CN202661168U - Real-time high-laser power monitoring device - Google Patents
Real-time high-laser power monitoring device Download PDFInfo
- Publication number
- CN202661168U CN202661168U CN 201220321704 CN201220321704U CN202661168U CN 202661168 U CN202661168 U CN 202661168U CN 201220321704 CN201220321704 CN 201220321704 CN 201220321704 U CN201220321704 U CN 201220321704U CN 202661168 U CN202661168 U CN 202661168U
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- optical filter
- laser power
- monitoring device
- photoresistance
- signal processing
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Abstract
The utility model discloses a real-time high-laser power monitoring device. According to the device, an optical filter (7) is arranged behind a beam splitter (13); a photoresistor (8) is arranged behind the optical filter (7); the photoresistor (8) is connected in series with a monitoring resistor (9) and is connected to two ends of a battery (12); two ends of the monitoring resistor (9) are connected with the input end of a signal processing system (10); and the output end of the signal processing system (10) is connected with a display feedback module (11). The real-time high-laser power monitoring device has the advantages of simple structure, small size and low cost.
Description
[technical field]
The utility model relates to the welding of heating with laser beam; Relate to the intensity that changes measurand, make them produce the photometric means that equivalent is answered, espespecially a kind of large laser power real-time monitoring device at monitor.
[background technology]
Laser bonding is high-speed with it, high precision and high efficiency outstanding advantages be multi-field being widely used such as electronics industry, space flight and aviation and national defense industry.In large laser bonding field, the fluctuation of laser power is very big on the impact of product quality, and it is particularly important that the real time on-line monitoring laser output power seems.
[summary of the invention]
For the disappearance of prior art, it is a kind of simple in structure that the purpose of this utility model is to provide, small volume, cheap large laser power real-time monitoring device.
The technical scheme that its technical matters that solves the utility model adopts is: a kind of large laser power real-time monitoring device is provided, it is characterized in that: include spectroscope, optical filter, photoresistance, monitoring resistor, signal processing system, demonstration feedback module and battery, it is optical filter behind the spectroscope, it is photoresistance behind the optical filter, photoresistance be connected to the battery two ends after monitoring resistor is connected, the input end of monitoring resistor two termination signal processing systems, the output termination of signal processing system shows feedback module.
Described spectroscope can be the light splitting eyeglass that is coated with the logical deielectric-coating of band of placing with laser beam angled (for example 45 °).
Described optical filter can be the 1064nm bandpass filter, i.e. the laser of transmission 1064nm ± 5nm wavelength.
Described photoresistance can be the thallium sulfide photoresistance.
The major part of testing laser is reflected by spectroscope, only small part sees through spectroscope, mating plate transmits near the laser of the wavelength of 1064nm after filtration, this Ear Mucosa Treated by He Ne Laser Irradiation is in photoresistance, change the resistance of photoresistance, thereby the magnitude of voltage on the change monitoring resistor, the magnitude of voltage on the monitoring resistor is processed through signal processing system (A/D changes and the computing of curve non-linear correction), and result's output is by showing the feedback module demonstration or feeding back to relevant devices.
The beneficial effects of the utility model are: simple in structure, and small volume, cheap.
[description of drawings]
The utility model will be further described below in conjunction with accompanying drawing.
Accompanying drawing is structural representation of the present utility model.
Among the figure: 1 is that laser head, 2 is that optical fiber, 3 is that coupling device, 4 is that folded light beam, 5 is that laser beam, 6 is that transmitted light beam, 7 is that optical filter, 8 is that photoresistance, 9 is that monitoring resistor, 10 is that signal processing system, 11 is that demonstration feedback module, 12 is that battery, 13 is spectroscope.
[embodiment]
Referring to accompanying drawing, a kind of large laser power real-time monitoring device of the utility model, it is characterized in that: include spectroscope 13, optical filter 7, photoresistance 8, monitoring resistor 9, signal processing system 10, show feedback module 11 and battery 12, it is optical filter 7 behind the spectroscope 13, it is photoresistance 8 behind the optical filter 7, photoresistance 8 be connected to battery 12 two ends after monitoring resistor 9 is connected, the input end of 9 liang of termination signal processing systems 10 of monitoring resistor, the output termination of signal processing system 10 shows feedback module 11.
In embodiment of the present utility model, described spectroscope 13 is light splitting eyeglasses that are coated with the logical deielectric-coating of band of placing with laser beam 5 angles at 45 °.
In embodiment of the present utility model, described optical filter 7 is 1064nm bandpass filters, i.e. the laser of transmission 1064nm ± 5nm wavelength.
In embodiment of the present utility model, described photoresistance 8 is thallium sulfide photoresistance.
The major part of testing laser light beam 5 is reflected by spectroscope 13, only small part sees through spectroscope 13, mating plate 7 transmits near the laser of the wavelength of 1064nm after filtration, this Ear Mucosa Treated by He Ne Laser Irradiation is in photoresistance 8, change the resistance of photoresistance 8, thereby change the magnitude of voltage on the monitoring resistor 9, after the magnitude of voltage on the monitoring resistor 9 was processed through signal processing system 10 (A/D changes and the computing of curve non-linear correction), result's output was by showing feedback module 11 demonstrations or feeding back to relevant devices.
Claims (3)
1. large laser power real-time monitoring device, it is characterized in that: include spectroscope (13), optical filter (7), photoresistance (8), monitoring resistor (9), signal processing system (10), show feedback module (11) and battery (12), optical filter (7) behind the spectroscope (13), photoresistance (8) behind the optical filter (7), photoresistance (8) be connected to battery (12) two ends after monitoring resistor (9) is connected, the input end of monitoring resistor (9) two termination signal processing systems (10), the output termination of signal processing system (10) shows feedback module (11).
2. a kind of large laser power real-time monitoring device according to claim 1 is characterized in that: described spectroscope (13) is the light splitting eyeglass that is coated with the logical deielectric-coating of band of placing with laser beam (5) angle at 45 °.
3. a kind of large laser power real-time monitoring device according to claim 1 and 2, it is characterized in that: described optical filter (7) is the 1064nm optical filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220321704 CN202661168U (en) | 2012-07-05 | 2012-07-05 | Real-time high-laser power monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220321704 CN202661168U (en) | 2012-07-05 | 2012-07-05 | Real-time high-laser power monitoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202661168U true CN202661168U (en) | 2013-01-09 |
Family
ID=47456069
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220321704 Expired - Fee Related CN202661168U (en) | 2012-07-05 | 2012-07-05 | Real-time high-laser power monitoring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202661168U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106949961A (en) * | 2017-03-22 | 2017-07-14 | 精微视达医疗科技（武汉）有限公司 | Luminous power monitoring in real time and feedback method and device |
-
2012
- 2012-07-05 CN CN 201220321704 patent/CN202661168U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106949961A (en) * | 2017-03-22 | 2017-07-14 | 精微视达医疗科技（武汉）有限公司 | Luminous power monitoring in real time and feedback method and device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130109 Termination date: 20190705 |