CN201030681Y - Ink cartridge for ink-jet printer - Google Patents
Ink cartridge for ink-jet printer Download PDFInfo
- Publication number
- CN201030681Y CN201030681Y CNU2007200503699U CN200720050369U CN201030681Y CN 201030681 Y CN201030681 Y CN 201030681Y CN U2007200503699 U CNU2007200503699 U CN U2007200503699U CN 200720050369 U CN200720050369 U CN 200720050369U CN 201030681 Y CN201030681 Y CN 201030681Y
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- Prior art keywords
- ink
- electrode
- jet printer
- cartridge
- print cartridge
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Abstract
The utility model relates to an ink box used for inkjet printers, which comprises an ink outlet opening, an electrode pair formed by a first electrode and a second electrode, at least an ink container, and an integrate circuit chip arranged on the outer face of the ink box. Ends of the first and the second electrode are bared in an inner chamber containing ink in the ink box, and the first and the second electrode are in the separating state of permitting liquid or gaseous matter filling the room between the two electrodes. The other ends of the first electrode and the second electrode are respectively connected with a measure signal input terminal of the integrated circuit chit. The ink box can measure the ink remaining in the ink box, and has the advantage of having simple, practicable, and reliable measure circuit structure.
Description
Technical field
The utility model relate to be applied to ink-jet printer can the splendid attire ink the print cartridge of class I liquid I.
Background technology
The inkjet type printer, its printing type normally provides Mo Yuan by being used to hold the print cartridge that stores up ink, via corresponding ink flow duct ink is transported to record head, under the driving of print signal with ink from the nozzle ejection that is provided with on the record head to recording mediums such as paper, finish the record of character or figure.Common commercially available ink-jet printer can be divided into piezoelectric ink jet printer and bubble type ink-jet printer according to its structure of nozzle form.
The piezoelectric ink jet printer is that near the ink flow duct both sides its record head nozzle respectively are provided with one or more piezo-electric crystal.Piezo-electric crystal is subjected to control through the print signal of data modulation, produces the contraction or expansion distortion, and the ink in the extruding jet nozzle penetrates the back from nozzle and forms fine liquid drops, splashes down to recording medium for example on the page of paper, forms a measuring point.
The bubble type ink-jet printer, its recording head structure is similar to the piezoelectric ink jet printer.Their difference is that the bubble type ink-jet printer is provided with heating electrode near ink flow duct inwall the record head nozzle or outer wall.The electric impulse signal of data modulation is sent on the heating electrode of nozzle, and heating electrode is rapidly heated, and near the ink of nozzle is vaporized rapidly, forms steam bubble.The pressure that the steam bubble expansion produces makes ink penetrate the back from nozzle and forms fine one by one ink droplet, splashes down to the paper page.After electric pulse disappeared, the ink in the ink devaporation, nozzle maintained level with neat mouthful of nozzle outer surface by surface tension.Record head extracts the ink flow duct at the ink flow nozzle place in the negative pressure guiding ink storage chamber that forms behind the ink.
According to the configuration relation of record head with print cartridge, ink-jet printer cartridge comprises two types again.A kind of is that ink holds main body, for example the integral structure print cartridge of ink storeroom and record head unification; Another kind is that ink holds the split-type structural print cartridge that main body is separated with record head.The print cartridge of integral structure had both comprised that record head also comprised the ink storeroom, and its record head is arranged on the ink outlet port of print cartridge.The print cartridge of split-type structural, its ink storeroom and record head are separated from each other setting, and the ink storeroom only is used for the splendid attire ink, and record head then is arranged on the printer word car.Wherein, the print cartridge of split-type structural comprises for example print cartridge of two kinds of forms of sponge storage China ink of pure cavity storage China ink and porous material again.
No matter be the integral structure print cartridge, or the split-type structural print cartridge, all be provided with the testing agency that is used to detect ink storage quantity information in its black chamber usually.A kind of ink detection mechanism wherein is with the acquisition probe of piezoelectric element as ink storage quantity information.For example domestic application for a patent for invention CN200510134289.7 discloses a kind of mounting structure of liquid sensor.This mounting structure comprises: vibration cavity forms base portion, the sensor that contains piezoelectric element, the mounting target member that sensor is installed and flexible sealing component.Vibration cavity forms base portion and has each other relative first surface and second surface.Vibration cavity forms and is used in the base portion admit the chamber as the medium that detects target to form towards first surface one side opening, and the basal surface in chamber can vibrate.Piezoelectric element in the sensor has first electrode, piezoelectric layer and second electrode.First electrode is formed on second surface one side of vibration cavity formation base portion.Piezoelectric layer is formed on first electrode.Second electrode is formed on the piezoelectric layer.The mounting target member that sensor is installed has upstream space and downstream space.Upstream space is communicated with the chamber by the upstream flow path, and downstream space is communicated with the chamber by the downstream flow path.Flexible sealing component is arranged between sensor and the mounting target member, and the space between seal sensor and the mounting target member.This ink detection mode, be to produce deformation by ink deadweight causing piezoelectric element, and then change into the signal of telecommunication and export the micro integrated circuit chip that is installed on the print cartridge to, further be passed to the ink storage quantity information of central processing unit (CPU) to be held in the interpretation print cartridge inner chamber of ink-jet printer again.Under this detection mode, owing to need the acquisition probe of the high piezoelectric element of precision requirement as ink storage quantity information, so structure is comparatively complicated, production cost is also comparatively expensive.
The utility model content
The utility model purpose is to provide a kind of cartridge of ink-jet printer, and this print cartridge only easy ink storage quantity information of need testing agency can reach the purpose that detects ink capacity, and it is simple in structure, and is with low cost.
According to the cartridge of ink-jet printer of above-mentioned purpose design, electrode pair, at least one ink storage chamber that comprise ink outlet port, constitutes by first electrode and second electrode and be installed on IC chip on the print cartridge outer wall.One end of first electrode and second electrode is exposed to print cartridge simultaneously to be had in the same inner chamber of ink, and keeps allowing liquid state or gaseous material filling separated position therebetween.The other end of first electrode and second electrode is electrically connected with the measuring-signal input of IC chip respectively.
Usually, aforementioned cartridge of ink-jet printer, its print cartridge same inner chamber that has an ink is meant the inner chamber of ink outlet port.
Preferably, aforementioned cartridge of ink-jet printer, the gap between the exposed end of its first electrode and second electrode is that 1mm is to the width between the wall of chamber, aforementioned exposed end place.
The same inner chamber that aforementioned cartridge of ink-jet printer, its print cartridge have an ink can also be chosen as the inner chamber of one of ink storage chamber.
Cartridge of ink-jet printer of the present utility model is at the ink outlet port inner chamber or have in other chambers of ink and be provided with the electrode pair that its termination is in naked state.The relative termination of electrode pair is electrically connected with the measuring-signal input of IC chip.In IC chip, be provided with and be used for known circuits or the improved circuit that electric signal detects.Like this, when electrode pair is exposed to termination in the ink outlet port inner chamber owing to being filled with ink or air when being in conducting or off state, signal deteching circuit in the IC chip sends the signal that the print cartridge ink inside has or not by the conducting state that compares electrode pair place circuit to printer, and then submits to the user to change print cartridge.It is simple and practical reliable that this print cartridge is used to detect the testing circuit of ink storage quantity.
The drawing explanation
Fig. 1 the utility model cartridge of ink-jet printer STRUCTURE DECOMPOSITION perspective view.
Fig. 2 the utility model cartridge of ink-jet printer STRUCTURE DECOMPOSITION fragmentary, perspective view.
Fig. 3 the utility model cartridge of ink-jet printer cutaway view.
Fig. 4 the utility model cartridge of ink-jet printer fragmentary, perspective view.
Fig. 5 the utility model print cartridge testing circuit structural representation.
The specific embodiment
Referring to Fig. 1,2, the utility model cartridge of ink-jet printer, its member mainly comprise lid 3, box body 4, side cover 5, IC chip 6 and electrode pair 7.
Consider the operability of production technology, lid 3 is engaged in the lower cover 2 by loam cake 1 and constitutes.In the top wall surface of loam cake 1, air flue 101 is set.Loam cake 1 and lower cover 2 mutually chimeric and embedding be placed under the state on the box body 4, sidewall tracheae 403 back that one end of air flue 101 passes box body 4 communicates with outside atmosphere in the bottom 408 that box body 4 is provided with out China ink 401, and the other end of air flue 101 is passing through the ink storage chambers 402 that four independent closed air cavitys 201 backs that are arranged on the lower cover 2 are communicated with box bodys 4 inside successively.
Referring to Fig. 3, go out China ink 401 and stretch in the ink supply chamber 404 and by one section ink flow duct and keep connected state with it.Going out on two relative sidewalls of black 401 positions, respectively be provided with a perforation 409 that connects this sidewall.The end of two electrodes 701,702 (referring to Fig. 1,2) that constitute electrode pair 7 respectively by 409 cavitys that insert out in the China ink 401 of boring a hole in after, with glue or similar articles sealed penetration 409 with the slit between electrode 701 or the electrode 702.The end that two electrodes 701,702 penetrate out in black 401 inner chambers all keeps naked state, and their mutual gaps are chosen as the arbitrary numerical value of 1mm to the width range between their chamber, place walls.Another termination of electrode 701 and electrode 702 is electrically connected with the measuring-signal input in the IC chip 6 that hereinafter is about to introduce 801 respectively.The stage casing of electrode 701 and electrode 702 then is placed in respectively in the corresponding tube seat of offering on box body 4 outer walls 410,411 regularly (referring to Fig. 1,2,4.Wherein Fig. 4 one of two electrodes 701,702 702 that electrode pair 7 is shown are fixed in the states in the tube seat 411).
Referring to Fig. 5, be to be arranged in the IC chip 6 one to be used for detecting electrode to 7 testing circuits 8 that whether are in conducting or off-state.
Under print cartridge was assemblied in state on the printer, IC chip 6 kept being electrically connected with the chip in the printer.The information that testing circuit 8 obtains sends IC chip 6 to by signal exchange electrode 802, and then is passed to the chip in the printer, is finally judged the existence or the disappearance of print cartridge ink outlet port 401 inner chamber ink inside by printer.
The effect in AC signal source 803 is the AC signals that load the one-period variation to testing circuit 8.The passive signal source can be adopted in AC signal source 803, as crystal oscillator, passive signal generator etc.; Also can adopt the active signal source, if any source signal generator, periodic swinging circuit or single-chip microcomputer, microcontroller (MCU) etc.
The effect of electric capacity 805 is operating characteristic of imitation piezoelectric element or piezoelectric transducer, and whether allow has the IC chip 6 that checkout gear for example contains testing circuit 8 to exist in the printer perception print cartridge.
During work, if having the ink that is enough to two electrode 701,702 corresponding terminations of submergence in ink outlet port 401 inner chambers, then testing circuit 8 is in conducting state.Under the effect of the cyclical signal that produces in AC signal source 803, electric capacity 805 repeated charge cause ink-jet printer to sense to contain the IC chip 6 of testing circuit 8.And then, the cyclical signal that AC signal source 803 produces sends ink-jet printer to by IC chip 6, finally by the ink-jet printer comparison from the signal oscillating frequency of IC chip 6 with the uniformity of establishing in it between chip standard frequency of oscillation, judge the ink surplus in the print cartridge
Along with the ink in the print cartridge is consumed gradually, two electrodes 701 in ink outlet port 401 inner chambers, ink between 702 is depleted, two electrodes 701, be in off state owing to pouring air between 702, cause IC chip 6 not obtain input signal by signal exchange electrode 802, finally cause the voltage signal of inkjet printing machine testing less than IC chip 6 outputs, thereby the ink in the judgement print cartridge is about to or has used up, send a caution signal to the user immediately, inform that the ink surplus in user's print cartridge is few, the print cartridge that need more renew.
Claims (4)
1. cartridge of ink-jet printer, electrode pair, at least one ink storage chamber that comprises ink outlet port, constitutes by first electrode and second electrode and be installed on IC chip on the described print cartridge outer wall, an end that it is characterized in that described first electrode and described second electrode is exposed to described print cartridge simultaneously to be had in the same inner chamber of ink and keeps allowing liquid state or gaseous material filling separated position therebetween, and the other end of described first electrode and described second electrode is electrically connected with the measuring-signal input of described IC chip respectively.
2. cartridge of ink-jet printer according to claim 1 is characterized in that the same inner chamber that described print cartridge has an ink is the inner chamber of described ink outlet port.
3. cartridge of ink-jet printer as claimed in claim 1 or 2 is characterized in that the gap between the exposed end of described first electrode and described second electrode is that 1mm is to the width between the wall of chamber, described exposed end place.
4. cartridge of ink-jet printer according to claim 1 is characterized in that the same inner chamber that described print cartridge has an ink is the inner chamber of one of described ink storage chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200503699U CN201030681Y (en) | 2007-04-10 | 2007-04-10 | Ink cartridge for ink-jet printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200503699U CN201030681Y (en) | 2007-04-10 | 2007-04-10 | Ink cartridge for ink-jet printer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201030681Y true CN201030681Y (en) | 2008-03-05 |
Family
ID=39162574
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200503699U Expired - Fee Related CN201030681Y (en) | 2007-04-10 | 2007-04-10 | Ink cartridge for ink-jet printer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201030681Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011029378A1 (en) * | 2009-09-08 | 2011-03-17 | 珠海天威飞马打印耗材有限公司 | Ink cartridge |
| JP2018108742A (en) * | 2018-03-05 | 2018-07-12 | 株式会社リコー | Cartridge, information storage element, and image forming apparatus |
-
2007
- 2007-04-10 CN CNU2007200503699U patent/CN201030681Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011029378A1 (en) * | 2009-09-08 | 2011-03-17 | 珠海天威飞马打印耗材有限公司 | Ink cartridge |
| JP2018108742A (en) * | 2018-03-05 | 2018-07-12 | 株式会社リコー | Cartridge, information storage element, and image forming apparatus |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080305 |