CN211959211U - Four-in-one handheld optical time domain reflectometer - Google Patents

Abstract

The utility model discloses a four unification hand-held type light time domain reflectometer, including hand-held type shell, hand-held type shell upper end surface has seted up test port from a left side to the right side in proper order, trouble socket and data upload port, hand-held type shell right-hand member top surface is equipped with the switch through the screw fixation, the charging mouth has been seted up in the middle of hand-held type shell lower extreme surface, hand-held type shell front end surface top is inlayed fixedly and is equipped with the display screen, it is inlayed and is equipped with MENU key, return key, confirm key and left and right sides adjustment key to become the rectangle below the display screen, hand-held type shell inside top becomes the rectangle and all is equipped with the optical power meter through the screw fixation, red light source, optical time domain reflectometer and stable light source module, stable light source module below left side is equipped with the controller and passes through the screw fixation in hand-held type shell; the utility model discloses simple structure, measure accurate and adjust measuring distance's advantage has been possessed.

Description

Four-in-one handheld optical time domain reflectometer

Technical Field

The utility model relates to an optical time domain reflectometer technical field, concretely relates to is a four unification hand-held type optical time domain reflectometers.

Background

An optical time-domain reflectometer (OTDR) is an instrument for analyzing a measurement curve to know properties such as uniformity, defect, fracture, and joint coupling of an optical fiber, and is manufactured according to the principle of backward scattering of light and fresnel reverse, and uses the backward scattered light generated when the light propagates in the optical fiber to obtain attenuation information, so that the OTDR can be used for measuring the attenuation of the optical fiber, the joint loss, the fault point positioning of the optical fiber, and knowing the loss distribution of the optical fiber along the length, and is an essential tool in the construction, maintenance and monitoring of the optical cable.

In the prior art, the measurement is inaccurate, the measurement distance is short, the structure is complex, and the measurement distance cannot be freely adjusted, so a four-in-one handheld optical time domain reflectometer is needed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a four unification hand-held type optical time domain reflectometers have possessed simple structure, measure the advantage accurate and adjust measuring distance, have solved prior art's problem.

In order to achieve the above object, the utility model provides a following technical scheme: a four-in-one hand-held optical time domain reflectometer comprises a hand-held shell, wherein the upper end surface of the hand-held shell is sequentially provided with a test port, a fault socket and a data uploading port from left to right, a switch is fixedly arranged on the upper surface of the right end of the hand-held shell through screws, a charging port is arranged in the middle of the lower end surface of the hand-held shell, a display screen is fixedly embedded on the surface of the front end of the hand-held shell, a MENU key, a return key, a confirm key and a left-right adjusting key are embedded below the display screen in a rectangular shape, the upper part of the interior of the hand-held shell is rectangular and is fixedly provided with an optical power meter, a red light source, an optical time domain reflector and a stable light source module through screws, stabilize light source module below left side and be equipped with the controller and pass through the screw fixation in the hand-held type shell, the controller below is equipped with the lithium cell and passes through the screw fixation in the hand-held type shell.

Preferably, the surface of the upper end of the handheld shell is provided with a laser input port which is communicated with the red light source and the optical time domain reflector.

Preferably, four corners of the handheld shell are subjected to arc chamfering treatment.

Preferably, the charging port is connected to a lithium battery through a cable, the lithium battery is connected to a switch, a MENU key, a return key, a determination key, a left-right adjustment key, a controller, a display screen, an optical power meter, a red light source, an optical time domain reflectometer and a stable light source module through cables, and the test port, the fault socket and the data uploading port are connected to the optical power meter, the red light source, the optical time domain reflectometer and the stable light source module through cables in series.

Preferably, the fixing ring is a hollow ring and has the same radius as the adjusting pipe.

Preferably, the impeller is sleeved on the connecting frame through a small bearing.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. a four-in-one hand-held optical time domain reflectometer is an instrument which is used for measuring absolute optical power or relative optical power loss through a section of optical fiber by an optical power meter and is combined with a stable light source module for use, so that the connection loss can be measured, the continuity can be checked, the transmission quality of an optical fiber link can be evaluated, the analysis of a measurement curve of the optical time domain reflectometer can be facilitated, and the performances of uniformity, defects, breakage, joint coupling and the like of the optical fiber can be known.

2. The utility model provides a four unification hand-held type optical time domain reflectometers, presses MENU key through the staff for a long time and passes through the controller and get into parameter configuration, makes things convenient for the staff to change, measures length information for the operation is simpler.

Drawings

Fig. 1 is a schematic view of an overall structure of a four-in-one handheld optical time domain reflectometer according to the present invention;

fig. 2 is the internal structure diagram of the handheld housing of the four-in-one handheld optical time domain reflectometer of the present invention.

The figures are labeled as follows: 1. a hand-held housing; 2. a test port; 3. a failed jack; 4. MENU bond; 5. determining a key; 6. a return key; 7. a left and right adjustment key; 8. an optical power meter; 9. a red light source; 10. an optical time domain reflectometer; 11. a stable light source module; 12. a controller; 13. a lithium battery; 14. a data upload port; 15. a charging port; 16. a display screen; 17. and (4) switching.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Example 1:

please refer to fig. 1, 2, a four-in-one handheld optical time domain reflectometer, including handheld shell 1, test port 2 has been seted up in proper order from a left side to the right side on the surface of the upper end of handheld shell 1, trouble socket 3 and data upload port 14, the surface is equipped with switch 17 through the screw fixation on the surface of the right-hand member top of handheld shell 1, charge mouth 15 has been seted up in the middle of the surface of the lower end of handheld shell 1, it is fixed and is equipped with display screen 16 to inlay above the surface of the front end of handheld shell 1, it is equipped with MENU key 4 to inlay below display screen 16 into the rectangle, return key 6, confirm key 5 and control adjustment key 7, the inside top of handheld shell 1 becomes the rectangle and all is equipped with optical power meter 8, red light source 9, optical time domain reflectometer 10 and stable light source module 11 through the screw fixation, optical power: CEL-FZ-A, red light source model 9: FFL-100/050, model number of optical time domain reflectometer 10: FLexScan, model number of stabilized light source module 11: EOT102V, the left side of stable light source module 11 below is equipped with controller 12 and passes through the screw fixation in hand-held type shell 1, controller 12 model: MT6129, a lithium battery 13 is arranged below a controller 12 and fixed in a handheld shell 1 through screws, the upper end surface of the handheld shell 1 is provided with a laser input port which is communicated with a red light source 9 and an optical time domain reflector 10, four corners of the handheld shell 1 are subjected to arc chamfering treatment, a charging port 15 is connected to the lithium battery 13 through cables, the lithium battery 13 is connected to a switch 17, a MENU key 4, a return key 6, a determination key 5, a left and right adjusting key 7, the controller 12, a display screen 16, an optical power meter 8, the red light source 9, the optical time domain reflector 10 and a stable light source module 11 through cables, and a test port 2, a fault socket 3 and a data uploading port 14 are connected to the optical power meter 8, the red light source 9, the optical time domain reflector 10 and the stable light source module 11 in series through cables;

specifically, the device is convenient to be electrified through the whole circuit connection in the device, the handheld shell 1 is convenient for a worker to carry, the test port 2 is convenient to be connected for measurement, the fault socket 3 is convenient to diagnose the device fault, the MENU key 4, the return key 6, the confirm key 5 and the left-right adjusting key 7 are used as functional operation buttons of the device, the controller 12 is used as a processor of the device function, the optical power meter 8 is used for measuring absolute optical power or an instrument for measuring the relative loss of the optical power of a section of optical fiber and is used in combination with the stable light source module 11, so that the connection loss and the detection continuity can be measured, the transmission quality of an optical fiber link can be evaluated, the analysis of a measurement curve of the optical time domain reflectometer 10 is helpful for knowing a plurality of performances such as the uniformity, the defect, the fracture, the coupling of a single mode or multimode optical fiber, the red light source 9 is used for identifying, the method is a powerful supplement to OTDR test blind areas, and has the effect of maintaining an optical fiber network, a LAN, an ATM optical fiber system and a telecommunication network system; the display screen 16 is convenient for displaying the measurement information of the equipment, and the switch 17 is used as a start-stop button of the equipment.

The working principle is as follows: a four-in-one handheld optical time domain reflectometer is connected to a lithium battery 13 through a charging port 15 by a cable, the lithium battery 13 is connected to a switch 17, a MENU key 4, a return key 6, a determination key 5, a left and right adjustment key 7, a controller 12, a display screen 16, an optical power meter 8, a red light source 9, an optical time domain reflectometer 10 and a stable light source module 11 by cables, a test port 2, a fault socket 3 and a data uploading port 14 are connected in series to the optical power meter 8, the red light source 9, the optical time domain reflectometer 10 and the stable light source module 11 through cables, the whole circuit in the equipment is connected, the whole equipment is conveniently electrified, a handheld shell 1 is convenient for a worker to carry, the charging port 15 is convenient for charging the lithium battery 13, the switch 17 is turned on, the equipment is electrified to operate, the display is controlled on the display screen 16 through the left and right adjustment keys 7, the determination key 5 enters the red light source 9, the return key 6 exits, the red light source 9 has a red light wavelength of 650nm +/-20 n and outputs 5mw, detection of 5-10 kilometers is met, the red light source is controlled by the controller 12 to be displayed on the display screen 16 through the left and right adjusting keys 7 on the display screen 16, the key 5 is determined to enter and turn on the optical power meter 8, the user directly touches the input interface, the left and right adjusting keys 7 are pressed to select the wavelength (850, 1310, 1490 and 1550nm), the return key 6 exits after long pressing, and the optical power test range is as follows: the optical power testing device has the advantages that the optical power testing resolution is 0.1dBm, the testing precision is +/-1 dBm, the device can be used in combination with a stable light source module 11, the connecting loss and the checking continuity can be measured, the transmission quality of an optical fiber link can be evaluated, the optical time domain reflectometer 10 can analyze a measuring curve, the performances such as the uniformity, the defects, the breakage and the joint coupling of an optical fiber can be known, the measured data can be led into an external storage end through a data uploading port 14, a long-press MENU key 4 enters parameter configuration through a controller 12, the change of workers can be facilitated, a fault socket 3 is inserted into external detection connection, the detection on internal functional components can be facilitated, and the device has the advantages of being simple in structure, accurate in measurement and capable of adjusting the measuring distance.

Having shown and described the basic principles and principal features of the invention and advantages thereof, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (5)

1. The utility model provides a four unification hand-held type optical time domain reflectometers which characterized in that: including hand-held type shell (1), hand-held type shell (1) upper end surface has seted up test port (2), trouble socket (3) and data upload port (14) from a left side to the right side in proper order, hand-held type shell (1) right-hand member top surface is equipped with switch (17) through the screw fixation, charge mouth (15) have been seted up in the middle of hand-held type shell (1) lower extreme surface, hand-held type shell (1) front end surface top is inlayed fixedly and is equipped with display screen (16), display screen (16) below becomes the rectangle and inlays and is equipped with MENU key (4), return key (6), confirm key (5) and control adjustment key (7), hand-held type shell (1) inside top becomes the rectangle and all is equipped with optical power meter (8), red light source (9), optical time domain reflectometer (10) and stable light source module (11) through the screw fixation, stable light source module (11) below left side is equipped with controller (12) and fixes at hand-held type shell (1) through the screw ( 1) And a lithium battery (13) is arranged below the controller (12) and is fixed in the handheld shell (1) through screws.

2. The four-in-one handheld optical time domain reflectometer according to claim 1, wherein: the upper end surface of the hand-held shell (1) is provided with a laser input port which is communicated with the red light source (9) and the optical time domain reflector (10).

3. The four-in-one handheld optical time domain reflectometer according to claim 1, wherein: four corners of the handheld shell (1) are all subjected to arc chamfering treatment.

4. The four-in-one handheld optical time domain reflectometer according to claim 1, wherein: charging port (15) are connected on lithium cell (13) through the cable, and lithium cell (13) pass through the cable and connect on switch (17), MENU key (4), return key (6), confirm key (5), control adjustment key (7), controller (12), display screen (16), optical power meter (8), red light source (9), optical time domain reflectometer (10) and stable light source module (11), test port (2), trouble socket (3) and data upload port (14) are established ties on optical power meter (8), red light source (9), optical time domain reflectometer (10) and stable light source module (11) through the cable.

5. The four-in-one handheld optical time domain reflectometer according to claim 1, wherein: the optical power meter (8) is of the type: CEL-FZ-A, the red light source (9) model: FFL-100/050, the optical time domain reflectometer (10) model: FLexScan, model number of the stable light source module (11): EOT102V, controller (12) model: MT 6129.

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