CN105652179B - A kind of detection method and device of consumable chip - Google Patents
A kind of detection method and device of consumable chip Download PDFInfo
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- CN105652179B CN105652179B CN201410714819.4A CN201410714819A CN105652179B CN 105652179 B CN105652179 B CN 105652179B CN 201410714819 A CN201410714819 A CN 201410714819A CN 105652179 B CN105652179 B CN 105652179B
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Abstract
The invention discloses a kind of detection method and device of consumable chip, overcome the shortcomings of that printing imaging device in the prior art is also difficult to identify original-pack printing consumables according to consumable chip.This method includes：Obtain the electrical characteristic of multiple consumable chips；According to the electrical characteristic of the multiple consumable chip, consistency detection result of the multiple consumable chip in the electrical characteristic is obtained.The embodiment of the present invention can identify that multiple consumable chips whether there is consistency, when there is part consumable chip inconsistent, call user's attention can take precautions against in time.The embodiment of the present invention can ensure to print the image quality of imaging device in turn, avoid damaging the associated components for printing imaging device using fakement printing consumables, ensure the stability and service life of printing imaging device.
Description
Technical field
The present invention relates to the detection technique of the chip for printing imaging device more particularly to a kind of detections of consumable chip
Method and device.
Background technology
In colour print imaging device, generally require that a plurality of types of printing consumables are installed.Generally it is arranged on printing consumables
There is the consumable chip of the status information for recording printing consumables.These consumptive material cores in same colour print imaging device
Piece is typically connected to printing imaging device by same communication bus (common bus), therefore only needs a small amount of line
Road can be achieved with the communication between printing imaging device and multiple consumable chips.
Instruction can be sent by a communication bus to each consumable chip by printing imaging device, to obtain each consumption respectively
The information of material chip, to learn whether printing consumables is installed on printing imaging device.This is to be printed as in the prior art
As equipment is in the detection whether mounted conventional treatment method of printing consumables.
The having a certain difference property of printing consumables that different vendor provides.Such as the printing consumables of different vendor is in ink
Granular size, charging property and the melt temperature etc. of viscosity, color depth, heat characteristic and carbon dust, there is or it is more
Or few difference.If using the printing consumables of different vendor on same printing imaging device, may cause to be fixed
The problems such as insecure, irregular colour weighs and transition is stiff.The printing consumables that same manufacturer produces in different times, it is also possible to because
The nuance of raw material, variation of production environment etc. and there is subtleer differences.
For this purpose, for a colour print imaging device, a determining time point preferably using same
The printing consumables that manufacturer provides, especially with a batch of printing consumables.Because poor between the printing consumables of different vendor's production
It is different larger.Between the printing consumables of even same manufacturer's different batches, it is also possible to which there is subtle differences.
For printing the production firm of imaging device, it is desirable to which equipment, which can use, best embodies equipment excellent properties
Printing consumables.Typically, the production firm of imaging device is printed, produces and sells printing consumables simultaneously.Same producer carries
The printing consumables of confession and printing imaging device, in general degree of cooperation is best, can either ensure printing consumables authenticity and
Image quality, while the excellent properties of printing imaging device can be played comprehensively again.
However, presently, there are some to be compatible with consumable chip, the production firm that can imitate printing imaging device is produced
Consumable chip (i.e. original-pack consumable chip).These compatibility consumable chips functionally on original-pack consumable chip, beating
When printing imaging device by sending identification instruction to consumable chip to be identified and verify to printing consumables, these consumable chips
Feedack and original-pack consumable chip be also.But as described above, the printing consumables of different vendor's production is deposited
In certain difference, current printing imaging device can not also identify the consistency of printing consumables by consumable chip.
In addition, there is the packaging for the original-pack printing consumables that counterfeit regular production manufacturer of illegal manufacturer produces, beaten to manufacture fakement
Print consumptive material.Fakement printing consumables has larger difference compared to original-pack printing consumables in price, to which there is certain markets
Demand.Although fakement printing consumables still may be implemented to be imaged after being mounted on the printing imaging device that regular manufacturer produces,
But there is larger differences with original-pack printing consumables in all various aspects such as image quality.Moreover, some fakement printing consumables exist
The problem of damage printing imaging device associated components and then influencing printing imaging device work quality and working life.
If printing imaging device cannot identify fakement printing consumables by consumable chip, user may can root
The problem of fakement printing consumables is mistaken for original-pack printing consumables according to outer packing etc., to give printing imaging device production firm
Very more problems after sale is brought, the business reputation of regular manufacturer is influenced, reduces printing imaging device and original-pack printing consumables
Brand image.
Invention content
The technical problem to be solved by the present invention is in order to overcome printing imaging device in the prior art to be also difficult to basis
Consumable chip identifies the deficiency of original-pack printing consumables.
In order to solve the above-mentioned technical problem, the embodiment of the present invention provides firstly a kind of detection method of consumable chip,
Wherein, this method includes：Obtain the electrical characteristic of multiple consumable chips；According to the electrical characteristic of the multiple consumable chip, obtain
Obtain consistency detection result of the multiple consumable chip in the electrical characteristic.
Preferably, this method includes：According to default determining rule and the multiple consumable chip in the electrical characteristic
Consistency detection as a result, determining in the multiple corresponding printing consumables of consumable chip with the presence or absence of fakement printing consumption
Material.
Preferably, the default determining rule, including：Exist in the multiple corresponding printing consumables of consumable chip
Genuine piece printing consumables；Or the electrical characteristic reference value of pre-set consumable chip.
Preferably, the electrical characteristic include the current characteristics of the multiple consumable chip, power characteristic, capacitance characteristic or
Feedback characteristics of the person to preset instructions.
Preferably, each difference in the current characteristics of the multiple consumable chip, including the multiple consumable chip
It, and should in the multiple consumable chip when being communicated with the equipment for providing consistency detection environment for the multiple consumable chip
The consumption not communicated with the equipment in the dynamic current for the consumable chip that equipment is communicated and the multiple consumable chip
The sum of the quiescent current of material chip；It is each in the power characteristic of the multiple consumable chip, including the multiple consumable chip
It is a when being communicated respectively with the equipment for providing consistency detection environment for the multiple consumable chip, the multiple consumable chip
In the dynamic power of consumable chip that is communicated with the equipment and do not led to the equipment in the multiple consumable chip
The sum of static power of consumable chip of letter.
Preferably, the capacitance characteristic of the multiple consumable chip, include to each in the multiple consumable chip into
Charge characteristic when row charging and/or flash-over characteristic when electric discharge.
Preferably, the feedback characteristics to preset instructions includes the multiple consumable chip respectively to the preset instructions
Feedback duration characteristic.
The embodiments of the present invention also provide a kind of detection devices of consumable chip, wherein the device includes：Obtain mould
Block is set as obtaining the electrical characteristic of multiple consumable chips；Judgment module is set as according to the electrical of the multiple consumable chip
Characteristic obtains consistency detection result of the multiple consumable chip in the electrical characteristic.
Preferably, the judgment module is set as determining that rule and the multiple consumable chip are electrical at this according to default
Consistency detection in characteristic is beaten in the multiple corresponding printing consumables of consumable chip with the presence or absence of fakement as a result, determining
Print consumptive material.
Preferably, the default determining rule, including：Exist in the multiple corresponding printing consumables of consumable chip
Genuine piece printing consumables；Or the electrical characteristic reference value of pre-set consumable chip.
Preferably, the electrical characteristic include the current characteristics of the multiple consumable chip, power characteristic, capacitance characteristic or
Feedback characteristics of the person to preset instructions.
Preferably, each difference in the current characteristics of the multiple consumable chip, including the multiple consumable chip
It, and should in the multiple consumable chip when being communicated with the equipment for providing consistency detection environment for the multiple consumable chip
The consumption not communicated with the equipment in the dynamic current for the consumable chip that equipment is communicated and the multiple consumable chip
The sum of the quiescent current of material chip；It is each in the power characteristic of the multiple consumable chip, including the multiple consumable chip
It is a when being communicated respectively with the equipment for providing consistency detection environment for the multiple consumable chip, the multiple consumable chip
In the dynamic power of consumable chip that is communicated with the equipment and do not led to the equipment in the multiple consumable chip
The sum of static power of consumable chip of letter.
Preferably, the capacitance characteristic of the multiple consumable chip, include to each in the multiple consumable chip into
Charge characteristic when row charging and/or flash-over characteristic when electric discharge.
Preferably, the feedback characteristics to preset instructions includes the multiple consumable chip respectively to the preset instructions
Feedback duration characteristic.
Compared with prior art, the embodiment of the present invention can identify that multiple consumable chips whether there is consistency,
Have part consumable chip it is inconsistent when, can in time call user's attention take precautions against.The embodiment of the present invention can ensure to beat in turn
The image quality for printing imaging device avoids damaging the associated components for printing imaging device using fakement printing consumables, and guarantee is beaten
Print the stability and service life of imaging device.
Other features and advantages of the present invention will be illustrated in the following description, also, partly becomes from specification
It obtains it is clear that being understood by implementing technical scheme of the present invention.The purpose of the present invention and other advantages can by
Specifically noted structure and/or flow are realized and are obtained in specification, claims and attached drawing.
Description of the drawings
Attached drawing is used for providing further understanding technical scheme of the present invention or the prior art, and constitution instruction
A part.Wherein, the attached drawing of embodiment of the present invention technical side for explaining the present invention together with embodiments of the present invention is expressed
Case, but do not constitute the limitation to technical solution of the present invention.
Fig. 1 is the flow diagram of the embodiment of the detection method of the consumable chip of the present invention.
Fig. 2 be the present invention consumable chip detection method embodiment in the electric current on power cord in communication bus into
The principle schematic of row sampling.
Fig. 3 charges and discharges a consumable chip in the embodiment for the detection method of the consumable chip of the present invention
The buck curve synoptic diagram of formation.
Fig. 4 is the flow diagram of another embodiment of the detection method of the consumable chip of the present invention.
Fig. 5 is the organigram of the embodiment of the detection device of the consumable chip of the present invention.
Specific implementation mode
Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings and examples, how to be applied to the present invention whereby
Technological means solves technical problem, and the realization process for reaching relevant art effect can fully understand and implement.This hair
Each feature in bright embodiment and embodiment, can be combined with each other under the premise of not colliding, be formed by technical solution
Within protection scope of the present invention.
In addition, the flow of attached drawing can be in the computer system of such as a group of computer-executable instructions the step of illustrating
Middle execution.Also, although logical order is shown in flow charts, and it in some cases, can be with different from herein
Sequence executes shown or described step.
The present inventor passes through the study found that although the function that can would be compatible with consumable chip is made with original-pack consumptive material
Chip is the same, but the chip circuit that different vendor specifically designs has differences, therefore its electrical characteristic can also exist centainly
Difference.It is thus possible to be detected by the electrical characteristic to consumable chip to identify the one of printing consumables and consumable chip
Cause property.
The embodiment of the detection method of the consumable chip of the present invention, can be to multiple consumable chips and respectively corresponding
Printing consumables carries out consistency detection.These consumable chips can such as be mounted in same printing imaging device, especially
On same colour print imaging device.By the consistency detection, those consumable chips can be known in the characteristic detected
On whether be consistent.By above-mentioned consistency detection and subsequent processing, can also know mounted on same printing imaging
Printing consumables corresponding with these consumable chips in equipment whether there is to differ with original product (also referred hereinafter as genuine piece)
The product (such as fakement) of cause.
Consumable chip on same printing imaging device is typically connected to printing imaging by a communication bus
Equipment.The respective consumption of multiple printing consumables installed on printing imaging device can be analyzed by above-mentioned consistency detection
Whether material chip is consistent in the performance detected.
If these consumable chips are consistent in the performance detected and can determine in these consumable chips at least
There are one being genuine piece, then it can determine that these consumable chips are genuine piece.If these consumable chips are in the performance detected
It cannot be consistent and can determine that at least one in these consumable chips is genuine piece, then can determine these consumable chip institutes
There is the products inconsistent with genuine piece (to be illustrated and be illustrated with fakement below) in corresponding printing consumables, and can incite somebody to action
Printing consumables with the consumable chip of the genuine piece corresponding to inconsistent that or those consumable chip is determined as fakement.
According to the consistency detection result of these consumable chips and the printing pre-stored reference value of imaging device, also may be used
It whether there is fakement to know in the printing consumables corresponding to these consumable chips.If these consumable chips are being detected
It is consistent in performance, and is also consistent with the printing pre-stored reference value in the performance detected of imaging device,
It may be considered that the printing consumables corresponding to these consumable chips is genuine piece.If these consumable chips are in the performance detected
On be consistent, but with printing the pre-stored reference value in the performance detected of imaging device all cannot keep unanimously,
It may be considered that the printing consumables corresponding to these consumable chips is fakement.
As shown in Figure 1, the embodiment of the detection method of the consumable chip of the present invention, mainly includes the following steps.
Step S110 obtains the electrical characteristic of the consumable chip of each printing consumables.Those consumable chips such as can be peace
On same printing imaging device, or can also be to be mounted on to be used for carrying out consistency detection to consumable chip
In other equipment, as long as the equipment can provide consistency detection environment for those consumable chips.
Step S120, according to the electrical characteristic of each consumable chip, judge these consumable chips in the electrical characteristic whether
Have consistency, obtains consistency detection result of these consumable chips in the electrical characteristic.
Pass through the above-mentioned consistency detection carried out to those consumable chips in the electrical characteristic, so that it may to know those
Whether consumable chip is consistent in the characteristic detected.If these consumable chips keep one in the characteristic detected
It causes, then illustrates that these consumable chips are all original-pack consumable chip or are all compatible consumable chip.
As shown in Figure 1, the above embodiment of the present invention can also carry out following steps.
Step S130, according to the consistency detection knot of default determining rule and those consumable chips in the electrical characteristic
Fruit determines and whether there is fakement printing consumables in the printing consumables corresponding to those consumable chips.
Above-mentioned default determining rule, for example can be it is believed that in the corresponding printing consumables of those consumable chips
There is genuine piece printing consumables or printer to be previously stored with reference value of the consumable chip in terms of electrical characteristic.
Firmly believe that there is the situations of genuine piece printing consumables in the corresponding printing consumables of those consumable chips, although including knowing those
There is genuine piece printing consumables in the corresponding printing consumables of consumable chip, but do not know specific which or which printing consumables
It is genuine piece printing consumables；Further include not just knowing that there is genuine piece printings to consume in the corresponding printing consumables of those consumable chips
Material, currently it is also known that specific which or which printing consumables is genuine piece printing consumables.
In the embodiment of the detection method of the consumable chip of the present invention, above-mentioned electrical characteristic, for example can be consumptive material core
The current characteristics or power characteristic of piece.In the above-described embodiments, the current characteristics of consumable chip, for example can be consumable chip
Quiescent current and/or consumable chip dynamic current characteristic；The power characteristic of consumable chip therein can be consumptive material
The static power characteristic of chip and/or the dynamic power characteristic of consumable chip.
When all consumable chips on printing imaging device are connected to printing imaging device by a communication bus, simultaneously
The quiescent current and dynamic current characteristic for needing these chips can just learn the quiescent current and dynamic of some specific chip
Electric current.Similarly, in the scheme of power characteristic, while needing the quiescent dissipation characteristic of these chips and dynamic power consumption special
Property, it can just learn the quiescent dissipation and dynamic power consumption of some specific chip.Based on the respective quiescent current of each chip and dynamic
Electric current or respective quiescent dissipation and dynamic power consumption, so that it may to determine whether consumable chip is original product.
It should be noted that being equal to the product of electric current and voltage in view of power, in the embodiment of the present invention, using consumptive material core
The current characteristics of piece and power consumption characteristics judge to print the consistency of all consumable chips on imaging device, in technical principle
It communicates, the realization method of both schemes can be referred to mutually.
Each consumable chip can be connected to printing imaging device by same communication bus.It is generally wrapped in communication bus
Shared power cord VCC, ground wire GND, clock line CLK, data line I/O, reset line RESET and chip select line CS are included
(chip select) etc..
As shown in Fig. 2, be sampled to the electric current in communication bus on power cord VCC, printing imaging device not with its
When the respective consumable chip of printing consumables of upper installation is communicated, can according on power cord VCC voltage and sampling obtain
The electric current obtained, obtains the static power of all consumable chips.The electric current obtained at this time in power cord VCC up-samplings, with the static state
Power is corresponding, can be referred to as quiescent current.Electric current in communication bus on power cord VCC is sampled, it can be by setting
It sets and is completed in sample circuit on power cord VCC.The sample circuit can also be arranged in printing imaging device.At it
In his some embodiments, a sample circuit can be respectively set, and each sample circuit is to oneself institute on each consumable chip
The electric current that the consumable chip of category is linked into communication bus on power cord VCC is sampled.
When any one of printing imaging device and those consumable chips are communicated, to power cord in communication bus
Electric current on VCC is sampled, at this time according on power cord VCC voltage and the electric current that obtains of sampling, acquisition be and beat
The dynamic power for that consumable chip that print imaging device is communicated and the sum of the static power of other all consumable chips.
The electric current obtained at this time in power cord VCC up-samplings is that a consumable chip is communicated and remaining consumption with printing imaging device
The sum of electric current when material chip is not communicated with printing imaging device.
Printing imaging device communicated one by one with all consumable chips, you can obtain these consumable chips respectively with printing
The sum of the electric current of all consumable chips when imaging device is communicated.All consumable chips are led to printing imaging device respectively
Letter, can obtain the sum of the electric current of the several all consumable chips equal with consumable chip quantity.For on printing imaging device
When being equipped with N number of (N is the positive integer more than or equal to 2) printing consumables, the quantity of corresponding consumable chip is also N.Printing imaging
The sum of the electric current of these consumable chips that equipment obtains when only being communicated with first consumable chip is calculated as I1, and printing imaging is set
It is calculated as I2 for the sum of the electric current of these consumable chips obtained when only being communicated with second consumable chip ..., printing imaging
The sum of the electric current of these consumable chips that equipment obtains when only being communicated with n-th of consumable chip is calculated as In.Wherein, Ii is to beat
The dynamic current and remaining N-1 consumptive material core of i-th of consumable chip when print imaging device is communicated with i-th of consumable chip
The sum of quiescent current of piece, 1≤i≤N.
If the electric current for all consumable chips that printing imaging device obtains when being communicated one by one with all consumable chips
The sum of be equal, namely as I1=I2=... when=In=...=IN, it may be considered that all consumable chips are in current characteristics
On be consistent.If known in this N number of printing consumables in advance some or certain it is several be genuine piece really, can will
These are consistent all consumable chips on current characteristics, and respectively corresponding printing consumables is confirmed as genuine piece.
Printing imaging device communicated one by one with all consumable chips, you can obtain these consumable chips respectively with printing
The sum of the power of all consumable chips when imaging device is communicated.All consumable chips are led to printing imaging device respectively
Letter, can obtain the sum of the power of the several all consumable chips equal with consumable chip quantity.For on printing imaging device
When being equipped with N number of (N is the positive integer more than or equal to 2) printing consumables, the quantity of corresponding consumable chip is also N.Printing imaging
The sum of the power of these consumable chips that equipment obtains when only being communicated with first consumable chip is calculated as W1, and printing imaging is set
It is calculated as W2 for the sum of the power of these consumable chips obtained when only being communicated with second consumable chip ..., printing imaging
The sum of the power of these consumable chips that equipment obtains when only being communicated with n-th of consumable chip is calculated as Wn.Wherein, Wi is to beat
The dynamic power and remaining N-1 consumptive material core of i-th of consumable chip when print imaging device is communicated with i-th of consumable chip
The sum of static power of piece, 1≤i≤N.
If the power for all consumable chips that printing imaging device obtains when being communicated one by one with all consumable chips
The sum of be equal, namely as W1=W2=... when=Wn=...=WN, it may be considered that all consumable chips are in power characteristic
On be consistent.If known in this N number of printing consumables in advance some or certain it is several be genuine piece really, can will
These are consistent all consumable chips in power characteristic, and respectively corresponding printing consumables is confirmed as genuine piece.
If the power for all consumable chips that printing imaging device obtains when being communicated one by one with all consumable chips
The sum of not necessarily all equal namely W1, W2 ..., Wn ... and have in WN part it is unequal when, then illustrate that these consumable chips exist
It is inconsistent in power characteristic, at this time it may be considered that in printing consumables corresponding to these consumable chips, there is part printing
Consumptive material may have any different with other printing consumables.If known in this N number of printing consumables in advance some or certain it is several
Really be genuine piece, then can according to this genuine piece with print all consumable chips when imaging device be communicated power it
With or these genuine pieces respectively communicated with printing imaging device when all consumable chips the sum of power, which to be determined
Printing consumables may be fakement.
If it is believed that p-th of (1≤p≤N) printing consumables is genuine piece in N number of printing consumables, p-th of printing consumables
Corresponding consumable chip is communicated with printing imaging device and remaining N-1 consumable chip is not carried out with printing imaging device
The sum of power when communication is Wp, then within the scope of error allows, the consumable chip corresponding to other N-1 printing consumables
Respectively with the sum of the power that is communicated of printing imaging device, corresponding consumable chip may be considered that and pth when equal with Wp
The consumable chip of a printing consumables is consistent, with Wp it is unequal when corresponding consumable chip may be considered that and p-th of printing consumes
The consumable chip of material is inconsistent.
Further, corresponding to consistent with the consumable chip of p-th of printing consumables that or those consumable chip
Printing consumables, be considered genuine piece；Inconsistent that or those consumptive material with the consumable chip of p-th of printing consumables
Printing consumables corresponding to chip, is considered fakement.
All consumable chips are connected to the situation of printing imaging device by a communication bus, it can be assumed that this dozen
Printing setting on imaging device, there are three printing consumables, and corresponding there are three consumable chips.The respective quiescent dissipation of these three chips point
Not Wei K1, K2 and K3, then total quiescent dissipation W0=K1+K2+K3.When only reading and writing first consumable chip, these three consumptive materials
The respective power consumption of chip is respectively D1, K2 and K3, power consumption W1=D1+K2+K3 total at this time.No matter the second consumable chip and third
Consumable chip whether genuine piece, W1-W0=D1-K1, this result is the static-dynamic power consumption (dynamic power consumption of first consumable chip
With the difference of quiescent dissipation), it is only related with first consumable chip.And so on, also can get second consumable chip and
The respective static-dynamic power consumption of third consumable chip.To which all consumable chips printed on imaging device are total by a communication
When line is connected to printing imaging device, the static-dynamic power consumption of each consumable chip can be specifically determined, and then judge each consumption
Whether material chip is original product.
It is specifically applied at one in test case, it is assumed that the consumptive material of an ink-jet printer includes tetra- colors of C, M, Y and K
Print cartridge, each print cartridge is separately installed with the consumable chip of C, M, Y and K type.This four consumable chips are total by a communication
Line is connected to printing imaging device.When ink-jet printer is not read out any one consumable chip or when write operation,
The electric current Is0 on power cord VCC can be obtained by sampling circuit samples can obtain in conjunction with the voltage on power cord VCC
The quiescent dissipation Ws0 of all consumable chips.
When ink-jet printer carries out write operation to consumable chip Y, sampling obtains the electric current Is1 on power cord VCC, then
In conjunction with the voltage on power cord VCC, the quiescent dissipation of C, M and K consumable chip and the dynamic work(of Y consumable chips can be obtained at this time
The sum of consumption Ws1.
Then, ink-jet printer stops that consumable chip Y is written, and changes into carry out write operation to C, M and K respectively, and divide
The sum of the power consumption under situation Ws2, Ws3 and Ws4 Ji Suan not corresponded to.As error (such as ± 5%) interior expression formula Ws1=in permission
When Ws2=Ws3=Ws4 is set up, it may be considered that the electrical characteristic of this four consumable chips is consistent, and this four consumptions are can consider
Material chip is same manufacturer's design production, or is also believed that this four consumable chips are the same batches of the manufacturer
Product.
It is not to be connected to printing imaging by a communication bus to set if printing all consumable chips on imaging device
It is standby, but each consumable chip is respectively independently-powered, then can only pass through the quiescent dissipation of each in these consumable chips
Or dynamic power consumption, so that it may with realize whether be sentencing for original product to all consumable chips on same printing imaging device
It is disconnected to determine.For example, be both powered up to all consumable chips on same printing imaging device, but when without read-write operation, respectively
The corresponding power of chip is the respective static power of each consumable chip.If wherein have the quiescent dissipation of part consumable chip with
The quiescent dissipation difference of other consumable chips is larger and exceeds preset judgement range, then can determine on the printing imaging device
Consumable chip it is inconsistent.If can determine that portioned product is original product, the inconsistent consumptive material with these original products
Chip is clone (also being understood as fakement).Certainly, it also sets up in turn, namely if can determine that portioned product is
Clone, then the consumable chip inconsistent with these clones is original product (i.e. above-mentioned genuine piece).
When all consumable chips on printing imaging device are all independently-powered, only by each in these consumable chips
A dynamic power consumption can also be realized to whether all consumable chips on same printing imaging device are sentencing for original product
It is disconnected to determine.For example, being both powered up to all consumable chips on same printing imaging device, and each consumable chip is carried out successively
Read-write, the corresponding power of each chip are the respective dynamic power of each consumable chip.If wherein there is the dynamic of part consumable chip
State power consumption differs larger with the dynamic power consumption of other consumable chips and exceeds preset judgement range, then can determine that this is printed as
As the consumable chip in equipment is inconsistent.If can determine that portioned product is original product, differ with these original products
The consumable chip of cause is clone (also being understood as fakement).Certainly, it also sets up in turn, namely if can determine portion
It is clone to divide product, then the consumable chip inconsistent with these clones is original product.By quiescent current or
Dynamic current come realize to all consumable chips on same printing imaging device whether be original product judgement determine, can
To use similar method.
In the embodiment of the detection method of the consumable chip of the present invention, above-mentioned electrical characteristic, for example can also be consumptive material
The capacitance characteristic of chip namely the charge characteristic of consumable chip and/or flash-over characteristic.By carrying out charge and discharge simultaneously to consumable chip
It is whether consistent on capacitance characteristic can to obtain different consumable chips for the charge-discharge characteristic for recording consumable chip.
Then stop powering for example, powering to consumable chip, the ends VCC of consumable chip are sampled in real time, so that it may with
Charge characteristic when consumable chip rises to second voltage from first voltage is obtained, and drops to the 4th voltage from tertiary voltage
When flash-over characteristic.Wherein, second voltage is more than first voltage, and tertiary voltage is more than the 4th voltage；Second voltage can be with
Three voltages are equal, the magnitude relationship that can not determined between first voltage and tertiary voltage, which such as can be 0
Volt (V).
Wherein, above-mentioned charge characteristic such as can be charging duration, can also be according to charging duration and voltage value shape
At boosting curve.Above-mentioned flash-over characteristic such as can be electric discharge duration, can also be according to electric discharge duration and voltage value shape
At drawdown curve.
All consumable chips are connected to the situation of printing imaging device by a communication bus, it can be in each consumption
One charge and discharge switch (connection capacitance or capacitive module etc.) is set on material chip.Before carrying out charge-discharge test, printing
Imaging device sends switch order to control the break-make of the charge and discharge switch on each chip by elder generation to each consumable chip, thus
Realize the independent charge and discharge to each consumable chip.
It, can be straight to wherein each consumable chip when all consumable chips on printing imaging device are all independently-powered
Tap into row charge-discharge test.
Fig. 3 is shown charges and discharges the buck curve synoptic diagram to be formed to a consumable chip.It is wherein vertical to sit
Voltage (V) on mark mark consumable chip, abscissa indicate time T.On the vertical scale, show a consumable chip from 0 volt
Spy boosts to V1 volts of process, and 0 volt of process is depressurized to from V1 volts.On the horizontal scale, 0 moment is to T1 timetables
Show the process to charge to the consumable chip, the process for indicating to discharge to the consumable chip from the T1 moment to the T2 moment.
For multiple consumable chips on same printing imaging device, as long as setting identical first voltage, second
Voltage, tertiary voltage and the 4th voltage, and use identical power supply and method of supplying power to, then it can be by each consumptive material
The charge characteristic and/or flash-over characteristic of chip, so that it may to learn whether these consumable chips are consistent on capacitance characteristic.
One by one to being printed as all consumable chips progress charge and discharge in equipment and obtaining respective capacitance characteristic, if
The capacitance characteristic obtained respectively under the conditions of the same detection of these consumable chips is consistent, then illustrates that these consumable chips are consistent
's.If the capacitance characteristic obtained respectively under the conditions of the same detection of these consumable chips is inconsistent, illustrate these consumptive material cores
There is differences with other consumable chips for part in piece.
If known in these printing consumables in advance some or certain it is several be genuine piece really, can be according to this
The capacitance characteristic or the respective capacitance characteristic of these genuine pieces of one genuine piece, to determine which printing consumables may be fakement.
Further, corresponding to capacitance characteristic that or those consumable chip consistent with the consumable chip of genuine piece
Printing consumables is considered genuine piece；Inconsistent that or those the consumptive material core of the consumable chip of capacitance characteristic and genuine piece
Printing consumables corresponding to piece, is considered fakement.
It is of course also possible to a capacitance characteristic reference value is pre-set, the consumption on printing consumables to indicate a genuine piece
Material chip capacity characteristic.Then within the scope of error allows, different capacitance characteristic institute is right with the capacitance characteristic reference value
The consumable chip answered, corresponding printing consumables are considered fakement；Capacitance identical with the capacitance characteristic reference value is special
Consumable chip corresponding to property, corresponding printing consumables are considered genuine piece.
The embodiment of the present invention can also analyze each consumable chip by indicating that all consumable chips execute identical instruction
To the feedback characteristics of the instruction, to obtain the consistency of these consumable chips.Computing function on chip, by software (or
Mainly by software) when realizing, chip just mainly determines (certainly, chip to the feedback capability of instruction by the complexity of software
Interior CPU digits, there is also certain relationships for working frequency).Computing function on chip is by hardware (or mainly by hardware)
When realization, chip is just mainly determined the feedback capability of instruction by logic circuit.Different Software for Design and/or electricity in chip
Road design will have a certain difference the handling duration of the same instruction.To which different consumable chips are to identical default
The feedback characteristics of instruction can also reflect the electrical characteristic of consumable chip.
Production field, at least printing consumables in identical series are designed in printing imaging device and mating printing consumables
On or one period in printing consumables on, the designed consumable chip produced of same manufacturer is handled required for same instruction
Time be almost identical.This is because manufacturer can keep suitable in terms of the circuit design of consumable chip and programming
The continuity of degree.Therefore, if under identical testing conditions, multiple consumable chips differ to the response time of same instruction
It causes, is then likely to illustrate that these consumable chips are not provided by the same manufacturer, or be not same a batch that same manufacturer provides
Secondary product.
As shown in figure 4, another embodiment of the detection method of the consumable chip of the present invention, mainly includes the following steps.
Step S410, the respectively identical instruction of consumable chip transmission on each printing consumables.The instruction can be installation
The printing imaging devices of those printing consumables is sent out.When sending the instruction to each consumable chip, timing is started simultaneously at.
Certainly, as long as ensureing that testing conditions are identical, all consumable chips can not also be mounted on printing imaging device
Carry out the detection of the consumable chip of the present invention.
Above-mentioned instruction, for example can be multiplying instruction or cryptographic algorithm instruction etc..
Step S420 after each consumable chip receives the instruction, is respectively handled according to the instruction, and is being located accordingly
The equipment that reason instructs after terminating to transmission feeds back respective response.
Step S430 receives the response of each consumable chip feedback, stops timing, obtain each consumable chip respectively to the instruction
Feedback characteristics, for example each consumable chip is to the feedback duration characteristic of the instruction.Pass through the feedback characteristics to those consumable chips
It is compared and analyzes, obtain whether those consumable chips have the consistency detection of consistency as a result, can such as know this
Whether a little consumable chips are consistent the feedback duration of same instruction.If these consumable chips keep one in feedback characteristics
It causes, then illustrates that these consumable chips are all original-pack consumable chip or are all compatible consumable chip.
Step S440, according to default determining regular and those consumable chips to the consistency of the feedback characteristics of same instruction
Testing result determines and whether there is fakement printing consumables in the printing consumables corresponding to those consumable chips.
Above-mentioned default determining rule, for example can be it is believed that in the corresponding printing consumables of those consumable chips
There is genuine piece printing consumables or printer to be previously stored with reference value of the consumable chip in terms of electrical characteristic.
Firmly believe that there is the situations of genuine piece printing consumables in the corresponding printing consumables of those consumable chips, although including knowing those
There is genuine piece printing consumables in the corresponding printing consumables of consumable chip, but do not know specific which or which printing consumables
It is genuine piece printing consumables；Further include not just knowing that there is genuine piece printings to consume in the corresponding printing consumables of those consumable chips
Material, currently it is also known that specific which or which printing consumables is genuine piece printing consumables.
For example, at one in application test case, for being equipped with the printer of N number of printing consumables, one by one to each consumptive material
Chip sends an instruction for calculating a certain algorithm, and each consumable chip can be counted after receiving instruction according to corresponding algorithm
It calculates, responds after taking a certain time and respectively printer.At this time printer can obtain each consumable chip respond the instruction when
Grow and preserve, obtain respectively all consumable chips time T1, T2 ... and TN.In allowable error (such as ± 5%)
In range, if time T1, T2 of all consumable chips ... and TN is equal, and illustrates those consumable chips to instruction
It remains in terms of response unanimously, has consistency.If time T1, T2 of all consumable chips ... and some in TN
It is unequal with another part, then illustrate that those consumable chips cannot be consistent the response aspect of instruction, does not have consistent
Property.
If in this N number of printing consumables, firmly believe there are one or multiple printing consumables be genuine piece, in all consumable chips
Time T1, T2 ... and TN is when being equal, it is believed that the printing consumables corresponding to those consumable chips is genuine piece.If
All consumable chips time T1, T2 ... and some in TN and another part it is unequal, it may be considered that those
There is the products inconsistent with genuine piece in printing consumables corresponding to consumable chip.If which printing consumables can be known
Or which printing consumables is genuine piece, then in all consumable chips, can also determine the consumptive material core of feedback duration and genuine piece
Printing consumables and genuine piece corresponding to those unequal consumable chips of piece is inconsistent, for example may be fakement, although being
Genuine piece but be not with a batch of product with that known or those genuine pieces.
It is of course also possible to pre-set a feedback duration reference value, the consumption on printing consumables to indicate a genuine piece
Feedback duration of the material chip to same instruction.It is different with the feedback duration reference value then within the scope of allowable error
The consumable chip corresponding to duration is fed back, corresponding printing consumables is considered the product inconsistent with genuine piece；With this
The consumable chip corresponding to the identical feedback duration of duration reference value is fed back, corresponding printing consumables is considered very
Product.
As shown in figure 5, the detection device 50 of the consumable chip of the present invention includes mainly acquisition module 510 and judgment module
520。
Acquisition module 510 is connected with multiple consumable chips to be detected, is set as obtaining the electrical spy of multiple consumable chips
Property.These consumable chips to be detected can be mounted on same printing imaging device, or can also make to be mounted simultaneously
In the other equipment for being capable of providing same detection condition, as long as can ensure to provide for these consumable chips to be detected identical
Detection environment.Signal is provided in Fig. 5 by taking N number of consumable chip as an example, wherein 1≤i≤N, N are just whole more than or equal to 2
Number.
Judgment module 520 is connected with acquisition module 510, is set as, according to the electrical characteristic of the multiple consumable chip, obtaining
Obtain consistency detection result of the multiple consumable chip in the electrical characteristic.
In the detection device of the consumable chip of the present invention, which can be set to be advised according to default determine
Then and consistency detection of these consumable chips to be detected in the electrical characteristic is as a result, determine these consumable chips respectively
It whether there is fakement printing consumables in corresponding printing consumables.
Above-mentioned default determining rule, for example can be in these corresponding printing consumables of consumable chip to be detected
Can also be the electrical characteristic reference value for being the setting of these consumable chips in advance there are genuine piece printing consumables.
In the detection device of the consumable chip of the present invention, electrical characteristic can be the electric current of these consumable chips to be detected
Characteristic, power characteristic or capacitance characteristic can also be feedback characteristics of these consumable chips to be detected to preset instructions.
The current characteristics of these consumable chips to be detected, including in these consumable chips each respectively be printed as
When as equipment or being capable of providing the other equipment of same detection environment and communicated, carried out with the equipment in these consumable chips
The static state for the consumable chip not communicated with the equipment in the dynamic current of the consumable chip of communication and these consumable chips
The sum of electric current.
The power characteristic of these consumable chips to be detected, including in these consumable chips each respectively be printed as
When as equipment or being capable of providing the other equipment of same detection environment and communicated, in these multiple consumable chips with the equipment
The consumable chip not communicated with the equipment in the dynamic power of the consumable chip communicated and these consumable chips
The sum of static power.
The capacitance characteristic of these consumable chips to be detected includes when charging to each in these consumable chips
Charge characteristic and/or flash-over characteristic when electric discharge.
The above-mentioned feedback characteristics to preset instructions, including these consumable chips to be detected are respectively to the feedback of preset instructions
Duration characteristic, preset instructions, for example can be multiplying instruction or cryptographic algorithm instruction etc..
The detection device of the consumable chip of the present invention shown in fig. 5, also incorporated by reference to consumption of the invention shown in Fig. 1 to Fig. 4
The content of the detection method of material chip is understood.Those skilled in the art are it is understood that without prejudice to technical principle
Under the premise of, the partial analysis in the detection method of consumable chip of the invention shown in Fig. 1 to Fig. 4 and explanation are equally applicable
In the detection device of the consumable chip of the present invention shown in fig. 5.For example, the detection dress of the consumable chip of the present invention shown in fig. 5
Acquisition module 510 in setting, for example can be sample circuit shown in Fig. 2.
Need explanation and it is understandable be that the detection device of the consumable chip of the present invention shown in fig. 5 was included obtains
Modulus block 510 and judgment module 520 etc., either virtual function realizes module, can also be to be erected by physical entity
The hardware function come.Therefore, the chief component of the detection device of the consumable chip of the present invention shown in fig. 5, although
It is named with " module ", but is not limited to the mainly virtual functions module by software realization or is mainly realized by physical entity hard
Part function module, but according to the needs of application, contain various realization possibilities.
Using the embodiment of the present invention, call user's attention it can take precautions against that there are the consumable chips of consistent sex differernce in time.
The embodiment of the present invention judges the consistency of consumable chip performance by printing imaging device or other equipment, so as to
The image quality for ensureing printing imaging device avoids the associated components of damage printing imaging device, ensures printing imaging device
Stability and service life.
Those skilled in the art should be understood that each component part for the device that the above-mentioned embodiment of the present invention is provided,
And each step in method, they can be concentrated on a single computing device, or be distributed in multiple computing device institutes group
At network on.Optionally, they can be realized with the program code that computing device can perform.It is thus possible to which they are deposited
Storage be performed by computing device in the storage device, either they are fabricated to each integrated circuit modules or by it
In multiple modules or step be fabricated to single integrated circuit module to realize.In this way, the present invention is not limited to any specific
Hardware and software combine.
Although disclosed herein embodiment it is as above, the content only technical solution of the present invention for ease of understanding
And the embodiment used, it is not limited to the present invention.Technical staff in any fields of the present invention is not departing from this
Under the premise of the disclosed spirit and scope of invention, any modification and variation can be carried out in the form and details of implementation,
But the scope of patent protection of the present invention, still should be subject to the scope of the claims as defined in the appended claims.
Claims (10)
1. a kind of detection method of consumable chip, wherein this method includes：
Obtain the electrical characteristic of multiple consumable chips；
According to the electrical characteristic of the multiple consumable chip, consistency of the multiple consumable chip in the electrical characteristic is obtained
Testing result,
According to the consistency detection of default determining rule and the multiple consumable chip in the electrical characteristic as a result, determining institute
It states and whether there is fakement printing consumables in the corresponding printing consumables of multiple consumable chips,
Wherein, the electrical characteristic includes current characteristics, power characteristic, capacitance characteristic or the feedback characteristics to preset instructions.
2. according to the method described in claim 1, wherein, the default determining rule, including：
There are genuine piece printing consumables in the multiple corresponding printing consumables of consumable chip；Or
The electrical characteristic reference value of pre-set consumable chip.
3. according to the method described in claim 1, wherein：
In the current characteristics of the multiple consumable chip, including the multiple consumable chip each respectively be the multiple
When the equipment that consumable chip provides consistency detection environment is communicated, communicated with the equipment in the multiple consumable chip
The dynamic current of consumable chip, the consumable chip not communicated with the equipment in the multiple consumable chip quiescent current
Sum of the two；
In the power characteristic of the multiple consumable chip, including the multiple consumable chip each respectively be the multiple
When the equipment that consumable chip provides consistency detection environment is communicated, communicated with the equipment in the multiple consumable chip
The dynamic power of consumable chip, the consumable chip not communicated with the equipment in the multiple consumable chip static power
Sum of the two.
4. according to the method described in claim 1, wherein：
The capacitance characteristic of the multiple consumable chip includes filling when charging to each in the multiple consumable chip
Flash-over characteristic when electrical characteristics and/or electric discharge.
5. according to the method described in claim 1, wherein：
The feedback characteristics to preset instructions includes the multiple consumable chip respectively to the feedback duration of the preset instructions
Characteristic.
6. a kind of detection device of consumable chip, wherein the device includes：
Acquisition module is set as obtaining the electrical characteristic of multiple consumable chips；
Judgment module is set as the electrical characteristic according to the multiple consumable chip, obtains the multiple consumable chip in the electricity
Consistency detection in gas characteristic is as a result, according to default determining rule and the multiple consumable chip in the electrical characteristic
Consistency detection whether there is fakement printing consumables as a result, determining in the multiple corresponding printing consumables of consumable chip；
Wherein, the electrical characteristic includes current characteristics, power characteristic, capacitance characteristic or the feedback characteristics to preset instructions.
7. device according to claim 6, wherein the default determining rule, including：
There are genuine piece printing consumables in the multiple corresponding printing consumables of consumable chip；Or
The electrical characteristic reference value of pre-set consumable chip.
8. device according to claim 6, wherein：
In the current characteristics of the multiple consumable chip, including the multiple consumable chip each respectively be the multiple
When the equipment that consumable chip provides consistency detection environment is communicated, communicated with the equipment in the multiple consumable chip
The dynamic current of consumable chip, the consumable chip not communicated with the equipment in the multiple consumable chip quiescent current
Sum of the two；
In the power characteristic of the multiple consumable chip, including the multiple consumable chip each respectively be the multiple
When the equipment that consumable chip provides consistency detection environment is communicated, communicated with the equipment in the multiple consumable chip
The dynamic power of consumable chip, the consumable chip not communicated with the equipment in the multiple consumable chip static power
Sum of the two.
9. device according to claim 6, wherein：
The capacitance characteristic of the multiple consumable chip includes filling when charging to each in the multiple consumable chip
Flash-over characteristic when electrical characteristics and/or electric discharge.
10. device according to claim 6, wherein：
The feedback characteristics to preset instructions includes the multiple consumable chip respectively to the feedback duration of the preset instructions
Characteristic.
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| CN109237710B (en) * | 2018-09-12 | 2020-12-01 | 中枢国控（北京）医疗科技有限公司 | Anti-counterfeiting consumable management system and air purification system |
| CN110001210B (en) * | 2018-10-16 | 2020-02-18 | 珠海艾派克微电子有限公司 | Consumable chip, consumable, and image forming system |
| CN114994513A (en) * | 2022-07-01 | 2022-09-02 | 浙江地芯引力科技有限公司 | Chip detection method, device, equipment and storage medium |
| CN115047320A (en) * | 2022-07-01 | 2022-09-13 | 浙江地芯引力科技有限公司 | Chip detection method, device, equipment and storage medium |
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