CN102744987B - A kind of marking machine DA conversion equipment and method - Google Patents
A kind of marking machine DA conversion equipment and method Download PDFInfo
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- CN102744987B CN102744987B CN201110102730.9A CN201110102730A CN102744987B CN 102744987 B CN102744987 B CN 102744987B CN 201110102730 A CN201110102730 A CN 201110102730A CN 102744987 B CN102744987 B CN 102744987B
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- digital mark
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Abstract
The present invention is applicable to printing field, provide a kind of marking machine DA conversion equipment and method, described device comprises: a digital mark signal input interface, the electric capacity bottle be connected with described digital mark signal input interface, the input signal difference processing unit be connected with described digital mark signal input interface, the CPLD be connected with described digital mark signal input interface, the programming signal input interface be connected with described CPLD, the DAC conversion chip be connected with described CPLD, one that is connected with described DAC conversion chip outputs signal difference processing unit, the X-axis be connected with described output signal difference processing unit simulates mark signal output interface, Y-axis simulation mark signal output interface.In embodiments of the present invention, by built-in D/A conversion module and signal differential processing module, make DA conversion equipment cost lower, device is more stable.
Description
Technical field
The invention belongs to printing field, particularly relate to a kind of marking machine DA conversion equipment and method.
Background technology
DA switch technology is often applied to motion control apparatus, and the precision of DA conversion and performance determine control accuracy and the performance of system largely.Marking machine is as a motion control apparatus, and DA conversion equipment is the device of its indispensability.Existing DA conversion equipment is changed by external D/A conversion module usually, and this just causes cost higher, and to input/output signal without any process, often less stable.
Summary of the invention
The object of the embodiment of the present invention is to provide a kind of marking machine DA conversion equipment and method, is intended to solve existing marking machine DA conversion equipment cost high, the problem of poor stability.
The embodiment of the present invention is achieved in that a kind of marking machine DA conversion equipment, and described device comprises:
A digital mark signal input interface, the electric capacity bottle be connected with described digital mark signal input interface, the input signal difference processing unit be connected with described digital mark signal input interface, the CPLD be connected with described digital mark signal input interface, the programming signal input interface be connected with described CPLD, the DAC conversion chip be connected with described CPLD, one that is connected with described DAC conversion chip outputs signal difference processing unit, the X-axis be connected with described output signal difference processing unit simulates mark signal output interface, Y-axis simulation mark signal output interface.
Another object of the embodiment of the present invention is to provide a kind of marking machine DA conversion method, said method comprising the steps of:
Numeral mark signal input interface receives the digital mark signal of external power source and the transmission of mark card;
The digital mark Signal Pretreatment of described reception is X-axis numeral mark signal and Y-axis numeral mark signal by numeral mark signal input interface;
CPLD is programmed to the X-axis numeral mark signal received and Y-axis numeral mark signal by external programming device;
The X-axis of reception numeral mark signal and Y-axis numeral mark signal are converted to X-axis simulation mark signal and Y-axis simulation mark signal by DAC conversion chip;
X-axis simulation mark signal output interface and Y-axis simulation mark signaling interface respectively X-axis are simulated mark signal and Y-axis simulation mark signal is sent to X-axis galvanometer and Y-axis galvanometer
In embodiments of the present invention, by integrated complex PLD in DA conversion equipment, make the programming that DA conversion equipment can realize mark signal, distribution, the functions such as protocol conversion, achieve the needs of DA conversion equipment miniaturization, and by carrying out difference processing to input/output signal, and bulky capacitor filtering being carried out to power supply, making DA conversion equipment more stable, and external communication only needs a DB25 interface to be connected with outside, further simplify DA conversion equipment.
Accompanying drawing explanation
Fig. 1 is the structure chart of the marking machine DA conversion equipment that the embodiment of the present invention provides;
Fig. 2 is the flow chart of the marking machine DA conversion method that the embodiment of the present invention provides.
Detailed description of the invention
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
In embodiments of the present invention, by integrated complex PLD in DA conversion equipment, make the programming that DA conversion equipment can realize mark signal, distribution, the functions such as protocol conversion, achieve the needs of DA conversion equipment miniaturization, and by carrying out difference processing to input/output signal, and bulky capacitor filtering being carried out to power supply, making DA conversion equipment more stable, and external communication only needs a DB25 interface to be connected with outside, further simplify DA conversion equipment.
Be illustrated in figure 1 the structure chart of the marking machine DA conversion equipment that the embodiment of the present invention provides, for convenience of explanation, the part relevant to the embodiment of the present invention be only shown.
Described DA conversion equipment comprises a digital mark signal input interface 11, the electric capacity bottle 12 be connected with described digital mark signal input interface 11, the input signal difference processing unit 13 be connected with described digital mark signal input interface 11, the CPLD 14 be connected with described digital mark signal input interface 11, the programming signal input interface 15 be connected with described CPLD 14, the DAC conversion chip 16 be connected with described CPLD 14, one that is connected with described DAC conversion chip 16 outputs signal difference processing unit 17, the X-axis be connected with described output signal difference processing unit 17 simulates mark signal output interface 18, Y-axis simulation mark signal output interface 19.
Wherein digital mark signal input interface 11 comprises:
Numeral mark signal receiving unit 111, for receiving the digital mark signal that mark card sends;
Numeral mark Signal Pretreatment unit 112, the digital mark Signal Pretreatment for being received by described digital mark signal receiving unit 111 is X-axis numeral mark signal and Y-axis numeral mark signal.
External power source receiving element 113, for receiving external power source.
Wherein electric capacity bottle 12 carries out bulky capacitor filtering for the power supply received digital mark signal input interface 11.
Wherein input signal difference processing unit 13, carries out difference processing for the digital mark signal received described digital mark signal input interface 11.
Wherein CPLD 14 is for programming to the digital mark signal received and detect the duty of marking machine.
CPLD 14 also comprises:
Numeral mark signal receiving unit 141, for receiving the digital mark signal that digital mark signal input interface sends.
Programming information receiving element 142, for receiving the programming information to digital mark signal.
Programming unit 143, programmes to the digital mark signal that described digital mark signal receiving unit 141 receives for the programming information received according to described programming information receiving element 142.
Marking machine working state detection units 144, whether for detecting the duty of marking machine in real time, described duty comprises: the connection status of mark card and DA conversion equipment, and whether galvanometer is in mark state, power normal.
Wherein programming signal input interface 15 is for external programming device, and programming signal is sent to CPLD 14.
Wherein DAC conversion chip 16 is for receiving the digital mark signal through programming of complex logic device 14 transmission, DA conversion is carried out to the described digital mark signal through programming, be converted to simulation mark signal, and the simulation mark signal after conversion outputted to output signal difference processing unit 17.
Wherein output signal difference processing unit 17, carry out difference processing for the simulation mark signal exported DAC conversion chip.
Wherein X-axis simulation mark signal output interface 18 is for receiving the X-axis simulation mark signal of output signal difference processing unit 17 output, and the X-axis of described reception simulation mark signal is sent to X-axis galvanometer, simultaneously for X-axis galvanometer is powered.
Wherein Y-axis simulation mark signal output interface 19 is for receiving the Y-axis simulation mark signal of output signal difference processing unit 17 output, and the Y-axis of described reception simulation mark signal is sent to Y-axis galvanometer, simultaneously for Y-axis galvanometer is powered.
In embodiments of the present invention, by integrated complex PLD in DA conversion equipment, make the programming that DA conversion equipment can realize mark signal, distribution, the functions such as protocol conversion, achieve the needs of DA conversion equipment miniaturization, and by carrying out difference processing to input/output signal, and bulky capacitor filtering being carried out to power supply, making DA conversion equipment more stable, and external communication only needs a DB25 interface to be connected with outside, further simplify DA conversion equipment.
As another embodiment of the present invention, described DA conversion equipment also comprises a LED display 20 be connected with described CPLD 14, for showing the duty of marking machine, described duty: the connection status of mark card and DA conversion equipment, whether galvanometer is in mark state, whether normally power, described LED display 20 can be a LED display also can be one group of LED display lamp, when the different operating state for can be represented marking machine during one group of LED display lamp respectively by the speed of the light and shade of this group LED display lamp and flicker.
As another embodiment of the present invention, described DA conversion equipment also comprises a galvanometer selector switch 21 be connected with described CPLD 14, for selecting the galvanometer of different voltage for marking machine.
The marking machine mark signal that being illustrated in figure 2 the embodiment of the present invention provides carries out the flow chart of DA conversion method, and details are as follows:
In step s 201, digital mark signal input interface receives the digital mark signal of external power source and the transmission of mark card.
In embodiments of the present invention, carry out bulky capacitor filtering by the capacitance plate in DA conversion equipment to the power supply received, the power supply that DA conversion equipment is used is more stable, and carries out difference processing to the digital mark signal received.
In step S202, the digital mark Signal Pretreatment of described reception is X-axis numeral mark signal and Y-axis numeral mark signal by numeral mark signal input interface, and described X-axis numeral mark signal and Y-axis numeral mark signal are sent to CPLD.
In step S203, CPLD is programmed to the X-axis numeral mark signal received and Y-axis numeral mark signal by external programming device, and the described numeral mark signal of the X-axis through programming and Y-axis numeral mark signal are sent to DAC conversion chip.
In step S204, the X-axis of reception numeral mark signal and Y-axis numeral mark signal are converted to X-axis simulation mark signal and Y-axis simulation mark signal by DAC conversion chip, and described X-axis simulation mark signal and Y-axis simulation mark signal are sent to X-axis simulation mark signal output interface and Y-axis simulation mark signal output interface respectively.
In embodiments of the present invention, carry out difference processing to the simulation mark signal that DAC conversion chip exports, make the antijamming capability of signal strong, signal is more stable.
In step S205, X-axis simulation mark signal output interface and Y-axis simulation mark signaling interface respectively X-axis are simulated mark signal and Y-axis simulation mark signal is sent to X-axis galvanometer and Y-axis galvanometer.
As one embodiment of the present of invention, also comprise after step S203: galvanometer selector switch is according to the galvanometer of the X-axis numeral mark signal received with the different voltage of Y-axis numeral mark signal behavior.
As another embodiment of the present invention, described CPLD detects the duty of marking machine, and show described duty by external LED display, described duty comprises: the connection status of mark card and DA conversion equipment, whether galvanometer is in mark state, whether normally power, described LED display can be a LED display also can be one group of LED display lamp, when the different operating state for can be represented marking machine during one group of LED display lamp respectively by the speed of the light and shade of this group LED display lamp and flicker.
In embodiments of the present invention, by integrated complex PLD in DA conversion equipment, make the programming that DA conversion equipment can realize mark signal, distribution, the functions such as protocol conversion, achieve that DA conversion equipment is miniaturized must be needed, and by carrying out difference processing to input/output signal, and bulky capacitor filtering being carried out to power supply, making DA conversion equipment more stable, and external communication only needs a DB25 interface to be connected with outside, further simplify DA conversion equipment.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (4)
1. a marking machine DA conversion equipment, it is characterized in that, described device comprises: a digital mark signal input interface, the electric capacity bottle be connected with described digital mark signal input interface, the input signal difference processing unit be connected with described digital mark signal input interface, the CPLD be connected with described digital mark signal input interface, the programming signal input interface be connected with described CPLD, the DAC conversion chip be connected with described CPLD, one that is connected with described DAC conversion chip outputs signal difference processing unit, the X-axis be connected with described output signal difference processing unit simulates mark signal output interface, Y-axis simulation mark signal output interface,
Described digital mark signal input interface also comprises:
Numeral mark signal receiving unit, for receiving the digital mark signal that mark card sends;
Numeral mark Signal Pretreatment unit, the digital mark Signal Pretreatment for being received by described digital mark signal receiving unit is X-axis numeral mark signal and Y-axis numeral mark signal;
External power source receiving element, for receiving external power source.
2. device as claimed in claim 1, it is characterized in that, described CPLD also comprises:
Numeral mark signal receiving unit, for receiving the digital mark signal that digital mark signal input interface sends;
Programming information receiving element, for receiving the programming information to digital mark signal;
Programming unit, programmes to the digital mark signal that described digital mark signal receiving unit receives for the programming information received according to described programming information receiving element;
Marking machine working state detection units, whether for detecting the duty of marking machine in real time, described duty comprises: the connection status of mark card and DA conversion equipment, and whether galvanometer is in mark state, power normal.
3. device as claimed in claim 1, it is characterized in that, described DA conversion equipment also comprises a LED display be connected with described CPLD, for showing the duty of marking machine.
4. device as claimed in claim 1, it is characterized in that, described DA conversion equipment also comprises a galvanometer selector switch be connected with described CPLD.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110102730.9A CN102744987B (en) | 2011-04-22 | 2011-04-22 | A kind of marking machine DA conversion equipment and method |
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| CN201110102730.9A CN102744987B (en) | 2011-04-22 | 2011-04-22 | A kind of marking machine DA conversion equipment and method |
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| CN102744987A CN102744987A (en) | 2012-10-24 |
| CN102744987B true CN102744987B (en) | 2015-09-09 |
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| CN104678187A (en) * | 2013-11-28 | 2015-06-03 | 北车大连电力牵引研发中心有限公司 | Pulse signal test device and pulse signal test method based on DSP (digital signal processor) control |
| CN109141389B (en) * | 2018-09-20 | 2021-03-26 | 桂林电子科技大学 | Electric compass signal analog generator |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101017424A (en) * | 2006-11-24 | 2007-08-15 | 华中科技大学 | Marking controller based on USB interface |
| JP2009226445A (en) * | 2008-03-24 | 2009-10-08 | Miyachi Technos Corp | Scanning type laser beam machining apparatus |
| CN101741331A (en) * | 2009-12-15 | 2010-06-16 | 天水天光半导体有限责任公司 | Pulse amplification processor for laser receiver |
| CN201769456U (en) * | 2010-08-20 | 2011-03-23 | 成都莱普科技有限公司 | Control card of laser marking machine |
| CN201769457U (en) * | 2010-08-20 | 2011-03-23 | 成都莱普科技有限公司 | Laser marking machine offline control panel |
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- 2011-04-22 CN CN201110102730.9A patent/CN102744987B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101017424A (en) * | 2006-11-24 | 2007-08-15 | 华中科技大学 | Marking controller based on USB interface |
| JP2009226445A (en) * | 2008-03-24 | 2009-10-08 | Miyachi Technos Corp | Scanning type laser beam machining apparatus |
| CN101741331A (en) * | 2009-12-15 | 2010-06-16 | 天水天光半导体有限责任公司 | Pulse amplification processor for laser receiver |
| CN201769456U (en) * | 2010-08-20 | 2011-03-23 | 成都莱普科技有限公司 | Control card of laser marking machine |
| CN201769457U (en) * | 2010-08-20 | 2011-03-23 | 成都莱普科技有限公司 | Laser marking machine offline control panel |
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Address after: 518000 Shenzhen Province, Nanshan District high tech park, North West New Road, No. 9 Applicant after: HANS LASER TECHNOLOGY INDUSTRY GROUP CO., LTD. Address before: 518000 Shenzhen Province, Nanshan District high tech park, North West New Road, No. 9 Applicant before: Dazu Laser Sci. & Tech. Co., Ltd., Shenzhen |
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