CN202428815U

CN202428815U - Ink cartridge for ink-jet printer

Info

Publication number: CN202428815U
Application number: CN2011205576372U
Authority: CN
Inventors: 不公告发明人
Original assignee: ZHUHAI BINGZHOU TRADE CO Ltd
Current assignee: Zhuhai Ninestar Management Co Ltd
Priority date: 2011-12-27
Filing date: 2011-12-27
Publication date: 2012-09-12
Anticipated expiration: 2021-12-27

Abstract

The utility model relates to an ink cartridge for an ink-jet printer. The ink cartridge comprises an ink storage cavity, an ink outlet, luminous portions and a reflecting surface, the ink storage cavity is used for storing ink supplied to the printer, the ink is supplied to the printer via the ink outlet, the luminous portions and the reflecting surface are disposed on the front wall of the ink cartridge, and the reflecting surface can reflect light emitted by the luminous portions to two sides of the ink cartridge, or the luminous portions are disposed on both two sides of the ink cartridge. The ink cartridge can be used on the printer no matter whether sensors of the printer are configured on the left or the right of the printer, universality of the ink cartridge is improved, and the technical problem that an existing ink cartridge for a printer cannot adapt to the printer with sensor rows arranged on different side surfaces of the printer is solved.

Description

A kind of cartridge of ink-jet printer

Technical field

The utility model relates to a kind of cartridge of ink-jet printer.

Background technology

Inkjet printing more and more receives user's favor by feat of printing bright advantage, guarantee printing effect, and the print cartridge of subtend printer supply ink is had higher requirement, and especially studies the relevant parameter of print cartridge., also continue to print not only can not obtain printing effect preferably when using up such as ink in the print cartridge of printer supply ink,, may burn out printhead if there is not ink in the printhead for a long time.

Ink remaining amount detection mode commonly used in the prior art has piezoelectric transducer; The detection mode of piezoelectric transducer is that the frequency vibrated when ink cartridge being arranged in print cartridge and not having ink of piezoelectric ceramic piece is different, and the frequency through the detecting sensor vibration detects ink remaining amount in the print cartridge; But this piezoelectric ceramic piece is very high to manufacturing process requirement, and cost of manufacture is also very high.The another kind of mode that detects ink remaining amount in the print cartridge, through optical detection, for example patent CN102001229 discloses a kind of print cartridge that can detect ink remaining amount; This print cartridge comprises a movable part that is arranged in the print cartridge, and movable part one end is a floating part, and the density of floating part is littler than ink density; Can float on the ink surface like this, and can and move up and down along with the quantity of ink variation, the other end of movable part is the shadow shield branch; The shadow shield branch can block the path of printer inner sensor light transmission; When ink remaining amount in the print cartridge during less than predetermined value, floating part is along with ink surface moves, and shadow shield divides and also can change along with the variation of ink remaining amount; The path of blocking the sensor light transmission in the printer from beginning most becomes the path of not blocking the transmission of printer inner sensor light.Through the result in sensor light travels path, just can judge that whether ink remaining amount is less than predetermined value in the print cartridge.

But in the above-mentioned technical scheme through shadow shield branch detection ink remaining amount on the movable part; Movable part float part receives the ink surface influence of air bubbles easily; Making movable part move has some setbacks; So just cause when ink remaining amount is less than predetermined value in print cartridge easily, floating part is arranged in the bubble on the ink surface, and shadow shield still is positioned on the position of blocking printer inner sensor light transmission path.

And patent CN102001229 has also mentioned a kind of technical scheme that detects toner cartridge type; The anterior middle-end of print cartridge is provided with two shadow shield branches; According to dissimilar print cartridges; The thickness that first shadow shield divides is arranged to difference, and between first shadow shield branch and second shadow shield branch, is provided with the light transmission part, divides the moment difference of shading can distinguish toner cartridge type through detecting first shadow shield like this.Too fast but if print cartridge is installed, will cause the moment that printer can not identification sensor light break-make, the lasting time etc., will cause erroneous detection like this.

A kind of visionary hope of being bullied of buoy on the above-mentioned print cartridge that solves is rung and is caused the solution of erroneous detection and print cartridge installation faults to be; Can initiatively come accurately to detect the relevant information of print cartridge through print cartridge from the print cartridge of main light emission through on print cartridge, being provided with one to printer signal; And a kind of existing printer is for fear of the phase mutual interference between the neighboring sensors; With the layout of two adjacent sensors is not identical; A plurality of difform print cartridges so just need be set; Particularly luminous component is separately positioned on the diverse location of print cartridge, a plurality of smooth emission parts perhaps are set simultaneously, but the latter can increases cost undoubtedly on print cartridge.

The utility model content

This use is novel to provide a kind of cartridge of ink-jet printer, with solve existing cartridge of printer can not the simultaneous adaptation rows of sensors not in the technical problem of the printer of ipsilateral not.

In order to solve above technical problem, the technical scheme that the utility model is taked is:

A kind of cartridge of ink-jet printer comprises: ink storage chamber is used to store the ink that is supplied to printer; Ink outlet port, ink is supplied to printer through this ink outlet port, it is characterized in that, also comprises the illuminating part and the reflective surface that are arranged at the print cartridge antetheca, and said reflective surface can reflex to the light that said illuminating part sends the both sides of print cartridge.

Also comprise shadow shield, said shadow shield can block or change light that the photophore in the printer sends fully so that the light that photophore sends loses the effect of printer inner sensor and light belt that said illuminating part is sent disturbs.

Said reflective surface is arranged on the said shadow shield.

Also comprise controller and connecting circuit, said controller is connected with said illuminating part through said connecting circuit.

Said controller is controlled said illuminating part and is sent and be used for being received the light to judge that installation is whether successful by the sensor of printer.

Said controller is a trigger switch, and said trigger switch comprises slide block, is arranged at contact one and contact two on the said illuminating circuit; Said slide block be provided with one can the said trigger switch of conducting contact one with the end of contact two, in print cartridge installation process, said slide block can move between the two positions; And when the primary importance and the second place, contact one is in off-state with contact two, and during intermediateness between the primary importance and the second place, whether switch is in conducting state, luminous with the control illuminating part.

Said contact one is respectively the two-end-point on first contact on the illuminating circuit with contact two.

A kind of cartridge of ink-jet printer comprises: ink storage chamber is used to store the ink that is supplied to printer; Ink outlet port, ink is supplied to printer through this ink outlet port, it is characterized in that, and described print cartridge both sides are provided with illuminating part.

After having adopted technique scheme, owing to also comprise illuminating part and the reflective surface that is arranged at print cartridge one side, both sides or print cartridge both sides that reflective surface can reflex to the light that said illuminating part sends print cartridge are provided with illuminating part.No matter the sensor of printer is configured in a left side or on the right side, this print cartridge can use, improved the versatility of print cartridge, solved existing cartridge of printer can not the simultaneous adaptation rows of sensors not in the technical problem of the printer of ipsilateral not.

Description of drawings

The structural representation that relates to print cartridge for the utility model shown in Figure 1;

The decomposing schematic representation that relates to print cartridge for the utility model shown in Figure 2;

The manufacturing process sketch map that relates to print cartridge for the utility model shown in Figure 3;

Shown in Figure 4ly relate to print cartridge installation process sketch map for the utility model;

Structural representation when relating to print cartridge quantity of ink is less than predetermined value in print cartridge shown in Figure 5 for the utility model;

The structural representation that relates to connecting circuit on the print cartridge for the utility model shown in Figure 6;

The sensing arrangement sketch map that uses with the print cartridge coupling that relates to for the utility model shown in Figure 7;

The partial schematic diagram that relates to the print cartridge installation portion for the utility model shown in Figure 8.

Reference numeral

The 1-print cartridge; The 2-housing; The 3-projection;

The 4-ink storage chamber; The 51/52/53/54-hollow circuit cylinder; The 6-ink outlet port;

The 7-slide block; The 8-spring; The 9-connecting circuit;

91a/91b/91c-first contact; 92a/92b-second contact; The 13-cover;

The 22-shadow shield; The 26-illuminating part; The 28a/28b-electrode contacts;

30a/30b-power spring silk; The 31-assembly; The 32-button cell

The 33a/33b-guide post; The 34a/34b-rib; 35a/35b-locatees wall;

The 93-bifurcated; The 301a/302a-joint end; The 301b/302b-contact jaw;

The 311/312-limiting section; The 313/314/315-reference column; The 316-support portion;

The transversal portion of 317-; The 318/319-hole; The 320/321-draw-in groove;

The 322/323-convergence part; The 701/702-auxiliary section; The 703-chute;

The 704/705-Access Division;

201/201 '/201 "/201 " '-first sensor;

202/202 '/202 " sensor/202 " '-second;

203/203 '/203 "/203 " '-the ink supply pin;

201a/201 ' a/201 " a/201 " ' a-light emission part;

201b/201 ' b/201 " b/201 " ' the b-light receiver;

202a/202 ' a/202 " a/202 " ' a-light emission part;

202b/202 ' b/202 " b/202 " ' the b-light receiver;

The 901/902/903-through hole.

The specific embodiment

In order to make those skilled in the art can better understand the utility model; Embodiment to the utility model is elaborated below in conjunction with accompanying drawing, and all changes of on present technique scheme basis, not paying creative work and making all belong to the protection domain of the utility model.

Be illustrated in figure 1 as the structural representation that the utility model embodiment one relates to print cartridge, the decomposing schematic representation that relates to print cartridge for the utility model embodiment one shown in Figure 2; This print cartridge 1 comprises: housing 2, be used for the ink storage chamber 4 of storage ink, cooperate to the ink outlet port 6 of printer supply ink, with printer and detect print cartridge for printer whether successful installation detection part and ink surplus detection part are installed, the installation detection part comprise the first signal shield portions that is arranged on the print cartridge nock be projection 3, be arranged on the shadow shield 22, controller, connecting circuit 9 of anterior middle-end, the illuminating part 26, the reset components that are connected with controller through connecting circuit 9 are spring 8 and pass through connecting circuit 9 is the power supply that controller and illuminating part 26 are supplied power.Controller control illuminating part 26 sends and is used for being received the light to judge that installation is whether successful by the sensor of printer; Controller is for independently controlling the trigger switch of illuminating part; Whether the not control program of subject printer control, trigger switch slide luminous with control illuminating part 26 in print cartridge installation process, spring 8 and trigger switch coupling; Make trigger switch be unkitted the fashionable nature that returns at print cartridge, illuminating part 26 is arranged on the shadow shield 22.One end of trigger switch is arranged on the front portion of print cartridge so that in the print cartridge installation process with printer inwall butt.The light that illuminating part 26 sends is visible light or infrared ray.The trigger switch slipper comprises slide block 7 and the power spring silk that cooperates with slide block 7, and spring 8 cooperates with slide block 7, and on the direction opposite with the print cartridge installation direction, gives bias force of slide block; Certainly have the end 72 of conductive material can be arranged to be stuck in or be fitted on the slide block 7 such as conducting strip from parts of slide block 7 separation, perhaps the power spring silk directly is assembled to slide block 7; Connecting circuit 9 is provided with a pair of

first contact

91a, 91b, and a pair of

first contact

91a, 91b and trigger switch slipper constitute the trigger switch in this circuit.Cover 13, assembly 31, button cell 32, power spring silk 30a, 30b.Housing 2 constitutes the main frame of print cartridge; Projection 3 is arranged to the part of housing, and stretches out from the front end face of housing, can block the sensor light transmission route in the printer; Ink storage chamber 4 is arranged to store the ink that is supplied to printer, and this ink storage chamber 4 is formed by the cavity of an end opening on the housing with by the fexible film sealing of sealing cavity; Ink outlet port 6 is arranged to the ink feed in the ink storage chamber 4 to printer, and also is provided with the valve body of sealing usefulness in this ink outlet port 6, makes under the nature; Valve body seals ink outlet port; In the time of in print cartridge is mounted to printer, valve body is opened, and ink can be supplied to printer; Slide block 7 slides along the print cartridge installation direction; Spring 8 becomes to cooperate with slide block 7, extracts direction at slide block along print cartridge and gives resistance of slide block, and when print cartridge is not mounted in the printer, give power of slide block along the print cartridge installation direction, makes slide block at preposition, plays the function that resets to slide block; Connecting circuit 9, controller is controlled the light that illuminating part is launched the scheduled time at predetermined instant, preset type through this connecting circuit; Power spring silk 30a/30b is arranged to can be respectively with trigger switch on the connecting circuit 9 and contactor conducting, and shadow shield 22 blocks or change the light transmission path of printer inner sensor; Power supply is preferably button cell 32, and being arranged to provides power supply to connecting circuit; Assembly 31 is arranged to and can slide block 7, spring 8, connecting circuit 9, power spring silk 30a/30b, shadow shield 22 be linked together, and cooperates with the housing 2 of print cartridge 1 then; Cover 13 is arranged on after the above-mentioned component-assembled completion, on the surface that covers housing 2, avoids the above-mentioned parts and the external world to bump.

The manufacturing process sketch map that relates to print cartridge like Fig. 3 (a)～(h) for embodiment one.Fig. 3 (a) is depicted as the sketch map that shadow shield 11 is mounted to assembly 15; The effect of shadow shield 22 is the paths that change the transmission of printer inner sensor light; And an end of the shadow shield 22 in the present embodiment have two can the reverberation transmission route reflective surface; Preferably adopt a prism to constitute, its role is to above-mentioned two reflective surfaces and can receive the light on the self-luminescent part 26, the light that then illuminating part 26 is sent reflexes to two sides of print cartridge; If certainly two illuminating parts 26 being set is connected with connecting circuit 9; Promptly an illuminating part 26 is set respectively in two sides of assembly 31; Also can shadow shield 22 be designed to a thin plate, when print cartridge 1 was mounted to printer like this, the sensor of print cartridge both sides can receive the light of connecting circuit. in order to save an illuminating part 26; A prism is set on above-mentioned shadow shield 22; This prism is provided with two hollow bulbs, and assembly 31 is provided with two outstanding pillars, and the two adopts interference fit.

Fig. 3 (b) is depicted as on the basis of Fig. 3 (a) slide block 7 and spring 8 is mounted to the sketch map on the assembly; This slide block 7 is preferably cylindric; One end has a step surface; The chute 703 that the middle part has a hollow; An end of chute 703 and middle part be respectively arranged with assembly 31 on the auxiliary section 701,702 that cooperates of limiting section 311,312, auxiliary section 701,702 is corresponding with the shape of cross section of limiting section 151,152, and auxiliary section 701,702 is wideer than other positions on the chute 703 on the width; Also be provided with two Access Divisions 704,705 on this slide block 7; This Access Division 704,705 respectively with power spring silk 30a on two

joint end

301a, 302a cooperate; And joint end 301a, the 302a of power spring silk 30a are arranged to inside contraction; Power spring silk 30a be slightly smaller than the distance between Access Division 704 and the Access Division 705 with regard to the distance between joint end 301a and the joint end 302a like this, and power spring silk 30a has elasticity, so can firmly be connected on the slide block 7; In order to guarantee that power spring silk 30a cooperates with the

first contact

91a, 91b on the connecting circuit 9 better, is arranged to the projection of certain radian in two corners of power spring silk 14a; The internal diameter of spring 8 is a bit larger tham the external diameter of the pillar end of slide block 7, and less than the step surface external diameter of slide block 7.In the installation process, at first spring 8 covers are received on the slide block 7, and an end of spring 8 and step surface butt, power spring silk 14a is assembled on the slide block 7; Then spring 8 is compressed to the position that the other end is no more than Access Division 701, preferably directly spring 8 is compressed to limiting condition; At last slide block 7 is assembled on the assembly 31; In this process; Only need the Access Division on the slide block 7 701,702 be installed on the limiting section 311,312 on the assembly 31, push slide block 7 then, Access Division 701,702 is positioned at limiting section 311,312 times; Spring 8 will be given 7 one bias forces of slide block along the print cartridge installation direction; Slide block 7 will move to the print cartridge installation direction along the track of chute 703, just can not deflect so that chute 703 can only move along the print cartridge installation direction through the twigs of the chaste tree and the limiting section 311,312 that cooperates with chute 703 on the assembly 31; Therefore slide block 7, spring 8, power spring silk 30a can be regarded as a trigger switch; This trigger switch can be according to preset condition; The first contact 91a and the first contact 91b on the connecting circuit 9 perhaps broken off in conducting selectively, therefore can claim that also this trigger switch is a trigger mechanism; Effect such as Fig. 3 (c) after the assembling.

Fig. 3 (c) is depicted as on Fig. 3 (b) basis connecting circuit 9 is mounted to the sketch map on the assembly 31; This connecting circuit 9 preferably is made up of flexible PCB; This flexible PCB is provided with the switch of two parallel connections, and two contacts of first switch are the

first contact

91a, 91b, and two contacts of second switch are the

second contact

92a, 92b; And the electrode contacts 28a, the 28b that cooperate with the both positive and negative polarity of battery; Also be provided with on the circuit board respectively with assembly 31 on the through hole 901,902,903 that cooperates of reference column 313,314,315, and this flexible PCB is arranged to a bifurcated 93 in a part that comprises the

second contact

92a, 92b at least, these bifurcated 93 1 ends are connected with the main body of flexible PCB; The other end can freely rotate; And at least a portion of bifurcated 93 is fitted on the fexible film on inking chamber 4 surfaces, and like this along with the quantity of ink in the inking chamber 4 reduces, the fexible film depression will drive bifurcated 93 and move; And moving of bifurcated 93 can make the

second contact

92a, 92b move; Can detect the surplus of ink in the print cartridge through moving of the

second contact

92a, 92b, and the end of this bifurcated 93 is installed on the support portion 316 of assembly 31, and passes transversal 317 below that is connected with support portion 316; The partially flexible circuit board that comprises the

first contact

91a, 91b is arranged to a bifurcated equally; The contact of winning can be rotated around the main body of flexible PCB; And the partially flexible circuit board that comprises

electrode contacts

28a, 28b is arranged to and can be folded, and can battery be arranged in this flexible PCB after folding like this; The illuminating part 26 that is connected with this flexible PCB preferred embodiment selects for use one can launch ultrared LED lamp and constitute, and is connected with this LED lamp the partially flexible circuit board can become 90 to rotate around the main body of flexible PCB; Specifically see Fig. 6.

Fig. 3 (d) is depicted as on Fig. 3 (c) basis the sketch map that power spring silk 30b is mounted to assembly 31; The structure of power spring silk 30b is different with the structure of power spring silk 30a, and power spring silk 30b comprises a U-shaped upper surface, and is vertically extending along the U-shaped upper surface then; At last in vertical making a circulation; And

contact jaw

301b, 302b, this

contact jaw

301b, 302b are arc, and form flange with respect to the face that contact jaw connects; Power spring silk 30b is socketed on transversal 317 on the assembly 31; And transversal 317 upper surface is formed with one and the capable groove of the similar U of power spring silk 30b shape; Make power spring silk 30b can make things convenient for, stably be installed on the assembly 31; Power spring silk 30b is mounted to after the assembly 31, contact

jaw

301b, 302b respectively with flexible PCB on the

second contact

92a, 92b on horizontal line; Under the nature, the insulated part butt on

contact jaw

301b, 302b and the flexible PCB of power spring silk 30b prevents that flexible circuit from sliding like this; And the quantity of ink in ink storage chamber 4 is during less than scheduled volume; The bifurcated 93 of flexible PCB moves along with the fexible film depression; Drag the

second contact

92a, 92b like this and move to the position of

contact jaw

301b, 302b; The LED lamp is through flexible circuit version and button cell 32 conductings like this, and illuminating part 26 beginnings are luminous, light is emitted to two sides of print cartridge through the shadow shield 11 that has prism to constitute.

Fig. 3 (e) is depicted as and on the basis of Fig. 3 (d) button cell 32 is being mounted on the assembly 31, the both positive and negative polarity of button cell respectively with flexible PCB on

electrode contacts

28a, 28b contact, to connecting circuit 9 and illuminating part 26 power supply is provided; After this flexible PCB is assembled into assembly 31, the circuit board folded one-tenth of partially flexible and the button cell shape shapes similar at

electrode contacts

28a, 28b place; Make button cell 32 firmly to be installed on the assembly 31.

Fig. 3 (f) be on the basis of Fig. 3 (e) with after the first contact 91a on the flexible PCB, the 91b upset, be plugged into slide block 7 belows; The through hole on the connecting circuit 9 901,902 respectively with assembly 31 on reference column 313,314 cooperate, through reference column 314,314 being carried out make connecting circuit 9 partly be fixed on the assembly 31 after the hot weld; To have the partially flexible circuit board upset of the

first contact portion

91a, 91b, and make the contact 91a that wins, 91b and power spring silk 14a on horizontal line; And through hole 903 cooperates with reference column 315 on the assembly; Whole like this flexible PCB just can not slide on assembly 31 unexpectedly; Shape after flexible PCB is folding is as shown in Figure 6.

Fig. 3 (g) is with on the basis of Fig. 3 (e) assembly 31 being mounted to the sketch map on the housing 2; Ink storage chamber 4 openings of this housing 2 are sealed by fexible film, and in ink storage chamber 4, fill with ink, and ink outlet port 6 is equipped with seal valve; Also be provided with on this housing 2: respectively with assembly 31 on draw-in groove 320,321 the rib 34a, the 34b that cooperate; And

rib

34a, 34b are provided with certain gradient; When installing like this, placing modules 31 has bigger space, and assembly 31 is mounted to 2 last times of housing fully and can be fixed well; With guide post 33a, the 33b that hole on the assembly 31 318,319 cooperates, this guide post 33a, the main directing assembly 31 of 33b are mounted on the housing 2 more accurately and rapidly; And respectively with assembly 31 on convergence part 322,323 the location wall 35a, the 35b that cooperate;

Location wall

35a, 35b extend from the direction perpendicular to guide post 33a respectively; And in assembly 31 assembling process;

Location wall

35a, 35b are pushed by assembly because of elastic deformation power, are connected to 322,323 tops, convergence part of assembly 31 then.By the way, can assembly firmly be located on three-dimensional, and easy for installation, quick.After assembly 31 is installed, the part of flexible PCB upper bifurcation 93 is sticked on the ink storage chamber 4 lip-deep fexible films.

Fig. 3 (h) is for to cover cover 13 on the housing 2 on the basis of Fig. 3 (g), and housing 2 is provided with four

hollow posts

51,52,53,54, and cover 13 is provided with the projection that cooperates respectively at hollow posts.Fig. 3 (a)～(h) describes each parts of forming in order to explain this print cartridge structure; And non-limiting can only the completion by above-mentioned steps do not paid those skilled in the art under the situation of creative work, such as can earlier the flexible circuit version being assembled on the assembly; Spring wire in also can first installation diagram 3 (d); Also can be mounted to fully on the housing at assembly, in print cartridge, inject ink again, these all are the protection domains of present technique scheme.And the assembly 31 in the present technique scheme is arranged to separate with print cartridge, and purpose is, trigger switch is installed, connecting circuit is convenient; Certainly do not considering to make under the situation of print cartridge complexity, can assembly 31 and housing 2 is one-body molded.

Fig. 4 (a)～(d) is depicted as the utility model embodiment one and relates to print cartridge installation process sketch map; Be provided with first sensor 201 in the printer; Second sensor 202; The first sensor 201 and second sensor 202 all are optical pickocffs, and this optical pickocff comprises a light emission part and a light receiver, when print cartridge is not mounted in the printer; The light of light emission part emission can be received by light receiver; And after print cartridge installed, the shadow shield on the print cartridge can stop or change light transmission path on the optical pickocff, so the information of light receiver can be confirmed the relevant information of print cartridge on the optical pickocff.Be depicted as print cartridge 1 like Fig. 4 (a) and be mounted to first state in the printer; Shadow shield 11 on the print cartridge 1 at first blocks or changes the light transmission route of second sensor 202 in the printer; And the contact one of connecting circuit 9 (i.e. the first contact 91a) and contact two (i.e. the first contact 91b) not by power spring silk 30a conducting, the

second contact

92a, 92b not by power spring silk 30b conducting, therefore the acceptance division on second sensor 202 does not receive light.Fig. 4 (b) is depicted as print cartridge and is mounted to second state in the printer; Shadow shield 22 on the print cartridge at first blocks or changes the optical transmission line of second sensor 202 in the printer; Projection 3 is also blocked the light transmission route of first optical pickocff 201 in the printer; And the contact one of connecting circuit 9 (i.e. the first contact 91a) and contact two (i.e. the first contact 91b) not by power spring silk 30a conducting, the

second contact

92a, 92b not by power spring silk 30b conducting, so the acceptance division on the first sensor 201 and second sensor 202 does not all receive light.Fig. 4 (c) is depicted as print cartridge and is mounted to the third state in the printer; Shadow shield 22 on the print cartridge at first blocks or changes the optical transmission line of second sensor 202 in the printer; Projection 3 is also blocked the light transmission route of first optical pickocff 201 in the printer; But print cartridge 1 top shoe 7 in installation process with printer in abutting part (not shown) butt, like this in installation process, slide block 7 can produce certain displacement with respect to housing 2; And power spring silk 30a can also move along with slide block 7; Shown in Fig. 4 (c), contact one (i.e. the first contact 91a) and contact two (i.e. the first contact 91b) conducting that power spring silk 30a incites somebody to action, trigger switch is with illuminating part 26 conductings like this; Illuminating part 26 can be launched light towards two reflective surfaces of shadow shield 22, so the light receiver of sensor 202 can receive the light from 26 emissions of the illuminating part on the print cartridge 1; Make in the process of print cartridge at aforementioned description Fig. 3 (a); Preferably embodiment with shadow shield 22 by the reason that a biprism constitutes is; At least a portion of biprism have two can be reflective face; These two reflective surfaces are arranged to relative with illuminating part 22, the light of print cartridge 1 glazing emission part 12 emission just can be reflected to two sides of print cartridge 1, no matter the light emission part of second sensor 202 is arranged on the left of the print cartridge like this, light receiver is arranged on the print cartridge right side; Still the light emission part is arranged at print cartridge right side, light receiver and is arranged on the print cartridge left side, and second sensor 202 can receive the light of print cartridge; Can original line in the printer all be blocked through this shadow shield 22 in addition; Make second sensor 202 can receive light better from 26 emissions of the illuminating part on the print cartridge 1; Print cartridge initiatively can be received by printer to the information that printer provides better like this, can according to user's request dissimilar print cartridges be set more exactly; The ink tank information that printer recognizes is more accurate.Fig. 4 (d) is depicted as print cartridge and is mounted to the 4th state in the printer, and print cartridge is mounted in the printer fully, and the shadow shield 22 on the print cartridge at first blocks or change the optical transmission line of second sensor 202 in the printer; The light transmission route of first optical pickocff 201 in the printer is also blocked or changed to projection 3; In installation process, slide block 7 produces further displacement with respect to housing 2, shown in Fig. 4 (d); Power spring silk 30a is along with the slip of slide block 7; Move to the right side of contact two, the such first contact 91a and the first contact 91b are in the state of disconnection again, and the light receiver of sensor 202 does not receive light once more.Light receiver in conjunction with the first sensor 201 among Fig. 4 (a)～(d) and second sensor 202 receives the type that the light time carves, the duration can be confirmed print cartridge; That is to say that the power spring silk 30a on the slide block 7 can move between the primary importance and the second place; The primary importance and the second place all are the positions of contact one and contact two disconnections; And between the primary importance and the second place, be provided with an intermediateness; When this intermediateness; Contact one and contact two conductings can just can obtain polytype print cartridge so that intermediateness is blocked along with print cartridge upper process 3 or changed first sensor 201 smooth transmission routes in the printer, shadow shield 22 blocks or change in the printer second sensor, 202 smooth transmission routes to be adjusted through predetermined set; Make shading change in proper order through adjustment print cartridge structure, the light that receives from print cartridge such as sensor among Fig. 4 (c) 202 before first projection, 3 shading lights, can obtain the print cartridge of another kind of type in Fig. 4 (b).

Structural representation when relating to print cartridge quantity of ink is less than predetermined value in print cartridge shown in Figure 5 for the utility model embodiment one; Preferably embodiment is that connecting circuit 9 is processed by flexible PCB as previously mentioned; Bifurcated 93 on the flexible PCB is attached on the ink storage chamber 4 lip-deep fexible films; And the quantity of ink of fexible film in ink storage chamber 4 can be to the ink storage chamber sunken inside when reducing; Bifurcated on the flexible PCB 93 also can move along with the distortion of fexible film like this, and such

second contact

92a, 92b will move towards the contact jaw 301b on the

power spring silk

30b, 302b direction; When the quantity of ink in the ink storage chamber 4 during less than predetermined value; The

second contact

92a, 92b move to the position of power spring silk 14b; In Fig. 5, the second contact 92a contacts with contact jaw 301b on the power spring silk 30b, and the second contact 92b contacts with contact jaw 302b on the power spring silk 30b; The such second contact 92a and the second contact 92b are just by power spring silk 30b conducting; Another loop conducting of connecting circuit 9, illuminating part 26 can be to two reflecting surface emission light of shadow shield 22 like this, and the light receiver of second sensor 202 just can receive light again in the printer; The variation that receives optical information through sensor 202 can be given printer with quantity of ink feedback information in the ink storage chamber 4.Certainly do not considering under the condition of cost, can illuminating part be set respectively, just two reflective surfaces need be set on shadow shield 22 in shadow shield 22 both sides; Under the situation that printer can change, can increase the light emission part according to printer inner sensor quantity.

The structural representation that relates to connecting circuit on the print cartridge for the utility model embodiment one shown in Figure 6; Fig. 6 (a) is depicted as the utility model embodiment one and relates to print cartridge connecting circuit structural representation before use, and Fig. 6 (b) is depicted as the utility model embodiment one and relates to print cartridge connecting circuit structural representation in use.Shown in Fig. 6 (a); This connecting circuit 9 preferably is made up of flexible PCB; This flexible PCB is provided with the first contact 91a, 91b, the second contact 92a, 92b, electrode contacts 28a, 28b; Illuminating part 26, this illuminating part 26 preferred embodiment can be launched ultrared LED lamp for adopting; The first contact 91a, 91b and the second contact 92a, 92b constitute two switch contacts of two parallelly connected circuit, are connected with electrode contacts 28a, 28b and illuminating part 26 respectively; Also be provided with on this flexible PCB through hole 901,902,903 respectively with assembly 31 on reference column cooperate, make flexible PCB be mounted on the print cartridge and can unexpectedly slide; In addition in order to save material; This flexible PCB is made as far as possible point-blank when producing, and along the dotted portion among Fig. 6 (a), flexible PCB is cut then; There are bifurcated 93 1 ends of the second contact 92a, 92b to be fixed on the flexible PCB main body like this on the flexible PCB; And the other end can move freely, and the same first contact 91a, 91b can be provided with equally like this, and because the deformation power of flexible PCB is better; Can be through folding mode; Flexible circuit is folded into the shape of a button cell mounting groove, and electrode contacts 28a, 28b lay respectively at the both sides of button cell 32, and the partially flexible circuit board of the first contact 91a, 91b is folded; And the partially flexible circuit board that connecting circuit 9 will be arranged carries out about 90 degree upsets.Flexible PCB after folding is shown in Fig. 6 (b), and this shape is exactly that flexible PCB is mounted to the shape in the print cartridge; Fit in flexible circuit and ink storage chamber 4 surfaces like this, and the ink remaining amount testing result is more accurate like this; And, can reduce circuit board material through folding mode mounting circuit boards, reduce cost.

Shown in Figure 7ly relate to the sensing arrangement sketch map that uses with print cartridge coupling, the partial schematic diagram that relates to the print cartridge installation portion for the utility model shown in Figure 8 for the utility model.Sensor 202 comprises a light emission part 202a and a light receiver 202b; Light emission part 202a launches a kind of sightless infrared ray according to the prerequisite of printer; For example in the printer start; When printer begins to print, also can be after the predetermined number of pages of printer prints perhaps; When between the light emission part 202a of sensor 202 and light receiver 202b, not having shelter or reflective thing; Light receiver 202b can receive the light from light emission part 202a; The feedback information that will receive light is then given printer; When shelter or reflective thing were arranged between light emission part 202a and light receiver 202b, light receiver 202b just can not receive the light from light emission part 202a; First sensor device 201,201 ', 201 ", 201 " ' with second sensor 202 ', 202 ", 202 " ' structure identical with principle with second sensor 202; Through the light receiver 201b of the first sensor 201 and second sensor 202,202b receives light respectively in installation process the moment, duration, form the type that the shading sequential of getting up to form is confirmed print cartridge like this; The same first sensor device 201 ', 201 that is applicable to ", 201 " ' and second sensor 202 ', 202 ", 202 " '.Consider in the present embodiment between two adjacent sensors and may produce interference of light; Therefore light emission part or the light receiver with adjacent two sensors is arranged together as far as possible; As shown in Figure 8 particularly; Light receiver 201 ' the b of light receiver 201b on the first sensor 201 on the print cartridge mounting portion 200 and first sensor 201 ' is arranged to adjacent; Light emission part 201 ' a and first sensor 201 with first sensor 201 ' " light emission part 201 " b be arranged to adjacent, with first sensor 201 " on light receiver 201 " b and first sensor 201 " ' light receiver 201 " ' b is arranged to adjacent; Be arranged to the light receiver 202 ' b of the light receiver 202b on second sensor 202 and second sensor 202 ' adjacent; With the 2 202 ' the light emission part 202 ' a and second sensor 202 " light emission part 202 " b be arranged to adjacent, with second sensor 202 " on light receiver 202 " b and second sensor 202 " ' light receiver 202 " ' b is arranged to adjacent.In order to use a kind of print cartridge to satisfy above-mentioned sensors of various types detection mode simultaneously, guarantee the versatility of print cartridge structure; Two reflective surfaces are set on shadow shield 22 to be necessary; For example prism perhaps pastes reflective sheeting etc. on its surface; So just make the light of light emission part 26 emissions on the print cartridge on light-emitting area, to launch, preferably with the angle adjustment of light-emitting area for making the light emission part that total reflection can take place; Can the light on the illuminating part 26 be reflexed to two sides of print cartridge through above-mentioned two reflective surfaces; The light receiver on the tube sensor is not positioned at the left side or the right side of print cartridge like this, and the light that illuminating part 26 sends on the print cartridge can be received by the light receiver on the sensor.Certainly the quantity of sensor is not limited to 4 of foregoing description, can also be provided with on the print cartridge with printer on the corresponding light emission part of first sensor, can obtain more ink tank information like this.

Certainly can also connecting circuit 9 be connected with a control module; This control module is provided with preset program; After print cartridge was mounted to printer like this, above-mentioned luminescence process produced automatically, perhaps at firing switch of cartridge case outer setting; Light-emitting procedure in this switch starting control module makes control intelligent more.

The embodiment of certain the utility model is not limited to above-mentioned, and those skilled in the art belong to the protection domain of the utility model not through the modification of performing creative labour to technique scheme.

Claims

1. cartridge of ink-jet printer, comprising: ink storage chamber is used to store the ink that is supplied to printer; Ink outlet port, ink is supplied to printer through this ink outlet port, it is characterized in that, also comprises the illuminating part and the reflective surface that are arranged at the print cartridge antetheca, and said reflective surface can reflex to the light that said illuminating part sends the both sides of print cartridge.

2. cartridge of ink-jet printer as claimed in claim 1; It is characterized in that; Also comprise shadow shield, said shadow shield can block or change light that the photophore in the printer sends fully so that the light that photophore sends loses the effect of printer inner sensor and light belt that said illuminating part is sent disturbs.

3. cartridge of ink-jet printer as claimed in claim 2 is characterized in that said reflective surface is arranged on the said shadow shield.

4. cartridge of ink-jet printer as claimed in claim 1 is characterized in that, also comprises controller and connecting circuit, and said controller is connected with said illuminating part through said connecting circuit.

5. cartridge of ink-jet printer as claimed in claim 2 is characterized in that, said controller is controlled said illuminating part and sent and be used for being received the light to judge that installation is whether successful by the sensor of printer.

6. cartridge of ink-jet printer as claimed in claim 3 is characterized in that, said controller is a trigger switch, and said trigger switch comprises slide block, is arranged at contact one and contact two on the said illuminating circuit; Said slide block be provided with one can the said trigger switch of conducting contact one with the end of contact two, in print cartridge installation process, said slide block can move between the two positions; And when the primary importance and the second place, contact one is in off-state with contact two, and during intermediateness between the primary importance and the second place, whether switch is in conducting state, luminous with the control illuminating part.

7. cartridge of ink-jet printer as claimed in claim 6 is characterized in that, said contact one is respectively the two-end-point on first contact on the illuminating circuit with contact two.

8. cartridge of ink-jet printer, comprising: ink storage chamber is used to store the ink that is supplied to printer; Ink outlet port, ink is supplied to printer through this ink outlet port, it is characterized in that, and described print cartridge both sides are provided with illuminating part.