CN104340710A - Slice medium moving state detection method and device and medium treatment device - Google Patents
Slice medium moving state detection method and device and medium treatment device Download PDFInfo
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- CN104340710A CN104340710A CN201310320308.XA CN201310320308A CN104340710A CN 104340710 A CN104340710 A CN 104340710A CN 201310320308 A CN201310320308 A CN 201310320308A CN 104340710 A CN104340710 A CN 104340710A
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Abstract
The invention discloses a slice medium moving state detection method and device and a medium treatment device. The slice medium moving state detection method is used for detecting the moving state of a slice medium in a conveying channel of the slice medium treatment device and includes the steps: detecting the moving speed of the slice medium in the conveying channel of the slice medium treatment device; judging the moving state of the slice medium according to the moving speed of the slice medium in the conveying channel of the slice medium treatment device. By the method, sensitivity of detecting the moving state of the slice medium is improved.
Description
Technical field
The present invention relates to media processes field, in particular to a kind of flaky medium motion state detection method and apparatus and media processing device.
Background technology
Flaky medium treatment facility, as chopping machine, scanner, duplicator, magnetic read-write equipment etc., include driver element, drive unit drives medium moves in transfer passage, when driver element by medium transport to media processes unit time, media processes unit prints medium, scan or the process such as magnetic read-write, and then drive unit drives medium leaves transfer passage.
When occurring in media processes process that medium transport is abnormal, not only can affect the normal process of medium, and the damage of media processing device parts may be caused, such as, when in medium transport process, user gets lodged in transfer passage outlet, when stoping medium to export, medium jam will be caused, cause media processing device cannot continue to perform media processes; For another example, when in medium transport process, if user pulls processed medium, will easily cause medium deflection, cause media processes results abnormity, such as cause printing or deflection appears in the image of scanning, or cause magnetic to read and write unsuccessfully etc.
The patent No. is the detecting device that Japanese patent discloses log sheet state of kinematic motion in a kind of chopping machine and the method for inspection of JPH10245140 (A), as shown in Figure 1, drive motor 3 is in transmission connection by gear 4 and driven roller 5, driven roller 5 and driven roller 6 are oppositely arranged, continuous paper 8 transmits from passing therebetween and being driven by the two, code-disc 2 and gear 4, driven roller 5 is coaxially installed, opto-electronic pickup 1 and code-disc 2 are oppositely arranged, the impulse singla exported by detecting opto-electronic pickup 1 can detect the velocity of rotation of code-disc 2, also be the velocity of rotation of driven roller 5, by by detect the velocity of rotation of driven roller 5 and default velocity of rotation contrast, judge the state of kinematic motion of continuous paper 8, such as, when the velocity of rotation of driven roller 5 is less than default velocity of rotation, judge continuous paper 8 jam, when the velocity of rotation of driven roller 5 is greater than default velocity of rotation, judge that continuous paper 8 is pulled.
In above-mentioned correlation technique, whether media processing device is abnormal thus infer that whether medium motion state is abnormal by the velocity of rotation that detects the driven roller of driver element, but, contriver finds, in media processing device, when medium motion abnormal state, this error state just can pass to driven roller after necessarily passing certain traverse time, cause the velocity of rotation of driven roller abnormal, therefore, when medium motion abnormal state, adopt above-mentioned correlation technique the exception of driven roller velocity of rotation can not be detected in time, namely there is the low problem of detection sensitivity in correlation technique.Like this, when medium motion abnormal state, media processing device can not respond the abnormal motion state of medium in time.
For problem low to the sensitivity of flaky medium motion state detection in correlation technique, not yet actv. solution is proposed at present.
Summary of the invention
Main purpose of the present invention is to provide a kind of flaky medium motion state detection method and apparatus and media processing device, to solve problem low to the sensitivity of flaky medium motion state detection in correlation technique.
To achieve these goals, according to an aspect of the present invention, a kind of flaky medium motion state detection method is provided.The method is used for detecting the state of kinematic motion of flaky medium in the transfer passage of flaky medium treatment facility, and the method comprises: detect the kinematic velocity of flaky medium in the transfer passage of flaky medium treatment facility; The state of kinematic motion of flaky medium is judged according to the kinematic velocity of the flaky medium detected in the transfer passage of flaky medium treatment facility.
Further, judge that the state of kinematic motion of flaky medium comprises according to the kinematic velocity of the flaky medium detected in the transfer passage of flaky medium treatment facility: the kinematic velocity of the flaky medium detected and the first pre-set velocity and/or the second pre-set velocity are contrasted, obtain comparing result, wherein, first pre-set velocity is for judging whether flaky medium is in by pulling state, second pre-set velocity is for judging whether flaky medium is in jam state, and the first pre-set velocity is greater than the second pre-set velocity; The state of kinematic motion of flaky medium is judged according to comparing result, wherein, when the kinematic velocity of the flaky medium detected is greater than the first pre-set velocity, determine that flaky medium is in by pulling state, when the kinematic velocity of the flaky medium detected is less than the second pre-set velocity, determine that flaky medium is in jam state.
Further, detect the kinematic velocity of flaky medium in the transfer passage of flaky medium treatment facility to comprise: detect the displacement of flaky medium in the transfer passage of flaky medium treatment facility in Preset Time; The kinematic velocity of flaky medium in the transfer passage of flaky medium treatment facility is calculated according to displacement and Preset Time.
Further, detect the displacement of flaky medium in the transfer passage of flaky medium treatment facility in Preset Time to comprise: carry out image acquisition to flaky medium, obtain the optical image of flaky medium; Optical image is converted into matrix electric signal; Treatment Analysis is carried out to matrix electric signal, calculates the displacement of flaky medium in the transfer passage of flaky medium treatment facility in Preset Time.
Further, detect the kinematic velocity of flaky medium in the transfer passage of flaky medium treatment facility to comprise: the momentary velocity detecting flaky medium.
To achieve these goals, according to a further aspect in the invention, a kind of flaky medium motion state detection device is provided.This device is used for detecting the state of kinematic motion of flaky medium in the transfer passage of flaky medium treatment facility, and this device comprises: testing agency, for detecting the kinematic parameter of flaky medium in the transfer passage of flaky medium treatment facility; And control unit, be connected with testing agency, for obtaining the kinematic velocity of flaky medium in the transfer passage of flaky medium treatment facility according to the kinematic parameter detected, and judge the state of kinematic motion of flaky medium according to the kinematic velocity of flaky medium in the transfer passage of flaky medium treatment facility.
Further, this kinematic parameter can be the displacement of flaky medium in the transfer passage of flaky medium treatment facility, also can be the kinematic velocity of flaky medium in the transfer passage of flaky medium treatment facility, if displacement, control unit needs according to the kinematic velocity of displacement calculation flaky medium in the transfer passage of flaky medium treatment facility, if kinematic velocity, then control unit directly can obtain the kinematic velocity of flaky medium in the transfer passage of flaky medium treatment facility.
Further, control unit is used for judging the state of kinematic motion of flaky medium in the following ways according to the kinematic velocity of flaky medium: the kinematic velocity of flaky medium and the first pre-set velocity and/or the second pre-set velocity are contrasted, obtain comparing result, wherein, first pre-set velocity is for judging whether flaky medium is in by pulling state, second pre-set velocity is for judging whether flaky medium is in jam state, and the first pre-set velocity is greater than the second pre-set velocity; The state of kinematic motion of flaky medium is judged according to comparing result, wherein, when the kinematic velocity of flaky medium is greater than the first pre-set velocity, determine that flaky medium is in by pulling state, when the kinematic velocity of flaky medium is less than the second pre-set velocity, determine that flaky medium is in jam state.
Further, testing agency comprises: dielectric displacement detecting unit, for detecting the displacement of flaky medium in the transfer passage of flaky medium treatment facility in Preset Time; The displacement that control unit detects for reading dielectric displacement detecting unit, calculates the kinematic velocity of flaky medium in the transfer passage of flaky medium treatment facility according to the displacement read and Preset Time.
Further, dielectric displacement detecting unit is used for detecting the displacement of flaky medium in the transfer passage of flaky medium treatment facility in Preset Time in the following ways: carry out image acquisition to flaky medium, obtain the optical image of flaky medium; Optical image is converted into matrix electric signal; Treatment Analysis is carried out to matrix electric signal, calculates the displacement of flaky medium in the transfer passage of flaky medium treatment facility in Preset Time.
Further, the kinematic parameter that control unit is used for detecting according to testing agency obtains the momentary velocity of flaky medium.
To achieve these goals, according to a further aspect in the invention, a kind of flaky medium treatment facility is provided.This flaky medium treatment facility comprises flaky medium motion state detection device provided by the invention.
By the present invention, solve the problem low to the sensitivity of flaky medium motion state detection, improve the sensitivity to flaky medium motion state detection.
Accompanying drawing explanation
The accompanying drawing forming a application's part is used to provide a further understanding of the present invention, and schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the schematic diagram of a kind of medium motion condition checkout gear of prior art;
Fig. 2 is the module composition schematic diagram of flaky medium treatment facility according to an embodiment of the invention;
Fig. 3 is the structure composition schematic diagram of dielectric displacement detecting unit according to an embodiment of the invention;
Fig. 4 A is the schematic diagram of the image that imageing sensor collected in the T=t0 moment in medium motion process according to an embodiment of the invention;
Fig. 4 B is the schematic diagram of the image that imageing sensor collected in the T=t1 moment in medium motion process according to an embodiment of the invention;
Fig. 5 is the structure composition schematic diagram of flaky medium treatment facility according to an embodiment of the invention;
Fig. 6 is the diagram of circuit of flaky medium motion state detection method according to an embodiment of the invention;
Fig. 7 is the diagram of circuit of flaky medium motion state detection method according to another embodiment of the present invention;
Fig. 8 A is the schematic diagram that the x coordinate direction of optics sensor chip is according to an embodiment of the invention identical with medium transport direction;
Fig. 8 B is the schematic diagram that two coordinate directions of optics sensor chip are according to an embodiment of the invention all not identical with medium transport direction; And
Fig. 9 is the diagram of circuit of the flaky medium motion state detection method according to further embodiment of this invention.
Detailed description of the invention
It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.Below with reference to the accompanying drawings and describe the present invention in detail in conjunction with the embodiments.
Fig. 2 is the module composition schematic diagram of flaky medium treatment facility according to an embodiment of the invention, and as shown in the figure, media processing device 100 comprises control unit 11, communication unit 12, memory cell 13, driver element 14 and dielectric displacement detecting unit 15.Wherein,
Control unit 11 is for controlling each module execution work, and such as, control unit 11 controls communication unit 12 and performs data transmission between media processing device 100 with main frame (Personal Computer as being connected with media processing device); Control unit 11 controls driver element 14 driving medium and moves in transfer passage; The displacement of control unit 11 control agent displacement detecting unit 15 pairs of medium movements detects etc.
Communication unit 12, perform the data transmission between media processing device 100 and main frame, such as, the control command that communication unit 12 Receiving Host sends, communication unit 12 returns the state of kinematic motion etc. of medium to main frame, wherein, the state of kinematic motion of medium comprises that medium normally runs, medium jam, medium are pulled.
Memory cell 13, for the control program of storage medium treatment facility 100, and the data needed in control program operational process and variable, such as, the displacement of the medium that memory cell 13 exports for storage medium displacement detecting unit 15, memory cell 13 for storing the first pre-set velocity V1, the second pre-set velocity V2, wherein, first pre-set velocity V1 is for judging whether medium is in by pulling state, and the second pre-set velocity V2 is for judging whether medium is in jam state.
Driver element 14, moves in transfer passage for driving medium.Driver element 14 comprises motor driver 141, motor 142 and feed roller assembly 143, wherein, the pulse control signal of motor driver 141 for providing according to control unit 11, electric current required for the output shaft rotation of output motor 142, the output shaft of motor 142 is in transmission connection with the feed roller assembly 143 being arranged in transfer passage, when the output shaft rotation of motor 142, feed roller assembly 143 rotates thereupon, thus driving medium moves in transfer passage.
Dielectric displacement detecting unit 15, for detecting and the displacement produced in output medium moving process, dielectric displacement detecting unit 15 is the detecting device that can detect the two-dimension displacement of medium when a move in plane, and in the present embodiment, dielectric displacement detecting unit 15 is optical mouse sensor.Fig. 3 is the structure composition schematic diagram of dielectric displacement detecting unit according to an embodiment of the invention, and as shown in the figure, dielectric displacement detecting unit 15 comprises light source 151, first lens 152, second lens 153 and optics sensor chip 154.Wherein, light source 151 is for providing illuminating source, the light L1 that light source 151 sends converges through the first lens 152 surface being radiated at detected medium P after conduction, second lens 153 and optics sensor chip 154 are positioned at the top that medium P is illuminated region, medium P carries out diffuser reflection to light L1 and produces reflected light rays L2, second lens 153 are imaging len, after reflected light rays L2 arrives the second lens 153, medium P is illuminated region in the second lens 153 imaging, the side towards the second lens 153 of optics sensor chip 154 is provided with transparent window H on the surface, reflected light rays L2 is inner through entering into optics sensor chip 154 by transparent window H after the second lens 153.
Optics sensor chip 154 includes inner integrated imageing sensor (Image Sensor) 1541, digital signal processor (Digital Signal Processor, referred to as DSP) 1542 and register 1543, imageing sensor 1541 receives the reflected light rays L2 through transparent window H, and the optical image of medium P on the second lens 153 is gathered at interval of Preset Time, and be translated into matrix electric signal, the matrix electric signal that digital signal processor 1542 pairs of imageing sensors 1541 export carries out Treatment Analysis, calculate the detected displacement of medium P in adjacent twice image acquisition process of imageing sensor 1541, register 1543 is for the displacement of the adjacent twice output procedure medium P of storage medium displacement detecting unit 15, after digital signal processor 1542 calculates the displacement of the medium P in adjacent twice image acquisition process of imageing sensor 1541 at every turn, this displacement is added on the displacement stored in register 1543, and upgrade register 1543 according to accumulation result, when control unit 11 pairs of dielectric displacement detecting units 15 perform read operation, the displacement stored in dielectric displacement detecting unit 15 output register 1543, and the displacement stored in register 1543 is reset.
Suppose that control unit 11 performs a read operation at interval of the first preset time T 1 pair of dielectric displacement detecting unit 15, imageing sensor 1541 at interval of the optical image of the second Preset Time △ t collection medium P, wherein, T1> △ t.The image that Fig. 4 A collects in the T=t0 moment for imageing sensor 1541, the image that Fig. 4 B collects in the T=t1 moment for imageing sensor 1541, wherein, t1=t0+ △ t, namely Fig. 4 B for imageing sensor 1541 gather image shown in Fig. 4 A after the lower piece image that gathers, digital signal processor 1542 adopts each collection point of mode record of xy rectangular coordinate system to gather the position in image at view picture, as shown in the figure, in the t0 moment, the coordinate that tested pilot D gathers in image at view picture is (3, 8), in the t1 moment, the coordinate that tested pilot D gathers in image at view picture is (10, 6), then within a collection period △ t time, the coordinate offset amount that tested pilot D gathers in image at view picture is Δ x=7, Δ y=-2, therefore, in the second Preset Time △ t that digital signal processor 1542 calculates gained, the displacement of medium is (7,-2), this displacement is added on the displacement that stores in register 1543 by digital signal processor 1542.If the first preset time T 1 and the second Preset Time are meet T1=n* △ t between △ t, then in the first preset time T 1, imageing sensor 1541 performs n image acquisition altogether, if the displacement that after the 1st time to n-th time image acquisition, digital processor 1542 calculates the medium of gained is respectively (Δ x1, Δ y1), (Δ x2, Δ y2), (Δ x3, Δ y3) ... (Δ xn, Δ yn), displacement (the Δ X then stored in n-th image acquisition late register 1543, Δ Y) be respectively Δ X=Δ x1+ Δ x2+ Δ x3+ in the value of two coordinate directions ... + Δ xn, Δ Y=Δ y1+ Δ y2+ Δ y3+ ... + Δ yn, dielectric displacement detecting unit output shift quantity (Δ X when control unit 11 pairs of dielectric displacement detecting units 15 perform read operation, Δ Y).
Further, media processing device 100 also comprises media processes unit 16, and for processing medium, media processes unit 16 can be one or more in print unit, scanning element or magnetic head unit.Such as, when media processing device 100 is chopping machine, media processes unit 16 is print unit, for forming default word or image at dielectric surface; When media processing device 100 is scanner, media processes unit 16 is scanning element, for obtaining dielectric image.
Further, media processing device 100 also comprises indicating member 17, for carrying out the information instruction of various medium motion state in the mode such as light, sound according to the requirement of control unit 11, such as, carry out that medium normally runs, medium jam, medium be by the instruction of states such as pulling, indicating member 17 can be indicator lamp, LCDs, buzzer phone and voice device etc., when indicating member 17 is indicator lamp, indicates medium motion state by arranging the modes such as indicator lamp flicker frequency, color; When indicating member 17 is LCDs, by text importing instruction medium motion state; When indicating member 17 is buzzer phone, indicate medium motion state by arranging the modes such as buzzer call frequency, number of times; When indicating member 17 is voice device, by voice message instruction medium motion state.
In the flaky medium treatment facility of this embodiment, dielectric displacement detecting unit 15 is adopted to detect the displacement produced in medium moving process as testing agency, control unit 11 is based on the kinematic velocity of this displacement calculation flaky medium, it should be noted that, this embodiment describes as just citing, in the flaky medium treatment facility or flaky medium motion state detection device of the embodiment of the present invention, also the testing agency can detecting medium moving velocity can be adopted, like this, testing agency is after kinematic velocity flaky medium being detected, control unit can without the need to calculating the kinematic velocity of flaky medium again, the state of kinematic motion of flaky medium is directly judged according to the kinematic velocity of flaky medium.
The embodiment of the present invention additionally provides a kind of flaky medium motion state detection device, and this flaky medium motion state detection device forms for the part of the state of kinematic motion judging flaky medium by flaky medium treatment facility.
Fig. 5 is the structure composition schematic diagram of flaky medium treatment facility according to an embodiment of the invention, as shown in the figure, medium P carries under the driving of the driven roller assembly 143 of driver element 14 in transfer passage T, along medium transport direction, media processes unit 16, dielectric displacement detecting unit 15 is successively set in the transfer passage T of medium P, wherein, media processes unit 16 can be print unit, one or more in scanning element or magnetic head unit, in the present embodiment, media processes unit 16 is thermal printer unit, comprise the printhead 161 and printing rubber roller 162 that are oppositely arranged, during printing, medium P is from passing therebetween.Dielectric displacement detecting unit 15 is arranged on the downstream of media processes unit 16, for detecting the displacement of medium P in Preset Time.
It should be noted that, the installation site of medium displacement detecting unit 15 in transfer passage of the present invention is not restricted to the described embodiments, and in fact, dielectric displacement detecting unit 15 can be arranged on the optional position of transfer passage.In order to detect the state of medium in the outlet of flaky medium treatment facility, preferably, dielectric displacement detecting unit 15 is positioned at the exit of flaky medium treatment facility.
The embodiment of the present invention additionally provides a kind of flaky medium motion state detection method, this flaky medium motion state detection method is used for detecting the state of kinematic motion of flaky medium in the transfer passage of flaky medium treatment facility, and this flaky medium treatment facility can for the flaky medium treatment facility provided in the embodiment of the present invention.The flaky medium treatment facility that the flaky medium motion state detection method of the embodiment of the present invention also can be provided by the embodiment of the present invention performs.Be described below in conjunction with the medium motion condition detection method of this diagram of circuit to the present embodiment.
Fig. 6 is the diagram of circuit of flaky medium motion state detection method according to an embodiment of the invention.As shown in Figure 6, the method comprises the following steps:
Step 101, detects the kinematic velocity of flaky medium in the transfer passage of flaky medium treatment facility.
The kinematic velocity of flaky medium in the transfer passage of flaky medium treatment facility is obtained by detecting the kinematic parameter of flaky medium in the transfer passage of flaky medium treatment facility, this kinematic parameter can be displacement, also can be kinematic velocity, if kinematic velocity, the kinematic velocity of flaky medium in the transfer passage of flaky medium treatment facility can be obtained by direct-detection, if displacement, also need to obtain the kinematic velocity of flaky medium in the transfer passage of flaky medium treatment facility by displacement and Time Calculation.
When detecting the kinematic velocity of flaky medium in the transfer passage of flaky medium treatment facility, testing agency is adopted to detect the kinematic parameter of flaky medium in the transfer passage of flaky medium treatment facility, such as, the kinematic velocity of special testing agency to flaky medium can be adopted to detect, also can be that the dielectric displacement detecting unit 15 adopting the flaky medium treatment facility of above-described embodiment to mention first detects the displacement produced in medium moving process as testing agency, then control unit 11 is based on the kinematic velocity of this displacement calculation flaky medium.If adopt the testing agency of special detection medium motion speed, then calculate the kinematic velocity of flaky medium again without the need to control unit 11.
Step 102, judges the state of kinematic motion of flaky medium according to the kinematic velocity of the flaky medium detected in the transfer passage of flaky medium treatment facility.
Different kinematic velocitys can be set interval, the interval corresponding different state of kinematic motion of different kinematic velocitys, after obtaining the kinematic velocity of flaky medium in the transfer passage of flaky medium treatment facility, the interval residing for kinematic velocity obtained can be judged, and then judge the state of kinematic motion of flaky medium.
Preferably, in order to judge easily, the kinematic velocity of the flaky medium detected and pre-set velocity can be carried out the state of kinematic motion contrasting to judge flaky medium easily.Further preferably, this pre-set velocity comprises the first pre-set velocity and/or the second pre-set velocity, wherein, first pre-set velocity is for judging whether flaky medium is in by pulling state, second pre-set velocity is for judging whether flaky medium is in jam state, and the first pre-set velocity is greater than the second pre-set velocity.After the kinematic velocity of the flaky medium detected and pre-set velocity being contrasted, obtain comparing result, then judge the state of kinematic motion of flaky medium according to comparing result.
If the kinematic velocity of the flaky medium detected and the first pre-set velocity contrasted, when the kinematic velocity of the flaky medium detected is greater than the first pre-set velocity, then determine that flaky medium is in by pulling state.
If the kinematic velocity of the flaky medium detected and the second pre-set velocity contrasted, then when the kinematic velocity of the flaky medium detected is less than the second pre-set velocity, determine that flaky medium is in jam state.
In the flaky medium motion state detection method of the embodiment of the present invention, owing to detecting the actual motion speed of medium along throughput direction, and the actual motion speed of medium can reflect the change of medium motion state directly, timely, and then can respond the abnormal motion state of medium in time, improve the sensitivity to flaky medium motion state detection.
Fig. 7 is the diagram of circuit of medium motion condition detection method according to another embodiment of the present invention, the method of inspection of this embodiment can as a kind of preferred implementation embodiment illustrated in fig. 6, in rational scope, technical characteristic wherein can combine arbitrarily, is described below in conjunction with the medium motion condition detection method of this diagram of circuit to the present embodiment.
Step S201, initialization of media displacement detecting unit also starts the first timing
Control unit performs read operation to dielectric displacement detecting unit, and reset with the displacement of the medium stored in the register of the optics sensor chip by dielectric displacement detecting unit, meanwhile, control unit starts the first timing.
Step S202, when the first timing arrives the first preset time T 1, reads dielectric displacement amount from dielectric displacement detecting unit
When the first timing arrives the first preset time T 1, control unit performs read operation to dielectric displacement detecting unit, displacement (the Δ X of medium in the first preset time T 1 that dielectric displacement detecting unit will store in the register of optics sensor chip, Δ Y) export control unit to, meanwhile, the displacement of the medium stored in register is reset.
Step S203, according to the dielectric displacement amount calculation medium actual motion speed read
First, control unit is according to displacement (the Δ X of the medium read from dielectric displacement detecting unit, Δ Y) calculation medium in the first preset time T 1 along the displacement of throughput direction, medium is relevant with the setting angle of the optics sensor chip of dielectric displacement detecting unit along the method for calculating of the displacement of throughput direction, when a certain coordinate direction of optics sensor chip is identical with medium transport direction, then in the first preset time T 1, medium is the displacement of medium along throughput direction in the side-play amount of this coordinate direction, such as, as shown in Figure 8 A, when the x coordinate direction of optics sensor chip is identical with medium transport direction A, then in the first preset time T 1, medium is the offset Δ X of medium at x coordinate direction along the displacement L of throughput direction, i.e. Δ L=Δ X, as shown in Figure 8 B, when two coordinate directions of optics sensor chip are all not identical with medium transport direction, then in the first preset time T 1, medium will calculate in the side-play amount of two coordinate directions according to medium in this time period along the displacement of throughput direction, as shown in Figure 8 B, angle between the x coordinate direction of optics sensor chip and medium transport direction A is α, wherein, 0 ° of < α <90 °, then in the first preset time T 1, medium along the displacement L of throughput direction is
Control unit according to medium along the displacement L of throughput direction and the first preset time T 1 can calculation medium in the first preset time T 1 along the average velociity V of throughput direction, V=Δ L/T1.Preferably, it is less that the value of the first preset time T 1 is arranged, and such as, T1=4ms, therefore, the medium calculating gained can be considered the momentary velocity of medium any instant within this time period in the first preset time T 1 along the average velociity V of throughput direction.
Step S204, according to medium actual motion velocity estimated medium motion state
Medium actual motion speed V and pre-set velocity contrast by control unit, medium motion state is judged according to comparing result, such as, when medium actual motion speed V is greater than the first pre-set velocity V1, control unit judges that medium is in by pulling state, when medium actual motion speed V is less than the second pre-set velocity V2, control unit judges that medium is in jam state.
The embodiment of the present invention is by the actual motion speed of calculation medium along throughput direction, and this actual motion speed and pre-set velocity are carried out contrast judge medium motion state, therefore, media processing device can judge the change of medium motion state directly, in time, thus can respond the abnormal motion state of medium in time.By control method provided by the invention, solve the problem that the sensitivity of prior art medium treatment facility to medium motion state-detection is low.
Fig. 9 is the diagram of circuit of the medium motion condition detection method according to further embodiment of this invention, the method of inspection of this embodiment can as a kind of preferred implementation embodiment illustrated in fig. 6, in rational scope, technical characteristic wherein can combine arbitrarily, is described below in conjunction with the medium processing method of this diagram of circuit to the present embodiment.
Step S301, initialization
When media processing device powers on, control unit carries out initialization to media processing device, such as, control unit carries out initialization to variable required in program operation process, control unit controls to carry out initialization etc. to dielectric displacement detecting unit, wherein, control unit carries out initialization to dielectric displacement detecting unit and comprises the work of startup dielectric displacement detecting unit, read operation etc. is performed to dielectric displacement detecting unit, move because now control unit not yet controls drive unit drives medium, medium remains static, therefore, in dielectric displacement detecting unit optics sensor chip imageing sensor multi collect to the optical image of medium be same piece image, so, after control unit performs read operation to dielectric displacement detecting unit, the displacement of the medium that dielectric displacement detecting unit exports is (0, 0), and the displacement stored in the register of the optics sensor chip of dielectric displacement detecting unit is cleared.
Step S302, when receiving the control command of media processes, controlling drive unit drives medium and moves and start the first timing
When communication unit receives the control command of the media processes that main frame sends, control unit controls drive unit drives medium and moves in transfer passage, and meanwhile, control unit starts the first timing.Wherein, driving medium movement in transfer passage can be sky paper feed process, also can be that medium in media processes process moves, such as, it can be that medium in print procedure moves that driving medium moves, also can be that medium in image scanning process moves, can also be that the medium in magnetic read-write process moves.
Step S303, when the first timing arrives the first preset time T 1, reads dielectric displacement amount from dielectric displacement detecting unit
This step is with step S202.
Step S304, according to the dielectric displacement amount calculation medium actual motion speed read
This step is with step S203.
Step S305, judges whether medium actual motion speed is greater than the first pre-set velocity V1
Judge whether medium actual motion speed V is greater than the first pre-set velocity V1, if so, show that medium is in by pulling state, perform step S308, otherwise, perform step S306.
Step S306, judges whether medium actual motion speed is less than the second pre-set velocity V2
Judge whether medium actual motion speed V is less than the second pre-set velocity V2, if so, show that medium occurs is in jam state, performs step S309, otherwise, perform step S307.
Step S307, the first timing resets
First timing resets by control unit, to make the first time in timing, again performs step S303, again to perform medium actual motion velocity measuring next time.
Step S308, carries out medium and is pulled abnormal state process
Control unit control agent treatment facility carries out medium and is in by the process pulling error state, such as, control unit controls driver element and media processes unit quits work, control unit control communication unit returns medium to main frame and is in by pulling error state, and control unit controls indicating member instruction medium and is in by pulling error state etc.
Step S309, carries out the process of medium jam abnormal state
Control unit control agent treatment facility carries out the process that medium is in jam error state, such as, control unit controls driver element and media processes unit quits work, control unit control communication unit returns medium to main frame and is in jam error state, and control unit controls indicating member instruction medium and is in jam error state etc.
The embodiment of the present invention continues by the actual motion velocity interpolation continuing to detect medium the state of kinematic motion detecting medium, and when medium motion abnormal state, notify that user carries out misarrangement process in time, thus avoid the media processing device caused because of medium motion abnormal state normally cannot carry out media processes or the impaired problem of media processing device in time.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (11)
1. a flaky medium motion state detection method, for detecting the state of kinematic motion of flaky medium in the transfer passage of flaky medium treatment facility, is characterized in that, comprise:
Detect the kinematic velocity of described flaky medium in the transfer passage of described flaky medium treatment facility; And
The state of kinematic motion of described flaky medium is judged according to the kinematic velocity of the described flaky medium detected in the transfer passage of described flaky medium treatment facility.
2. flaky medium motion state detection method according to claim 1, it is characterized in that, judge that the state of kinematic motion of described flaky medium comprises according to the kinematic velocity of the described flaky medium detected in the transfer passage of described flaky medium treatment facility:
The kinematic velocity of the described flaky medium detected and the first pre-set velocity and/or the second pre-set velocity are contrasted, obtain comparing result, wherein, described first pre-set velocity is for judging whether described flaky medium is in by pulling state, described second pre-set velocity is for judging whether described flaky medium is in jam state, and described first pre-set velocity is greater than described second pre-set velocity; And
The state of kinematic motion of described flaky medium is judged according to described comparing result, wherein, when the kinematic velocity of the described flaky medium detected is greater than described first pre-set velocity, determine that described flaky medium is in by pulling state, when the kinematic velocity of the described flaky medium detected is less than described second pre-set velocity, determine that described flaky medium is in jam state.
3. flaky medium motion state detection method according to claim 1, is characterized in that, detects the kinematic velocity of described flaky medium in the transfer passage of described flaky medium treatment facility and comprises:
Detect the displacement of described flaky medium in the transfer passage of described flaky medium treatment facility in Preset Time;
The kinematic velocity of described flaky medium in the transfer passage of described flaky medium treatment facility is calculated according to described displacement and described Preset Time.
4. flaky medium motion state detection method according to claim 3, is characterized in that, detects the displacement of described flaky medium in the transfer passage of described flaky medium treatment facility in Preset Time and comprises:
Image acquisition is carried out to described flaky medium, obtains the optical image of described flaky medium;
Described optical image is converted into matrix electric signal;
Treatment Analysis is carried out to described matrix electric signal, calculates the displacement of described flaky medium in the transfer passage of described flaky medium treatment facility in described Preset Time.
5. flaky medium motion state detection method according to claim 1, is characterized in that, detects the kinematic velocity of described flaky medium in the transfer passage of described flaky medium treatment facility and comprises:
Detect the momentary velocity of described flaky medium.
6. a flaky medium motion state detection device, for detecting the state of kinematic motion of flaky medium in the transfer passage of flaky medium treatment facility, is characterized in that, comprise:
Testing agency, for detecting the kinematic parameter of described flaky medium in the transfer passage of described flaky medium treatment facility; And
Control unit (11), be connected with described testing agency, kinematic parameter for detecting according to described testing agency obtains the kinematic velocity of described flaky medium in the transfer passage of described flaky medium treatment facility, and judges the state of kinematic motion of described flaky medium according to the kinematic velocity of described flaky medium in the transfer passage of described flaky medium treatment facility.
7. flaky medium motion state detection device according to claim 6, it is characterized in that, described control unit (11) is for judging the state of kinematic motion of described flaky medium in the following ways according to the kinematic velocity of described flaky medium in the transfer passage of described flaky medium treatment facility:
The kinematic velocity of described flaky medium and the first pre-set velocity and/or the second pre-set velocity are contrasted, obtain comparing result, wherein, described first pre-set velocity is for judging whether described flaky medium is in by pulling state, described second pre-set velocity is for judging whether described flaky medium is in jam state, and described first pre-set velocity is greater than described second pre-set velocity; And
The state of kinematic motion of described flaky medium is judged according to described comparing result, wherein, when the kinematic velocity of described flaky medium is greater than described first pre-set velocity, determine that described flaky medium is in by pulling state, when the kinematic velocity of described flaky medium is less than described second pre-set velocity, determine that described flaky medium is in jam state.
8. flaky medium motion state detection device according to claim 6, is characterized in that,
Described testing agency comprises: dielectric displacement detecting unit (15), for detecting the displacement of described flaky medium in the transfer passage of described flaky medium treatment facility in Preset Time;
The displacement that described control unit (11) detects for reading described dielectric displacement detecting unit (15), calculates the kinematic velocity of described flaky medium in the transfer passage of described flaky medium treatment facility according to the displacement read and described Preset Time.
9. flaky medium motion state detection device according to claim 8, it is characterized in that, described dielectric displacement detecting unit (15) is for detecting the displacement of described flaky medium in the transfer passage of described flaky medium treatment facility in Preset Time in the following ways:
Image acquisition is carried out to described flaky medium, obtains the optical image of described flaky medium;
Described optical image is converted into matrix electric signal;
Treatment Analysis is carried out to described matrix electric signal, calculates the displacement of described flaky medium in the transfer passage of described flaky medium treatment facility in described Preset Time.
10. flaky medium motion state detection device according to claim 6, is characterized in that, described control unit (11) obtains the momentary velocity of described flaky medium for the kinematic parameter detected according to described testing agency.
11. 1 kinds of flaky medium treatment facilities, is characterized in that, comprise the flaky medium motion state detection device according to any one of claim 6 to 10.
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