CN100548845C - Threshold setting method and signal conditioning package - Google Patents
Threshold setting method and signal conditioning package Download PDFInfo
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- CN100548845C CN100548845C CNB2006100736881A CN200610073688A CN100548845C CN 100548845 C CN100548845 C CN 100548845C CN B2006100736881 A CNB2006100736881 A CN B2006100736881A CN 200610073688 A CN200610073688 A CN 200610073688A CN 100548845 C CN100548845 C CN 100548845C
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Abstract
A kind of threshold setting method and signal conditioning package.Corresponding to the individual difference of the sensor that signal conditioning package possessed, with the less time and set best threshold value reliably, the misoperation when preventing the inspection of signal conditioning package.The chopping machine (10) of checking object is connected with threshold setting device (20) and makes its startup.At this moment, judge whether the regulation zone of the flicker ROM (102) that is possessed at chopping machine (10) is set with initial threshold, when not setting initial threshold, enter the threshold setting pattern.In the threshold setting pattern, the black mark and the calculated threshold of detection reference paper, and store in the regulation zone of flicker ROM (102).
Description
Technical field
The present invention relates to detection signal signal conditioning package, that be used to make physical quantity that a kind of setting possessed the sensor that detects physical quantity and be transformed to two threshold setting method and the signal conditioning packages that advance the threshold value of value.
Background technology
In the past, known had in the conveyance path of coil paper, possesses the printhead that prints or cutter etc., the chopping machine that the coil paper printed after the data that main frame sends is cut off in position and exports.In above-mentioned chopping machine, determine with respect to the off-position of the print position of coil paper or be purpose for correct with the terminal of identification coil paper, detect the mark be formed on the black on the coil paper (below, be called black mark) by being configured in reflection-type photointerrupter on the conveyance path.
Reflection-type photointerrupter is made of the relative photo detector that comes luminous element such as luminous LED and receive by the phototransistor of the light of coil paper reflection etc. with coil paper.The output of reflection-type photointerrupter is converted to digital signal by A/D converter, and compares with pre-set threshold, and the position of the coil paper more than the threshold value is detected as black mark.
Need use the chopping machine setting threshold of reflection type optical electric transistor so that its value becomes optimum value to each.If do not having setting threshold or setting chopping machine when listing of inappropriate threshold value, can produce that the print position that can not detect black mark, coil paper exactly departs from or can not be, thereby bring a lot of inconvenience to the user in the misoperations such as position cut-out of regulation.
In the past, in fact the setting of threshold value made the chopping machine operation and made the sensor action, simultaneously by carrying out the setting of threshold value by the potential device adjustment that is used to threshold level is changed.But this method existence lacks the duplicability of setting, and sets the problem that operation needs to cause than the long time rising of manufacturing cost.Therefore in recent years, normally used method is, uses the threshold setting pattern for a part that is assembled in the firmware in the chopping machine in advance, comes setting threshold quantitatively by the operation of the setting button by the operator.
But, in above-mentioned method, with threshold value pattern starting chopping machine the time, need be implemented in after dispatching from the factory the complicated operations pattern that to implement by the terminal user, for example open the body of chopping machine, and under the state of pressing the paper feeding switch energized switch, in specific time, the paper feeding switch is pressed eight inferior complicated operations, miscellaneous in the extreme.In addition, if omit this program, then dispatch from the factory check in chopping machine can not regular event, in order to analyze the former of misoperation thereby to need a large amount of time.
Summary of the invention
The present invention is the invention of making in view of the above problems, its purpose is, provide a kind of can be according to the individual difference of the sensor that signal conditioning package possessed of chopping machine etc., and with the less time and set the threshold setting method and the signal conditioning package of best threshold value reliably.
The present invention reaches by following structure.
(1) a kind of threshold setting method at the signal conditioning package of the sensor that possesses the physical quantity that is used for detecting regulation, is set the detection signal that is used to make described physical quantity and is transformed to two threshold values of advancing value, it is characterized in that,
May further comprise the steps:
Corresponding to the power connection of described signal conditioning package, judge the step that in described signal conditioning package, whether is set with initial threshold;
Be judged as under the situation of not setting described initial threshold, entering the step of the threshold setting pattern of setting described initial threshold.
(2) according to (1) described threshold setting method, it is characterized in that,
Described threshold setting pattern may further comprise the steps:
Detection becomes the step of the described physical quantity of benchmark;
Set the step of described threshold value based on the detection signal of described physical quantity;
Threshold value after this setting is stored in the step in the zone of regulation of described signal conditioning package.
(3) according to (1) or (2) described threshold setting method, it is characterized in that,
Described threshold setting pattern is implemented in the inspection operation before the dispatching from the factory of described signal conditioning package.
(4) a kind of signal conditioning package,
Comprise:
Detect the sensor of the physical quantity of regulation;
Store the nonvolatile memory of described threshold value; With
Make the detection signal of described sensor be transformed to two signals that advance after the value based on threshold value, carry out the control part of predetermined process, it is characterized in that by regulation,
Described control part corresponding to power connection, is judged whether be set with initial threshold in described signal conditioning package, and is being judged as under the situation of not setting described initial threshold, enters the threshold setting pattern of setting described initial threshold.
(5) according to (4) described signal conditioning package, it is characterized in that,
Described sensor is to be used to detect the optical pickocff that is formed on the black mark on the coil paper.
(6) according to (5) described signal conditioning package, it is characterized in that,
Possess the cutting mechanism that cuts off described coil paper,
Based on making the detection signal of described sensor be transformed to two signals that advance after the value, control described cutting mechanism by being stored in described threshold value in the described nonvolatile memory.
According to the present invention, corresponding to the power connection of signal conditioning package, judge in signal conditioning package, whether to be set with initial threshold, and be judged as under the situation of not setting initial threshold, enter the threshold setting pattern of setting described initial threshold.Thereby, because individual difference corresponding to the sensor that signal conditioning package possessed, can be with the less time and set best threshold value reliably, the misoperation of the signal conditioning package in the time of therefore can preventing to check, and can save the required time of reason of analyzing misoperation.
In addition, according to the present invention, the threshold setting pattern may further comprise the steps: the step that detects the described physical quantity that becomes benchmark; Set the step of described threshold value based on the detection signal of described physical quantity; Threshold value after this setting is stored in the step in the zone of regulation of described signal conditioning package.Thereby, corresponding to the individual difference of the sensor that signal conditioning package possessed, can be with the less time and set best threshold value reliably, and store in the zone of regulation of signal conditioning package.Therefore, the misoperation of the signal conditioning package in the time of can preventing to check, and can save the required time of reason of analyzing misoperation.
In addition,, threshold value can be in nonvolatile memory, kept, for example, black mark can be correctly detected corresponding to the best of the individual difference of sensor according to the present invention.Thereby, the misoperation that the coil paper cutting position of the cutting mechanism in the time of can preventing the inspection of chopping machine is not just waiting.
Description of drawings
Fig. 1 is the block diagram of surface structure of the chopping machine of expression embodiments of the present invention;
Fig. 2 is the block diagram under the state of the top of the chopping machine of opening embodiment body;
Fig. 3 is near the section-drawing of the structure the black mark detecting sensor of coil paper of chopping machine of expression embodiment;
Fig. 4 is the block diagram of the simple structure of expression threshold setting device of embodiments of the present invention and chopping machine;
Fig. 5 is the diagram of circuit that is used to illustrate the threshold setting method of embodiments of the present invention;
Fig. 6 is the diagram of circuit of handler that is used to illustrate the threshold setting pattern of embodiments of the present invention;
Fig. 7 is the figure of threshold setting method that is used for illustrating the threshold setting device of embodiments of the present invention;
Fig. 8 is the figure of threshold setting method that is used for illustrating the chopping machine of embodiments of the present invention.
Nomenclature:
The 10-chopping machine,
20-threshold setting device,
21-deceives mark,
30-benchmark paper,
101-CPU，
The 102-ROM that glimmers,
The 108-cutter,
The 109-LED display lamp,
The 110-reflection-type photointerrupter.
The specific embodiment
Below, describe with reference to the embodiment of accompanying drawing threshold setting method of the present invention and signal conditioning package.In the present embodiment, as signal conditioning package, with chopping machine and threshold setting device is that example describes, wherein said chopping machine possesses and is used to detect the sensor that is formed on the black mark on the coil paper, and on coil paper, print the data that send from main frame, described threshold setting device is set the detection signal that is used to make black mark and is transformed to two threshold values of advancing value.
Fig. 1 is the block diagram of surface structure of the chopping machine of expression embodiments of the present invention, and Fig. 2 is the block diagram of the state of the expression top body of having opened chopping machine.In addition, Fig. 3 is near the section-drawing of the detailed structure of expression sensor that the black mark that is used to detect coil paper is installed.
As shown in Figure 1, chopping machine 10 constitutes by opening and closing the top body 11 forms freely and the bottom body 12 of accommodation device main body, by top body 11 is opened to top, can change coil paper and install the in-to-in maintenance.Coil paper is incorporated in being removed with paper resettlement section 13 of printer shown in Figure 2, and after printing by the pin mark printhead shown in Figure 3 107 that is installed on top body 11, cut into the length of regulation by not shown cutter, and be discharged from from the paper output 14 of top body 11.
In addition, in the front of bottom body 12, be provided with and be used to inform that chopping machine 10 has entered into the LED display lamp 109 of the situation of threshold setting pattern described later.
In Fig. 3, the conveyance path 15 of the coil paper that takes out from usefulness paper resettlement section 13, be provided with as the reflection-type photointerrupter 110 that is used to detect the sensor of the black mark on the back side that is formed on coil paper.Reflection-type photointerrupter 110 is by to the luminous element by the luminous LED of the coil paper in conveyance path 15 etc. with receive by the light of coil paper reflection and the photo detector that carries out the phototransistor etc. of opto-electronic conversion and constitute.
Fig. 4 be the expression present embodiment chopping machine simple structure and be used for the figure of the threshold setting device of setting threshold on chopping machine.
In Fig. 4, chopping machine 10 has: CPU101, flicker ROM102, RAM103, interface circuit 104, driving circuit 105, CD-ROM drive motor 106, printhead 107, cutter 108, LED display lamp 109, reflection-type photointerrupter 110 and A/D converter 111.
CPU101 is the control maincenter of chopping machine 10, according to the control program that is stored among the not shown ROM, from threshold setting device 20 input print datas and control signal and processing, controls the various piece of chopping machine 10 via interface circuit 104 simultaneously.Interface circuit 104 carries out the data between threshold setting device 20 and the chopping machine 10 or the reception of control signal.
Flicker ROM102 can carry out the nonvolatile memory that electricity is rewritten.Storage is used to control the firmware of chopping machine 10, the various control datas in the chopping machine 10 etc.Particularly in the present embodiment, the zone of the regulation in flicker ROM102 stores to be used to judge whether be formed with the threshold data of deceiving mark on the back side of coil paper.This threshold data in the inspection operation before product export, is set by the firmware in the flicker ROM102.For this point, as described later.
RAM103 is the volatile memory of temporarily storing data, for example, performance is as the function of the reception buffer that is used for temporarily storing the print data that sends from threshold setting device 20, or reads and store the various control datas that are written among the flicker ROM102.
A/D converter 111 is with the signal of expression by the black mark of reflection-type photointerrupter 110 detected coil papers, the circuit that is converted to digital signal and handles.Digital signal after being converted is used in the threshold decision among the CPU101.
Driving circuit 105 is to drive respectively: the driving circuit of CD-ROM drive motor 106, printhead 107, cutter 108 and LED display lamp 109.Driving circuit 105 bases come from the indication of CPU101, drive controlling respectively: CD-ROM drive motor 106, printhead 107, cutter 108 and LED display lamp 109.
CD-ROM drive motor 106, be used to control the carrying roller of coil paper and make its rotation, for example stepper motor.CD-ROM drive motor 106 is controlled the rotation amount of carrying roller corresponding to the impulse singla from driving circuit 105 outputs.Thus, control is by the paper feeding amount with paper of carrying roller paper feeding.
In addition, threshold setting device 20 is in the inspection operation of the factory before product export, can be connected with chopping machine with communicating, and the main frame of the threshold setting of the seal machine 10 of fighting each other.Threshold setting device 20 also can be constituted as other various settings of the chopping machine of checking in the operation 10 etc.
In the inspection operation before the product export of the chopping machine 10 of present embodiment, use threshold setting device 20 setting threshold data.Setting to this threshold data describes based on Fig. 5 and diagram of circuit shown in Figure 6.
Fig. 5 and Fig. 6 are the diagram of circuits of setting program that is used to illustrate the threshold value of present embodiment.
In Fig. 5, at first, chopping machine 10 is connected (step S11) with threshold setting device 20, energized (step S12).Then, chopping machine 10 is carrying out in the process of start up process based on being assembled into the firmware among the flicker ROM102, and chopping machine 10 judges in the regulation zone of flicker ROM102 whether be set with initial threshold (step S13).This is judged, is for example representing with octal digit under the situation of threshold data, if the value in the regulation zone of flicker ROM102 is that 16 scale codings for example are any one of 00H or FFH, then being judged as does not have setting threshold.
The result of the judgement among the step S13 is, regulation zone at flicker ROM102 is not set under the situation of initial threshold, chopping machine 10 based on the indication of threshold setting device 20, enters the threshold setting pattern (step S14) that is used at the regulation zone of flicker ROM102 setting threshold.And, after having set threshold value, enter normal mode (step S15), the common inspection that is determined in advance.
On the other hand, in step S13, be set with under the situation of initial threshold, be judged as in the operation before checking and set threshold value, enter normal mode (step S15) in the regulation zone of flicker ROM102.
Fig. 6, Fig. 8 are the diagram of circuits of handler that is used to illustrate the threshold setting pattern of present embodiment.
At first, Fig. 6 is described.In step S101, make LED display lamp 109 shown in Figure 4 light and inform and enter into the threshold value pattern to the operator, will enter this advisory of threshold value pattern simultaneously to threshold setting device 20.In addition, also can adopt and make not shown buzzer call replace LED display lamp 109.In addition, also can carry out lighting of LED display lamp 109 and piping of buzzer phone simultaneously.
Then, the benchmark paper (test pattern) that will have black mark is placed in the chopping machine 10, and detect black mark (step S102) by optical chopper 110, wherein said black mark with the optical reflection concentration of regulation be formed on the quality identical with chopping machine 10 employed coil papers with on the paper.And, after detection signal being converted to digital signal,, send to threshold setting device 20 (step S103) via interface 104 based on the control of CPU101 by A/D converter 111.
Threshold value=(V
H+ V
L)/2
In addition, in Fig. 7, by the expression of analog waveform pattern ground, still be actually, calculate the digital value of detection signal by being assembled into the computing that firmware carried out in the threshold setting device 20 in advance for explanation.
In addition, threshold value is not limited to the high level V of detection signal
HWith low level V
LAviation value, self-evident, also can come setting threshold by other method, for example, compare with specified reference value and with the specified value predesignated as threshold value.
The threshold value that obtains therefrom is sent in the chopping machine 10.
Chopping machine 10 is received in preset threshold in the threshold setting device 20 (step S104), and is stored in the zone of regulation of flicker ROM102 (step S105).
Then, Fig. 8 is described.
Step S201 and step S101 similarly inform and have entered this situation of threshold setting pattern.Then, from chopping machine 10, wait for the enforcement (step S202) of threshold setting function.At this, also can directly send a value, also setting value automatically.As long as have the function of automatic setting value, then benchmark receipt (receipt) paper (test pattern) is placed in the chopping machine 10, by optical chopper 110 detected values (step S203).And, after detection signal being converted to digital signal, be converted to suitable value (step S204), and store in the zone of regulation of flicker ROM102 (step S205) by A/D converter 111.
As described above, threshold setting method, threshold setting device and chopping machine according to above-mentioned embodiments of the present invention, the chopping machine 10 of checking object is connected with threshold setting device 20 and makes its startup, whether judgement is set with initial threshold in the regulation zone of the flicker ROM102 that chopping machine 10 is possessed, enters the threshold setting pattern under the situation of not setting initial threshold.In the threshold setting pattern, the black mark of detection reference paper also sends to threshold setting device 20 with detection signal.Threshold setting device 20 is set best threshold value based on the dynamic range of black mark detecting signal on chopping machine.Threshold value after the setting is stored in the regulation zone of flicker ROM102.
Thus, the difference of the detection signal that causes with the individual difference of the optical chopper 110 that is possessed owing to chopping machine 10 is irrelevant, can set to make and be transformed to the two maximized threshold values of boundary of advancing value, therefore, can by black mark correctly determine coil paper with respect to the off-position of print position or can detect reliably coil paper terminal etc., can prevent the misoperation of chopping machine.
In addition, in the present embodiment, as signal conditioning package, for example understand the chopping machine that is connected with main frame and on coil paper, prints, but self-evident, the present invention also can be applicable to: be formed on the mark on the medium of regulation or bar code reader, flag page reader and the scanner etc. of image by sensor.
In addition, as sensor, for example understand to be used to detect the reflection-type photointerrupter that is formed on the black mark on the coil paper, but the present invention can be applicable to equally: with the detection of paper front end or rear end or stick on employed transmission-type optical chopper in the detection of rolling up the label on the platform paper.
Further, sensor is not limited to optical pickocff, also can be other sensors that use in order to carry out predetermined process in signal conditioning package, for example is temperature sensor, acoustic sensor etc.
Further, represent to detect black mark specifically and the example of setting threshold, but also can detect receipt part (white part) and setting threshold.
Threshold setting method of the present invention and threshold setting device, having can be corresponding to the individual difference of sensor with the less time and set the effect of best threshold value reliably, is applicable to by making detection signal by the physical quantity of sensor be transformed to two to advance the chopping machine or the signal conditioning packages such as bar code reader, scanning device of the control that value stipulates.
Claims (6)
1. threshold setting method in the signal conditioning package of the sensor of the physical quantity that possesses the regulation of detecting, is set the detection signal that is used to make described physical quantity and is transformed to two threshold values of advancing value, it is characterized in that,
May further comprise the steps:
Corresponding to the power connection of described signal conditioning package, judge the step that in described signal conditioning package, whether is set with initial threshold;
Be judged as under the situation of not setting described initial threshold, entering the step of the threshold setting pattern of setting described initial threshold.
2. threshold setting method according to claim 1 is characterized in that,
Described threshold setting pattern may further comprise the steps:
Detection becomes the step of the described physical quantity of benchmark;
Set the step of described threshold value based on the detection signal of described physical quantity;
Threshold value after this setting is stored in the step in the zone of regulation of described signal conditioning package.
3. threshold setting method according to claim 1 and 2 is characterized in that,
Described threshold setting pattern is implemented in the inspection operation before the dispatching from the factory of described signal conditioning package.
4. signal conditioning package,
Comprise:
Detect the sensor of the physical quantity of regulation;
Store the nonvolatile memory of described threshold value; With
Make the detection signal of described sensor be transformed to two signals that advance after the value based on threshold value, carry out the control part of predetermined process, it is characterized in that by regulation,
Described control part corresponding to power connection, is judged whether be set with initial threshold in described signal conditioning package, and is being judged as under the situation of not setting described initial threshold, enters the threshold setting pattern of setting described initial threshold.
5. signal conditioning package according to claim 4 is characterized in that,
Described sensor is to be used to detect the optical pickocff that is formed on the black mark on the coil paper.
6. signal conditioning package according to claim 5 is characterized in that,
Possess the cutting mechanism that cuts off described coil paper,
Based on making the detection signal of described sensor be transformed to two signals that advance after the value, control described cutting mechanism by being stored in described threshold value in the described nonvolatile memory.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2005124259 | 2005-04-21 | ||
| JP2005124259A JP2006297798A (en) | 2005-04-21 | 2005-04-21 | Threshold setting method and information processor |
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| Publication Number | Publication Date |
|---|---|
| CN1854048A CN1854048A (en) | 2006-11-01 |
| CN100548845C true CN100548845C (en) | 2009-10-14 |
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| CNB2006100736881A Expired - Fee Related CN100548845C (en) | 2005-04-21 | 2006-04-18 | Threshold setting method and signal conditioning package |
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| CN (1) | CN100548845C (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102008038770A1 (en) * | 2008-08-12 | 2010-02-25 | OCé PRINTING SYSTEMS GMBH | High-performance printer or copier controlling method, involves determining threshold for detecting markings based on determined brightness value, presetting threshold as parameter and producing binary signal based on threshold |
| JP5219792B2 (en) * | 2008-12-25 | 2013-06-26 | パナソニック株式会社 | Wireless transmission device and wireless video transmission system using the same |
| CN102616021B (en) * | 2011-01-26 | 2015-05-20 | 山东新北洋信息技术股份有限公司 | Method and device of judging marks on print medium, and printing device |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003285472A (en) * | 2002-03-28 | 2003-10-07 | Canon Inc | Image forming apparatus |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003285472A (en) * | 2002-03-28 | 2003-10-07 | Canon Inc | Image forming apparatus |
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