CN203410167U - Chip of ink jet printer cartridge - Google Patents
Chip of ink jet printer cartridge Download PDFInfo
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- CN203410167U CN203410167U CN201320438656.2U CN201320438656U CN203410167U CN 203410167 U CN203410167 U CN 203410167U CN 201320438656 U CN201320438656 U CN 201320438656U CN 203410167 U CN203410167 U CN 203410167U
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Abstract
The utility model discloses a chip of an ink jet printer cartridge. The chip includes a low-voltage voltage-stabilized power source, an oscillator, a resistance-capacitance network and a nonlinear module; the chip is connected with a printer through a communication port P1 and a communication port P2; and the low-voltage voltage-stabilized power source can provide a stabilized voltage source. The chip can generate specific resonant frequency characteristics and charge/discharge characteristics matched with the printer according to excitation signals of the printer, such that the printer can work normally; and further, an integrated circuit is adopted, so peripheral devices can be decreased, and the area of the chip can be reduced, and cost can be reduced.
Description
Technical field
The utility model relates to a kind of consumable chip of printer.
Background technology
Current universal along with office automatic, printer has become a requisite part in modern office.Printer is mainly divided into impact printer, laser printer, ink-jet printer.Wherein impact printer because noise is large, low quality, low velocity eliminated gradually, laser printer has that print quality is high, speed advantages of higher, but because the reasons such as price is high, use cost is high impel a lot of office users to buy ink-jet printer.Ink-jet printer due to its outstanding printing effect, advantage become many users' such as cheap, paper process ability is strong first-selection.
In ink-jet printer, a type information part is stored in printer, and another part is stored in the chip of print cartridge.In prior art, ink-jet manufacturer, for print cartridge ink inside surplus is measured, is provided with piezoelectric transducer circuit in print cartridge, and wherein piezoelectric transducer is comprised of with the piezoelectric ceramics that sticks in print cartridge the cavity of print cartridge.When need to detect in print cartridge ink surplus time, ink-jet printer sends high-tension current pulse signal to the piezoelectric transducer in print cartridge, this high-voltage dc pulse signal makes piezoelectric ceramics generation mechanical deformation in sensor circuit.Piezoelectric ceramics vibration forms the resonance specific resonant frequency of generation and charges and discharge resistance characteristic with the black water and air of print cartridge inside.Resonant frequency and discharge and recharge resistance characteristic and represent the ink information in print cartridge, printer is according to different resonant frequencies and discharge and recharge resistance characteristic and determine current ink surplus, timely reminding user to replace print cartridge when black quantity not sufficient.
Inkjet printing manufacturer is in order to realize the monopolization that print cartridge is sold, utilized the particular resonant frequency of piezoelectric transducer in print cartridge and discharged and recharged resistance characteristic, the special-purpose print cartridge that just must select ink-jet printer manufacturer to provide while causing user to change ink-cases of printers, this brings inconvenience to user.These print cartridges that use also cannot be recycled, and have caused the wasting of resources, environmental pollution.
For breaking the monopolization of inkjet printing manufacturer, some print cartridge manufacturers have released compatible print cartridge at present.Wherein most of compatible print cartridge product produces the circuit be matched with the response characteristic that ink-jet printer sets and carrys out instead of piezoelectric sensors circuit by simulating.These print cartridges are because form hardware circuit by peripheral separating component, so increased the unstability of compatible print cartridge performance.
In addition, during ink surplus in detecting print cartridge, inkjet printing chance sends a high voltage signal that is greater than 30V to ink box chip.The voltage can bear due to exciter response analog circuit is 5V.Instant high-voltage may cause circuit to burn out, and the fluctuation of voltage also can cause the unstability of circuit.
Utility model content
The utility model has overcome deficiency of the prior art, and a kind of ink-jet printer cartridge chip is provided, and this chip price is cheap, be applicable to original-pack printer.
A kind of ink-jet printer cartridge chip, this chip comprises low-voltage regulated power supply, oscillator, resistance-capacitance network, nonlinear block, wherein, described low-voltage regulated power supply connects two PORT COM P1 and the P2 of printer, and printer high-voltage dc pulse signal HVDD is transformed into low-voltage dc voltage VDD output; Described oscillator connects low-voltage regulated power supply and resistance-capacitance network, and low-voltage regulated power supply provides voltage for it; Described resistance-capacitance network connection oscillator, PORT COM P1, PORT COM P2, oscillator output rectilinear oscillation signal is as its input signal; Described nonlinear block connecting communication port P1, PORT COM P2.
Described low-voltage regulated power supply comprises one-way conduction unit, one-way conduction unit, capacitor C 1, resistance R 1, R2, current source I, Zener diode Dz, Zener diode D1, triode VT1, N-type metal semiconductor field effect transis N-FET, wherein said one-way conduction unit, one-way conduction unit connect respectively PORT COM P1 and the P2 of printer, receive printer high-voltage dc pulse signal.
Described low-voltage regulated power supply comprises one-way conduction unit, one-way conduction unit, capacitor C 1, resistance R 1, R2, Zener diode Dz, Zener diode D1, triode VT1, N-type metal semiconductor field effect transis N-FET, wherein said one-way conduction unit, one-way conduction unit connect respectively PORT COM P1 and the P2 of printer, receive printer high-voltage dc pulse signal.
Described current source I is biasing circuit source or mirror current source, and wherein the value of current source I is 10uA ~ 10mA.
The output signal HVDD of described one-way conduction unit and one-way conduction unit is connected respectively to capacitor C 1 and current source I, described capacity earth; Described current source I obtains signal Vreg after via resistance R 1 and R2 dividing potential drop, Zener diode Dz voltage stabilizing; Described signal Vreg is linked into the grid of N-type metal semiconductor field effect transis N-FET and the negative pole of diode D1, base stage and the colelctor electrode of the anodal connecting triode VT1 of described diode D1, the emitter stage of described triode VT1 connects the source electrode of N-type metal semiconductor field effect transis N-FET, the drain electrode of N-type metal semiconductor field effect transis N-FET meets supply voltage VDDA, the source electrode of N-type metal semiconductor field effect transis N-FET is connected to capacitor C 2 and output low-voltage dc voltage VDD, described capacitor C 2 ground connection.
The output signal HVDD of described one-way conduction unit and one-way conduction unit is connected respectively to capacitor C 1 and resistance R 1, described capacity earth; Described output signal HVDD obtains signal Vreg after by resistance R 1 and R2 dividing potential drop, Zener diode Dz voltage stabilizing; Described signal Vreg is linked into the grid of N-type metal semiconductor field effect transis N-FET and the negative pole of diode D1, base stage and the colelctor electrode of the anodal connecting triode VT1 of described diode D1, the emitter stage of described triode VT1 connects the source electrode of N-type metal semiconductor field effect transis N-FET, the drain electrode of N-type metal semiconductor field effect transis N-FET meets supply voltage VDDA, the source electrode of N-type metal semiconductor field effect transis N-FET is connected to capacitor C 2 and output low-voltage dc voltage VDD, described capacitor C 2 ground connection.
Described one-way conduction unit and described one-way conduction unit comprise transistor or diode.The P type substrate ground connection of described N-type metal semiconductor field effect transis N-FET.Described oscillator is programmable oscillator.
Compared with prior art, the beneficial effects of the utility model are: stable low-voltage dc voltage can be provided, guarantee the normal steady operation of sensor chip of ink-jet printer cartridge.The utility model adopts integrated circuit, is conducive to reduce circuit area, cost-saving.
Accompanying drawing explanation
Fig. 1 is existing chip and printer communication schematic diagram.
Chip and printer communication schematic diagram that Fig. 2 provides for the utility model.
The chip internal information exchange figure that Fig. 3 provides for the utility model.
A kind of low-voltage regulated power supply circuit diagram that Fig. 4 provides for the utility model.
Another low-voltage regulated power supply circuit diagram that Fig. 5 provides for the utility model.
The specific embodiment
Below in conjunction with the accompanying drawing in the utility model, the technical scheme in the utility model embodiment is carried out to clear, complete statement.
As the annexation of the sensor circuit of existing ink-jet printer cartridge and printer as shown in Figure 1, sensor when need to detect in print cartridge ink surplus time, ink-jet printer sends high-tension current pulse signal to the piezoelectric transducer in print cartridge, and this high-voltage dc pulse signal makes piezoelectric ceramics generation mechanical deformation in sensor circuit.Piezoelectric ceramics vibration forms the resonance specific resonant frequency of generation and charges and discharge resistance characteristic with the black water and air of print cartridge inside.Printer is according to different resonant frequencies and discharge and recharge resistance characteristic and determine current ink surplus, timely reminding user to replace print cartridge when black quantity not sufficient.
In the utility model, disclose a kind of ink-jet printer China ink chip, its internal structure as shown in Figure 2, comprises low-voltage regulated power supply 24, oscillator 25, resistance-capacitance network 27, nonlinear block 26.This chip can simulate the particular resonant frequency of sensor circuit and discharge and recharge impedance operator, realizes with printer communication and transmits the signal needing.
Be illustrated in figure 3 printer simulation of response chip internal information exchange figure, wherein two PORT COM P1 are connected printer with P2, for transmitting the high-voltage dc pulse signal of printer transmission and transmitting the signal that printer simulation of response chip produces.High-voltage dc pulse signal is through one-way conduction unit 1(31), one-way conduction unit 2(32) after obtain signal HVDD.Owing to not providing stable voltage at printer, so in printer simulation of response chip, emphasis is partly low-voltage regulated power supply, when signal obtains low-voltage signal VDD after low-voltage regulated power supply 33.Low-voltage signal VDD is to oscillator 25 power supplies, and oscillator 33 produces square-wave signal and flows to resistance-capacitance network 27.Resistance-capacitance network 27 and nonlinear block 26 are modeled to by square-wave signal the signal needing and pass to printer by P1, P2.
If Fig. 4 is a kind of low-voltage regulated power supply circuit diagram that the utility model provides, it is the core of the utility model chip.Wherein low-voltage regulated power supply comprises one-way conduction unit 1, one-way conduction unit 2, capacitor C 1, resistance R 1, R2, current source I, Zener diode Dz, Zener diode D1, triode VT1, N-type metal semiconductor field effect transis N-FET, wherein said one-way conduction unit 1, one-way conduction unit 2 connect respectively PORT COM P1 and the P2 of printer, receive printer high-voltage dc pulse signal.
This one-way conduction unit 1 and one-way conduction unit 2 have one-way conduction characteristic, can be comprised of diode, NPN type triode or positive-negative-positive triode.Printer connects one-way conduction unit 1 by port P1, by port P2, connects one-way conduction unit 2.When printer sends high-voltage dc pulse, by one-way conduction unit 2, be transferred to capacitor C 1, after capacitor C 1 is charged, obtain voltage signal HVDD.
As voltage signal HVDD in Fig. 4 obtains stable voltage signal Vreg through constant current source I after to Zener diode Dz power supply and resistance R 1, resistance R 2 dividing potential drops.
The effect of resistance R 2 is to produce a voltage signal higher than Dz voltage of voltage regulation.Current source I can be biasing circuit source or mirror current source, its electric current I
1be 10 uA ~ 10mA.Wherein the voltage of Zener diode Dz is Vdz, voltage signal Vreg=V
dZ+ R
2* I
1.
Signal Vreg is linked into the grid of N-type metal semiconductor field effect transis N-FET, the drain electrode of N-type metal semiconductor field effect transis N-FET meets supply voltage VDDA, the source electrode output low-voltage dc voltage VDD of N-type metal semiconductor field effect transis N-FET, and a filter capacitor C2 of VDD access; By N-FET, to chip power supply and filter capacitor, can effectively reduce the impact of chip transient current on vdd voltage.
The base stage of low-voltage dc voltage VDD access N-type triode VT1; signal Vreg connects the base stage of N-type triode VT1 by voltage-stabiliser tube D1; the emitter stage of N-type triode VT1 is connected to base stage, and the VGS voltage that these two devices prevent N-FET is excessive, plays the effect of protection N-FET.
The another kind of low-voltage regulated power supply circuit diagram providing for the utility model as Fig. 5, wherein low-voltage regulated power supply comprises one-way conduction unit 1, one-way conduction unit 2, capacitor C 1, resistance R 1, R2, Zener diode Dz, Zener diode D1, triode VT1, N-type metal semiconductor field effect transis N-FET, wherein said one-way conduction unit 1, one-way conduction unit 2 connect respectively PORT COM P1 and the P2 of printer, receive printer high-voltage dc pulse signal.
In another kind of low-voltage regulated power supply circuit diagram as shown in Figure 5, reduced current source I, the size output coincident circuit of change resistance R 1 and resistance R 2 requires
, the low-voltage regulated power supply integrated circuit shown in Fig. 5 has less area, can reduce costs more.
As directly giving Zener diode Dz power supply after resistance R 1, voltage signal HVDD in Fig. 5 obtains stable voltage signal Vreg.Voltage signal wherein
.
Claims (9)
1. a chip for ink-jet printer cartridge, is characterized in that, this chip comprises low-voltage regulated power supply [24], oscillator [25], resistance-capacitance network [27], nonlinear block [26],
Described low-voltage regulated power supply [24] connects two PORT COM P1 and the P2 of printer [21], printer high-voltage dc pulse signal HVDD is transformed into low-voltage dc voltage VDD output, for oscillator [25] provides stabilizing low voltage power supply;
Described oscillator [25] connects low-voltage regulated power supply [24] and resistance-capacitance network [27], oscillator [25] output periodic signal of square wave;
Described resistance-capacitance network [27] connection oscillator [25], PORT COM P1, PORT COM P2, oscillator [25] output rectilinear oscillation signal is as its input signal;
Described nonlinear block [26] connecting communication port P1, PORT COM P2.
2. a kind of chip of ink-jet printer cartridge according to claim 1, it is characterized in that: described low-voltage regulated power supply [24] comprises one-way conduction unit [1], one-way conduction unit [2], capacitor C 1, resistance R 1, R2, current source I, Zener diode Dz, Zener diode D1, triode VT1, N-type metal semiconductor field effect transis N-FET, wherein said one-way conduction unit [1], one-way conduction unit [2] connect respectively PORT COM P1 and the P2 of printer, receive printer high-voltage dc pulse signal.
3. a kind of chip of ink-jet printer cartridge according to claim 1, it is characterized in that: described low-voltage regulated power supply [24] comprises one-way conduction unit [1], one-way conduction unit [2], capacitor C 1, resistance R 1, R2, Zener diode Dz, Zener diode D1, triode VT1, N-type metal semiconductor field effect transis N-FET, wherein said one-way conduction unit [1], one-way conduction unit [2] connect respectively PORT COM P1 and the P2 of printer, receive printer high-voltage dc pulse signal.
4. a kind of chip of ink-jet printer cartridge according to claim 2, is characterized in that, described current source I is biasing circuit source or mirror current source, and wherein the value of current source I is 10uA ~ 10mA.
5. a kind of chip of ink-jet printer cartridge according to claim 2, is characterized in that, the output signal HVDD of described one-way conduction unit [1] and one-way conduction unit [2] is connected respectively to capacitor C 1 and current source I, described capacity earth; Described current source I obtains signal Vreg after via resistance R 1 and R2 dividing potential drop, Zener diode Dz voltage stabilizing; Described signal Vreg is linked into the grid of N-type metal semiconductor field effect transis N-FET and the negative pole of diode D1, base stage and the colelctor electrode of the anodal connecting triode VT1 of described diode D1, the emitter stage of described triode VT1 connects the source electrode of N-type metal semiconductor field effect transis N-FET, the drain electrode of N-type metal semiconductor field effect transis N-FET meets supply voltage VDDA, the source electrode of N-type metal semiconductor field effect transis N-FET is connected to capacitor C 2 and output low-voltage dc voltage VDD, described capacitor C 2 ground connection.
6. a kind of chip of ink-jet printer cartridge according to claim 3, is characterized in that, the output signal HVDD of described one-way conduction unit [1] and one-way conduction unit [2] is connected respectively to capacitor C 1 and resistance R 1, described capacity earth; Described output signal HVDD obtains signal Vreg after by resistance R 1 and R2 dividing potential drop, Zener diode Dz voltage stabilizing; Described signal Vreg is linked into the grid of N-type metal semiconductor field effect transis N-FET and the negative pole of diode D1, base stage and the colelctor electrode of the anodal connecting triode VT1 of described diode D1, the emitter stage of described triode VT1 connects the source electrode of N-type metal semiconductor field effect transis N-FET, the drain electrode of N-type metal semiconductor field effect transis N-FET meets supply voltage VDDA, the source electrode of N-type metal semiconductor field effect transis N-FET is connected to capacitor C 2 and output low-voltage dc voltage VDD, described capacitor C 2 ground connection.
7. a kind of chip of ink-jet printer cartridge according to claim 2, is characterized in that, described one-way conduction unit [1] and described one-way conduction unit [2] comprise transistor or diode.
8. a kind of chip of ink-jet printer cartridge according to claim 2, is characterized in that the P type substrate ground connection of described N-type metal semiconductor field effect transis N-FET.
9. a kind of chip of ink-jet printer cartridge according to claim 1, is characterized in that, described oscillator is programmable oscillator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320438656.2U CN203410167U (en) | 2013-07-23 | 2013-07-23 | Chip of ink jet printer cartridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320438656.2U CN203410167U (en) | 2013-07-23 | 2013-07-23 | Chip of ink jet printer cartridge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203410167U true CN203410167U (en) | 2014-01-29 |
Family
ID=49973089
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320438656.2U Withdrawn - After Issue CN203410167U (en) | 2013-07-23 | 2013-07-23 | Chip of ink jet printer cartridge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203410167U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103395295A (en) * | 2013-07-23 | 2013-11-20 | 杭州旗捷科技有限公司 | Chip of ink box of ink-jet printer |
| CN106166897A (en) * | 2016-08-19 | 2016-11-30 | 杭州旗捷科技有限公司 | Charge-discharge circuit, ink box chip |
-
2013
- 2013-07-23 CN CN201320438656.2U patent/CN203410167U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103395295A (en) * | 2013-07-23 | 2013-11-20 | 杭州旗捷科技有限公司 | Chip of ink box of ink-jet printer |
| CN103395295B (en) * | 2013-07-23 | 2016-01-20 | 杭州旗捷科技有限公司 | The chip of ink-jet printer cartridge |
| CN106166897A (en) * | 2016-08-19 | 2016-11-30 | 杭州旗捷科技有限公司 | Charge-discharge circuit, ink box chip |
| CN106166897B (en) * | 2016-08-19 | 2018-04-03 | 杭州旗捷科技有限公司 | Charge-discharge circuit, ink box chip |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140129 Effective date of abandoning: 20160120 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |