CN205898703U - Optical fibre end face surveymeter - Google Patents

Abstract

An optical fiber end face detector, comprising a focus adjustment system, an imaging display system and an outer frame; the focus adjustment system is electrically connected to the imaging display system; the imaging display system is installed on the outer frame; the focus adjustment system includes an adjuster, a movable adjustment sleeve and the imaging lens barrel; the adjuster, the movable adjusting sleeve and the imaging lens barrel are sequentially connected on the same axis; the optical lens is arranged in the movable adjusting sleeve; the reflective lens is arranged in the imaging lens barrel; a visible laser source is also included, and the visible The laser source is mounted on the outer frame. The utility model has the advantages of integration, stable performance, convenient operation, clear detection of defects on the end faces of various optical fiber products, rapid and accurate discovery of quality problems on the end faces of products, improved work efficiency, and reduced update costs of consumables for enterprises. The frame can effectively prevent the external signal from interfering with the imaging signal and transmission signal. The installed visible laser source can troubleshoot the entire optical fiber without changing the machine again, which is easy to operate.

Description

Optical fiber end face detector

technical field

The utility model relates to the technical field of optical fiber detection, in particular to an optical fiber end face detector.

Background technique

Optical fiber transmission has the advantages of wide transmission frequency, large communication capacity, low loss, no electromagnetic interference, and light weight, so the application of optical fiber is becoming more and more extensive. However, as a high-precision transmission medium, the optical fiber has high technological requirements, and the surface requirements for the end face of the optical fiber connector are also getting higher and higher. On-site testing of optical fibers is often required at the production site and maintenance site

At present, the instruments used for optical fiber end-face inspection are mainly composed of electron microscopes, external or built-in display screens, and several circuits. The characteristics are that the fine-tuning of the electron microscope is inconvenient and the display screen is not clear enough or has many noises. Inaccurate and inconvenient quality testing of products or equipment in use will not only affect work efficiency, but will even cause poor optical data transmission, bringing great inconvenience and even loss to users.

Utility model content

The main purpose of the utility model is to provide a precise fine-tuning, convenient operation and accurate detection of optical fiber end face detector.

In order to achieve the above object, the utility model proposes the following scheme:

An optical fiber end face detector, characterized in that it includes a focus adjustment system, an imaging display system and an outer frame; the end face of an optical fiber is observed through the focus adjustment system, and the focus adjustment system is electrically connected to the imaging display system; the imaging The display system is installed on the outer frame; the focus adjustment system includes an adjuster, a movable adjustment sleeve and an imaging lens barrel; the adjuster, the movable adjustment sleeve and the imaging lens barrel are sequentially connected on the same axis; An optical lens is arranged in the movable adjustment sleeve; a reflective lens is arranged in the imaging lens barrel.

Further, the focus adjuster includes a first adapter, an adapter frame, a dust cover, a ring-type focus adjustment ring and an adjustment screw; the adapter frame is a cavity with openings at both ends; the adapter frame is away from The first adapter is installed on one side of the movable adjustment sleeve, and the dust cover and the ring-type focusing ring are installed in sequence at the opening on the other side; the side wall of the adapter frame is provided with a threaded through hole, The adjusting screw is installed in the threaded through hole, and the radially upward position of the first adapter in the adapter frame is adjusted through the adjusting screw.

Further, the threaded through holes include two, and the two threaded through holes are arranged at 90 degrees.

Further, the end surface of the first adapter close to the movable adjustment sleeve is a circular platform, and the center of the circular platform is provided with a boss, and the boss is provided with an adapter hole of the first adapter .

Further, a detachable ceramic sleeve is arranged inside the first adapter.

Further, the imaging display system includes a CCD photosensitive board, a driving board and a liquid crystal screen; the CCD photosensitive board is electrically connected to the driving board, and the driving board is electrically connected to the liquid crystal screen; the liquid crystal screen is A high-definition liquid crystal screen, the high-definition liquid crystal screen is installed and fixed on the outer frame.

Further, a visible laser source is also included, and the visible laser source is installed on the outer frame.

Further, the visible laser source includes a second adapter and a laser head, the second adapter is connected to an optical fiber plug, and the laser head emits laser light to the end face of the optical fiber.

Further, the outer frame material is made of aluminum alloy.

The beneficial effect of the utility model is that the utility model is integrated, stable in performance, easy to operate, and can clearly detect defects on the end faces of various optical fiber products. Through the cooperation of the precision focus regulator and the imaging display system, the product can be quickly and accurately found The quality of the end face can improve work efficiency, and the adapter of the ceramic sleeve can reduce the update cost of the consumables of the enterprise. At the same time, the aluminum alloy frame is used to effectively prevent the interference of external signals on the imaging signal and transmission signal, and a visible laser is also installed. The source can directly troubleshoot the entire optical fiber without changing the machine again, which is easy to operate.

Description of drawings

Fig. 1 is a combination schematic diagram of a focus adjustment system of a preferred embodiment of the present invention;

Fig. 2 is an exploded schematic diagram of the focus adjustment system of a preferred embodiment of the present invention;

Fig. 3 is a schematic diagram of an outer frame of a preferred embodiment of the present invention.

The realization of the purpose of the utility model, functional characteristics and advantages will be further described in conjunction with the embodiments and with reference to the accompanying drawings.

detailed description

It should be understood that the specific embodiments described here are only used to explain the utility model, and are not intended to limit the utility model.

As shown in Figures 1, 2 and 3, a kind of optical fiber end face detector of a preferred embodiment of the present invention is proposed, including a focus adjustment system, an imaging display system and an outer frame 20; the end face of an optical fiber is observed through the focus adjustment system, and the focus adjustment system The imaging display system is electrically connected; the imaging display system is installed on the outer frame 20; the focus adjustment system includes an adjuster, a movable adjustment sleeve and an imaging lens barrel; the adjuster, a movable adjustment sleeve 7 and an imaging lens barrel 11 They are sequentially connected on the same axis; an optical lens is arranged in the movable adjustment sleeve 7 ; and a reflective lens 12 is arranged in the imaging lens barrel 11 . In this embodiment, the required optical fiber end face is detected by the focus adjuster, and the focus adjustment system is electrically connected to the imaging display system, so that the optical fiber end face to be detected can display a clear image in the imaging display system, and the required detection can be judged. The quality of the end face.

As shown in Figures 1 and 2, in this embodiment, the focus adjuster includes a first adapter 1, an adapter frame 2, a dust cover 4, a ring-type focus adjustment ring 5 and an adjustment screw 3; the adapter frame 2 is A cavity with openings at both ends; the first adapter 1 is installed on the side of the adapter frame 2 far away from the movable adjustment sleeve 7, and the dust cover 4 and the ring-type focus ring 5 are successively installed at the opening on the other side; the adapter frame 2 There are threaded through holes on the side wall, including two threaded through holes, the two threaded through holes are set at 90 degrees, and an adjusting screw 3 is installed in the threaded through hole, and the first adapter 1 is adjusted in the adapter frame 2 through the adjusting screw 3 radially upward position. In this embodiment, the first adapter 1 is installed on the side of the adapter frame 2 away from the movable adjustment sleeve 7, and the dust cover 4, the ring-type focus ring 5, the fixed ring 6, and the movable adjustment sleeve are successively installed on the other side. 7. Adjusting rotary sleeve 8, flange fixing sleeve 9, nut ring 10 and lens barrel 11, the movable adjustment sleeve 7 has a built-in optical lens, and the lens barrel 11 is equipped with a reflective lens 12 and an LED lamp holder 13. The tolerance of all accessories is Plus or minus 0.02mm, and connected with each other. The boss of the first adapter 1 is provided with an external thread, which is adapted to the internal thread of the adapter frame 2. The first adapter is rotated and fixed on the adapter frame 2. Insert the optical fiber plug to be detected on the inner hole of the adapter 1, and adjust the screw 2. You can slightly adjust the direction of the X-axis and Y-axis of the optical fiber plug, adjust the swivel 9 to adjust the direction of the Z-axis, and adjust the ring-type focus ring 6 until the image is clear, so that you can quickly and accurately find the quality problems of the fiber end face to be inspected. Simple operation, improve work efficiency. In another embodiment, the first adapter 1 can also be locked and fixed on the adapter frame 2 by setting screws on the side away from the movable adjustment sleeve 7, and adjusting the adjusting screw 2 and the adjusting knob 9 to adjust the X-axis, The direction of the Y-axis and the Z-axis is adjusted by adjusting the ring-type focus ring 6 until the image is clear, and the quality problem of the optical fiber end face to be inspected can also be found quickly and accurately, and the operation is simple and the work efficiency is improved.

As shown in Figure 2, in this embodiment, the end surface of the first adapter 1 close to the movable adjustment sleeve 7 is a round platform, and the center of the round platform is provided with a boss, and the boss is provided with the first adapter 1. Adapting hole; the side of the adapter frame 2 away from the movable adjustment sleeve 7 is installed on the side of the boss of the first adapter 1, and a detachable ceramic sleeve is arranged in the first adapter 1, and the ceramic sleeve is stuck on the side of the first adapter 1 In the adapter hole, when testing the optical fiber, the fiber head to be tested is covered with another ceramic sleeve, and the other ceramic sleeve wraps the fiber head tightly, and is adapted to the adapter hole for installing the ceramic sleeve, which is convenient for optical fiber The insertion and detection of the head is embedded with a detachable ceramic sleeve, which reduces the cost of updating consumables for the enterprise.

In this embodiment, the above-mentioned imaging display system includes a CCD photosensitive plate, a driving board and a liquid crystal screen; the CCD photosensitive plate adopts imported high-quality photosensitive components and chips, and the CCD photosensitive plate is electrically connected to the liquid crystal screen through the driving board; the liquid crystal screen A high-definition liquid crystal screen with a resolution of 1080P is adopted and fixed on the outer frame 20 . Through high-resolution imaging and high-definition display, the operator can quickly make judgments during the inspection process, and it is not easy to cause visual fatigue.

In this embodiment, a visible laser source is also included, and the visible laser source is installed on the outer frame 20 . The visible laser source includes a second adapter and a laser head. The second adapter is connected to the fiber plug. The laser head emits laser light to the end face of the fiber and can pass through the entire fiber to be detected. If a point of the fiber is disconnected, the A bright spot will be displayed to inform the operator of the obstacle here, and the entire optical fiber can be directly searched for optical fiber faults. After the end face of the optical fiber is inspected, the entire optical fiber can be inspected without changing the machine again, which is easy to operate.

In this embodiment, the above-mentioned outer frame 20 is made of aluminum alloy, and the inclination angle of the front panel of the outer shell 20 conforms to human mechanics for convenient operation. The instrument is light and easy.

As shown in Figure 3, in this embodiment, the front surface of the outer frame 20 is provided with a liquid crystal screen opening 21, a button hole 22, a precision focus regulator hole 23, and a visible laser source hole 24; There is a memory card hole on the top, and the installed memory card can store the pictures of the end surface imaging; the high-definition LCD screen is fixed at 21 openings of the LCD screen, and the displayed image can be clearly viewed; the precision focus adjuster is rotated in the precision focus adjustment On the hole 23, insert the fiber plug on the first adapter 1, the fiber plug to be detected can be observed, and the image of the end face to be observed can be made clear by adjustment; the second adapter and the laser head are installed in the visible laser source hole 24, plug the optical fiber plug on the second adapter to detect the entire optical fiber that needs to be detected. After detecting the end face of the optical fiber, the entire optical fiber can be detected without changing the machine again, which is easy to operate. The button hole 22 is provided with a switch button, a setting button, a menu button, an up button and a down button. By controlling the buttons, the brightness and color of the display screen can be adjusted, so that when the operator observes the screen, long-term use is not easy to cause visual fatigue.

The optical fiber end face detector in this embodiment is integrated, has stable performance, is easy to operate, and can clearly detect defects on the end faces of various optical fiber products. Through the cooperation of the precision focus adjuster and the imaging display system, it can quickly and accurately find defects on the end faces of products. Quality issues, improve work efficiency, use adapters with ceramic sleeves, reduce the cost of updating consumables for enterprises, and use aluminum alloy frames to effectively prevent external signals from interfering with imaging signals and transmission signals, and install a visible laser source, Troubleshooting can be performed on the entire optical fiber directly, without changing the machine again, and the operation is convenient.

The above is only a preferred embodiment of the utility model, and does not limit the patent scope of the utility model. Any equivalent structure or equivalent process conversion made by using the specification of the utility model and the contents of the accompanying drawings may be directly or indirectly used in Other relevant technical fields are all included in the patent protection scope of the present utility model in the same way.

Claims (9)

1. a kind of optical fiber end face detector is it is characterised in that include focus adjustment, imaging display system and housing；Pass through Described focus adjustment observes fiber end face, and described focus adjustment is electrically connected with described imaging display system；Described one-tenth As display system is mounted on described housing；

Described focus adjustment includes actuator, activity adjustment sleeve and imaging lens barrel；Described actuator, activity adjustment set Cylinder and imaging lens barrel are sequentially connected on the same axis；

Setting optical lens in described activity adjustment sleeve；It is provided with reflex reflector lens in described imaging lens barrel.

2. optical fiber end face detector according to claim 1 it is characterised in that described focal adjustment device include first fit Orchestration, adaptation frame, dust cover, ring type focal adjustment ring and adjusting screw rod；

Described adaptation frame is the cavity of both ends open；Described adaptation frame installs described the away from the side of described activity adjustment sleeve One adapter, is sequentially installed with described dust cover, ring type focusing ring at another side opening；

It is provided with tapped through hole on the side wall of described adaptation frame, described adjusting screw rod is installed, by adjusting in described tapped through hole Screw rod adjusts described first adapter in adaptation inframe position radially upward.

3. optical fiber end face detector according to claim 2 is it is characterised in that described tapped through hole includes two, two Tapped through hole is in 90 degree of settings.

4. the optical fiber end face detector according to Claims 2 or 3 is it is characterised in that described first adapter is near described One side end face of activity adjustment sleeve is circle platform, and the center of described round platform is provided with boss, and described boss is provided with The mating hole of described first adapter.

5. optical fiber end face detector according to claim 4 is it is characterised in that arrange detachable in described first adapter Porcelain bushing.

6. optical fiber end face detector according to claim 1 is it is characterised in that described imaging display system includes ccd Photographic plate, driving plate and liquid crystal display screen；

Described ccd photographic plate is electrically connected with described driving plate, and described driving plate is electrically connected with described liquid crystal display screen；

Described liquid crystal display screen is high-definition liquid crystal screen, and described high-definition liquid crystal screen is fixed on described housing.

7. optical fiber end face detector according to claim 1 is it is characterised in that also including visual laser source, described visual Lasing light emitter is arranged on described housing.

8. optical fiber end face detector according to claim 7 is it is characterised in that described visual laser source includes the second adaptation Device and laser head, described second adapter connects Optical fiber plug, and described laser head transmitting laser is to fiber end face.

9. optical fiber end face detector according to claim 1 is it is characterised in that described outer frame material adopts aluminium alloy material Matter.