CN103587248A - Consumable chip and data eliminating method thereof and consumable container - Google Patents
Consumable chip and data eliminating method thereof and consumable container Download PDFInfo
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- CN103587248A CN103587248A CN201310627219.XA CN201310627219A CN103587248A CN 103587248 A CN103587248 A CN 103587248A CN 201310627219 A CN201310627219 A CN 201310627219A CN 103587248 A CN103587248 A CN 103587248A
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Abstract
The invention provides a consumable chip and a data eliminating method thereof and a consumable container. The consumable chip comprises a substrate, the substrate is provided with a communication unit and an electronic module electrically connected with the communication unit, the electronic module is provided with a controller and a memory electrically connected with the controller, the substrate is further provided with a corrosion unit, at least part of the corrosion unit wraps the memory, and corrosive liquid capable of flowing to the memory is contained in the corrosion unit. The method comprises the steps of sending indication signals when the controller of the consumable chip judges that the consumable chip meets the data eliminating conditions; and enabling the corrosive liquid stored in the corrosion unit to flow to the memory of the consumable chip after response to the indication signals is performed. The consumable container is provided with a casing, and an outer wall of the casing is provided with the consumable chip. According to the data eliminating method, users can conveniently eliminate data stored in the consumable chip by themselves, leakage of relevant data is avoided, and data safety of the consumable chip and the consumable container is improved.
Description
Technical field
The present invention relates to printing consumables field, especially relate to a kind of consumable chip and consumable chip stored information sweep-out method, use the consumable container of this consumable chip.
Background technology
Printer is as common office equipment, for modern office provides great convenience.Existing printer is divided into ink-jet printer and laser printer, and ink-jet printer uses the print cartridge that accommodates ink to paper, to spray ink as consumable container, to form word or the pattern that needs printing on paper; Laser printer uses the cartridge that accommodates carbon dust as consumable container, on medium, to form word or the pattern that needs printing.
Referring to Fig. 1, existing a kind of color inkjet printer has casing 11, and the ink-jet printer shown in Fig. 1 has omitted the supporting plate of casing 11.In casing 11, be provided with the movement 12 of ink-jet printer, and be provided with a slide bar 10, print word car 14 and along slide bar 10, move back and forth under the drive of motor (invisible in Fig. 1).Print in word car 14 and be provided with keyset (invisible in Fig. 1), keyset communicates by winding displacement 13 and movement 12.
Print on word car 14 a plurality of print cartridges 15 are removably installed, in different print cartridges 15, accommodate the ink of different colours.As shown in Figure 2, print cartridge 15 has housing 16 to the structure of print cartridge 15, and housing 16 surrounds the cavity that holds ink, and the lower end of cavity is provided with ink outlet port 17, and the ink in cavity flows out by ink outlet port 17, and to the confession tattooing needle ink supply of printing word car 14.
On the outer wall of print cartridge 15 housings 16, chip piece 18 is installed, chip 18 has substrate, and a side of substrate is provided with a plurality of electric contacts 19, for being electrically connected to keyset.The opposite side of substrate is provided with the electronic module (invisible in Fig. 2) being electrically connected to electric contact 19.
In existing electronic module, be typically provided with controller and memory, controller is generally special chip (ASIC) or single-chip microcomputer (MCU) etc., for communicating with printer, and the work of control chip.Memory is for storing the data relevant to print cartridge 15, and residual ink amount etc. in ink-jet printer model as applicable in the model of print cartridge, print cartridge, ink color, print cartridge also may be stored some and user-dependent information.And memory can, by controller access, as the data in read-write memory, comprise current print cartridge residual ink amount is written in memory.
Because user is after in print cartridge, ink is exhausted, conventionally to be abandoned or transfer to reclaim producer and reclaimed, the data that user is difficult to chip 18 to be stored conventionally are before this carried out clear operation.Once the data that chip 18 is stored are read out, by causing user's usage data to reveal, to user, cause great inconvenience, cause the security performance of chip 18 not high.
Referring to Fig. 3, existing cartridge has housing 21, and housing 21 surrounds the cavity that holds carbon dust, and the outer wall of housing is provided with a chip installation position 22, and consumable chip 23 is installed on chip installation position 22.Similar with the consumable chip of print cartridge, the consumable chip 23 of cartridge also has substrate, and substrate is provided with electric contact 24, for carrying out exchanges data with laser printer.
Consumable chip 23 is also provided with electronic module (invisible in Fig. 3), the electronic module that electronic module is provided with communication control unit and is connected with communication control unit, electronic module has a controller and memory, controller is electrically connected to memory and can reference to storage, memory stores has the data relevant to cartridge, comprises that the initial print time, upper one of carbon dust surplus, toner color, cartridge in cartridge is printed the data such as operating time.
Similar to the chip 18 that is used in print cartridge, user is difficult to remove the data that chip 23 is stored before the chip 23 of cartridge is scrapped, and brings great hidden danger to user's information security.
If user wishes, from being about to the data dump that chip 23 stores, to need to use programmable device to carry out read-write operation to chip 23.But the programmable device for chip 23 is not sold on Vehicles Collected from Market, so user need to write relative program voluntarily to realize the operation clearing data, and this user's operation brings great inconvenience.
Therefore, the Chinese invention patent application that is CN101954797A as publication number discloses a kind of method of removing consumable chip data, the method is to use mechanical method that ink box chip or carbon powder box chip are destroyed, but this consumable chip need to being taken off from consumable container, and use special-purpose instrument to process, and consumable chip is only to destroy by physical means, the data of its storage are failed essence and are eliminated.This application also discloses by the memory to chip and has loaded higher voltage by the data dump of memory, but this method need to be used power supply to provide a higher voltage to chip, and chip circuit structure is complicated, causes the production cost of chip higher.
The Chinese invention patent application that and for example publication number is CN101954796A discloses the method for another kind of removing consumable chip data, the method is used volatile memory stores data, when needs clear data, disconnect being connected between volatile memory and power supply, thereby remove, be stored in the data in volatile memory.But this method need to arrange volatile memory on consumable chip, not only increased the production cost of consumable chip, and the data storage stability of volatile memory is poor, have influence on the stability of the data storage of consumable chip.
Summary of the invention
Main purpose of the present invention is to provide the consumable chip that a kind of user of convenience removes stored data voluntarily.
Another object of the present invention is to provide a kind of sweep-out method of easy to operate consumable chip data.
A further object of the present invention is to provide the good consumable container of a kind of information security performance.
For realizing above-mentioned main purpose, consumable chip provided by the invention comprises substrate, the electronic module that has communication unit on substrate and be electrically connected to communication unit, the memory that electronic module has controller and is electrically connected to memory, wherein, on substrate, be also provided with erosion unit, at least a portion of erosion unit is wrapped in outside memory, and the corrosive liquid that can flow to memory is housed in erosion unit.
From such scheme, after the consumptive material holding in the consumable containers such as print cartridge is exhausted, when the consumable items allowance data of the memory record of consumable chip is lower, the corrosive liquid that user can control in erosion unit carries out corrosion treatment to memory, thereby by the data dump of memory.Like this, user can be about to the data dump that consumable chip is stored certainly, avoids data to reveal, and increases the security of data that consumable chip is stored.
A preferred scheme is, erosion unit has the corrosion box being wrapped in outside memory and the fluid storage box being communicated with corrosion box, and corrosive liquid is stored in fluid storage box.
As can be seen here, corrosive liquid is stored in fluid storage box, corrosive liquid is guided in corrosion box when needs are removed data and memory is carried out to corrosion treatment, the corrosion of avoiding being corroded in the normal use procedure of consumable chip.
Further scheme is, is also provided with the button that flows to memory for controlling corrosive liquid on substrate, and corrosive liquid is wrapped in fluid bag, button with for puncturing the pricker of fluid bag, be connected.
Visible, user pushes button and can drive pricker to puncture fluid bag, and corrosive liquid can flow to memory and memory is corroded, easy to operate.
For realizing another above-mentioned object, the data clearing method of consumable chip provided by the invention comprises when the controller judgement consumable chip of consumable chip meets data dump condition, send index signal, after signal to be instructed is responded, be stored in the memory that corrosive liquid in erosion unit flows to consumable chip.
From such scheme, at consumable chip, meet after data dump condition, corrosive liquid can flow to memory and memory is corroded, thereby by the data dump of storing in memory, avoid user's data to reveal, ensure the security of the data that consumable chip is stored.
A preferred scheme is that controller sends index signal and after predetermined time, reference to storage also judges that whether the data of memory are eliminated, and remove index signal after the data of memory are eliminated.
As can be seen here, user can be by judging whether index signal is removed removing and understood the data of consumable chip and whether be successfully eliminated.
For realizing an above-mentioned object again, consumable container provided by the invention comprises housing, housing surrounds a cavity that holds consumptive material, cavity is provided with a consumptive material outlet, and the outer wall of housing is provided with a consumable chip, consumable chip comprises substrate, the electronic module that has communication unit on substrate and be electrically connected to communication unit, the memory that electronic module has controller and is electrically connected to memory, wherein, on substrate, be also provided with erosion unit, at least a portion of erosion unit is wrapped in outside memory, and the corrosive liquid that can flow to memory is housed in erosion unit.
From such scheme, after consumptive material in consumable container is exhausted, corrosive liquid is introduced to memory outer by memory corrosion, can realize the removing to the data in memory, thereby avoid the data that consumable chip is stored to reveal, ensure the data security of consumable chip storage.
Accompanying drawing explanation
Fig. 1 is the structural representation of existing ink-jet printer.
Fig. 2 is the structural representation of existing a kind of print cartridge.
Fig. 3 is the STRUCTURE DECOMPOSITION figure of existing a kind of cartridge.
Fig. 4 is the structural representation of consumable chip embodiment of the present invention.
Fig. 5 is the structure chart at another visual angle of consumable chip embodiment of the present invention.
Fig. 6 is the STRUCTURE DECOMPOSITION figure of consumable chip embodiment of the present invention.
Fig. 7 be in Fig. 4 A-A to cutaway view.
Fig. 8 is the flow chart of consumable chip data clearing method embodiment of the present invention.
Below in conjunction with drawings and Examples, the invention will be further described.
The specific embodiment
Consumable container of the present invention can be both the print cartridge that is installed to ink-jet printer, can be also the cartridge that is installed to laser printer, and present invention is described as embodiment to using print cartridge below.
Print cartridge embodiment:
The present embodiment is releasably attached in ink-jet printer, identical with existing print cartridge, and the present embodiment has housing, and housing surrounds the cavity that holds ink, and the below of cavity is provided with an ink outlet port, and on housing outer wall, consumable chip is installed.
Referring to Fig. 4 and Fig. 5, the ink box chip of the present embodiment has a substrate 30, is provided as a plurality of electric contacts 31 of communication unit on substrate 30.Certainly, if ink-jet printer and ink box chip are wireless communications mode, communication unit is antenna, for carrying out radio communication with ink-jet printer.
On substrate 30, be also provided with the electronic module being electrically connected to electric contact 31, the memory that electronic module has a controller 32 and is electrically connected to controller 32, as shown in Figure 6, controller 32 is all positioned at the same side of substrate 30 with memory 35, and is positioned at the side that electric contact 31 is relative.Ink box chip is installed to after the outer wall of print cartridge, and a side that is furnished with electric contact 31 arranges outwardly, and controller 32 and memory 35 are near a side of print cartridge outer wall.
When interior the stored ink surplus data of memory 35 that read when controller 32 are lower, in judgement print cartridge, ink is exhausted, and print cartridge meets the condition of scrapping, the data of storing for fear of memory 35 are revealed, need to remove the data that memory 35 is stored, now for meeting data dump condition.
The data of storing in order to remove memory 35, the present embodiment is used corrosive liquid by memory 35 corrosion, causes the data that controller 32 cannot read memory 35, thereby realizes the object of data dump.In the present embodiment, substrate 30 is provided with erosion unit 40, comprises a fluid storage box 41 and the corrosion box 43 being communicated with fluid storage box 41, and corrosion box 43 is wrapped in outside memory 35, and corrosion box 43 and substrate 30 surround an airtight cavity.
In the present embodiment, in corrosion box 43, hold and have or not brochanite powder, in fluid storage box 41, be placed with a fluid bag, water is housed in fluid bag.Because anhydrous cupric sulfate does not have corrosivity, during chip normal operation, can not corrode memory 35, memory 35 can normally be accessed by controller 32.Water trickle bag in fluid bag also flows to after corrosion box 43 by conduit 42, and anhydrous cupric sulfate powder dissolution, in water, forms copper-bath.Because copper-bath is acid, can corrode the memory 35 of being made by semiconductor devices, cause memory 35 storages to damage and partly by controller 32, accessed.
On substrate 30, be also provided with LED lamp 33, LED lamp 33 is electrically connected to controller 32, and controls luminous by controller 32.Preferably, LED lamp 33 can send red light and green light, and the ink surplus data of controller 32 judgement memory 35 interior storages are lower, while meeting data dump condition, control LED lamp 33 and send ruddiness as index signal, reminding user need to be removed the data that memory 35 is stored.
In addition, be also provided with button 34 on substrate 30, button 34 is connected with a root thorn pin, and the end of pricker can be inserted in fluid storage box 41, and can pierce through fluid bag.When button 34 is pressed, drive thorn needle movement, thus fluid bag is punctured, the water in fluid bag flows out from fluid bag, and flows to corrosion box through conduit 42.
Certainly, the mode that button 34 is controlled the current direction corrosion box 43 in fluid storage boxes 41 has the mode that not only can use pricker, can also be at the interior magnetic valve that arranges of conduit 42, and fluid bag is not set in fluid storage box 41, water is directly contained in fluid storage box 41.After button 34 is pressed, to magnetic valve, send the control signal of unlatching, magnetic valve is opened, and the water in fluid storage box 41 flows to corrosion box 43 through magnetic valve.
Preferably, the shell of fluid storage box 41 is transparent housing, shell is provided with scale mark, user can understand the interior remaining water yield of fluid storage box 41 by observing scale mark, and then whether understanding pricker punctures fluid bag, or understand magnetic valve and whether open, to understand the water yield that flows to corrosion box 43.
Consumable chip data clearing method embodiment:
The data clearing method of ink box chip is described below in conjunction with Fig. 8.First, controller judges that the data of the ink surplus of storing in memory, whether lower than predetermined value, as lower than 2%, perform step S1.In this way, perform step S2, control LED lamp burn red, to user, send index signal.
User receives after index signal, pushes button, and the current direction corrosion box in fluid storage box, and the formation of the anhydrous cupric sulfate in dissolved corrosion box copper-bath, corrode memory.Now, controller execution step S3, starts timing after certainly controlling LED lamp burn red, and through the scheduled time, after 5 minutes, the data of read memory, perform step S4.As memory has been corroded completely, controller cannot reference to storage, data that also just cannot read memory.Therefore, controller execution step S5, the data that can judgement read memory, as can not reading out data, represent that data have removed completely, execution step S6, controls LED lamp glow green, removes index signal.As controller still can read memory data, the data of expression memory are not removed complete, return to execution step S2, again control LED lamp burn red, namely again send index signal, remind user to need in time the data dump of ink box chip.
Certainly, controller can be controlled LED lamp flashing as index signal, controls LED lamp not luminous while removing index signal, or the glow frequency of the glow frequency of LED lamp when sending index signal is inconsistent.
Cartridge embodiment:
The present embodiment has a housing, and housing surrounds the cavity that holds carbon dust, and the outer wall of housing is provided with a consumable chip, and consumable chip has a substrate, and a side of substrate is provided with the electric contact as communication unit, and is provided with a button and LED lamp.The opposite side of substrate is provided with an electronic module, electronic module is provided with controller and memory, the access of controller control storage, memory is provided with erosion unit outward, erosion unit has the corrosion box being wrapped in outside memory and the fluid storage box being communicated with corrosion box, after button is pressed, be stored in the current direction corrosion box in fluid storage box and memory is corroded.
Visible, when user need to remove the data that memory stores, only need to push button, simple to operation, and can improve the Information Security that consumable chip is stored, avoid data leakage.
Certainly, above-described embodiment is only preferably embodiment of the present invention, during practical application, can also have more variation, for example, copper-bath is stored in fluid storage box, and after button is pressed, copper-bath directly flows to corrosion box and corrodes memory; Or, to use other to there is acid solution and substitute copper-bath as corrosive liquid etc., these changes can realize object of the present invention equally.
The variations such as change of the change of erosion unit structure, LED lamp index signal illumination mode finally it is emphasized that and the invention is not restricted to above-mentioned embodiment, as also should being included in the protection domain of the claims in the present invention.
Claims (10)
1. consumable chip, comprises
Substrate, the electronic module that has communication unit on described substrate and be electrically connected to described communication unit, the memory that described electronic module has controller and is electrically connected to described memory;
It is characterized in that:
On described substrate, be also provided with erosion unit, at least a portion of described erosion unit is wrapped in outside described memory, and in described erosion unit, the corrosive liquid that can flow to described memory is housed.
2. consumable chip according to claim 1, is characterized in that:
Described erosion unit has the corrosion box being wrapped in outside described memory and the fluid storage box being communicated with described corrosion box, and described corrosive liquid is stored in described fluid storage box.
3. consumable chip according to claim 2, is characterized in that:
Described corrosive liquid is water, in described corrosion box, accommodates corrosive agent powder.
4. according to the consumable chip described in claims 1 to 3 any one, it is characterized in that:
On described substrate, be also provided with the button that flows to described memory for controlling described corrosive liquid.
5. consumable chip according to claim 4, is characterized in that:
Described corrosive liquid is wrapped in fluid bag, described button with for puncturing the pricker of described fluid bag, be connected.
6. according to the consumable chip described in claim 2 or 3, it is characterized in that:
Described fluid storage box has transparent shell, and described shell is provided with scale mark.
7. consumable chip data clearing method, is characterized in that:
The controller of consumable chip judges when described consumable chip meets data dump condition, sends index signal, after described index signal is responded, is stored in the memory that corrosive liquid in erosion unit flows to described consumable chip.
8. consumable chip data clearing method according to claim 7, is characterized in that:
Described controller sends described index signal and after predetermined time, accesses described memory and judge that whether the data of described memory are eliminated, and remove described index signal after the data of described memory are eliminated.
9. consumable chip data clearing method according to claim 8, is characterized in that:
Described controller judges when the data of described memory are not eliminated, again sends described index signal.
10. consumable container, comprises
Housing, described housing surrounds a cavity that holds consumptive material, described cavity is provided with a consumptive material outlet, and the outer wall of described housing is provided with a consumable chip, described consumable chip comprises substrate, the electronic module that has communication unit on described substrate and be electrically connected to described communication unit, the memory that described electronic module has controller and is electrically connected to described memory;
It is characterized in that:
On described substrate, be also provided with erosion unit, at least a portion of described erosion unit is wrapped in outside described memory, and in described erosion unit, the corrosive liquid that can flow to described memory is housed.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310627219.XA CN103587248B (en) | 2013-11-28 | 2013-11-28 | Consumable chip and data clearing method, consumable container |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310627219.XA CN103587248B (en) | 2013-11-28 | 2013-11-28 | Consumable chip and data clearing method, consumable container |
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| CN103587248A true CN103587248A (en) | 2014-02-19 |
| CN103587248B CN103587248B (en) | 2015-08-19 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09327921A (en) * | 1996-04-08 | 1997-12-22 | Fuji Xerox Co Ltd | Ink jet print head, its manufacture and ink-jet recording device |
| US20020075368A1 (en) * | 2000-12-15 | 2002-06-20 | Shyh-Haur Su | Packaging method and structure of an inkjet cartridge print head chip |
| JP2007055138A (en) * | 2005-08-25 | 2007-03-08 | Oomu Denki:Kk | Ink cartridge |
| CN101954797A (en) * | 2010-10-16 | 2011-01-26 | 珠海天威飞马打印耗材有限公司 | Consumable chip as well as data eliminating method and consumable vessel thereof |
| CN203600783U (en) * | 2013-11-28 | 2014-05-21 | 珠海天威飞马打印耗材有限公司 | Chip of consumables and container of consumables |
-
2013
- 2013-11-28 CN CN201310627219.XA patent/CN103587248B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09327921A (en) * | 1996-04-08 | 1997-12-22 | Fuji Xerox Co Ltd | Ink jet print head, its manufacture and ink-jet recording device |
| US20020075368A1 (en) * | 2000-12-15 | 2002-06-20 | Shyh-Haur Su | Packaging method and structure of an inkjet cartridge print head chip |
| JP2007055138A (en) * | 2005-08-25 | 2007-03-08 | Oomu Denki:Kk | Ink cartridge |
| CN101954797A (en) * | 2010-10-16 | 2011-01-26 | 珠海天威飞马打印耗材有限公司 | Consumable chip as well as data eliminating method and consumable vessel thereof |
| CN203600783U (en) * | 2013-11-28 | 2014-05-21 | 珠海天威飞马打印耗材有限公司 | Chip of consumables and container of consumables |
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| CN103587248B (en) | 2015-08-19 |
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