CN109823063B - Secondary ink box ink overflow alarm device and method and ink-jet printing system - Google Patents
Secondary ink box ink overflow alarm device and method and ink-jet printing system Download PDFInfo
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- 238000004891 communication Methods 0.000 claims description 9
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- 238000007639 printing Methods 0.000 abstract description 16
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Abstract
The application discloses secondary ink box ink overflow alarm device, method and inkjet printing system, and this secondary ink box ink overflow alarm device includes: the ink tube, the liquid detection unit and the alarm unit. The ink tube is connected out from the bottom of the secondary ink box and vertically extends upwards to the top end of the secondary ink box. The liquid detection unit is arranged at a preset height position in the ink tube and used for detecting whether the liquid level in the ink tube reaches the preset height. The alarm unit is electrically connected with the liquid detection unit and used for giving an alarm when the liquid detection unit detects that the liquid level in the ink tube reaches the preset height. In the scheme of this application, realized reporting to the police when secondary ink horn liquid level is too high, and then can prevent that the ink from spilling over the harm that causes, be favorable to the development of digital printing technique.
Description
Technical Field
The application relates to the technical field of digital printing, in particular to a secondary ink box ink overflow alarm device and an ink-jet printing system.
Background
Digital printing is an emerging printing technology in recent years. Generally refers to the digitization of part or all of the overall process. Digital printing is a brand new printing mode which is different from the traditional complicated printing process by directly printing computer files on paper. The digital printing has the advantages of simplicity, rapidness, flexibility and the like, and is different from the traditional printing in that the digital printing can be printed one by one, the data is variable, the pictures and texts can be transmitted through various media, and the application range of digital imaging is greatly improved.
Digital printing technology, while having many advantages, has its own drawbacks as it is an emerging technology. For example: in a constant pressure ink supply inkjet printing system, a secondary ink tank directly supplies ink to a nozzle, and the liquid level of the secondary ink tank is required to be accurately controlled. At present, it is a common practice to install an ultrasonic sensor at the top end of the ink cartridge to detect the liquid level of the secondary ink cartridge, and the accuracy of the ultrasonic sensor can reach 1 mm. The detection precision of the ultrasonic sensor is high, the response speed is high, but the liquid level detection system has certain risks. First, due to a program failure or a circuit failure, the liquid level of the ink cartridge may continuously rise and overflow from the top end of the ink cartridge. The consequence of ink spillage: firstly, the ink can get into the gas circuit, still can spill over the ink horn outside, and the cleaning work is extremely loaded down with trivial details. Secondly, the ink can contaminate the ultrasonic sensor and the air filter at the top end of the ink box, which leads to the direct scrapping of the two devices. Secondly, when the ultrasonic sensor fails, the detected liquid level will not match the actual level. Due to the material of the ink box, the liquid level of the ink box is difficult to observe from the outside.
Disclosure of Invention
In view of this, the embodiment of the present application provides an ink overflow alarm device for a secondary ink cartridge and an inkjet printing system, so as to alarm when a liquid level of the secondary ink cartridge is too high, thereby preventing damage caused by ink overflow.
The first aspect of the embodiments of the present application provides a secondary cartridge ink overflow alarm device, including:
the ink tube, the liquid detection unit and the alarm unit; wherein the content of the first and second substances,
the ink tube is connected out from the bottom of the secondary ink box and vertically extends upwards to the top end of the secondary ink box;
the liquid detection unit is arranged at a preset height position in the ink tube and used for detecting whether the liquid level in the ink tube reaches the preset height or not;
the alarm unit is electrically connected with the liquid detection unit and used for giving an alarm when the liquid detection unit detects that the liquid level in the ink tube reaches the preset height.
In a possible implementation manner, in the above apparatus provided by the embodiment of the present application, the alarm unit includes: a buzzer and a warning light; wherein the content of the first and second substances,
the buzzer and the warning lamp are respectively and electrically connected with the liquid detection unit;
the buzzer is used for giving an alarm sound when the liquid detection unit detects that the liquid level in the ink tube reaches the preset height;
and the warning lamp is used for sending alarm light when the liquid detection unit detects that the liquid level in the ink tube reaches the preset height.
In a possible implementation manner, the embodiment of the present application provides the above apparatus, wherein the ink tube is a non-sealing tube and is communicated with the atmosphere through an air filter.
In a possible implementation manner, in the apparatus provided in this embodiment of the present application, the apparatus further includes: a relay;
the relay is arranged between an ink pump for supplying ink to the secondary ink box and the liquid detection unit; the relay is respectively in communication connection with an ink pump for supplying ink to the secondary ink box and the liquid detection unit;
and the relay is used for controlling the ink pump to be powered off to stop supplying ink to the secondary ink box when the liquid detection unit detects that the liquid level in the ink tube reaches the preset height.
In a possible implementation manner, in the above apparatus provided by the embodiment of the present application, the ink tube is a transparent ink tube.
A second aspect of the embodiments of the present application provides a secondary cartridge ink overflow warning method, including:
the liquid detection unit detects whether the liquid level in the ink tube reaches a preset height;
if the liquid detection unit detects that the liquid level in the ink tube reaches the preset height, an alarm unit gives an alarm;
the ink tube is connected out from the bottom of the secondary ink box and vertically extends upwards to the top end of the secondary ink box.
In a possible implementation manner, in the foregoing method provided in an embodiment of the present application, the alarm unit includes: a buzzer and a warning light;
if the liquid detection unit detects that the liquid level in the ink tube reaches the preset height, an alarm unit gives an alarm, specifically comprising;
if the liquid detection unit detects that the liquid level in the ink tube reaches the preset height, the buzzer sends out an alarm sound;
and if the liquid detection unit detects that the liquid level in the ink tube reaches the preset height, the warning lamp emits warning light.
In a possible implementation manner, the method provided in this embodiment of the present application further includes:
when the liquid detection unit detects that the liquid level in the ink tube reaches the preset height, the relay controls the ink pump to be powered off to stop supplying ink to the secondary ink box;
the relay is arranged between the ink pump for supplying ink to the secondary ink box and the liquid detection unit, and the relay is respectively connected with the ink pump for supplying ink to the secondary ink box and the liquid detection unit in a communication mode.
In a possible implementation manner, in the above method provided by the embodiment of the present application, the ink tube is a transparent ink tube.
A third aspect of embodiments of the present application provides an inkjet printing system including a secondary cartridge overflow warning device as described in the first aspect above.
The application provides a secondary ink box ink overflow alarm device, a method and an ink-jet printing system, wherein the secondary ink box ink overflow alarm device comprises: the ink tube, the liquid detection unit and the alarm unit. The ink tube is connected out from the bottom of the secondary ink box and vertically extends upwards to the top end of the secondary ink box. The liquid detection unit is arranged at a preset height position in the ink tube and used for detecting whether the liquid level in the ink tube reaches the preset height. The alarm unit is electrically connected with the liquid detection unit and used for giving an alarm when the liquid detection unit detects that the liquid level in the ink tube reaches the preset height. In the scheme of this application, realized reporting to the police when secondary ink horn liquid level is too high, and then can prevent that the ink from spilling over the harm that causes, be favorable to the development of digital printing technique.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present application, and other drawings can be obtained by those skilled in the art according to these drawings.
Fig. 1 is a schematic structural diagram of a secondary ink tank ink overflow warning device according to an embodiment of the present application;
fig. 2 is a schematic structural diagram of a secondary ink tank ink overflow alarm device provided in the second embodiment of the present application;
fig. 3 is a flowchart of a secondary ink cartridge ink overflow warning method provided in the third embodiment of the present application.
Reference numerals:
110-ink tubes; 120-a liquid detection unit; 130-an alarm unit;
100-a secondary cartridge; 140-a relay; 131-a buzzer;
132-warning light.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments obtained based on the embodiments in the present application belong to the protection scope of the present application.
The terms "first," "second," "third," "fourth," and the like in the description and in the claims of the embodiments of the application and in the drawings described above, if any, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
Example one
Fig. 1 is a schematic structural diagram of a secondary ink tank ink overflow warning device according to a first embodiment of the present application, and as shown in fig. 1, the device may include:
an ink tube 110, a liquid detection unit 120, and an alarm unit 130. Wherein the content of the first and second substances,
the ink tube 110 extends vertically upward from the bottom of the secondary cartridge 100 to the top of the secondary cartridge 100.
The liquid detecting unit 120 is installed at a preset height position in the ink tube 110, and is configured to detect whether a liquid level in the ink tube 110 reaches the preset height.
The alarm unit 130 is electrically connected to the liquid detecting unit 120, and is configured to alarm when the liquid detecting unit 120 detects that the liquid level in the ink tube 110 reaches the preset height.
In this embodiment, specifically, the ink tube 110 is connected from the bottom of the secondary ink cartridge 100 and extends vertically upward to the top of the secondary ink cartridge 100, wherein the ink tube 110 may be made of a transparent and bendable material, such as plastic. One end of the ink tube 110 is fixedly connected with a joint made of stainless steel materials, the joint is connected with the bottom of the secondary ink box 100 through the joint, the other end of the joint vertically extends upwards to the top end of the secondary ink box 100 and then can be fixed through a fixing device, the joint is of a non-sealing structure and is communicated with the atmosphere, and the liquid level of the ink in the secondary ink box 100 and the liquid level of the ink in the ink tube 110 are consistent by utilizing the principle of a communicating device, so that the liquid level of the ink in the secondary ink box 100 can be obtained through the liquid level of.
Further, the apparatus further includes a liquid detecting unit 120 installed at a preset height position within the ink tube 110, for detecting whether the liquid level in the ink tube 110 reaches the preset height. The preset height may be set by the user as desired, for example, 0.9 times the overall height of the secondary ink cartridge 100, or 0.8 times the overall height of the secondary ink cartridge 100 for more reliable detection.
Further, the device further comprises an alarm unit 130, which is electrically connected to the liquid detection unit 120 and is used for alarming when the liquid detection unit 120 detects that the liquid level in the ink tube 110 reaches the preset height. When the liquid level in the ink tube 110 reaches a preset height, for example, 0.8 times of the overall height of the secondary ink cartridge 100, the liquid detection unit 120 sends a trigger signal to the alarm unit 130, and the alarm unit 130 alarms under the trigger of the trigger signal.
The secondary ink box ink overflow alarm device that this embodiment provided includes: the ink tube, the liquid detection unit and the alarm unit. The ink tube is connected out from the bottom of the secondary ink box and vertically extends upwards to the top end of the secondary ink box. The liquid detection unit is arranged at a preset height position in the ink tube and used for detecting whether the liquid level in the ink tube reaches the preset height. The alarm unit is electrically connected with the liquid detection unit and used for giving an alarm when the liquid detection unit detects that the liquid level in the ink tube reaches the preset height. In the scheme of this application, realized reporting to the police when secondary ink horn liquid level is too high, and then can prevent that the ink from spilling over the harm that causes, be favorable to the development of digital printing technique.
Example two
Fig. 2 is a schematic structural diagram of a secondary ink tank ink overflow warning device provided in the second embodiment of the present application, and as shown in fig. 2, the secondary ink tank ink overflow warning device provided in this embodiment may further include, on the basis of the secondary ink tank ink overflow warning device provided in the first embodiment, the warning unit 130: a buzzer 131 and a warning light 132. Wherein the content of the first and second substances,
the buzzer 131 and the warning light 132 are electrically connected to the liquid detection unit 120 respectively;
the buzzer 131 is used for giving an alarm when the liquid level in the ink tube 110 is detected to reach the preset height by the liquid detection unit 120;
the warning light 132 is configured to emit a warning light when the liquid level in the ink tube 110 detected by the liquid detection unit 120 reaches the preset height.
In this embodiment, the alarm unit 130 includes a buzzer 131 and a warning light 132, and when the liquid detection unit 120 detects that the liquid level in the ink tube 110 reaches the preset height, a triggering alarm signal is sent to the buzzer 131 and the warning light 132, respectively, and when the triggering alarm signal is triggered, the buzzer 131 sounds, for example, a beep or a warning sound of "ink overflow soon". The warning light 132 emits a warning light.
Preferably, in this embodiment, the ink tube 110 is a non-sealing tube and is communicated with the atmosphere through an air filter. The air filter can filter pollutants in the air, and the purity of the ink is guaranteed.
Preferably, in this embodiment, the ink tube 110 is a transparent ink tube. The transparent ink tube enables a user to observe the height of the ink liquid level in the ink tube more easily, and the alarm accuracy is further improved.
Preferably, the secondary ink tank ink overflow warning device in this embodiment may further include: a relay 140.
The relay 140 is provided between an ink pump that supplies ink from the secondary ink tank and the liquid detection unit 120. The relays 140 are respectively in communication connection with the ink pump for supplying ink to the secondary ink cartridges and the liquid detection unit 120;
the relay 140 is configured to control the ink pump to be powered off to stop supplying ink to the secondary ink cartridge when the liquid level in the ink tube 110 reaches the preset height, which is detected by the liquid detection unit 120.
In this embodiment, a relay 140 is provided between the ink pump supplying ink to the secondary ink tank and the liquid detection unit 120, when the liquid detection unit 120 detects that the liquid level in the ink tube 110 reaches a preset height, the liquid detection unit 120 sends a trigger off signal to the relay 140, and when the relay 140 receives the trigger off signal, the ink pump is controlled to be powered off to stop supplying ink to the secondary ink tank 100, so that the liquid level in the secondary ink tank 100 does not rise any more, thereby preventing the secondary ink tank from overflowing.
In the secondary ink cartridge ink overflow warning device provided by this embodiment, the warning unit includes: buzzer and warning light. Wherein, buzzer and warning light are connected with the liquid detecting element electricity respectively. And the buzzer is used for giving an alarm sound when the liquid detection unit detects that the liquid level in the ink tube reaches a preset height. And the warning lamp is used for sending alarm light when the liquid level in the ink tube reaches the preset height detected by the liquid detection unit. The relay is arranged between the ink pump for supplying ink to the secondary ink box and the liquid detection unit and is respectively in communication connection with the ink pump for supplying ink to the secondary ink box and the liquid detection unit. The relay is used for controlling the ink pump to be powered off to stop supplying ink to the secondary ink box when the liquid detection unit detects that the liquid level in the ink tube reaches the preset height. In this scheme, realized reporting to the police when secondary ink horn liquid level is too high, and then can prevent that the ink from spilling over the harm that causes, be favorable to the development of digital printing technique.
EXAMPLE III
Fig. 3 is a flowchart of a secondary ink tank ink overflow warning method provided in the third embodiment of the present application, and as shown in fig. 3, the method is performed on the basis of the secondary ink tank ink overflow warning device provided in the first embodiment and the second embodiment, and the method includes the following steps:
s301, the liquid detection unit detects whether the liquid level in the ink tube reaches a preset height.
S302, if the liquid detection unit detects that the liquid level in the ink tube reaches the preset height, an alarm unit gives an alarm.
The ink tube is connected out from the bottom of the secondary ink box and vertically extends upwards to the top end of the secondary ink box.
Specifically, the ink tube extends from the bottom of the secondary ink cartridge and vertically upward to the top of the secondary ink cartridge, wherein the ink tube may be made of a transparent and bendable material, such as plastic. One end of the ink tube is fixedly connected with a joint made of stainless steel materials, the joint is connected with the bottom of the secondary ink box, the other end of the ink tube vertically extends upwards to the top end of the secondary ink box and can be fixed through a fixing device, the joint is of a non-sealing structure and is communicated with the atmosphere, and the height of the liquid level of the ink in the secondary ink box and the liquid level of the ink in the ink tube are consistent by utilizing the principle of a communicating device, so that the liquid level of the ink in the secondary ink box can be obtained through the liquid level.
Further, a liquid detection unit is installed at a preset height position within the ink tube for detecting whether the liquid level in the ink tube reaches the preset height. The preset height is set by the user as required, and may be, for example, 0.9 times the overall height of the secondary ink tank, or may be set to 0.8 times the overall height of the secondary ink tank for more reliable detection.
Further, the alarm unit is electrically connected with the liquid detection unit and alarms when the liquid detection unit detects that the liquid level in the ink tube reaches a preset height. When the liquid detection unit detects that the liquid level in the ink tube reaches a preset height, for example, the liquid level is 0.8 times of the overall height of the secondary ink box, a trigger signal is sent to the alarm unit, the alarm unit alarms under the trigger of the trigger signal, and the alarm mode can be various, for example, the alarm unit sends out alarm sound or sends out alarm flashing light signals.
According to the secondary ink box ink overflow alarm method provided by the embodiment, whether the liquid level in the ink tube reaches the preset height is detected through the liquid detection unit. And if the liquid detection unit detects that the liquid level in the ink tube reaches the preset height, the alarm unit gives an alarm. In the scheme of this application, realized reporting to the police when secondary ink horn liquid level is too high, and then can prevent that the ink from spilling over the harm that causes, be favorable to the development of digital printing technique.
Preferably, in the secondary ink cartridge ink overflow warning method provided by this embodiment, the warning unit may include: buzzer and warning light.
Step S302 may specifically include;
s302a, if the liquid detection unit detects that the liquid level in the ink tube reaches the preset height, the buzzer sends out alarm sound.
S302b, if the liquid detection unit detects that the liquid level in the ink tube reaches the preset height, the warning lamp emits warning light.
In this embodiment, the alarm unit includes a buzzer and a warning light, and when the liquid detection unit detects that the liquid level in the ink tube reaches the preset height, the liquid detection unit sends a triggering alarm signal to the buzzer and the warning light, respectively, and when the triggering alarm signal is triggered, the buzzer sounds, for example, a beep or an alarm sound of "ink overflow soon". The warning lamp emits warning light.
Preferably, the secondary ink cartridge ink overflow warning method provided by this embodiment may further include the following steps:
and S303, when the liquid detection unit detects that the liquid level in the ink tube reaches the preset height, the relay controls the ink pump to be powered off so as to stop supplying ink to the secondary ink box.
The relay is arranged between the ink pump for supplying ink to the secondary ink box and the liquid detection unit, and the relay is respectively connected with the ink pump for supplying ink to the secondary ink box and the liquid detection unit in a communication mode.
In the step, a relay is arranged between an ink pump for supplying ink to the secondary ink box and the liquid detection unit, when the liquid detection unit detects that the liquid level in the ink pipe reaches a preset height, the liquid detection unit sends a trigger off signal to the relay, and after the relay receives the trigger off signal, the ink pump is controlled to be powered off to stop supplying ink to the secondary ink box, so that the liquid level in the secondary ink box does not rise any more, and the secondary ink box is prevented from overflowing ink.
Preferably, in the secondary ink cartridge ink overflow warning method provided by this embodiment, the ink tube is a transparent ink tube. The transparent ink tube enables a user to observe the height of the ink liquid level in the ink tube more easily, and the alarm accuracy is further improved.
Example four
The embodiment of the application also provides an ink-jet printing system, which comprises the secondary ink box ink overflow alarm device in the first embodiment and the second embodiment.
In the several embodiments provided in the present application, it should be understood that the disclosed apparatus and method may be implemented in other ways. For example, the above-described apparatus embodiments are merely illustrative, and for example, a division of modules is merely a division of logical functions, and an actual implementation may have another division, for example, a plurality of modules or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or modules, and may be in an electrical, mechanical or other form.
Further, while operations are depicted in a particular order, this should be understood as requiring that such operations be performed in the particular order shown or in sequential order, or that all illustrated operations be performed, to achieve desirable results. Under certain circumstances, multitasking and parallel processing may be advantageous. Likewise, while several specific implementation details are included in the above discussion, these should not be construed as limitations on the scope of the disclosure. Certain features that are described in the context of separate embodiments can also be implemented in combination in a single implementation. Conversely, various features that are described in the context of a single implementation can also be implemented in multiple implementations separately or in any suitable subcombination.
Although the subject matter has been described in language specific to structural features and/or methodological acts, it is to be understood that the subject matter defined in the appended claims is not necessarily limited to the specific features or acts described above. Rather, the specific features and acts described above are disclosed as example forms of implementing the claims.
Finally, it should be noted that: the above embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present application.
Claims (8)
1. A secondary cartridge ink overflow alarm device, comprising: the ink tube, the liquid detection unit and the alarm unit; wherein the content of the first and second substances,
the ink tube is connected out from the bottom of the secondary ink box and vertically extends upwards to the top end of the secondary ink box;
the liquid detection unit is arranged at a preset height position in the ink tube and used for detecting whether the liquid level in the ink tube reaches the preset height or not;
the alarm unit is electrically connected with the liquid detection unit and used for giving an alarm when the liquid detection unit detects that the liquid level in the ink tube reaches the preset height;
the alarm unit includes: a buzzer and a warning light; wherein the content of the first and second substances,
the buzzer and the warning lamp are respectively and electrically connected with the liquid detection unit;
the buzzer is used for giving an alarm sound when the liquid detection unit detects that the liquid level in the ink tube reaches the preset height;
and the warning lamp is used for sending alarm light when the liquid detection unit detects that the liquid level in the ink tube reaches the preset height.
2. The apparatus of claim 1, wherein the ink tube is a non-hermetic tube and is vented to atmosphere through an air filter.
3. The apparatus of claim 1, further comprising: a relay;
the relay is arranged between an ink pump for supplying ink to the secondary ink box and the liquid detection unit; the relay is respectively in communication connection with an ink pump for supplying ink to the secondary ink box and the liquid detection unit;
and the relay is used for controlling the ink pump to be powered off to stop supplying ink to the secondary ink box when the liquid detection unit detects that the liquid level in the ink tube reaches the preset height.
4. The apparatus of claim 2, wherein the ink tube is a clear ink tube.
5. A secondary ink box ink overflow alarm method is characterized by comprising the following steps:
the liquid detection unit detects whether the liquid level in the ink tube reaches a preset height;
if the liquid detection unit detects that the liquid level in the ink tube reaches the preset height, an alarm unit gives an alarm;
the ink pipe is connected out of the bottom of the secondary ink box and vertically extends upwards to the top end of the secondary ink box;
the alarm unit includes: a buzzer and a warning light; wherein the content of the first and second substances,
the buzzer and the warning lamp are respectively and electrically connected with the liquid detection unit;
the buzzer is used for giving an alarm sound when the liquid detection unit detects that the liquid level in the ink tube reaches the preset height;
and the warning lamp is used for sending alarm light when the liquid detection unit detects that the liquid level in the ink tube reaches the preset height.
6. The method of claim 5, further comprising:
when the liquid detection unit detects that the liquid level in the ink tube reaches the preset height, the relay controls the ink pump to be powered off to stop supplying ink to the secondary ink box;
the relay is arranged between the ink pump for supplying ink to the secondary ink box and the liquid detection unit, and the relay is respectively connected with the ink pump for supplying ink to the secondary ink box and the liquid detection unit in a communication mode.
7. The method of claim 5, wherein the ink tube is a clear ink tube.
8. An inkjet printing system comprising the secondary ink tank bleed warning device of any of claims 1-4.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910083893.3A CN109823063B (en) | 2019-01-29 | 2019-01-29 | Secondary ink box ink overflow alarm device and method and ink-jet printing system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910083893.3A CN109823063B (en) | 2019-01-29 | 2019-01-29 | Secondary ink box ink overflow alarm device and method and ink-jet printing system |
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| CN109823063B true CN109823063B (en) | 2020-06-23 |
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Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5079570A (en) * | 1989-10-18 | 1992-01-07 | Hewlett-Packard Company | Capillary reservoir binary ink level sensor |
| JPH10286974A (en) * | 1997-04-14 | 1998-10-27 | Brother Ind Ltd | Ink jet printer |
| CN202477487U (en) * | 2012-01-30 | 2012-10-10 | 美的集团有限公司 | Foot bath device with dry burning prevention function |
| CN205601410U (en) * | 2016-04-20 | 2016-09-28 | 东莞市迈威创数码科技有限公司 | Printer |
| CN206733815U (en) * | 2017-03-06 | 2017-12-12 | 上海浩叠电子科技有限公司 | A kind of print cartridge for ink-jet printer |
| CN208148820U (en) * | 2018-04-18 | 2018-11-27 | 珠海市赛润科技有限公司 | Print cartridge with level sensing |
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