CN104640320A - Laser lamp signal processing system and method - Google Patents
Laser lamp signal processing system and method Download PDFInfo
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- CN104640320A CN104640320A CN201510063888.8A CN201510063888A CN104640320A CN 104640320 A CN104640320 A CN 104640320A CN 201510063888 A CN201510063888 A CN 201510063888A CN 104640320 A CN104640320 A CN 104640320A
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Abstract
The invention relates to a laser lamp signal processing system. The laser lamp signal processing system comprises a filtration module, an operation amplification module and a power module, wherein a signal input end of the filtration module is connected with a signal input end of an external ILDA (International Laser Display Association); a signal output end of the filtration module is connected with a signal input end of the operation amplification module; the filtration module is used for filtering an ILDA signal; a signal output end of the operation amplification module is connected with a signal output end of the external ILDA; a cathode wiring end of the operation amplification module is connected with the power module; the operation amplification module is used for amplifying the ILDA signal; the power module is used for supplying power to the operation amplification module. Compared with the prior art, the laser lamp signal processing system has the advantages that the signal intensity is enhanced, and the system is stable in operation.
Description
Technical field
The present invention relates to laser lamp technical field, particularly a kind of laser lamp signal processing system and method.
Background technology
The control signal of laser lamp uses the ILDA control signal of international standard, controls the brightness of laser lamp output and the work of scanning system by 0-5V voltage; Owing to being that level signal controls, therefore signal is easily interfered.When particularly holding wire is more than 20 meters, signal just there will be decay, just very serious more than 200 meters.After distance, (signal line length) laser lamp just may occur uncontrolled, pattern jitter, can not the phenomenon such as black out.
Summary of the invention
Technical problem to be solved by this invention is to provide one can filter interference signal, strengthens signal strength signal intensity, the laser lamp signal processing system of system run all right and method.
The technical scheme that the present invention solves the problems of the technologies described above is as follows: a kind of laser lamp signal processing system, comprises filtration module, operation amplifier module and power module;
Described filtration module, its signal input part is connected with exterior I LDA signal input part, and its signal output part is connected with the signal input part of described operation amplifier module, for carrying out filtering to ILDA signal;
Described operation amplifier module, its signal output part is connected with exterior I LDA signal output part, and its positive and negative terminals are connected with described power module, for amplifying ILDA signal;
Described power module, it is for powering to operation amplifier module.
The invention has the beneficial effects as follows: various interference signal is carried out filtering isolation by filtration module, operation amplifier module can strengthen signal strength signal intensity, makes laser lamp work more stable, and what can solve that laser lamp may occur when long holding wire is uncontrolled, pattern jitter, can not the phenomenon such as black out; The holding wire of length more than 600 meters can be used by strengthening signal strength signal intensity, thus extend the distance of control.
On the basis of technique scheme, the present invention can also do following improvement.
Further, described filtration module is RC filter circuit.
Further, described filtration module comprises resistance R1 ~ R2 and electric capacity C1 ~ C2, one end of described resistance R1 is connected with ILDA signal positive input terminal, one end of described resistance R2 is connected with ILDA signal negative input end, inputs common port be connected after the other end of described resistance R1 is connected with the other end of described R2 with ILDA signal; One end of described electric capacity C1 is connected with one end of resistance R1, and one end of described electric capacity C2 is connected with one end of resistance R2, and the other end of described electric capacity C1 is connected with the other end of described electric capacity C2 and is connected with the other end of described resistance R1 afterwards.
Further, the earth potential of described operation amplifier module is the earth potential of isolation DC.
Further, the input impedance of described operation amplifier module is 20M ohm.
The beneficial effect of above-mentioned further scheme is adopted to be: only to need very faint signal can be enlarged into the signal source of stronger current signal as drive laser and galvanometer.
Further, described operation amplifier module comprises the first operational amplifier and the second operational amplifier, the reverse input end of described first operational amplifier is connected with the signal positive output end of described filtration module, and the input in the same way of described first operational amplifier is connected with its output; The reverse input end of described second operational amplifier is connected with the signal negative output terminal of described filtration module, and the input in the same way of described second operational amplifier is connected with its output; Described first operational amplifier is all connected with the positive and negative terminals of described power module with the positive and negative terminals of the second operational amplifier.
Further, described power module is the full insulating power supply of DC-DC.
The beneficial effect of above-mentioned further scheme is adopted to be: directly to be isolated by the earth potential of the earth potential transmitted from signal cable and laser lamp itself, the problem of basic solution epd, the laser in protection laser lamp and other devices can not burn out because of epd; Would not occur because the swinging of signal of earth potential drift causes laser graphics to export instability like this, can not the problem such as black out and pattern deformation, further protection laser lamp and filtering interfering factor.
Further, described power module is to operation amplifier module conveying 12V voltage.
Solve the another kind of technical scheme of this technical problem:
A kind of laser lamp signal processing method, comprises the following steps:
Step S1. outside input ILDA signal, carries out filtering to ILDA signal, filtering clutter;
Filtered ILDA signal is carried out operation amplifier by step S2., exports the ILDA signal amplified.
The specific implementation of step S1: outside input ILDA signal, carries out filtering to ILDA signal, the signal of below filtering 1000Hz.
Accompanying drawing explanation
Fig. 1 is the circuit theory diagrams of a kind of laser lamp signal processing system of the present invention.
In accompanying drawing, the list of parts representated by each label is as follows:
1, filtration module, 2, operation amplifier module, the 21, first operational amplifier, the 22, second operational amplifier, 3, power module.
Embodiment
Be described principle of the present invention and feature below in conjunction with accompanying drawing, example, only for explaining the present invention, is not intended to limit scope of the present invention.
As shown in Figure 1, a kind of laser lamp signal processing system, comprises filtration module 1, operation amplifier module 2 and power module 3.
Described filtration module 1, its signal input part is connected with exterior I LDA signal input part, and its signal output part is connected with the signal input part of described operation amplifier module 2, for carrying out filtering to ILDA signal;
Described operation amplifier module 2, its signal output part is connected with exterior I LDA signal output part, and its positive and negative terminals are connected with described power module 3, for amplifying ILDA signal;
Described power module 3, it is for powering to operation amplifier module 2.
Described filtration module 1 is RC filter circuit.
Described filtration module 1 comprises resistance R1 ~ R2 and electric capacity C1 ~ C2, one end of described resistance R1 is connected with ILDA signal positive input terminal, one end of described resistance R2 is connected with ILDA signal negative input end, inputs common port be connected after the other end of described resistance R1 is connected with the other end of described R2 with ILDA signal; One end of described electric capacity C1 is connected with one end of resistance R1, and one end of described electric capacity C2 is connected with one end of resistance R2, and the other end of described electric capacity C1 is connected with the other end of described electric capacity C2 and is connected with the other end of described resistance R1 afterwards.
The earth potential of described operation amplifier module 2 is the earth potential of isolation DC.
The input impedance of described operation amplifier module 2 is 20M ohm.
Described operation amplifier module 2 comprises the first operational amplifier 21 and the second operational amplifier 22, the reverse input end of described first operational amplifier 21 is connected with the signal positive output end of described filtration module 1, and the input in the same way of described first operational amplifier 21 is connected with its output; The reverse input end of described second operational amplifier 22 is connected with the signal negative output terminal of described filtration module 1, and the input in the same way of described second operational amplifier 22 is connected with its output; Described first operational amplifier 21 is all connected with the positive and negative terminals of described power module 3 with the positive and negative terminals of the second operational amplifier 22.
Described power module 3 is the full insulating power supply of DC-DC.
Described power module 3 carries 12V voltage to operation amplifier module 2.
A kind of laser lamp signal processing method, comprises the following steps:
Step S1. outside input ILDA signal, carries out filtering to ILDA signal, filtering clutter;
Filtered ILDA signal is carried out operation amplifier by step S2., exports the ILDA signal amplified.
The specific implementation of step S1: outside input ILDA signal, carries out filtering to ILDA signal, the signal of below filtering 1000Hz.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a laser lamp signal processing system, is characterized in that: comprise filtration module (1), operation amplifier module (2) and power module (3);
Described filtration module (1), its signal input part is connected with exterior I LDA signal input part, and its signal output part is connected with the signal input part of described operation amplifier module (2), for carrying out filtering to ILDA signal;
Described operation amplifier module (2), its signal output part is connected with exterior I LDA signal output part, and its positive and negative terminals are connected with described power module (3), for amplifying ILDA signal;
Described power module (3), it is for powering to operation amplifier module (2).
2. a kind of laser lamp signal processing system according to claim 1, is characterized in that: described filtration module (1) is RC filter circuit.
3. a kind of laser lamp signal processing system according to claim 1, it is characterized in that: described filtration module (1) comprises resistance R1 ~ R2 and electric capacity C1 ~ C2, one end of described resistance R1 is connected with ILDA signal positive input terminal, one end of described resistance R2 is connected with ILDA signal negative input end, inputs common port be connected after the other end of described resistance R1 is connected with the other end of described R2 with ILDA signal; One end of described electric capacity C1 is connected with one end of resistance R1, and one end of described electric capacity C2 is connected with one end of resistance R2, and the other end of described electric capacity C1 is connected with the other end of described electric capacity C2 and is connected with the other end of described resistance R1 afterwards.
4. a kind of laser lamp signal processing system according to claim 1, is characterized in that: the earth potential of described operation amplifier module (2) is the earth potential of isolation DC.
5. a kind of laser lamp signal processing system according to claim 1, is characterized in that: the input impedance of described operation amplifier module (2) is 20M ohm.
6. a kind of laser lamp signal processing system according to claim 1, it is characterized in that: described operation amplifier module (2) comprises the first operational amplifier (21) and the second operational amplifier (22), the reverse input end of described first operational amplifier (21) is connected with the signal positive output end of described filtration module (1), and the input in the same way of described first operational amplifier (21) is connected with its output; The reverse input end of described second operational amplifier (22) is connected with the signal negative output terminal of described filtration module (1), and the input in the same way of described second operational amplifier (22) is connected with its output; Described first operational amplifier (21) is all connected with the positive and negative terminals of described power module (3) with the positive and negative terminals of the second operational amplifier (22).
7. a kind of laser lamp signal processing system according to any one of claim 1 to 6, is characterized in that: described power module (3) is the full insulating power supply of DC-DC.
8. a kind of laser lamp signal processing system according to any one of claim 1 to 6, is characterized in that: described power module (3) is to operation amplifier module (2) conveying 12V voltage.
9. a laser lamp signal processing method, is characterized in that, comprises the following steps:
Step S1. outside input ILDA signal, carries out filtering to ILDA signal, filtering clutter;
Filtered ILDA signal is carried out operation amplifier by step S2., exports the ILDA signal amplified.
10. a kind of laser lamp signal processing method according to claim 9, is characterized in that, the specific implementation of step S1: outside input ILDA signal, carries out filtering, the signal of below filtering 1000Hz to ILDA signal.
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| 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 |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510063888.8A CN104640320B (en) | 2015-02-09 | 2015-02-09 | A kind of laser lamp signal processing system |
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| CN104640320B CN104640320B (en) | 2018-07-31 |
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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 |
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| CN104640320B (en) | 2018-07-31 |
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