CN104913810B - A kind of SCM Based laser marking machine running monitor device - Google Patents
A kind of SCM Based laser marking machine running monitor device Download PDFInfo
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- CN104913810B CN104913810B CN201410090361.XA CN201410090361A CN104913810B CN 104913810 B CN104913810 B CN 104913810B CN 201410090361 A CN201410090361 A CN 201410090361A CN 104913810 B CN104913810 B CN 104913810B
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Abstract
The present invention relates to laser marking machine technical field, a kind of SCM Based laser marking machine running monitor device, including single-chip microcomputer are disclosed；The voltage detection circuit being connected with single-chip microcomputer, the supply voltage for detecting laser marking machine, single-chip microcomputer obtains the supply voltage that is detected of voltage detection circuit and compared with nominal voltage；The police instruction module being connected with single-chip microcomputer, for sending corresponding warning message according to the comparative result of single-chip microcomputer；Single-chip microcomputer is connected by the laser of serial line interface and laser marking machine and obtains the running parameter of laser in real time；The display module being connected with single-chip microcomputer, for showing the running parameter acquired in single-chip microcomputer from laser in real time.The present invention, which has, easily to check whether each supply voltage is normal in real time, and the advantage of the systematic parameter of observation laser and running status at any time.
Description
Technical field
The present invention relates to laser marking machine technical field, in particular, more particularly to a kind of SCM Based laser
Marking machine running monitor device.
Background technology
Laser marking machine is a kind of complicated machinery equipment, and inside possesses numerous electronics and electric component, and equipment
The running status close relation of each part the running situation of whole machine, and any one component malfunction has can
Machine cisco unity malfunction can be caused, it could even be possible to damaging the cores such as the mark control card and laser of laser marking machine
Part, causes heavy losses.For this reason, it may be necessary to a kind of system monitoring device to monitor the operation conditions of machine in real time, make its can and
When pinpoint the problems and solve the problems, such as.Machine of the prior art is typically all when there is obvious failure（Do not go out such as sharp
Light, or some important component are burnt out etc.）, Maintenance Engineer just start investigate failure cause.But it is due to that produced on-site is numerous
Busy, machine construction is again accurate complicated, is often difficult to be dismantled and safeguarded in time when going wrong, is brought to engineer after sale
Also safety guarantee is lacked while inconvenient.
The content of the invention
It is an object of the invention to lack security protection and the difficult technology of malfunction elimination for existing in the prior art
There is provided a kind of SCM Based laser marking machine running monitor device for problem.
In order to solve posed problems above, the technical solution adopted by the present invention is：
A kind of SCM Based laser marking machine running monitor device, including single-chip microcomputer；The power supply being connected with single-chip microcomputer
Voltage detecting circuit, the voltage detection circuit is used for the supply voltage for detecting laser marking machine, and the single-chip microcomputer obtains electricity
Supply voltage that source voltage detecting circuit is detected simultaneously is compared with nominal voltage；The police instruction module being connected with single-chip microcomputer, should
Police instruction module is used to send corresponding warning message according to the comparative result of single-chip microcomputer；The single-chip microcomputer by serial line interface with
The laser of laser marking machine connects and obtains the running parameter of laser in real time；And the display mould being connected with single-chip microcomputer
Block, the display module is used to show the running parameter acquired in single-chip microcomputer from laser in real time.
According to a preferred embodiment of the invention：The supply voltage includes the MCC cards supply voltage of laser marking machine, shaken
Mirror supply voltage and lifting platform supply voltage.
According to a preferred embodiment of the invention：The voltage detection circuit includes, for detecting EMCC card power supplys
The positive electricity power sense circuit of positive voltage and galvanometer power supply positive voltage, for detecting EMCC card power supply negative voltages and galvanometer power supply negative electricity
The negative electricity power sense circuit of pressure, and for detecting that the comparator of lifting platform supply voltage detects circuit；
The positive electricity power sense circuit and negative electricity power sense circuit are by the EMCC cards supply voltage detected and galvanometer power supply
The AD converter that voltage is delivered to single-chip microcomputer is AD converted sampling, is then compared with nominal voltage；
The comparator detection circuit is by the way that detection voltage is compared with the upper voltage limit and lower voltage limit of two comparators.
According to a preferred embodiment of the invention：The EMCC cards electricity of the voltage detection circuit and laser marking machine
Safeties are additionally provided between source, galvanometer power supply and lifting platform power supply.
According to a preferred embodiment of the invention：The safeties include being connected to EMCC cards power supply and supply voltage inspection
The first insurance circuit between slowdown monitoring circuit, is connected to the second insurance circuit between galvanometer power supply and voltage detection circuit,
And it is connected to the 3rd insurance circuit between lifting platform power supply and voltage detection circuit.
According to a preferred embodiment of the invention：First insurance circuit includes EMCC card power inputs, is connected to
The first terminals of EMCC card power inputs, third terminal and the 4th fuse on the 5th terminal, the 3rd fuse and second are molten
Silk；
Second insurance circuit includes galvanometer power input, is connected to the first terminal and the of galvanometer power input
The 5th fuse and the first fuse on three terminals；
3rd insurance circuit includes lifting platform power input, is connected to the forth terminal of lifting platform power input
On the 6th fuse.
According to a preferred embodiment of the invention：The positive electricity power sense circuit includes and EMCC card power supply+15V voltage ends
The first bleeder circuit, the second bleeder circuit that is connected with EMCC card power supply+7V voltage ends of connection, and with galvanometer power supply+15V
3rd bleeder circuit of voltage end connection.
According to a preferred embodiment of the invention：The negative electricity power sense circuit includes connecting with galvanometer power supply -15V voltage ends
The the first reverse proportional amplifier connect, and the second reverse proportional amplifier being connected with EMCC card power supply -15V voltage ends..
According to a preferred embodiment of the invention：Comparator detection circuit include being sequentially connected the 4th, the 5th, the
Six divider resistances, first comparator and the second comparator, the in-phase input end of the first comparator are connected to the 5th partial pressure electricity
Between resistance and the 6th divider resistance, the inverting input of second comparator is connected to the 5th divider resistance and the 6th partial pressure electricity
Between resistance.
According to a preferred embodiment of the invention：The running parameter of the laser includes the working power electricity of laser
Pressure, MO and BS states, and laser systematic parameter and alarm state information；
The single-chip microcomputer to laser by sending serial ports querying command, then obtains the commands in return of laser, and carries out
Parse to obtain the running parameter of laser.
Compared with prior art, the beneficial effects of the present invention are：
All power supplys of the invention to laser marking machine, the i.e. operation conditions of supply voltage is monitored in real time, including
Galvanometer power supply, EMCC card power supplys, lifting platform power supply and laser power supply etc., while parameter and running status also to laser
Monitored in real time, pass through police instruction module（LED light）Whether can easily check each supply voltage in real time
Normally, and systematic parameter and its running status of laser etc. can be observed at any time, once the voltage of some power supply exceeds model
Enclose, corresponding police instruction lantern festival is lighted, and the parameter such as the working frequency of laser, power and pulse width and alarm shape
State then can be in display module（LCD screen）It is upper to read, while several important control signals of laser, such as controlling to open
Guan Guang MO signals and Boost signals etc. can also pass through police instruction module（LED light）To observe, make tool of the present invention
Occupy little space, advantage easy for installation.
Brief description of the drawings
Fig. 1 is the schematic diagram of the SCM Based laser marking machine running monitor device of the present invention.
Fig. 2 is the circuit diagram of safeties in SCM Based laser marking machine running monitor device of the invention.
Fig. 3 is the circuit of positive electricity power sense circuit in SCM Based laser marking machine running monitor device of the invention
Figure.
Fig. 4 is the circuit of negative electricity power sense circuit in SCM Based laser marking machine running monitor device of the invention
Figure.
Fig. 5 detects the circuit of circuit for comparator in the SCM Based laser marking machine running monitor device of the present invention
Figure.
Embodiment
For the ease of understanding the present invention, the present invention is described more fully below with reference to relevant drawings.In accompanying drawing
Give presently preferred embodiments of the present invention.But, the present invention can be realized in many different forms, however it is not limited to this paper institutes
The embodiment of description.On the contrary, the purpose for providing these embodiments is to make the understanding to the disclosure more thorough
Comprehensively.
Unless otherwise defined, all of technologies and scientific terms used here by the article is with belonging to technical field of the invention
The implication that technical staff is generally understood that is identical.Term used in the description of the invention herein is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.
As shown in fig.1, the present invention provides a kind of SCM Based laser marking machine running monitor device, including monolithic
Machine 30；The voltage detection circuit 20 being connected with single-chip microcomputer 30, in embodiments of the present invention, the voltage detection circuit
20 supply voltage 70 for detecting laser marking machine, the supply voltage 70 includes EMCC cards supply voltage, galvanometer supply voltage
And lifting platform supply voltage, in other embodiment of the present invention, it can further include laser power supply etc..It is described
Single-chip microcomputer 30 obtains the supply voltage 70 that voltage detection circuit 20 is detected（EMCC cards supply voltage, galvanometer supply voltage
And lifting platform supply voltage）And compared with nominal voltage；The police instruction module 60 being connected with single-chip microcomputer 30, the police instruction
Module 60 is used to send corresponding warning message according to the comparative result of single-chip microcomputer 30；The single-chip microcomputer 30 is by serial line interface with swashing
The laser 50 of light marking machine connects and obtains the running parameter of laser 50 in real time；And the display being connected with single-chip microcomputer 30
Module 40, the display module 40 is used to show the running parameter acquired in single-chip microcomputer 30 from laser 50 in real time.
The principle of the present invention is the supply voltage 70 to laser marking machine（I.e. all power supplys）Operation conditions carry out it is real
When monitoring, including galvanometer power supply, EMCC cards power supply, lifting platform power supply, and can also further monitoring laser power supply etc.,
The parameter and running status also to laser are monitored in real time simultaneously, pass through police instruction module 60（LED light）Can
Easily to check whether each supply voltage is normal in real time, and systematic parameter and its operation of laser can be observed at any time
State etc., once the voltage outside range of some power supply, corresponding police instruction lantern festival is lighted, and the working frequency of laser,
The parameter such as power and pulse width and alarm condition then can be in display modules（LCD screen）It is upper to read, while laser
Several important control signals, such as can also be referred to for MO signals and Boost signals of controlling switch light etc. by alarm
Show module（LED light）To observe, also, the present invention device also have occupy little space, advantage easy for installation can be non-
Often easily it is used in laser marking machine.
Preferably, the present invention is in addition to monitoring function, increase defencive function in order to further, the present invention is in institute
State and be additionally provided between voltage detection circuit 20 and EMCC cards power supply, galvanometer power supply and the lifting platform power supply of laser marking machine
Safeties 10, that is to say, that all power supplys are all powered by the device to corresponding part, once a certain source current is excessive,
Corresponding fuse can be automatically cut off on safeties 10, played a part of protection important component and be not damaged by.
As shown in fig.2, being the circuit diagram of safeties in the present invention, the safeties 10 include being connected to EMCC cards
The first insurance circuit 110 between power supply and voltage detection circuit 20, is connected to galvanometer power supply and detects electricity with supply voltage
The second insurance circuit 120 between road 20, and the 3rd be connected between lifting platform power supply and voltage detection circuit 20
Insurance circuit 130, the particular circuit configurations of three insurance circuits are described as follows.
First insurance circuit 110 includes EMCC card power input J7, is connected to EMCC card power inputs J7's
The 4th fuse F4, the 3rd fuse F3 and the second fuse F2 on the first terminal, third terminal and the 5th terminal；Described second protects
Dangerous circuit 120 is included on galvanometer power input J6, the first terminal and third terminal for being connected to galvanometer power input J6
5th fuse F5 and the first fuse F1；3rd insurance circuit 130 includes lifting platform power input J8, is connected to lifting platform
The 6th fuse F6 in power input J8 forth terminal.That is, galvanometer power input J6 is galvanometer power supply+15V
With -15V control source, EMCC card power inputs J7 is EMCC power supplys+15V, -15V ,+7V voltage input end, lifting platform
Power input J8 is lifting platform+24V voltage input ends, and these supply voltages pass through after each above-mentioned fuse directly to negative
Carry（EMCC cards, laser etc.）Power supply, if the failures such as short circuit occur for a certain load, the fuse of respective channels can be automatically cut off,
Serve the effect of protection load.
Refering to shown in Fig. 3~Fig. 5, the voltage detection circuit 20 includes, for detecting EMCC card power supply positive voltages
With the positive electricity power sense circuit 210 of galvanometer power supply positive voltage, for detecting EMCC card power supply negative voltages and galvanometer power supply negative voltage
Negative electricity power sense circuit 220, and for detect lifting platform supply voltage comparator detect circuit 230.
Voltage to be detected has+15V, -15V ,+a 7V of EMCC card power supplys in the present invention, and galvanometer power supply+15V, -
15V and lifting platform power supply+24V；And supply voltage detection has two methods, a kind of method is by anti-by voltage to be detected
To, it is and scaling or the process for converting it into digital quantity after process step by single-chip microcomputer such as reduce, in addition one
Whether the method for kind is to compare it with a upper voltage limit and a lower voltage limit by comparator, see it above and below this
The voltage range of limit.The positive electricity power sense circuit 210 and negative electricity power sense circuit 220 are by the EMCC card supply voltages detected
The AD converter for being delivered to single-chip microcomputer 30 with galvanometer supply voltage is AD converted sampling, is then compared with nominal voltage, and it is adopted
It is that first method is detected；Comparator detection circuit 230 is by will detect voltage and two comparators
Upper voltage limit and lower voltage limit compare, and it uses what method in second was detected；The specific following institute of circuit structure diagram
Description.
Fig. 3 show the circuit diagram of positive electricity power sense circuit 210, and the positive electricity power sense circuit 210 includes and EMCC cards
First bleeder circuit of power supply+15V voltage ends connection, the second bleeder circuit being connected with EMCC card power supply+7V voltage ends, and
The 3rd bleeder circuit being connected with galvanometer power supply+15V voltage ends.Wherein, the first bleeder circuit includes and EMCC card power supplys+15V
First divider resistance R34 of voltage end connection, and resistance R14, R15, R16, R17, R18 and R19 parallel with one another, and resistance
R14, R15, R16, R17, R18 and R19 can be connected with equivalent into resistance Ra, the equivalent resistance Ra with the first divider resistance R34,
Filter capacitor C18 and C45 are also parallel with equivalent resistance Ra.Second bleeder circuit includes and EMCC card power supply+7V voltages
Second divider resistance R35 of end connection, and resistance R41, R42, R43, R44, R45 and R46 parallel with one another, and resistance R41,
R42, R43, R44, R45 and R46 can be connected with equivalent into resistance Rb, the equivalent resistance Rb with the second divider resistance R35, this etc.
Filter capacitor C32 and C47 are also parallel with effect resistance Rb.3rd bleeder circuit includes what is be connected with galvanometer power supply+15V voltage ends
3rd divider resistance R13, and resistance R47, R48 and R49 parallel with one another, and resistance R47, R48 and R49 can be with equivalent into electricity
Hinder Rc, the equivalent resistance Rc connects with the 3rd divider resistance R13, be also parallel with the equivalent resistance Rc filter capacitor C33 with
C48.Such three bleeder circuits respectively by EMCC card power supply+15V voltages, EMCC cards power supply+7V voltages and galvanometer power supply+
15V voltages carry out partial pressure, make the voltage at iSCAN+15V, iEMCC+15V and iEMCC+7V shown in Fig. 3 in 0~2.5V models
Within enclosing, the AD passages being then connected in single-chip microcomputer are sampled, that is, single-chip microcomputer is connected to shown in Fig. 3
ISCAN+15V ends, iEMCC+15V ends and iEMCC+7V ends, and provided with two-way between iSCAN+15V ends, iEMCC+15V ends
Voltage-regulator diode D5, bi-directional voltage stabilizing diode D8, D5 and D8 are connected with iEMCC+7V ends and is used to clamper protective effect, to protect
The input voltage of card single-chip microcomputer sampling channel is unlikely to cause to burn out more than 5V.
Fig. 4 show the circuit diagram of negative electricity power sense circuit 220, the negative electricity power sense circuit include with galvanometer power supply-
First reverse proportional amplifier of 15V voltage ends connection, and second be connected with EMCC card power supply -15V voltage ends are reversely compared
Example amplifier.Wherein, the first reverse proportional amplifier include the resistance R11 on the first operational amplifier U9A and its periphery, R36,
R37, R38, R39, R40, R70 and electric capacity C31, its amplification coefficient are less than 1, and galvanometer power supply -15V is reversely scaling by first
The AD passages of single-chip microcomputer are inputted after the reverse and scale smaller of device, are sampled and analog-to-digital conversion.Second is reversely scaling
Device includes the second operational amplifier U9B and its resistance R58, R72, R73, R74, R75, R76, the R77 and electric capacity C42 on periphery, its
Inputted after the reverse and scale smaller that amplification coefficient passes through the second reverse proportional amplifier again smaller than 1, EMCC cards power supply -15V
The AD passages of single-chip microcomputer, are sampled and analog-to-digital conversion.Single-chip microcomputer be specifically and the iSCAN ﹣ 15V ends in Fig. 4 and iEMCC ﹣ 15V
End connection, and in order to be also associated with bi-directional voltage stabilizing diode D9 between iSCAN ﹣ 15V ends and iEMCC ﹣ 15V ends, be used for
Clamper protective effect, to ensure that the input voltage of single-chip microcomputer sampling channel is unlikely to cause to burn out more than 5V.
Single-chip microcomputer 30 in the present invention selects Atmega128 single-chip microcomputers, and it has the SAR ADC module of one 10
（AD converter can be worked as to use）, ADC is connected with the analog multiplexer of 8 passages, can be single-ended defeated to 8 tunnels from port
Enter voltage to be sampled, single ended voltage is inputted on the basis of 0V, it has ± 2LSB absolute precision, optional left-justify ADC is read
Number, 0~Vcc ADC input voltage ranges.
Voltage after above-mentioned positive electricity power sense circuit 210 and negative electricity power sense circuit 220 are detected is needed by single-chip microcomputer
AD converter be AD converted sampling, that is, EMCC card power supplys ± 15V and 7V voltages, and galvanometer power supply ± 15V
This 5 road voltage is sampled by the inside AD sampling modules of single-chip microcomputer, to see if fall out scope；And in order to keep away
Exempt to cause error detection because of AC power frequency voltage disturbance, the method for 16 times of sampling in 60ms by each passage during
To eliminate the generation of error detection, the frequency and order of sampling are by Timer Controlling, a total of 5 sampling channels（Relative to EMCC
For+15V,-the 15V ,+7V of card power supply, and+the 15V, -15V of galvanometer power supply）Sampled, therefore adopted every time in order
The time interval of sample is 0.75ms, each timing 0.12ms of timer, therefore timer often interrupts 5 unlatching AD samplings once,
Each passage is sampled 16 times in 60ms, and finally the weighted results of sampling are averaging, and obtains last result, then will be each
As a result contrasted with nominal value, you can know whether within nominal value range.
Because Atmega128 single-chip microcomputers carry two 8 bit timing devices/countings with independent pre-divider and comparator
Adopted in device, and two 16 bit timing devices/counters with independent pre-divider, comparing function and capture function, the present invention
With the timer/counter of 16, in initialization, the pattern of interruption is first set to produce interruption when being overflowed for timer, then
Start-stop counter TCNT initial value is set after interrupting every time all in interrupt function, and counter is started counting up from initial value, when
When it count down to the maximum timing value 65536 of timer, interrupt routine will be entered and perform corresponding flow, and the time of timing
Determined by TCNT initial value.
Fig. 5 show the circuit diagram that comparator detects circuit 230, and the comparator detection circuit 230 includes being sequentially connected
The the 4th to the 6th divider resistance（R25、R26、R27）, first comparator U5A and the second comparator U5B, the first comparator
U5A in-phase input end is connected between the 5th divider resistance R26 and the 6th divider resistance R27, the second comparator U5B's
Inverting input is connected between the 5th divider resistance R26 and the 6th divider resistance R27；Lifting platform power supply+24V voltages pass through
Four to the 6th divider resistances（R25、R26、R27）The anode for inputting first comparator U5A respectively after partial pressure is compared with upper voltage limit,
The negative terminal for inputting the second comparator U5B simultaneously is compared with lower voltage limit, if output end IN14 and IN15 is low level, is said
Bright detected voltage is within acceptability limit, otherwise beyond voltage range, is also parallel with the 6th divider resistance R27 two ends
Electric capacity C25, for being filtered, first comparator U5A and the second comparator U5B output end IN14 and IN15 are and single-chip microcomputer
Connection, for detection information to be sent in single-chip microcomputer.
In the present invention, the running parameter of the laser includes the working power voltage of laser, MO and BS states, with
And the systematic parameter and alarm state information of laser；
And in order to obtain working power voltage, MO the and BS states of laser in real time, and laser systematic parameter
With the information such as alarm condition.Single-chip microcomputer in the device of the present invention regularly will send corresponding serial ports inquiry life to laser
Order, to obtain corresponding reply, is then parsed, so as to obtain required information, that is to say, that single-chip microcomputer 30 by
Laser sends serial ports querying command, then obtains the commands in return of laser, and is parsed to obtain the work ginseng of laser
Number.Serial ports in the present embodiment uses DB9 interfaces, is connected by intersecting the mode of connection with laser, due to different lasers
Serial port command form and designator are otherwise varied, and the present embodiment is by taking optical fiber laser YLPM as an example, and initialization serial ports configuration is as follows：
Baud rate：57600bps, parity check bit:Nothing, start stop position:8,1 start bit and 1 stop position；
The form that single-chip microcomputer 30 sends serial ports querying command to laser is：
| ＄ | Command code | ; | Optional parameters | ; | CR(0xOD) |
Laser is to the form of the commands in return of single-chip microcomputer 30：
| Command code | ; | Return value | ; | CR(0xOD) |
It is all to send order with receiving and the information for sending and replying all is that ASCII character to be converted into could be recognized
Reply end is all used as using the carriage return character.
Advantage of the invention is that：Operation conditions only to all power supplys of laser marking machine is monitored in real time, bag
Include galvanometer power supply, EMCC card power supplys, lifting platform power supply and laser power supply etc., and to the parameter and running status of laser
Monitored in real time, pass through police instruction module（LED light）Whether can easily check each supply voltage in real time
Normally, and systematic parameter and its running status of laser etc. can be observed at any time.Supply voltage passes through AD in single-chip microcomputer
Result after conversion is compared with corresponding nominal range, if beyond nominal voltage scope, corresponding alarm lamp
（Red LED lamp）Light, so as to play the function of detection supply voltage；And display module（LCD display）For showing from string
The systematic parameter for the laser that mouth is obtained（Including power, frequency and laser pulse width）, alarm condition.Show from the display screen
The parameters such as power, frequency, the pulsewidth shown are the actual parameters of laser, can reflect whether the operation of laser is in exactly
Normal condition.
Above-described embodiment is preferably embodiment, but embodiments of the present invention are not by above-described embodiment of the invention
Limitation, other any Spirit Essences without departing from the present invention and the change made under principle, modification, replacement, combine, simplification,
Equivalent substitute mode is should be, is included within protection scope of the present invention.
Claims (8)
1. a kind of SCM Based laser marking machine running monitor device, it is characterised in that：Including single-chip microcomputer (30)；With monolithic
The voltage detection circuit (20) of machine (30) connection, the voltage detection circuit (20) is used for according to default frequency detecting
The supply voltage (70) of laser marking machine, the single-chip microcomputer (30) obtains the power supply electricity that voltage detection circuit (20) is detected
The weighted average of (70) is pressed, and is compared with nominal voltage；The police instruction module (60) being connected with single-chip microcomputer (30), the alarm
Indicating module (60) is used to send corresponding warning message according to the comparative result of single-chip microcomputer (30)；The single-chip microcomputer (30) passes through string
The laser (50) of line interface and laser marking machine connects and obtains the running parameter of laser (50) in real time；And and monolithic
The display module (40) of machine (30) connection, the display module (40) is used to show single-chip microcomputer (30) from laser (50) institute in real time
The running parameter of acquisition；
Wherein, the supply voltage (70) includes EMCC cards supply voltage, galvanometer supply voltage and the lifting of laser marking machine
Platform supply voltage；
The voltage detection circuit (20) includes, for detecting EMCC card power supply positive voltages and galvanometer power supply positive voltage just
Power sense circuit (210), the negative electricity power sense circuit for detecting EMCC card power supply negative voltages and galvanometer power supply negative voltage
(220), and for detecting that the comparator of lifting platform supply voltage detects circuit (230)；
The positive electricity power sense circuit (210) and negative electricity power sense circuit (220) are by the EMCC cards supply voltage detected and shake
The AD converter that mirror supply voltage is delivered to single-chip microcomputer (30) is AD converted sampling, is then compared with nominal voltage；
The comparator detection circuit (230) passes through the upper voltage limit and lower voltage limit ratio by voltage and two comparators is detected
Compared with.
2. SCM Based laser marking machine running monitor device according to claim 1, it is characterised in that：
EMCC cards power supply, galvanometer power supply and the lifting platform power supply of the voltage detection circuit (20) and laser marking machine it
Between be additionally provided with safeties (10).
3. SCM Based laser marking machine running monitor device according to claim 2, it is characterised in that：
The safeties (10) include the first insurance being connected between EMCC cards power supply and voltage detection circuit (20)
Circuit (110), is connected to the second insurance circuit (120) between galvanometer power supply and voltage detection circuit (20), Yi Jilian
It is connected on the 3rd insurance circuit (130) between lifting platform power supply and voltage detection circuit (20).
4. SCM Based laser marking machine running monitor device according to claim 3, it is characterised in that：
First insurance circuit (110) includes EMCC cards power input (J7), is connected to EMCC cards power input (J7)
The first terminal, third terminal and the 5th terminal on the 4th fuse (F4), the 3rd fuse (F3) and the second fuse (F2)；
Second insurance circuit (120) includes galvanometer power input (J6), is connected to the of galvanometer power input (J6)
The 5th fuse (F5) and the first fuse (F1) on one terminal and third terminal；
3rd insurance circuit (130) includes lifting platform power input (J8), is connected to lifting platform power input (J8)
Forth terminal on the 6th fuse (F6).
5. SCM Based laser marking machine running monitor device according to claim 1, it is characterised in that：
The positive electricity power sense circuit (210) include be connected with EMCC card power supply+15V voltage ends the first bleeder circuit, and
Second bleeder circuit of EMCC card power supply+7V voltage ends connection, and the 3rd partial pressure being connected with galvanometer power supply+15V voltage ends
Circuit.
6. SCM Based laser marking machine running monitor device according to claim 1, it is characterised in that：
The negative electricity power sense circuit (220) includes the first reverse proportional amplifier being connected with galvanometer power supply -15V voltage ends,
And the second reverse proportional amplifier being connected with EMCC card power supply -15V voltage ends.
7. SCM Based laser marking machine running monitor device according to claim 1, it is characterised in that：
The comparator detection circuit (230) includes the four, the five, the 6th divider resistances (R25, R26, R27) being sequentially connected,
First comparator (U5A) and the second comparator (U5B), the in-phase input end of the first comparator (U5A) are connected to the 5th point
Between piezoresistance (R26) and the 6th divider resistance (R27), the inverting input of second comparator (U5B) is connected to the 5th
Between divider resistance (R26) and the 6th divider resistance (R27).
8. SCM Based laser marking machine running monitor device according to claim 1, it is characterised in that：
The working power voltage of the running parameter of the laser including laser, MO and BS states, and laser system
Parameter and alarm state information；
The single-chip microcomputer (30) to laser by sending serial ports querying command, then obtains the commands in return of laser, and carries out
Parse to obtain the running parameter of laser.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410090361.XA CN104913810B (en) | 2014-03-12 | 2014-03-12 | A kind of SCM Based laser marking machine running monitor device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410090361.XA CN104913810B (en) | 2014-03-12 | 2014-03-12 | A kind of SCM Based laser marking machine running monitor device |
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| CN104913810A CN104913810A (en) | 2015-09-16 |
| CN104913810B true CN104913810B (en) | 2017-08-22 |
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