CN208148820U - Print cartridge with level sensing - Google Patents
Print cartridge with level sensing Download PDFInfo
- Publication number
- CN208148820U CN208148820U CN201820553330.7U CN201820553330U CN208148820U CN 208148820 U CN208148820 U CN 208148820U CN 201820553330 U CN201820553330 U CN 201820553330U CN 208148820 U CN208148820 U CN 208148820U
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- CN
- China
- Prior art keywords
- print cartridge
- level detection
- liquid level
- ink
- connect
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of print cartridges with level sensing, including main print cartridge, ink storage box, liquid level detection circuit, controller, liquid pump, ink-feeding tube；The outlet of liquid pump is connected to by ink-feeding tube with main print cartridge, and the entrance of liquid pump is connected to by ink-feeding tube with ink storage box；Liquid level detection circuit includes the first liquid level detection electrode and the second liquid level detection electrode, and the bottom position of the inner cavity of main print cartridge is equipped with the first liquid level detection electrode, and the second liquid level detection electrode is set on the side wall of the inner cavity of main print cartridge；The output end of liquid level detection circuit and the input terminal of controller connect, and the control terminal of controller and the controlled end of liquid pump connect.The technical program realize the quantity of ink in main print cartridge it is lower when stop out automatically, simple intelligence.
Description
Technical field
The utility model relates to printing consumables technical field, in particular to a kind of print cartridge with level sensing.
Background technique
Printer is a kind of equipment of modern offices indispensability, and ink-jet printer is that liquid ink is become tiny through nozzle
Particle is sprayed onto printing paper, is had small in size, simple to operate, printing low noise, can be got and shine using when dedicated paper
The advantages that picture that piece compares favourably.After ink in the print cartridge of existing ink-jet printer is used up, print cartridge is typically directly replaced, or
Person adds new ink by ink-supplying ink cartridge for it.But in existing technology, to the ink in print cartridge without prior-warning device, can not intelligently,
Timely realize that ink adds automatically.
Utility model content
The technical problems to be solved in the utility model how to be to provide a kind of print cartridge it is inkless when realize automatic ink addition
Ink box device.
In order to solve the above-mentioned technical problem, the technical solution of the utility model is：
A kind of print cartridge with level sensing, including main print cartridge, ink storage box, liquid level detection circuit, controller, liquid pump, inking
Pipe；The outlet of the liquid pump is connected to by the ink-feeding tube with the main print cartridge, and the entrance of the liquid pump passes through the ink-feeding tube
It is connected to the ink storage box；The liquid level detection circuit includes the first liquid level detection electrode and the second liquid level detection electrode, described
The bottom position of the inner cavity of main print cartridge is equipped with the first liquid level detection electrode, and second liquid level detection electrode is set to the main ink
On the side wall of the inner cavity of box；The output end of the liquid level detection circuit is connect with the input terminal of the controller, the controller
Control terminal connect with the controlled end of the liquid pump.
Preferably：The main print cartridge and the ink storage box are all provided with venthole.
Preferably：The controller includes control circuit and relay, the input terminal of the control circuit and the liquid level
The output end of detection circuit connects, and the output end of the control circuit is connect with the input terminal of the relay, the relay
Control terminal connect with the controlled end of the liquid pump.
Preferably：The liquid level detection circuit includes the first liquid level detection electrode, the second liquid level detection electrode, the first electricity
Resistance, second resistance and trigger circuit；Also power supply connects the first end of the first resistor, the second end of the first resistor and institute
The connection of the first liquid level detection electrode is stated, second liquid level detection electrode connect with the first end of the second resistance, and described the
The second end of two resistance is connect with the test side of the trigger circuit, the output end of the trigger circuit and the control circuit
Input terminal connection.
Preferably：It further include buzzer, the controlled end of the buzzer is connect with the second control terminal of the controller.
Preferably：The junction of the liquid pump and the ink storage box is equipped with filter membrane.
Preferably：It further include warning light, the controlled end of the warning light is connect with the second control terminal of the controller, institute
State the lateral wall position that warning light is fixed on the ink storage box.
By adopting the above technical scheme, it by main print cartridge, ink storage box, liquid level detection circuit, controller, liquid pump, ink-feeding tube, is formed
A kind of print cartridge with level sensing.By adding two electrodes in the bottom of main print cartridge and side wall, the ink in main print cartridge
When more, liquid level there was not the electrode of side wall, and control does not work；When ink in main print cartridge is less, the liquid level of ink is lower than side
The electrode of wall, controller receive signal, and control liquid pump work, extracting the ink in ink storage box is main print cartridge ink supply.This technology
Scheme is intelligently convenient.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of print cartridge of the utility model with level sensing；
Fig. 2 is the schematic diagram of print cartridge of the utility model with level sensing；
Fig. 3 is the circuit diagram of print cartridge of the utility model with level sensing.
In figure, the main print cartridge of 100-, 200- ink storage box, 300- liquid pump, 400- ink-feeding tube, 500- liquid level detection circuit, 600-
Controller, 700- buzzer, 110- venthole, the first liquid level detection electrode of 510-, the second liquid level detection electrode of 520-, 530- touching
Power Generation Road, R1- first resistor, R2- second resistance.
Specific embodiment
Specific embodiment of the present utility model is described further with reference to the accompanying drawing.It should be noted that
The explanation of these embodiments is used to help to understand the utility model, but does not constitute the restriction to the utility model.This
Outside, technical characteristic involved in the various embodiments of the present invention described below is as long as they do not conflict with each other
It can be combined with each other.
Referring to figs. 1 to Fig. 3, the utility model embodiment proposes a kind of print cartridge with level sensing, including main print cartridge
100, ink storage box 200, liquid level detection circuit 500, controller 600, liquid pump 300, ink-feeding tube 400；The outlet of liquid pump 300 passes through defeated
Black pipe 400 is connected to main print cartridge 100, and the entrance of liquid pump 300 is connected to by ink-feeding tube 400 with ink storage box 200；Liquid level detection circuit
500 include the first liquid level detection electrode 510 and the second liquid level detection electrode 520, and the bottom position of the inner cavity of main print cartridge 100 is equipped with
First liquid level detection electrode 510, the second liquid level detection electrode 520 are set on the side wall of the inner cavity of main print cartridge 100；Level sensing
The output end of circuit 500 is connect with the input terminal of controller 600, and the control terminal of controller 600 and the controlled end of liquid pump 300 connect
It connects.
By adopting the above technical scheme, by main print cartridge 100, ink storage box 200, liquid level detection circuit 500, controller 600, liquid pump
300, ink-feeding tube 400 form a kind of print cartridge with level sensing.By adding two in the bottom of main print cartridge 100 and side wall
Electrode, when the ink in main print cartridge 100 is more, liquid level there was not the electrode of side wall, and control does not work；In main print cartridge 100
When ink is less, the liquid level of ink is lower than the electrode of side wall, and controller 600 receives signal, and control liquid pump 300 works, extracts
Ink in ink storage box 200 is main 100 ink supply of print cartridge.The technical program is intelligently convenient.
Specifically：Main print cartridge 100 and ink storage box 200 are all provided with venthole 110.The junction of liquid pump 300 and ink storage box 200
Equipped with filter membrane.
Specifically：Controller 600 includes control circuit and relay, the input terminal and liquid level detection circuit of control circuit
500 output end connection, the output end of control circuit and the input terminal of relay connect, the control terminal and liquid pump 300 of relay
Controlled end connection.Liquid level detection circuit 500 includes the first liquid level detection electrode 510, the second liquid level detection electrode 520, first
Resistance R1, second resistance R2 and trigger circuit 530；Also power supply connects the first end of first resistor R1, and the second of first resistor R1
End is connect with the first liquid level detection electrode 510, and the second liquid level detection electrode 520 is connect with the first end of second resistance R2, and second
The second end of resistance R2 is connect with the test side of trigger circuit 530, the output end of trigger circuit 530 and the input terminal of control circuit
Connection.It further include buzzer 700, the controlled end of buzzer 700 is connect with the second control terminal of controller 600.It further include prompt
Lamp, the controlled end of warning light are connect with the second control terminal of controller 600, and warning light is fixed on the lateral wall position of ink storage box 200
It sets.
First liquid level detection electrode 510 by being arranged in the bottom of main print cartridge 100 by technical solutions of the utility model, by
The predeterminated position of side wall is arranged in two liquid level detection electrodes 520, carries out level sensing to the ink in print cartridge.In liquid level lower than pre-
If when position, sending a signal to controller 600 by trigger circuit 530, control liquid pump 300 extracts ink, is added.
The embodiments of the present invention is explained in detail in conjunction with attached drawing above, but the utility model is not limited to be retouched
The embodiment stated.For a person skilled in the art, right in the case where not departing from the utility model principle and spirit
These embodiments carry out a variety of change, modification, replacement and modification, still fall in the protection scope of the utility model.
Claims (7)
1. a kind of print cartridge with level sensing, it is characterised in that：Including main print cartridge, ink storage box, liquid level detection circuit, controller,
Liquid pump, ink-feeding tube；The outlet of the liquid pump is connected to by the ink-feeding tube with the main print cartridge, and the entrance of the liquid pump passes through institute
Ink-feeding tube is stated to be connected to the ink storage box；The liquid level detection circuit includes the first liquid level detection electrode and the second level sensing electricity
The bottom position of pole, the inner cavity of the main print cartridge is equipped with the first liquid level detection electrode, and second liquid level detection electrode is set to
On the side wall of the inner cavity of the main print cartridge；The output end of the liquid level detection circuit is connect with the input terminal of the controller, institute
The control terminal for stating controller is connect with the controlled end of the liquid pump.
2. the print cartridge according to claim 1 with level sensing, it is characterised in that：The main print cartridge and the ink storage box are all
It is provided with venthole.
3. the print cartridge according to claim 2 with level sensing, it is characterised in that：The controller include control circuit and
Relay, the input terminal of the control circuit are connect with the output end of the liquid level detection circuit, the output of the control circuit
End is connect with the input terminal of the relay, and the control terminal of the relay is connect with the controlled end of the liquid pump.
4. the print cartridge according to claim 3 with level sensing, it is characterised in that：The liquid level detection circuit includes first
Liquid level detection electrode, the second liquid level detection electrode, first resistor, second resistance and trigger circuit；The first of the first resistor
Also power supply connects at end, and the second end of the first resistor is connect with first liquid level detection electrode, second level sensing
Electrode is connect with the first end of the second resistance, and the test side of the second end of the second resistance and the trigger circuit connects
It connects, the output end of the trigger circuit is connect with the input terminal of the control circuit.
5. the print cartridge according to claim 3 with level sensing, it is characterised in that：It further include buzzer, the buzzer
Controlled end connect with the second control terminal of the controller.
6. the print cartridge according to claim 2 with level sensing, it is characterised in that：The company of the liquid pump and the ink storage box
It meets place and is equipped with filter membrane.
7. the print cartridge according to claim 3 with level sensing, it is characterised in that：It further include warning light, the warning light
Controlled end connect with the second control terminal of the controller, the warning light is fixed on the lateral wall position of the ink storage box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820553330.7U CN208148820U (en) | 2018-04-18 | 2018-04-18 | Print cartridge with level sensing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820553330.7U CN208148820U (en) | 2018-04-18 | 2018-04-18 | Print cartridge with level sensing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208148820U true CN208148820U (en) | 2018-11-27 |
Family
ID=64379757
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820553330.7U Expired - Fee Related CN208148820U (en) | 2018-04-18 | 2018-04-18 | Print cartridge with level sensing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208148820U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109823063A (en) * | 2019-01-29 | 2019-05-31 | 北大方正集团有限公司 | Secondary print cartridge ink overflow warning device, method and ink-jet print system |
| WO2021154217A1 (en) * | 2020-01-28 | 2021-08-05 | Hewlett-Packard Development Company, L.P. | Composite electrode fluid level sensing |
-
2018
- 2018-04-18 CN CN201820553330.7U patent/CN208148820U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109823063A (en) * | 2019-01-29 | 2019-05-31 | 北大方正集团有限公司 | Secondary print cartridge ink overflow warning device, method and ink-jet print system |
| WO2021154217A1 (en) * | 2020-01-28 | 2021-08-05 | Hewlett-Packard Development Company, L.P. | Composite electrode fluid level sensing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181127 Termination date: 20190418 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |