CN120143372A - A coupler - Google Patents
A coupler Download PDFInfo
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- CN120143372A CN120143372A CN202510617701.8A CN202510617701A CN120143372A CN 120143372 A CN120143372 A CN 120143372A CN 202510617701 A CN202510617701 A CN 202510617701A CN 120143372 A CN120143372 A CN 120143372A
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- coupler
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/42—Coupling light guides with opto-electronic elements
- G02B6/4296—Coupling light guides with opto-electronic elements coupling with sources of high radiant energy, e.g. high power lasers, high temperature light sources
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N5/00—Radiation therapy
- A61N5/06—Radiation therapy using light
- A61N5/067—Radiation therapy using light using laser light
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/94—Investigating contamination, e.g. dust
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/42—Coupling light guides with opto-electronic elements
- G02B6/4201—Packages, e.g. shape, construction, internal or external details
- G02B6/4204—Packages, e.g. shape, construction, internal or external details the coupling comprising intermediate optical elements, e.g. lenses, holograms
- G02B6/4214—Packages, e.g. shape, construction, internal or external details the coupling comprising intermediate optical elements, e.g. lenses, holograms the intermediate optical element having redirecting reflective means, e.g. mirrors, prisms for deflecting the radiation from horizontal to down- or upward direction toward a device
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/42—Coupling light guides with opto-electronic elements
- G02B6/4201—Packages, e.g. shape, construction, internal or external details
- G02B6/4219—Mechanical fixtures for holding or positioning the elements relative to each other in the couplings; Alignment methods for the elements, e.g. measuring or observing methods especially used therefor
- G02B6/422—Active alignment, i.e. moving the elements in response to the detected degree of coupling or position of the elements
- G02B6/4225—Active alignment, i.e. moving the elements in response to the detected degree of coupling or position of the elements by a direct measurement of the degree of coupling, e.g. the amount of light power coupled to the fibre or the opto-electronic element
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N5/00—Radiation therapy
- A61N5/06—Radiation therapy using light
- A61N2005/063—Radiation therapy using light comprising light transmitting means, e.g. optical fibres
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- Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
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- Life Sciences & Earth Sciences (AREA)
- Biomedical Technology (AREA)
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- General Health & Medical Sciences (AREA)
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- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
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Abstract
本发明提供一种耦合器，涉及光纤端面检测领域。该耦合器包括本体和检测装置，本体包括壳体及设于壳体内的聚焦系统，壳体出射口设有光纤接口，用于与输出头对接，输出头具有输出光纤；光纤接口与聚焦系统间具有容纳空间；检测装置包括照相机、棱镜组件和驱动组件，照相机设于壳体，用于获取输出光纤入射端面的图像；棱镜组件设于壳体内，包括支架及设于支架的棱镜，棱镜用于将输出光纤入射端面的图像传至照相机；驱动组件设于壳体，输出部与支架连接，用于驱动支架带动棱镜运动至容纳空间内或离开容纳空间。使用该耦合器时，将输出头对接至其光纤接口后，可先通过检测装置对输出光纤入射端面进行检测，确保整洁度符合要求后，再通入激光进行使用。
The present invention provides a coupler, which relates to the field of optical fiber end face detection. The coupler includes a body and a detection device. The body includes a shell and a focusing system arranged in the shell. The shell outlet is provided with an optical fiber interface for docking with an output head, and the output head has an output optical fiber; there is a storage space between the optical fiber interface and the focusing system; the detection device includes a camera, a prism assembly and a driving assembly. The camera is arranged in the shell and is used to obtain the image of the incident end face of the output optical fiber; the prism assembly is arranged in the shell, including a bracket and a prism arranged on the bracket, and the prism is used to transmit the image of the incident end face of the output optical fiber to the camera; the driving assembly is arranged in the shell, and the output part is connected to the bracket, which is used to drive the bracket to drive the prism to move into the storage space or leave the storage space. When using the coupler, after docking the output head to its optical fiber interface, the incident end face of the output optical fiber can be detected by the detection device first, and after ensuring that the cleanliness meets the requirements, the laser can be passed in for use.
Description
Technical Field
The invention relates to the technical field of optical fiber end face detection, in particular to a coupler.
Background
The coupler may be used to couple the laser light output by the laser to the treatment fiber. The end faces of the treatment fibers must be clean and dust free, otherwise burning of the optical components within the coupler is easily caused during laser treatment, and replacement or repair of the optical components is often expensive.
In the prior art, treatment optical fibers are packaged and sold in a sterile and dust-free environment. The two common situations at present are that firstly, the treatment optical fiber purchased by the person who purchases the treatment optical fiber is clean and dust-free, so that the treatment optical fiber is directly used, but the risk that the treatment optical fiber is damaged by packaging and mixed with dust exists in the transportation and carrying processes, and if the treatment optical fiber is directly used, the treatment effect is possibly affected, and the risk that the optical element of the coupler is burnt out exists. Secondly, the person who purchases the treatment optical fiber purchases an optical fiber end face detector in advance, and the optical fiber end face detector is used for detecting the optical fiber end face independently before the treatment optical fiber is used, so that the use risk is avoided, and the workload and the detection cost of a purchaser are obviously increased.
Therefore, how to ensure the end face of the treatment fiber to be clean and dust-free, and to reduce the workload and the detection cost of the purchaser remains an important point of the industry.
Disclosure of Invention
The invention aims to provide a coupler which solves the technical problems of high workload and high cost in the prior art that a detector is purchased independently for detection in order to ensure the cleanness and dust-free treatment of the end face of an optical fiber.
The invention provides a coupler, which comprises a body and a detection device, wherein the body comprises a shell and a focusing system arranged in the shell, an optical fiber interface is arranged at an emergent port of the shell and is used for being in butt joint with an output head, and the output head is provided with an output optical fiber;
The detection device comprises a camera, a prism assembly and a driving assembly, wherein the camera is arranged in the shell and is used for acquiring an image of an incident end face of the output optical fiber, the prism assembly is arranged in the shell and comprises a support and a prism arranged in the support, the prism is used for transmitting the image of the incident end face of the output optical fiber to the camera, the driving assembly is arranged in the shell, and an output part of the driving assembly is connected with the support and is used for driving the support to drive the prism to move into the accommodating space or leave the accommodating space.
Further, the detection device also comprises an illumination piece and an opaque pipeline, wherein the opaque pipeline is arranged in an extending way along the direction of emergent light of the prism, one end of the opaque pipeline is close to the reflecting surface of the prism, and the other end of the opaque pipeline is connected with the lens of the camera in a sealing way;
the illumination piece is arranged in the light-tight pipeline and is used for providing light required by shooting of the camera into the light-tight pipeline.
Further, the number of the prisms is two, the two prisms are 45-degree prisms, the prism close to the incident end face of the output optical fiber during detection is a first prism, the reflecting surface of the first prism faces the incident end face of the output optical fiber and forms an included angle of 135 degrees with the incident end face of the output optical fiber, the prism close to the driving assembly is a second prism, and the reflecting surface of the second prism faces the camera and forms an included angle of 135 degrees with a lens of the camera.
Further, the support extends perpendicular to the arrangement direction of the focusing system and the optical fiber interface, and the support is provided with a placement groove extending along the length direction of the support, and the two prisms are respectively arranged at two ends of the placement groove.
Further, the reflecting surfaces of the two prisms are arranged in parallel, and the camera and the optical fiber interface are arranged on two opposite side walls of the shell;
The support is also provided with a light channel, one end of the light channel is close to the reflecting surface of the second prism, and the other end of the light channel is connected with the light-tight pipeline and is used for transmitting the image reflected by the second prism to the light-tight pipeline and transmitting the image to the camera along the light-tight pipeline.
Optionally, the reflecting surfaces of the two prisms are arranged vertically, and the camera and the optical fiber interface are arranged on the side wall of the same side of the shell.
Optionally, the number of the prisms is one, and is 45 ° prism, and the camera is disposed on a side wall of the housing parallel to a laser transmission direction.
Further, the detection device further comprises a fixing frame and a sleeve, the fixing frame is fixedly arranged on the shell, the sleeve is arranged on the fixing frame, one end of the sleeve is connected with the light-tight pipeline in a matched mode, and the other end of the sleeve is connected with the light channel in a matched mode.
Further, the driving assembly comprises a rotating motor, and an output part of the rotating motor is fixedly connected with the bracket and coaxially arranged with the optical channel, and is used for driving the bracket to rotate so as to drive the first prism to move into the accommodating space or leave the accommodating space.
Further, the rotating motor is provided with a through hole, the rotating motor is sleeved outside the optical channel through the through hole, and the fixing part of the rotating motor is fixedly connected to the fixing frame.
Further, the main body of the camera is positioned outside the side wall of the shell, the light-tight pipeline is positioned in the shell, and the lens of the camera penetrates through the side wall of the shell and is connected with the light-tight pipeline;
and/or the illumination piece is arranged on the other side wall of the shell in a penetrating way and is connected with the light-tight pipeline.
Further, the coupler is further provided with an air pump, and an air outlet end of the air pump is communicated with the cavity in the shell and used for blowing filtered wind into the cavity so as to blow out dust in the cavity from the optical fiber interface.
Further, the air pump is arranged outside the shell.
The coupler provided by the invention has the following beneficial effects:
The coupler provided by the invention is additionally integrated with a detection device on the basis of the body of the coupler, and the detection device is used for detecting the neatness of the incident end face of the output optical fiber in the output head which is butted to the optical fiber interface of the coupler.
During detection, the detection device drives the support provided with the prism to move into the accommodating space between the optical fiber interface and the focusing system through the driving component, so that the prism faces the incident end face of the output optical fiber, the prism can change the propagation direction of light, an image of the incident end face of the output optical fiber is transmitted to the camera, after the camera shoots the image, the control module of the coupler or the control module of the laser treatment equipment can process the image acquired by the camera to judge the neatness of the incident end face of the output optical fiber, if the neatness and dustlessness are realized, the prism is driven by the driving component to leave the accommodating space, and then laser can be introduced into the coupler for use, if the neatness requirement is not met, the incident end face of the output optical fiber is required to be cleaned and detected again until the neatness requirement is met.
When the coupler provided by the invention is used, after the output head is butted to the optical fiber interface of the coupler, the incident end face of the output optical fiber of the output head can be detected through the detection device, so that the coupler can be used after ensuring that the cleanliness meets the requirements, and then the coupler is used by introducing laser, so that a detector is not required to be purchased independently, the cost is low, the detection is convenient, and the workload is small.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present invention, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of a coupler according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a partial structure of a coupler according to an embodiment of the present invention;
FIG. 3 is a schematic diagram showing a second partial structure of a coupler according to an embodiment of the present invention;
FIG. 4 is an exploded view of a portion of a coupler according to an embodiment of the present invention;
Fig. 5 is a second exploded view of a partial structure of a coupler according to an embodiment of the present invention.
Reference numerals illustrate:
100-body, 110-housing, 120-focusing system, 130-fiber interface;
200-an output head;
310-camera, 320-opaque tube, 330-illuminator, 340-holder, 350-sleeve, 360-rotary motor, 370-bracket, 371-light channel, 372-mounting groove, 381-first prism, 382-second prism;
400-air pump.
Detailed Description
In order that the above objects, features and advantages of the invention will be readily understood, a more particular description of the invention will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
In the prior art, treatment fibers are typically packaged for resale in a sterile, dust-free environment. However, since there is a risk of package breakage and contamination of the end face of the optical fiber during transportation, it is difficult for a person purchasing the treatment optical fiber to know whether the end face of the treatment optical fiber is contaminated before use, and if the end face of the treatment optical fiber is contaminated with dust but not found in advance, the optical element of the coupler is easily burned out when the laser is turned on, and the optical element of the coupler is expensive to replace and high in cost. If an optical fiber end face detector is purchased separately to perform detection before use, the cost and the workload are increased.
In order to solve the above problems, as shown in fig. 1 and 2, the present embodiment provides a coupler, wherein the coupler includes a body 100 and a detection device, the body 100 includes a housing 110 and a focusing system 120 disposed in the housing 110, an exit port of the housing 110 is provided with an optical fiber interface 130 for docking with an output head 200, the output head 200 has an output optical fiber, a receiving space is provided between the optical fiber interface 130 and the focusing system 120, the detection device includes a camera 310, a prism assembly and a driving assembly, the camera 310 is disposed in the housing 110 for acquiring an image of an incident end face of the output optical fiber, the prism assembly is disposed in the housing 110 and includes a bracket 370 and a prism disposed in the bracket 370, the prism is used for transmitting the image of the incident end face of the output optical fiber to the camera 310, and the driving assembly is disposed in the housing 110, and an output part of the driving assembly is connected to the bracket 370 for driving the prism to move into or out of the receiving space.
The coupler provided in this embodiment is additionally integrated with a detection device on the basis of the body 100 thereof, for detecting the neatness of the incident end face of the output optical fiber in the output head 200 that is butt-jointed to the optical fiber interface 130 thereof. During detection, the detection device drives the bracket 370 provided with the prism to move into the accommodating space between the optical fiber interface 130 and the focusing system 120 through the driving component, so that the prism faces the incident end face of the output optical fiber, the prism can change the light propagation direction, and therefore an image of the incident end face of the output optical fiber is transmitted to the camera 310, after the camera 310 shoots the image, the control module of the coupler or the control module of the laser treatment equipment can process the image acquired by the camera 310 to judge the cleanliness of the incident end face of the output optical fiber, if the cleanliness and dust are clean, namely the cleanliness requirement is met, the prism is driven by the driving component to leave the accommodating space, and then laser can be introduced into the coupler for use, if the cleanliness requirement is not met, the incident end face of the output optical fiber is required to be cleaned and detected again until the cleanliness requirement is met.
That is, when the coupler provided in this embodiment is used, after the output head 200 is docked to the optical fiber interface 130 thereof, the incident end face of the output optical fiber of the output head 200 can be detected by the detection device, so that after ensuring that the cleanliness meets the requirements, laser is introduced for use, and the detector is not required to be purchased independently, so that the cost is low, the detection is convenient, and the workload is small.
The control module of the coupler or the control module of the laser treatment device receives and processes the image acquired by the camera 310 to determine the neatness of the incident end face of the output optical fiber, which is a mature prior art, and will not be described herein.
In this embodiment, the "butt joint" may be a plug-in connection or may be a connection by a fixing member, for example, the butt joint of the output head 200 and the optical fiber interface 130 may be a plug-in connection of the output head 200 to the optical fiber interface 130, or may be a fixed connection of the output head 200 and the optical fiber interface 130 by a fixing member such as a clip after aligning them.
In addition, it should be noted that, in the present embodiment, the output head 200 may be a therapeutic head, that is, the output optical fiber thereof is a therapeutic optical fiber, but in other embodiments of the present application, the output head 200 may have other uses, which is not particularly limited in the present application.
Specifically, in this embodiment, as shown in fig. 2 to 5, the detection device further includes an illumination element 330 and an opaque tube 320, the opaque tube 320 is disposed along the direction of the outgoing light of the prism, one end of the opaque tube is close to the reflecting surface of the prism, and the other end of the opaque tube is in sealing connection with the lens of the camera 310, and the illumination element 330 is disposed in the opaque tube 320 and is used for providing the light required for shooting by the camera 310 into the opaque tube 320. By adopting the light-tight pipe 320, the mutual interference of the light emitted into the light-tight pipe 320 by the illuminating piece 330 and the light outside the light-tight pipe 320 can be effectively avoided, meanwhile, the interference of other structures on the camera 310 can be eliminated, the accuracy of the image acquired by the camera 310 is ensured, and the accuracy of the detection result is ensured.
Specifically, in this embodiment, as shown in fig. 4 and 5, the number of prisms is two, the two prisms are 45 ° prisms, the prism near the incident end face of the output optical fiber during detection is the first prism 381, the reflecting surface of the first prism 381 faces the incident end face of the output optical fiber and forms an angle of 135 ° with the incident end face of the output optical fiber, the prism near the driving component is the second prism 382, and the reflecting surface of the second prism 382 faces the camera 310 and forms an angle of 135 ° with the lens of the camera 310. In this arrangement, the two 45 ° prisms reflect the incident light, and the light transmission direction is 90 ° turned first and then twice, so that the light finally transmitted to the camera 310 is parallel to the laser transmission direction, or parallel to the arrangement direction of the focusing system 120 and the optical fiber interface 130, so that the camera 310 can be disposed on the side wall of the housing 110 on the same side as the optical fiber interface 130 or on the side wall opposite to the optical fiber interface 130, so that the size of the coupler along the direction perpendicular to the laser transmission direction can be reduced, and the volume of the coupler can be controlled.
More specifically, in this embodiment, as shown in fig. 4 and 5, and in combination with fig. 2, the reflecting surfaces of the two prisms are disposed in parallel, the camera 310 and the optical fiber interface 130 are disposed on two opposite sidewalls of the housing 110, and the bracket 370 is further provided with an optical channel 371, one end of which is disposed near the reflecting surface of the second prism 382, and the other end of which is connected to the opaque duct 320, for transmitting the image reflected by the second prism 382 to the opaque duct 320 and along the opaque duct 320 to the camera 310. In this arrangement, the transmission direction of the light reflected by the second prism 382 is opposite to the laser transmission direction of the coupler, and the output head 200 and the camera 310 are located on two opposite sidewalls of the housing 110, so that interference of the camera 310 on the output head 200 can be effectively avoided, and convenience is provided for laser treatment and the like by using the output head 200. The light channel 371 on the bracket 370 provides a channel for transmitting light from the second prism 382 to the light-tight tube 320, and preferably, the light channel 371 is also a light-tight channel, so that interference between the light inside and outside the light channel can be effectively avoided.
It should be noted that, in other embodiments of the present application, the reflecting surfaces of the two prisms may be disposed vertically, and in this case, the light reflected by the second prism 382 has the same transmission direction as the laser light of the coupler, and the camera 310 and the optical fiber interface 130 are disposed on the same side wall of the housing 110. It should be noted that, in other embodiments of the present application, the number of prisms is not limited to two, but may be other numbers, for example, may be one, and in this case, the camera 310 may be disposed on a side wall of the housing 110 parallel to the laser transmission direction. That is, the present application is not particularly limited in the number, form, and the like of prisms as long as the prisms can transmit an image of the incident end face of the output optical fiber of the output head 200 to the camera 310 by reflection.
In this embodiment, as shown in fig. 5 and in combination with fig. 2, the support 370 is disposed to extend perpendicular to the arrangement direction of the focusing system 120 and the optical fiber interface 130, and the support 370 is provided with a placement groove 372 extending along the length direction thereof, and two prisms are disposed at two ends of the placement groove 372, respectively. The transmission process of the image of the incident end face of the output optical fiber of the output head 200 is that the incident end face of the output optical fiber of the output head 200, the accommodating space between the incident end face and the first prism 381, the accommodating groove 372, the second prism 382, the light channel 371, the light-tight tube 320 and the camera 310.
In this embodiment, as shown in fig. 2 to 5, the detection device further includes a fixing frame 340 and a sleeve 350, the fixing frame 340 is fixedly disposed on the housing 110, the sleeve 350 is disposed on the fixing frame 340, one end of the sleeve 350 is connected with the light-tight tube 320 in a matching manner, and the other end is connected with the light channel 371 in a matching manner. In this arrangement, the holder 340 and sleeve 350 serve to hold and support the light-impermeable tube 320 and light channel 371 on both sides thereof. Of course, in other embodiments of the present application, if the opaque tube 320 and the light channel 371 are capable of being mated, the two may also be directly connected, and in that case, a support frame may be provided to support the opaque tube 320 and the light channel 371.
In this embodiment, the driving assembly includes a rotating motor 360, and an output portion of the rotating motor 360 is fixedly connected to the bracket 370 and coaxially disposed with the light channel 371, for driving the bracket 370 to rotate so as to drive the first prism 381 to move into or leave the accommodating space.
Specifically, in the present embodiment, as shown in fig. 2 and 5, the rotating electric machine 360 is provided with a through hole, the rotating electric machine 360 is sleeved outside the light channel 371 through the through hole, and the fixing portion of the rotating electric machine 360 is fixedly connected to the fixing frame 340. With the arrangement, the size of the detection device and the size of the coupler along the laser transmission direction can be greatly reduced, so that the size of the coupler is reduced.
It should be noted that, in other embodiments of the present application, the rotating electric machine 360 may be disposed on the other side of the support 370, that is, the rotating electric machine 360 and the fixing frame 340 are disposed on two sides of the support 370. That is, the specific setting position of the rotating motor 360 of the present application may not be limited as long as the bracket 370 can be driven to rotate, thereby driving the first prism 381 to move into or out of the accommodation space between the focusing system 120 and the optical fiber interface 130.
It should be further noted that, in other embodiments of the present application, the driving assembly is not limited to include the rotating motor 360, for example, the driving assembly may further include a linear motor, which can drive the support 370 into or out of the accommodating space along the length direction of the support 370. That is, the specific form of the driving assembly is not limited as long as the first prism 381 can be allowed to enter and exit the accommodation space and it can be ensured that the image of the incident end face of the output optical fiber can be transferred to the camera 310 after the first prism 381 enters the accommodation space.
In this embodiment, as shown in fig. 1 and 2, the coupler is further provided with an air pump 400, and an air outlet end of the air pump 400 is communicated with the cavity in the housing 110, so as to blow filtered air into the cavity, so as to blow out dust in the cavity from the optical fiber interface 130. By the arrangement, the interior of the shell 110 can be ensured to be clean and dust-free, so that the condition that dust in the cavity pollutes the incident end face of the output optical fiber after the output head 200 is mounted to the optical fiber interface 130 can be effectively avoided. The air pressure of the air pump 400 is not higher than 70kpa, so that the housing 110 maintains a positive pressure, and external air and dust are prevented from entering. When the output head 200 is not inserted, the air pump 400 maintains the blowing state, and after the output head 200 is mounted to the optical fiber interface 130, the air pump 400 stops blowing.
Specifically, in the present embodiment, the air pump 400 is disposed outside the housing 110, so that the air pump 400 does not occupy the space in the housing 110, thereby effectively controlling the volume of the housing 110.
In this embodiment, as shown in fig. 1 and 2, the main body of the camera 310 is located outside the side wall of the housing 110, the opaque tube 320 is located in the housing 110, the lens of the camera 310 is disposed through the side wall of the housing 110 and connected to the opaque tube 320, and the illumination element 330 is disposed through the other side wall of the housing 110 and connected to the opaque tube 320. That is, the body of the camera 310 and a portion of the illuminator 330 are both located outside the housing 110, so that the use of the space inside the housing 110 can be reduced, thereby effectively controlling the volume of the housing 110.
In summary, this embodiment provides a coupler, which is additionally provided with an integrated detection device, and can drive, by using the rotating motor 360 to drive the bracket 370 to drive the first prism 381 to enter the accommodating space between the focusing system 120 and the optical fiber interface 130 after the output head 200 is mounted to the optical fiber interface 130 of the coupler housing 110, so that the camera 310 can capture an image of the incident end face of the output optical fiber of the output head 200, and then determine the cleanliness of the incident end face of the output optical fiber by using the existing image processing technology, if the cleanliness meets the requirement, the first prism 381 can be used by laser after being withdrawn from the accommodating space, if the cleanliness does not meet the requirement, the output head 200 can be detached, and after the incident end face of the output optical fiber is cleaned, the output head 200 is mounted to the optical fiber interface 130, and after the detection passes, the coupler can be used. Therefore, the coupler provided by the embodiment can simply and conveniently detect the cleanliness of the incident end face of the output optical fiber before the coupler is used, so that the cleanliness of the coupler can meet the use requirement, the risk of burning loss of the optical element of the coupler caused by not detecting the incident end face of the output optical fiber before the coupler is used can be effectively avoided, an expensive detector is not required to be purchased independently, and the coupler is low in cost and small in workload.
Finally, it is further noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises an element.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. The coupler is characterized by comprising a body (100) and a detection device, wherein the body (100) comprises a shell (110) and a focusing system (120) arranged in the shell (110), an optical fiber interface (130) is arranged at an emergent port of the shell (110) and is used for being in butt joint with an output head (200), and the output head (200) is provided with an output optical fiber, and an accommodating space is arranged between the optical fiber interface (130) and the focusing system (120);
The detection device comprises a camera (310), a prism assembly and a driving assembly, wherein the camera (310) is arranged in the shell (110) and is used for acquiring an image of an incident end face of the output optical fiber, the prism assembly is arranged in the shell (110) and comprises a support (370) and a prism arranged in the support (370), the prism is used for transmitting the image of the incident end face of the output optical fiber to the camera (310), the driving assembly is arranged in the shell (110), and an output part of the driving assembly is connected with the support (370) and is used for driving the support (370) to drive the prism to move into the accommodating space or leave the accommodating space.
2. The coupler according to claim 1, wherein the detection device further comprises an illumination member (330) and an opaque tube (320), the opaque tube (320) being arranged to extend in the direction of the outgoing light of the prism, and having one end close to the reflecting surface of the prism and the other end in sealing connection with the lens of the camera (310);
The illumination piece (330) is arranged in the light-tight pipeline (320) and is used for providing light required by shooting of the camera (310) into the light-tight pipeline (320).
3. The coupler of claim 2, wherein the number of prisms is two, the two prisms are 45 ° prisms, the prism near the incident end face of the output fiber is a first prism (381) when detecting, the reflecting surface of the first prism (381) faces the incident end face of the output fiber and forms an angle of 135 ° with the incident end face, the prism near the driving component is a second prism (382), and the reflecting surface of the second prism (382) faces the camera (310) and forms an angle of 135 ° with the lens of the camera (310).
4. A coupler according to claim 3, wherein the bracket (370) is arranged to extend perpendicularly to the direction of arrangement of the focusing system (120) and the fiber optic interface (130), and the bracket (370) is provided with a placement groove (372) extending along its length, and two prisms are arranged at both ends of the placement groove (372), respectively.
5. The coupler according to claim 3 or 4, wherein the reflecting surfaces of two of said prisms are arranged in parallel, said camera (310) and said fiber interface (130) being arranged at opposite side walls of said housing (110);
the bracket (370) is further provided with a light channel (371), one end of the light channel (371) is close to the reflecting surface of the second prism (382), and the other end of the light channel is connected with the light-tight pipeline (320) and is used for transmitting the image reflected by the second prism (382) to the light-tight pipeline (320) and transmitting the image to the camera (310) along the light-tight pipeline (320).
6. The coupler of claim 5, wherein the detection device further comprises a fixing frame (340) and a sleeve (350), the fixing frame (340) is fixedly arranged on the housing (110), the sleeve (350) is arranged on the fixing frame (340), one end of the sleeve (350) is in matching connection with the light-tight pipeline (320), and the other end of the sleeve is in matching connection with the light channel (371).
7. The coupler according to claim 6, wherein the driving assembly comprises a rotating motor (360), and an output part of the rotating motor (360) is fixedly connected with the bracket (370) and coaxially arranged with the light channel (371), and is used for driving the bracket (370) to rotate so as to drive the first prism (381) to move into the accommodating space or move out of the accommodating space.
8. The coupler according to claim 7, wherein the rotating electric machine (360) is provided with a through hole, the rotating electric machine (360) is sleeved outside the optical channel (371) through the through hole, and a fixing portion of the rotating electric machine (360) is fixedly connected to the fixing frame (340).
9. The coupler of claim 2, wherein the body of the camera (310) is located outside the side wall of the housing (110), the light-tight duct (320) is located inside the housing (110), and the lens of the camera (310) is inserted through the side wall of the housing (110) and connected to the light-tight duct (320);
And/or the lighting piece (330) is penetrated through the other side wall of the shell (110) and is connected with the light-tight pipeline (320).
10. The coupler according to claim 1, characterized in that it is further provided with an air pump (400), the air outlet end of the air pump (400) being in communication with the cavity in the housing (110) for blowing filtered air into the cavity to blow dust in the cavity out of the fiber interface (130).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202510617701.8A CN120143372B (en) | 2025-05-14 | 2025-05-14 | A coupler |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202510617701.8A CN120143372B (en) | 2025-05-14 | 2025-05-14 | A coupler |
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| CN120143372B CN120143372B (en) | 2025-07-18 |
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| US20190391041A1 (en) * | 2018-06-22 | 2019-12-26 | Exfo Inc. | Optical fiber endface inspection with optical power measurement |
| CN113959681A (en) * | 2021-09-24 | 2022-01-21 | 山东大学 | A kind of semiconductor laser fiber coupling output spot detection device and method for end face pumping |
| CN217521026U (en) * | 2020-09-21 | 2022-09-30 | 泛达公司 | Inspection device |
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| CN203399115U (en) * | 2013-05-03 | 2014-01-15 | (株)韩国一诺仪器株式会社 | Optical cable general detection device with fiber end face detection function |
| US20150092043A1 (en) * | 2013-09-27 | 2015-04-02 | Exfo Inc. | Multiple-fiber connector inspection |
| CN104516059A (en) * | 2013-09-27 | 2015-04-15 | 爱斯福公司 | Multiple-fiber connector inspection |
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| CN120143372B (en) | 2025-07-18 |
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