CN213714684U - Multifunctional tail fiber testing device - Google Patents

Abstract

The utility model relates to a multifunctional tail fiber testing device, which comprises an input port, an output port, an optical switch, an optical channel switching control circuit and a device power supply circuit; the input port can be accessed to different types of output ports of the tested equipment; the output port can be connected by using FC tail fiber and is connected with a detection instrument of optical transmission signals through the FC connection tail fiber; the device power supply circuit provides 3V driving power supply required by the device; the optical switch is arranged in the device shell, one end of the optical switch is connected with the output interface, and the other end of the optical switch can be switched randomly among a plurality of input ports through the optical channel switching control circuit to form an optical fiber link for testing. By the invention, testers can test the backward oscillogram of the optical fiber, the transmitting and receiving optical power values of optical equipment and an optical port of a switch, the whole-process attenuation value of a communication optical fiber link and realize the accurate identification of a plurality of tail fibers in the snake-shaped protection tube without replacing tail fibers or adapters with different port types.

Description

Multifunctional tail fiber testing device

Technical Field

The utility model relates to a communication optical transmission signal test technical field, in particular to multi-functional test tail optical fiber device.

Background

After 25 years of continuous construction of a Kunming power supply bureau communication optical transmission network, a region A network Takou optical transmission device, a region B network Taylor OTN optical transmission device, a region C network Taylor OTN optical transmission device, a region dispatching data network Hua three data device and a Kunming distribution network automatic switch device are formed; 500 sets of existing optical transmission equipment, 1000 sets of scheduling data network equipment and 8700 kilometers of communication optical cables, wherein more than 70% of faults are analyzed from operation data to cause the fault of optical cable fiber cores, and 20% of faults are analyzed to cause the optical transmission equipment; when a field operation, maintenance and first-aid repair worker inspects and processes the multi-cable section and combines the optical fiber links, the field operation, maintenance and first-aid repair worker faces ports of different types of optical modules: FC. LC, SC, ST, the port that the optical signal test instrument commonly used is FC mouth, then just require on-the-spot to carry 4 kinds of different grade type test tail optical fiber, or carry 4 kinds of different grade type heterotypic ring flanges, satisfy available, credible, the accuracy of test instrument test data when troubleshooting. The problems that exist are that: 1. 4 different types of test tail fibers are carried on site; 2. 4 different types of special-shaped flanges are required to be carried on site; 3. the test tail fiber is easy to damage, and the special-shaped flange plate is easy to damage, so that the field can not normally carry out test work when troubleshooting is carried out; 4. because the port of the test tail fiber is not matched, the tester tests on the optical distribution frame terminal in the communication machine room because of inaccurate data, and the unplanned communication equipment shutdown event is very easy to occur. 5. The tail fiber laying from the optical transmission equipment to the optical fiber distribution frame uses phi 20 plastic coiled pipes according to the technical specification, each pipe has 2-24 used and spare tail fibers with different quantities, and operation and maintenance personnel cannot accurately distinguish the tail fiber to be tested.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides a multi-functional test tail optical fiber device.

The utility model adopts the technical proposal that:

a multifunctional test tail fiber device comprises an input port, an output port, an optical switch, an optical channel switching control circuit and a device power supply circuit; the input ports are arranged on one side of the device shell and can be accessed to different types of output ports of the tested equipment; the output port is one, is arranged on the other side of the device shell, is connected by using an FC tail fiber and is connected with the detection instrument of the optical transmission signal through the FC connection tail fiber; the device power supply circuit provides 3V driving power supply required by the device; the optical switch is arranged in the device shell, one end of the optical switch is connected with the output interface, and the other end of the optical switch can be randomly switched among a plurality of input ports through the optical channel switching control circuit to form an optical fiber link for testing.

Preferably, the number of the input ports is at least four, and the input ports are respectively an FC test tail fiber input port, an SC test tail fiber input port, an LC test tail fiber input port and an ST test tail fiber input port.

Preferably, the FC test pigtail input port, the SC test pigtail input port, the LC test pigtail input port, and the ST test pigtail input port can be inserted into plugs at one ends of the FC test pigtail, the SC test pigtail, the LC test pigtail, and the ST test pigtail, and are connected to the use device through plugs at the other ends of the FC test pigtail, the SC test pigtail, the LC test pigtail, and the ST test pigtail, and the optical switch forms an optical fiber link for use between the output port and the test pigtail port.

Preferably, the connection positions of the four test tail fibers and the four input ports are not fixed, and the positions of the test tail fibers can be interchanged to be connected with different input ports.

Preferably, the optical switch is a mechanical optical switch or a magneto-optical switch, and can bridge the optical fiber link between the output port and the input port of the device.

Preferably, the detection instrument of the optical transmission signal is an optical time domain reflectometer, an optical power meter, a red light pen or an optical cable identification instrument. The utility model has the advantages that:

1. through the utility model discloses the tester need not change the tail optical fiber or the adapter of different port types, can carry out the oscillogram test after optic fibre, the receiving and dispatching optical power value test of optical equipment, switch light port, the accurate discernment of many tail optical fibers in test, the snakelike protection tube of the whole decay value of communication fiber link.

2. The utility model discloses be equipped with an output port and a plurality of input port, switch control circuit through the light channel and make photoswitch can switch wantonly between a plurality of input port, form an optical fiber link who is used for the test, realize the switching function of the direct-through test instrument of light path signal of different port inputs.

3. The utility model discloses can realize not spectral power, it is quick, convenient during the use, and light signal is at the removal in-process unattenuated.

4. The utility model discloses an utilize power switching control circuit, realize that photoswitch is switched wantonly between a plurality of input port.

5. The utility model discloses also can regard as the switching controlling means use of optic fibre link.

Drawings

Fig. 1 is a schematic structural view of the present invention;

in fig. 1, 1-optical switch, 2-optical channel switching control circuit, 3-optical time domain reflectometer, 4-optical power meter, 5-red light pen, 6-optical cable identifier, 7-device power supply circuit, 8-multiple tail fibers, 9-light source, 10-switch, and 11-optical transmission device.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without any creative effort belong to the protection scope of the present invention.

As shown in fig. 1, the present invention relates to a multifunctional test tail fiber device, which comprises an input port, an output port, an optical switch 1, an optical channel switching control circuit 2 and a device power supply circuit 7. The device comprises four input ports, namely A1, A2, A3 and A4, wherein the A1 input port is an FC test tail fiber port, the A2 input port is an SC test tail fiber port, the A3 input port is an LC test tail fiber port, the A4 input port is an ST test tail fiber port, the input ports are arranged on one side of a device shell and can be connected with different types of tested device output ports such as a plurality of tail fibers 8, a light source 9, a switch 10 and an optical transmission device 11. The output port is a single port, which is labeled as a0 in the figure, and the output port a0 is arranged on the other side of the device shell, connected by using an FC tail fiber, and connected with the detection instrument of the optical transmission signal through the FC connection tail fiber. The detecting instrument of the optical transmission signal can be an optical time domain reflectometer 3, a light source 4, an optical power meter 4, a red light pen 5 or an optical cable identification instrument 6, etc. The device power supply circuit 7 supplies 3V driving power required by the device. The optical switch 1 is arranged in the device shell, the optical switch 1 can adopt a mechanical optical switch or a magneto-optical switch, and the mechanical optical switch or the magneto-optical switch can be in contact with the end faces of the output port optical fibers and the input port optical fibers to bridge the output port optical fibers and the input port optical fibers of the device. One end of the optical switch 1 is connected with the output interface a0, and the other end can be switched arbitrarily among the four input ports a1, a2, A3 and a4 through the optical channel switching control circuit 2, so as to form an optical fiber link for testing.

It should be noted that the input ports are not limited to FC test pigtail port a1, SC test pigtail port a2, LC test pigtail port A3, and ST test pigtail port a4, but may also include other test pigtail ports. Since the FC test pigtail port a1, the SC test pigtail port a2, the LC test pigtail port A3, and the ST test pigtail port a4 are four test pigtail ports most commonly used in communication optical transmission signal testing, at least four input ports are provided, which are the FC test pigtail port a1, the SC test pigtail port a2, the LC test pigtail port A3, and the ST test pigtail port a4, respectively. In addition, the connection positions of the four test tail fibers and the four input ports A1, A2, A3 and A4 are not required to be fixed, and the positions of the test tail fibers can be interchanged to access different input ports.

During detection, the type of the output end of the optical port of the tested optical equipment is firstly checked, and the test tail fiber matched with the device is inserted into the input port of the device according to the port of the tested optical equipment. If the detected tail fiber is the FC tested tail fiber, inserting the FC tested tail fiber into an FC test tail fiber port A1; if the detected tail fiber is the SC tested tail fiber, inserting the SC tested tail fiber into an SC test tail fiber port A2; if the detected tail fiber is the LC tested tail fiber, inserting the LC tested tail fiber into an LC test tail fiber port A3; and if the detected tail fiber is the ST tested tail fiber, inserting the ST tested tail fiber into the ST test tail fiber port A4. Then selecting a test type, and if the performance of the optical fiber needs to be tested, connecting the optical time domain reflectometer 3 with an output port A0 through an FC connection tail fiber; if the optical power relative loss of the optical fiber needs to be tested, connecting the optical power meter 4 with an output port A0 through an FC connection tail fiber; if the middle of the optical fiber needs to be tested to be disconnected, the red light pen 5 is connected with the output port A0 through the FC connection tail fiber; if the remote optical cable needs to be identified, the optical cable identification instrument 6 is connected with the output port A0 through the FC connection tail fiber. Then, an optical fiber link is created, and the optical channel switching control circuit 2 is used to make the optical switch 1 form an optical fiber link for testing between the output port a0 and the test pigtail port a1 or a2 or A3 or a 4. And finally, starting detectors of optical transmission signals such as the optical time domain reflectometer 3, the optical power meter 4, the red light pen 5 or the optical cable identification instrument 6 and the like to form an optical fiber test link, and performing various types of tests to obtain test results.

In addition, the multifunctional test tail fiber device can also be used as a switching control device of an optical fiber link. When in use, plugs of one ends of FC used tail fibers, SC used tail fibers, LC used tail fibers or ST used tail fibers are inserted into FC tested tail fiber ports A1, SC tested tail fiber ports A2, LC tested tail fiber ports A3 or ST tested tail fiber ports A4 according to requirements, and the plugs of the other ends of the FC used tail fibers, SC used tail fibers, LC used tail fibers or ST used tail fibers are connected with using equipment; then, the optical channel switching control circuit 2 is used to make the optical switch 1 form an optical fiber link between the output port a0 and the test pigtail port a1 or a2 or A3 or a4 for use.

Claims (6)

1. The utility model provides a multi-functional test tail optical fiber device which characterized in that: the multifunctional test tail fiber device comprises an input port, an output port, an optical switch, an optical channel switching control circuit and a device power supply circuit; the input ports are arranged on one side of the device shell and can be accessed to different types of output ports of the tested equipment; the output port is one, is arranged on the other side of the device shell, is connected by using an FC tail fiber and is connected with the detection instrument of the optical transmission signal through the FC connection tail fiber; the device power supply circuit provides 3V driving power supply required by the device; the optical switch is arranged in the device shell, one end of the optical switch is connected with the output interface, and the other end of the optical switch can be randomly switched among a plurality of input ports through the optical channel switching control circuit to form an optical fiber link for testing.

2. The multifunctional test pigtail device of claim 1, wherein: the number of the input ports is at least four, and the input ports are respectively an FC test tail fiber input port, an SC test tail fiber input port, an LC test tail fiber input port and an ST test tail fiber input port.

3. The multifunctional test pigtail device of claim 2, wherein: the FC test tail fiber input port, the SC test tail fiber input port, the LC test tail fiber input port and the ST test tail fiber input port can be inserted into plugs at one ends of the FC test tail fiber, the SC test tail fiber, the LC test tail fiber and the ST test tail fiber, and are connected with a using device through plugs at the other ends of the FC test tail fiber, the SC test tail fiber, the LC test tail fiber and the ST test tail fiber, and the optical switch forms an optical fiber link used between the output port and the test tail fiber port.

4. The test pigtail device of claim 3, wherein: the connection positions of the four test tail fibers and the four input ports are not fixed, the positions of the test tail fibers can be interchanged, and the test tail fibers are connected to different input ports.

5. The test pigtail device of claim 1, wherein: the optical switch is a mechanical optical switch or a magneto-optical switch, and can bridge an output port and an input port optical fiber link of the device.

6. The test pigtail device of claim 1, wherein: the detection instrument of the optical transmission signal is an optical time domain reflectometer, an optical power meter, a red light pen or an optical cable identification instrument.

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