CN204405183U - A kind of laser power feedback device - Google Patents
A kind of laser power feedback device Download PDFInfo
- Publication number
- CN204405183U CN204405183U CN201520058565.5U CN201520058565U CN204405183U CN 204405183 U CN204405183 U CN 204405183U CN 201520058565 U CN201520058565 U CN 201520058565U CN 204405183 U CN204405183 U CN 204405183U
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- laser
- focusing lens
- laser power
- power feedback
- feedback device
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Abstract
The utility model discloses a kind of laser power feedback device, comprise reflection unit, also comprise optical filter, focusing lens, collection plate, photoelectric sensor and base, described photoelectric sensor is fixed on the surface of described collection plate, described reflection unit, optical filter, focusing lens and photoelectric sensor are successively set on the optical path direction of laser, described base comprises laser entrance aperture, cavity and the first through hole, described reflection unit, optical filter and focusing lens are arranged in described cavity, and described first through hole is arranged between described photoelectric sensor and focusing lens.This laser power feedback apparatus structure is simple, and the undulatory property of the laser collected is less.
Description
[technical field]
The utility model relates to laser field, is specifically related to a kind of laser power feedback device.
[background technology]
Laser power feedback is a kind of feedback system conventional in existing laser process equipment, and it can effectively get rid of because of power network fluctuation, and water temperature changes, the phenomenon of the laser output power instability that the problems such as xenon lamp aging cause.Conventional laser power feedback device, is incided by input laser on a unrestrained reverse side, then gathers the laser power through this unrestrained reverse side reflection, give control system, thus control Laser output through opto-electronic conversion process output real-time tele-communication number.Because the laser power collected is through irreflexive, this feedback assembly antijamming capability is not strong.
[summary of the invention]
In order to overcome the deficiencies in the prior art, the utility model provides a kind of laser power feedback device, to improve its antijamming capability.
A kind of laser power feedback device, comprise reflection unit, also comprise optical filter, focusing lens, collection plate, photoelectric sensor and base, described photoelectric sensor is fixed on the surface of described collection plate, described reflection unit, optical filter, focusing lens and photoelectric sensor are successively set on the optical path direction of laser, described base comprises laser entrance aperture, cavity and the first through hole, described reflection unit, optical filter and focusing lens are arranged in described cavity, and described first through hole is arranged between described photoelectric sensor and focusing lens.
In one embodiment, also comprise the first support, described first support is fixed in described cavity, and described reflection unit is fixed on described first support.
In one embodiment, also comprise the second support, described second support is fixed in described cavity, and described optical filter and focusing lens are fixed on described second support.
In one embodiment, the axis of described reflection unit and described optical filter and focusing lens has the angle setting size.
In one embodiment, described second support has bracket holes, and described optical filter and focusing lens are arranged in described bracket holes.
In one embodiment, described first through hole is cylindrical.
In one embodiment, described reflection unit is completely reflecting mirror or light splitting eyeglass.
In one embodiment, described laser entrance aperture becomes cylindrical.
The beneficial effects of the utility model are:
This laser power feedback apparatus structure is simple, and by adopting optical filter, parasitic light can be carried out filtering, the undulatory property of the laser that photoelectric sensor can be made to collect is less.
By adopting completely reflecting mirror, the laser of all inputs can be gathered.
[accompanying drawing explanation]
Fig. 1 is the light path schematic diagram of the laser power feedback device of a kind of embodiment of the utility model;
Fig. 2 is the structural representation of the laser power feedback device of a kind of embodiment of the utility model;
Fig. 3 is the cross-sectional schematic of the laser power feedback device of Fig. 2.
[embodiment]
Below the preferred embodiment of utility model is described in further detail.
As shown in Figures 1 to 3, a kind of laser power feedback device of embodiment, comprise reflection unit 4, optical filter 5, focusing lens 6, collection plate 7, photoelectric sensor and base 1, described photoelectric sensor is fixed on the surface of described collection plate 7, described reflection unit 4, optical filter 5, focusing lens 6 and photoelectric sensor are successively set on the optical path direction of laser, described base 1 comprises laser entrance aperture 11, cavity and the first through hole 12, described reflection unit 4, optical filter 5 and focusing lens 6 are arranged in described cavity, described first through hole 12 is arranged between described photoelectric sensor and focusing lens 6.
By increasing optical filter 5, can effective filtering parasitic light before laser converges, the undulatory property of the laser that photoelectric sensor is gathered is less.Base 1, except having good sealing, penetrates to prevent laser and works the mischief to people.Focusing lens 6 is for converging laser to photoelectric sensor, and the laser that photoelectric sensor is detected is more accurate.The optical power signals of laser is converted to electric signal by photoelectric sensor, and then through change-over circuit, is transported to control system.
Reflection unit 4 can adopt completely reflecting mirror, and by the laser reflection of input to photoelectric sensor, such photoelectric sensor can gather all laser.
Reflection unit 4 also can adopt light splitting eyeglass, and fraction of laser light is reflexed to photoelectric sensor, and such photoelectric sensor just collects fraction of laser light, can be calculated the laser energy of input by spectroscopical splitting ratio.
In one embodiment, laser power feedback device can also comprise the first support 2, and described first support 2 is fixed in described cavity, and described reflection unit 4 is fixed on described first support 2.
In one embodiment, laser power feedback device can also comprise the second support 3, and described second support 3 is fixed in described cavity, and described optical filter 5 and focusing lens 6 are fixed on described second support 3.Second support 3 has bracket holes, and optical filter 5 and focusing lens 6 are arranged in this bracket holes.
Described catoptron 4 has with the axis of described optical filter 5 and focusing lens 6 angle setting size, such as, can be 45 °, also can arrange corresponding angle according to specific needs.
Described first through hole 12 can be cylindrical, and laser entrance aperture 11 can be cylindrical, and the aperture of laser entrance aperture 11 can large than the first through hole 12.
Above content is in conjunction with concrete preferred implementation further detailed description of the utility model, can not assert that concrete enforcement of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field; without departing from the concept of the premise utility; some simple deduction or replace can also be made, all should be considered as belonging to the scope of patent protection that the utility model is determined by submitted to claims.
Claims (8)
1. a laser power feedback device, comprise reflection unit, it is characterized in that, also comprise optical filter, focusing lens, collection plate, photoelectric sensor and base, described photoelectric sensor is fixed on the surface of described collection plate, described reflection unit, optical filter, focusing lens and photoelectric sensor are successively set on the optical path direction of laser, described base comprises laser entrance aperture, cavity and the first through hole, described reflection unit, optical filter and focusing lens are arranged in described cavity, and described first through hole is arranged between described photoelectric sensor and focusing lens.
2. laser power feedback device as claimed in claim 1, it is characterized in that: also comprise the first support, described first support is fixed in described cavity, and described reflection unit is fixed on described first support.
3. laser power feedback device as claimed in claim 1, it is characterized in that: also comprise the second support, described second support is fixed in described cavity, and described optical filter and focusing lens are fixed on described second support.
4. laser power feedback device as claimed in claim 1, is characterized in that: the axis of described reflection unit and described optical filter and focusing lens has the angle setting size.
5. laser power feedback device as claimed in claim 3, is characterized in that: described second support has bracket holes, and described optical filter and focusing lens are arranged in described bracket holes.
6. laser power feedback device as claimed in claim 1, is characterized in that: described first through hole is cylindrical.
7. laser power feedback device as claimed in claim 1, is characterized in that: described reflection unit is completely reflecting mirror or light splitting eyeglass.
8. laser power feedback device as claimed in claim 1, is characterized in that: described laser entrance aperture becomes cylindrical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520058565.5U CN204405183U (en) | 2015-01-27 | 2015-01-27 | A kind of laser power feedback device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520058565.5U CN204405183U (en) | 2015-01-27 | 2015-01-27 | A kind of laser power feedback device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204405183U true CN204405183U (en) | 2015-06-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520058565.5U Expired - Fee Related CN204405183U (en) | 2015-01-27 | 2015-01-27 | A kind of laser power feedback device |
Country Status (1)
| Country | Link |
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| CN (1) | CN204405183U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106017671A (en) * | 2016-08-03 | 2016-10-12 | 深圳市创鑫激光股份有限公司 | Spectrum testing jig and system |
| 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 |
| CN107271035A (en) * | 2017-08-08 | 2017-10-20 | 温州泛波激光有限公司 | A kind of power detection device of laser |
-
2015
- 2015-01-27 CN CN201520058565.5U patent/CN204405183U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106017671A (en) * | 2016-08-03 | 2016-10-12 | 深圳市创鑫激光股份有限公司 | Spectrum testing jig and system |
| CN106017671B (en) * | 2016-08-03 | 2018-06-29 | 深圳市创鑫激光股份有限公司 | A kind of spectrum test jig and system |
| 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 |
| CN107271035A (en) * | 2017-08-08 | 2017-10-20 | 温州泛波激光有限公司 | A kind of power detection device of laser |
| CN107271035B (en) * | 2017-08-08 | 2018-08-31 | 温州泛波激光有限公司 | A kind of power detection device of laser |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170711 Address after: 518100, D building, Granville Long Industrial Zone, 16 Bei Xue Bei Road, Bantian street, Longgang District, Guangdong, Shenzhen, China Patentee after: Shenzhen City Department of Precision Laser Technology Co. Ltd. Address before: Bantian street Longgang District of Shenzhen City, Guangdong province 518100 Jihua Road No. 466 new world Huasai Industrial Area No. 1 Building No. 003 first floor Patentee before: Shenzhen Hui Neng laser Science and Technology Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180302 Address after: 045299 Yangquan City, Shanxi Province, Zhang Zhuang Town, lower horse county head village Patentee after: Shanxi Chun Ming laser Science and Technology Ltd. Address before: 518100, D building, Granville Long Industrial Zone, 16 Bei Xue Bei Road, Bantian street, Longgang District, Guangdong, Shenzhen, China Patentee before: Shenzhen City Department of Precision Laser Technology Co. Ltd. |
|
| 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: 20150617 Termination date: 20190127 |