CN2769904Y - Laser optical fiber protection structure - Google Patents
Laser optical fiber protection structure Download PDFInfo
- Publication number
- CN2769904Y CN2769904Y CN 200520005305 CN200520005305U CN2769904Y CN 2769904 Y CN2769904 Y CN 2769904Y CN 200520005305 CN200520005305 CN 200520005305 CN 200520005305 U CN200520005305 U CN 200520005305U CN 2769904 Y CN2769904 Y CN 2769904Y
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- optical fiber
- laser
- conductive structure
- fiber
- telemetry circuit
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Abstract
The utility model relates to a laser protection structure of an optical fiber, which comprises the optical fiber and a laser source which is connected with the optical fiber, wherein the optical fiber is coated with a conductive structure; both ends of the conductive structure are connected with a measuring and controlling circuit which controls the disconnection of the laser source to form a conductive loop; the measuring and controlling circuit is connected with the laser source. Therefore, the laser protection structure for the optical fiber of the utility model can cut off the laser source of the optical fiber when the optical fiber is broken, can send out a warning, and can also compute the usage time of the optical fiber and accumulate the transmitted laser energy; when the usage time of the optical fiber or accumulated transmitted laser energy arrives, the utility model cuts off the laser source of the optical fiber.
Description
Technical field
The utility model relates to a kind of laser fiber protection structure, the laser fiber that uses in especially a kind of medical treatment protection structure.
Background technology
Laser has high brightness (high power) property and high directivity (forming high power density/high-energy-density), and laser is easy to control and light is focused on a bit, and the laser of some wavelength can also be used fiber optic transmission, imports light into body cavity.Laser also has characteristics such as monochromaticity (selectivity that is beneficial to different material absorbs) and coherence, makes laser obtain widespread use in medical science.Wherein most of medical applications are that the thermal effect of utilizing laser energy is solidified, carbonization, vaporization tissue, when injected organism tissue is melted or cut and reach the purpose of treatment.Implement treatment on the target spot that utilizes light transmitting fiber that the high power or the high energy laser of some wavelength is transferred to tissue, can simplify optical transmission system, do not need baroque mechanical articulate arm, and optical fiber is easy to use flexibly, volume is little, diameter can be imported laser in the body cavity by endoscope and treat generally below 2 millimeters.
Medical laser light transmitting fiber at present commonly used has two kinds, a kind ofly makes core diameter with quartz, and outer bag is with the little optical medium of refractive index, and light incides the interface of optically thinner medium from optically denser medium, the total reflection that just produces light during greater than critical angle when incident angle.Enter fibre-optic laser and on the interface, produce total reflection repeatedly, thus transmission laser.In order to protect optical fiber easy to break, wrap with the rubber-like plastics outside again increases its intensity.The fibre-optic core diameter of medical laser generally arrives 0.6mm at 0.2mm.Another kind is the hollow light guide fiber, makes the hollow tubing conductor of core diameter a few tenths of a mm by optical material, and the inwall plating is with the highly reflecting films to transmission optical maser wavelength, makes laser carry out reflection repeatedly on inwall and transmits laser.In order to protect optical fiber to overlap outside usually with the stainless-steel tube of diameter less than 2mm.
But be that silica fibre or hollow light guide fiber all are easy to fracture, although taked safeguard measure, the generation that fractures is still unavoidable, and high power or high energy laser will may cause the unexpected injury of the person and equipment from the ejaculation that fractures.And the present laser medical optical fiber safeguard measure of all not taking the optical fiber accident to fracture, and can not calculate the mission life of optical fiber or the laser energy that this optical fiber conducted.
The utility model content
The purpose of this utility model is when optical fiber fractures, cut off the lasing light emitter of optical fiber, and give the alarm, and can calculate the service time of optical fiber and the laser energy of accumulative total transmission, when the laser energy of service time of optical fiber or accumulative total transmission arrives, cut off the lasing light emitter of optical fiber.
For achieving the above object; the utility model provides a kind of laser fiber protection structure; comprise optical fiber and the lasing light emitter that is connected with optical fiber; be coated with conductive structure on the described optical fiber; the two ends of this conductive structure are connected with the telemetry circuit that a control lasing light emitter disconnects; form a galvanic circle, described telemetry circuit is connected with described lasing light emitter.
The two ends of described conductive structure are connected by a chip that can calculate optical fiber service time and laser energy that optical fiber conducts with telemetry circuit.Described optical fiber and lasing light emitter are of coupled connections by fiber coupler, and described conductive structure is connected at the fiber coupler place with telemetry circuit.Described conductive structure is an one metal wire, and non-intersect.Described conductive structure is the one metal wire with insulation course.Described conductive structure is a conducting resinl, and non-intersect.Described conductive structure is a strip metal film, and non-intersect.Described conductive structure is with the isolated double layer of metal film of insulation course, and the electrical connection of an end of this double layer of metal film, and the other end of double layer of metal film connects into a galvanic circle with described testing circuit respectively.Described insulation course is a hollow insulation tube, and is enclosed within described outer fiber, and length is slightly shorter than described optical fiber.The warning horn that described telemetry circuit gives the alarm when also being connected with and opening circuit in described galvanic circle.
Therefore; the utility model laser fiber protection structure can fracture conductive structure and make the observing and controlling loop form open circuit when optical fiber fractures; and then cut off the lasing light emitter of optical fiber by telemetry circuit; and give the alarm; and can calculate the service time of optical fiber and the laser energy of accumulative total transmission, when arriving, the laser energy of service time of optical fiber or accumulative total transmission cuts off the lasing light emitter of optical fiber.
Below in conjunction with drawings and Examples, the technical solution of the utility model is described in further detail.
Description of drawings
Fig. 1 is the structural representation of an embodiment of the utility model laser fiber protection structure.
Fig. 2 is another structural representation of an embodiment of the utility model laser fiber protection structure.
Fig. 3 is the structural representation of conducting resinl for the conductive structure of the utility model laser fiber protection structure.
Fig. 4 is the structural representation of another embodiment of the utility model laser fiber protection structure.
Fig. 5 is the sectional view of another embodiment of the utility model laser fiber protection structure.
Fig. 6 is the structural representation of another embodiment of the utility model laser fiber protection structure.
Embodiment
Inventive concept of the present utility model is that electric installation is set on existing fiber, and optical fiber is monitored in real time, in case optical fiber ruptures, pilot signal will cut off lasing light emitter immediately, avoid laser emission infringement to external world, and send warning.
As shown in Figure 1, be the structural representation of an embodiment of the present utility model, the outer felt of optical fiber 1 around and paste one about 50 microns bifilar tinsel 6, but tinsel 6 is non-intersect; One end of optical fiber 1 coupling mechanism has an insulation snap ring 2, and the two ends of tinsel 6 are welded on two solder joints 20 of snap ring 2 both sides.The outside of fiber coupler seat 4 connects lasing light emitter 3, and coupling mechanism seat 4 has two solder joints 40 and is connected with telemetry circuit 5, and telemetry circuit 5 also is connected with alarm 7.When optical fiber 1 inserted fiber coupler seat 4, two solder joints 20 of snap ring 2 contacted with two solder joints 40 of coupling mechanism seat 4, and the two ends of tinsel 6 and telemetry circuit 5 circuit turn-ons form loop (as shown in Figure 2).
Tinsel 6 can have insulation course, and can intersect in the outside of optical fiber 1.Tinsel 6 can also replace (as shown in Figure 3) with conductive metal film or conducting resinl 9 of a narrower in width, all cannot intersect in the outside of optical fiber 1 certainly.
Shown in Fig. 4 and Fig. 5 sectional view, perhaps utilize an insulated hollow sleeve pipe 10 slightly thicker to be enclosed within on the optical fiber than optical fiber 1 external diameter, sleeve pipe 10 outsides have outer conductive film 100, the inboard has internal layer conducting film 101, the top of one side sleeve pipe 10 also is coated with conducting film to keep the conducting of outer conductive film 100 and internal layer conducting film 101, and sleeve pipe 10 other end internal layer conducting films 101 are connected with telemetry circuit 5 with outer conductive film 100.Sleeve pipe is also fractureed when optical fiber 1 fractures, the not conducting of inside and outside conducting film, and formation is opened circuit, and telemetry circuit 5 utilizes chopping signal to cut off lasing light emitter 3, and laser stops radiation, and opens alarm 7 and report to the police.
As shown in Figure 6, structural representation for another embodiment of the utility model, optical fiber 1 is connected with lasing light emitter 3 couplings by fiber coupler 2, the outer felt of optical fiber 1 around and paste one about 50 microns bifilar tinsel 6, but tinsel 6 is non-intersect, the two ends of tinsel 6 are connected by chip 8 with telemetry circuit 5, and the signal in the tinsel 6 is gathered by chip 8 and is transferred to telemetry circuit 5.Telemetry circuit 5 also is connected with alarm 7.In chip 8, can store the mission life of optical fiber and the laser energy value that can transmit, when optical fiber 1 be coupled and chip 8 with after telemetry circuit is connected 5, laser instrument can work and export laser and treat.In chip 8 the fiber work life time of record arrive or the laser energy value transmit then, chip 8 can be declared optical fiber 1 end-of-life by telemetry circuit 5 cut-out lasing light emitters 3, and the disposable use of optical fiber is achieved.
If optical fiber 1 fractures in use, tinsel 6 is also fractureed, also can be fused in moment even without fractureing by the laser that optical fiber 1 place of fractureing penetrates, the loop is formed opens circuit, utilize chopping signal telemetry circuit 5 that lasing light emitter 3 is cut off, laser emission is ended, and telemetry circuit 5 is opened alarm 7 warnings simultaneously.Thereby the infringement that the laser that has prevented ejaculation when optical fiber 1 fractures produces, and the warning of can reporting to the police.
It should be noted last that, above embodiment is only unrestricted in order to the explanation the technical solution of the utility model, although the utility model is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement the technical solution of the utility model, and not breaking away from the spirit and scope of technical solutions of the utility model, it all should be encompassed in the middle of the claim scope of the present utility model.
Claims (10)
1, a kind of laser fiber protection structure; comprise optical fiber and the lasing light emitter that is connected with optical fiber; it is characterized in that: be coated with conductive structure on the described optical fiber; the two ends of this conductive structure are connected with the telemetry circuit that a control lasing light emitter disconnects; form a galvanic circle, described telemetry circuit is connected with described lasing light emitter.
2, laser fiber protection structure according to claim 1, it is characterized in that: the two ends of described conductive structure are connected by a chip that can calculate optical fiber service time and laser energy that optical fiber conducts with telemetry circuit.
3, laser fiber protection structure according to claim 1, it is characterized in that: described optical fiber and lasing light emitter are of coupled connections by fiber coupler, and described conductive structure is connected at the fiber coupler place with telemetry circuit.
4, according to claim 1,2 or 3 described laser fiber protection structures, it is characterized in that: described conductive structure is an one metal wire, and non-intersect.
5, according to claim 1,2 or 3 described laser fiber protection structures, it is characterized in that: described conductive structure is the one metal wire with insulation course.
6, according to claim 1,2 or 3 described laser fiber protection structures, it is characterized in that: described conductive structure is a conducting resinl, and non-intersect.
7, according to claim 1,2 or 3 described laser fiber protection structures, it is characterized in that: described conductive structure is a strip metal film, and non-intersect.
8, according to claim 1,2 or 3 described laser fiber protection structures; it is characterized in that: described conductive structure is for using the isolated double layer of metal film of insulation course; and an end of this double layer of metal film is electrically connected, and the other end of double layer of metal film connects into a galvanic circle with described testing circuit respectively.
9, laser fiber protection structure according to claim 8, it is characterized in that: described insulation course is a hollow insulation tube, and is enclosed within described outer fiber, length is slightly shorter than described optical fiber.
10, according to claim 1,2 or 3 described laser fibers protection structures, it is characterized in that: the warning horn that described telemetry circuit gives the alarm when also being connected with and opening circuit in described galvanic circle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520005305 CN2769904Y (en) | 2005-03-03 | 2005-03-03 | Laser optical fiber protection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520005305 CN2769904Y (en) | 2005-03-03 | 2005-03-03 | Laser optical fiber protection structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2769904Y true CN2769904Y (en) | 2006-04-05 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520005305 Expired - Fee Related CN2769904Y (en) | 2005-03-03 | 2005-03-03 | Laser optical fiber protection structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2769904Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105116483A (en) * | 2015-08-20 | 2015-12-02 | 厦门市和奕华光电科技有限公司 | Optical fiber fuse protection system and method |
| CN105223643A (en) * | 2015-10-30 | 2016-01-06 | 厦门市和奕华光电科技有限公司 | Optical fiber fusing protection system and method |
| 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 |
| TWI763138B (en) * | 2020-11-24 | 2022-05-01 | 台達電子工業股份有限公司 | Optical fiber protection system |
| US11703650B2 (en) | 2020-11-24 | 2023-07-18 | Delta Electronics, Inc. | Optical fiber protection system |
-
2005
- 2005-03-03 CN CN 200520005305 patent/CN2769904Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105116483A (en) * | 2015-08-20 | 2015-12-02 | 厦门市和奕华光电科技有限公司 | Optical fiber fuse protection system and method |
| CN105223643A (en) * | 2015-10-30 | 2016-01-06 | 厦门市和奕华光电科技有限公司 | Optical fiber fusing protection system and method |
| 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 |
| TWI763138B (en) * | 2020-11-24 | 2022-05-01 | 台達電子工業股份有限公司 | Optical fiber protection system |
| US11703650B2 (en) | 2020-11-24 | 2023-07-18 | Delta Electronics, Inc. | Optical fiber protection system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060405 Termination date: 20130303 |