CN202428817U

CN202428817U - Ink box for ink-jet printer

Info

Publication number: CN202428817U
Application number: CN2011205601622U
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 box for an ink-jet printer, which comprises an ink reservoir, an ink outlet and a remaining ink amount detection part, wherein the ink reservoir is used for storing ink; the ink outlet supplies ink to the ink-jet printer; the remaining ink amount detection part comprises a control mechanism, a connection circuit and a warning mechanism; the control mechanism is relevant to the remaining ink in the ink reservoir; the warning mechanism is connected with the control mechanism through the connection circuit; the amount of remaining ink in the ink reservoir is smaller than the set value, the warning mechanism gives out a warning signal; at least one side wall of the ink reservoir is covered with a deformable thin film; the control mechanism is a circuit switch; the circuit switch is turned on/off according to the mobile distance of the deformable thin film; and the on-off state of the circuit switch controls the warning mechanism to/not to give out the warning signal. The ink box for the ink-jet printer solves the technical problem that the detection result of the remaining ink amount is inaccurate, which is caused by the reason that a floating part of the remaining ink amount detection part in the ink box for the conventional ink-jet printer is easily affected by bubbles, and moreover, the ink in the ink reservoir does not influence the circuit switch, so that the detection result is more accurate.

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 a shading light part; Shading light part 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 shading light part 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 shading light part 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 light shielding part still is positioned on the position of blocking printer inner sensor light transmission path.So just cause the ink remaining amount testing result inaccurate, possibly not have ink in the print cartridge more specifically, but light shielding part also is in the position of blocking printer inner sensor light transmission path, is easy to burn out printhead like this.

A kind of solution to the problems described above; CN101480879 is said like patent; Inside print cartridge, be provided with a trigger switch is set in the ink storage chamber; This trigger switch is connected with an electroluminescent lamp, is off-state when ink is not used up in ink storage chamber, is on-state when ink is used up in ink storage chamber.But in this technical scheme, have a problem, ink itself has certain electric conductivity, and the trigger switch in the ink storage chamber also possibly corroded by ink.

The utility model content

The utility model provides a kind of cartridge of ink-jet printer, receives aeration to cause the inaccurate technical problem of ink remaining amount testing result easily with the floating member that solves ink surplus detection part in the existing cartridge of ink-jet printer.

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; Comprise: be used for the ink storage chamber of storage ink, to the ink outlet port and the ink surplus detection part of said printer supply ink; Said ink surplus detection part comprise with said storage chamber in the residual ink amount controlling organization, the connecting circuit that are associated and link to each other with said controlling organization through said connecting circuit the ink surplus is less than predetermined value in said ink storage chamber the time produce the caution mechanism of alarm signal; At least one sidewall of said storage chamber is made up of deformable film; It is characterized in that said controlling organization is a contactor, said contactor is arranged on the ink storage chamber outside; And said contactor is controlled the on off operating mode of said contactor by the displacement of said deformable film, and whether the said caution of the on off operating mode control mechanism of said contactor produces alarm signal.

Said contactor is the sliding-type switch, and the said sliding-type switch of the mobile drive of said deformable film slides and realizes the break-make of said sliding-type switch.Particularly, the sliding-type switch on the print cartridge is provided with two contacts for an end on a flexible PCB, an end relative with the contact is arranged on the fexible film surface; When quantity of ink reduces in the ink storage chamber like this; Must drive moving of contact, when quantity of ink in the ink storage chamber during less than predetermined value, the position that the contact arrives is provided with a power spring silk; With two contact conductings, warn mechanism like this and can produce an alarm signal.

Said contactor is the contact contact-making switch, and the contact separation of the said contact of the mobile drive contact-making switch of said deformable film or contact realize the break-make of said contact contact-making switch.Particularly, this print cartridge is provided with a lever, and an end of lever is arranged on the ink bag surface; And the other end has been arranged on current-carrying part, and this current-carrying part can be with two contact conductings on this contact contact-making switch, and these two contacts are connected to caution mechanism; Therefore when quantity of ink in the ink storage chamber during less than predetermined value; Variable film drives lever one end and moves to the direction of fexible film depression, and the other end moves in the other direction, with two contact conductings.

Said caution mechanism is photophore or loudspeaker.

Said print cartridge also comprises the installation detection part, and it is interrelated that said installation detection part and said surplus detect detection part.

Said installation detection part installation detection part carries out related through connecting circuit and surplus detection part, and only the installation detection part detect accomplish after, warn mechanism on the said surplus detection part and could produce alarm signal.

A kind of cartridge of ink-jet printer; Comprise: be used for the ink storage chamber of storage ink, to the ink outlet port and the ink surplus detection part of said printer supply ink; It is characterized in that; Said ink surplus detection part comprise with said storage chamber in residual ink amount controlling organization that is associated and the ink surplus indication mechanism in said ink storage chamber that links to each other with said controlling organization; At least one sidewall of said storage chamber is made up of deformable film; Said controlling organization is a swept resistance, and said swept resistance is controlled the resistance of said swept resistance by the displacement of said deformable film, and said indication mechanism shows the surplus of ink in the said ink storage chamber according to the resistance of said swept resistance.

Said ink surplus detection part also comprises caution mechanism, when the surplus of ink is less than predetermined value in said indication mechanism shows said ink storage chamber through said caution mechanism generation alarm signal.

Said caution mechanism is photophore or loudspeaker.

After having adopted technique scheme, because controlling organization is a contactor, contactor is by the on off operating mode of the displacement control circuit switch of said deformable film, and whether the said caution of the on off operating mode of contactor control mechanism produces alarm signal.Quantity of ink changes in the ink storage chamber of print cartridge, can directly have influence on the variable film of sidewall, and the distortion of this film directly has influence on the break-make of contactor; Can detect ink remaining amount in the print cartridge so accurately and timely.Cancelled floating member, the floating member that has solved ink surplus detection part in the existing cartridge of ink-jet printer receives aeration to cause the inaccurate technical problem of ink remaining amount testing result easily.And ink can not impact contactor in the ink storage chamber, and testing result is more accurate.

Simultaneously; Since ink surplus detection part comprise with storage chamber in residual ink amount controlling organization that is associated and the ink surplus indication mechanism in ink storage chamber that links to each other with controlling organization; At least one sidewall of storage chamber is made up of deformable film; Controlling organization is a swept resistance, and swept resistance is by the resistance of the displacement control swept resistance of deformable film, and indication mechanism shows the surplus of ink in the ink storage chamber according to the resistance of swept resistance.Can show ink remaining amount in the print cartridge in real time, make the user to understand clearer the ink remaining amount in the print cartridge.

Description of drawings

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

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

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

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

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;

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

The structural representation that relates to print cartridge for the utility model embodiment two shown in Figure 7;

The decomposing schematic representation that relates to print cartridge for the utility model embodiment two shown in Figure 8;

Shown in Figure 9 is cutaway view on the A-A direction shown in Figure 1;

Shown in Figure 10 is cutaway view on the B-B direction shown in Figure 1;

Shown in Figure 11ly relate to board structure of circuit sketch map in the print cartridge for the utility model embodiment two;

The structural representation that relates to slide block in the print cartridge for the utility model embodiment two shown in Figure 12;

The structural representation that relates to lever in the print cartridge for the utility model embodiment two shown in Figure 13;

The operation principle sketch map that relates to connecting circuit in the print cartridge for the utility model embodiment two shown in Figure 14;

Shown in Figure 15 is the structural representation of the utility model embodiment two print cartridge installation portions;

Shown in Figure 16 is sensor construction sketch map in the utility model embodiment two print cartridge installation portions;

Shown in Figure 17 is that the utility model embodiment two print cartridges are installed to the structural representation in the print cartridge installation portion;

The cutaway view that relates to print cartridge for the utility model embodiment three shown in Figure 180;

The cutaway view that relates to print cartridge for the utility model embodiment three shown in Figure 19;

The said sketch map that relates to connecting circuit in the print cartridge for the utility model embodiment four of Figure 20.

Reference numeral

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.

Embodiment one

As scheme l and be depicted 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 l 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 photophore 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 photophore 26 are supplied power.Controller control photophore 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 photophore; Whether the not control program of subject printer control, trigger switch slide luminous with control photophore 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, photophore 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 photophore 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 ink cartridges 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 photophore 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 ink cartridges 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 from the light on the photophore 26, the light that then photophore 26 is sent reflexes to two sides of print cartridge; If certainly two photophores 26 being set is connected with connecting circuit 9; Promptly a photophore 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 a photophore 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 position 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.

The ink surplus detection part of print cartridge comprise with storage chamber in the residual ink amount controlling organization, the connecting circuit that are associated and link to each other with controlling organization through connecting circuit the ink surplus is less than predetermined value in ink storage chamber the time produce the caution mechanism of alarm signal; At least one sidewall of storage chamber is made up of deformable film; Controlling organization is a contactor; Contactor is by the on off operating mode of the displacement control circuit switch of deformable film, and whether the on off operating mode of contactor control caution mechanism produces alarm signal.Second switch on said contactor to the print cartridge.

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 be arranged to can folding, can battery be arranged in the flexible PCB behind this folding like this; The photophore 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 photophore 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 photophore 26 power supply is provided; After this flexible PCB was assembled into assembly 31, the partially flexible circuit board folding at

electrode contacts

28a, 28b place became and button cell shape shapes similar; 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 behind the flexible PCB 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 on the connecting circuit 9 the

first contact

91a, 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 on the connecting circuit 9 the

first contact

91a, 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, and 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); Power spring silk 30a is with the first contact 91a and the first contact 91b conducting; Trigger switch is with photophore 26 conductings like this, and photophore 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 light emission 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 photophore 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 photophore 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 the first contact 91a, 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 that the

first contact

91a, 91b break off; And between the primary importance and the second place, be provided with an intermediateness; When this intermediateness; The

first contact

91a, 91b conducting 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; The cardinal principle of this print cartridge is: a sliding-type switch is set on print cartridge, and this sliding-type switch is provided with two contacts for an end on a flexible PCB, and an end relative with the contact is arranged on the fexible film surface; When quantity of ink reduces in the ink storage chamber like this; Must drive moving of contact, when quantity of ink in the ink storage chamber during less than predetermined value, the position that the contact arrives is provided with a power spring silk; With two contact conductings, warn mechanism like this and can produce an alarm signal.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, photophore 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 information feedback in the ink storage chamber 4.Certainly do not considering under the condition of cost, can photophore 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; Photophore 26, this photophore 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 photophore 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 the mode of folding; The flexible circuit folding is become 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 carried out folding; 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 the mode mounting circuit boards through folding, can reduce circuit board material, reduce cost.

In addition, in the present technique scheme surplus detection part is arranged on outside the ink storage chamber, makes the interior ink of ink storage chamber can not impact contactor, testing result is more accurate.

Embodiment two

Be illustrated in figure 7 as the structural representation that the utility model embodiment two relates to print cartridge, the decomposing schematic representation that relates to print cartridge for the utility model embodiment two shown in Figure 8.This print cartridge 1 comprises housing 2, projection 3, ink storage chamber 4, hollow circuit cylinder 5, ink outlet port 6, slide block 7, spring 8, connecting circuit 9, helical spring 11, lever 12, fexible film 25, photophore 26, cover 13.Projection 3 is arranged to extend from housing 2 front end surface along print cartridge 1 installation direction, and is arranged to block the perhaps light transmission route (following detailed description) of printer inner sensor; Ink storage chamber 4 be arranged on can in, and be arranged to store the ink that is supplied to printer; The cylinder 51/52/53/54 of four hollows is arranged to cooperate with cover 13; Ink outlet port 6 is arranged to the ink feed in the ink storage chamber 4 to printer; Slide block 7 is arranged to and can in along with print cartridge 1 installation process, be moved with respect to the print cartridge front end face; Spring 8 is arranged to cooperate with slide block 7, and is made print cartridge under nature, and slide block 7 is urged to the precalculated position, plays the function that resets to slide block 7; Connecting circuit 9 be arranged to can according to slide at slide block 7 predetermined with in, with the connecting circuit conducting, produce an optical signal that presets, can launch the light of the scheduled time, brightness, intensity, frequency such as connecting circuit, can be visible light and infrared ray; Fexible film 25 is arranged to the part of inking chamber 4, and passes through an opening of these fexible film 25 seal casinghousings 2, just can form the ink storage chamber 4 in the utility model; Helical spring 11 is arranged in the inking chamber, is used for supporting flexible film 25; Lever 12; One end is arranged to fit with fexible film 25; The other end is arranged to make the contact on the conducting connecting circuit 9, makes when the ink surplus is reduced to scheduled volume in inking chamber 4, and the photophore 26 that links to each other with connecting circuit 9 can emit beam; Printer is according to the optical information of connecting circuit feedback, and the prompting user changes print cartridge; Cover 13, be arranged to housing on hollow circuit cylinder 5 cooperate, make that slide block 7, lever 12, fexible film 25 can be because of extraneous damaged in collision at least.

Specify the architectural feature of print cartridge below in conjunction with Fig. 7-Figure 10, shown in Figure 9 is cutaway view on the A-A direction shown in Figure 7, and shown in Figure 10 is cutaway view on the B-B direction shown in Figure 7; Housing 2 is provided with boss 15/16, draw-in groove 151, baffle plate 17, guide rail 18, shadow shield 22, connecting circuit installation portion 19, reference column 20/21, inwall 23.Along extending perpendicular to the print cartridge installation direction, and boss 15 is provided with draw-in groove 151 to boss 15/16, is used for cooperating with lever 12, makes lever 12 in draw-in groove, to rotate from the inwall of housing, and boss 16 is provided with same draw-in groove (not shown); Baffle plate 17 is arranged on the position corresponding with the printer abutting part, make spring 8 an end can with these baffle plate 17 butts; 1 installation direction extends conduit 18 from baffle plate 17 along print cartridge, makes slide block 7 on print cartridge 1 installation direction in these guide rail 18 upper edges and slides; Shadow shield 22 is positioned at the anterior middle-end of print cartridge, can stop or change light transmission path on the printer inner sensor, and another effect of this shadow shield 22 is with coupling together with the print cartridge lower end on the print cartridge, preventing housing distortion; Connecting circuit installation portion 19 is positioned on the shadow shield 22, and this connecting circuit installation portion 19 is provided with two

reference columns

20,21, cooperates respectively at the locating hole on the connecting circuit 9, makes being installed on the housing 2 that connecting circuit 9 can be stable; Inwall 23 is located at shadow shield 22 and is connected, and at least a portion of this connecting circuit 9 is arranged on this inwall 23, preferably inwall 23 is arranged to shadow shield 22 certain angle of inclination is arranged in the present technique scheme.

Shown in Figure 11 for the utility model relates to board structure of circuit sketch map in the print cartridge, shown in Figure 14 is the operation principle sketch map of connecting circuit in the utility model print cartridge; This connecting circuit 9 shown in figure 11 comprises the first contact 91a, 91b, the second contact 92a, 92b, first locating hole, 101, the second locating holes 102.Circuit shown in Figure 14 comprises power supply, lamp (being photophore 26), first switch (being the first contact 91a, the 91b among the embodiment one), second switch (being a kind of second contact 92a, 92b of embodiment).Power supply is set directly on the print cartridge 1, and what preferentially adopt is dc source, such as battery, dry cell etc., directly is connected on two contacts of connecting circuit 9, to photophore 26 power supplies; First switch is provided with two first contact 91a, 91b, and second switch is provided with two second contact 92a, 92b, and first switch and second switch are arranged to parallel way; When an end of slide block 7 moved to first switch, first switch was switched on, and lamp will be luminous like this; Same second switch is switched on when an end of lever 12 moves on the second switch, and lantern festival is luminous.

The structural representation that relates to slide block in the print cartridge for the utility model shown in Figure 12; This slide block 7 comprises sliding part 71, end 72, connecting portion 73.Sliding part 71 is arranged to move around on the print cartridge installation direction along print cartridge 1 interior guide rail 18, on the end 72 conductive material is arranged, and being arranged to can be with the first contact 91a, the 91b conducting on the connecting circuit 9.The structural representation that relates to lever in the print cartridge for the utility model shown in Figure 13; This lever comprises end 121,122, connecting portion 123,124, rotation section 125.End 121 is arranged to stick on fexible film 25 outer surfaces, and lever just can move along with moving of fexible film 25 like this, rotation section 125 be arranged to housing 2 on draw-in groove 151 couplings; Make that lever 12 can be around these rotation section 125 rotations; When moved in inking chamber along with fexible film 25 end 121, end 122 just can the edge be moved opposite direction with end 121 and is moved, and promptly move towards the second switch that connecting circuit 9 is housed end 122; And end 122 is provided with conductive material; When the quantity of ink in inking chamber 4 was less than predetermined value like this, the end 122 of lever 12 was with the second switch conducting, and connecting circuit 9 just can be luminous.

Specify the testing process of print cartridge installation process below in conjunction with Fig. 7-Figure 17; Shown in Figure 15 is the structural representation of the utility model print cartridge installation portion, and shown in Figure 16 is sensor construction sketch map in the utility model print cartridge installation portion, shown in Figure 17ly is installed to the structural representation in the print cartridge installation portion for the utility model print cartridge; This print cartridge installation portion 200 comprises first sensor 201, second sensor 202, ink supply pin 203, abutting part 204, framework 205, lid 206.The first sensor 201 and second sensor 202 comprise light emission part and light receiver respectively; Light receiver is arranged to receive the light from the light emission part; Comprise light emission part 202a, light receiver 202b, the structural similarity of first sensor 201 like second sensor 202 among Figure 16; When occurring the reflecting part of occlusion part or similar prism in the middle of light emission part 202a and the light receiver 202b, light receiver 202b can not receive the light from light emission part 202a; Control assembly in the printer judges between first sensor 201, second sensor 202 according to the optical information of light receiver 202b feedback whether occlusion part or reflecting component are arranged; And first sensor 201 be arranged to print cartridge 1 on the position of projection 3 corresponding, second sensor 202 be arranged to print cartridge 1 on connecting circuit 9 positions on the shutter 22 corresponding; Ink outlet port 6 couplings on 203 settings of ink supply pin and the print cartridge 1, and pass through this ink supply pin 203 with the printhead on ink feed to the printer in the ink storage chamber 4, thus the completion printing; Abutting part 204 is in the time of in print cartridge is mounted to printer, with the butt of slide block 7 on the print cartridge.

The ink remaining amount of this print cartridge detects principle: print cartridge is provided with a lever, and an end of lever is arranged on the ink bag surface, and the other end has been arranged on current-carrying part; And this current-carrying part can be with two contact conductings on this contact contact-making switch; Therefore and these two contacts are connected to caution mechanism, and when quantity of ink ink storage chamber in during less than predetermined value, variable film drive lever one end moves to the direction that fexible film caves in; And the other end moves in the other direction, with two contact conductings.

Print cartridge 1 is under nature, and slide block 7 receives the effect of spring 8, on the print cartridge installation direction, is positioned at the left side of the first contact 91a/91b; When being full of ink in the inking chamber 4, lever 12 is under fexible film 25 surface actions, and the position of the second contact 92a/92b is departed from end 122, and the lamp in the connecting circuit 9 is in the state of disconnection like this, can be not luminous.When print cartridge 1 is mounted in the printer; The radiative path of light emission part that the shutter 22 of the anterior middle-end of print cartridge at first blocks second sensor 202 in the printer, the projection 3 of print cartridge nock is blocked the radiative path of light emission part of first sensor 201 in the printer then.Go deep into along with what print cartridge 1 was installed, sliding part 71 butts of the slide block 7 on abutting part 204 and the print cartridge 1 are when print cartridge 1 is installed like this; Slide block 7 will extrusion spring 8, and slide block 7 is with respect to the print cartridge antetheca, moves to the direction of baffle plate 17; Near baffle plate 17, be positioned on the first contact 91a/91b until end 72 more, such first switch is with regard to conducting; Lamp on the connecting circuit 9 will be luminous, and the light receiver 202b on second sensor 202 in the printer just can receive the light from print cartridge like this.Along with the further installation of print cartridge, on the print cartridge installation direction, the end 72 of slide block 7 moves to the right side of the first contact 91a/91b, and first switch breaks off once more, and connecting circuit 9 is not luminous like this; In the whether luminous process of photophore 26, producing one can be by the optical signal of printer identification, and certain this optical signal can realize that batch (-type) repeatedly is luminous through on connecting circuit 9, increasing several similar switches; Through the relative distance of adjusting slider 7 with abutting part 204; Such as luminous moment of photophore 26 can early than projection 3 block first sensor 201 time, can to block moment of first sensor 201 in the printer identical or be later than projection 3 and block first sensor 201 light transmission paths with projection 3; Can also control the luminous time; Such as the length of the conductive material that passes through control slide block 7 upper ends 72 and the elastic force size of spring 8; Can control the photoemissive time, can also control the type of light, such as the light of selecting different frequency, wavelength and intensity; Can be thereby the light receiver of guaranteeing the printer upper sensor can receive one by the optical signal that presets of printer identification; Avoid because of print cartridge is detected by printer passively, possibly cause accurately that print cartridge can not be identified, the problem that can't continue to print; The above-mentioned print cartridge installation process of blocking can be with reference to patent CN102001229.

Ink surplus in ink storage chamber 4 detects and can realize through lever 12, fexible film 25 and connecting circuit 9.Under the nature, the connecting circuit 9 that is provided with second switch is arranged to depart from the end 122 of lever 12; Quantity of ink is along with the minimizing of printing in print cartridge; Lever 12 interior mobile towards inking chamber 4 with ends 121 fexible film 25 applyings; End 122 just can 125 directions towards inwall 23 be moved around the rotation section like this, when the quantity of ink in the inking chamber 4 is decreased to scheduled volume, end 125 just with connecting circuit 9 in the second contact 92a/92b contact; Through the conductive material on the end 125 with the second switch conducting; Lamp will be luminous in the connecting circuit 9 like this, the light receiver 202b of second sensor 202 can receive from light, and give printer with this information feedback; The control part of printer can judge that according to this information quantity of ink is lower than predetermined value in the print cartridge, and the prompting user prepares to change print cartridge.In addition, in the present technique scheme surplus detection part is arranged on outside the ink storage chamber, makes the interior ink of ink storage chamber can not impact contactor, testing result is more accurate.

Embodiment three

The cutaway view that relates to print cartridge for the utility model embodiment three shown in Figure 180; The difference that this print cartridge and embodiment one relate to print cartridge is; The length of the second contact 92b on the said flexible PCB; And between photophore and the second contact 92a, 92b, be provided with a plurality of and contact parallel resistor (not shown), and a cutaway view of print cartridge shown in Figure 18 (a) like this, Figure 18 (b) is the local enlarged diagram of Figure 18 (a).The ink surplus detection part of this print cartridge comprise with storage chamber in residual ink amount controlling organization that is associated and the ink surplus indication mechanism in said ink storage chamber that links to each other with controlling organization; At least one sidewall of storage chamber is made up of deformable film; Controlling organization is a swept resistance; Swept resistance is by the resistance of the displacement control swept resistance of above-mentioned deformable film, and indication mechanism shows the surplus of ink in the said ink storage chamber according to the resistance of swept resistance.Concrete, power spring silk 30b is the second contact 92a, 92b conducting on the flexible PCB, and is provided with a plurality of parallel resistor between second contact; Constitute a swept resistance like this, when power spring silk 30b conducting contact 92a, 92b diverse location, second switch is different with photophore place resistance in circuit value like this; Electric current is also different, and light intensity changes difference like this, through the variation of luminous intensity; Can accurately detect ink remaining amount amount in the print cartridge, such as 10%, 20%, 30% ..., perhaps pass through loudspeaker; When different electric current, sound is different; Then these information are shown through the display part on the print cartridge; Embody through current parameters the display part; Also can be with a circuit parameter variations feedback printer in the circuit, the display part on printer directly goes out ink remaining amount in the print cartridge through liquid crystal display displays.When the quantity of ink in the ink storage chamber 4 during less than predetermined value, can inform the user through caution mechanism, caution mechanism also can be light or loudspeaker.Quantity of ink in the ink storage chamber 4 of print cartridge can accurately be detected like this.

The cutaway view that relates to print cartridge for the utility model embodiment three shown in Figure 19; This print cartridge is identical with the effect among Figure 18; All be in order accurately to detect ink remaining amount in the print cartridge; Difference is that 30b is provided with a plurality of contacts with the power spring silk, respectively the second contact 92a, the 92b on the conducting flexible PCB.Figure 19 (b) is depicted as the local enlarged diagram of Figure 19 (a), and shown in Figure 19 (b), power spring silk 30b is provided with a plurality of contacts can be with second contact 92a, the 92b of these contacts on can the conducting flexible PCB; And when the different contacts conducting

second contact

92a, 92b, photophore 26 is different with resistance value between the second contact 92a, the 92b, the principle of the similar slide rheostat of this structure; Through this structure, along with quantity of ink in the print cartridge reduces, in the second contact 92a, the 92b moving process; Current value in the circuit is different; Photophore 26 radiative intensity are different, and are identical with effect structure among Figure 18, can accurately point out ink remaining amount in the print cartridge.

Embodiment four

The said sketch map that relates to connecting circuit in the print cartridge for the utility model embodiment four of Figure 20.It is interrelated that this scheme makes that on the basis of embodiment 1 print cartridge installation detection part and said surplus detect detection part.Said installation detection part installation detection part carries out related through connecting circuit and surplus detection part, and only the installation detection part detect accomplish after, warn mechanism on the said surplus detection part and could produce alarm signal.Particularly; First switch and second switch in the connecting circuit 9 improve, and it is related that first switch and second switch are carried out, through the mode of this association; Print cartridge has only when correctly being mounted in the printer; Second switch just can carry out the ink surplus and detect, and avoids in transportation or user's maloperation before using causes making the second switch conducting, the power supply on the waste print cartridge.Concrete embodiment is: on first switch, set up a contact 91c; Print cartridge is in that embodiment is a kind of when being in state shown in Figure 9; Two contact conductings of 91a and 91c (when first switch is in position C); Second switch just works like this, otherwise the loop at second switch place always is in off-state (when switch is in position A and B).This connecting circuit 9 can adopt flexible circuit to support equally, and a kind of folding mode of production method and embodiment is identical.

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

Claims

1. cartridge of ink-jet printer; Comprise: be used for the ink storage chamber of storage ink, to the ink outlet port and the ink surplus detection part of said printer supply ink; Said ink surplus detection part comprise with said storage chamber in the residual ink amount controlling organization, the connecting circuit that are associated and link to each other with said controlling organization through said connecting circuit the ink surplus is less than predetermined value in said ink storage chamber the time produce the caution mechanism of alarm signal; At least one sidewall of said storage chamber is made up of deformable film; It is characterized in that; Said controlling organization is a contactor; Said contactor is arranged on the ink storage chamber outside, and said contactor controls the on off operating mode of said contactor by the displacement of said deformable film, and whether the said caution of the on off operating mode control mechanism of said contactor produces alarm signal.

2. cartridge of ink-jet printer as claimed in claim 1 is characterized in that, said contactor is the sliding-type switch, and the said sliding-type switch of the mobile drive of said deformable film slides and realizes the break-make of said sliding-type switch.

3. cartridge of ink-jet printer as claimed in claim 1; It is characterized in that; Said contactor is the contact contact-making switch, and the contact separation of the said contact of the mobile drive contact-making switch of said deformable film or contact realize the break-make of said contact contact-making switch.

4. like claim 2 or 3 described cartridge of ink-jet printer, it is characterized in that said caution mechanism is photophore or loudspeaker.

5. cartridge of ink-jet printer as claimed in claim 1 is characterized in that said print cartridge also comprises the installation detection part, and it is interrelated that said installation detection part and said surplus detect detection part.

6. cartridge of ink-jet printer as claimed in claim 5; It is characterized in that; Said installation detection part installation detection part carries out related through connecting circuit with the surplus detection part; And only after the installation detection part detected completion, caution mechanism could produce alarm signal on the said surplus detection part.

7. cartridge of ink-jet printer; Comprise: be used for the ink storage chamber of storage ink, to the ink outlet port and the ink surplus detection part of said printer supply ink; It is characterized in that; Said ink surplus detection part comprise with said storage chamber in residual ink amount controlling organization that is associated and the ink surplus indication mechanism in said ink storage chamber that links to each other with said controlling organization; At least one sidewall of said storage chamber is made up of deformable film; Said controlling organization is a swept resistance, and said swept resistance is controlled the resistance of said swept resistance by the displacement of said deformable film, and said indication mechanism shows the surplus of ink in the said ink storage chamber according to the resistance of said swept resistance.

8. cartridge of ink-jet printer as claimed in claim 7; It is characterized in that; Said ink surplus detection part also comprises caution mechanism, when the surplus of ink is less than predetermined value in said indication mechanism shows said ink storage chamber through said caution mechanism generation alarm signal.

9. cartridge of ink-jet printer as claimed in claim 8 is characterized in that, said caution mechanism is photophore or loudspeaker.