. 根据权利要求1所述的耗材承载构件，其特征在于：所述耗材承载构件上设有导电部，所述导电部与所述耗材承载构件为一体结构，或所述导电部与所述耗材承载构件为可拆卸结构；所述导电部可与打印机主体上的电接触部电连接以触发打印机电路发生变化，其中电路发生变化包括打印机电路中的电流、电压或电阻发生变化。
  3. 根据权利要求2所述的耗材承载构件，其特征在于：所述耗材承载构件包括固定轴，所述固定轴的至少一端设有所述导电部。
  4. 根据权利要求2所述的耗材承载构件，其特征在于：所述耗材承载构件包括固定轴，所述固定轴的两端设有相互电连接的所述导电部；或所述固定轴的整体或部分由导体材料构成以形成所述导电部。
  5. 根据权利要求2所述的耗材承载构件，其特征在于：所述耗材承载构件包括筒本体和两个端盖，两个所述端盖中的至少一个是可拆端盖，所述筒本体具有安装口，所述可拆端盖对应于所述安装口设置在所述筒本体上，所述可拆端盖安装到所述筒本体上时可至少部分封堵所述安装口。
  6. 根据权利要求5所述的耗材承载构件，其特征在于：所述筒本体上设有出口部，所述筒本体内的耗材可通过所述出口部被供应，所述出口部与所述安装口相连通。
  7. 根据权利要求5所述的耗材承载构件，其特征在于：所述导电部设置在至少一个所述端盖上；所述打印机主体具有对应于所述端盖的侧壁，所述电接触部设置在所述侧壁上。
  8. 根据权利要求7所述的耗材承载构件，其特征在于：所述端盖为导电端盖，所述电接触部通过所述导电端盖与所述导电部进行电连接。
  9. 根据权利要求7所述的耗材承载构件，其特征在于：两个所述端盖上均设有所述导电部；其中，所述耗材承载构件为导电耗材承载构件，两个所述导电部通过所述耗材承载构件进行电连接。
  10. 根据权利要求7所述的耗材承载构件，其特征在于：两个所述端盖上均设有所述导电部；所述耗材承载构件还包括用于与耗材上通孔部配合的支撑轴，所述支撑轴贯穿所述筒本体；其中，所述支撑轴为导电支撑轴，两个所述导电部通过所述支撑轴进行电连接。
  11. 根据权利要求10所述的耗材承载构件，其特征在于：所述支撑轴的两端分别凸伸至两个所述端盖的外侧；其中，所述侧壁上设有对应于所述支撑轴的凹槽，所述电接触部设置在所述凹槽中并通过所述支撑轴与所述导电部进行电连接。
  12. 根据权利要求5所述的耗材承载构件，其特征在于：所述打印机包括机身和外盖，所述机身设有用于放置所述耗材承载构件的容纳部，所述外盖设置在所述机身上并可打开或盖合所述容纳部；所述导电部设置在所述筒本体上，所述电接触部对应于所述导电部设置在所述机身或所述外盖上。
  13. 根据权利要求5所述的耗材承载构件，其特征在于：所述端盖和所述筒本体上均设有相互电连接的所述导电部。
  14. 一种打印机，包括打印机主体，所述打印机主体具有容纳部，其特征在于：所述打印机还包括如权利要求1至13任一项所述的耗材承载构件，所述耗材承载构件设置于所述容纳部中，当所述耗材承载构件放置到所述容纳部中时，所述打印机的电路状态发生变化；其中电路状态的变化包括打印机电路中的电流、电压、电阻、或电容容量发生变化。
  15. 根据权利要求14所述的打印机，所述耗材承载构件上设有导电部，所述打印机主体上设有电接触部，所述耗材承载构件安装到所述容纳部时，所述导电部可与所述电接触部电连接以触发打印机电路发生变化，其中电路发生变化包括打印机电路中的电流、电压、或电阻发生变化。
  16. 根据权利要求14所述的打印机，其特征在于：所述打印机主体上设有控制部，在所述打印机的电路状态发生变化后，所述控制部处理接收到的所述电路的电信号，以使得打印机可通过所述电信号判断识别所述耗材承载构件，并以此来判定耗材的信息。
  17. 一种打印机，包括打印机主体，其特征在于：所述打印机主体具有用于放置耗材承载构件的容纳部，所述容纳部形成电容，当所述耗材承载构件放置到所述容纳部中时，所述容纳部的电容容量发生变化，以使得打印机可判断识别所述耗材承载构件，并以此来判定耗材的信息。
  18. 据权利要求17所述的打印机，其特征在于：所述容纳部的两个侧壁共同构成所述电容，当所述耗材承载构件放置到两个所述侧壁之间时，所述容纳部的电容容量发生变化；其中，两个所述侧壁为所述容纳部的任意两个相对侧壁。
  19. 据权利要求17所述的打印机，其特征在于：所述耗材承载构件包括筒本体和两个端盖，两个所述端盖中的至少一个是可拆端盖，所述筒本体具有安装口，所述可拆端盖对应于所述安装口设置在所述筒本体上，所述可拆端盖安装到所述筒本体上时可至少部分封堵所述安装口。
  20. 根据权利要求19所述的耗材承载构件，其特征在于：所述筒本体上设有出口部，所述筒本体内的耗材可通过所述出口部被供应，所述出口部与所述安装口相连通。
  21. 据权利要求17所述的打印机，其特征在于：所述耗材承载构件包括固定轴，所述固定轴用于卷纳耗材。
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CN207825757U (zh) * 2016-09-23 2018-09-07 大数据奥尼尔公司 打印机主轴组件
US10245861B1 (en) * 2017-10-04 2019-04-02 Datamax-O'neil Corporation Printers, printer spindle assemblies, and methods for determining media width for controlling media tension

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