CN205255761U - Ink jet device - Google Patents
Ink jet device Download PDFInfo
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- CN205255761U CN205255761U CN201521117654.9U CN201521117654U CN205255761U CN 205255761 U CN205255761 U CN 205255761U CN 201521117654 U CN201521117654 U CN 201521117654U CN 205255761 U CN205255761 U CN 205255761U
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- chamber
- ink
- box
- cavity
- discharge device
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Abstract
The utility model relates to an ink jet device, include: the box body, the pneumatic control subassembly, pump china ink subassembly, baroceptor and level sensor, the box body is including box wall and baffle, the box wall seals the inside cavity that forms, the baffle is connected in box wall inboard and is kept apart into first cavity and second cavity with the cavity, the baffle is close to the position of box wall and sets up opening in a row, first cavity communicates through the intercommunication mouth with the second cavity, pump china ink subassembly and first cavity intercommunication, pneumatic control subassembly and second cavity intercommunication, level sensor sets up in first cavity, atmospheric pressure sensor settings is close to the position of intercommunication mouth in first cavity, keep away from the position of intercommunication mouth on the box wall of first cavity and seted up out the china ink mouth. Because atmospheric pressure sensor settings is indoor at the china ink, atmospheric pressure sensor measurements's atmospheric pressure value is more accurate for the inkjet volume is more accurate, and because the intercommunication distance of black room and air chamber is very short, makes the atmospheric pressure difference between black room and the air chamber minimum, thereby reduced closed -loop control's delay.
Description
Technical field
The utility model relates to printing device, particularly relates to ink discharge device.
Background technology
Print cartridge is used to printer ink-providing, and its principle is that the air pressure by controlling in print cartridge makes the China ink in print cartridgeWater sprays or stops ejection, specifically, in the time of needs ink-jet, increases the air pressure in print cartridge, makes print cartridgeInterior generation malleation, makes ink by exporting extrusion, in the time stopping ink-jet, reduces the air pressure in print cartridge, makes China inkIn box, produce negative pressure, avoid ink by exporting outflow.
In order precisely to control the ejection of ink, in print cartridge, be also provided with baroceptor and liquid level sensor, existingSome print cartridges comprise air chamber and black chamber, and an air chamber is communicated with multiple black chambers, and baroceptor is arranged on gasIndoor, it is indoor that liquid level sensor is arranged on China ink, and baroceptor is measured the air pressure of air chamber, and feeds back to thisAir pump control air chamber and the indoor air pressure of China ink, thus make the indoor ink of China ink be forced out or be held liquid levelSensor is by measuring the liquid level of the indoor ink of China ink, and controlling pump is the ink supply of black chamber, makes the indoor China ink of China inkWater remains suitable position, and the variation of the liquid level of black chamber also causes air pressure to change, and makes air pump againInferior adjustable pressure, by above-mentioned closed loop procedure realize air chamber air pressure control and the liquid level control of ink. ByBe communicated with multiple black chambers in an air chamber, the air pressure between air chamber and black chamber is unbalanced, and between multiple black chamberAir pressure also unbalanced, cause multiple black chambers ink ejection amount inhomogeneous, on the other hand, due to air chamber and black chamber itSpacing is far away, and the air pressure change in air chamber exists deviation, therefore air pressure sensing with black indoor air pressure changeDevice is measured the air pressure that the atmospheric pressure value obtaining can not accurately reflect that China ink is indoor, causes ink ejection amount inaccurate, and will makeBecome the process of closed-loop control to have larger delay, cause ink-jet poor effect.
Utility model content
Based on this, be necessary for air pressure between the air chamber of existing print cartridge and black chamber unbalancedly, cause ink ejection amountThe problem inaccurate, closed-loop control postpones, provides a kind of ink discharge device, makes the gas between air chamber and black chamberPress more balanced, and measure air pressure more accurate, thereby make ink ejection amount more accurate, reduced closed loop controlThe delay of system.
A kind of ink discharge device, comprising:
Box body, air pressure Control Component, pump ink assembly, baroceptor and liquid level sensor, described box body bagDraw together box wall and dividing plate, described box wall closed interior forms a cavity, and described dividing plate is connected in described box wall inner sideAnd described cavity isolation is become to the first chamber and the second chamber, described dividing plate is offered near the position of described box wallOne connected entrance, described the first chamber is communicated with by described connected entrance with described the second chamber, described pump ink assemblyBe communicated with described the first chamber, described air pressure Control Component is communicated with described the second chamber, described level sensingDevice is arranged in described the first chamber, and described liquid level sensor is connected with described pump ink assembly, described air pressure transmissionSensor is arranged at the position of described the first chamber near described connected entrance, described baroceptor and described air pressureControl Component connects, and on the described box wall of described the first chamber, offers out of ink away from the position of described connected entranceMouthful.
In one embodiment, on the described box wall of described the first chamber, also open away from the position of described connected entranceBe provided with ink entrance, described pump ink assembly is communicated with described the first chamber by described ink entrance.
In one embodiment, described liquid level sensor be arranged in described the first chamber away from described connectionThe position of mouth,
In one embodiment, on the described box wall of described the second chamber, the position near described connected entrance is offeredOne gas port, described air pressure Control Component is communicated with described the second chamber by described gas port.
In one embodiment, described gas port be arranged on the described box wall of described the second chamber away from described everyThe position of plate.
In one embodiment, on the described box wall of described the second chamber, offer overflowing mouth.
In one embodiment, described overflowing mouth is opened on the described box wall of described the second chamber away from describedThe position of connected entrance.
In one embodiment, the described box body side of being body.
In one embodiment, at the bottom of described box body comprises box top, sidewall, box and dividing plate, described box top, instituteState the formation cavity that is tightly connected at the bottom of sidewall and described box, described dividing plate is fixedly connected with at the bottom of described box, will described inCavity isolation becomes the first chamber and the second chamber, and described connected entrance is opened in described dividing plate near described box topOne end, described liquid level sensor is arranged in described the first chamber near the position at the bottom of described box, described air pressureThe position on the close described box top of sensor setting in described the first chamber, described in described ink outlet port is opened inPosition on the described sidewall of the first chamber at the bottom of close described box.
In one embodiment, on described ink entrance is opened at the bottom of the described box of described the first chamber, described pumpInk assembly is communicated with described the first chamber by described ink entrance.
Above-mentioned ink discharge device, directly measures acquisition the first chamber by the baroceptor being arranged in the first chamberAtmospheric pressure value, make measure atmospheric pressure value more accurate, air pressure Control Component is according to atmospheric pressure value control the first chamberAir pressure in chamber and the second chamber makes ink outlet port carry out ink-jet, makes ink ejection amount more accurate, and due to firstThe connection distance of chamber and the second chamber is very short, makes the draught head utmost point between the first chamber and the second chamberLittle, thus the delay of closed-loop control reduced, further make ink ejection amount more accurate.
Brief description of the drawings
Fig. 1 is the structural representation of an embodiment ink discharge device of the utility model.
Detailed description of the invention
For the ease of understanding the utility model, below with reference to relevant drawings, the utility model is carried out more comprehensivelyDescription. In accompanying drawing, provide preferred embodiments of the present utility model. But the utility model can be withMany different forms realize, and are not limited to embodiment described herein. On the contrary, provide theseThe object of embodiment is make the disclosure of the present utility model understand more comprehensively thorough.
Unless otherwise defined, all technology and the scientific terminology using herein and belong to of the present utility modelThe implication that those skilled in the art understand is conventionally identical. Institute in description of the present utility model hereinThe term using, just in order to describe the object of concrete embodiment, is not intended to be restriction the utility model.Term as used herein " and/or " comprise one or more relevant Listed Items arbitrarily and allCombination.
As shown in Figure 1, an embodiment of the present utility model, ink discharge device 10 comprises:
Box body 100, air pressure Control Component 200, pump ink assembly 300, baroceptor 400 and level sensingDevice 500, described box body 100 comprises box wall 110 and dividing plate 120, described box wall 110 closed interiors form oneCavity, described dividing plate 120 be connected in described box wall 110 inner sides and by described cavity isolation become the first chamber withThe second chamber, for example, described the first chamber is that black chamber 101, the second chambers are air chamber 102, described dividing plate 120A connected entrance 103 is offered in position near described box wall 110, and described black chamber 101 is passed through with described air chamber 102Described connected entrance 103 is communicated with, and described pump ink assembly 300 is communicated with described black chamber 101, described air pressure controlAssembly 200 is communicated with described air chamber 102, and described liquid level sensor 500 is arranged in described black chamber 101,Described liquid level sensor 500 is connected with described pump ink assembly 300, and described baroceptor 400 is arranged at instituteState the position of black chamber 101 near described connected entrance 103, described baroceptor 400 and described air pressure controlAssembly 200 connects, and on the described box wall 110 of described black chamber 101, opens away from the position of described connected entrance 103Be provided with ink outlet port 130.
In one embodiment, air pressure Control Component 200 comprises the gentle pump controller of air pump, described air pump controlDevice processed is used for controlling described air pump work, and described air pump controller is electrically connected with described baroceptor 400,Described air pump is communicated with described air chamber 102, and described pump ink assembly 300 comprises pump and pump controller, instituteState pump controller for controlling described pump work, described pump controller and described liquid level sensor 500Electrical connection, described pump is communicated with described black chamber 101.
In the time carrying out ink-jet, air pump, to described air chamber 102 pump gas, makes described in the control of described air pump controllerAir pressure in described black chamber 101 and described air chamber 102 increases, and now, the air pressure in described black chamber 101 isMalleation, described ink outlet port 130 carries out ink-jet, while stopping ink-jet, air pump described in the control of described air pump controllerBleed, making the air pressure in described black chamber 101 is negative pressure, makes described ink outlet port 130 stop ink-jet; Work as China inkWhen the liquid level of the ink in chamber 101 declines or rises, by the air pressure change causing in black chamber 101, by instituteState the variation of baroceptor 400 Real-time Obtaining China ink chamber 101 internal gas pressure values, and according to described in atmospheric pressure value controlAir pump controller, described air pump controller is adjusted the duty of air pump in real time, to make described ink outlet port 130Ink-jet equably; In the time that the liquid level of the ink in black chamber 101 changes, described liquid level sensor 500 obtains in real timeGet the liquid level of black chamber 101 interior inks, and by pump controller described in level value control, for example, when describedWhen the liquid level of the ink of China ink in chamber 101 declines, pump is to described black chamber 101 described in the control of described pump controllerPump China ink, when the liquid level of ink returns to setting position, pump stops pump China ink described in the control of described pump controller.
Because baroceptor 400 is arranged in black chamber 101, described like this baroceptor 400 is measuredAtmospheric pressure value is more accurate, thereby makes ink ejection amount more accurate, and due to the company of black chamber 101 and air chamber 102Logical distance is very short, makes the draught head between black chamber 101 and air chamber 102 minimum, thereby has reduced closed loopThe delay of controlling, further makes ink ejection amount more accurate.
When the ink in described black chamber 101 deposits for a long time, may cause the body of bottom higher,And high-rise body is lower, the easy like this ink-jet density unevenness of ink outlet port 130 that makes is even, causes sprayChina ink poor effect, in order to make ink-jet concentration even, as shown in Figure 1, the described box wall of described black chamber 101Position away from described connected entrance 103 on 110 also offers ink entrance 140, and described pump ink assembly 300 passes throughDescribed ink entrance 140 is communicated with described black chamber 101, for example, described pump by described ink entrance 140 withDescribed black chamber 101 is communicated with, like this, in the time that described pump is black to described black chamber 101 pumps, the impulsive force of pump China inkThe ink that makes bottom is moved to high level, thereby it is even that ink in described black chamber 101 is rushed, therebyMake body more even, also make the ink-jet effect of ink outlet port 130 better.
The variation of being everlasting while due to the liquid level of ink being, and if liquid level sensor 500 leaks on liquid level,May cause detecting liquid level result inaccurate, for the testing result that makes described liquid level sensor 500 morePrecisely, in one embodiment, as shown in Figure 1, described liquid level sensor 500 is arranged at described black chamber 101The interior position away from described connected entrance 103, like this, described liquid level sensor 500 can more approach inkBottom, make testing result more accurate, and be not substantially subject to the impact of level change.
In order to make described air pressure Control Component 200 can more directly control the air pressure of described black chamber 101,Referring again to Fig. 1, open the position near described connected entrance 103 on the described box wall 110 of described air chamber 102If a gas port 150, and described gas port 150 is arranged on the described box wall 110 of described air chamber 102 away from describedThe position of dividing plate 120, described air pressure Control Component 200 connects by described gas port 150 and described air chamber 102Logical, for example, described air pump is communicated with described air chamber 102 by described gas port 150, like this, and when described gasThe air pump of pressure-controlled assembly 200 is to described air chamber 102 pump gas or while bleeding, the air pressure in described black chamber 101To change fast, thereby the air pressure change further having reduced between black chamber 101 and air chamber 102 is prolonged thereuponTime, make described air pressure Control Component 200 can more directly control the air pressure of described black chamber 101, makeObtain ink ejection amount more accurate.
Too high when the liquid level of the ink in described black chamber 101, or described box body 100 tilts to cause described China inkThe ink of chamber 101 flow in described air chamber 102, in order in time these inks to be discharged, and described air chamber 102Described box wall 110 on offer overflowing mouth 160, described overflowing mouth 160 is opened in the institute of described air chamber 102State the position away from described connected entrance 103 on box wall 110, described in the ink flow of described black chamber 101 arrivesAir chamber 102, the overflowing mouth 160 in described air chamber 102 can be discharged ink in time, for example, also comprises rowExcessive valve 170, described overflowing valve 170 is arranged at the outside of described box body 100, and described overflowing valve 170 and instituteState overflowing mouth 160 and be communicated with, user can be in time by described air chamber 102 by overflowing valve 170 described in switchInterior ink is discharged.
Box body 100 of the present utility model can be the container of the shape of any enclosed construction, for example, and described boxBody 100 is the inner spheroid with cavity, in another embodiment of the present utility model, as shown in Figure 1,Described box body 100 side's of being bodies, for example, described box wall 110 comprises at the bottom of box top 111, sidewall 112 and box 113,For example, described box body 100 comprises at the bottom of box top 111, sidewall 112, box 113 and dividing plate 120, described box top111, the 113 formation cavitys that are tightly connected at the bottom of described sidewall 112 and described box, described dividing plate 120 and described boxThe end 113, is fixedly connected with, and described cavity isolation is become to black chamber 101 and air chamber 102, and described connected entrance 103 is offeredOne end in described dividing plate 120 near described box top 111, described liquid level sensor 500 is arranged at described China ink113 position at the bottom of the interior close described box in chamber 101, described baroceptor 400 is arranged at described black chamber 101The position on interior close described box top 111, described ink outlet port 130 is opened in the described side of described black chamber 101113 position at the bottom of close described box on wall 112.
In order to make the body in described black chamber 101 more even, described ink entrance 140 is opened in instituteState at the bottom of the described box of black chamber 101 on 113, described pump is by described ink entrance 140 and described black chamber 101Be communicated with, like this, described pump, in the time of pump China ink, can rush at upper strata by the ink of bottom, thereby described in makingInk in China ink chamber 101 is rushed even, makes the ink-jet effect of ink outlet port 130 better.
It is interior near 113 position at the bottom of described box that described liquid level sensor 500 is arranged at described black chamber 101, hasBe beneficial to described liquid level sensor 500 and detect better the liquid level in described black chamber 101.
Described gas port 150 is opened in the position near described box top 111 on the sidewall 112 of described air chamber 102,Like this, the air pressure that described air pressure Control Component 200 can more directly be controlled described black chamber 101 makes sprayChina ink amount is more accurate.
Described overflowing mouth 160 is opened in institute's sidewall 112 near 113 position at the bottom of described box, is conducive to air chamberInk in 102 is discharged.
Each technical characterictic of the above embodiment can combine arbitrarily, for making to describe succinctly, not rightThe all possible combination of each technical characterictic in above-described embodiment is all described, but, as long as these skillsThere is not contradiction in the combination of art feature, is all considered to be the scope that this description is recorded.
The above embodiment has only expressed several embodiment of the present utility model, its describe comparatively concrete andIn detail, but can not therefore be interpreted as the restriction to utility model patent scope. It is right to it should be pointed out thatIn those of ordinary skill in the art, without departing from the concept of the premise utility, can also doGo out some distortion and improvement, these all belong to protection domain of the present utility model. Therefore, the utility model is specialThe protection domain of profit should be as the criterion with claims.
Claims (10)
1. an ink discharge device, is characterized in that, comprising: box body, air pressure Control Component, pump ink assembly,Baroceptor and liquid level sensor, described box body comprises box wall and dividing plate, described box wall closed interior formsOne cavity, described dividing plate is connected in described box wall inner side and described cavity isolation is become to the first chamber and the second chamberChamber, described dividing plate is offered a connected entrance near the position of described box wall, described the first chamber and described the second chamberChamber is communicated with by described connected entrance, and described pump ink assembly is communicated with described the first chamber, described air pressure control groupPart is communicated with described the second chamber, and described liquid level sensor is arranged in described the first chamber, and described liquid level passesSensor is connected with described pump ink assembly, and described baroceptor is arranged at described the first chamber near described connectionThe position of mouth, described baroceptor is connected with described air pressure Control Component, the described box of described the first chamberPosition away from described connected entrance on wall offers ink outlet port.
2. ink discharge device according to claim 1, is characterized in that, the described box of described the first chamberPosition away from described connected entrance on wall also offers ink entrance, described pump ink assembly by described ink entrance withDescribed the first chamber is communicated with.
3. ink discharge device according to claim 1, is characterized in that, described liquid level sensor is arranged atThe position away from described connected entrance in described the first chamber.
4. ink discharge device according to claim 1, is characterized in that, the described box of described the second chamberA gas port is offered in position near described connected entrance on wall, and described air pressure Control Component is by described gas port and instituteStating the second chamber is communicated with.
5. ink discharge device according to claim 4, is characterized in that, described gas port is arranged at describedOn the described box wall of two chambers away from the position of described dividing plate.
6. ink discharge device according to claim 1, is characterized in that, the described box of described the second chamberOn wall, offer overflowing mouth.
7. ink discharge device according to claim 6, is characterized in that, described in described overflowing mouth is opened inOn the described box wall of the second chamber away from the position of described connected entrance.
8. according to the ink discharge device described in claim 1-7 any one, it is characterized in that the described box body side of beingBody.
9. ink discharge device according to claim 8, is characterized in that, described box body comprises box top, sideAt the bottom of wall, box and dividing plate, the formation cavity that is tightly connected at the bottom of described box top, described sidewall and described box, described everyPlate is fixedly connected with at the bottom of described box, and described cavity isolation is become to the first chamber and the second chamber, described connected entranceBe opened in described dividing plate one end near described box top, described liquid level sensor is arranged in described the first chamberNear the position at the bottom of described box, described baroceptor is arranged at the close described box top in described the first chamberPosition, described ink outlet port is opened on the described sidewall of described the first chamber near the position at the bottom of described box.
10. ink discharge device according to claim 9, is characterized in that, described ink entrance is opened in instituteOn stating at the bottom of the described box of the first chamber, described pump ink assembly is communicated with described the first chamber by described ink entrance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521117654.9U CN205255761U (en) | 2015-12-25 | 2015-12-25 | Ink jet device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521117654.9U CN205255761U (en) | 2015-12-25 | 2015-12-25 | Ink jet device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205255761U true CN205255761U (en) | 2016-05-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521117654.9U Expired - Fee Related CN205255761U (en) | 2015-12-25 | 2015-12-25 | Ink jet device |
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| Country | Link |
|---|---|
| CN (1) | CN205255761U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105644150A (en) * | 2015-12-25 | 2016-06-08 | 惠州市泓润数码喷印设备有限公司 | Ink jet device |
-
2015
- 2015-12-25 CN CN201521117654.9U patent/CN205255761U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105644150A (en) * | 2015-12-25 | 2016-06-08 | 惠州市泓润数码喷印设备有限公司 | Ink jet device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160525 Termination date: 20161225 |