CN103182848A - Ink box for ink-jet printer - Google Patents
Ink box for ink-jet printer Download PDFInfo
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- CN103182848A CN103182848A CN2011104472385A CN201110447238A CN103182848A CN 103182848 A CN103182848 A CN 103182848A CN 2011104472385 A CN2011104472385 A CN 2011104472385A CN 201110447238 A CN201110447238 A CN 201110447238A CN 103182848 A CN103182848 A CN 103182848A
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Abstract
The invention relates to an ink box for an ink-jet printer, which comprises an ink storing cavity for storing ink, an ink outlet for providing the ink to the printer, and an ink surplus detection component, wherein the ink surplus detection component comprises a control mechanism relevant to ink surplus in the ink storing cavity, a connecting circuit, and a caution mechanism connected with the control mechanism by the connecting circuit and generating a caution signal when the ink surplus in the ink storing cavity is less than a predetermined value; at least one side wall of the ink storing cavity is formed by a deformable film; the control mechanism is a circuit switch; the circuit switch controls an on-off state of the circuit switch through a displacement distance of the deformable film; and the on-off state of the circuit switch controls the caution mechanism to generate the caution signal or not. The ink box solves the technical problem that a detection result of the ink surplus is not accurate due to the fact that a floating component of an ink surplus detection component in the existing ink box for the ink-jet printer is affected by bubbles easily. In addition, the ink in the ink storing cavity cannot affect the circuit switch, so that the detection result is more accurate.
Description
Technical field
The present invention relates to a kind of cartridge of ink-jet printer.
Background technology
Inkjet printing more and more is subjected to 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, if there is not ink in the printhead for a long time, may burn out printhead.
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 by the detecting sensor vibration detects ink remaining amount in the print cartridge; It is very high that but this piezoelectric ceramic piece requires manufacture craft, and cost of manufacture is also very high.The another kind of mode that detects ink remaining amount in the print cartridge, by 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, movable part one end is floating part, 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 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.By 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 by shading light part detection ink remaining amount on the movable part, floating part is subjected to the ink surface influence of air bubbles easily on the movable part, 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, may 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, as described in patent CN101480879, inside print cartridge, arrange a trigger switch is set in the ink storage chamber, this trigger switch is connected with an electroluminescent lamp, being 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 may be corroded by ink.
Summary of the invention
The invention provides a kind of cartridge of ink-jet printer, be subjected to 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 present invention takes is:
A kind of cartridge of ink-jet printer, comprise: the ink storage chamber that is used for storage ink, ink outlet port and ink surplus detection part to described printer supply ink, described ink surplus detection part comprises the controlling organization that is associated with residual ink amount in the described storage chamber, connecting circuit with link to each other with described controlling organization by described connecting circuit the ink surplus is less than predetermined value in described ink storage chamber the time produce the caution mechanism of alarm signal, at least one sidewall of described storage chamber is made of deformable film, it is characterized in that, described controlling organization is contactor, described contactor is arranged on the ink storage chamber outside, and described contactor is controlled the on off operating mode of described contactor by the displacement of described deformable film, and whether the described caution of the on off operating mode control mechanism of described contactor produces alarm signal.
Described contactor is the sliding-type switch, the mobile break-make that drives the described sliding-type switch of described sliding-type switch slip realization of described deformable film.Particularly, sliding-type switch on the print cartridge is arranged 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 the movement 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.
Described contactor is the contact contact-making switch, the mobile contact separation of described contact contact-making switch or the break-make that contact realizes described contact contact-making switch of driving of described deformable film.Particularly, this print cartridge is provided with a lever, one 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 that fexible film caves in, and the other end is mobile in the other direction, with two contact conductings.
Described caution mechanism is photophore or loudspeaker.
Described print cartridge also comprises the installation detection part, and it is interrelated that described installation detection part and described surplus detect detection part.
Described installation detection part installation detection part is undertaken related by connecting circuit and surplus detection part, and only the installation detection part detect finish after, warn mechanism on the described surplus detection part and could produce alarm signal.
A kind of cartridge of ink-jet printer, comprise: the ink storage chamber that is used for storage ink, ink outlet port and ink surplus detection part to described printer supply ink, it is characterized in that, described ink surplus detection part comprise with described storage chamber in the residual ink amount controlling organization that is associated and the ink surplus indication mechanism in described ink storage chamber that links to each other with described controlling organization, at least one sidewall of described storage chamber is made of deformable film, described controlling organization is swept resistance, described swept resistance is controlled the resistance of described swept resistance by the displacement of described deformable film, and described indication mechanism shows the surplus of ink in the described ink storage chamber according to the resistance of described swept resistance.
Described ink surplus detection part also comprises caution mechanism, when the surplus of ink is less than predetermined value in described indication mechanism shows described ink storage chamber by described caution mechanism generation alarm signal.
Described caution mechanism is photophore or loudspeaker.
After having adopted technique scheme, because controlling organization is contactor, contactor is by the on off operating mode of the displacement control circuit switch of described deformable film, and whether the described 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 is subjected to 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 the 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 of deformable film, controlling organization is swept resistance, 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 to the ink remaining amount in the print cartridge.
Description of drawings
Figure 1 shows that the embodiment of the invention one relates to the structural representation of print cartridge;
Figure 2 shows that the embodiment of the invention one relates to the decomposing schematic representation of print cartridge;
Figure 3 shows that the embodiment of the invention one relates to the manufacturing process schematic diagram of print cartridge;
Figure 4 shows that the embodiment of the invention one relates to print cartridge installation process schematic diagram;
Figure 5 shows that the structural representation when the embodiment of the invention one relating to print cartridge quantity of ink is less than predetermined value in print cartridge;
Figure 6 shows that the embodiment of the invention one relates to the structural representation of connecting circuit on the print cartridge;
Figure 7 shows that the embodiment of the invention two relates to the structural representation of print cartridge;
Figure 8 shows that the embodiment of the invention two relates to the decomposing schematic representation of print cartridge;
Figure 9 shows that the cutaway view on the A-A direction shown in Figure 1;
Figure 10 shows that the cutaway view on the B-B direction shown in Figure 1;
Figure 11 shows that the embodiment of the invention two relates to board structure of circuit schematic diagram in the print cartridge;
Figure 12 shows that the embodiment of the invention two relates to the structural representation of slide block in the print cartridge;
Figure 13 shows that the embodiment of the invention two relates to the structural representation of lever in the print cartridge;
Figure 14 shows that the embodiment of the invention two relates to the operation principle schematic diagram of connecting circuit in the print cartridge;
Figure 15 shows that the structural representation of the embodiment of the invention two print cartridge installation portions;
Figure 16 shows that the sensor construction schematic diagram in the embodiment of the invention two print cartridge installation portions;
Figure 17 shows that the embodiment of the invention two print cartridges are installed to the structural representation in the print cartridge installation portion;
Figure 18 shows that the embodiment of the invention three relates to the cutaway view of print cartridge;
Figure 19 shows that the embodiment of the invention three relates to the cutaway view of print cartridge;
The described schematic diagram that relates to connecting circuit in the print cartridge for the embodiment of the invention four of Figure 20.
Reference numeral
The 1-print cartridge;
The 2-housing;
The 3-projection;
The 4-ink storage chamber;
5/51/52/53/54-hollow
The 6-ink outlet port;
Cylinder;
The 7-slide block;
The 71-sliding part;
The 72-end;
The 73-connecting portion;
The 8-spring;
The 9-connecting circuit;
91a/91b/91c-first contact;
92a/92b-second contact;
The 10/101/102-location
The hole;
The 11-helical spring;
The 12-lever;
The 121/122-end;
The 123/124-connecting portion
The 125-rotation section;
The 13-cover;
The 14-cylinder;
The 15/16-boss;
The 151-draw-in groove;
The 17-baffle plate;
The 18-guide rail;
The 19-connecting circuit is installed
Portion;
The 20/21-reference column;
The 22-shadow shield;
The 23-inwall;
The 25-fexible film
The 26-photophore;
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-location
Post;
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;
200-print cartridge installation portion;
The 201-first sensor;
202-second sensor;
203-ink supply pin;
The 204-abutting part;
The 205-framework;
The 206-lid;
202a/202b-light transmitting/receiving portion; The 901/902/903-through hole.
The specific embodiment
In order to make those skilled in the art better understand the present invention, below in conjunction with accompanying drawing embodiments of the invention are elaborated, all changes of not paying creative work and making on the technical program basis all belong to protection scope of the present invention.
Embodiment one
Be illustrated in figure 1 as the structural representation that the embodiment of the invention one relates to print cartridge, Figure 2 shows that the embodiment of the invention one relates to the decomposing schematic representation of print cartridge; 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 for printer and detect print cartridge whether installation detection part and the ink surplus detection part of successful installation, 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 by connecting circuit 9 are spring 8 and pass through connecting circuit 9 is the power supply that controller and photophore 26 are powered.Controller control photophore 26 sends for received to judge whether successful light of installation by the sensor of printer, controller is for independently controlling the trigger switch of photophore, the not control program of subject printer control, whether trigger switch slides 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 gives bias force of slide block in the direction opposite with the print cartridge installation direction; 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 by this connecting circuit; Power spring silk 30a/30b is arranged to can be respectively with the 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 slide block 7, spring 8, connecting circuit 9, power spring silk 30a/30b, shadow shield 22 can be linked together, and cooperates with the housing 2 of ink cartridges 1 then; Cover 13 is arranged on after the assembling of above-mentioned parts finishes, and will cover on the surface of housing 2, avoids above-mentioned parts and the external world to bump.
The manufacturing process schematic diagram that relates to print cartridge as Fig. 3 (a)～(h) for embodiment one.Fig. 3 (a) is depicted as the schematic diagram 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 photophore 26 is sent reflexes to two sides of print cartridge then; If certainly two photophores 26 being set is connected with connecting circuit 9, namely in two sides of assembly 31 photophore 26 is set respectively, also shadow shield 22 can be designed to a thin plate, when print cartridge 1 is 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, at above-mentioned shadow shield 22 prism is set, 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 schematic diagram 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, be respectively arranged with the auxiliary section 701,702 that cooperates with limiting section 311,312 on the assembly 31 at an end of chute 703 and middle part, auxiliary section 701,702 corresponding with limiting section 151,152 shape of cross section, 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 cooperates with two joint end 301a, 302a on the power spring silk 30a respectively, and joint end 301a, the 302a of power spring silk 30a are arranged to inside contraction, be slightly smaller than 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 power spring silk 30a can firmly be connected on the slide block 7; In order to guarantee that power spring silk 30a cooperates better with the first contact 91a, 91b on the connecting circuit 9, 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 the Access Division 701,702 on the slide block 7 need 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 by 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, therefore the first contact 91a and the first contact 91b on conducting or the disconnection connecting circuit 9 can claim that also this trigger switch is a trigger mechanism selectively; 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 by 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 of deformable film, controlling organization is 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.The second switch of described contactor to the print cartridge.
Fig. 3 (c) is depicted as on Fig. 3 (b) basis the schematic diagram that connecting circuit 9 is mounted on the assembly 31; This connecting circuit 9 preferably is made of flexible PCB, this flexible PCB is provided with the switch of two parallel connections, two contacts of first switch are the first contact 91a, 91b, two contacts of second switch are the second contact 92a, 92b, and the electrode contacts 28a that cooperates with the both positive and negative polarity of battery, 28b, also be provided with on the circuit board respectively with assembly 31 on reference column 313,314,315 through holes 901 that cooperate, 902,903, and this flexible PCB is comprising the second contact 92a at least, the part of 92b is arranged to a bifurcated 93, 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, 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 the movement of bifurcated 93 can make the second contact 92a, 92b moves, by the second contact 92a, the movement of 92b can detect the surplus of ink in the print cartridge, and the end of this bifurcated 93 is installed on the support portion 316 of assembly 31, and passes transversal 317 belows that are 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, battery can 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 the schematic diagram that power spring silk 30b is mounted to assembly 31 on Fig. 3 (c) basis, the structure of power spring silk 30b is different with the structure of power spring silk 30a, power spring silk 30b comprises a U-shaped upper surface, 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 the assembly 31 transversal 317, 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, contact jaw 301b, the 302b of power spring silk 30b and the insulated part butt on the flexible PCB prevent 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 by flexible circuit version and button cell 32 conductings like this, photophore 26 beginnings are luminous, light are emitted to two sides of print cartridge by 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, and the both positive and negative polarity of button cell contacts with electrode contacts 28a, 28b on the flexible PCB respectively, provides power supply to connecting circuit 9 and photophore 26; 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 similar shapes; Make button cell 32 firmly to be installed on the assembly 31.
Fig. 3 (f) be on the basis of Fig. 3 (e) with the first contact 91a, 91b on the flexible PCB upset after, be plugged into slide block 7 belows; Cooperate with reference column 313,314 on the assembly 31 respectively at the through hole 901,902 on the connecting circuit 9, by 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 and win contact 91a, 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 as shown in Figure 6.
The schematic diagram of Fig. 3 (g) for will on the basis of Fig. 3 (e) assembly 31 being mounted on the housing 2; Ink storage chamber 4 openings of this housing 2 are sealed by fexible film, and fill with ink in ink storage chamber 4, and ink outlet port 6 is equipped with seal valve; Also be provided with on this housing 2: rib 34a, the 34b that cooperates with draw-in groove 320,321 on the assembly 31 respectively, and rib 34a, 34b are provided with certain gradient, when installing like this, placing modules 31 has bigger space, and assembly 31 can be fixed when being mounted on the housing 2 fully well; The guide post 33a, the 33b that cooperate with hole 318,319 on the assembly 31, the main directing assembly 31 of this guide post 33a, 33b is mounted on the housing 2 more accurately and rapidly; And the location wall 35a, the 35b that cooperate with convergence part 322,323 on the assembly 31 respectively, 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 convergence part 322,323 tops of assembly 31 then.By the way, assembly firmly can 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) is described each parts of forming in order to explain this print cartridge structure; and non-limiting can only being finished by above-mentioned steps; do not pay 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, inject ink again in print cartridge, these all are the protection domains of the technical program.And the assembly 31 in the technical program 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 embodiment of the invention one and relates to print cartridge installation process schematic diagram; Be provided with first sensor 201 in the printer, second sensor 202, first sensor 201 and second sensor 202 all are optical pickocffs, 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 the print cartridge installation, 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 determined the relevant information of print cartridge on the optical pickocff.Be depicted as print cartridge 1 as Fig. 4 (a) and be mounted to the first interior state of 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 the second interior state of 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 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 interior third state of 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), 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, 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 light emission part 26 emissions 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, be arranged to these two reflective surfaces relative with photophore 22, the light of print cartridge 1 glazing emission part 12 emissions 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 print cartridge left side like this, light receiver is arranged on the print cartridge right side, still the light emission part is arranged on the print cartridge right side, light receiver is arranged on the print cartridge left side, and second sensor 202 can receive the light of print cartridge; Original line in the printer all can be blocked by this shadow shield 22 in addition, make second sensor 202 can receive the light from photophore 26 emissions on the print cartridge 1 better, the information that initiatively provides to printer of print cartridge can be received by printer 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 interior state of printer, print cartridge is mounted in the printer fully, shadow shield 22 on the print cartridge at first blocks or changes 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, 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 again.Light receiver in conjunction with the first sensor 201 among Fig. 4 (a)～(d) and second sensor 202 receives quarter light time, duration can be determined the type of print cartridge, that is to say that the power spring silk 30a on the slide block 7 can move between primary importance and the second place, primary importance and the second place all are the first contact 91a, the position that 91b disconnects, and between primary importance and the second place, be provided with an intermediateness, when this intermediateness, the first contact 91a, the 91b conducting, by predetermined set can so that intermediateness block along with print cartridge upper process 3 or change first sensor 201 smooth transmission routes in the printer, shadow shield 22 blocks or changes interior second sensor, the 202 smooth transmission routes of printer to be adjusted, and just can obtain polytype print cartridge; Make shading occur in sequence variation by adjusting the 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).
Figure 5 shows that the structural representation when the embodiment of the invention one relating to print cartridge quantity of ink is less than predetermined value in print cartridge; The cardinal principle of this print cartridge is: at print cartridge a sliding-type switch is set, this sliding-type switch arranges 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 the movement 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 made 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 contact jaw 301b, 302b direction on power spring silk 30b move; When the quantity of ink in the ink storage chamber 4 during less than predetermined value, the second contact 92a, 92b moves 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, the second contact 92b contacts with contact jaw 302b on the power spring silk 30b, 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 by 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 in shadow shield 22 both sides, just need two reflective surfaces be set at shadow shield 22; Under the situation that printer can change, can increase the light emission part according to printer inner sensor quantity.
Figure 6 shows that the embodiment of the invention one relates to the structural representation of connecting circuit on the print cartridge, Fig. 6 (a) is depicted as the embodiment of the invention one and relates to print cartridge connecting circuit structural representation before use, and Fig. 6 (b) is depicted as the embodiment of the invention one and relates to print cartridge connecting circuit structural representation in use.Shown in Fig. 6 (a), this connecting circuit 9 preferably is made 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 circuit in parallel, are connected with photophore 26 with electrode contacts 28a, 28b respectively; Cooperate with reference column on the assembly 31 respectively also being provided with through hole 901,902,903 on this flexible PCB, make flexible PCB can unexpectedly not slide being mounted on the print cartridge; In addition in order to save material, this flexible PCB is made as far as possible point-blank when producing, then along the dotted portion among Fig. 6 (a), flexible PCB is cut, the second contact 92a is arranged on the flexible PCB like this, bifurcated 93 1 ends of 92b are fixed on the flexible PCB main body, and the other end can move freely, the first same contact 91a, 91b can arrange equally like this, and because the deformation power of flexible PCB is better, can be by the mode of folding, the flexible circuit folding is become the shape of a button cell mounting groove, electrode contacts 28a, 28b lays respectively at the both sides of button cell 32, with the first contact 91a, the partially flexible circuit board of 91b carries 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 interior shape of 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 by folding, can reduce circuit board material, reduce cost.
In addition, in the technical program 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 embodiment of the invention two relates to print cartridge, Figure 8 shows that the embodiment of the invention two relates to the decomposing schematic representation of print cartridge.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 from housing 2 front-end surface along print cartridge 1 installation direction to extend, and is arranged to block or the 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 be moved with respect to the print cartridge front end face in along with print cartridge 1 installation process; 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 among the present invention; 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, make when the ink surplus is reduced to scheduled volume in inking chamber 4, 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 is arranged to cooperate with hollow circuit cylinder 5 on the housing, makes that slide block 7, lever 12, fexible film 25 can be because of extraneous damaged in collision at least.
Describe the architectural feature of print cartridge in detail below in conjunction with Fig. 7-Figure 10, Figure 9 shows that the cutaway view on the A-A direction shown in Figure 7, Figure 10 shows that the 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 to rotate in draw-in groove 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 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 to couple together with the print cartridge lower end on the print cartridge, to prevent 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 into 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 technical program.
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 by 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 of deformable film, controlling organization is 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.The second switch of described contactor to the print cartridge.
Figure 11 shows that to the present invention relates to board structure of circuit schematic diagram in the print cartridge, Figure 14 shows that the operation principle schematic diagram of connecting circuit in the print cartridge of the present invention; This connecting circuit 9 comprises the first contact 91a, 91b as shown in figure 11, 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 the first contact 91a, 91b, and second switch is provided with two the 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.
Figure 12 shows that the structural representation that the present invention relates to slide block in the print cartridge; This slide block 7 comprises sliding part 71, end 72, connecting portion 73.Sliding part 71 is arranged to move around at 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.Figure 13 shows that the structural representation that the present invention relates to lever in the print cartridge; This lever comprises end 121,122, connecting portion 123,124, rotation section 125.End 121 is arranged to be pasted together with fexible film 25 outer surfaces, lever just can move along with the movement of fexible film 25 like this, rotation section 125 be arranged to housing 2 on draw-in groove 151 coupling, make that lever 12 can be around these rotation section 125 rotations, when move in the inking chamber along with fexible film 25 end 121, end 122 just can be moved along moving opposite direction with end 121, be that 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 is less than predetermined value like this, the end 122 of lever 12 is with the second switch conducting, and connecting circuit 9 just can be luminous.
Describe the testing process of print cartridge installation process in detail below in conjunction with Fig. 7-Figure 17; Figure 15 shows that the structural representation of print cartridge installation portion of the present invention, Figure 16 shows that the sensor construction schematic diagram in the print cartridge installation portion of the present invention, Figure 17 shows that print cartridge of the present invention is installed to the structural representation in the print cartridge installation portion; This print cartridge installation portion 200 comprises first sensor 201, second sensor 202, ink supply pin 203, abutting part 204, framework 205, lid 206.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 as second sensor 202 among Figure 16; When the reflecting part of occlusion part or similar prism occurring 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 is arranged to corresponding with the position of projection 3 on the print cartridge 1, and second sensor 202 is arranged to corresponding with connecting circuit 9 positions on the shutter 22 on the print cartridge 1; Ink supply pin 203 arrange with print cartridge 1 on ink outlet port 6 couplings, and by this ink supply pin 203 with the printhead of the ink feed in the ink storage chamber 4 to the printer, thereby finish 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, one 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 is mobile in the other direction, with two contact conductings.
Print cartridge 1 is under nature, and slide block 7 is subjected to the effect of spring 8, is positioned at the left side of the first contact 91a/91b at the print cartridge installation direction; 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.Along with going deep into that print cartridge 1 is installed, sliding part 71 butts of the slide block 7 on abutting part 204 and the print cartridge 1, when print cartridge 1 was installed like this, slide block 7 will extrusion spring 8, and slide block 7 is with respect to the print cartridge antetheca, direction to baffle plate 17 moves, 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 disconnects again, and connecting circuit 9 is not luminous like this; In the whether luminous process of photophore 26, produce the optical signal that can be identified by printer, certain this optical signal can realize that batch (-type) repeatedly is luminous by increasing several similar switches at connecting circuit 9; By 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; Thereby can receiving one, the light receiver of guaranteeing the printer upper sensor can be preset optical signal by what printer was identified; Avoid because print cartridge is printed machine testing passively, may 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 by 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 contacts with the second contact 92a/92b in the connecting circuit 9, by 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 technical program 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
Figure 18 shows that the embodiment of the invention three relates to the cutaway view of print cartridge, the difference that this print cartridge and embodiment one relate to print cartridge is, the length of the second contact 92b on the described flexible PCB, and between photophore and the second contact 92a, 92b, be provided with a plurality of and contact parallel resistor (not shown), 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 the residual ink amount controlling organization that is associated and the ink surplus indication mechanism in described ink storage chamber that links to each other with controlling organization, at least one sidewall of storage chamber is made of deformable film, controlling organization is 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 described ink storage chamber according to the resistance of swept resistance.Concrete, power spring silk 30b is with the second contact 92a, 92b conducting on the flexible PCB, and be provided with a plurality of parallel resistor between second contact, constitute a swept resistance like this, like this when power spring silk 30b conducting contact 92a, 92b diverse location, second switch is different with photophore place resistance in circuit value, electric current is also different, light intensity changes difference like this, by 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, the sound difference; Then these information are shown by the display part on the print cartridge, embody by current parameters the display part, also can be with a circuit parameter variations feedback printer in the circuit, the display part on printer directly demonstrates ink remaining amount in the print cartridge by LCD.When the quantity of ink in the ink storage chamber 4 during less than predetermined value, can inform the user by 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.
Figure 19 shows that the embodiment of the invention three relates to the cutaway view of print cartridge, 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, 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), shown in Figure 19 (b), power spring silk 30b is provided with a plurality of contacts can be with the second contact 92a of these contacts on can the conducting flexible PCB, 92b, and the different contacts conducting second contact 92a, during 92b, photophore 26 and the second contact 92a, resistance value difference between the 92b, the principle of the similar slide rheostat of this structure, by this structure, along with quantity of ink in the print cartridge reduces, the second contact 92a, in the 92b moving process, the current value difference in the circuit, photophore 26 radiative intensity differences, identical with effect structure among Figure 18, can accurately point out ink remaining amount in the print cartridge.
Embodiment four
The described schematic diagram that relates to connecting circuit in the print cartridge for the embodiment of the invention four of Figure 20.It is interrelated that this scheme makes that on the basis of embodiment 1 print cartridge installation detection part and described surplus detect detection part.Described installation detection part installation detection part is undertaken related by connecting circuit and surplus detection part, and only the installation detection part detect finish after, warn mechanism on the described surplus detection part and could produce alarm signal.Particularly, first switch and second switch in the connecting circuit 9 are improved, make first switch carry out related with second switch, mode by 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: set up a contact 91c at first switch, 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.
Certain embodiments of the present invention are not limited to above-mentioned, and those skilled in the art at the modification of technique scheme, belong to protection scope of the present invention not passing through under the performing creative labour situation.
Claims (9)
1. cartridge of ink-jet printer, comprise: the ink storage chamber that is used for storage ink, ink outlet port and ink surplus detection part to described printer supply ink, described ink surplus detection part comprises the controlling organization that is associated with residual ink amount in the described storage chamber, connecting circuit with link to each other with described controlling organization by described connecting circuit the ink surplus is less than predetermined value in described ink storage chamber the time produce the caution mechanism of alarm signal, at least one sidewall of described storage chamber is made of deformable film, it is characterized in that, described controlling organization is contactor, described contactor is arranged on the ink storage chamber outside, and described contactor is controlled the on off operating mode of described contactor by the displacement of described deformable film, and whether the described caution of the on off operating mode control mechanism of described contactor produces alarm signal.
2. cartridge of ink-jet printer as claimed in claim 1 is characterized in that, described contactor is the sliding-type switch, the mobile break-make that drives the described sliding-type switch of described sliding-type switch slip realization of described deformable film.
3. cartridge of ink-jet printer as claimed in claim 1, it is characterized in that, described contactor is the contact contact-making switch, the mobile contact separation of described contact contact-making switch or the break-make that contact realizes described contact contact-making switch of driving of described deformable film.
4. as claim 2 or 3 described cartridge of ink-jet printer, it is characterized in that described caution mechanism is photophore or loudspeaker.
5. cartridge of ink-jet printer as claimed in claim 1 is characterized in that, described print cartridge also comprises the installation detection part, and it is interrelated that described installation detection part and described surplus detect detection part.
6. cartridge of ink-jet printer as claimed in claim 5, it is characterized in that, described installation detection part installation detection part carries out related by connecting circuit with the surplus detection part, and only after the detection of installation detection part was finished, caution mechanism could produce alarm signal on the described surplus detection part.
7. cartridge of ink-jet printer, comprise: the ink storage chamber that is used for storage ink, ink outlet port and ink surplus detection part to described printer supply ink, it is characterized in that, described ink surplus detection part comprise with described storage chamber in the residual ink amount controlling organization that is associated and the ink surplus indication mechanism in described ink storage chamber that links to each other with described controlling organization, at least one sidewall of described storage chamber is made of deformable film, described controlling organization is swept resistance, described swept resistance is controlled the resistance of described swept resistance by the displacement of described deformable film, and described indication mechanism shows the surplus of ink in the described ink storage chamber according to the resistance of described swept resistance.
8. cartridge of ink-jet printer as claimed in claim 7, it is characterized in that, described ink surplus detection part also comprises caution mechanism, when the surplus of ink is less than predetermined value in described indication mechanism shows described ink storage chamber by described caution mechanism generation alarm signal.
9. cartridge of ink-jet printer as claimed in claim 8 is characterized in that, described caution mechanism is photophore or loudspeaker.
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| CN201110447238.5A CN103182848B (en) | 2011-12-27 | 2011-12-27 | A kind of cartridge of ink-jet printer |
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| CN201110447238.5A CN103182848B (en) | 2011-12-27 | 2011-12-27 | A kind of cartridge of ink-jet printer |
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| CN103182848B CN103182848B (en) | 2015-11-25 |
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| CN104802521A (en) * | 2014-01-27 | 2015-07-29 | 贾彤 | Ink receiving vessel |
| CN105086025A (en) * | 2014-05-14 | 2015-11-25 | 中国石油天然气股份有限公司 | Low-smoke flame-retardant powdered styrene butadiene rubber and preparation method thereof |
| CN107264044A (en) * | 2016-03-31 | 2017-10-20 | 兄弟工业株式会社 | Fluid cartridge and system |
| US10654281B2 (en) | 2016-03-31 | 2020-05-19 | Brother Kogyo Kabushiki Kaisha | Liquid cartridge having movable member and contact member, and system using the same |
| CN114056700A (en) * | 2021-11-16 | 2022-02-18 | 刘松鑫 | Hot melt adhesive labeller |
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