CN204924613U - Safety arrangement of big power laser fiber optic coupling end - Google Patents
Safety arrangement of big power laser fiber optic coupling end Download PDFInfo
- Publication number
- CN204924613U CN204924613U CN201520599983.5U CN201520599983U CN204924613U CN 204924613 U CN204924613 U CN 204924613U CN 201520599983 U CN201520599983 U CN 201520599983U CN 204924613 U CN204924613 U CN 204924613U
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- power
- laser
- fiber optic
- chip microcomputer
- hygrosensor
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Abstract
The utility model discloses a safety arrangement of big power laser fiber optic coupling end belongs to laser optical fiber transmission equipment field, including temperature detect ware, spectroscope, power monitor, power meter and singlechip, the temperature detect ware sets up in the fiber optic coupling adjusting mount, the spectroscope sets up between laser instrument and fiber optic coupling adjusting mount, the power monitor sets up on spectroscopical reflected light path, the power meter sets up the output at optic fibre, temperature detect ware, power monitor and power meter pass through the wire to be connected with the singlechip, is equipped with control switch between singlechip and the laser power. The device simple structure, the optical fiber temperature of fiber optic coupling end in the time of can effectively detecting different power, the singlechip is automatic to set up alarm device with data and power - temperature standard curve contrast, and whether normal, auto -power -off when the high temperature, the effectual damage that prevents optic fibre, reduce cost if can audio -visually know the fiber optic coupling state.
Description
Technical field
The utility model belongs to laser fiber-optic transmission apparatus field, particularly relates to a kind of safety guard of high power laser coupling fiber end.
Background technology
Laser fiber-optic transmission technology is that the laser power that laser instrument exports is imported in optical fiber the technology making it transmit in a fiber.Existing coupling fiber is all be coupled by fiber coupler; and the coupling of fiber coupler is adjusted by the experience of technician and feel; or because equipment causes coupling fiber bad by External Force Acting; the coupling of optical fiber is very high to accuracy requirement; slightly deviation; the transfer efficiency of laser instrument will be caused to decline; also likely damage fiber end face; particularly when the power of laser instrument is very large; even Optical fiber plug can be burnt; cause certain economic loss, and now need to shut down replacing optical fiber, delay the production time.
Summary of the invention
In order to overcome above-mentioned the deficiencies in the prior art part; the utility model provides a kind of safety guard of high power laser coupling fiber end; this apparatus structure is simple; the power of energy Real-Time Monitoring laser instrument and the temperature of coupling mechanism; if temperature is too high; then automatic to laser instrument power-off, play the effect of the optical fiber of protection coupled end, shorten the time of the maintenance down that optical fibre damage causes.
For achieving the above object, the utility model adopts following technical scheme: a kind of safety guard of high power laser coupling fiber end, comprise hygrosensor, spectroscope, power monitor, power meter and single-chip microcomputer, described hygrosensor is arranged in coupling fiber adjustment rack, described spectroscope is arranged between laser instrument and coupling fiber adjustment rack, described power monitor is arranged on spectroscopical reflected light path, described power meter is arranged on the output terminal of optical fiber, described hygrosensor, power monitor and power meter are connected with single-chip microcomputer by wire, gauge tap is provided with between single-chip microcomputer and Laser Power Devices.
In technique scheme, described hygrosensor is the one in contact type temperature sensor or active laser hygrosensor.
In technique scheme, described single-chip microcomputer is connected with warning device by wire, and described warning device is at least one in light crossing-signal or voice guard, and described light crossing-signal is warning lamp, and described voice guard is alarm speakers.
In technique scheme, between described Laser Power Devices and single-chip microcomputer, be also provided with hand switch.
The beneficial effects of the utility model are: this apparatus structure is simple, the fiber optic temperature of optical fiber coupled end when different capacity effectively can be detected, data and power temperature typical curve contrast by single-chip microcomputer automatically, warning device is set, coupling fiber state can be got information about whether normal, the auto-breaking when temperature is too high, effectively prevents the damage of optical fiber, reduces costs.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Wherein: 1. hygrosensor, 2. spectroscope, 3. power monitor, 4. power meter, 5. single-chip microcomputer, 6. coupling fiber adjustment rack, 7. laser instrument, 8. Laser Power Devices, 9. optical fiber, 10. warning lamp, 11. alarm speakers, 12. hand switches, 13. gauge tap.
Embodiment
Below in conjunction with drawings and the specific embodiments, the utility model is described in further detail.
The safety guard of a kind of high power laser coupling fiber end as shown in Figure 1, comprise hygrosensor 1, spectroscope 2, power monitor 3, power meter 4 and single-chip microcomputer 5, described hygrosensor 1 is arranged in coupling fiber adjustment rack 6, described spectroscope 2 is arranged between laser instrument 7 and coupling fiber adjustment rack 6, described power monitor 4 is arranged on the reflected light path of spectroscope 2, described power meter 4 is arranged on the output terminal of optical fiber 9, described hygrosensor 1, power monitor 3 and power meter logical 4 are crossed wire and are connected with single-chip microcomputer 5, the Laser Power Devices 8 of laser instrument 7 to be connected with single-chip microcomputer 5 by gauge tap and to be provided with gauge tap 13 between single-chip microcomputer 5 and Laser Power Devices 8.
In technique scheme, described hygrosensor 1 is the one in contact type temperature sensor or active laser hygrosensor.
In technique scheme, described single-chip microcomputer is connected with warning device by wire, described warning device is at least one in light crossing-signal or voice guard, described light crossing-signal is warning lamp 10, described voice guard is alarm speakers 11, and described Laser Power Devices 8 are provided with hand switch 12.
When using device of the present utility model, T-W (temperature-power) typical curve is stored into single-chip microcomputer 5.(T-W (temperature-power) standard curve making method: connect this device and laser power supply 8, now laser instrument 7 is started working, what hygrosensor 1 detected is ambient temperature value, the power meter 4 of optical fiber 9 output terminal detects and obtains detection power data, these data are transferred to single-chip microcomputer 5 by wire by power meter 4, power monitor 3 monitors monitoring power data by the reflected light path of spectroscope 2 simultaneously, these data are transferred to single-chip microcomputer 5 by wire by power monitor 3, detection power value/monitoring performance number is calculated by single-chip microcomputer 5, when detection power value/monitoring performance number
>=monitor performance number when 92% as horizontal ordinate, using the temperature that now detects as ordinate, detection record calculates a point of averaging and obtaining on typical curve for three times, adjustment Laser Power Devices, repeat other point on said method acquisition typical curve.）
Connect the Laser Power Devices 8 of laser instrument 7, now laser instrument is started working, what hygrosensor 1 detected is ambient temperature value, power meter 4 on optical fiber 9 detects and obtains detection power data, these data are transferred to single-chip microcomputer 5 by guiding by power meter 4, power monitor 3 monitors monitoring power data by the reflected light path of spectroscope 2 simultaneously, these data are transferred to single-chip microcomputer 5 by wire by power monitor 3, by single-chip microcomputer 5 by detection power value/monitoring performance number, thus obtain a power ratio as horizontal ordinate, using the temperature that detects as ordinate, when this point to be in above typical curve and to exceed 2.5% of now temperature value, single-chip microcomputer 5 controls the circuit ON of warning lamp 10 and alarm speakers 11, thus send sound, light alarm, operating personnel learn that coupling fiber has problem, manually switch 12 cuts off the power supply of laser instrument 7, if operating personnel do not make power operation, when the temperature recorded be above standard temperature 3% time, single-chip microcomputer 5 cuts off the power supply of laser instrument 7 automatically by gauge tap 13, protect optical fiber 9 not damaged, personnel to be operated reclose Laser Power Devices 8 to after the adjustment of coupling fiber end, continue monitor and extract data and typical curve contrasts.Otherwise, if the coordinate points recorded is on typical curve or in the bottom time, then laser instrument 7 is coupled with optical fiber 9 well, can continuous service.
The above; be only the utility model preferably embodiment; but protection domain of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; the change that can expect easily or replacement, all should be encompassed within protection domain of the present utility model.
Claims (3)
1. the safety guard of a high power laser coupling fiber end; it is characterized in that: comprise hygrosensor, spectroscope, power monitor, power meter and single-chip microcomputer; described hygrosensor is arranged in coupling fiber adjustment rack; described spectroscope is arranged between laser instrument and coupling fiber adjustment rack; described power monitor is arranged on spectroscopical reflected light path; described power meter is arranged on the output terminal of optical fiber; described hygrosensor, power monitor and power meter are connected with single-chip microcomputer by wire, are provided with gauge tap between single-chip microcomputer and Laser Power Devices.
2. the safety guard of a kind of high power laser coupling fiber end according to claim 1, is characterized in that: described hygrosensor is the one in contact type temperature sensor or active laser hygrosensor.
3. the safety guard of a kind of high power laser coupling fiber end according to claim 1; it is characterized in that: described single-chip microcomputer is connected with warning device by wire; described warning device is at least one in light crossing-signal or voice guard; described light crossing-signal is warning lamp; described voice guard is alarm speakers, and described Laser Power Devices are provided with hand switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520599983.5U CN204924613U (en) | 2015-08-11 | 2015-08-11 | Safety arrangement of big power laser fiber optic coupling end |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520599983.5U CN204924613U (en) | 2015-08-11 | 2015-08-11 | Safety arrangement of big power laser fiber optic coupling end |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204924613U true CN204924613U (en) | 2015-12-30 |
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ID=54973729
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520599983.5U Expired - Fee Related CN204924613U (en) | 2015-08-11 | 2015-08-11 | Safety arrangement of big power laser fiber optic coupling end |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204924613U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108801600A (en) * | 2017-04-28 | 2018-11-13 | 大族激光科技产业集团股份有限公司 | A kind of fiber leaky detection device |
| CN109449725A (en) * | 2018-11-13 | 2019-03-08 | 长春理工大学 | High power fiber laser optical fiber head protective device and temperature performance optimization method |
-
2015
- 2015-08-11 CN CN201520599983.5U patent/CN204924613U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108801600A (en) * | 2017-04-28 | 2018-11-13 | 大族激光科技产业集团股份有限公司 | A kind of fiber leaky detection device |
| CN109449725A (en) * | 2018-11-13 | 2019-03-08 | 长春理工大学 | High power fiber laser optical fiber head protective device and temperature performance optimization method |
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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 |
Granted publication date: 20151230 Termination date: 20190811 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |