CN210026704U - Ink box liquid level display system of ink-jet printing equipment - Google Patents
Ink box liquid level display system of ink-jet printing equipment Download PDFInfo
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- CN210026704U CN210026704U CN201920451686.4U CN201920451686U CN210026704U CN 210026704 U CN210026704 U CN 210026704U CN 201920451686 U CN201920451686 U CN 201920451686U CN 210026704 U CN210026704 U CN 210026704U
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Abstract
The utility model provides an ink box liquid level display system of ink-jet printing equipment, which comprises a liquid level meter, a liquid level detection plate and a liquid level display plate; the liquid level detection plate is respectively connected with the liquid level meter and the liquid level display plate; the liquid level meter is arranged in the ink box; the liquid level detection plate is provided with a single chip microcomputer and is used for calculating and analyzing data fed back by the liquid level meter; the liquid level display board is used for displaying the residual amount of ink in the ink box in real time. The liquid level meter adopts a magnetic sensing element and a floater suspended on the surface of the ink to be combined with a voltage division circuit, so that the residual quantity of the ink in the ink box can be displayed in real time, and the liquid level display board can visually display the residual quantity of the ink in the ink box; the service life of the electronic element is longer than that of the reed switch, and the electronic element is not easy to have errors; and the interior is connected by the way of a PCB and an RS485, and the circuit is simple to lay.
Description
Technical Field
The utility model relates to an ink jet printing equipment field, in particular to ink jet printing equipment's ink horn liquid level display system.
Background
The detection of the liquid level inside the ink cartridge of an ink jet printing device has been a problem that is relatively annoying to users and manufacturers. The ink box liquid level detection of the current ink-jet printer mainly uses a reed switch to detect whether enough ink remains in the ink box, when the ink is insufficient, a prompt lamp corresponding to the ink box can be lightened, a buzzer sounds for a long time, and the ink box liquid level display function is not available.
The disadvantage of no ink level display function is that if the staff need to know the residual ink amount to hold the ink adding amount, the staff need to manually observe the ink amount in the ink box; in addition, the service life of the reed switch is short, and the possibility of mechanical misinformation exists; meanwhile, the display of the residual ink amount is not visual enough, and a connecting cable signal line between the ink box liquid level display device and the ink box liquid level display device is too complex, the circuit laying is complex, and a complex, complex and time-consuming link is generated inside the printing machine.
SUMMERY OF THE UTILITY MODEL
To prior art's not enough, the utility model provides an ink horn liquid level display system of inkjet printing equipment through use suspension component and magnetic sensing element in inductive element, and the cooperation display panel reaches the effect that the surplus ink volume in the ink horn is shown to the accuracy directly perceivedly.
In order to achieve the technical effect, the utility model provides an ink box liquid level display system of ink-jet printing equipment, which comprises a liquid level meter, a liquid level detection plate and a liquid level display plate; the liquid level detection plate is respectively connected with the liquid level meter and the liquid level display plate; the liquid level meter is arranged in the ink box; the liquid level detection plate is provided with a single chip microcomputer and is used for calculating and analyzing data fed back by the liquid level meter; the liquid level display board is used for displaying the residual amount of ink in the ink box in real time.
The liquid level meter comprises a float rod and a float; the float rod is a hollow rod, and a liquid level detection rod is arranged inside the float rod; the floater is arranged around the floater rod; and a PCB is arranged in the liquid level detection rod.
A magnet is arranged in the floater; the liquid level detection plate is provided with a detection resistor; and a PCB in the liquid level detection rod is provided with a preset number of magneto-sensitive elements.
The bottom of the float rod is provided with a clamp spring; the clamp spring is used for limiting the sunken lowest position of the floater.
Any one of the magnetic sensing elements is connected with a voltage division resistor corresponding to the magnetic sensing element one by one; the voltage dividing resistor, the detection resistor and the magnetic sensing element form a voltage dividing circuit; the resistance values of the voltage dividing resistors are different.
The magnetic sensing elements are distributed on the PCB in the liquid level detection rod from top to bottom.
The liquid level detection plate is a single chip microcomputer; the liquid level detection plate is connected with the liquid level display plate in an RS485 connection mode.
The magnetic sensing element is a switch corresponding to the voltage division circuit, and the default state is off; the float floats on the ink, the magnetic sensor element at the corresponding height senses the magnet in the float, the state is changed into an open state, and the corresponding voltage dividing resistor divides the voltage of the detection resistor; because the resistance values of the divider resistors arranged at different heights are different, the current height of the floater can be judged by measuring the voltage at the two ends of the detection resistor or the current flowing through the two ends of the detection resistor; and finally, displaying the current ink quantity remained in the ink box through the liquid level display plate.
Through the setting, the ink residue in the ink box is visually displayed; the service life of the electronic element is longer than that of the reed switch, and the electronic element is not easy to have errors; and the interior is connected by the way of a PCB and an RS485, and the circuit is simple to lay.
Drawings
FIG. 1 is a schematic view of the system configuration of examples 1 and 2;
FIG. 2 is a schematic structural view of the liquid level gauge of embodiments 1 and 2;
FIG. 3 is an equivalent circuit diagram of embodiment 1;
fig. 4 is an equivalent circuit diagram of embodiment 2.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail 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.
Example 1:
as shown in fig. 1, the ink box liquid level display system of the ink jet printing device comprises a liquid level meter 1, a liquid level detection plate 2 and a liquid level display plate 3; the liquid level detection plate 2 is respectively connected with the liquid level meter 1 and the liquid level display plate 3; the liquid level meter 1 is arranged in the ink box 4; the liquid level detection plate 2 is a single chip microcomputer and is used for calculating and analyzing data fed back by the liquid level meter; the liquid level display panel 3 is used to display the remaining amount of ink in the ink cartridge 4 in real time.
As shown in fig. 2, in particular, the gauge 1 comprises a float rod 11, a float 12; the float rod 11 is a hollow rod, and a liquid level detection rod 13 is arranged inside the float rod; the float 12 is arranged around the float rod 11; a PCB is arranged in the liquid level detection rod 13; the bottom of the float rod 11 is provided with a clamp spring 15; the snap spring 15 serves to limit the lowermost position of the float 12 in sinking.
Further, a magnet is arranged in the floater 12; the liquid level detection plate 2 is provided with a detection resistor R; a PCB in the liquid level detection rod 13 is provided with a preset number of magnetic sensors 14.
As shown in fig. 3, each of the magnetosensitive elements 14 is connected with a voltage dividing resistor Rn corresponding to it one by one; the voltage dividing resistor Rn, the detection resistor R and the magneto-sensitive element 14 form a voltage dividing circuit; the resistance values of the voltage dividing resistors Rn are different from each other.
As shown in fig. 2, the magnetic sensors 14 are distributed on the PCB board inside the liquid level detection rod 13 from top to bottom.
In the embodiment, the liquid level detection plate 2 is connected with the liquid level display plate 3 through an RS485 connection mode.
As shown in fig. 1 and 2, the detection system of the present embodiment can increase the number of level meters 1 to measure the printer with multiple ink cartridges, and when detecting that the amount of ink in the ink cartridge is lower than a preset threshold, a display panel corresponding to the ink cartridge gives a prompt.
Example 2:
under the same other conditions, the circuit shown in fig. 4 can achieve the same technical effect, and the connection mode is simpler.
The magnetic sensing element is a switch corresponding to the voltage division circuit, and the default state is off; the float floats on the ink, the magnetic sensor element at the corresponding height senses the magnet in the float, the state is changed into an open state, and the corresponding voltage dividing resistor divides the voltage of the detection resistor; because the resistance values of the divider resistors arranged at different heights are different, the current height of the floater can be judged by measuring the voltage at the two ends of the detection resistor or the current flowing through the two ends of the detection resistor; and finally, displaying the current ink quantity remained in the ink box through the liquid level display plate.
Thus, the ink residue in the ink box is visually displayed; the service life of the electronic element is longer than that of the reed switch, and the electronic element is not easy to have errors; and the interior is connected by the way of a PCB and an RS485, and the circuit is simple to lay.
The foregoing is a preferred embodiment of the present invention, and it should be noted that other ink cartridge level indicating systems including the present ink jet printing apparatus can also be modified and finished by those skilled in the art without departing from the principles of the present invention, and such modifications and finishes are also considered to be within the scope of the present invention.
Claims (7)
1. An ink box liquid level display system of an ink jet printing device comprises a liquid level meter and is characterized in that: the liquid level detection device also comprises a liquid level detection plate and a liquid level display plate; the liquid level detection plate is respectively connected with the liquid level meter and the liquid level display plate; the liquid level meter is arranged in the ink box; the liquid level detection plate is a single chip microcomputer and is used for calculating and analyzing data fed back by the liquid level meter; the liquid level display board is used for displaying the residual amount of ink in the ink box in real time.
2. The ink tank level display system of an inkjet printing apparatus according to claim 1, characterized in that: the liquid level meter comprises a float rod and a float; the float rod is a hollow rod, and a liquid level detection rod is arranged inside the float rod; the floater is arranged around the floater rod; and a PCB is arranged in the liquid level detection rod.
3. The ink tank level display system of an inkjet printing apparatus according to claim 2, wherein: a magnet is arranged in the floater; the liquid level detection plate is provided with a detection resistor; and a PCB in the liquid level detection rod is provided with a preset number of magneto-sensitive elements.
4. The ink tank level display system of an inkjet printing apparatus according to claim 2, wherein: the bottom of the float rod is provided with a clamp spring; the clamp spring is used for limiting the sunken lowest position of the floater.
5. A cartridge level display system of an inkjet printing apparatus according to claim 2 or 3, wherein: any one of the magnetic sensing elements is connected with a voltage division resistor corresponding to the magnetic sensing element one by one; the voltage dividing resistor, the detection resistor and the magnetic sensing element form a voltage dividing circuit; the resistance values of the voltage dividing resistors are different.
6. The ink tank level display system of an inkjet printing apparatus according to claim 5, wherein: the magnetic sensing elements are distributed on the PCB in the liquid level detection rod from top to bottom.
7. The ink tank level display system of an inkjet printing apparatus according to claim 1, characterized in that: the liquid level detection plate is connected with the liquid level display plate in an RS485 connection mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920451686.4U CN210026704U (en) | 2019-04-03 | 2019-04-03 | Ink box liquid level display system of ink-jet printing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920451686.4U CN210026704U (en) | 2019-04-03 | 2019-04-03 | Ink box liquid level display system of ink-jet printing equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210026704U true CN210026704U (en) | 2020-02-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920451686.4U Active CN210026704U (en) | 2019-04-03 | 2019-04-03 | Ink box liquid level display system of ink-jet printing equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210026704U (en) |
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2019
- 2019-04-03 CN CN201920451686.4U patent/CN210026704U/en active Active
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