CN101253047A - Automatic ink supply system of ink jet printer - Google Patents
Automatic ink supply system of ink jet printer Download PDFInfo
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- CN101253047A CN101253047A CNA2005800404767A CN200580040476A CN101253047A CN 101253047 A CN101253047 A CN 101253047A CN A2005800404767 A CNA2005800404767 A CN A2005800404767A CN 200580040476 A CN200580040476 A CN 200580040476A CN 101253047 A CN101253047 A CN 101253047A
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Abstract
An auto ink supplying system of inkjet printer for supplying print-head with ink includes ink cartridge; ink supplier housing; at least 4 ink supplier ink-chambers for different colors with ink refilling ports and a waste ink collecting chamber which provided in the housing; an ink channel which connected with upper portion of ink cartridge and provided on the output portion at the bottom of the ink-chamber; and an alarm and control circuit provided in ink-chamber that including probe-type level sensor. Auto ink supplying is respectively realized by means of siphon action, motor promotion and deadweight. Pressure constant is attained with sealed switch or valve when ink is feeding through the system, besides system can be sealed up. It avoids pressure difference caused by ink feeding, thereby ensures stable printing quality.; It prevents air from entering the cartridge when print-head works, also prevents ink from blocking when air accumulates. The above structure is simple, sensitive, and has long lifetime.
Description
Automatic ink supply system of ink jet printer technical field
The invention belongs to inkjet printer technologies field, specifically a kind of automatic ink supply system of ink jet printer that marking ink is provided to inkjet printer head.
Background technology
It is well known that with the extension of computer technology application field, the use of color inkjet printer is fairly common.Both known about using the user of desk jet printer, disposable color spray print cartridge therein cost highest shared in all consumptive materials.The applicant has applied for one on April 27th, 2004 to Patent Office of Intellectual Property Right Bureau of the RPC《Automatic ink feeder for ink jet printer》Patent of invention, its number of patent application is： 200410020472. X.This patent application is mainly solved by external ink feeder and waste ink recovery bin, print cartridge need not be changed, the recovery that marking ink completes waste ink can be endlessly provided to printer, when solving ink-jet printer long-term use, the waste ink water of discharge is excessive in printer memory storage, so that its mainboard can be burnt in printing mainboard by splashing, the outflow of waste ink water can cause it is unhygienic, not environmentally the problem of；Pass through plug-in double body structure, realizing can be connected with an ink feeder with polytype ink-jet printer, fundamentally solve the problem of one-to-one can only being used between ink feeder and printer, it can be used by the connector of a specification from different print cartridges, different printer connections, and easy to operate, not ink leak.Switched by ink pipe, solve printer and ink feeder when not in use, because of the water-head between print cartridge and cartridge, print cartridge flow back the phenomenon of ink into cartridge, and black phenomenon is run to printer waste ink retracting device while also eliminating.
It although above-mentioned application greatly reduces the use cost of desk jet printer, also found when in use, its complicated, cost height switched using ink pipe, is frequently easily used to damage ink pipe, and sealing effectiveness is poor, maintenance difficult.Because traditional printer ink cartridge is in sealing state, when being used with the cooperation ink-jet of its printhead, the ink of not all color is printed simultaneously, but color print is selected according to print command, but the shower nozzle of inkjet printing is not moved back and forth with black car, and air is brought into printer ink cartridge, and cumulative, it, by the even ink that breaks for system return ink feeder cartridge, is exactly to be discharged by printhead and run ink not to be by the ink of same volume because of the entrance of air；It is exactly liquid level difference produced between ink feeder cartridge and printer ink cartridge to have again, causes the mutual flowing of the cartridge and print cartridge ink inside, when printing head is moved back and forth with black car, can accelerate bringing into for air.With the air increase in printer ink cartridge, the membership of entering during printing because of air produces the pressure change of ink in print cartridge, and easily occurs that printing effect is not good or the black phenomenon of drop.
The content of the invention
It is an object of the invention to provide the automatic ink supply system of ink jet printer that a kind of band powers off self-closed gas circuit.Device of the system also with liquid level warning and automatically supplying ink.
The object of the present invention is achieved like this：It includes printer ink cartridge, ink feeder housing, the ink feeder cartridge and waste ink recovery bin of the interior different colours at least provided with four top tape ink filling ports of ink feeder housing, the port of export in ink feeder cartridge bottom is provided with the probe-type liquid being provided with an ink conduit being connected with printing of inkjet printer print cartridge top, ink feeder cartridge
Warning circuit including level sensor, the warning circuit is：Liquid level sensor by connecting wire successively with the detection circuit in ink feeder housing, control circuit, audible alarm circuit concatenation；It is characterized in that：An evacuated tube communicated with air is provided with the top of ink feeder cartridge, the bottom of the cartridge is arranged on into evacuated tube one end in ink feeder cartridge, and the evacuated tube other end outside ink feeder cartridge is then come together in an emptying storehouse, the aeration vent in the emptying storehouse is arranged on the black appliance mains switch, and the structure that aeration vent is closed/opened for switch circuit breaking/conducting；A granular membrane is additionally provided with ink conduit between ink feeder cartridge and printer ink cartridge.
Above-mentioned ink supply appliance mains switch closes for push type ship type Jian, two power contacts of the side in the switch provided with pressing conducting, and opposite side is then provided with a pressing closure corresponding with aeration vent.
The purpose of the present invention also includes following technical proposals：It includes printer ink cartridge, ink feeder housing, the ink feeder cartridge and waste ink recovery bin of the interior different colours at least provided with four top tape ink filling ports of ink feeder housing, the port of export in ink feeder cartridge bottom is provided with an ink conduit being connected with printing of inkjet printer print cartridge top, and the alarm including the probe-type liquid level sensor being provided with ink feeder cartridge and control circuit, it is characterized in that：An evacuated tube communicated with air is provided with the top of ink feeder cartridge, the bottom of cartridge is arranged on into evacuated tube one end in ink feeder cartridge, and the evacuated tube other end outside ink feeder cartridge is then come together in an emptying storehouse, a sealing valve controlled by micro machine is provided with the aeration vent in the emptying storehouse；In ink feeder cartridge inner bottom part on the position at ink outlet end, provided with a piston-propelled ink-supplying mechanism controlled by micro machine；A granular membrane is additionally provided with ink conduit between ink feeder cartridge and printer ink cartridge；The piston valve for emptying disconnected ink closing at evacuation port, the evacuation port provided with an ink supply controlled by micro machine is provided with the top of printer ink cartridge, a probe-type liquid level sensor being connected with warning circuit is again provided with the printer ink cartridge；
Alarm and the circuit is controlled to be：The work inductive switch of a start-up circuit is provided with printer ink cartridge, the inductive switch connects with the input interface of the automatically supplying ink CS central processing module of singlechip chip；The interface of the automatically supplying ink CS central processing module is connected with cartridge, the liquid level detection circuit of print cartridge and warning circuit, micro machine start-up circuit respectively.
The purpose of the present invention also includes the third following technical scheme：It includes printer ink cartridge, ink feeder housing, the ink feeder cartridge and waste ink recovery bin of the interior different colours at least provided with four top tape ink filling ports of ink feeder housing, the port of export in ink feeder cartridge bottom is provided with an ink conduit being connected with printing of inkjet printer print cartridge top, and the alarm including the liquid level sensor being provided with ink feeder cartridge and control circuit, it is characterized in that：The first air bin that its underpart is connected with the ink feeder cartridge is provided with the side of ink feeder cartridge, the bottom that air admission hole is provided with the top of the ink feeder cartridge is provided with an inlet chamber, a stomata is provided between at the top of the inlet chamber and the first air bin, a sealing valve controlled by micro machine corresponding with stomata is provided with inlet chamber；The printer ink cartridge side for being arranged on ink feeder cartridge bottom is provided with the second air bin that its underpart is connected with the printer ink cartridge, the bottom that passage is provided with the top of the printer ink cartridge is provided with a ventilation lumen, the air admission hole communicated with the second air bin top and the steam vent communicated with printer ink cartridge are respectively equipped with the correspondence position of the ventilation lumen both sides, a two-way plug sealing valve controlled by micro machine is provided with ventilation lumen, wherein a sealing-plug is corresponding with air admission hole, and another sealing-plug is then corresponding with steam vent；Probe-type liquid level sensor is additionally provided with printer ink cartridge；
Alarm and the circuit is controlled to be：Be provided with the work inductive switch of a start-up circuit on printer ink cartridge, the inductive switch with
The input interface of the automatically supplying ink CS central processing module of singlechip chip connects；The interface of the automatically supplying ink CS central processing module is connected with cartridge, the liquid level detection circuit of print cartridge and warning circuit, micro machine start-up circuit respectively.
The present invention is due to direct by power switch control by the aeration vent of ink feeder cartridge, the aeration vent that closing cartridge is communicated with air while power supply is closed, user is easy to operate, it is difficult to forget, when fundamentally ensure that printer does not work with ink feeder, print cartridge will not make the phenomenon that the ink in print cartridge flows back by liquid level difference into ink feeder under static state with ink in ink feeder in printer；The present invention, which also describes the sealing-plug controlled by micro machine or sealing valve, can equally close aeration vent, but when being used cooperatively with liquid level sensor, above-mentioned problem can not only be solved, more mainly solve and entered because printhead has air in print procedure in printer ink cartridge, the disconnected black problem that system occurs when air product is more.Bottom of the present invention due to evacuated tube one end to be arranged on to cartridge, and air bin is provided with ink feeder cartridge or in printer ink cartridge, its purpose is exactly in order that the pressure in ink feeder cartridge and printer ink cartridge ink feeding system is balanced, produced pressure difference when eliminating ink feeder cartridge to printer ink cartridge offer ink, it is not in fluctuation to make printing effect.The present invention also has simple and reasonable, convenient operating maintenance, and automation degree is high, and sensitivity is strong, the advantages of service life is long.Brief description of the drawings
Fig. 1 is the sectional structure simplified schematic diagram under normal operating condition of the present invention；
Fig. 2 is Fig. 1 sectional structure simplified schematic diagram stopped using under state；
Fig. 3 is Fig. 1 emptying chamber structure simplified schematic diagram； ·
Fig. 4 is the schematic block circuit diagram of the present invention；
Fig. 5 is the sectional structure simplified schematic diagram under the normal operating condition of another embodiment of the present invention；
Fig. 6 is the sectional structure simplified schematic diagram under Fig. 5 plus ink-condition；
Fig. 7 is Fig. 5 sectional structure simplified schematic diagram stopped using under state；
Fig. 8 is another embodiment of the present invention schematic block circuit diagram；
Fig. 9 is the circuit diagram of the present invention；
Figure 10 is the sectional structure simplified schematic diagram under the third embodiment normal operating condition of the present invention；
Figure 11 is the sectional structure simplified schematic diagram under Figure 10 plus ink-condition；
Figure 12 is the third embodiment schematic block circuit diagram of the present invention；
Invention will be described in further detail by example below, but following examples is only example therein of the invention, does not represent the rights protection scope that the present invention is limited, and the scope of the present invention is defined by claims.Embodiment
Example 1
As shown in Figure 1-2,1 in figure is ink feeder housing, the ink feeder cartridge 2 and waste ink recovery bin of the different colours of six top tape ink filling ports are provided with ink feeder housing, a closure 3 is equipped with ink filling port, at the closure 3 air inlet with an evacuated tube 5 it is out of ink on lid 4, the bottom of the cartridge is arranged on into the emptying pipe port in ink feeder cartridge, and
The evacuated tube other end outside ink feeder cartridge（The cartridge of six different colours）Then collect and emptied with one in storehouse 6（As shown in Figure 3）, aeration vent 8 of the emptying storehouse through conduit 7 be arranged on the push type ship type of the ink feeder switch 9 on, the structure of the switch is：Two power contacts 11 of the side provided with pressing conducting in switch, and opposite side is then provided with a pressing closure 10 corresponding with aeration vent.The warning circuit 13 including a probe-type liquid level sensor 12 is equipped with ink feeder cartridge and in waste ink recovery bin, the warning circuit and the number of patent application of the applicant's earlier application are：200410020472. X warning circuit technical scheme is essentially identical, and its specific operation principle will be by being given below.The port of export in the bottom of ink feeder cartridge 2 is connected through ink conduit 16 with an ink filter 17, it is provided with a filter screen 18 in the filter, ink filter 17 exports the ink check-valves 19 of the configured pluggable double body structure on ink feeder housing 1, and (structure is in Application No.：200410020472. described in the X content of the invention）Printing of inkjet printer print cartridge 22 is entered by ink conduit 20.In addition, 14 in figure be warning circuit base, 15 be ink, and 21 be print head interface.
Its course of work is（By taking one of ink supply storehouse and printer ink cartridge as an example）：When not in use, push type ship type switch 9 is in off-position to the ink feeding system, now presses closure 10 and seals aeration vent 8, is in every certainly state with air;Also it is in (as shown in Figure 2 every certainly state with air and the other end of the system is then sealed in through printhead in the waste ink recovery system of printer）.
As long as the ink feeding system is in use, press ship type switch 9, now i.e. in power supply conducting and aeration vent 8 and air communicating state, then the ink feeding system is unimpeded, you can normal operating is used.
During printer use, when the ink of any one color in ink feeder cartridge departs from probe because lacking ink, or the waste ink water of waste ink recovery bin because liquid level rises reach touch probe police circles' line when, music alarm will be produced by circuit control or/and indicator lamp indicates to alarm.
The Monitoring and control system of this example
The major function of monitoring system-the system major function is divided into two parts of monitoring and alarm, and it can at most monitor six cartridges and a public waste ink recovery bin.
Monitoring function includes --- the too low detection in black position of six cartridges；High detection is crossed in waste ink recovery bin ink position.Warning function includes needing the alarm condition of human intervention --- and cartridge ink position is too low and the black position of waste ink recovery bin is too high, and type of alarm includes sound and light warning.
The Module Division of monitoring system：
Fig. 4 gives the Module Division of monitoring system, and each functions of modules is briefly described below.
Central processing module --- central processing module is monitoring and the core of system, using MCU chip microcontrollers.Operationally its continuous Control peripheral circuit gathers the black position change of each cartridge：When the black position of cartridge is less than minimum, controlling loudspeaker sends audible alarm.
Multiplexing 170 expansion modules --- the collection and controlled quentity controlled variable due to the system are more, and the number of pins of MCU single-chip microcomputers can not much meet needs, but system speed is less demanding, can solve this problem very well using the expansion module, again may be used
Substantially reduce cost, circuit volume and power consumption.The module transmits monitoring information between central processing module and detection/remote alarm interface.
Monitoring/the remote alarm interface of n-th (n=l ~ 6) individual cartridge --- the black position probe of this cartridge is connected, and result is sent to central processing module by I/O expansion modules.
The monitoring alarm interface in waste ink storehouse --- the black position probe of connection waste ink recovery bin, and result is sent to central processing module by I/O expansion modules, light warning is produced if alert if is met.
Work inductive switch, and this example uses mercoid switch, and the mercoid switch is arranged on printer ink car --- and when printer does not work, central processing module is in a dormant state.When printer works, work inductive switch monitors the action of printer, and wakes up central processing module to perform normal work.
Audible alarm module --- produce audible ringing signal when meeting alert if.
Power supply ■ ~ ~ ' provide electric power for the measurement and control system.
Observation circuit realizes example and the course of work
In the practical circuit given by following Fig. 9, as long as can meet the functional requirement of the example after reducing the devices such as U2, U3, U6, PCOM PCOM2, JMHn, Pn, PZMn, Rl, R2, C9, Ln, RHn, its course of work is the subset of the circuit course of work of following examples 2.Its course of work has a detailed description in following examples 2, will not be repeated here.
Example 2
As shown in Fig. 5-7,201 in figure be ink feeder housing, the ink feeder cartridge 202 and waste ink recovery bin of the different colours of six top tape ink filling ports are provided with ink feeder housing, a closure 203 is equipped with ink filling port, at the closure air inlet with an evacuated tube 205 it is out of ink on lid 204, it is arranged on the bottom of the cartridge into the emptying pipe port in ink feeder cartridge, and the evacuated tube other end outside ink feeder cartridge（The cartridge of six different colours）Then collect and emptied with one in storehouse 206（Structure is identical with Fig. 2 at this）Emptying aeration vent 208 exit of the storehouse through conduit 207 is provided with a seal valve structure controlled by micro machine, a sealing piston 209 is provided with the correspondence position of aeration vent 208, the rear end of the piston is provided with internally threaded sleeve 210, and a screw rod 211 being connected with the output shaft of micro machine 212 is provided with the inside of the Luo Pattern sleeve pipes.
In the inner bottom part of ink feeder cartridge 201 on the position at ink outlet end, provided with a piston-propelled ink-supplying mechanism controlled by micro machine.The ink-supplying mechanism is：An ink-filling chamber 221 is provided with the ink outlet end close to cartridge, return spring 220, the promotion piston 218 with ink through hole 219 are sequentially provided with ink-filling chamber;It is provided with the position corresponding with ink-filling chamber entrance and piston on the inside of a Nei Luo Pattern sleeve pipes 217, the Luo Pattern sleeve pipes and is provided with a screw rod 216 being connected with the output shaft of micro machine 215.
The port of export in the bottom of ink feeder cartridge 202 is connected through ink conduit 222 with ink filter 223, a filter screen 224 is provided with the filter, the ink check-valves 225 that ink filter 223 exports the configured pluggable double body structure on ink feeder housing 201 is (identical with the structure of figure number 19 in example 1）And ink conduit 226 enters printing of inkjet printer print cartridge 227.An evacuation port 229 is provided with the top of printer ink cartridge 227, the evacuation port bottom is provided with a cavity 228,
The piston valve for the disconnected ink closing of ink supply emptying that micro machine 230 is controlled just is arranged in the cavity 228, and a steam vent 234 being connected with printer ink cartridge is also provided with the side wall relative with piston valve.Its concrete structure is：A sealing piston 233 is provided with the correspondence position of steam vent 234, the rear end of the piston 233 is provided with internally threaded sleeve 232, a screw rod 231 being connected with the output shaft of micro machine 230 is provided with the inside of the threaded sleeve.A probe-type liquid level sensor 235 being connected with warning circuit is again provided with printer ink cartridge 227.
In addition, the base of 213 sealing valves controlled for micro machine in figure, 214 is are arranged on double probe level sensors in ink feeder cartridge, and 236 be print head interface, and 238 be control board.Its course of work is（By taking one of ink supply storehouse and printer ink cartridge as an example）：When printer power-off not used time, its printer ink cartridge and printhead remain static, then and the work inductive switch of the startup ink feeding system circuit being arranged on printer ink cartridge (i.e. mercoid switch K, as shown in Figure 9）It is also at static off state.When printer power supply is connected, when the black car of printer drives printer ink cartridge reciprocating motion, mercoid switch is connected with motion and starts ink feeding system circuit, the singlechip chip in the ink feeding system circuit（Automatically supplying ink CS central processing module）Liquid level in storehouse and printer ink cartridge will be received whether in set scope by detecting that electric circuit inspection ink feeder cartridge, waste ink are beaten, if in set scope, automatic start micro machine 212 rotates and drives sealing piston 209 to communicate aeration vent 208 with air；Moreover, piston-propelled ink-supplying mechanism is opens return state, the steam vent 234 on printer ink cartridge top is also sealing state by sealing piston 233, and now ink feeding system belongs to normal ink supply state.If not in set scope, its automatic course of work will be described in more detail below.
When the liquid level in printer ink cartridge departs from double probe level sensor, then show and lack ink-condition, it lacks black signal and will be feedbacked to singlechip chip, and the singlechip chip will send instruction to motor 230 first, micro machine startup and and open steam vent 234；And then send ink supply enabled instruction to the micro machine 215 in ink feeder cartridge bottom, the screw rod 216 then rotated will remain in by the way that internally threaded sleeve 217 is by return spring 220 and promotes piston 218 to be pressed into the bottom of ink-filling chamber 221 ink outlet, ink conduit 222, ink filter 223, ink check-valves 225 and ink conduit 226 of the ink in the ink-filling chamber by cartridge and be pressed into printer ink cartridge 227（As shown in Figure 5）；Then the micro machine 215 is inverted again makes Nei Luo Pattern sleeve pipes 217 make position at the beginning of returning to, and at the same time, the ink in ink feeder cartridge is flowed into ink-filling chamber 221 from the ink through hole 219 on piston 218（Air will enter in black device cartridge from evacuated tube 205 while ink is flowed into ink-filling chamber, so that external and internal pressure keeps balance）, return spring 220 is with promoting piston 218 to also return to original position；Micro machine 215 will repeat the last time course of work again and ink in ink-filling chamber 221 will be pressed into printer ink cartridge 227；When the contacts ink in the printer ink cartridge is to (flooding）When being located at the full black liquid level sensor of double probes on printer ink cartridge top, then show full ink-condition, its full black signal will be feedbacked to singlechip chip, the singlechip chip will send instruction return to micro machine 215 first and be stopped, then, enabled instruction is sent to micro machine 230 again, passes through the seal vents 234 of piston 233.
When black potential drop is to when departing from double probe level sensors 214 in ink feeder cartridge, detector gives control circuit inkless information transmission, and circuit sends alarm, corresponding indicator lamp flicker, to point out user to add ink.
One is additionally provided with the top of printer ink cartridge on a printer by the sealed standby ink filling port of sealing-plug 237, it is standby to make.
I.e. when the black device of ink feeder is in failure state, sealing-plug 237 can be opened temporarily and by ink filling port refilling.
When printer stops printing, that is, when having arrived the stopping time-write interval set by circuit, mercoid switch K will be in static off state again, i.e., whole ink feeding system is in power-off and is stopped state.When printer carries out inkjet printing again in use, said process will be repeated.The major function of the Monitoring and control system of this example-the system major function is divided into monitoring, three parts of control and alarm, and six print cartridges and corresponding six cartridges, a public waste ink recovery bin and a public air valve gate control of spouting can be at most monitored and controlled in it.
Monitoring function includes --- the too high or too low detection in black position of six print cartridges；The too low detection in black position of six cartridges；High detection is crossed in waste ink recovery bin ink position.Warning function includes needing the alarm condition of human intervention --- and cartridge ink position is too low and the black position of waste ink recovery bin is too high, and type of alarm includes sound and light warning.Control function includes --- according to the black position situation of each print cartridge and cartridge monitored, add ink from cartridge to corresponding print cartridge under the conditions of corresponding.The Module Division of Monitoring and control system：
Fig. 8 gives the Module Division of Monitoring and control system, and each functions of modules is briefly described below.
Central processing module --- central processing module is the core of Monitoring and control system, using MCU chip microcontrollers.Operationally its continuous Control peripheral circuit gathers the black position change of each print cartridge/cartridge：When the black position of print cartridge is less than minimum, it controls cartridge and respective valves and motor in print cartridge, from cartridge to print cartridge ink supply；When black position reaches maximum in print cartridge, stop from cartridge to print cartridge ink supply；When the black position of cartridge is less than minimum, controlling loudspeaker sends audible alarm；Corresponding intake valve is opened in control during normal work, so that printing is smooth.
I/O expansion modules --- the collection and controlled quentity controlled variable due to the system are more for multiplexing, the number of pins of MCU single-chip microcomputers can not much meet needs, but system speed is less demanding, this problem can be solved very well using the expansion module, cost, circuit volume and power consumption can be substantially reduced again.Information is monitored and controlled in the transmission of central processing module and detection/between alarm and control interface in the module.
Monitoring/alarm of the individual print cartridge/cartridge in n-th (n=l ~ 6) and control interface --- the black position probe of this print cartridge/cartridge is connected, and result is sent to central processing module by I/O expansion modules；The valve or motor of this print cartridge/cartridge are connected, the control from I/O expansion modules is performed.
The monitoring alarm interface in waste ink storehouse --- the black position probe of connection waste ink recovery bin, and result is sent to central processing module by I/O expansion modules, light warning is produced if alert if is met.
Air intake valve opens and closes control interface --- connection air intake valve, perform the control from I/O expansion modules.
Work sensing Jian is closed --- and when printer does not work, central processing module is in a dormant state.When printer works, work inductive switch monitors the action of printer, and wakes up central processing module to perform normal work.
Audible alarm module --- produce audible ringing signal when meeting alert if.
Power supply --- provide electric power for the measurement and control system.Monitoring realizes example with control circuit
Fig. 9 gives monitoring and an instantiation of control circuit.The function of the circuit covers the implementation of the example 1 ~ 3 described by embodiment part, can meet most complicated control needs, can be on the basis of this scheme by reducing acquisition for better simply implementation.The course of work of the circuit in example one is described below.
Central processing module include Ul, R5, C7, C8, R3 and！6, Ul be MCU single-chip microcomputers, R5 and the clock generation circuit that C7 is single-chip microcomputer, and R6, R3 and C8 are that single-chip microcomputer produces power-on reset signal.
Multiplexing I/O expansion modules includes U2, U3, U4, U5, U6, Rl, R2 and C9, U2, U3, U6, Rl, R2 and C9, for control signal multiplex electronics, the control information that central processing module is produced is assigned to corresponding execution circuit by them（Such as work drive motor）；U4 and U5 is monitoring signals multiplex electronics, and the black position information of print cartridge and cartridge is sent to central processing module by them one by one.
Monitoring/alarm of the individual print cartridge/cartridge in n-th (n=l ~ 6) and control interface include JMHn, JMCn, LEDn, RCn, RLn, RHn, LEDn, Pn, PZMn (wherein n=l ~ 6).JMHn connects the black position height detection probe of print cartridge, and JMCn connects the low detection probe in black position of cartridge, RC1 ~ 6 and the light warning circuit that LED1 6 is cartridge, and Pn connects the sealing valve controlled motor of print cartridge, and PZMn connects the ink supply controlled motor of cartridge.
The monitoring alarm interface in waste ink storehouse includes RC7, LED7 and JHS1, the black position high detection probe in JHS1 connection waste inks storehouse, and RC7, LED7 are the light warning circuit in waste ink storehouse.
Air intake valve, which opens and closes control interface, includes PCOM1 and PCOM2, and they connect public air intake valve.
It is mercoid switch Kl that work sensing Jian, which is closed, and when printer is idle, it provides a high level signal to single-chip microcomputer；The level of one height change is provided when printer works to single-chip microcomputer.
Audible alarm module includes R7, R8, Q1 and SP, for producing audible alarm.
Power supply includes！》OWER and C1 ~ C6, POWER connection power supply, C1 C6 are electric source filter circuit.
The course of work of the example
Because the circuit includes multichannel identical monitoring and controlling process, as shown in Figure 9, that only selects every kind of function here makees detailed operation introduction all the way, and other road courses of work, which can be analogized, to be obtained.
As shown in Figure 9, with a kind of color print cartridge in its 6 tunnel（It is be set to print cartridge 1, corresponding for cartridge 1) exemplified by the low detection process in black position：U1 puts TESTEN for low level, and this opens Port Multiplier U4, Ul and puts ADD0 ~ 3 for " XB0000 ", and this has gated the 0th tunnel, and MHLOW1 level can be sent to Ul by TESTIN.The low probe in black position of MHLOW1 connections print cartridge 1, when black position is higher than minimum, MHLOW1 is low level, otherwise is high level.U1 can determine whether that the whether black position of print cartridge 1 is less than minimum, be such as less than minimum, will start the refilling process from cartridge 1 to print cartridge 1 by detecting the height of TESTIN incoming levels.The black position monitoring process of other print cartridges or cartridge is similar.
The controlled motor start-up course of print cartridge 1：U1 puts MOT-EN for low level, and this opens variable connector U2 and U3;
Ul puts ADD0 ~ 3 for " XB0000 ", and this has gated the 0th tunnel, and M- and M+ are connected with MF-M-1 and MF-M+1 respectively；The motor control signal that U1 is sent by MOT- and MOT+, is converted to motor drive signal M+ and M-, then be sent to P1 through MF-M-1 and MF-M+1 through U6;So U1 can control to be connected to the forward or reverse of the controlled motor of P1 print cartridge 1 by controlling MOT- and MOT+ level, so as to realize refilling or the control of print procedure.The motor control process of other print cartridges or cartridge is similar.
The low alarm procedure in black position of cartridge 1：When the black position of cartridge 1 is less than minimum, MCLOW1 is changed into low level from high level, so that LED1 is luminous, produces alarm.
Audible alarm process：When U1 monitors alert if, it is high level that U1, which puts B1 mouthfuls, so that Q1 is turned on, SP sends sound.U1 is by controlling the dutycycle of the low and high level of B1 mouthfuls of output, and control SP sends the alarm sound of different frequency.
Work inductive switch（Mercoid switch K1) the course of work：When printer does not work, K1 is in by state, and U1 B0 mouths are high level, and control system enters resting state after a period of time；When printer works, K1 meeting Discontinuous Conductions, so that waking up control system enters people's working condition.
Example 3
As shown in Figure 10-11,301 in figure be ink feeder housing, the ink feeder cartridge 302 and waste ink recovery bin 328 of the different colours of six top tape ink filling ports 303 are provided with the ink feeder housing, the port of export in the bottom of ink feeder cartridge 302 is provided with an ink conduit 331 being connected with the top of printing of inkjet printer print cartridge 309;The air bin 308 that its underpart is connected with the ink feeder cartridge is provided with the side of ink feeder cartridge 302, the bottom that air admission hole 306 is provided with the top of the ink feeder cartridge is provided with an inlet chamber 305, a stomata 307 is provided between the inlet chamber and the top of air bin 308, one is provided with inlet chamber, and (structure of the valve is identical with the sealing valve in example 2 with the corresponding sealing valve 340 controlled by micro machine of stomata 307）；309-the side of printer ink cartridge for being arranged on ink feeder cartridge bottom is provided with the air bin 310 that its underpart is connected with the printer ink cartridge, the bottom that the top of printer ink cartridge 309 is provided with passage 318 is provided with a ventilation lumen 312, the air admission hole 311 communicated with the top of air bin 310 and the steam vent 319 communicated with printer ink cartridge are respectively equipped with the correspondence position of the ventilation lumen both sides, a micro machine 315 is provided with ventilation lumen 312, the output shaft of the micro machine 315 is meshed by gear with a rack 316, the two ends of the rack are respectively equipped with sealing-plug 314 and sealing-plug 317, wherein sealing-plug 314 is corresponding with air admission hole 311, sealing-plug 317 is then corresponding with steam vent 319.Probe-type liquid level sensor in printer ink cartridge 309 is two double probe level sensors, wherein one double probe level sensors are the scarce black liquid level sensor 321 for being located at printer ink cartridge bottom, and another double probe level sensors are the full black liquid level sensor 322 for being located at printer ink cartridge top.In addition, 304 in figure be the double probe level sensors being arranged in ink feeder cartridge, 323 be printhead, and 330 be printer housing.
Conduit 326 is reclaimed in waste ink recovery bin 328 by waste ink successively with waste ink recovery pump 325, waste ink recovery pump upper appendages 324 to be connected；Because the position of waste ink recovery bin 328 is higher than the waste ink recovery pump and waste ink recovery pump upper appendages 324 on printer, in order to prevent waste ink from flowing back, then the check-valves 327 provided with an anti-backflow on conduit 326 is being reclaimed close to the waste ink of waste ink recovery pump 325.329 in figure be the double probe level sensors being arranged in ink feeder cartridge.
Alarm and the circuit is controlled to be：
Its course of work is（By taking one of ink feeder cartridge and printer ink cartridge as an example）：Printer normal operating is in use, the sealing valve 340 in ink supply storehouse seals stomata 307, and the sealing-plug 317 on printer ink cartridge seals steam vent 319, and the top air inlet hole 311 of air bin 310 is then communicated by passage 318 with air.
When printer ink cartridge lacks ink, then control circuit then starts rapidly the sealing valve 340 of micro machine control, the stomata 307 on ink feeder cartridge is set to be communicated with air, control micro electric machine 315 closes air admission hole 311 and opens steam vent 319 simultaneously, now the ink in ink feeder cartridge is flowed into printer ink cartridge in the presence of self gravitation, when the contacts ink in the printer ink cartridge is to (flooding）When being located at the full black liquid level sensor of double probes on printer ink cartridge top, then show full ink-condition, its full black signal will be feedbacked to singlechip chip, the singlechip chip will will control sealing valve 340 to close stomata 307 by micro machine first, then, the closed grate hole 319 by the opening air admission hole 311 of micro machine 315, therefore be returned to printer normal operating use state again.
When ink feeder cartridge lacks ink, double probe level sensors 304 will give inkless information transmission by detector and control circuit 320, and circuit sends alarm, and corresponding indicator lamp 313 flashes, to point out user to add ink.
When waste ink recovery bin is completely black, double probe level sensors 329 will give full black information transmission by detector and control circuit, and circuit sends alarm, corresponding indicator lamp flicker, to point out to handle waste ink.The major function of the Monitoring and control system of the example：
The system major function is divided into monitoring, three parts of control and alarm, and six print cartridges can be at most monitored and controlled in it and corresponding six cartridges, a public waste ink recovery bin and a public waste ink force discharge part.
Monitoring function includes --- the too high or too low detection in black position of six print cartridges；The too low detection in black position of six cartridges；High detection is crossed in waste ink recovery bin ink position.Root police's function includes needing the alarm condition of human intervention --- and cartridge ink position is too low and the black position of waste ink recovery bin is too high, and type of alarm includes sound and light warning.Control function includes --- according to the black position situation of each print cartridge and cartridge monitored, add ink from cartridge to corresponding print cartridge under the conditions of corresponding.Module Division-Figure 12 of Monitoring and control system gives the Module Division of Monitoring and control system, and each functions of modules is briefly described below.
Central processing module --- central processing module is the core of Monitoring and control system, using MCU chip microcontrollers.Operationally its continuous Control peripheral circuit gathers the black position change of each print cartridge/cartridge：When the black position of print cartridge is less than minimum, it controls cartridge and respective valves and motor in print cartridge, from cartridge to print cartridge ink supply；When black position reaches maximum in print cartridge, stop from cartridge to print cartridge ink supply；When the black position of cartridge is less than minimum, controlling loudspeaker sends audible alarm；Corresponding intake valve is opened in control during normal work, so that printing is smooth.
I/O expansion modules --- the collection and controlled quentity controlled variable due to the system are more for multiplexing, and the number of pins of MCU single-chip microcomputers can not much meet needs, but system speed is less demanding, can solve this problem very well using the expansion module, again may be used
Substantially reduce cost, circuit volume and power consumption.Information is monitored and controlled in the transmission of central processing module and detection/between alarm and control interface in the module.
Monitoring/alarm of the individual print cartridge/cartridge in n-th (n=l ~ 6) and control interface --- the black position probe of this print cartridge/cartridge is connected, and result is sent to central processing module by I/O expansion modules；The valve or motor of this print cartridge/cartridge are connected, the control from I/O expansion modules is performed.
The monitoring alarm interface in waste ink storehouse --- the black position probe of connection waste ink recovery bin, and result is sent to central processing module by I/O expansion modules, light warning is produced if alert if is met.
Waste ink reclaims pump startup control interface --- connection waste ink recovery pump, perform the control from I/O expansion modules.
Inductive switch --- when printer does not work, central processing module is in a dormant state for work.When printer works, work inductive switch monitors the action of printer, and wakes up central processing module to perform normal work.
Audible alarm module --- produce audible ringing signal when meeting alert if.
Power supply --- provide electric power for the measurement and control system.Monitoring realizes that example and the course of work give monitoring and the instantiation of control circuit of example 2 in above-mentioned Fig. 9 with control circuit.The monitoring of this example 3 and control circuit and the circuit are essentially identical, difference is that the excuse for connecting print cartridge sealed electric-motor is connected into two way seal motor, the interface for connecting cartridge ink supply motor is connected to cartridge sealed electric-motor, the interface for being connected to intake valve motor is connected to waste ink recovery pump.The Module Division and the course of work of circuit are identical with example one, will not be repeated here.
Claims (10)
- Claim1, a kind of automatic ink supply system of ink jet printer that marking ink is provided to inkjet printer head, it includes printer ink cartridge, ink feeder housing, the ink feeder cartridge and waste ink recovery bin of the interior different colours at least provided with four top tape ink filling ports of ink feeder housing, the port of export in ink feeder cartridge bottom is provided with an ink conduit being connected with printing of inkjet printer print cartridge top, and the warning circuit including the probe-type liquid level sensor being provided with ink feeder cartridge, the warning circuit for-liquid level sensor by connecting wire successively with the detection circuit in ink feeder housing, control circuit, audible alarm circuit is concatenated;It is characterized in that：An evacuated tube communicated with air is provided with the top of ink feeder cartridge, the bottom of the cartridge is arranged on into evacuated tube one end in ink feeder cartridge, and the evacuated tube other end outside ink feeder cartridge is then come together in an emptying storehouse, the aeration vent in the emptying storehouse is arranged on the ink supply appliance mains switch, and the structure that aeration vent is closed/opened for switch circuit breaking/conducting；A granular membrane is additionally provided with ink conduit between ink feeder cartridge and printer ink cartridge.2nd, automatic ink supply system of ink jet printer according to claim 1, it is characterized in that：The ink supply appliance mains switch switchs for push type ship type, two power contacts of the side in the switch provided with pressing conducting, and opposite side is then provided with a pressing closure corresponding with aeration vent.3rd, the automatic ink supply system of ink jet printer according to claim 1, it is characterized in that：A probe-type liquid level sensor being connected with warning circuit is also equipped with waste ink recovery bin.4th, a kind of automatic ink supply system of ink jet printer that marking ink is provided to inkjet printer head, it includes printer ink cartridge, ink feeder housing, the ink feeder cartridge and waste ink recovery bin of the interior different colours at least provided with four top tape ink filling ports of ink feeder housing, the port of export in ink feeder cartridge bottom is provided with an ink conduit being connected with printing of inkjet printer print cartridge top, and the alarm in ink feeder cartridge including the probe-type liquid level sensor that is provided with and control circuit, the warning circuit is：Liquid level sensor by connecting wire successively with the detection circuit in ink feeder housing, control circuit, audible alarm circuit concatenation；It is characterized in that：An evacuated tube communicated with air is provided with the top of ink feeder cartridge, the bottom of cartridge is arranged on into evacuated tube one end in ink feeder cartridge, and the evacuated tube other end outside ink feeder cartridge is then come together in an emptying storehouse, a sealing valve controlled by micro machine is provided with the aeration vent in the emptying storehouse；In ink feeder cartridge inner bottom part on the position at ink outlet end, provided with a piston-propelled ink-supplying mechanism controlled by micro machine；A granular membrane is additionally provided with ink conduit between ink feeder cartridge and printer ink cartridge；The piston valve for emptying disconnected ink closing at evacuation port, the evacuation port provided with an ink supply controlled by micro machine is provided with the top of printer ink cartridge, a probe-type liquid level sensor being connected with warning circuit is again provided with the printer ink cartridge；Alarm and the circuit is controlled to be：The work inductive switch of a start-up circuit is provided with printer ink cartridge, the inductive switch connects with the input interface of the automatically supplying ink CS central processing module of singlechip chip；The interface of the automatically supplying ink CS central processing module is connected with cartridge, the liquid level detection circuit of print cartridge and warning circuit, micro machine start-up circuit respectively. 5th, the automatic ink supply system of ink jet printer according to claim 4, it is characterized in that：The piston valve for the disconnected ink closing of ink supply emptying that the sealing valve and micro machine that micro machine is controlled are controlled is screw propelling piston seal valve, and the structure is：A sealing piston is provided with aeration vent and evacuation port correspondence position, the rear end of the piston is provided with internally threaded sleeve, and a screw rod being connected with micro-motor output axle is provided with the inside of the threaded sleeve.6th, the automatic ink supply system of ink jet printer according to claim 4, it is characterized in that：The piston-propelled ink-supplying mechanism of micro machine control is included in is provided with an ink-filling chamber close to the ink outlet end of cartridge, and return spring, the promotion piston with ink through hole are sequentially provided with ink-filling chamber；An internally threaded sleeve is provided with the position corresponding with ink-filling chamber entrance and piston, a screw rod being connected with micro-motor output axle is provided with the inside of the threaded sleeve.7th, automatic ink supply system of ink jet printer according to claim 4, it is characterized in that：The piston valve of the disconnected ink closing of ink supply emptying of micro machine control is arranged in the cavity on printer ink cartridge top, and evacuation port is located on the printer ink cartridge housing on cavity top, and a steam vent being connected with printer ink cartridge is also provided with the side wall relative with piston valve.8th, the automatic ink supply system of ink jet printer according to claim 4, it is characterized in that：It is two probe-type liquid level sensors to be arranged on the probe-type liquid level sensor in printer ink cartridge, wherein one probe-type liquid level sensor is the scarce black liquid level sensor for being located at printer ink cartridge bottom, and another probe-type liquid level sensor is the full black liquid level sensor for being located at printer ink cartridge top.9th, a kind of automatic ink supply system of ink jet printer that marking ink is provided to inkjet printer head, it includes printer ink cartridge, ink feeder housing, the ink feeder cartridge and waste ink recovery bin of the interior different colours at least provided with four top tape ink filling ports of ink feeder housing, the port of export in ink feeder cartridge bottom is provided with an ink conduit being connected with printing of inkjet printer print cartridge top, and the alarm in ink feeder cartridge including the liquid level sensor that is provided with and control circuit, the warning circuit is：Liquid level sensor by connecting wire successively with the detection circuit in ink feeder housing, control circuit, audible alarm circuit concatenation;It is characterized in that：The first air bin that its underpart is connected with the ink feeder cartridge is provided with the side of ink feeder cartridge, the bottom that air admission hole is provided with the top of the ink feeder cartridge is provided with an inlet chamber, a stomata is provided between at the top of the inlet chamber and the first air bin, a sealing valve controlled by micro machine corresponding with stomata is provided with inlet chamber；The printer ink cartridge side for being arranged on ink feeder cartridge bottom is provided with the second air bin that its underpart is connected with the printer ink cartridge, the bottom that passage is provided with the top of the printer ink cartridge is provided with a ventilation lumen, the air admission hole communicated with the second air bin top and the steam vent communicated with printer ink cartridge are respectively equipped with the correspondence position of the ventilation lumen both sides, a two-way plug sealing valve controlled by micro machine is provided with ventilation lumen, wherein a sealing-plug is corresponding with air admission hole, and another sealing-plug is then corresponding with steam vent；Probe-type liquid level sensor is additionally provided with printer ink cartridge；Alarm and the circuit is controlled to be：The work inductive switch of a start-up circuit is provided with printer ink cartridge, the inductive switch connects with the input interface of the automatically supplying ink CS central processing module of singlechip chip；The interface of the automatically supplying ink CS central processing module is connected with cartridge, the liquid level detection circuit of print cartridge and warning circuit, micro machine start-up circuit respectively. 10th, automatic ink supply system of ink jet printer according to claim 9, it is characterized in that：The sealing valve that micro machine is controlled is screw propelling piston seal valve, and the structure is：A sealing piston is provided with stomata correspondence position, the rear end of the sealing piston is provided with internally threaded sleeve, a screw rod being connected with micro-motor output axle is provided with the inside of the Luo Pattern sleeve pipes.11st, automatic ink supply system of ink jet printer according to claim 9, it is characterized in that：Two way seal valve its structure controlled by micro machine is：The output shaft of the micro machine is meshed by gear with a rack, and the two ends of the rack are respectively equipped with sealing-plug.12nd, automatic ink supply system of ink jet printer according to claim 9, it is characterized in that：It is two probe-type liquid level sensors to be arranged on the probe-type liquid level sensor in printer ink cartridge, wherein one probe-type liquid level sensor is the scarce black liquid level sensor for being located at printer ink cartridge bottom, and another probe-type liquid level sensor is the full black liquid level sensor for being located at printer ink cartridge top.
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| Application Number | Priority Date | Filing Date | Title |
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| CNA2005800404767A CN101253047A (en) | 2005-02-05 | 2005-02-05 | Automatic ink supply system of ink jet printer |
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| Application Number | Priority Date | Filing Date | Title |
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| CNA2005800404767A CN101253047A (en) | 2005-02-05 | 2005-02-05 | Automatic ink supply system of ink jet printer |
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| CN101253047A true CN101253047A (en) | 2008-08-27 |
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| CNA2005800404767A Pending CN101253047A (en) | 2005-02-05 | 2005-02-05 | Automatic ink supply system of ink jet printer |
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| CN102717604A (en) * | 2012-06-29 | 2012-10-10 | 珠海天威飞马打印耗材有限公司 | Ink filling device |
| CN102753351A (en) * | 2009-12-23 | 2012-10-24 | 马肯依玛士公司 | Measuring system in a fluid circuit of a continuous ink jet printer, related fluid circuit and block designed to implement said measuring system |
| CN102834271A (en) * | 2010-02-01 | 2012-12-19 | 马肯依玛士公司 | Device forming a continuous inkjet printer cabinet with reduced concentrations of solvent vapor inside and around the cabinet |
| CN102862392A (en) * | 2012-09-11 | 2013-01-09 | 王荣 | Automatic ink charging device of printer |
| US8888209B2 (en) | 2009-12-23 | 2014-11-18 | Markem-Imaje | System for determining the autonomy in consumable fluids of a continuous ink jet printer |
| CN105437777A (en) * | 2015-12-08 | 2016-03-30 | 北海市天硌打印耗材有限公司 | Intelligent ink injection device for printer ink cartridge |
| CN108326309A (en) * | 2018-04-08 | 2018-07-27 | 北京梦之墨科技有限公司 | Printer ink cartridge and printing equipment |
| CN108407468A (en) * | 2018-01-29 | 2018-08-17 | 崔浩轩 | It is a kind of can automatic liquid supply and removal waste fluid print cartridge |
| CN109228666A (en) * | 2014-07-24 | 2019-01-18 | 兄弟工业株式会社 | Liquid consuming device |
| CN113329882A (en) * | 2019-07-08 | 2021-08-31 | 惠普发展公司有限责任合伙企业 | Device for supplying printing material |
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| CN102753351B (en) * | 2009-12-23 | 2016-02-17 | 马肯衣玛士控股公司 | Measuring system in the fluid circuit of continous inkjet printers, relevant fluid circuit and be designed to the module performing described measuring system |
| CN102753351A (en) * | 2009-12-23 | 2012-10-24 | 马肯依玛士公司 | Measuring system in a fluid circuit of a continuous ink jet printer, related fluid circuit and block designed to implement said measuring system |
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| US9102157B2 (en) | 2009-12-23 | 2015-08-11 | Markem-Imaje Holding | Measuring system in a fluid circuit of a continuous inkjet printer, related fluid circuit and block designed to implement said measuring system |
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| CN102834271A (en) * | 2010-02-01 | 2012-12-19 | 马肯依玛士公司 | Device forming a continuous inkjet printer cabinet with reduced concentrations of solvent vapor inside and around the cabinet |
| CN102717604A (en) * | 2012-06-29 | 2012-10-10 | 珠海天威飞马打印耗材有限公司 | Ink filling device |
| CN102862392A (en) * | 2012-09-11 | 2013-01-09 | 王荣 | Automatic ink charging device of printer |
| CN109228666B (en) * | 2014-07-24 | 2020-06-30 | 兄弟工业株式会社 | Liquid consuming apparatus |
| CN109228666A (en) * | 2014-07-24 | 2019-01-18 | 兄弟工业株式会社 | Liquid consuming device |
| CN105437777A (en) * | 2015-12-08 | 2016-03-30 | 北海市天硌打印耗材有限公司 | Intelligent ink injection device for printer ink cartridge |
| CN108407468A (en) * | 2018-01-29 | 2018-08-17 | 崔浩轩 | It is a kind of can automatic liquid supply and removal waste fluid print cartridge |
| CN108326309A (en) * | 2018-04-08 | 2018-07-27 | 北京梦之墨科技有限公司 | Printer ink cartridge and printing equipment |
| CN113329882A (en) * | 2019-07-08 | 2021-08-31 | 惠普发展公司有限责任合伙企业 | Device for supplying printing material |
| CN113329882B (en) * | 2019-07-08 | 2023-01-06 | 惠普发展公司有限责任合伙企业 | Device for supplying printing material |
| US11718098B2 (en) | 2019-07-08 | 2023-08-08 | Hewlett-Packard Development Company L.P. | Device to supply printing material |
| CN114055927B (en) * | 2021-11-11 | 2023-08-11 | 苏州市大象印刷包装有限公司 | Multicolor digital printing process for packaging paper box |
| CN114055927A (en) * | 2021-11-11 | 2022-02-18 | 苏州市大象印刷包装有限公司 | Multicolor digital printing process for packaging carton |
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