CN211441595U - Ink quantity detection alarm system and ink-jet printing equipment - Google Patents
Ink quantity detection alarm system and ink-jet printing equipment Download PDFInfo
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- CN211441595U CN211441595U CN201921573532.9U CN201921573532U CN211441595U CN 211441595 U CN211441595 U CN 211441595U CN 201921573532 U CN201921573532 U CN 201921573532U CN 211441595 U CN211441595 U CN 211441595U
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Abstract
The utility model belongs to the technical field of the ink jet printing, solved prior art and can't the accuracy carry out the problem of suggestion when lacking black in the ink horn, provided an china ink volume detection alarm system and ink jet printing equipment. The ink quantity detection alarm system comprises an ink box, a floater liquid level switch, an alarm unit and a control unit, wherein ink is stored in the ink box; the float liquid level switch is arranged in the ink box body, and generates a first control signal when the ink surface height of the ink in the ink box is lower than a first height; and the control unit is electrically connected with the floater liquid level switch and the alarm unit and controls the alarm unit to alarm according to the first control signal. The utility model discloses an china ink volume detection alarm system and inkjet printing equipment adopt float liquid level switch to detect the china ink face height to report to the police through the control unit control alarm unit, thereby realize the china ink volume in the hardware detection ink horn, the mode that its testing result compared current software suggestion and reported to the police is more accurate.
Description
Technical Field
The utility model belongs to the technical field of the inkjet printing, specifically an china ink volume detection alarm system and inkjet printing equipment.
Background
In this trade of inkjet printing, whether have ink in the ink horn all need be confirmed before printing process and the printing, print when not having ink in the ink horn and can cause the shower nozzle to beat by vain, the long-time vain of shower nozzle beat can cause permanent damage to the shower nozzle, lead to the shower nozzle to damage. Therefore, the amount of ink in each ink box needs to be detected in real time in the process of printing by the nozzle, when the ink in a certain ink box is less, the amount of ink in the ink box needs to be prompted, and corresponding ink is added into the ink box.
The existing printing equipment is mainly realized by software, specifically, a program of an ink box counter is written in a main board of the printing equipment, and the using condition of an ink box is converted into ink points for accumulation. When the cumulative number reaches the maximum design value, the printing device will indicate that the ink box is out of ink. However, in the scheme, the ink surplus of the ink box is estimated by the ink box counter, the actual ink surplus of the ink box cannot be accurately detected, and the prompt cannot be accurately given when the ink in the ink box is short.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides an china ink volume detects alarm system and inkjet printing equipment for solve prior art and can't accurately carry out the problem of suggestion when lacking black in the ink horn.
The utility model adopts the technical proposal that:
in a first aspect, the utility model provides an china ink volume detection alarm system, china ink volume detection alarm system includes:
an ink cartridge storing ink therein;
the float liquid level switch is arranged in the ink box body, and generates a first control signal when the ink surface height of the ink in the ink box is lower than a first height;
an alarm unit; and
and the control unit is electrically connected with the floater liquid level switch and the alarm unit and controls the alarm unit to alarm according to the first control signal.
As a preferable aspect of the above ink amount detection alarm system, the float liquid level switch includes: the first guide post and a first floating ball sleeved on the first guide post, the first floating ball slides along the guide direction of the first guide post, a first annular magnet is arranged in the first floating ball, a first magnetic reed switch is arranged in the first guide post, and the first height is the height of the first magnetic reed switch in an ink box;
first guide post is from last to being equipped with first spacing body and the spacing body of second down in proper order, first floater is located first spacing body with between the spacing body of second, wherein, first spacing body satisfies: when the first floating ball slides to be in contact with the first limiting body, the first annular magnet and the first magnetic reed switch are positioned on the same horizontal plane, and the first magnetic reed switch is triggered by the magnetic force of the first annular magnet to be in a first state; when the first floating ball is not in contact with the first limiting body, the first annular magnet is located below the first magnetic reed switch, the first magnetic reed switch is in a second state, and the first magnetic reed switch generates a first control signal.
As a preferable aspect of the ink amount detection alarm system, the ink amount detection alarm system further includes: the float liquid level switch is close to the inner wall of one side of the ink box, the slide rail is installed on the outer wall, corresponding to the inner wall of the side, close to the float liquid level switch, of the ink box, the sliding direction of the slide rail is the same as the guiding direction of the first guiding column, a magnet block is connected to the slide rail in a sliding mode, and the magnet block slides on the slide rail under the magnetic force of the first annular magnet; and the side surface of the sliding rail is provided with a mark line, and the mark line and the first magnetic reed switch are positioned on the same horizontal plane.
As a preferable embodiment of the ink amount detection alarm system, the first reed switch is a normally open switch or a normally closed switch.
As a preferable scheme of the ink amount detection alarm system, the ink amount detection alarm system further comprises an ink pump, an ink outlet of the ink pump is connected with an ink inlet of the ink cartridge, the ink inlet of the ink pump is connected with an ink source, and the control unit is electrically connected with the ink pump;
when the ink surface height of the ink in the ink box is lower than a second height, the floater liquid level switch generates a second control signal, and the control unit controls the ink pump to operate according to the second control signal.
As a preferable aspect of the above ink amount detection alarm system, the float liquid level switch includes: the second guide post, the second floating ball sleeved on the second guide post and the third floating ball sleeved on the second guide post slide along the guide direction of the second guide post, a second annular magnet is arranged in the second floating ball, a third annular magnet is arranged in the third floating ball, a second magnetic reed switch and a third magnetic reed switch are arranged in the second guide post, the first height is the height of the second magnetic reed switch in the ink box, and the second height is the height of the third magnetic reed switch in the ink box.
The second guide post is from last to being equipped with third spacing body, fourth spacing body and fifth spacing body down in proper order, the second floater is located the fourth spacing body with between the fifth spacing body, wherein, the fourth spacing body satisfies: when the second floating ball slides to be in contact with the fourth limiting body, the second annular magnet and the second magnetic reed switch are positioned on the same horizontal plane, and the magnetic force of the second annular magnet triggers the second magnetic reed switch to be in a first state; when the second floating ball is not in contact with the fourth limiting body, the second annular magnet is positioned below the second magnetic reed switch, the second magnetic reed switch is in a second state, and the second magnetic reed switch generates a first control signal;
the third floating ball is positioned between the third limiting body and the fourth limiting body, wherein the third limiting body meets the following requirements: when the third floating ball slides to be in contact with a third limiting body, the third annular magnet and the third magnetic reed switch are positioned on the same horizontal plane, and the magnetic force of the third annular magnet triggers the third magnetic reed switch to be in a first state; when the third floating ball is not in contact with the third limiting body, the third annular magnet is located below the third magnetic reed switch, the third magnetic reed switch is in a second state, and the third magnetic reed switch generates a second control signal.
As a preferable scheme of the ink amount detection alarm system, the second reed switch is a normally open switch or a normally closed switch, and the third reed switch is a normally open switch or a normally closed switch.
As a preferable scheme of the ink amount detection alarm system, the alarm unit is an indicator lamp or a buzzer.
As the preferable scheme of the ink quantity detection alarm system, the control unit is a PLC or ARM processor.
In a second aspect, the present invention provides an ink jet printing apparatus, which comprises any one of the above ink amount detection alarm systems.
To sum up, the utility model has the advantages that:
the utility model discloses an china ink volume detection alarm system and inkjet printing equipment adopt float liquid level switch to produce first control signal when the china ink face height is less than first height, then the control unit reports to the police according to first control signal control alarm unit to through the china ink volume in the hardware detection ink horn, the mode that current software suggestion was reported to the police is more accurate for its testing result.
Drawings
Fig. 1 is a schematic block diagram of a circuit connection of an ink quantity detection alarm system in embodiment 1 of the present invention;
fig. 2 is a schematic structural diagram of a first reed switch in an ink amount detection alarm system according to embodiment 1 of the present invention in a first state;
fig. 3 is a schematic structural diagram of the ink level detection alarm system according to embodiment 1 of the present invention, in which the first reed switch is in the second state;
fig. 4 is a schematic structural diagram of a first reed switch in an ink amount detection alarm system according to embodiment 2 of the present invention in a first state;
fig. 5 is a schematic structural diagram of the ink level detecting alarm system according to embodiment 2 of the present invention in which the first reed switch is in the second state;
fig. 6 is a schematic structural diagram of the ink level detecting alarm system according to embodiment 3 of the present invention, in which the first reed switch is in the first state;
fig. 7 is a schematic structural diagram of the ink level detecting alarm system according to embodiment 3 of the present invention in which the first reed switch is in the second state;
fig. 8 is a view of the first reed switch in the ink level detecting alarm system according to embodiment 3 of the present invention, which is shown in the first state and in the direction of a in fig. 6;
fig. 9 is a schematic block diagram of a circuit connection of the ink amount detection alarm system in embodiment 4 of the present invention;
fig. 10 is a schematic structural view of the ink level detection alarm system according to embodiment 4 of the present invention, in which the second reed switch and the third reed switch are in the first state;
fig. 11 is a schematic structural view of an ink level detecting alarm system according to embodiment 4 of the present invention, in which a second reed switch is in a first state and a third reed switch is in a second state;
fig. 12 is a schematic structural diagram of the ink level detecting alarm system according to embodiment 4 of the present invention, in which the second reed switch and the third reed switch are in the second state.
Description of reference numerals:
1. an ink cartridge; 2. an ink; 3. a magnet block; 4. marking a line; 5. a slide rail; 6. a first position limiting body; 7. a second position limiting body; 8. a first guide post; 9. a first floating ball; 10. a first ring magnet; 11. a first reed switch; 12. a second reed switch; 13. a third reed switch; 14. a second guide post; 15. a second floating ball; 16. a third floating ball; 17. a second ring magnet; 18. a third ring magnet; 19. a third limiting body; 20. a fourth position limiting body; 21. a fifth position limiting body; 22. the inner bottom surface of the ink box.
Detailed Description
The features and exemplary embodiments of various aspects of the present invention will be described in detail below, and in order to make the objects, technical solutions, and advantages of the present invention more apparent, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. It will be apparent to one skilled in the art that the present invention may be practiced without some of these specific details. The following description of the embodiments is merely intended to provide a better understanding of the invention by illustrating examples of the invention.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Example 1:
as shown in fig. 1, the embodiment 1 of the present invention discloses an ink amount detection alarm system, which includes an ink cartridge 1, a float liquid level switch, an alarm unit and a control unit, wherein ink 2 is stored in the ink cartridge 1. As shown in fig. 2 and 3, the float liquid level switch is disposed in the ink cartridge 1, the float liquid level switch includes a first guiding column 8 and a first floating ball 9 sleeved on the first guiding column 8, and a lower end of the first guiding column 8 is fixedly mounted on an inner bottom surface 22 of the ink cartridge. The first floating ball 9 slides along the guiding direction of the first guiding column 8, a first annular magnet 10 is arranged in the first floating ball 9, and a first magnetic reed switch 11 is arranged in the first guiding column 8; in the ink box 1, the distance between the first magnetic reed switch 11 and the inner bottom surface 22 of the ink box is a first height (the first height is a preset ink shortage warning height, and when the ink level of the ink 2 in the ink box 1 is lower than the first height, the system gives an alarm).
First guide post 8 is from last to being equipped with first spacing body 6 and second spacing body 7 down in proper order, and first floater 9 is located between first spacing body 6 and the second spacing body 7, and wherein, first spacing body 6 satisfies: when the first floating ball 9 slides to contact with the first stopper 6, the first annular magnet 10 and the first reed switch 11 are located on the same horizontal plane, the first reed switch 11 is triggered by the magnetic force of the first annular magnet 10 to be in a first state (the first state is that the first reed switch 11 is closed), the first reed switch 11 generates a third control signal (the third control signal is a high level signal), as shown in fig. 2, the ink level of the ink 2 in the ink cartridge is higher than the first height or equal to the first height (the ink level is a plane where the ink 2 in the ink cartridge is far away from the ink outlet and contacts with air, and the ink level is a distance between the ink level and the inner bottom surface 22 of the ink cartridge). When the first float 9 is not in contact with the first position-limiting body 6, the first ring magnet 10 is located below the first reed switch 11, the first reed switch 11 is in the second state (the second state is that the first reed switch 11 is turned off), and the first reed switch 11 generates the first control signal (the first control signal is a low level signal), as shown in fig. 3, at this time, the ink level of the ink 2 in the ink cartridge is lower than the first height.
The control unit floater liquid level switch is electrically connected with the alarm unit, and when the control unit receives a first control signal (low level signal), the alarm unit is controlled to alarm; when the control unit receives the third control signal (high level signal), the control unit controls the alarm unit not to act.
The floater liquid level switch generates a first control signal when the ink level is lower than a first height, and then the control unit controls the alarm unit to alarm according to the first control signal, so that the ink amount in the ink box is detected through hardware, and the detection result is more accurate than the existing software prompting alarm mode.
Example 2:
as shown in fig. 4 and 5, the ink amount detection alarm system in embodiment 2 of the present invention is improved based on embodiment 1. Specifically, in embodiment 2, the lower end of the first guide post 8 is fixedly mounted on the bottom surface of the inner wall of the ink cartridge.
Example 3:
as shown in fig. 6 and 7, the ink amount detection alarm system in embodiment 3 of the present invention is improved based on embodiment 1. Specifically, in embodiment 3, the first guide post 8 of the ink amount detection alarm system is fixedly mounted on the inner top surface of the ink cartridge at the upper end, and the lower end of the first guide post 8 is suspended.
Meanwhile, the ink quantity detection alarm system in embodiment 3 further includes a slide rail 5, the float liquid level switch in embodiment 3 is close to the right inner wall of the ink cartridge, the slide rail 5 is also installed on the right outer wall of the ink cartridge, the sliding direction of the slide rail 5 is the same as the guiding direction of the first guiding column 8, the slide rail 5 is slidably connected with the magnet block 3, and the magnet block 3 slides on the slide rail 5 under the magnetic force of the first annular magnet 10. As shown in fig. 8, an identification line 4 is provided on the side surface of the slide rail 5, and the identification line 4 is located on the same horizontal plane as the first reed switch 11 (i.e., the identification line 4 is provided on the side surface of the slide rail 5 at the first height).
With this arrangement, the magnet block 3 slides on the slide rail 5 by the magnetic force of the first ring magnet 10, so that when the system fails, the worker can observe the remaining amount of the ink 2 from the outside with eyes, and replenish the ink when the system is short of ink.
Example 4:
as shown in fig. 9, the embodiment 4 of the present invention discloses an ink amount detection alarm system, which includes an ink cartridge, a float liquid level switch, an alarm unit, a control unit, an ink pump and an ink source, wherein ink 2 is stored in the ink cartridge. As shown in fig. 10 to 12, the float liquid level switch is disposed in the ink cartridge body, the float liquid level switch includes a second guiding column 14, a second floating ball 15 sleeved on the second guiding column 14, and a third floating ball 16 sleeved on the second guiding column 14, and a lower end of the second guiding column 14 is fixedly mounted on an inner bottom surface 22 of the ink cartridge. The second floating ball 15 and the third floating ball 16 can slide along the guiding direction of the second guiding column 14, a second annular magnet 17 is arranged in the second floating ball 15, and a second magnetic reed switch 12 and a third magnetic reed switch 13 are arranged in the second guiding column 14. In the ink box, the distance between the second magnetic reed switch 12 and the inner bottom surface 22 of the ink box is a first height (the first height is a preset ink shortage warning height, and when the ink level of the ink 2 in the ink box is lower than the first height, the system gives an alarm); the distance between the third reed switch 13 and the inner bottom surface 22 of the ink box is the first height (the second height is the preset ink filling height, and the system performs ink filling when the ink level of the ink 2 in the ink box is lower than the second height).
The second guide post 14 is provided with a third limiting body 19, a fourth limiting body 20 and a fifth limiting body 21 from top to bottom in sequence, the third floating ball 16 is located between the third limiting body 19 and the fourth limiting body 20, wherein the third limiting body 19 meets the following requirements: when the third float ball 16 slides to contact with the third stopper 19, the third ring magnet 18 and the third reed switch 13 are located on the same horizontal plane, the magnetic force of the third ring magnet 18 triggers the third reed switch 13 to be in the first state (the first state is that the third reed switch 13 is closed), the third reed switch 13 generates the fourth control signal (the fourth control signal is a high level signal), as shown in fig. 10, the ink level of the ink 2 in the ink cartridge is higher than the second height or equal to the second height. When the third float 16 is not in contact with the third stopper 19, the third ring magnet 18 is located below the third reed switch 13, the third reed switch 13 is in the second state (the second state is that the third reed switch 13 is off), and the third reed switch 13 generates the second control signal.
The second floating ball 15 is located between the fourth position-limiting body 20 and the fifth position-limiting body 21, wherein the fourth position-limiting body 20 satisfies: when the second floating ball 15 slides to contact with the fourth stopper 20, the second ring magnet 17 and the second reed switch 12 are located on the same horizontal plane, the magnetic force of the second ring magnet 17 triggers the second reed switch 12 to be in the first state (the first state is that the second reed switch 12 is closed), the first reed switch 11 generates the third control signal (the third control signal is a high level signal), as shown in fig. 12, at this time, the ink level of the ink 2 in the ink cartridge is higher than the first height or equal to the first height. When the second floating ball 15 is not in contact with the fourth stopper 20, the second ring magnet 17 is located below the second reed switch 12, the second reed switch 12 is in the second state (the second state is that the second reed switch 12 is turned off), and the second reed switch 12 generates the first control signal (the first control signal is a low level signal), as shown in fig. 3, at this time, the ink level of the ink 2 in the ink cartridge is lower than the first level.
The control unit floater liquid level switch, the alarm unit and the ink pump are electrically connected, when the ink surface height of the ink 2 in the ink box is lower than a second height, the floater liquid level switch generates a second control signal, the control unit controls the ink pump to operate according to the second control signal, and when the control unit receives a fourth control signal, the control unit controls the ink pump not to operate.
Example 5:
the embodiment 5 of the utility model discloses an inkjet printing apparatus, this inkjet printing apparatus include in embodiment 1 to embodiment 4 arbitrary china ink volume detection alarm system.
After the utility model provides an ink jet printing equipment adopted above-mentioned structure in 5, float liquid level switch produced first control signal when the china ink face height is less than first height, then the control unit reports to the police according to first control signal control alarm unit to through the china ink volume in the hardware detection ink horn, the mode that current software suggestion was reported to the police is more accurate for its testing result.
The ink quantity detection alarm system and the inkjet printing device provided by the utility model are introduced in detail, and the principle and the implementation mode of the utility model are explained by applying specific examples, and the explanation of the above embodiments is only used for helping to understand the method and the core idea of the utility model; meanwhile, to the general technical personnel in this field, according to the utility model discloses an idea, all can have the change part on concrete implementation and application scope, to sum up, this description content only is the utility model discloses an embodiment, does not consequently restrict the utility model discloses a patent scope, all utilize the equivalent structure or the equivalent flow transform that the content of the description and the attached drawing did, or directly or indirectly use in other relevant technical fields, all the same reason is included in the utility model discloses a patent protection scope. And should not be construed as limiting the invention.
Claims (10)
1. An ink amount detection alarm system, characterized by comprising:
an ink cartridge storing ink therein;
the float liquid level switch is arranged in the ink box body, and generates a first control signal when the ink surface height of the ink in the ink box is lower than a first height;
an alarm unit; and
and the control unit is electrically connected with the floater liquid level switch and the alarm unit and controls the alarm unit to alarm according to the first control signal.
2. The ink amount detection alarm system according to claim 1, wherein the float level switch includes: the first guide post and a first floating ball sleeved on the first guide post, the first floating ball slides along the guide direction of the first guide post, a first annular magnet is arranged in the first floating ball, a first magnetic reed switch is arranged in the first guide post, and the first height is the height of the first magnetic reed switch in an ink box;
first guide post is from last to being equipped with first spacing body and the spacing body of second down in proper order, first floater is located first spacing body with between the spacing body of second, wherein, first spacing body satisfies: when the first floating ball slides to be in contact with the first limiting body, the first annular magnet and the first magnetic reed switch are positioned on the same horizontal plane, and the first magnetic reed switch is triggered by the magnetic force of the first annular magnet to be in a first state; when the first floating ball is not in contact with the first limiting body, the first annular magnet is located below the first magnetic reed switch, the first magnetic reed switch is in a second state, and the first magnetic reed switch generates a first control signal.
3. The ink amount detection alarm system according to claim 2, further comprising: the float liquid level switch is close to the inner wall of one side of the ink box, the slide rail is installed on the outer wall, corresponding to the inner wall of the side, close to the float liquid level switch, of the ink box, the sliding direction of the slide rail is the same as the guiding direction of the first guiding column, a magnet block is connected to the slide rail in a sliding mode, and the magnet block slides on the slide rail under the magnetic force of the first annular magnet; and the side surface of the sliding rail is provided with a mark line, and the mark line and the first magnetic reed switch are positioned on the same horizontal plane.
4. The ink level sensing alarm system of claim 2, wherein the first reed switch is a normally open switch or a normally closed switch.
5. The ink quantity detection alarm system according to claim 1, further comprising an ink pump, an ink outlet of the ink pump being connected to an ink inlet of the ink cartridge, an ink inlet of the ink pump being connected to an ink supply, the control unit being electrically connected to the ink pump;
when the ink surface height of the ink in the ink box is lower than a second height, the floater liquid level switch generates a second control signal, and the control unit controls the ink pump to operate according to the second control signal.
6. The ink amount detection alarm system according to claim 5, wherein the float level switch includes: the second guide column, a second floating ball sleeved on the second guide column and a third floating ball sleeved on the second guide column, the second floating ball and the third floating ball slide along the guide direction of the second guide column, a second annular magnet is arranged in the second floating ball, a third annular magnet is arranged in the third floating ball, a second magnetic reed switch and a third magnetic reed switch are arranged in the second guide column, the first height is the height of the second magnetic reed switch in the ink box, and the second height is the height of the third magnetic reed switch in the ink box;
the second guide post is from last to being equipped with third spacing body, fourth spacing body and fifth spacing body down in proper order, the second floater is located the fourth spacing body with between the fifth spacing body, wherein, the fourth spacing body satisfies: when the second floating ball slides to be in contact with the fourth limiting body, the second annular magnet and the second magnetic reed switch are positioned on the same horizontal plane, and the magnetic force of the second annular magnet triggers the second magnetic reed switch to be in a first state; when the second floating ball is not in contact with the fourth limiting body, the second annular magnet is positioned below the second magnetic reed switch, the second magnetic reed switch is in a second state, and the second magnetic reed switch generates a first control signal;
the third floating ball is positioned between the third limiting body and the fourth limiting body, wherein the third limiting body meets the following requirements: when the third floating ball slides to be in contact with a third limiting body, the third annular magnet and the third magnetic reed switch are positioned on the same horizontal plane, and the magnetic force of the third annular magnet triggers the third magnetic reed switch to be in a first state; when the third floating ball is not in contact with the third limiting body, the third annular magnet is located below the third magnetic reed switch, the third magnetic reed switch is in a second state, and the third magnetic reed switch generates a second control signal.
7. The ink level sensing alarm system of claim 6, wherein the second reed switch is a normally open switch or a normally closed switch, and the third reed switch is a normally open switch or a normally closed switch.
8. The ink amount detection alarm system according to any one of claims 1 to 7, wherein the alarm unit is an indicator lamp or a buzzer.
9. The ink level sensing alarm system of any one of claims 1-7, wherein the control unit is a PLC or ARM processor.
10. An ink jet printing apparatus, characterized in that it comprises an ink amount detection alarm system according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921573532.9U CN211441595U (en) | 2019-09-20 | 2019-09-20 | Ink quantity detection alarm system and ink-jet printing equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921573532.9U CN211441595U (en) | 2019-09-20 | 2019-09-20 | Ink quantity detection alarm system and ink-jet printing equipment |
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| CN211441595U true CN211441595U (en) | 2020-09-08 |
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| CN201921573532.9U Active CN211441595U (en) | 2019-09-20 | 2019-09-20 | Ink quantity detection alarm system and ink-jet printing equipment |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113619286A (en) * | 2021-07-28 | 2021-11-09 | 泰安易捷数字印刷有限公司 | Multi-pole liquid level negative pressure ink quantity control device |
| WO2023160080A1 (en) * | 2022-02-25 | 2023-08-31 | 杭州旗捷科技有限公司 | Control device, low-ink-amount detection mechanism, ink cartridge and low-ink-amount detection method therefor |
-
2019
- 2019-09-20 CN CN201921573532.9U patent/CN211441595U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113619286A (en) * | 2021-07-28 | 2021-11-09 | 泰安易捷数字印刷有限公司 | Multi-pole liquid level negative pressure ink quantity control device |
| CN113619286B (en) * | 2021-07-28 | 2022-07-26 | 泰安易捷数字印刷有限公司 | Multi-pole liquid level negative pressure ink quantity control device |
| WO2023160080A1 (en) * | 2022-02-25 | 2023-08-31 | 杭州旗捷科技有限公司 | Control device, low-ink-amount detection mechanism, ink cartridge and low-ink-amount detection method therefor |
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