CN202208185U - Consumable chip and consumable container - Google Patents
Consumable chip and consumable container Download PDFInfo
- Publication number
- CN202208185U CN202208185U CN2011203045701U CN201120304570U CN202208185U CN 202208185 U CN202208185 U CN 202208185U CN 2011203045701 U CN2011203045701 U CN 2011203045701U CN 201120304570 U CN201120304570 U CN 201120304570U CN 202208185 U CN202208185 U CN 202208185U
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- electronic module
- voltage
- chip
- consumable
- comparator
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- 239000000758 substrate Substances 0.000 claims abstract description 20
- 238000001514 detection method Methods 0.000 claims abstract description 13
- 239000003381 stabilizer Substances 0.000 claims description 20
- 238000007639 printing Methods 0.000 claims description 8
- 239000003990 capacitor Substances 0.000 abstract description 17
- 238000012545 processing Methods 0.000 abstract description 4
- 239000000976 ink Substances 0.000 description 12
- 238000009434 installation Methods 0.000 description 8
- 239000000523 sample Substances 0.000 description 8
- 239000000843 powder Substances 0.000 description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 4
- 239000000428 dust Substances 0.000 description 4
- 101000746134 Homo sapiens DNA endonuclease RBBP8 Proteins 0.000 description 2
- 101000969031 Homo sapiens Nuclear protein 1 Proteins 0.000 description 2
- 102100021133 Nuclear protein 1 Human genes 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 239000007799 cork Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 235000012054 meals Nutrition 0.000 description 1
- 230000005055 memory storage Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
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Abstract
The utility model provides a consumable chip and a consumable container. The consumable chip comprises a substrate, a capacitor, a voltage-stabilizing tube and a comparator, wherein an electronic module and a plurality of electric contacts correspondingly connected with the electronic module are arranged on the substrate; the capacitor is connected in parallel between a power supply end and an earthing end of the electronic module; the voltage-stabilizing tube is connected in series with a resistor and then connected in parallel with the capacitor, and the resistor is connected with the power supply end; a first input end of the comparator is connected with the power supply end, a second input end of the comparator is connected with a connecting point of the voltage-stabilizing tube and the resistor, and an output end of the comparator is connected with a detection signal input end of the electronic module. The capacitor can be used for realizing power supply for the chip for certain period after power failure happens, the comparator and the voltage-stabilizing tube are utilized to realize power failure detection, chip can conduct processing on the power failure conditions according to power failure detection signal, thus protecting data loss and damage of the chip in accidental power failure.
Description
Technical field
The utility model relates to printing consumables, especially a kind of consumable container that is installed in the consumable chip on the consumable container and is provided with 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 spray ink as consumable container to paper, needs literal or the pattern printed with formation on paper; Laser printer then uses the cartridge that accommodates carbon dust as consumable container formation need be printed on medium literal or pattern.
No matter be the print cartridge that ink-jet printer uses; Or the cartridge that laser printer uses; Be provided with a chip that is used for storage print consumer (ink or carbon dust) related data information on its box body mostly, this chip generally is fixed on position corresponding with the printer probe on the cartridge outer surface.The printer probe is generally seven or nine, has on the chip and the corresponding contact of printer number of probes and position, forms correspondingly between the two during work to be electrically connected.When box body is installed on the printer or during printer energising start; All can carry out one time identification communication between printer main body and the chip; Printer main body reads the data of storage in the chip and judges whether the data of storage in the chip and the identifying information of printer memory storage mate, if coupling then gets into normal the printing; If do not match, then prompting makes mistakes and refuses to print.And in the print procedure, printer main body also can write down the consumption of consumptive material in the print procedure or the situation of box body internal consumption body and be stored in the chip.
Referring to Fig. 1, Fig. 1 is the structure chart of existing a kind of print cartridge.The bottom surface of its box body 11 is provided with ink outlet port 13, and ink outlet port 13 is communicated with box body 11 interior black chambeies, also is provided with air guide port 12 on the box bottom, and air guide port 12 is used for ambient atmos is introduced black chamber, remains in certain scope with extraneous draught head with balance China ink chamber.When print cartridge did not use, air guide port 12 all passed through the diaphragm seal sealing with ink outlet port 13, and during use, the diaphragm seal on the air guide port 12 is torn, and the diaphragm seal on the ink outlet port 13 is punctured by printhead, and the ink in the black chamber can get into the printhead for printing from ink outlet port.The upper and lower side of its right end face of box body 11 is respectively equipped with a resilient handle 16 and a chip installation position 14 among Fig. 1, and chip 15 is installed on the chip installation position 14, and chip is provided with electric contact 151.Push down resilient handle 16, can pack into the like a cork installation position that is used to install print cartridge of printer of print cartridge perhaps be taken out print cartridge from the installation position.When print cartridge is installed in the installation position, and discharge resilient handle 16, print cartridge is fastened in the installation position, and the electric contact 151 of chip is electrically connected with the probe of printer correspondingly.
Referring to Fig. 2, Fig. 2 is the structure chart of existing a kind of cartridge.Be provided with the powder storehouse that holds carbon dust in its housing 21, also be provided with developing chamber that carries out part imaging work and the waste powder hopper of collecting residual powder, developer roll is arranged in the developing chamber, the waste powder hopper inlet is provided with photosensitive drums, charging roller.Its housing 21 outer walls are provided with a chip installation position 22, and chip 23 is installed on the chip installation position 22, and chip 23 is provided with electric contact 231.In the time of in cartridge is installed in laser printer, the electric contact 231 of chip is electrically connected with the laser printer probe correspondingly.
Chip on print cartridge or the cartridge is the chip that is provided with on the printing consumables, and has similar structure and function, is referred to as consumable chip.
Referring to Fig. 3, Fig. 3 is the structure chart of existing a kind of consumable chip.It has a substrate 31, a fixing electronic module 32 on the substrate, and electronic module is an integrated circuit (IC), and seven electric contacts 33 that are connected with electronic module.Have power supply, ground wire, clock, data and chip enable contact in these contacts at least, also comprise the contact that some auxiliary electrical connect.The contact is used for the power end of electronic module, earth terminal, and COM1 such as clock signal, data-signal is connected with printer main body.When the probe of printer and electric contact connected one to one, electronic module was powered and communicates with printer main body.
A qualified consumable chip need be stood strict test, comprising cutting off the power supply to the impact of consumable chip suddenly.A lot of consumable chips if electronic module is carrying out internal operation or preserving data, if at this moment cut off the power supply suddenly, will cause electronic module to damage or loss of data in the course of the work.In order to prevent that outage suddenly to the influence of consumable chip, needing the power-off protecting circuit of design consumable chip.
Summary of the invention
The main purpose of the utility model provides a kind of corrupted data of storage or the consumable chip of losing in it when preventing to cut off the power supply suddenly.
Another purpose of the utility model provides a kind of consumable container that is provided with above-mentioned consumable chip.
For realizing above-mentioned purpose, the consumable chip that the utility model provides comprises substrate; Substrate is provided with an electronic module, and a plurality of electric contacts of corresponding connection with electronic module; One electric capacity, it is connected in parallel between the power end and earth terminal of electronic module; One voltage-stabiliser tube is connected in parallel with electric capacity behind its resistance of connecting, and resistance connects power end; One comparator, its first input end connects power end, and its second input connects the tie point of voltage-stabiliser tube and resistance, and its output connects the detection signal input of electronic module.
Visible by such scheme, during the electronic module operate as normal, its power end is connected to power supply, the electric capacity charging, and the first input end voltage of comparator is higher than second input; When unexpected outage, the power end non-transformer of electronic module inserts, and capacitor discharge is also supplied with electronic module, because electric capacity is along with increase discharge time; Its electric weight reduces, so the first input end voltage of comparator can be slowly less; And second input terminal voltage is because the effect of voltage-stabiliser tube, and its value is constant, so when first input end voltage begins to be lower than second input terminal voltage; Comparator output signal changes, and at this moment, electronic module utilizes the remaining electric weight work of electric capacity; Electronic module is according to the output signal value situation of change, judges to be in off-position this moment, and the processing of making state when preserving outage or preserving remaining data.
A concrete scheme is, comparator is an operational amplifier, and the in-phase end of operational amplifier is connected with tie point, and the end of oppisite phase of operational amplifier is connected with power end.When electronic module during by normal power supply, the end of oppisite phase of operational amplifier is a high level, and its in-phase end is a low level, and its output low level is to electronic module; When unexpected outage; Electric capacity begins discharge, and the end of oppisite phase voltage of operational amplifier slowly reduces, and its in-phase end voltage remains unchanged under the voltage-stabiliser tube effect; When end of oppisite phase voltage is lower than in-phase end voltage; Operational amplifier output high level, electronic module starts the power down process program after receiving high level signal, and remaining data is preserved or preserved to off-position.
A kind of consumable container that the utility model also provides comprises housing, have in the housing and hold the cavity of printing consumer, and housing is provided with the outlet that allows the printing consumer to discharge from cavity; Consumable chip, consumable chip are fixed on the outer wall of housing, and consumable chip comprises substrate, and substrate is provided with an electronic module, and a plurality of electric contacts of corresponding connection with electronic module; One electric capacity, it is connected in parallel between the power end and earth terminal of electronic module; One voltage-stabiliser tube is connected in parallel with electric capacity behind its resistance of connecting, and resistance connects power end; One comparator, its first input end connects power end, and its second input connects the tie point of voltage-stabiliser tube and resistance, and its output connects the detection signal input of electronic module.
This makes; Consumable container is installed in when using on the printer, and its consumable chip dependability strengthens, under the situation of outage suddenly; Consumable chip still can utilize the electric capacity in its inner holding circuit; Consumable chip is carried out the power supply of a period of time, and consumable chip can judge off-position according to testing circuit, and make the processing of preservation state or data.Thereby, effectively avoided the damage that unexpected outage causes consumable chip or the influence of obliterated data.
A concrete scheme is, comparator is an operational amplifier, and the in-phase end of operational amplifier is connected with tie point, and the end of oppisite phase of operational amplifier is connected with power end.Operational amplifier has been realized the detection to off-position effectively, makes the energy storage chip off-position that can judge rightly out.
Description of drawings
Fig. 1 is the structure chart of existing a kind of print cartridge;
Fig. 2 is the structure chart of existing a kind of cartridge;
Fig. 3 is the structure chart of existing consumable chip;
Fig. 4 is the circuit diagram of the utility model embodiment consumable chip.
Below in conjunction with accompanying drawing and each embodiment the utility model is described further.
The specific embodiment
Consumable chip embodiment
Consumable chip; It has a substrate, is fixed with electronic module on the substrate, and electronic module has a plurality of COM1s; Comprise supply terminals, earth terminal, detection signal input, and be used for data-signal terminals, clock signal terminals and the chip enable end of communicating by letter with printer main body.Also be provided with a plurality of electric contacts on the substrate, it is used for COM1 with electronic module and is connected with printer main body and communicates.
Also be provided with an electric capacity on the substrate, a voltage-stabiliser tube and an operational amplifier.
Referring to Fig. 4, Fig. 4 is the circuit diagram that capacitor C, voltage-stabiliser tube D and operational amplifier A are connected with electronic module 4, has omitted other COM1s of electronic module 4 among Fig. 4.
Capacitor C, it is parallelly connected with electronic module 4, and is connected between the power end 41 and earth terminal of electronic module; Voltage-stabiliser tube D is connected in parallel with said capacitor C after its resistance R of connecting, and resistance R connects power end 41; Operational amplifier A, its end of oppisite phase connects power end 41, and its in-phase end connects the tie point of voltage-stabiliser tube D and resistance R, and its output connects the detection signal input 42 of electronic module.
When the external power source normal power supply, capacitor C is in charged state; When external power source broke suddenly, capacitor C began discharge, and to electronic module 4 power supplies.Along with increase discharge time; The electric weight of capacitor C reduces, and make the input signal of operational amplifier A change: the in-phase end voltage of operational amplifier A equals the terminal voltage of voltage-stabiliser tube D, because the stabilizing voltage characteristic of voltage-stabiliser tube D; Its terminal voltage is constant, so the in-phase end voltage of operational amplifier A is constant; And the end of oppisite phase voltage of operational amplifier A can reduce along with continuing of capacitor C discharge time; When capacitor C begins to discharge; The end of oppisite phase voltage of operational amplifier A is higher than its in-phase end voltage, and then, the end of oppisite phase voltage of operational amplifier A can be reduced to and be lower than its in-phase end voltage.And the characteristic that operational amplifier has: when in-phase end voltage was higher than end of oppisite phase voltage, it was output as high level; When in-phase end voltage was lower than end of oppisite phase voltage, it was output as low level.So when off-position, the detection signal input 42 of electronic module can receive level and uprised by low; At this moment; Electronic module relies on the electric capacity dump energy to work on a period of time, in electronic module, is provided with trace routine in advance, uprises according to the level of detection signal input; Judge and be in off-position this moment, and make the processing of preserving off-position or preserving remaining data.At last, capacitor discharge finishes, and chip thoroughly cuts off the power supply.
The voltage-stabiliser tube of present embodiment can be selected suitable voltage value according to the actual operating position of chip, and the trace routine that is provided with in the chip can be programmed according to two input terminal voltage situation of operational amplifier, and these those of ordinary skills all are easy to realize.
When the situation of outage suddenly takes place at consumable chip in present embodiment; Utilize capacitor discharge to keep electronic module work a period of time; And utilize operational amplifier that power-off signal is sent to electronic module; Electronic module is made the handled measure according to power-off signal, and state or preservation residue are preserved the data that finish when preserving outage.Present embodiment has been avoided losing of internal damage that consumable chip causes because of outage suddenly or data, has strengthened the dependability of chip.
Print cartridge embodiment
Print cartridge has a housing, be provided with in the housing one hold ink cavity, and housing is provided with the ink outlet port that is communicated with cavity.Corresponding to fixed-site one consumable chip of printer probe, consumable chip is the consumable chip of the foregoing description on the housing outer wall, and it has substrate, and substrate is provided with electronic module, electric capacity, voltage-stabiliser tube and operational amplifier etc.
Externally under the power cut-off situation, the capacitor discharge that consumable chip is inner, and power supply works on a period of time it to electronic module.Electronic module is judged off-position through the operational amplifier variation of output signals and is made correspondingly and handling, thereby has avoided electronic module when outage suddenly, to damage or obliterated data, has strengthened the reliability of consumable chip, has improved the quality of print cartridge.
Cartridge embodiment
Cartridge, it has a housing, is provided with the powder storehouse that holds carbon dust in the housing, and the powder storehouse is provided with meal outlet.Corresponding to fixed-site one consumable chip of printer probe, consumable chip is the consumable chip of the foregoing description on the housing outer wall, and it has substrate, and substrate is provided with electronic module, electric capacity, voltage-stabiliser tube and operational amplifier etc.
Externally under the power cut-off situation, the capacitor discharge that consumable chip is inner, and power supply works on a period of time it to electronic module.Electronic module is judged off-position through the operational amplifier variation of output signals and is made correspondingly and handling, thereby has avoided electronic module when outage suddenly, to damage or obliterated data, has strengthened the reliability of consumable chip, has improved the quality of cartridge.
The foregoing description only is the concrete embodiment of the utility model; During practical application more variation can also be arranged; For example, the in-phase end of operational amplifier connects the tie point of power end, end of oppisite phase connection voltage-stabiliser tube and resistance, as long as correspondingly the chip internal trace routine is adjusted; Judge that according to the low level of detection signal be this moment such as off-position etc., these change the purpose that can realize the utility model equally.
Claims (4)
1. consumable chip comprises
Substrate;
Substrate is provided with an electronic module, and a plurality of electric contacts of corresponding connection with said electronic module;
It is characterized in that:
One electric capacity, it is connected in parallel between the power end and earth terminal of said electronic module;
One voltage-stabiliser tube is connected in parallel with said electric capacity behind its resistance of connecting, and said resistance connects said power end;
One comparator, its first input end connects said power end, and its second input connects the tie point of said voltage-stabiliser tube and said resistance, and its output connects the detection signal input of said electronic module.
2. consumable chip according to claim 1 is characterized in that:
Said comparator is an operational amplifier, and the in-phase end of said operational amplifier is connected with said tie point, and the end of oppisite phase of said operational amplifier is connected with said power end.
3. consumable container comprises
Housing has in the said housing and holds the cavity of printing consumer, and said housing is provided with the outlet that allows said printing consumer to discharge from said cavity;
Consumable chip, said consumable chip are fixed on the outer wall of said housing, and said consumable chip comprises substrate, and said substrate is provided with an electronic module, and a plurality of electric contacts of corresponding connection with said electronic module;
It is characterized in that:
One electric capacity, it is connected in parallel between the power end and earth terminal of said electronic module;
One voltage-stabiliser tube is connected in parallel with said electric capacity behind its resistance of connecting, and said resistance connects said power end;
One comparator, its first input end connects said power end, and its second input connects the tie point of said voltage-stabiliser tube and said resistance, and its output connects the detection signal input of said electronic module.
4. consumable container according to claim 3 is characterized in that:
Said comparator is an operational amplifier, and the in-phase end of said operational amplifier is connected with said tie point, and the end of oppisite phase of said operational amplifier is connected with said power end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203045701U CN202208185U (en) | 2011-08-19 | 2011-08-19 | Consumable chip and consumable container |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203045701U CN202208185U (en) | 2011-08-19 | 2011-08-19 | Consumable chip and consumable container |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202208185U true CN202208185U (en) | 2012-05-02 |
Family
ID=45987741
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203045701U Expired - Fee Related CN202208185U (en) | 2011-08-19 | 2011-08-19 | Consumable chip and consumable container |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202208185U (en) |
-
2011
- 2011-08-19 CN CN2011203045701U patent/CN202208185U/en not_active Expired - Fee Related
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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: 20120502 Termination date: 20180819 |