CN101850659B - Continuous liquid supply device with internal pressure adjustment - Google Patents
Continuous liquid supply device with internal pressure adjustment Download PDFInfo
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- CN101850659B CN101850659B CN2009101332713A CN200910133271A CN101850659B CN 101850659 B CN101850659 B CN 101850659B CN 2009101332713 A CN2009101332713 A CN 2009101332713A CN 200910133271 A CN200910133271 A CN 200910133271A CN 101850659 B CN101850659 B CN 101850659B
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Abstract
The invention relates to a continuous liquid supply device with internal pressure adjustment, which comprises a liquid supply container, a printing casket and a suction device, wherein the liquid supply container is used for storing liquid; the printing casket is provided with an ejection hole, and the height different exists between the printing casket and the liquid supply container; and the suction device is connected with an ink supply container and the printing casket and used for carrying out suction on the printing casket, thereby guiding the liquid into the printing casket and recovering the internal pressure of the printing casket to the initial value.
Description
Technical field
The invention relates to a kind of continuous liquid supply device, refer to a kind of interior continuous liquid supply device of pressing adjustment that has especially.
Background technology
Generally speaking; Ink-jet printer is extensively consumed popular the welcome owing to have processing ease and printable in advantages such as multiple ink-jet medium, but ink-jet printer when using one section in the future; Just can exhaust because of the ink of ink cartridges and must change ink cartridges; Common replacing method is to abandon old ink cartridges brand-new ink cartridges to be installed again so that ink to be provided at present, and this measure not only causes the waste of ink cartridges body, and has intangibly increased user's expense because of costing an arm and a leg of ink cartridges.To print cost in order saving, to avoid the wasting of resources and meet environmental protection trend, the continuous ink-supply system of reusing same ink cartridges just in response to and give birth to.
Existing continuous ink-supply system is all the external continuous ink-supply system; It is that an ink supply casket is set outside ink-jet printer; And, utilize siphon principle that ink is imported in the print cartridge from the ink supply casket through pipeline connection ink supply casket and the inner print cartridge of ink-jet printer, when print cartridge is printed; Liquid constantly drainage just can be reached the continual continuous ink feeding purpose of ink cartridges ink supply to print cartridge.
Convention continuous ink-supply system (like the printer of commercially available EPSON continuous ink-supply system) is that a spring film backpressure mechanism is set before print cartridge inside is near spray orifice; Film can be opened because of spray orifice ink-jet effect presses down interlock one valve (Valve); So that the inner ink of ink supply casket gets in the print cartridge; And when ink gets into, film will rise to drive valve closing, so repeat running to reach continuous ink feeding.In addition, it is to utilize the harmomegathus of the inner airbag of print cartridge to control a valve switch that a kind of continuous ink-supply system (like the printer of commercially available HP K550 continuous ink-supply system) is more arranged, to control the liquid of regularly squeezing into from the ink supply casket.
Though convention continuous liquid supply system can reach the effect of continuous ink feeding; But; When the inner stored ink of ink supply casket is finished using; Must change the ink supply casket through the pipeline between dismounting print cartridge or dismounting ink supply casket and the print cartridge, in the process of changing, can cause the pipeline junction to cause sealing problem because of changeing, and the difference to some extent of the negative pressure when making inner tube portion with ink supply originally; Make existing continuous liquid supply system the situation of ink leak to take place, and then cause print quality unusual because of print cartridge is caused negative pressure to fade away by dismounting pipeline pressure reduction repeatedly.
In addition; Existing continuous liquid supply system need use manual work that ink is guided to the liquid of printing in the print cartridge from outside ink supply casket; When ability sustainable utilization siphonage prints print cartridge; Liquid can be drained into print cartridge inside incessantly, and existing mode with manual work must increase human cost, and can't automated production.
Moreover, the efficient return-flow system of commercially available more new-type HP SPT, though have regularly reply keep fixing in casket print negative pressure, need expensive manufacturing craftsman technology and complicated control and element, can reach a large amount of feed flows and reclaim the usefulness of normal printing.
Therefore, how to develop a kind of interior continuous liquid supply device of pressing the adjustment effect of having of above-mentioned prior art disappearance that improves, real in pressing for the problem of solution at present.
Summary of the invention
Main purpose of the present invention is to provide a kind of interior continuous liquid supply device of pressing adjustment that has; To overcome existing continuous liquid supply system can be caused negative pressure to fade away to take place ink leak because of print cartridge by dismounting pipeline pressure reduction repeatedly situation; And then cause print quality unusual; And existing the use artificially guides to ink in the print cartridge with the liquid of printing from outside ink supply casket, increases human cost, and can't automated production etc. shortcoming.
For reaching above-mentioned purpose, of the present invention one to implement aspect than broad sense be that a kind of continuous liquid supply device of pressing adjustment in having is provided, and comprises: a fluidsupply container, in order to store a liquid; One print cartridge is provided with squit hole, and has a difference in height between this print cartridge and this fluidsupply container; And an aspirator, it is to be connected with this fluidsupply container and this print cartridge, in order to this print cartridge is carried out swabbing action.
Conception of the present invention, this print cartridge also include a liquid pushing tube, a pipette, first connecting line and second connecting line, and in second connecting line, connect this aspirator.
Conception of the present invention, this liquid pushing tube is connected with this fluidsupply container through this first connecting line, and this pipette is connected with this fluidsupply container through this second connecting line.
Conception of the present invention; This print cartridge is provided with an initial liquid height and a predetermined fluid infusion height; The initial liquid height of this print cartridge is the vertical height of this squit hole to this pipette bottom; Should predetermined fluid infusion highly be to be lower than the vertical height of initial liquid height one precalculated position of this print cartridge to this pipette bottom, the original position of the liquid make-up that this precalculated position can be set with actual demand.
Conception of the present invention; When the liquid level of this print cartridge be lower than the initial liquid of a print cartridge high and arrive should predetermined fluid infusion height down in limited time; This aspirator will attract the inner portion gas of this print cartridge to this fluidsupply container; The inner negative pressure of this print cartridge is raise, is led in this print cartridge to order about this liquid, and control the liquid liquid measure that imports in this fluidsupply container in this print cartridge greater than reality need mend that this print cartridge has been used should predetermined fluid infusion height between liquid measure.
Conception of the present invention, be with the control of this aspirator be attracted mend to go into to be higher than this print cartridge one initial liquid height unnecessary this liquid, to be recycled in this fluidsupply container, make the liquid level of this print cartridge be maintained at the printing initial value of this initial liquid height.
Conception of the present invention, the difference in height between this print cartridge and this fluidsupply container are the vertical heights between the liquid level of this squit hole to this fluidsupply container of this print cartridge, in order to produce the normal printing work negative pressure of this print cartridge.
Conception of the present invention, this aspirator are pumps.
It is that a kind of interior continuous liquid supply device of pressing adjustment that has is provided that of the present invention another implemented the appearance attitude than broad sense, comprises: a fluidsupply container, in order to store a liquid; One print cartridge is provided with squit hole, and has a difference in height between this print cartridge and this fluidsupply container; One first aspirator, it is to be connected with this fluidsupply container and this print cartridge, in order to this fluidsupply container is carried out swabbing action, so that this liquid is attracted in this print cartridge; And one second aspirator, it is to be connected with this fluidsupply container and this print cartridge, in order to this print cartridge is carried out swabbing action, with the internal negative pressure of this print cartridge of balance.
Conception of the present invention, this print cartridge also include a liquid pushing tube, a pipette, first connecting line and second connecting line, and in first connecting line, connect this first aspirator, and this second aspirator of connection connects in second connecting line.
Conception of the present invention; This liquid pushing tube is connected with this fluidsupply container through this first connecting line; Be attracted in this print cartridge in order to liquid this fluidsupply container; And this pipette is connected with this fluidsupply container through this second connecting line, is attracted in this fluidsupply container via this second connecting line in order to the portion gas that this print cartridge is inner and this liquid of part.
Conception of the present invention; This print cartridge is provided with an initial liquid height and a predetermined fluid infusion height; The initial liquid height of this print cartridge is the vertical height of this squit hole to this pipette bottom; Should predetermined fluid infusion highly be to be lower than the vertical height of initial liquid height one precalculated position of this print cartridge to this pipette bottom, the original position of the liquid make-up that this precalculated position can be set with actual demand.
Conception of the present invention; When the liquid level of this print cartridge be lower than initial liquid height arrive should predetermined fluid infusion height down in limited time; The liquid of this fluidsupply container of this first aspirator suction to this print cartridge, and control the liquid liquid measure that can import in this fluidsupply container in this print cartridge greater than reality need mend that this print cartridge has been used should predetermined fluid infusion height between liquid measure.
Conception of the present invention, when the liquid level of this print cartridge be lower than initial liquid height and arrive should predetermined fluid infusion height down in limited time, this first aspirator and this second aspirator aspirate running simultaneously.
Conception of the present invention; This second aspirator is that the portion gas that this print cartridge is inner is attracted in this fluidsupply container; When treating that the inner liquid level of this print cartridge is higher than this initial liquid height; Then this first aspirator decommissions, when this second aspirator then is higher than this initial liquid height with this print cartridge again this unnecessary liquids recovery be attracted in this fluidsupply container, make the inner liquid level of this print cartridge be maintained at the printing initial value of this initial liquid height.
Conception of the present invention; Inside is provided with a pressure-equalizing pipe in this fluidsupply container; Difference in height between this print cartridge and this fluidsupply container is the vertical height between the pressure-equalizing pipe bottom surface of this squit hole to this fluidsupply container of this print cartridge, in order to produce the normal printing work negative pressure of this print cartridge.
Conception of the present invention, this first aspirator and this second aspirator are pumps.
Description of drawings
Figure 1A: it is the structural representation of pressing the continuous liquid supply device of adjustment in the having of the present invention's first preferred embodiment.
Figure 1B: it is the structural representation that the print cartridge shown in Figure 1A need be carried out liquid make-up.
Fig. 1 C: it is the structural representation that the liquid level of the print cartridge shown in Figure 1B is higher than predetermined altitude range.
Fig. 1 D: it is that the print cartridge shown in Figure 1B is mended the structural representation that China ink is accomplished.
Fig. 2 A: it is the structural representation of pressing the continuous liquid supply device of adjustment in the having of the present invention's second preferred embodiment.
Fig. 2 B: it is the structural representation that the print cartridge shown in Fig. 2 A need be carried out liquid make-up.
Fig. 2 C: it is the structural representation that the liquid level of the print cartridge shown in Fig. 2 B is higher than predetermined altitude range.
Fig. 2 D: it is that the print cartridge shown in Fig. 2 B is mended the structural representation that China ink is accomplished.
The specific embodiment
Some exemplary embodiments that embody characteristic of the present invention and advantage will be described in detail in the explanation of back segment.Be understood that the present invention can have various variations on different aspects, its neither departing from the scope of the present invention, and explanation wherein and icon be the usefulness of being used as explanation in itself, but not in order to restriction the present invention.
See also Figure 1A, it is the structural representation of pressing the continuous liquid supply device of adjustment in the having of the present invention's first preferred embodiment, and is as shown in the figure, and the continuous liquid supply device 10 of present embodiment can comprise a fluidsupply container 11, an aspirator 12 and a print cartridge 13.Wherein, This fluidsupply container 11 is positioned on the jet printing appts; In order to store the required liquid 15 of spray printing; And fluidsupply container 11 imports in the print cartridge 13 through the guiding of one first connecting line 14 liquid 15 that it is inner stored, and print cartridge 13 also can be through one second connecting line, 16 guiding and aspirator 12 swabbing actions, and the gas and the excess liquid 15 of interior section is recycled in the fluidsupply container 11.Aspirator 12 is a pump in the present embodiment, and liquid 15 is an ink.
Shown in Figure 1A; Print cartridge 13 also includes a liquid pushing tube 131 and a pipette 132; Liquid pushing tube 131 is to be connected with first connecting line 14, and pipette 132 then is connected with second connecting line 16, and the position that is provided with of the print cartridge 13 of present embodiment is to be higher than fluidsupply container 11 again; And the liquid level of fluidsupply container 11 inside and 133 of the squit holes of print cartridge 13 bottoms are to have a height difference H; Can be used to provide print cartridge 13 normal print job negative pressure through this height difference H, can make the internal negative pressure of print cartridge 13 reach balance, to reach stable print quality.
In addition; This print cartridge 13 is provided with an initial liquid height h and a predetermined fluid infusion height h1; The initial liquid height h of this print cartridge 13 is this squit hole 133 vertical heights to these pipette 132 bottoms, and the predetermined fluid infusion height h1 of this print cartridge 13 is the vertical heights that are lower than initial liquid height h one precalculated position to these pipette 132 bottoms of this print cartridge 13.The original position of the liquid make-up that this precalculated position can be set with actual demand.
Wherein, Before aspirate 12 pairs of print cartridge 13 inside of aspirator; Need earlier print cartridge 13 is moved on the position of a cage unit 17 (capper) of a servicing area,, can extraneous air got into by squit hole 133 because of the action that aspirator 12 is pumped liquid to guarantee print cartridge 13 inside in order to the squit hole 133 of sealing print cartridge 13 bottoms; In case during as if print cartridge 13 inner suctions or gassy, will cause can't normal printing.The fluidsupply container 11 of present embodiment also comprises a passage 111, in order to the internal negative pressure of balance fluidsupply container 11.
See also Figure 1B and cooperate Figure 1A; It is the structural representation that the print cartridge shown in Figure 1A need be carried out liquid make-up; As shown in the figure, when the squit hole of print cartridge 13 133 continue spray printings to its inner liquid level be lower than an initial liquid height h and arrive should predetermined fluid infusion height h1 down in limited time, promptly liquid level is lower than pipette 132 belows and is scheduled to fluid infusion highly during h1; Aspirator 12 will be activated so that print cartridge 13 inside are aspirated; Aspirator 12 will be attracted to print cartridge 13 gas inside in the fluidsupply container 11 via the pipette 132 and second connecting line 16, and print cartridge 13 inner negative pressure are raise gradually, and siphon principle capable of using like this is directed into fluidsupply container 11 inner stored liquid 15 in the print cartridge 13 via first connecting line 14 and liquid pushing tube 131 automatically; During aspirator 12 initial startup is air-breathing; But after the liquid level of treating print cartridge 13 was higher than initial liquid height h, promptly print cartridge 13 inner amount of liquid were increased gradually behind the altitude range h2 shown in Fig. 1 C, and aspirator 12 can reclaim excess liquid 15 and be attracted in the fluidsupply container 11; Make the height of the liquid level of print cartridge 13 revert to the initial liquid height h shown in Figure 1A and D; Thus, the internal negative pressure of print cartridge 13 can return to initial value, can stablize print quality and prevent that the situation of leakage from taking place.
As for the running time when aspirator 12 is liquid 15 liquid measures of utilizing the inner required injection of these print cartridge 13 specking numbers of running computed in software of jet printing appts; Then utilize 12 pairs of print cartridge 13 inside of aspirator to aspirate control; Be used the liquid measure between this predetermined fluid infusion height h1 so that can utilize siphon principle importing print cartridge 13 interior liquid 15 liquid measures need mend this print cartridge 13 in the fluidsupply container 11 greater than reality; Not enough to prevent mending China ink; The present invention with the liquid level scope mend to h2 promptly for some safe doses of mending more, utilize this aspirator 12 will be higher than initial liquid height h excess liquid 15 between the high h2 height of liquid level so again and be recycled in the fluidsupply container 11, so that the liquid level of print cartridge 13 returns to an initial liquid height h; That is liquid level is just to pipette 132 bottoms; Make aspirator 12 almost can't extract liquid 15 again out and outside pipette 132 pipes, reclaim, the 1 running time of aspirator also stops the suction running by the inner running software institute's result of calculation of jet printing appts simultaneously, and the internal negative pressure of print cartridge 13 also can return to initial value.
The continuous liquid supply system 10 of present embodiment utilizes fluidsupply container 11 and 13 of print cartridge to have a height difference H; Can provide print cartridge 13 normal print job negative pressure; Again through 12 pairs of seals of aspirator row casket, 12 internal suction gases; Siphon principle capable of using is directed into fluidsupply container 11 inner stored liquid 15 in the print cartridge 13 via first connecting line 14 and liquid pushing tube 131 automatically, and reclaims liquid superfluous in the print cartridge 13 through aspirator 12, and print cartridge 13 inner liquid heights are remained in the predetermined altitude range; Can return to initial value in order to do its internal negative pressure after making print cartridge 13 fluid infusion, can stablize print quality and the situation of leakage can not take place.When even continuous liquid supply of the present invention system 10 changes fluidsupply containers 11, but the inner print job negative pressure of running balance print cartridge through aspirator 12 13.
See also Fig. 2 A; It is the structural representation of pressing the continuous liquid supply device of adjustment in the having of the present invention's second preferred embodiment; As shown in the figure, the continuous liquid supply device 20 of present embodiment can comprise a fluidsupply container 21, a print cartridge 22, one first aspirator 23 and one second aspirator 24.Wherein, This fluidsupply container 21 is positioned on the jet printing appts equally; In order to the required liquid 28 of storage spray printing, and fluidsupply container 21 is through one first connecting line, 25 guiding and first aspirator, 23 swabbing actions, in the liquid 28 importing print cartridge 22 that it is inner stored; And print cartridge 22 also can be through guiding of one second connecting line 26 and second aspirator, 24 swabbing actions, and the gas and the excess liquid 28 of interior section is recycled in the fluidsupply container 21.First aspirator 23 and second aspirator 24 are a pump in the present embodiment, and liquid 28 is an ink.
Shown in Fig. 2 A; Print cartridge 22 also includes a liquid pushing tube 221 and a pipette 222; Liquid pushing tube 221 is to be connected with first connecting line 25, and pipette 222 then is connected with second connecting line 26, and the position that is provided with of the print cartridge 22 of present embodiment is to be higher than fluidsupply container 21 again; And 223 of the squit holes of fluidsupply container 21 pressure inside balance pipes, 211 bottom surfaces and print cartridge 22 bottoms are to have a height difference H; Can be used to provide print cartridge 22 normal print job negative pressure through this height difference H, can make the internal negative pressure of print cartridge 22 reach balance, to reach stable print quality.Pressure-equalizing pipe 211 mainly is used for the inner negative pressure of balance fluidsupply container 21.
In addition; This print cartridge 22 is provided with an initial liquid height h and a predetermined fluid infusion height h1; The initial liquid height h of this print cartridge 22 is this squit hole 223 vertical heights to these pipette 222 bottoms, and the predetermined fluid infusion height h1 of this print cartridge 22 is the vertical heights that are lower than initial liquid height h one precalculated position to these pipette 222 bottoms of this print cartridge 22.The original position of the liquid make-up that this precalculated position can be set with actual demand.
Wherein, Before first aspirator 23 and 24 runnings of second aspirator; Need earlier print cartridge 22 is moved on the position of a cage unit 27 (capper) of a servicing area,, can extraneous air got into by squit hole 223 because of the action that second aspirator 24 is pumped liquid to guarantee print cartridge 22 inside in order to the squit hole 223 of sealing print cartridge 22 bottoms; In case during as if print cartridge 22 inner suctions or gassy, will cause can't normal printing.In some embodiment; Also can connect one the 3rd aspirator 29 in 27 places, cage unit of servicing area; Can start the 3rd aspirator 29 when treating the squit hole 223 of 27 sealing print cartridge, 22 bottoms, cage unit and carry out powerful drawing liquid; Cleaning gets lodged in the foreign material at each hole, and the raffinate that 29 sucking-offs of the 3rd aspirator are gone can be expelled in the waste collection groove 3.
See also Fig. 2 B and cooperate Fig. 2 A; It is the structural representation that the print cartridge shown in Fig. 2 A need be carried out liquid make-up; As shown in the figure; When the squit hole of print cartridge 22 223 continue spray printings to its inner liquid level be lower than an initial liquid height h and arrive should predetermined fluid infusion height h1 down in limited time, promptly liquid level is lower than the predetermined fluid infusion in pipette 222 belows highly during h1, first aspirator 221 will be activated via first connecting line 25 and liquid pushing tube 221 the stored liquid 28 in fluidsupply container 21 inside are attracted in the print cartridge 22; And second aspirator 24 also is activated so that print cartridge 12 inside are aspirated; Second aspirator 24 will be attracted to print cartridge 22 gas inside in the fluidsupply container 21 via the pipette 222 and second connecting line 26, be air-breathing during second aspirator, 24 initial startup, but after the liquid level of treating print cartridge 22 is higher than initial liquid height h; Be that print cartridge 22 inner amount of liquid are increased gradually behind the altitude range h2 shown in Fig. 2 C; The initial liquid height h excess liquid 28 between the high h2 height of liquid level that can will be higher than second aspirator 24 reclaims and is attracted in the fluidsupply container 21, makes the liquid level of print cartridge 22 revert to the initial liquid height h shown in Fig. 2 A and D, thus; The internal negative pressure of print cartridge 22 can return to initial value, can stablize print quality and prevent that the situation of leakage from taking place.
As for; The running time of first aspirator 23 and second aspirator 24 is liquid 28 liquid measures of utilizing the inner required injection of these print cartridge 22 specking numbers of running computed in software of jet printing appts; Then utilize the running suction control of first aspirator 23; Need mend this print cartridge 22 greater than reality and be used the liquid measure between this predetermined fluid infusion height h1 so that can import liquid 28 liquid measures in the print cartridge 22 in the fluidsupply container 21; But and recover the amount of print cartridge 22 normal air pressure initial value spray printings, not enough to prevent mending China ink, the present invention with the liquid level scope mend to h2 promptly for some safe doses of mending more; Utilizing second aspirator 24 will be higher than initial liquid height h excess liquid 28 between the high h2 height of liquid level so again is recycled in the fluidsupply container 21; That is liquid level is just to pipette 222 bottoms, makes second aspirator 24 almost can't extract liquid 28 again out in outer recovery of pipette 222 pipes, and the 24 running times of second aspirator also stop suction by the inner running software institute's result of calculation of jet printing appts and operate simultaneously; So that the liquid level of print cartridge 22 returns to elemental height, and the internal negative pressure of print cartridge 22 also can return to initial value.First aspirator 23 and second aspirator 24 of present embodiment can start simultaneously; And its running time separately is by the inner running computed in software of jet printing appts; Certainly, also can control first aspirator, 23 blottings and the action of second aspirator, 24 pumping inks respectively in response to demand.
The continuous liquid supply system 20 of present embodiment utilizes fluidsupply container 21 and 22 of print cartridge to have a height difference H; Can provide print cartridge 22 normal print job negative pressure; Through first aspirator 23 fluidsupply container 21 internal liquids are attracted to print cartridge 22 again; 24 pairs of print cartridge of second aspirator, 22 internal suction gas and withdrawal liquid; The inner liquid heights of print cartridge 22 are remained in the predetermined altitude range, and its internal negative pressure can return to initial value after making print cartridge 22 fluid infusion, can stablize print quality and the situation of leakage can not take place.
In sum; Continuous liquid supply device with interior pressure adjustment of the present invention utilizes has a difference in height between fluidsupply container and print cartridge; Can provide print cartridge normal print job negative pressure, and pass through an aspirator, can be directed in the print cartridge by automatically that fluidsupply container is inner liquid print cartridge internal suction gas and recovery excess liquid; And its internal negative pressure can return to initial value after making the print cartridge fluid infusion, can stablize print quality and the situation of leakage can not take place.In addition, more can be attracted in the print cartridge, and second aspirator can make its internal negative pressure of print cartridge can return to initial value to print cartridge internal suction gas and recovery excess liquid equally through first aspirator liquid that fluidsupply container is inner.
Claims (15)
1. one kind has interior continuous liquid supply device of pressing adjustment, comprises:
One fluidsupply container is in order to store a liquid;
One print cartridge is provided with squit hole, and has a difference in height between this print cartridge and this fluidsupply container, also includes a pipette; And
One aspirator, it is to be connected with this fluidsupply container and this print cartridge, in order to this print cartridge is carried out swabbing action;
This print cartridge is provided with an initial liquid height and a predetermined fluid infusion height; The initial liquid height of this print cartridge is the vertical height of this squit hole to this pipette bottom; Should predetermined fluid infusion highly be to be lower than the vertical height of initial liquid height one precalculated position of this print cartridge to this pipette bottom, the original position of the liquid make-up that this precalculated position can be set with actual demand;
When the liquid level of this print cartridge be lower than an initial liquid height and arrive should predetermined fluid infusion height down in limited time; This aspirator will attract the inner portion gas of this print cartridge to this fluidsupply container; The inner negative pressure of this print cartridge is raise, be led in this print cartridge to order about this liquid.
2. the continuous liquid supply device with interior pressure adjustment according to claim 1 is characterized in that this print cartridge also includes a liquid pushing tube, one first connecting line and one second connecting line, and in second connecting line, connects this aspirator.
3. the continuous liquid supply device with interior pressure adjustment according to claim 2 is characterized in that this liquid pushing tube is connected with this fluidsupply container through this first connecting line, and this pipette is connected with this fluidsupply container through this second connecting line.
4. continuous liquid supply device of pressing adjustment in having according to claim 1, it is characterized in that this aspirator be in this fluidsupply container of control liquid import in this print cartridge liquid measure greater than reality need mend that this print cartridge has been used should predetermined fluid infusion height between liquid measure.
5. the continuous liquid supply device with interior pressure adjustment according to claim 4; It is characterized in that this aspirator be control will attract benefit go into to be higher than this print cartridge one initial liquid height unnecessary this liquid; To be recycled in this fluidsupply container, make the liquid level of this print cartridge be maintained at printing initial value in this initial liquid height.
6. the continuous liquid supply device with interior pressure adjustment according to claim 1; It is characterized in that difference in height between this print cartridge and this fluidsupply container is the vertical height between this squit hole to this fluidsupply container liquid level of this print cartridge, in order to produce the normal printing work negative pressure of this print cartridge.
7. the continuous liquid supply device with interior pressure adjustment according to claim 1 is characterized in that this aspirator is a pump.
8. one kind has interior continuous liquid supply device of pressing adjustment, comprises:
One fluidsupply container is in order to store a liquid;
One print cartridge is provided with squit hole, and has a difference in height between this print cartridge and this fluidsupply container, also includes a pipette;
One first aspirator, it is to be connected with this fluidsupply container and this print cartridge, in order to this fluidsupply container is carried out swabbing action, so that this liquid is attracted in this print cartridge; And
One second aspirator, it is to be connected with this fluidsupply container and this print cartridge, in order to this print cartridge is carried out swabbing action, with the internal negative pressure of this print cartridge of balance;
This print cartridge is provided with an initial liquid height and a predetermined fluid infusion height; The initial liquid height of this print cartridge is the vertical height of this squit hole to this pipette bottom; Should predetermined fluid infusion highly be to be lower than the vertical height of initial liquid height one precalculated position of this print cartridge to this pipette bottom, the original position of the liquid make-up that this precalculated position can be set with actual demand;
The liquid level of this print cartridge is lower than initial liquid height and arrives and should prescribe a time limit down by predetermined fluid infusion height, and the liquid of this this fluidsupply container of first aspirator suction is to this print cartridge.
9. the continuous liquid supply device with interior pressure adjustment according to claim 8; It is characterized in that this print cartridge also includes a liquid pushing tube, one first connecting line and one second connecting line; And in this first connecting line, connect this first aspirator, and this second aspirator of connection connects in this second connecting line.
10. the continuous liquid supply device with interior pressure adjustment according to claim 9; It is characterized in that this liquid pushing tube is connected with this fluidsupply container through this first connecting line; Be attracted in this print cartridge in order to liquid this fluidsupply container; And this pipette is connected with this fluidsupply container through this second connecting line, is attracted in this fluidsupply container via this second connecting line in order to the portion gas that this print cartridge is inner and this liquid of part.
11. the continuous liquid supply device with interior pressure adjustment according to claim 8 is characterized in that this first aspirator is that the liquid liquid measure that can import in this fluidsupply container of control in this print cartridge need be mended the liquid measure of being scheduled between the fluid infusion height of being somebody's turn to do that has been used in this print cartridge greater than reality.
12. the continuous liquid supply device with interior pressure adjustment according to claim 11; It is characterized in that the liquid level of working as this print cartridge is lower than initial liquid height and arrives and should prescribe a time limit down by predetermined fluid infusion height, this first aspirator and this second aspirator aspirate running simultaneously.
13. the continuous liquid supply device with interior pressure adjustment according to claim 12; It is characterized in that this second aspirator is that the portion gas that this print cartridge is inner is attracted in this fluidsupply container; When treating that the inner liquid level of this print cartridge is higher than this initial liquid height; Then this first aspirator decommissions; When this second aspirator then is higher than this initial liquid height with this print cartridge again this unnecessary liquids recovery be attracted in this fluidsupply container, make the inner liquid level of this print cartridge be maintained at the printing initial value of this initial liquid height.
14. the continuous liquid supply device with interior pressure adjustment according to claim 8; It is characterized in that this fluidsupply container inside is provided with a pressure-equalizing pipe; Difference in height between this print cartridge and this fluidsupply container is the vertical height between the pressure-equalizing pipe bottom surface of this squit hole to this fluidsupply container of this print cartridge, in order to produce the normal printing work negative pressure of this print cartridge.
15. the continuous liquid supply device with interior pressure adjustment effect according to claim 8 is characterized in that this first aspirator and this second aspirator are pumps.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101332713A CN101850659B (en) | 2009-03-31 | 2009-03-31 | Continuous liquid supply device with internal pressure adjustment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101332713A CN101850659B (en) | 2009-03-31 | 2009-03-31 | Continuous liquid supply device with internal pressure adjustment |
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| CN101850659A CN101850659A (en) | 2010-10-06 |
| CN101850659B true CN101850659B (en) | 2012-06-06 |
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| CN2009101332713A Expired - Fee Related CN101850659B (en) | 2009-03-31 | 2009-03-31 | Continuous liquid supply device with internal pressure adjustment |
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| CN102501603A (en) * | 2011-10-11 | 2012-06-20 | 江苏锐毕利实业有限公司 | System and method for stabilizing negative ink-supplying pressure for spray printing of rigid printed circuit board |
| JP7467309B2 (en) * | 2020-10-08 | 2024-04-15 | キヤノンメディカルシステムズ株式会社 | Automatic analyzer and cleaning method |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101100137A (en) * | 2006-07-04 | 2008-01-09 | 三星电子株式会社 | Ink circulation device and an inkjet printer possessing same |
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2009
- 2009-03-31 CN CN2009101332713A patent/CN101850659B/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101100137A (en) * | 2006-07-04 | 2008-01-09 | 三星电子株式会社 | Ink circulation device and an inkjet printer possessing same |
Non-Patent Citations (3)
| Title |
|---|
| 第8页第3-13行，第21-30行 |
| 说明书第4页第26-29行 |
| 附图2. |
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| CN101850659A (en) | 2010-10-06 |
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