CN1107222C - Ink capacity measuring method and device - Google Patents
Ink capacity measuring method and device Download PDFInfo
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- CN1107222C CN1107222C CN 99103143 CN99103143A CN1107222C CN 1107222 C CN1107222 C CN 1107222C CN 99103143 CN99103143 CN 99103143 CN 99103143 A CN99103143 A CN 99103143A CN 1107222 C CN1107222 C CN 1107222C
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- ink
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- capacity measuring
- storehouse
- processor
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- 238000000034 method Methods 0.000 title claims abstract description 29
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 5
- 229910052710 silicon Inorganic materials 0.000 claims description 5
- 239000010703 silicon Substances 0.000 claims description 5
- 239000000976 ink Substances 0.000 description 232
- 230000006835 compression Effects 0.000 description 5
- 238000007906 compression Methods 0.000 description 5
- 238000001514 detection method Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- UQMRAFJOBWOFNS-UHFFFAOYSA-N butyl 2-(2,4-dichlorophenoxy)acetate Chemical compound CCCCOC(=O)COC1=CC=C(Cl)C=C1Cl UQMRAFJOBWOFNS-UHFFFAOYSA-N 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000007641 inkjet printing Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 238000002310 reflectometry Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
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- Ink Jet (AREA)
Abstract
The present invention relates to an ink capacity measuring method and a device thereof. A pressure sensing device is coupled with an ink case processor and is arranged between an ink cartridge and a processor, and the pressure sensing device is used for measuring air pressure in an ink case. Consequently, the air pressure is converted into the corresponding ink capacities by the processor so that the left ink capacities in the ink case or the ink cartridge are accurately measured. When the ink in the ink case is insufficient, an alarm device sends out a signal to inform a user to replace the ink case or the ink cartridge.
Description
The present invention is relevant for a kind of ink capacity measuring method and device thereof.
Be that ink droplet with the denier in the ink cartridges is injected into via nozzle on the predetermined file in the high pressure mode with the principle of bubble type ink-jet (Bubble Inkjet) at present on the market printer.
At United States Patent (USP): (1) the 4th, 371, No. 790 " Fluid Measuring System "; (2) the 4th, 415, No. 886 " Residual Ink Detection Mechanism "; (3) the 4th, 788, No. 861 " Apparatus And Circuit For Monitoring The Ink Supply AndInk Printer Devices "; (4) the 5th, 136, No. 305 " Ink Jet Printer With InkSupply Monitoring Means "; (5) the 5th, 386, No. 224 " Ink Level SensingProbe System For An Ink Jet Printer "; And (6) the 5th, in 635, No. 962 " CapacitiveInk Level Detection Sensor ", the change of exposing the relative dielectric medium (dielectric) of institute when utilizing ink capacity to change in regular turn measures quantity of ink remaining in the water casket.Yet dielectric medium can have different change amounts along with different ink materials, thereby can't measure amount of ink remaining under the operating position of same ink cartridges, different inks effectively.
In United States Patent (USP) the 4th, 639, expose in No. 738 " Ink Level Detection System For Ink JetPrinting Apparatus " and utilize differential manometer for the pressure differential of the upper and lower liquid level of ink tank and calculate amount of ink remaining at any time.Yet ' No. 738 case is effectively to measure for the ink capacity with elastomeric ink tank inside.In addition, in United States Patent (USP) the 4th, 935, No. 751 " Level Sensor For Ink Bag ", the 5th, 434, in No. 603 " Ink Cartridge With Passageway For Ink Level Indicator ", expose utilize ink tank outside wall to demonstrate the amount of ink remaining of its internal ink water bag, the user can determine whether to change ink tank via visual judgement.Because ' No. 751 case and ' No. 603 case all must can be judged consumption of ink situation in the ink tank via user's observation, using the device of this ink tank or machine is to inform automatically.
In United States Patent (USP) the 5th, 079, expose in No. 570 " Capillary Reservoir Binary Ink LevelSensor " and utilize at least one binary fluid indicator (Binary FluidicIndicator) carrying out the ink capacity decision method of visual differentiation, device or machine simultaneously, but this mode just can be provided with the binary fluid indicator after the external structure of ink tank significantly must being changed.
In United States Patent (USP) the 5th, 414, expose in No. 452 " Recognition Of Ink Expiry In An Inket Printing Head " and utilize counter to come the ink output quantity of recording nozzles.Because ' No. 452 are adopted relevant calculation rule and are selected the circuit except cooperating, and will accumulate certain error amount under calculating for a long time, influence its exact value.
In United States Patent (USP) the 5th, 574, expose in No. 484 " Level Detection For Ink Cartridges OfInk-Jet Printers " and utilize position (angle) inductor to measure the water level variable of ink bag, but position (angle) inductor then must limit the use of in specific ink bag and mechanism thereof.
In United States Patent (USP) the 5th, 616, expose in No. 929 " Ink Tank With An Level DetectorHaving A Viewing Window " and utilize light emitting source and perspective window, influence the principle of its reflectivity and penetrance by visible light is subjected to the effect of ink, make the user to change and the judgement exhausted amount of ink via the luminosity of perspective window.Yet, should ' No. 929 be can't be when ink is about to exhaust, via device or machine itself automatically be detected and early warning.
In United States Patent (USP) the 5th, 721, expose in No. 573 " Cooldown Timing System MonitorsInkjet Cartridge Ink Level " and utilize the nozzle of controlling ink cartridges when cooling, carry out the consumption situation that the temperature sampling mode is assessed ink for nozzle.Equally in ' No. 929 case, ' 573 case via device or machine itself is automatically detected and early warning, and when taking a sample with temperature, will form the evaporation of part ink via the effect of temperature when ink is about to exhaust.
In United States Patent (USP) the 5th, 731, expose in No. 824 " Ink Level Sensing System For An InkPrinter " and utilize the mode weigh to measure, but the numerical value of weighing often is not inconsistent with the ink capacity of reality for ink bag.
In United States Patent (USP) the 5th, 774, exposing in No. 136 " Ultrasonic Method For MonitoringInkjet Cartridge Levels " utilizes ultrasonic to measure for the ink capacity of rigidity ink cartridges inside, its mode is that the Supersonic wave source is arranged at rigidity ink cartridges inside, monitor ink capacity with ultrasonic for the mistiming of the reflection signal of different quantity of ink, but this mode is to be only applicable to the rigidity ink cartridges.
In view of this, the objective of the invention is to be directed to above-mentioned known techniques and propose to improve and a kind of ink capacity measuring method and device thereof be provided, with the measurement of the ink capacity that is applicable to most ink cartridges inside.
Technical scheme of the present invention is:
A kind of ink capacity measuring method is characterized in that: include the following step:
This ink capacity gas inside pressure of sensing;
This gaseous tension is sent to a processor;
Convert this gaseous tension to the ink capacity of equity mutually by this processor computing unit; And
When this gaseous tension is lower than a setup pressure value, sends a signal and change this ink tank to notify the user.
Described ink capacity measuring method is characterized in that: this gaseous tension is to measure by a pressure-sensing device.
Described ink capacity measuring method is characterized in that: this ink tank is the ink cartridges with nozzle.
Described ink capacity measuring method is characterized in that: this ink cartridges includes a scalable ink bag and a pressure adjustment assembly, and this pressure adjustment assembly is in order to this ink bag is carried out the pressure adjustment.
Described ink capacity measuring method is characterized in that: this ink tank is connected with at least one ink storehouse.
Described ink capacity measuring method is characterized in that: this ink storehouse includes a scalable ink bag and a pressure adjustment assembly, and this pressure adjustment assembly is in order to this ink bag is carried out the pressure adjustment.
Described ink capacity measuring method, it is characterized in that: between this ink storehouse and this processor this pressure-sensing device is set, measure this ink storehouse gas inside pressure by this pressure-sensing device, and convert this gaseous tension to the ink capacity of equity mutually by this processor.
Described ink capacity measuring method is characterized in that: this ink storehouse is an open ink storehouse, and this open ink storehouse has an air hole.
Described ink capacity measuring method is characterized in that: this gas pressure value of this ink cartridges inside is to be controlled in a critical pressure value scope, and this critical pressure value scope is to decide according to the structure of this ink tank.
Described ink capacity measuring method is characterized in that: this pressure-sensing device is a silicon base pressure sensor.
A kind of ink capacity measuring device is characterized in that: comprising:
One processor; And
One pressure-sensing device is coupled between this ink cartridges and this processor, and this pressure-sensing device is in order to measuring this ink cartridges gas inside pressure, and converts this gaseous tension to the ink capacity of equity mutually by this processor.
Described ink capacity measuring device is characterized in that: this ink cartridges includes in order to export a nozzle of this ink.
Described ink capacity measuring device is characterized in that: this ink cartridges includes a scalable ink bag and a pressure adjustment assembly, and this pressure adjustment assembly is in order to this ink bag is carried out the pressure adjustment.
Described ink capacity measuring device is characterized in that: this ink cartridges is connected with at least one ink storehouse.
Described ink capacity measuring device is characterized in that: this ink storehouse includes a scalable ink bag and a pressure adjustment assembly.
Described ink capacity measuring device, it is characterized in that: between this ink storehouse and this processor this pressure-sensing device is set, measure this ink storehouse gas inside pressure by this pressure-sensing device, and convert this gaseous tension to the ink capacity of equity mutually by this processor.
Described ink capacity measuring device is characterized in that: this ink storehouse is an open ink storehouse, and this open ink storehouse has an air hole.
Described ink capacity measuring device is characterized in that: be provided with an attention device, this attention device is to be coupled to this processor.
Described ink capacity measuring device is characterized in that: this gas pressure value of this ink cartridges inside is to be controlled in a critical pressure value scope, and this critical pressure value scope is to decide according to the structure of this ink tank.
Described ink capacity measuring device is characterized in that: this pressure-sensing device is a silicon base pressure sensor.
Effect of the present invention is:
Ink capacity measuring device of the present invention comprises: a processor; And a pressure-sensing device, being coupled between ink cartridges and the processor, pressure-sensing device is in order to measurement ink cartridges gas inside pressure, and converts gaseous tension to the ink capacity of equity mutually by processor.
Each ink cartridges includes in order to output one of ink nozzle, and each ink cartridges includes a scalable ink bag and a pressure adjustment assembly, and pressure adjustment assembly is in order to ink bag is carried out the pressure adjustment.Each ink cartridges can be connected to an ink storehouse, by the ink storehouse to provide ink cartridges extra ink, the pattern in this ink storehouse can adopt the ink storehouse with a scalable ink bag and a pressure adjustment assembly, or adopt an open ink storehouse, wherein, pressure adjustment assembly is in order to ink bag is carried out the pressure adjustment, and open ink storehouse is to have an air hole.Between ink storehouse and processor, be provided with pressure-sensing device, measure ink storehouse gas inside pressure, and convert gaseous tension to the ink tank of equity mutually by processor by pressure-sensing device.The ink capacity measuring device is provided with an attention device, and attention device is to be coupled to processor, when the quantity of ink in ink cartridges and/or ink storehouse is not enough, carries out the replacing in ink cartridges or ink storehouse by attention device to notify the user.
The present invention measures the inner remaining ink capacity of ink cartridges or ink storehouse applicable to different types of ink.
For above-mentioned purpose of the present invention, feature and advantage can be become apparent, a preferred embodiment cited below particularly, and cooperate appended graphicly, do one and describe in detail.
Graphic drawing is described as follows:
Fig. 1 is arranged at the planimetric map of rigidity ink cartridges for ink capacity measuring device of the present invention;
Fig. 2 is arranged at the planimetric map of the ink cartridges of tool ink bag for ink capacity measuring device of the present invention;
Fig. 3 A is that ink capacity measuring device of the present invention is arranged at the planimetric map between the ink storehouse of a rigidity ink cartridges and a tool ink bag;
Fig. 3 B is that ink capacity measuring device of the present invention is arranged at the planimetric map between a rigidity ink cartridges and the rigidity ink storehouse; And
Fig. 4 is the operational flowchart of ink capacity measuring device of the present invention.
Fig. 5 is the structural representation of the pressure adjustment assembly among Fig. 2 of the present invention.
As shown in Figure 1, ink cartridges 1 be by a hard shell 10, a nozzle 12 and a filtrator 13 constitute ink L
1Be to hold to fill among the housing 10, other remainder in the housing 10 then is gas A
1Gas A
1The original pressure value be about one 5～100cmW.C. (Water Column), and its volume is about 2～3c.c. (generally being less than 5c.c.).Pressure-sensing device 31 is to be coupled between ink cartridges 1 and the processor 30, and pressure-sensing device 31 is to be communicated to gas A
1Mode be arranged on the housing 10.The gas A that is measured by pressure-sensing device 31
1Force value is sent to processor 30 via lead 33, and by after the calculating of processor 30 with gas A
1Pressure converts the ink capacity of equity mutually to.Ink L when ink cartridges 1 inside
1Be about to exhaust via nozzle 12, and ink cartridges 1 internal gas A
1Force value when reaching the default critical pressure value scope of processor 30, processor 30 will notify attention device 32 to send signal in time, carries out the replacing of ink cartridges 1 to inform the user.
See also Fig. 3 A, 3B, 3A figure is that expression ink tank measurement mechanism of the present invention is arranged at the planimetric map between the ink storehouse 4 of ink cartridges 1 and a tool ink bag 41, and 3B figure represents that ink capacity measuring device of the present invention is arranged at the planimetric map between an ink cartridges 1 and the rigidity ink storehouse 5.
As shown in Figure 2, ink cartridges 2 is to be that ink cartridges 2 inside have a soft ink bag 21 and a pressure adjustment assembly 25 with the difference of the ink cartridges 1 of Fig. 1, wherein pressure adjustment assembly 25 is to be arranged among the ink bag 21, automatically ink bag 21 is compressed (shown in the direction of arrow) by pressure adjustment assembly 25, make ink L
1Be supplied to nozzle 22 continuously.Similarly, as ink L
1When being about to exhaust via nozzle 12, processor 30 will notify attention device 32 to send signal in time, carries out the replacing of ink cartridges 1 to inform the user.
As shown in Figure 3A, 4 outsides, ink storehouse are made of a hard shell 40.Be to be interconnected between ink cartridges 1 and the ink bag 41, and pipeline 34 be positioned the outside in ink cartridges 1 and ink storehouse 4 by two joints 35,36 by a pipeline 34.Ink bag 41 inside in the ink storehouse are provided with a pressure adjustment assembly 45, can automatically ink bag 41 be compressed (shown in the direction of arrow) by pressure adjustment assembly 45, make ink L
1Be supplied to ink cartridges 1 continuously.Pressure-sensing device 31 is to be communicated to gas A
3Mode be arranged on the external shell 40 in ink storehouse 4 the gas A that is measured by pressure-sensing device 31
3Force value is sent to processor 30 via lead 33, and by after the calculating of processor 30 with gas A
3Pressure converts the ink capacity of equity mutually to.Ink L in the ink bag 41 in ink storehouse 4
2When being about to exhaust, processor 30 will notify attention device 32 to send signal in time, carries out the replacing in ink storehouse 4 to inform the user.
Shown in Fig. 3 B, with the difference in the ink storehouse 4 of Fig. 3 A be to be that ink storehouse 5 is an open ink storehouse 5, that is on the hard shell 50 in ink storehouse 5, has an air hole 52, this air hole 52 makes 5 inside, ink storehouse be interconnected with 5 outsides, ink storehouse (external world), but pressure-sensing device 31 is to be arranged on the external shell 10 of ink cartridges 1, measures the gas inside A of ink cartridges 1 by pressure-sensing device 31
1Pressure, and then with gas A
1Force value is sent to processor 30 via lead 33, to convert the ink capacity of equity mutually to.Ink L when 5 inside, ink storehouse
2When being about to exhaust, processor 30 will notify attention device 32 to send signal in time, carries out the replacing in ink storehouse 5 to inform the user.
Similarly, the ink cartridges in Fig. 3 A, 3B 1 also can adopt the ink cartridges 2 (as shown in Figure 2) with ink bag 21.
See also Fig. 4, Fig. 4 is the operational flowchart of expression ink capacity measuring device of the present invention.The step of ink capacity measuring method of the present invention is:
(1) ink cartridges or the ink storehouse gas inside force value that are measured of pressure-sensing device 31 is sent to processor 30 immediately;
(2) and convert mutually the ink capacity 301 of equity to; And
(2) in case the ink capacity 301 of equity is less than predetermined ink capacity 302, processor 30 will notify attention device 32 to send signal, carry out the replacing in ink cartridges or ink storehouse to inform user 6.
Fig. 5 is the plane structure chart of expression at the pressure adjustment assembly among Fig. 2 25.Pressure adjustment assembly 45 in Fig. 3 A has same structure with pressure adjustment assembly 25, only explains with regard to pressure adjustment assembly 25 in this.
Pressure-sensing device 31 in the various embodiments described above is to adopt silicon base (SiliconSubstrate) pressure sensor, change effectively to detect minimum gas pressure, and the present invention measures its inner remaining ink capacity applicable to different types of ink material.
Claims (20)
1, a kind of ink capacity measuring method is characterized in that: include the following step:
This ink tank gas inside pressure of sensing;
This gaseous tension is sent to a processor;
Convert this gaseous tension to the ink capacity of equity mutually by this processor computing unit; And
When this gaseous tension is lower than a setup pressure value, sends a signal and change this ink tank to notify the user.
2, ink capacity measuring method as claimed in claim 1 is characterized in that: this gaseous tension is to measure by a pressure-sensing device.
3, ink capacity measuring method as claimed in claim 2 is characterized in that: this ink tank is the ink cartridges with nozzle.
4, ink capacity measuring method as claimed in claim 3 is characterized in that: this ink cartridges includes a scalable ink bag and a pressure adjustment assembly, and this pressure adjustment assembly is in order to this ink bag is carried out the pressure adjustment.
5, ink capacity measuring method as claimed in claim 4 is characterized in that: this ink tank is connected with at least one ink storehouse.
6, ink capacity measuring method as claimed in claim 5 is characterized in that: this ink storehouse includes a scalable ink bag and a pressure adjustment assembly, and this pressure adjustment assembly is in order to this ink bag is carried out the pressure adjustment.
7, ink capacity measuring method as claimed in claim 6, it is characterized in that: between this ink storehouse and this processor this pressure-sensing device is set, measure this ink storehouse gas inside pressure by this pressure-sensing device, and convert this gaseous tension to the ink capacity of equity mutually by this processor.
8, ink capacity measuring method as claimed in claim 7 is characterized in that: this ink storehouse is an open ink storehouse, and this open ink storehouse has an air hole.
9, ink capacity measuring method as claimed in claim 8 is characterized in that: this gas pressure value of this ink cartridges inside is to be controlled in a critical pressure value scope, and this critical pressure value scope is to decide according to the structure of this ink tank.
10, ink capacity measuring method as claimed in claim 9 is characterized in that: this pressure-sensing device is a silicon base pressure sensor.
11, a kind of ink capacity measuring device is characterized in that: comprising:
One processor; And
One pressure-sensing device is coupled between this ink cartridges and this processor, and this pressure-sensing device is in order to measuring this ink cartridges gas inside pressure, and converts this gaseous tension to the ink capacity of equity mutually by this processor.
12, ink capacity measuring device as claimed in claim 11 is characterized in that: this ink cartridges includes in order to export a nozzle of this ink.
13, as claim 12 described ink capacity measuring devices, it is characterized in that: this ink cartridges includes a scalable ink bag and a pressure adjustment assembly, and this pressure adjustment assembly is in order to this ink bag is carried out the pressure adjustment.
14, ink capacity measuring device as claimed in claim 13 is characterized in that: this ink cartridges is connected with at least one ink storehouse.
15, ink capacity measuring device as claimed in claim 14 is characterized in that: this ink storehouse includes a scalable ink bag and a pressure adjustment assembly.
16, ink capacity measuring device as claimed in claim 15, it is characterized in that: between this ink storehouse and this processor this pressure-sensing device is set, measure this ink storehouse gas inside pressure by this pressure-sensing device, and convert this gaseous tension to the ink capacity of equity mutually by this processor.
17, ink capacity measuring device as claimed in claim 14 is characterized in that: this ink storehouse is an open ink storehouse, and this open ink storehouse has an air hole.
18, as claim 11 or 14 or 16 or 17 described ink capacity measuring devices, it is characterized in that: be provided with an attention device, this attention device is to be coupled to this processor.
19, ink capacity measuring device as claimed in claim 18 is characterized in that: this gas pressure value of this ink cartridges inside is to be controlled in a critical pressure value scope, and this critical pressure value scope is to decide according to the structure of this ink tank.
20, ink capacity measuring device as claimed in claim 19 is characterized in that: this pressure-sensing device is a silicon base pressure sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99103143 CN1107222C (en) | 1999-03-23 | 1999-03-23 | Ink capacity measuring method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99103143 CN1107222C (en) | 1999-03-23 | 1999-03-23 | Ink capacity measuring method and device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1267819A CN1267819A (en) | 2000-09-27 |
| CN1107222C true CN1107222C (en) | 2003-04-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99103143 Expired - Fee Related CN1107222C (en) | 1999-03-23 | 1999-03-23 | Ink capacity measuring method and device |
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| CN (1) | CN1107222C (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101598586B (en) * | 2009-04-13 | 2011-03-09 | 广州市怡文环境科技股份有限公司 | MEMS technology based micro liquid level metering device and method thereof |
| CN109188596B (en) * | 2018-10-26 | 2020-06-16 | 合肥京东方显示光源有限公司 | Light guide plate mesh point supplementing device and method thereof |
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1999
- 1999-03-23 CN CN 99103143 patent/CN1107222C/en not_active Expired - Fee Related
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| Publication number | Publication date |
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| CN1267819A (en) | 2000-09-27 |
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Granted publication date: 20030430 Termination date: 20110323 |