CN104640320B - A kind of laser lamp signal processing system - Google Patents
A kind of laser lamp signal processing system Download PDFInfo
- Publication number
- CN104640320B CN104640320B CN201510063888.8A CN201510063888A CN104640320B CN 104640320 B CN104640320 B CN 104640320B CN 201510063888 A CN201510063888 A CN 201510063888A CN 104640320 B CN104640320 B CN 104640320B
- Authority
- CN
- China
- Prior art keywords
- module
- connect
- signal
- ilda
- resistance
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Lasers (AREA)
Abstract
The present invention relates to a kind of laser lamp signal processing systems, including filter module, operational amplifying module and power module；The filter module, signal input part are connect with exterior I LDA signal input parts, and signal output end is connect with the signal input part of the operational amplifying module, for being filtered to ILDA signals；The operational amplifying module, signal output end are connect with exterior I LDA signal output ends, and positive and negative terminals are connect with the power module, for being amplified to ILDA signals；The power module is used to be powered operational amplifying module.Compared with the prior art, the present invention can filter interference signal, enhance signal strength, system run all right.
Description
Technical field
The present invention relates to laser lamp technical field, more particularly to a kind of laser lamp signal processing system and method.
Background technology
The control signal of laser lamp uses the ILDA of international standard to control signal, and laser is controlled by 0-5V voltages
The brightness of lamp output and the work of scanning system；Due to being level signal control, signal is easy to be interfered.Especially
In the case that signal wire is more than 20 meters, signal just will appear decaying, just very serious more than 200 meters.After remote（Signal
Line length）Laser lamp may will appear uncontrolled, pattern jitter, phenomena such as being unable to black out.
Invention content
Interference signal can be filtered technical problem to be solved by the invention is to provide a kind of, enhances signal strength, system fortune
Row stable laser lamp signal processing system and method.
The technical solution that the present invention solves above-mentioned technical problem is as follows：A kind of laser lamp signal processing system, including filtering
Module, operational amplifying module and power module；
The filter module, signal input part are connect with exterior I LDA signal input parts, signal output end with it is described
The signal input part of operational amplifying module connects, for being filtered to ILDA signals；
The operational amplifying module, signal output end are connect with exterior I LDA signal output ends, positive and negative terminals with
The power module connection, for being amplified to ILDA signals；
The power module is used to be powered operational amplifying module.
The beneficial effects of the invention are as follows：Various interference signals are filtered isolation, operational amplifying module energy by filter module
Enhance signal strength, make laser lamp work it is more stable, laser lamp can be solved in the case of long signal wire it is possible that
It is uncontrolled, pattern jitter, phenomena such as being unable to black out；It is more than 600 meters of signal by enhancing signal strength to use length
Line, to extend the distance of control.
Based on the above technical solution, the present invention can also be improved as follows.
Further, the filter module is RC filter circuits.
Further, the filter module includes resistance R1~R2 and capacitance C1~C2, one end of the resistance R1 and ILDA
Signal positive input terminal connects, and one end of the resistance R2 connect with ILDA signal negative input ends, the other end of the resistance R1 and
It is connect with ILDA signals input common end after the other end connection of the R2；One end of the capacitance C1 connects with one end of resistance R1
It connects, one end of the capacitance C2 is connect with one end of resistance R2, the other end of the other end of the capacitance C1 and the capacitance C2
It is connect with the other end of the resistance R1 after connection.
Further, the ground potential of the operational amplifying module is that the ground potential of DC is isolated.
Further, the operational amplifying module input impedance is 20M ohm.
Advantageous effect using above-mentioned further scheme is：Only need very faint signal that can be enlarged into stronger electricity
Flow signal source of the signal as driving laser and galvanometer.
Further, the operational amplifying module includes the first operational amplifier and second operational amplifier, first fortune
Calculate amplifier reverse input end connect with the signal positive output end of the filter module, first operational amplifier it is in the same direction
Input terminal is connect with its output end；The signal negative output of the reverse input end of the second operational amplifier and the filter module
End connection, the noninverting input of the second operational amplifier are connect with its output end；First operational amplifier and second
The positive and negative terminals of operational amplifier are connect with the positive and negative terminals of the power module.
Further, the power module is the full isolated power supplies of DC-DC.
Advantageous effect using above-mentioned further scheme is：The ground potential and laser that will directly be transmitted from signal cable
The ground potential of lamp itself is isolated, basic to solve the problems, such as earth potential difference, and laser and other devices in protection laser lamp will not
It is burnt out because of earth potential difference；Be not in thus because the swinging of signal of ground potential drift causes laser graphics output unstable
The problems such as determining, being unable to black out and pattern deformation further protects laser lamp and filters out disturbing factor.
Further, the power module conveys 12V voltages to operational amplifying module.
Solve the problems, such as the another technical solution of this technology：
A kind of laser lamp signal processing method, includes the following steps：
Step S1. external input ILDA signals, are filtered ILDA signals, filtering clutter；
Filtered ILDA signals are carried out operation amplifier by step S2., export the ILDA signals of amplification.
The specific implementation of step S1：External input ILDA signals, are filtered ILDA signals, it is below to filter out 1000Hz
Signal.
Description of the drawings
Fig. 1 is a kind of circuit diagram of laser lamp signal processing system of the present invention.
In attached drawing, parts list represented by the reference numerals are as follows：
1, filter module, 2, operational amplifying module, the 21, first operational amplifier, 22, second operational amplifier, 3, power supply
Module.
Specific implementation mode
The principle and features of the present invention will be described below with reference to the accompanying drawings, and the given examples are served only to explain the present invention, and
It is non-to be used to limit the scope of the present invention.
As shown in Figure 1, a kind of laser lamp signal processing system, including filter module 1, operational amplifying module 2 and power supply mould
Block 3.
The filter module 1, signal input part are connect with exterior I LDA signal input parts, signal output end with it is described
The signal input part of operational amplifying module 2 connects, for being filtered to ILDA signals；
The operational amplifying module 2, signal output end are connect with exterior I LDA signal output ends, positive and negative terminals with
The power module 3 connects, for being amplified to ILDA signals；
The power module 3 is used to be powered operational amplifying module 2.
The filter module 1 is RC filter circuits.
The filter module 1 one end and ILDA signals including resistance R1~R2 and capacitance C1~C2, the resistance R1 are just
Input terminal connects, and one end of the resistance R2 is connect with ILDA signal negative input ends, the other end and the R2 of the resistance R1
The other end connection after with ILDA signals input common end connect；One end of the capacitance C1 is connect with one end of resistance R1, institute
The one end for stating capacitance C2 is connect with one end of resistance R2, after the other end of the capacitance C1 is connect with the other end of the capacitance C2
It is connect with the other end of the resistance R1.
The ground potential of the operational amplifying module 2 is that the ground potential of DC is isolated.
2 input impedance of the operational amplifying module is 20M ohm.
The operational amplifying module 2 includes the first operational amplifier 21 and second operational amplifier 22, first operation
The reverse input end of amplifier 21 is connect with the signal positive output end of the filter module 1, first operational amplifier 21
Noninverting input is connect with its output end；The letter of the reverse input end of the second operational amplifier 22 and the filter module 1
The connection of number negative output terminal, the noninverting input of the second operational amplifier 22 are connect with its output end；First operation is put
Big device 21 and the positive and negative terminals of second operational amplifier 22 are connect with the positive and negative terminals of the power module 3.
The power module 3 is the full isolated power supplies of DC-DC.
The power module 3 conveys 12V voltages to operational amplifying module 2.
A kind of laser lamp signal processing method, includes the following steps：
Step S1. external input ILDA signals, are filtered ILDA signals, filtering clutter；
Filtered ILDA signals are carried out operation amplifier by step S2., export the ILDA signals of amplification.
The specific implementation of step S1：External input ILDA signals, are filtered ILDA signals, it is below to filter out 1000Hz
Signal.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention.
Claims (4)
1. a kind of laser lamp signal processing system, it is characterised in that：Including filter module (1), operational amplifying module (2) and power supply
Module (3)；The filter module (1), signal input part are connect with exterior I LDA signal input parts, signal output end and institute
The signal input part connection for stating operational amplifying module (2), for being filtered to ILDA signals；The operational amplifying module (2),
Its signal output end is connect with exterior I LDA signal output ends, and positive and negative terminals are connect with the power module (3), for pair
ILDA signals are amplified；The power module (3) is used to be powered operational amplifying module (2)；The filter module
(1) include that one end of resistance R1~R2 and capacitance C1~C2, the resistance R1 is connect with ILDA signal positive input terminals, the resistance
One end of R2 is connect with ILDA signal negative input ends, the other end of the resistance R1 connect with the other end of the R2 after with ILDA
Signal inputs common end connection；One end of the capacitance C1 is connect with one end of resistance R1, one end of the capacitance C2 and resistance
One end of R2 connects, the other end with the resistance R1 after the other end of the capacitance C1 is connect with the other end of the capacitance C2
Connection；
The operational amplifying module (2) includes the first operational amplifier (21) and second operational amplifier (22), first fortune
The reverse input end for calculating amplifier (21) is connect with the signal positive output end of the filter module (1), first operation amplifier
The noninverting input of device (21) is connect with its output end；The reverse input end of the second operational amplifier (22) and the filtering
The signal negative output terminal of module (1) connects, and the noninverting input of the second operational amplifier (22) is connect with its output end；Institute
The positive and negative terminals for stating the first operational amplifier (21) and second operational amplifier (22) are positive and negative with the power module (3)
Terminals connect；The power module (3) is the full isolated power supplies of DC-DC；Operational amplifying module (2) input impedance is 20M
Ohm.
2. a kind of laser lamp signal processing system according to claim 1, it is characterised in that：The filter module (1) is RC
Filter circuit.
3. a kind of laser lamp signal processing system according to claim 1, it is characterised in that：The operational amplifying module (2)
Ground potential be the full isolated power supplies of DC-DC ground potential.
4. according to a kind of any one of claims 1 to 3 laser lamp signal processing system, it is characterised in that：The power supply mould
Block (3) conveys 12V voltages to operational amplifying module (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510063888.8A CN104640320B (en) | 2015-02-09 | 2015-02-09 | A kind of laser lamp signal processing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510063888.8A CN104640320B (en) | 2015-02-09 | 2015-02-09 | A kind of laser lamp signal processing system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104640320A CN104640320A (en) | 2015-05-20 |
| CN104640320B true CN104640320B (en) | 2018-07-31 |
Family
ID=53218493
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510063888.8A Active CN104640320B (en) | 2015-02-09 | 2015-02-09 | A kind of laser lamp signal processing system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104640320B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101828919A (en) * | 2010-04-28 | 2010-09-15 | 上海诺诚电气有限公司 | Surface electromyographic electrode with amplifying function |
| CN102571003A (en) * | 2010-12-13 | 2012-07-11 | 深圳新飞通光电子技术有限公司 | Bias circuit of electroabsorption modulated laser |
| CN203124976U (en) * | 2013-03-14 | 2013-08-14 | 武汉梅曼科技有限公司 | Welding laser intensity rectifying and filtering isolation module |
| WO2013163890A1 (en) * | 2012-05-02 | 2013-11-07 | 佳駩科技有限公司 | Lamp and environmental monitoring system using same |
| CN204482080U (en) * | 2015-02-09 | 2015-07-15 | 佛山市南海舒博光电科技有限公司 | A kind of laser lamp signal processing system |
-
2015
- 2015-02-09 CN CN201510063888.8A patent/CN104640320B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101828919A (en) * | 2010-04-28 | 2010-09-15 | 上海诺诚电气有限公司 | Surface electromyographic electrode with amplifying function |
| CN102571003A (en) * | 2010-12-13 | 2012-07-11 | 深圳新飞通光电子技术有限公司 | Bias circuit of electroabsorption modulated laser |
| WO2013163890A1 (en) * | 2012-05-02 | 2013-11-07 | 佳駩科技有限公司 | Lamp and environmental monitoring system using same |
| CN203124976U (en) * | 2013-03-14 | 2013-08-14 | 武汉梅曼科技有限公司 | Welding laser intensity rectifying and filtering isolation module |
| CN204482080U (en) * | 2015-02-09 | 2015-07-15 | 佛山市南海舒博光电科技有限公司 | A kind of laser lamp signal processing system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104640320A (en) | 2015-05-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104700768B (en) | A kind of common electric voltage compensation circuit, its compensation method and display device | |
| CN105304049B (en) | A kind of liquid crystal display device and its crosstalk defect control method | |
| CN106535412A (en) | Digital-analogue dimming circuit with shared port | |
| CN203464953U (en) | Measurement system based on digital isolation | |
| CN104640320B (en) | A kind of laser lamp signal processing system | |
| CN203732610U (en) | Current detection device | |
| CN205091448U (en) | Magnetic field sensor | |
| CN208796909U (en) | One kind is for the small signal isolation control circuit of relay in number DC converter | |
| CN204482080U (en) | A kind of laser lamp signal processing system | |
| CN206759414U (en) | Single-ended analog input interface circuit | |
| CN109218916A (en) | Loudspeaker driving circuit | |
| CN206759416U (en) | Difference type analog input interface circuit | |
| CN103051163A (en) | Output signal conversion equipment of pulse width modulation rectifier and electric locomotive | |
| CN211014442U (en) | Negative voltage current detection circuit | |
| CN205921531U (en) | Converting circuit reaches industry control equipment including converting circuit | |
| CN205749881U (en) | High frequency lasers echo-signal for anti-collision system for automobile detects device | |
| CN204633725U (en) | A kind of RS485 signal isolating amplifier circuit | |
| CN105785834B (en) | Analog output card and analog output method | |
| CN204928972U (en) | Contains video signal amplifier circuit's integrated filter module in advance | |
| CN203551585U (en) | Level threshold configurable differential rotating-speed signal acquisition circuit | |
| CN103487631A (en) | Modulation-demodulation type current sensor | |
| CN206638721U (en) | Detachable type minisize dc small electric current sensor is used in the monitoring of EMUs electric-control system | |
| CN203675087U (en) | High-precision current-voltage isolated conversion module | |
| CN201827485U (en) | Device directly controlling proportional velocity regulating valve | |
| CN106100325A (en) | Change-over circuit and include the industrial control equipment of change-over circuit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |