CN212386165U - Circuit board, circuit device, and printing material container assembly - Google Patents
Circuit board, circuit device, and printing material container assembly Download PDFInfo
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- CN212386165U CN212386165U CN202021474869.7U CN202021474869U CN212386165U CN 212386165 U CN212386165 U CN 212386165U CN 202021474869 U CN202021474869 U CN 202021474869U CN 212386165 U CN212386165 U CN 212386165U
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Abstract
The utility model discloses a circuit board, circuit device, printing material container subassembly. A circuit board for mounting on a printing material container, the circuit board including an original circuit board and an auxiliary portion, the original circuit board including a plurality of terminals for contacting with the printing material container or with a printing apparatus; the auxiliary part is arranged on the original circuit board and is used for providing a conductive path and/or blocking the conductive path between the terminals; the circuit board is a multilayer circuit board. The embodiment of the utility model provides an in can using the printing apparatus of target series with original circuit board, reduce printing apparatus's cost.
Description
Technical Field
The embodiment of the utility model provides a relate to the circuit board technique, especially relate to a circuit board, circuit device, printing material container subassembly.
Background
Printing equipment is widely applied in modern society, the printing equipment comprises a printing material container, a circuit board and a chip corresponding to the printing equipment are arranged on the printing material container, and along with popularization of the printing equipment, the requirement on the cost of the printing equipment is higher and higher.
One way to reduce the cost of printing devices is to recycle the printing material containers, such as recycling the original series of printing material containers for application to the target series of printing devices; however, the recycled printing material containers are various, and the circuit boards on the printing material containers are also various, and when the printing material containers are applied to the printing apparatuses of the target series, the circuit boards may not be compatible, so that the printing material containers cannot be applied, and thus the cost of the printing apparatuses cannot be reduced.
SUMMERY OF THE UTILITY MODEL
The utility model provides a circuit board, circuit device, printing material container subassembly to in making the circuit board among the original series printing apparatus can use the printing apparatus of target series, reduce printing apparatus's cost.
In a first aspect, an embodiment of the present invention provides a circuit board for mounting on a printing material container, the circuit board including an original circuit board and an auxiliary portion, the original circuit board including a plurality of terminals, the terminals being for contacting with the printing material container or with a printing apparatus; the auxiliary part is arranged on the original circuit board and is used for providing a conductive path and/or blocking the conductive path between the terminals; the circuit board is a multilayer circuit board.
Optionally, the auxiliary portion is used to provide a conductive path, and the auxiliary portion is resistive.
Optionally, the auxiliary portion comprises carbon oil or a resistive discrete element.
Optionally, the auxiliary portion is carbon oil.
Optionally, the circuit board further includes an insulating film covering at least a part of the auxiliary portion.
Optionally, the raw circuit board includes a first sensor connection terminal and a second sensor connection terminal for contacting the printing material container; the auxiliary portion includes a first auxiliary portion connected to the first sensor connection terminal and the second sensor connection terminal for providing a conductive path between the first sensor connection terminal and the second sensor connection terminal.
Optionally, the original circuit board further comprises a limiting hole located between the first sensor connecting terminal and the second sensor connecting terminal; the minimum distance between the edge of the first auxiliary part and the edge of the limiting hole is greater than or equal to a preset distance.
Optionally, the auxiliary portion is used only to provide a conductive path.
Optionally, the original circuit board comprises a first short detection terminal and a second short detection terminal, and the first short detection terminal and the second short detection terminal are used for contacting with the printing device; the auxiliary portion includes a second auxiliary portion connected to the first short detection terminal and the second short detection terminal for providing a conductive path between the first short detection terminal and the second short detection terminal.
Optionally, the printing apparatus comprises a short detection circuit; the original circuit board does not include a terminal for electrical connection with the short detection circuit; the auxiliary portion includes a third auxiliary portion including a contact portion for electrical connection with the short detection circuit.
Optionally, the auxiliary portion comprises a groove for blocking a conductive path between the terminals.
Optionally, the original circuit board comprises a first short detection terminal, a ground terminal and a second short detection terminal; the first short detection terminal, the ground terminal and the second short detection terminal are used for contacting with the printing equipment; the first short circuit detection terminal is used for being electrically connected with a chip; and a conductive path exists between the first short detection terminal and the ground terminal in the original circuit board; the auxiliary portion includes the groove, and the groove is disposed on the conductive paths of the first short detection terminal and the ground terminal, and is configured to block the conductive path between the first short detection terminal and the ground terminal.
In a second aspect, an embodiment of the present invention further provides a circuit device, including the circuit board and the chip of the first aspect; the chip comprises a control unit and a memory, and a plurality of pins of the chip are correspondingly bound with a plurality of terminals of the circuit board.
Optionally, at least one pin definition of the chip is different from the original definition of the corresponding terminal.
Optionally, the memory stores at least one generation program, and the control unit is configured to execute the corresponding generation program according to the type of the printing apparatus.
In a third aspect, the embodiment of the present invention further provides a printing material container assembly, which includes the printing material container and the circuit device of the second aspect, wherein the printing material container is detachably connected to the circuit device.
According to the technical scheme of the embodiment of the utility model, the adopted circuit board comprises an original circuit board and an auxiliary part, the original circuit board comprises a plurality of terminals, and the terminals are used for contacting with a printing material container or a printing device; the auxiliary portion is disposed on the original circuit board for providing a conductive path and/or blocking a conductive path between the terminals. The original circuit board can be transformed according to the structure of the circuit board in the target series printing equipment, if the auxiliary part is prepared on the original circuit board, so that a conductive path exists between two terminals corresponding to the obtained new circuit board, and/or the conductive path between the two terminals corresponding to the new circuit board is blocked, and further the circuit board manufactured by utilizing the original circuit board can be identified by the target series printing equipment, namely, the cross-generation utilization of the original circuit board is completed, the recycling rate of the original circuit board is greatly improved, so that the cost of the circuit board in the printing equipment can be reduced, and further the cost of the printing equipment is reduced.
Drawings
Fig. 1 is a schematic structural diagram of a printing material container contact surface of a circuit board according to an embodiment of the present invention;
fig. 2 is a schematic diagram of a circuit structure in which a circuit board is electrically connected to a printing device and a chip according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a contact surface of a printing device of a circuit board according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a printing device contact surface of another circuit board according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a printing device contact surface of another circuit board according to an embodiment of the present invention;
fig. 6 is a schematic circuit structure diagram of a circuit device according to an embodiment of the present invention;
fig. 7 is a flowchart of a method for manufacturing a circuit board according to an embodiment of the present invention;
fig. 8 is a flowchart of a method for manufacturing a circuit device according to an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
Fig. 1 is a schematic structural diagram of a printing material container contact surface of a circuit board according to an embodiment of the present invention, referring to fig. 1, a circuit board 10 is configured to be mounted on a printing material container, the circuit board 10 includes an original circuit board 101 and an auxiliary portion 102, the original circuit board 101 includes a plurality of terminals 1011, and the terminals 1011 are configured to be in contact with the printing material container or a printing apparatus; the auxiliary portion 102 is disposed on the original circuit board 101 for providing a conductive path and/or blocking a conductive path between the terminals 1011; the circuit board is a multilayer circuit board.
Specifically, the printing apparatus may be, for example, an inkjet printer having a printing material container (ink cartridge) and a corresponding circuit board, the printing apparatus recognizing a remaining amount (remaining ink level) of the printing material in the printing material container through the circuit board; the printing device comprises a plurality of chip side terminals for contacting with corresponding terminals on the circuit board 10 to realize electrical connection, the ink box can comprise a sensor for detecting the residual ink level in the ink box, and the sensor comprises a chip side terminal for contacting with the corresponding terminals on the circuit board 10 to realize electrical connection; when the circuit board 10 is mounted on the cartridge, the chip-side terminals on the cartridge are electrically connected to the corresponding terminals on the circuit board 10; when the ink cartridge and the circuit board 10 are installed in the printing apparatus, the chip-side terminals on the printing apparatus contact corresponding terminals on the circuit board 10 to achieve electrical connection, so that a main controller in the printing apparatus can acquire information about the ink cartridge through the circuit board 10, such as a remaining ink level in the ink cartridge, so that the printing apparatus performs a corresponding operation according to the remaining ink level. The Circuit Board may be, for example, a Printed Circuit Board (PCB) which may be a single layer or a multi-layer structure, and the terminals on the PCB may be pads for example.
The connection relationship between terminals on a circuit board in the original series printing device may be different from the connection relationship between terminals on a circuit board in the target series printing device, for example, no conductive path exists between some two terminals on the original circuit board, and conductive paths need to exist on two corresponding terminals on the circuit board in the target series printing device, after the circuit board (original circuit board) in the original series printing device is recovered, the original circuit board can be reformed according to the structure of the circuit board in the target series printing device, for example, an auxiliary part is prepared on the original circuit board, so that a conductive path exists between two corresponding terminals of the obtained new circuit board, and the target series printing device can identify the circuit board manufactured by using the original circuit board; for example, a conductive path exists between two terminals on the original circuit board, and a conductive path cannot exist on two corresponding terminals on the circuit board in the target series printing equipment, the conductive path can be blocked by the auxiliary part, so that the target series printing equipment can identify the circuit board manufactured by using the original circuit board, the cross-generation utilization of the original circuit board is also completed, the recycling rate of the original circuit board is greatly improved, the cost of the circuit board in the printing equipment can be reduced, and the cost of the printing equipment is further reduced.
It should be noted that the original series printing apparatus may be an old series or a new series with respect to the target series printing apparatus, and the embodiment of the present invention is not particularly limited to this.
According to the technical scheme of the embodiment, the adopted circuit board comprises an original circuit board and an auxiliary part, wherein the original circuit board comprises a plurality of terminals, and the terminals are used for being in contact with the printing material container or being in contact with the printing equipment; the auxiliary portion is disposed on the original circuit board for providing a conductive path and/or blocking a conductive path between the terminals. The original circuit board can be transformed according to the structure of the circuit board in the target series printing equipment, if the auxiliary part is prepared on the original circuit board, so that a conductive path exists between two terminals corresponding to the obtained new circuit board, and/or the conductive path between the two terminals corresponding to the new circuit board is blocked, and further the circuit board manufactured by utilizing the original circuit board can be identified by the target series printing equipment, namely, the cross-generation utilization of the original circuit board is completed, the recycling rate of the original circuit board is greatly improved, so that the cost of the circuit board in the printing equipment can be reduced, and further the cost of the printing equipment is reduced.
Optionally, the auxiliary portion is used to provide a conductive path, and the auxiliary portion is resistive.
Specifically, in the original circuit board of the original series printing device, no conductive path exists between two terminals, and in the circuit board of the target series printing device, not only a conductive path exists between two corresponding terminals, but also a resistor is required between the two terminals to be recognized by the printing device, so that the auxiliary portion can be set to be resistive, so that the original circuit board can be applied to the target series printing device after the auxiliary portion is added.
Optionally, the secondary portion comprises carbon oil or a resistive discrete component.
Specifically, carbon oil and resistive discrete component all can make to form the electrically conductive route between two terminals that correspond, and when the auxiliary portion was used for providing electrically conductive route, the auxiliary portion preferred was carbon oil, and carbon oil has and coats easily on original circuit board, and thickness is less, and shared whole space is less, can not influence the whole shared space of circuit board, also can not make the circuit board size can't match with ink horn or printing apparatus because of taking place great change. Meanwhile, the resistance of the carbon oil can be controlled by controlling the size of the carbon oil, and then the resistance between corresponding terminals on the circuit board is controlled, so that the target series of printing equipment can identify the circuit board manufactured by using the original circuit board.
Optionally, the auxiliary portion is carbon oil, and the circuit board further includes an insulating film covering at least a part of the auxiliary portion.
Specifically, when the auxiliary portion adopts carbon oil, because carbon oil is thin, long-time use may be because wearing and tearing or water oxygen corruption etc. for there is the breakpoint between the carbon oil, may cause the electrically conductive path disconnection, and then makes corresponding printing apparatus unable discernment this circuit board. By providing an insulating film, the carbon oil can be completely covered with the insulating film, such as when the carbon oil serves only as a conductive path between the two terminals; when the carbon oil is used as a terminal (i.e., the carbon oil needs to be in contact with a corresponding chip side terminal on a printing material container or printing equipment to realize electrical connection), the insulating film can cover the part of the carbon oil except the terminal function, so that the carbon oil is prevented from being damaged due to abrasion, water and oxygen corrosion and the like, and the service life of the circuit board is greatly prolonged.
Alternatively, with continued reference to fig. 1, the original circuit board 101 includes a first sensor connection terminal a1 and a second sensor connection terminal a2, the first sensor connection terminal a1 and the second sensor connection terminal a2 for contacting the printing material container; the auxiliary portion includes a first auxiliary portion 1021, and the first auxiliary portion 1021 is connected to the first sensor connection terminal a1 and the second sensor connection terminal a2 for providing a conductive path between the first sensor connection terminal a1 and the second sensor connection terminal a 2.
Specifically, fig. 2 is a schematic diagram of a circuit structure of a circuit board electrically connected to a printing apparatus and a chip according to an embodiment of the present invention, and with reference to fig. 1 and fig. 2, a first sensor connection terminal a1 and a second sensor connection terminal a2 are used for connecting to a sensor, the printing apparatus includes an apparatus side circuit and a chip side terminal (to be described in detail below), an original circuit board 101 may be, for example, a circuit board of an original series printing apparatus, there may not be a conductive path between a first sensor connection terminal a1 and a second sensor connection terminal a2 on the original circuit board 101, and a conductive path is required between a first sensor connection terminal a1 and a second sensor connection terminal a2 corresponding to the circuit board of a target series printing apparatus, and then the first sensor connection terminal a1 and the second sensor connection terminal a2 may be conducted by providing a first auxiliary portion 1021, preferably, the resistance of the first auxiliary portion 1021 is matched with the resistance between corresponding terminals on the circuit board of the target series printing device, so that the original circuit board 101 can be compatible with the target series printing device after the first auxiliary portion 1021 is added, thereby completing the reuse of the original circuit board 101 and reducing the overall cost of the printing device. It should be noted that the embodiment of the present invention does not specifically limit the shape of the first auxiliary portion 1012, as long as the resistance of the first auxiliary portion 1012 can meet the requirement. The first auxiliary portion 1012 may completely cover or partially cover the first and second sensor connection terminals a1 and a2, so that the first auxiliary portion 1012 has a large contact area with the first and second sensor connection terminals a1 and a2, thereby improving contact performance and preventing poor contact.
Optionally, with continued reference to fig. 1, the original circuit board 101 further includes a limiting hole 1012 between the first sensor connection terminal a1 and the second sensor connection terminal a 2; the minimum distance between the edge of the first auxiliary part 1021 and the edge of the limiting hole 1012 is greater than or equal to a preset distance.
Specifically, the limiting hole 1012 may be used to fix the circuit board on the printing material container, the limiting hole 1012 may be circular, rectangular, or other polygonal shapes, and when the first auxiliary portion 1021 is provided, the minimum distance between the first auxiliary portion 1021 and the edge of the limiting hole 1012 may be set to be greater than or equal to a preset distance, so as to prevent the first auxiliary portion (carbon oil) 1021 and the limiting hole 1012 from being worn easily due to an excessively small distance therebetween, or the carbon oil is manufactured to an area where the limiting hole is located due to an excessively small distance therebetween when the first auxiliary portion 1021 is manufactured, thereby causing waste of the carbon oil.
Optionally, the secondary portion is used only to provide a conductive path.
Specifically, in the original circuit board of the original series printing apparatus, no conductive path exists between the two terminals, but in the original circuit board of the target series printing apparatus, a conductive path exists between the two terminals, and no resistance exists between the two terminals, and therefore, the auxiliary portion may be provided only for providing a conductive path, not being resistive, so that the original circuit board can be recognized by the target series printing apparatus after the auxiliary portion is added. It is understood that the non-resistance of the auxiliary portion does not mean that the resistance of the auxiliary portion is constant to zero, but the resistance of the auxiliary portion is small, and the voltage drop across the auxiliary portion is within the error range corresponding to the printing apparatus and can be recognized by the printing apparatus.
Optionally, fig. 3 is a schematic structural diagram of a printing device contact surface of a circuit board according to an embodiment of the present invention, which may correspond to the circuit board shown in fig. 1, and in conjunction with fig. 1 to 3, an original circuit board includes a first short circuit detection terminal B1 and a second short circuit detection terminal B4, and the first short circuit detection terminal B1 and the second short circuit detection terminal B4 are used for contacting with a printing device; the auxiliary part includes a second auxiliary part 1022, and the second auxiliary part 1022 is connected to the first short detection terminal B1 and the second short detection terminal B2, and provides a conductive path between the first short detection terminal B1 and the second short detection terminal B2.
Specifically, with reference to fig. 1 to 3, the original circuit board 101 may include a first short detection terminal B1, a ground terminal B2, a power supply terminal B3, a second short detection terminal B4, a first sensor drive terminal B5, a reset terminal B6, a clock terminal B7, a data terminal B8, and a second sensor drive terminal B9, wherein the first short detection terminal B1, the ground terminal B2, the power supply terminal B3, and the second short detection terminal B4 are located in an upper row, the first sensor drive terminal B5, the reset terminal B6, the clock terminal B7, the data terminal B8, and the second sensor drive terminal B9 are located in a lower row, and the printing apparatus includes an apparatus side circuit 401, and may specifically include a memory control circuit 4011, a short detection circuit 4012, and a sensor drive circuit 4013, which pass through corresponding chip side terminals (a first chip side terminal C1, a second chip side terminal C2, a third chip side terminal C3, and a second chip side terminal C3) respectively, Fourth chip side terminal C4, fifth chip side terminal C5, sixth chip side terminal C6, seventh chip side terminal C7, eighth chip side terminal C8 and ninth chip side terminal C9) are electrically connected to first short detection terminal B1, ground terminal B2, power terminal B3, second short detection terminal B4, first sensor drive terminal B5, reset terminal B6, clock terminal B7, data terminal B8 and second sensor drive terminal B9 in a one-to-one correspondence, ground terminal B2, power terminal B3, reset terminal B6, clock terminal B7 and data terminal B8 are connected to chip 101, a memory may be included in chip 101, ground terminal B2 is grounded by second chip side terminal C2 on the printing apparatus, memory control circuit 4011 transmits power signal, reset signal, clock signal RST signal VDD and data signal to chip 4012 through corresponding terminals, SDA detection terminal B4012 transmits short detection signal 4 to chip through first short detection terminal B1 and second short detection terminal B4 CO1 and CO2, the sensor driving circuit 4013 transmits driving signals (SP and SN) to the sensors through the first sensor driving terminal B5, the second sensor driving terminal B9, the first sensor connecting terminal a1 and the second sensor connecting terminal a2, in the circuit board of the original series printing apparatus, there may not be a conductive path between the first short detection terminal B1 and the second short detection terminal B4, and a conductive path is required between the first short detection terminal B1 and the second short detection terminal B4 corresponding to the printing apparatus of the target series, in this embodiment, by providing the second auxiliary portion 1022, the second auxiliary portion 1022 can provide a conductive path between the first short detection terminal B1 and the second short detection terminal B2, so that the original circuit board 101 can be applied to the printing apparatus of the target series, and the trans-generation utilization of the original circuit board is completed, the recovery rate of the original circuit board is greatly improved, so that the cost of the circuit board in the printing equipment can be reduced, and the cost of the printing equipment is further reduced. It should be noted that the second auxiliary part 1022 is preferably carbon oil, and the shape thereof is not particularly limited, so that the original circuit board 101 can be compatible with the target series printing apparatus after the second auxiliary part 1022 is added.
Alternatively, fig. 4 is a schematic structural diagram of a contact surface of a printing apparatus of another circuit board according to an embodiment of the present invention, and referring to fig. 4, unlike the circuit board shown in fig. 3, the original circuit board 101 in fig. 4 does not include a terminal (corresponding to the first short circuit detection terminal B1 and the second short circuit detection terminal B4 in fig. 3) for electrically connecting with a circuit detection circuit in the printing apparatus, the auxiliary portion 102 includes a third auxiliary portion 1023, and the third auxiliary portion 1023 includes a contact portion 1123 for electrically connecting with the short circuit detection circuit.
Specifically, in the circuit board of the original series printing apparatus, there may be no first short detection terminal and second short detection terminal, and in this embodiment, the apparatus side circuit of the target series printing apparatus includes a short detection circuit (shown in fig. 2), and if the circuit board of the original series printing apparatus (original circuit board) is directly applied to the printing apparatus of the target series, the printing apparatus of the target series will be abnormal because short detection cannot be performed, that is, the original circuit board is incompatible with the printing apparatus of the target series, and in this embodiment, the contact portion 1123 of the third auxiliary portion 1023 may be multiplexed into a terminal, that is, the contact portion 1123 on the third auxiliary portion 1023 is used to contact a terminal corresponding to the short detection circuit in the printing apparatus, so that the original circuit board 101 can be applied to the printing apparatus of the target series.
Optionally, fig. 5 is a schematic structural diagram of a printing device contact surface of another circuit board according to an embodiment of the present invention, and referring to fig. 5, the auxiliary portion 102 includes a groove for blocking a conductive path between terminals.
Specifically, a conductive path may exist between some terminals on the original circuit board, and a conductive path cannot exist between two terminals corresponding to the target series of printing devices, at this time, a groove may be provided between the two terminals, for example, a cutting groove (groove) is formed by cutting or the like, so as to break the conductive path between the two terminals, and thus the original circuit board can be applied to the target series of printing devices after the auxiliary portion is added. Preferably, the recess may be plural in number, thereby ensuring that the conductive path between two or more terminals which do not require a conductive path can be broken.
Alternatively, with continued reference to fig. 5, the original circuit board 101 includes a first short detection terminal B1, a ground terminal B2, and a second short detection terminal B4; the first short detection terminal B1, the ground terminal B2, and the second short detection terminal B4 are used to make contact with the printing apparatus; the first short detection terminal B1 is used for electrical connection with the chip; and a conductive path exists between the first short detection terminal B1 and the ground terminal B2 in the original circuit board 101; the auxiliary part 102 includes a groove 1024, and the groove 1024 is disposed on a conductive path between the first short detection terminal B1 and the ground terminal B2, for blocking the conductive path between the first short detection terminal B1 and the ground terminal B2.
Specifically, a conductive path 1013 exists between the first short detection terminal B1 and the ground terminal B2 on the original circuit board 101, so that the original circuit board 101 can be applied to the printing apparatuses of the original series, however, in the printing apparatuses of the target series, if a conductive path exists between the first short detection terminal B1 and the ground terminal B2, detection abnormality will be caused, and the original circuit board cannot be directly applied to the printing apparatuses of the target series.
Fig. 6 is a schematic circuit structure diagram of a circuit device provided by the embodiment of the present invention, referring to fig. 6, the circuit device includes the circuit board and the chip 201 provided by any embodiment of the present invention, including the control unit and the memory in the chip 201, a plurality of pins of the chip 201 correspond to a plurality of terminals of the circuit board and are bound.
Specifically, the chip 201 may include a memory for storing relevant parameters (such as a remaining ink level) in the sensor, which is described in this embodiment by taking the chip 201 located on the contact surface of the printing material container as an example, and in some other embodiments, the chip 201 may also be located on the contact surface of the printing apparatus, and therefore, the chip includes the circuit board provided in any embodiment of the present invention, and therefore, the same beneficial effects are also provided, and details are not repeated herein.
Optionally, the memory stores at least one generation program, and the control unit is configured to execute the corresponding generation program according to the type of the printing apparatus.
Specifically, the substitute program can be used for communicating with a main controller in the printing device, so that the main controller can read information stored in a memory, only the substitute program is stored in a memory of a circuit board corresponding to the existing printing device, when the original circuit board is applied to other series of printing devices, the problem of program incompatibility exists, and the printing device cannot identify the original circuit board.
Optionally, at least one pin definition of the chip is different from the original definition of the corresponding terminal.
Specifically, the type of the chip may be set according to the series of the printing apparatus, for example, if the terminal definition of the terminal on the circuit board required for the target series is different from the terminal definition of the corresponding terminal on the original circuit board, the type of the chip may be modified, for example, the definition of the corresponding pin of the chip may be modified; if the terminal on the original circuit board between the first short detection terminal and the power supply terminal is a ground terminal, that is, in the printing apparatus of the original series, the terminal corresponding to the ground terminal position is also a terminal for grounding, and in the printing apparatus of the target series, the terminal corresponding to the ground terminal position on the original circuit board is not a terminal for grounding but a terminal for transmitting a clock signal, the pin definition of the chip 201 may be modified, and the pins of the chip 201 and the corresponding ground terminal on the original circuit board are modified to pins for receiving the clock signal, so that both the original circuit board and the chip can be compatible with the printing apparatus of the target series.
The embodiment of the utility model provides a still provide a printing material container subassembly, printing material container subassembly including the printing material container with the utility model discloses arbitrary embodiment provides a circuit device, printing material container circuit device can dismantle the connection. Because it includes the circuit device that the utility model discloses arbitrary embodiment provided, consequently also have the same beneficial effect, no longer describe herein.
Fig. 7 is a flowchart of a method for manufacturing a circuit board according to an embodiment of the present invention, and referring to fig. 7, the method includes:
step S701, providing an original circuit board, wherein the original circuit board comprises a plurality of terminals, and the terminals are used for being in contact with a printing material container or a printing device;
step S702 is to prepare an auxiliary portion on the original circuit board, wherein the auxiliary portion is used for providing a conductive path and/or blocking a conductive path between terminals.
Specifically, original circuit board can be retrieved from original serial printing apparatus and is got, and the accessible makes the auxiliary part make original circuit board can use in the printing apparatus of target series on original circuit board, and its specific working process can refer to the utility model discloses embodiment is no longer repeated here about the description of circuit board part.
The preparation method of the circuit board provided by the embodiment can apply the original circuit board to the printing equipment of a target series, thereby improving the compatibility of the original circuit board and reducing the cost of the printing equipment.
Optionally, the preparing the auxiliary portion on the original circuit board includes: and coating carbon oil on the circuit board, wherein the carbon oil is used for providing a conductive path.
Specifically, the carbon oil is easily coated on the original circuit board, the thickness of the carbon oil is small, the occupied whole space is small, the occupied space of the circuit board is not affected, and the size of the circuit board cannot be matched with an ink box or printing equipment due to large change. Meanwhile, the resistance of the carbon oil can be controlled by controlling the size of the carbon oil, and then the resistance between corresponding terminals on the circuit board is controlled, so that the target series of printing equipment can identify the circuit board manufactured by using the original circuit board.
Optionally, the preparing the auxiliary portion on the original circuit board includes:
if the original circuit board comprises a first sensor connecting terminal and a second sensor connecting terminal, wherein the first sensor connecting terminal and the second sensor connecting terminal are used for being in contact with the printing material container; preparing a first auxiliary part on the original circuit board, wherein the first auxiliary part is connected with the first sensor connecting terminal and the second sensor connecting terminal and is used for providing a conductive path between the first sensor connecting terminal and the second sensor connecting terminal;
if the original circuit board comprises a first short-circuit detection terminal and a second short-circuit detection terminal, the first short-circuit detection terminal and the second short-circuit detection terminal are used for being in contact with printing equipment; preparing a second auxiliary part on the original circuit board, wherein the second auxiliary part is connected with the first short-circuit detection terminal and the second short-circuit detection terminal and is used for providing a conductive path between the first sensor connection terminal and the second sensor connection terminal;
if the printing apparatus includes a short detection circuit; the original circuit board does not include a terminal for electrical connection with the short detection circuit; a third auxiliary portion including a contact portion for electrical connection with the short detection circuit is prepared on the original circuit board.
Specifically, the corresponding auxiliary portion can be manufactured according to the type of the original circuit board, and the detailed principle thereof can refer to the description of the embodiment of the present invention about the circuit board portion, which is not repeated herein.
Optionally, the preparing the auxiliary portion on the original circuit board includes:
grooves are prepared on the original circuit board and used for cutting off conductive paths between the terminals.
For example, the corresponding conductive paths may be cut off by cutting or the like, and then the electrical connection between the corresponding terminals may be blocked, so that the original circuit board may be applied to a target series of printing apparatuses, and the compatibility of the original circuit board may be improved.
Optionally, if the original circuit board includes a first short detection terminal, a ground terminal, and a second short detection terminal; the first short circuit detection terminal, the grounding terminal and the second short circuit detection terminal are used for being in contact with the printing equipment; the first short circuit detection terminal is used for being electrically connected with the chip; and a conductive path exists between the first short circuit detection terminal and the grounding terminal in the original circuit board;
a groove is formed in the circuit board, and the groove is disposed between the first short detection terminal and the ground terminal and is used for blocking a conductive path between the first short detection terminal and the ground terminal.
Specifically, the corresponding auxiliary portion can be manufactured according to the type of the original circuit board, and the detailed principle thereof can refer to the description of the embodiment of the present invention about the circuit board portion, which is not repeated herein.
Fig. 8 is a flowchart of a method for manufacturing a circuit device according to an embodiment of the present invention, and referring to fig. 8, the method for manufacturing a circuit device is used to manufacture the circuit device according to any embodiment of the present invention, the method includes:
step S801, removing an original chip on an original circuit device to obtain an original circuit board;
step S802, binding the chip and the original circuit board.
Specifically, the original circuit device can be a circuit device on original series printing equipment, the original circuit device can be obtained through recycling, the original circuit device comprises an original circuit board and an original chip bound with the original circuit board, the original chip is possibly incompatible with the printing equipment of the target series, and the original chip can be removed and replaced by a chip compatible with the printing equipment of the target series, so that the obtained circuit device can be applied to the printing equipment of the target series.
The circuit device manufacturing method provided by the embodiment can apply the original circuit board to the target series of printing equipment, so that the cost of the circuit device required by the target series of printing equipment is reduced, and the overall cost of the printing equipment is further reduced.
It should be noted that the foregoing is only a preferred embodiment of the present invention and the technical principles applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.
Claims (16)
1. A circuit board for mounting on a printing material container, characterized in that the circuit board comprises an original circuit board and an auxiliary portion, the original circuit board comprising a plurality of terminals for contact with the printing material container or with a printing apparatus;
the auxiliary part is arranged on the original circuit board and is used for providing a conductive path and/or blocking the conductive path between the terminals;
the circuit board is a multilayer circuit board.
2. The circuit board of claim 1, wherein the auxiliary portion is configured to provide a conductive path and the auxiliary portion is resistive.
3. The circuit board of claim 2, wherein the secondary portion comprises carbon oil or a resistive discrete component.
4. The circuit board according to claim 3, wherein the auxiliary portion is carbon oil.
5. The circuit board according to claim 4, further comprising an insulating film covering at least a part of the auxiliary portion.
6. The circuit board according to claim 2, wherein the original circuit board includes a first sensor connection terminal and a second sensor connection terminal for contacting the printing material container;
the auxiliary portion includes a first auxiliary portion connected to the first sensor connection terminal and the second sensor connection terminal for providing a conductive path between the first sensor connection terminal and the second sensor connection terminal.
7. The circuit board of claim 6, wherein the original circuit board further comprises a limiting hole between the first sensor connection terminal and the second sensor connection terminal;
the minimum distance between the edge of the first auxiliary part and the edge of the limiting hole is greater than or equal to a preset distance.
8. The circuit board of claim 1, wherein the auxiliary portion is only for providing a conductive path.
9. The circuit board according to claim 8, wherein the original circuit board includes a first short detection terminal and a second short detection terminal for contacting the printing apparatus;
the auxiliary portion includes a second auxiliary portion connected to the first short detection terminal and the second short detection terminal for providing a conductive path between the first short detection terminal and the second short detection terminal.
10. The circuit board of claim 8, wherein the printing device comprises a short detection circuit;
the original circuit board does not include a terminal for electrical connection with the short detection circuit;
the auxiliary portion includes a third auxiliary portion including a contact portion for electrical connection with the short detection circuit.
11. The circuit board of claim 1, wherein the auxiliary portion includes a groove for blocking a conductive path between the terminals.
12. The circuit board of claim 11, wherein the original circuit board comprises a first short detection terminal, a ground terminal, and a second short detection terminal; the first short detection terminal, the ground terminal and the second short detection terminal are used for contacting with the printing equipment; the first short circuit detection terminal is used for being electrically connected with a chip; and a conductive path exists between the first short detection terminal and the ground terminal in the original circuit board;
the auxiliary portion includes the groove, and the groove is disposed on the conductive paths of the first short detection terminal and the ground terminal, and is configured to block the conductive path between the first short detection terminal and the ground terminal.
13. A circuit device comprising the circuit board and chip of any one of claims 1-12;
the chip comprises a control unit and a memory, and a plurality of pins of the chip are correspondingly bound with a plurality of terminals of the circuit board.
14. The circuit device of claim 13, wherein at least one pin definition of the chip is different from an original definition of the corresponding terminal.
15. The circuit device according to claim 13, wherein the memory has at least one generation program stored therein, and the control unit is configured to execute the corresponding generation program according to a type of the printing apparatus.
16. A printing material container assembly, comprising a printing material container and a circuit device according to any of claims 13-15, said printing material container being detachably connected to said circuit device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021474869.7U CN212386165U (en) | 2020-07-23 | 2020-07-23 | Circuit board, circuit device, and printing material container assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021474869.7U CN212386165U (en) | 2020-07-23 | 2020-07-23 | Circuit board, circuit device, and printing material container assembly |
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| Publication Number | Publication Date |
|---|---|
| CN212386165U true CN212386165U (en) | 2021-01-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021474869.7U Active CN212386165U (en) | 2020-07-23 | 2020-07-23 | Circuit board, circuit device, and printing material container assembly |
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| CN (1) | CN212386165U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022017092A1 (en) * | 2020-07-23 | 2022-01-27 | 杭州旗捷科技有限公司 | Circuit board and production method therefor, circuit device and production method therefor, and printing material container assembly |
-
2020
- 2020-07-23 CN CN202021474869.7U patent/CN212386165U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022017092A1 (en) * | 2020-07-23 | 2022-01-27 | 杭州旗捷科技有限公司 | Circuit board and production method therefor, circuit device and production method therefor, and printing material container assembly |
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