CN110303773B - Chip for printing equipment and ink box - Google Patents
Chip for printing equipment and ink box Download PDFInfo
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- CN110303773B CN110303773B CN201910732464.4A CN201910732464A CN110303773B CN 110303773 B CN110303773 B CN 110303773B CN 201910732464 A CN201910732464 A CN 201910732464A CN 110303773 B CN110303773 B CN 110303773B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/17—Ink jet characterised by ink handling
- B41J2/175—Ink supply systems ; Circuit parts therefor
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- Ink Jet (AREA)
Abstract
The application discloses a chip and an ink box for printing equipment, wherein the printing equipment comprises a contact pin, the chip comprises a body, and the body is provided with a component circuit, a detection module and a first terminal; the first terminals are connected with the component circuit through the detection module, one first terminal is used for being in contact with at least two contact pins, and the detection module is used for detecting whether the signals received from the first terminals are superposition of at least two signals. The utility model provides a components and parts circuit can be connected with two at least contact pilotage through first terminal, promptly, the components and parts circuit can receive the signal of telecommunication of two at least contact pilotage in the printing apparatus simultaneously through first terminal, superposes simultaneously to the components and parts circuit on being equivalent to the current signal of two contact pilotage inputes, promptly, the increase of the electric current that flows in the components and parts circuit for the enough drive components and parts circuit of electric current, and then make printing apparatus can normally work.
Description
Technical Field
The application relates to the technical field of printing, in particular to an ink box with a chip for a printing device.
Background
At present in modern life work, the printer provides very big convenience for people, and ink jet printer and laser printer are printing device commonly used, and printing device prints on print media like the paper through installing the consumptive material box wherein. When the consumables in the consumables box are used up, the consumables box needs to be replaced to continue printing. Because the printing device is generally provided with a plurality of ink boxes with different colors, the consumable use speed of each ink box is different, so that a chip is usually installed on each ink box for storing the consumable quantity of each ink box in order to monitor the consumable quantity of each ink box and replace the ink box in time.
The chip among the prior art can install in the outer wall of consumptive material box, however, generally only supplies power for the internal circuit of chip through the VCC terminal in the chip now, and when the required drive current of components and parts in the circuit was great, the current that only provides through the VCC terminal probably can't drive internal circuit to lead to printing apparatus unable normal work.
Disclosure of Invention
In order to overcome the problems of the prior art described above, a primary object of the present application is to provide a chip for a printing apparatus that enables an internal circuit to obtain a sufficiently large current.
In order to achieve the above purpose, the following technical solutions are specifically adopted in the present application:
the application provides a chip for printing equipment, the printing equipment comprises a contact pin, the chip comprises a body, and the body is provided with a component circuit, a detection module and a first terminal; the first terminals are connected with the component circuit through the detection module, and one first terminal is used for being in contact with at least two contact pins; wherein the detection module is configured to detect whether the signal received from the first terminal is a superposition of at least two signals.
Preferably, the chip further comprises a storage unit, and the first terminal is connected with at least one port of the storage unit through the detection module.
Preferably, the detection module is a voltage detection module, and the voltage detection module is configured to detect the number of voltage signals input by the first terminal.
Preferably, the voltage detection module comprises a first resistor, a second resistor, a voltage stabilizing circuit and a comparator; one end of the first resistor is connected with the first terminal, and the other end of the first resistor is connected with one end of the second resistor and the non-inverting input end of the comparator; one end of the voltage stabilizing circuit is connected with the first terminal, and the other end of the voltage stabilizing circuit is connected with the inverting input end of the comparator.
The first voltage received by the first terminal is divided by the first resistor and the second resistor to obtain a second voltage, and the second voltage is input to the non-inverting input end of the comparator; the first voltage received by the first terminal is subjected to voltage stabilizing circuit to obtain a predetermined voltage, and the predetermined voltage is input to the inverting input end of the comparator; the comparator is used for comparing the voltage input by the non-inverting input end and the inverting input end and outputting a specific signal at the output end according to the comparison result.
Preferably, the output terminal of the comparator is connected to the component circuit and at least one port of the storage unit, except for the VCC port, and the component circuit and the at least one port of the storage unit, except for the VCC port, determine whether to be turned on according to a specific signal output by the output terminal of the comparator; the VCC port of the memory cell is directly connected to the first terminal and receives a first voltage.
Preferably, the chip further includes a switch circuit, one end of the switch circuit is connected to the output end of the comparator to receive the specific signal, and the other end of the switch circuit is connected to the component circuit, the VCC port of the storage unit, and at least one port other than the VCC port; the switching circuit determines whether to be turned on according to the specific signal.
Preferably, the detection module is a current detection module, one end of the current detection module is connected with the first terminal to receive a current signal, the other end of the current detection module is connected with the component circuit and at least one port of the storage unit except the VCC port, and the current detection module is determined to be turned on or not according to the current signal, and the VCC port of the storage unit is connected with the first terminal.
Preferably, at least one port of the storage unit other than the VCC port includes an RST port.
Preferably, the chip further comprises a plurality of second terminals, at least a part of the second terminals are connected with the ports of the storage unit, and the second terminals are in one-to-one correspondence contact with the contact pins of the printing device.
Correspondingly, this application still provides an ink horn, and this ink horn includes box body and foretell chip, the chip set up in the surface of box body.
The chip of this application is provided with components and parts circuit, detection module and first terminal on the body, and first terminal links to each other with components and parts circuit through detection module to a first terminal is used for linking to each other with two at least contact pins, and detection module is used for detecting whether the signal of receiving is the stack of two at least signals from first terminal department. Compare in prior art, the components and parts circuit of this application can be connected with two at least contact pilotage through first terminal, promptly, the components and parts circuit can receive the signal of telecommunication of two at least contact pilotage in the printing apparatus simultaneously through first terminal, on being equivalent to the current signal of two contact pilotage inputs superposes simultaneously to the components and parts circuit, promptly, the current increase of inflow components and parts circuit for enough drive components and parts circuit of electric current, and then make printing apparatus can normally work.
Drawings
Fig. 1 is a structural diagram of a chip according to an embodiment of the present application.
Fig. 2 is an internal circuit diagram of a chip according to an embodiment of the present application.
Fig. 3 is a circuit diagram of the chip when the detection module is a voltage detection module.
Fig. 4 is a specific circuit diagram of the voltage detection module.
Fig. 5 is a circuit diagram of an internal chip according to another embodiment of the present application.
Fig. 6 is a circuit diagram of an internal chip according to another embodiment of the present application.
1-chip;
100 connecting parts;
10. a body;
11-a storage unit;
12-a component circuit;
13-a detection module;
131-a voltage detection module;
132-a current detection module;
132 a-current control circuit;
14-a first terminal;
15-a second terminal;
16-switching circuit.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
In the description of the present application, unless explicitly stated or limited otherwise, the terms "first", "second", and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the term "plurality" means two or more unless specified or indicated otherwise; the terms "connected," "fixed," and the like are to be construed broadly and may, for example, be fixedly connected, detachably connected, integrally connected, or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
As shown in fig. 1 to 4, the embodiment of the present application discloses a chip 1 for a printing apparatus, the printing apparatus includes a plurality of contact pins, the chip 1 includes a body 10, and a storage unit 11, a component circuit 12, a detection module 13, a first terminal 14 and a second terminal 15 are disposed on the body 10. When the chip 1 is mounted in the printing apparatus, the first terminal 14 is connected to the component circuit 12 via the detection module 13, while the first terminal 14 is connected to at least one port of the storage unit 11 via the detection module 13, and at least a part of the second terminal 15 is connected to a port of the storage unit 11. In mounting use, the second terminals 15 are used for one-to-one connection with contact pins, i.e., one second terminal 15 contacts one contact pin to form one contact portion. One first terminal 14 is used to make contact with at least two contact pins to form at least two contact portions, and at least two contact pins connected to the first terminal 14 include power contact pins therein. In operation, the first terminal 14 transmits a signal received from a contact pin of the printing apparatus to the detection module 13, the detection module 13 detects whether the received signal is a superposition of two signals, and if at least two electrical signals are detected, the detection module 13 outputs an electrical signal indicating "yes", so that the component circuit 12 can be driven to operate.
The chip 1 of this application owing to be provided with first terminal 14, can be connected with two at least contact pins through first terminal 14, promptly, can receive the electric signal of two at least contact pins in the printing apparatus simultaneously through first terminal 14, be equivalent to the current signal of two contact pin inputs superpose simultaneously to components and parts circuit 12 on, promptly, the current increase of flow in components and parts circuit 12 for the sufficient drive components and parts circuit 12 of electric current, and then make printing apparatus can normally work.
Specifically, the component circuit 12 is provided in plurality, wherein a part of the component circuit 12 is connected to the second terminal 15, and a part of the component circuit 12 is connected to the memory cell 11. The second terminals 15 are provided in plurality, the outer surface of each second terminal 15 is provided with one connecting portion 100, the outer surface of each first terminal 14 is provided with at least one connecting portion 100, and the outer surface of each first terminal 14 is provided with at least two connecting portions 100, so that the connecting portions 100 are in contact with contact pins to form contact portions, thereby realizing the electrical connection between the second terminals 15 and the first terminals 14.
The storage unit 11 has a plurality of ports, wherein a part of the ports are used for connecting with the first terminals 14, and a part of the ports are used for connecting with the second terminals 15, so as to realize the electrical connection between the storage unit 11 and the printing device, and further receive the electrical signals sent by the printing device. In the present embodiment, the ports of the memory cell 11 include a VCC port, a CLK port, a RST port, an SDK port, and a GND port. The VCC port is used to provide power to the memory cell 11, the CLK port is used to provide a clock reference to the memory cell 11, the RST port is used to provide a reset signal to the memory cell 11 to clear some flags in the memory cell 11, the SDK port is used to receive and transmit data from the memory cell 11, and the GND port is used to provide a ground reference to the memory cell 11.
Since the memory unit 11 needs to obtain separate electrical signals from each port to normally operate, in order to enable the memory unit 11 to normally operate, the first terminal 14 is connected to any other port of the memory unit 11 except the VCC port through the detection module 13, the VCC port of the memory unit 11 is directly connected to the first terminal 14, and the detection module 13 detects the received electrical signals and provides correct level signals to the memory unit 11. Specifically, the detection module 13 detects whether the received signal is a superposition of at least two signals, and if at least two electrical signals are detected, the detection module 13 outputs an electrical signal indicating "yes" and provides the electrical signal to the storage unit 11 to drive the storage unit 11 to operate; if only one electrical signal is detected, the detection module 13 outputs an electrical signal indicating "no" and supplies only the electrical signal to the storage unit 11, and the storage unit 11 does not operate.
This application not only can control whether components and parts circuit 12 drives through detection module 13's setting, can also control memory cell 11 and normally work.
In the present embodiment, the detection module 13 is configured as a voltage detection module 131, and specifically, the voltage detection module 131 includes a first resistor R1, a second resistor R2, a voltage regulator circuit and a comparator C1, where the voltage regulator circuit includes a third resistor R3 and a zener diode D1; the first terminal 14 is connected via a first resistor R1 to the non-inverting input of a comparator C1, while the first terminal 14 is connected via a third resistor R3 to the inverting input of the comparator C1. The second resistor R2 is connected to the non-inverting input of the comparator C1, and the zener diode D1 is connected to the inverting input of the comparator C1. The output terminal of the comparator C1 is connected to the RST port of the component circuit 12 and the memory cell 11, and the VCC port of the memory cell 11 is directly connected to the first terminal 14.
When the first terminal 14 of the chip is simultaneously in contact with the power contact pin and the reset contact pin of the printing apparatus, the SP1 port of the chip 1 receives the first voltage and directly provides the VCC port of the storage unit 11 with the power signal, and the first voltage is simultaneously input to the voltage detection module 131, in the voltage detection module 131, the first voltage is divided by the first resistor R1 and the second resistor R2 to obtain the second voltage and input to the "+" input terminal of the comparator C1, and the voltage stabilizing circuit stabilizes the first voltage to a predetermined voltage and inputs the predetermined voltage to the "-" input terminal of the comparator C1. If the second voltage is higher than the predetermined voltage, it indicates that the power supply contact pin and the reset contact pin of the printing apparatus are both electrically connected, the output terminal Vout of the comparator C1 outputs a high level, the RST port of the memory cell 11 receives the reset signal, and at the same time, the component circuit 12 is driven and the RST port of the memory cell 11 also receives the reset signal. If the second voltage is lower than the predetermined voltage, it indicates that the power supply pin of the printing apparatus has an electrical signal input and the reset pin has no electrical signal input, the output terminal Vout of the comparator C1 outputs a low level, the RST port of the memory cell 11 cannot receive the reset signal, and the component circuit 12 cannot be driven.
On the basis of the foregoing embodiment, as shown in fig. 5, in this embodiment, the chip 1 further includes a switch circuit 16, the voltage detection module 131 includes a first resistor R1, a second resistor R2, a voltage regulator circuit and a comparator C1, the voltage regulator circuit includes a third resistor R3 and a zener diode D1, the first terminal 14 is connected to the non-inverting input terminal of the comparator C1 through a first resistor R1, and the first terminal 14 is connected to the inverting input terminal of the comparator C1 through a third resistor R3; the second resistor R2 is connected to the non-inverting input of the comparator C1, and the zener diode D1 is connected to the inverting input of the comparator C1. The output terminal of the comparator C1 is connected to the component circuit 12, the VCC port of the storage unit 11, and the RST port of the storage unit 11 through the switch circuit 16.
When the first terminal 14 of the chip 1 is simultaneously in contact with the power contact pin and the reset contact pin of the printing apparatus, the SP1 port of the chip 1 receives the first voltage and inputs the first voltage to the voltage detection module 131, in the voltage detection module 131, the first voltage is divided by the first resistor R1 and the second resistor R2 to obtain the second voltage and input the second voltage to the "+" input terminal of the comparator C1, and the voltage regulator circuit regulates the first voltage to a predetermined voltage and inputs the first voltage to the "-" input terminal of the comparator C1. If the second voltage is greater than the predetermined voltage, it indicates that the power contact pin and the reset contact pin of the printing apparatus both have electrical signals input, the output terminal Vout of the comparator C1 outputs a high level, and when the switching circuit 16 receives the high level, the circuits between the switching circuit 16 and the component circuit 12, the VCC port and the RST port of the storage unit 11 are turned on, the VCC port of the storage unit 11 receives the power signal and the RST port receives the reset signal, and at the same time, the component circuit 12 is also driven. If the second voltage is less than the predetermined voltage, it indicates that there is an electrical signal input to the power contact pin of the printing apparatus and there is no electrical signal input to the reset contact pin, the output terminal Vout of the comparator C1 outputs a low level, when the switching circuit 16 receives the low level, the circuit between the switching circuit 16 and the VCC port is turned on, and the VCC port of the storage unit 11 receives the power signal, but the circuit between the switching circuit 16 and the RST port of the storage unit 11 is not turned on, so the component circuit 12 cannot be driven and the RST port of the storage unit 11 has no input.
Further, in the present embodiment, the first voltage is regulated to a predetermined voltage of 1.5V by a voltage regulator circuit, when electrical signals are input to both the power contact pin and the reset contact pin of the printing apparatus, the first voltage is 3.3V, and at this time, the second voltage is 1.65V, which is greater than 1.5V of the predetermined voltage, and the output terminal Vout of the comparator C1 outputs a high level; when the power contact pin of the printing device has an electrical signal input and the reset contact pin has no electrical signal input, the first voltage is 2.9V, the second voltage is 1.45V which is less than 1.5V of the predetermined voltage, and the output terminal Vout of the comparator C1 outputs a low level.
On the basis of the foregoing embodiment, as shown in fig. 6, in this embodiment, the detection module 13 is configured as a current detection module 132, the current detection module 132 includes a current control circuit 132a, the first terminal 14 is connected to the RST port of the component circuit 12 and the storage unit 11 through the current control circuit 132a, the VCC port of the storage unit 11 is connected to the first terminal 14, and the current control circuit 132a is configured to be turned on when the current is greater than a predetermined current, and is turned off otherwise.
When the first terminal 14 of the chip 1 is simultaneously in contact with the power contact pin and the reset contact pin of the printing apparatus, the current detection module 132 receives a current I1Current I of1The power supply signal is supplied directly to the VCC port of the memory cell 11, and at the same time, the current I1Also directly input into the current control circuit 132a if the current I1If the current is larger than the preset current, the power contact pin and the reset contact pin of the printing equipment are both provided with electric signal input, the current control circuit 132a is conducted, the component circuit 12 is driven, and a reset signal is provided for the RST port of the storage unit 11; if the current I is1When the current is less than the predetermined current, it indicates that the electric signal is input to the power supply contact pin on the printing apparatus side and no electric signal is input to the reset contact pin, and the current control circuit 132a is turned off, so that the component circuit 12 cannot be driven at this time and no input is made to the RST port of the memory cell 11.
Correspondingly, the application also discloses an ink box which comprises the chip and the box body. When the ink box is installed in a printing device, each first terminal and each second terminal of the chip on the ink box are respectively contacted with the corresponding contact pins to form contact parts, one first terminal is connected with at least two contact pins to form two contact parts, and one second terminal is connected with one contact pin to form one contact part.
The above description is only for the preferred embodiment of the present application, but the scope of the present application is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present application should be covered within the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (10)
1. A chip for a printing device comprising a stylus, characterized in that it comprises:
the device comprises a body, a detection module and a control unit, wherein the body is provided with a storage unit, a component circuit, the detection module and a first terminal;
the first terminals are connected with the component circuit through the detection module, and one first terminal is used for being in contact with at least two contact pins;
the detection module is used for detecting whether the signal received from the first terminal is the superposition of at least two signals or not and determining whether to conduct the corresponding port of the storage unit or the component circuit or not according to the detection result of the detection module.
2. The chip of claim 1, wherein the first terminal is connected to at least one port of the memory unit via the detection module.
3. The chip of claim 2, wherein the detection module is a voltage detection module, and the voltage detection module is configured to detect the number of voltage signals input by the first terminal.
4. The chip of claim 3, wherein the voltage detection module comprises a first resistor, a second resistor, a voltage regulator circuit, and a comparator;
one end of the first resistor is connected with the first terminal, and the other end of the first resistor is connected with one end of the second resistor and the non-inverting input end of the comparator;
one end of the voltage stabilizing circuit is connected with the first terminal, and the other end of the voltage stabilizing circuit is connected with the inverting input end of the comparator;
the first voltage received by the first terminal is divided by the first resistor and the second resistor to obtain a second voltage, and the second voltage is input to the non-inverting input end of the comparator; the first voltage received by the first terminal is subjected to voltage stabilizing circuit to obtain a predetermined voltage, and the predetermined voltage is input to the inverting input end of the comparator;
the comparator is used for comparing the voltage input by the non-inverting input end and the inverting input end and outputting a specific signal at the output end according to the comparison result.
5. The chip according to claim 4, wherein the output terminal of the comparator is connected to at least one of the component circuit and the memory unit except for the VCC port, and the at least one of the component circuit and the memory unit except for the VCC port determines whether to turn on according to a specific signal output by the output terminal of the comparator;
the VCC port of the memory cell is directly connected to the first terminal and receives a first voltage.
6. The chip of claim 4, further comprising a switch circuit, wherein one end of the switch circuit is connected to the output terminal of the comparator to receive the specific signal, and the other end of the switch circuit is connected to the component circuit, the VCC port of the storage unit, and at least one port other than the VCC port, and the switch circuit determines whether to turn on according to the specific signal.
7. The chip according to claim 2, wherein the detection module is a current detection module, one end of the current detection module is connected to the first terminal to receive a current signal, and the other end of the current detection module is connected to the component circuit and at least one port of the memory unit other than the VCC port, and determines whether to turn on the memory unit according to the current signal.
8. The chip according to any one of claims 5 to 7, wherein at least one port of the storage unit other than the VCC port comprises a RST port.
9. The chip of claim 8, further comprising a plurality of second terminals, at least some of the second terminals being connected to ports of the memory cells, and the second terminals being in one-to-one contact with contact pins of the printing device.
10. An ink cartridge comprising a cartridge body and a chip according to any one of claims 1 to 9, said chip being disposed on an outer surface of said cartridge body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910732464.4A CN110303773B (en) | 2019-08-09 | 2019-08-09 | Chip for printing equipment and ink box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910732464.4A CN110303773B (en) | 2019-08-09 | 2019-08-09 | Chip for printing equipment and ink box |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110303773A CN110303773A (en) | 2019-10-08 |
| CN110303773B true CN110303773B (en) | 2020-11-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910732464.4A Active CN110303773B (en) | 2019-08-09 | 2019-08-09 | Chip for printing equipment and ink box |
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Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006025575A1 (en) * | 2004-09-01 | 2006-03-09 | Seiko Epson Corporation | Printer |
| CN203864177U (en) * | 2014-03-26 | 2014-10-08 | 珠海艾派克微电子有限公司 | Chip, ink box and recorder |
| CN104139525A (en) * | 2014-07-08 | 2014-11-12 | 燕山大学 | 3D printer power-off protection system and implementation method thereof |
| CN204123810U (en) * | 2014-09-29 | 2015-01-28 | 珠海艾派克微电子有限公司 | A kind of chip, imaging cartridge and imaging device |
| EP3187338A1 (en) * | 2015-10-19 | 2017-07-05 | Peco Print GmbH | Printing material container and board |
| CN105391300A (en) * | 2015-12-05 | 2016-03-09 | 青岛盛嘉信息科技有限公司 | Switch circuit for radio-frequency circuit |
| CN206983526U (en) * | 2017-05-19 | 2018-02-09 | 珠海纳思达企业管理有限公司 | Print cartridge and printing equipment |
| CN208993299U (en) * | 2018-09-21 | 2019-06-18 | 珠海艾派克微电子有限公司 | Recording device |
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2019
- 2019-08-09 CN CN201910732464.4A patent/CN110303773B/en active Active
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Address after: 519075 1st, 3rd, 4th, 5th, 6th, 7th and 8th floors, building 01, No. 83, Guangwan street, Xiangzhou District, Zhuhai City, Guangdong Province Patentee after: Jihai Microelectronics Co.,Ltd. Address before: 519075 1st, 3rd, 4th, 5th, 6th, 7th and 8th floors, building 01, No. 83, Guangwan street, Xiangzhou District, Zhuhai City, Guangdong Province Patentee before: APEX MICROELECTRONICS Co.,Ltd. |