A fiber optic connector plug structure for fiber optic cable connections

Abstract

The application relates to an optical fiber connector plugging structure for optical cable connection applied to the field of optical cables, which comprises an optical cable plug assembly, an optical cable adapter assembly and an intelligent detector. The optical cable plug assembly comprises a plug main body installed with an optical cable body, a fixing sleeve rotationally connected to the outer circle of the plug main body and a butt joint cylinder installed at the end of the plug main body. The optical cable adapter assembly comprises an adapter main body installed with the optical cable body and a butt joint head II corresponding to the butt joint cylinder. The intelligent detector is provided with a fault detection module, an installation detection module and a reminding module. The above structure can continuously and stably lock the plug main body and the adapter main body when the optical cable plug assembly and the optical cable adapter assembly are butted, the end face is not easy to be polluted during optical fiber butt joint, the intelligent detector can realize automatic detection of whether the installation position is in place, automatic detection of fault conditions and automatic positioning of fault sources, and the detection efficiency of maintenance personnel is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of optical cable, in particular to an optical fiber connector plugging structure for optical cable connection. BACKGROUND

[0002] The optical cable plug-in connector, also known as an optical fiber connector, is a device for connecting one optical fiber with another optical fiber. It connects two optical fibers by plugging the optical cable plug and the optical cable adapter, and can be repeatedly plugged and unplugged between optical fibers and optical fibers, or can be arbitrarily combined between the same types, so it is widely known as an optical fiber movable joint. The optical fiber connector has been widely used in optical fiber communication systems, and there are many types and different structures. However, the basic structure of various types of optical fiber connectors is consistent, that is, most optical fiber connectors generally use high-precision components to achieve the alignment connection of optical fibers.

[0003] Chinese patent CN CN202010557541.X discloses an optical fiber connector-cable assembly and an optical cable connection system. Specifically, it includes an optical cable and an optical fiber connector. The optical cable has an optical fiber and an optical cable sheath. The free end of the optical fiber is provided with a ferrule, and the ferrule is provided with a ferrule spring. The optical fiber connector includes a connector body and a cover. A first fixed sleeve and a second fixed sleeve are provided, and the optical cable sheath is anchored between them. An insert is installed at the distal end of the first fixed sleeve and has a channel that receives the proximal end section of the ferrule. The insert supports the ferrule spring. In the direction towards the distal end of the connector body, the cover compresses the first fixed sleeve, the first fixed sleeve compresses the insert, the insert compresses the ferrule spring, and the ferrule spring compresses the ferrule. It mainly uses a sleeve structure to lock and connect two plugging components, and uses an elastic component to tightly butt the two butted ferrules, achieving the purpose of optical fiber connection. However, in actual implementation, the plugging part of the optical fiber connector will gradually loosen during repeated plugging and replacement of the butted optical fibers and repeated plugging and maintenance, resulting in unstable connection and easy loosening. This will cause gaps between the butted ferrules of the optical fiber connector, leading to increased optical fiber communication signal attenuation, decreased transmission speed, and reduced communication stability. Since there are many optical fiber connectors in the machine room, it is difficult for maintenance personnel to quickly locate the faulty optical fiber connector, thereby affecting the equipment maintenance schedule.

[0004] CLAIM

[0005] In view of the prior art, the technical problem to be solved by the present application is that the plug-in part of the optical fiber connector will gradually loosen, resulting in unstable connection part, causing gaps between the optical fiber ferrules of the optical fiber connectors, reducing communication stability, and making it difficult for maintenance personnel to quickly locate the faulty optical fiber connector, thereby affecting the maintenance progress of the equipment.

[0006] To solve the above problems, the present application provides an optical fiber connector plug-in structure for optical cable connection, comprising an optical cable plug assembly, an optical cable adapter assembly and an intelligent detector.

[0007] The optical cable plug assembly comprises a plug main body mounted with an optical cable body, a fixing sleeve rotationally connected to the outer circle of the plug main body, and a butt joint cylinder mounted at the end of the plug main body, the middle part of the butt joint cylinder is provided with a butt joint head one, the butt joint head one is respectively provided with a butt joint rod, an optical fiber ferrule one and a photoelectric diode, the optical fiber ferrule one is connected with the optical fiber in the optical cable body of the optical cable plug assembly, the photoelectric diode is mounted on the end face of the butt joint rod, and the outer circle of the butt joint rod is embedded with a locking ball.

[0008] The optical cable adapter assembly comprises an adapter main body mounted with an optical cable body, a butt joint head two corresponding to the butt joint cylinder, the butt joint head two is provided with a butt joint hole corresponding to the butt joint cylinder, the butt joint head two is provided with an optical fiber ferrule two at a position corresponding to the optical fiber ferrule one, and the side wall of the butt joint hole is respectively provided with a channel one and a channel two, the channel two corresponds to the locking ball, and a distance sensor is mounted at the end of the butt joint hole away from the opening.

[0009] The intelligent detector is provided with a fault detection module, an installation detection module and a reminding module, the fault detection module is electrically connected with the reminding module and the photoelectric diode, and the installation detection module is electrically connected with the reminding module and the distance sensor.

[0010] In the above optical fiber connector plug-in structure for optical cable connection, when the optical cable plug assembly and the optical cable adapter assembly are butt jointed, the plug main body and the adapter main body are locked by negative pressure, the plug main body and the adapter main body are continuously and stably locked by continuously negative pressure adsorption of the inner cavity of the channel two, the high pressure environment formed can also avoid the dust accumulated outside from entering the end faces of the two, so that the end faces are not easy to be contaminated when the optical fibers are butt jointed, the intelligent detector can realize automatic detection of whether the installation position is in place, automatic detection of fault conditions and automatic positioning of fault sources, and improve the detection efficiency of maintenance personnel.

[0011] As a further improvement of the present application, the openings of the channel one and the channel two on the butt joint hole are sequentially arranged in the plug-in direction of the butt joint cylinder, and the butt joint rod is provided with at least two.

[0012] As a further improvement of the present application, the inner cavities of the plurality of docking rods are connected in series through the communication hole, the side wall of each docking rod is provided with a through hole one, the side of the docking hole is provided with a through hole two at the position corresponding to the through hole one, the channel one is connected with the inner cavity of the adapter body, and the opening of the through hole two and the channel one on the docking hole and the opening of the channel two on the docking hole are sequentially arranged in the insertion direction of the docking cylinder.

[0013] As a further improvement of the present application, the inner cavity of the communication hole is provided with an air pressure sensor, and the air pressure sensor is electrically connected with the installation detection module.

[0014] As a further improvement of the present application, a plurality of optical cable adapter assemblies are installed on the distribution box, the reminding module and the intelligent detector are both installed on the distribution box, the docking head two on the optical cable adapter assembly is provided with a docking contact, the docking contact is electrically connected with the fault detection module and the installation detection module respectively, the docking head one on the optical cable plug assembly is provided with a connecting hole at the position corresponding to the docking contact, the connecting hole is electrically connected with the photoelectric diode and the air pressure sensor respectively, and the photoelectric diode and the fault detection module are electrically connected through the docking contact and the connecting hole, and the air pressure sensor and the installation detection module are electrically connected through the docking contact and the connecting hole.

[0015] As a further improvement of the present application, the optical cable plug assembly is provided with an air pressure adjusting mechanism, the air pressure adjusting mechanism comprises a shell, a negative pressure cavity and a pressure regulating cavity opened in the shell, and the inner cavities of the negative pressure cavity and the pressure regulating cavity are both vertically and slidingly connected with a piston, the two pistons are connected in series through a connecting rod, the channel one is connected with the upper end of the pressure regulating cavity, and the channel two is connected with the top of the inner cavity of the negative pressure cavity.

[0016] As a further improvement of the present application, the air pressure adjusting mechanism is provided with an air pipe connected with the pressure regulating cavity, the opening of the air pipe is externally connected with a booster air pump through a pipeline, the booster air pump is electrically connected with the installation detection module, and the installation detection module is electrically connected with an unlocking button.

[0017] As a further improvement of the present application, the end inner wall of the fixed sleeve is threadedly connected with the end of the adapter body, the outer ring of the adapter body is provided with a sealing ring, the outer wall of the docking cylinder is fixedly provided with an anti-fooling protrusion, and the inner wall of the adapter body is provided with an anti-fooling groove at the position corresponding to the anti-fooling protrusion.

[0018] In summary, when the optical cable plug assembly and the optical cable adapter assembly are docked, the plug body and the adapter body are locked by the negative pressure, the plug body and the adapter body are continuously and stably locked by the continuous negative pressure adsorption of the inner cavity of the channel two, the dust accumulated outside is also avoided from entering the end faces of the two by the high-pressure environment formed, the end faces are not easy to be contaminated when the optical fibers are docked, the fault detection module and the installation detection module arranged on the intelligent detector can intuitively understand whether the installation of the docking rod and the docking hole is in place, automatic detection of whether the installation position is in place can be realized, automatic detection of fault conditions and automatic positioning of fault sources can be realized, and the detection efficiency of maintenance personnel is improved. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the first and second embodiments of the application;

[0020] Figure 2 It is a schematic diagram of the internal structure of the distribution box of the first and second embodiments of the application;

[0021] Figure 3 It is a schematic diagram of the structure of the plug body and the adapter body of the first and second embodiments of the application;

[0022] Figure 4 It is a schematic diagram of the structure of the plug body of the first and second embodiments of the application;

[0023] Figure 5 It is a schematic diagram of the structure of the adapter body of the first and second embodiments of the application;

[0024] Figure 6 It is a sectional view of the plug body and the adapter body before docking of the first and second embodiments of the application;

[0025] Figure 7 It is a control principle block diagram of the intelligent detector of the first embodiment of the application;

[0026] Figure 8 It is a sectional view of the plug body and the adapter body after docking of the first and second embodiments of the application;

[0027] Figure 9 It is a schematic diagram of the Figure 8 enlarged view of A in the first and second embodiments of the application;

[0028] Figure 10 It is a schematic diagram of the Figure 8 enlarged view of B in the first and second embodiments of the application;

[0029] Figure 11 It is a control principle block diagram of the intelligent detector of the second embodiment of the application.

[0030] Explanation of reference numerals in the drawings:

[0031] 1, optical cable plug assembly; 2, optical cable adapter assembly; 3, distribution box; 4, reminder module; 5, intelligent detector; 6, air pressure adjusting mechanism; 7, plug main body; 8, fixing sleeve; 9, mating sleeve; 10, mating plug rod; 11, adapter main body; 12, mating head two; 13, mating hole; 14, mating contact head; 15, optical fiber ferrule two; 16, mating head one; 17, communication hole; 18, locking ball; 19, optical fiber ferrule one; 20, connecting hole; 21, foolproof groove; 22, foolproof block; 23, photodiode; 24, air pressure sensor; 25, sealing ring; 26, channel one; 27, channel two; 28, through hole one; 29, through hole two; 30, connecting rod; 31, distance sensor; 32, air pipe; 33, negative pressure cavity; 34, pressure regulating cavity. DETAILED DESCRIPTION

[0032] Two embodiments of the present application will be described in detail below with reference to the accompanying drawings.

[0033] First embodiment:

[0034] Figures 1-6 And Figures 8-9The utility model discloses a kind of optical fiber connector plug structures for optical cable connection, including optical cable plug assembly 1, optical cable adapter assembly 2 and intelligent detector 5;Optical cable plug assembly 1 includes with the plug body 7 of optical cable body installation, the fixed sleeve 8 of rotation connection in the outer circle of plug body 7 and install the butt joint barrel 9 of plug body 7 end part, the middle part of butt joint barrel 9 is provided with butt joint head one 16, butt joint head one 16 is respectively installed with butt joint stem 10, optical fiber ferrule one 19 and photodiode 23, optical fiber ferrule one 19 is connected with the optical fiber in the optical cable body on optical cable plug assembly 1, photodiode 23 is installed on the end surface of butt joint stem 10, the outer circle of butt joint stem 10 is embedded with locking ball 18;Optical cable adapter assembly 2 includes with the adapter body 11 of optical cable body installation, with butt joint barrel 9 corresponding butt joint head two 12, butt joint head two 12 is opened with butt joint hole 13 corresponding to butt joint barrel 9, butt joint head two 12 is provided with optical fiber ferrule two 15 with optical fiber ferrule one 19 corresponding position, the side wall of butt joint head two 12 located butt joint hole 13 is respectively opened with passage one 26 and passage two 27, passage two 27 is corresponding with locking ball 18, the end of butt joint hole 13 away from opening is installed with distance sensor 31, by inserting optical cable plug assembly 1 into optical cable adapter assembly 2, realize butt joint, when by fixed sleeve 8 is screwed to the end of adapter body 11, plug body 7 and adapter body 11 are locked, in this process, butt joint stem 10 on plug body 7 will be inserted into butt joint hole 13 on butt joint head two 12, can limit the circumferential rotation of both, so that the optical fiber ferrule two 15 on butt joint head two 12 and connecting hole 20 on butt joint head one 16 can be more stably butt joint, realize the stable butt joint of two optical fibers;After plug body 7 and adapter body 11 butt joint, locking ball 18 in the inner cavity of butt joint stem 10 moves to the port of passage two 27, when the inner cavity of passage two 27 is negative pressure adsorption, the outer end of locking ball 18 will enter the opening of passage two 27, and butt joint stem 10 is clamped in butt joint hole 13, limit the movement of butt joint hole 13 in axial direction, further lock plug body 7 and adapter body 11, and by continuously negative pressure adsorption of the inner cavity of passage two 27, plug body 7 and adapter body 11 can be continuously and stably locked.

[0035] In addition, by opening passage one 26, in the butt joint process, gas is passed into the inner cavity of passage one 26, when gas acts in the inner cavity of adapter body 11 and butt joint hole 13, dust located here is blown away, and in the process that plug body 7 gradually approaches and butt joint with adapter body 11, dust on the end of plug body 7 is blown away, high pressure environment is formed at the butt joint interface of plug body 7 and adapter body 11, can reduce dust into this environment, and when unlocking, high pressure environment can also avoid the dust accumulated outside from entering the end surface of both, so that the end surface is not easy to be contaminated when optical fiber butt joint, improve the quality of optical fiber butt joint.

[0036] In the embodiment, the intelligent detector 5 is provided with a fault detection module, an installation detection module and a reminding module 4, the fault detection module is electrically connected with the reminding module 4 and the photodiode 23 respectively, the installation detection module is electrically connected with the reminding module 4 and the distance sensor 31 respectively, when the plug body 7 is inserted into the adapter body 11, the distance sensor 31 located in the inner cavity of the docking hole 13 can detect the position of the docking rod 10 in real time and transmit the position signal to the installation detection module, when the docking rod 10 moves to the specified position in the docking hole 13, the installation detection module sends the installation position qualified signal to the reminding module 4, so that it can be directly understood whether the installation of the docking rod 10 and the docking hole 13 is in place, and whether the locking ball 18 enters the position corresponding to the channel two 27 can be judged; when the fiber connector is continuously used, the position information of the end of the docking rod 10 is collected in real time by the distance sensor 31 and transmitted to the installation detection module, when the communication fault is judged, whether the installation position of the plug body 7 and the adapter body 11 is loosened due to external factors such as bumping and pulling can be judged, and the judgment result is transmitted to the fault detection module, and the fault condition of the fiber connection is analyzed by the fault detection module; the tightness of the connection between the fiber ferrule two 15 on the docking head two 12 and the fiber ferrule one 19 on the docking head one 16 is detected in real time by the installed photodiode 23, when the docking surface of the fiber ferrule two 15 and the fiber ferrule one 19 is misaligned or has a gap, the optical signal of the fiber end face will leak at the gap and be detected by the photodiode 23, the photodiode 23 transmits the detected data to the fault detection module, the fault detection module can judge whether the connection between the plug body 7 and the adapter body 11 at this position exists a fault according to the data transmitted by the photodiode 23, whether the fiber communication signal attenuation increases exists, the automatic detection of the fault condition and the automatic positioning of the fault source are realized, and the detection efficiency of the maintenance personnel is improved.

[0037] In addition, the opening of the channel one 26 on the docking hole 13 and the opening of the channel two 27 on the docking hole 13 are sequentially arranged along the insertion direction of the docking cylinder 9, when the docking rod 10 is inserted into the docking hole 13, the gas in the channel one 26 enters the docking hole 13 to automatically blow and clean the insertion part, when the docking rod 10 is continuously inserted into the docking hole 13 and the opening between the channel two 27 and the docking hole 13 is blocked, the negative pressure generated by the channel two 27 can be used to adsorb the locking ball 18 on the docking rod 10, so that the docking rod 10 can be continuously locked in the docking hole 13, the plug body 7 and the adapter body 11 can be better limited to rotate in the circumferential direction by inserting two or more docking rods 10 into the docking hole 13 on the docking head two 12, so that the two are stably connected.

[0038] It is worth mentioning that the inner cavities of the plurality of docking rods 10 are connected in series through the communication holes 17, the side wall of each docking rod 10 is provided with a through hole one 28, the side of the docking hole 13 is provided with a through hole two 29 corresponding to the through hole one 28, the channel one 26 is connected with the inner cavity of the adapter body 11, the high-pressure gas in the inner cavity of the channel one 26 can enter the docking hole 13, and also can enter the through hole two 29, and the through hole two 29, the opening of the channel one 26 on the docking hole 13 and the opening of the channel two 27 on the docking hole 13 are arranged in sequence along the insertion direction of the docking barrel 9, after the docking rod 10 is inserted into the docking hole 13, the high-pressure gas in the channel one 26 enters the communication hole 17 of the docking rod 10, the pressure change in the inner cavity of the communication hole 17 can be detected by the air pressure sensor 24, the sealing performance of the inner cavities of the docking rod 10 and the docking hole 13 and the adapter body 11 and the plug body 7 end face can be detected, whether the optical fiber connector is damaged and aged can be detected, and the internal air pressure can be detected at the same time, which is convenient for maintaining the stability of the high-pressure environment of the docking part of the adapter body 11 and the plug body 7, the inner cavity of the communication hole 17 is provided with the air pressure sensor 24, the air pressure sensor 24 is electrically connected with the installation detection module, after the plug body 7 and the adapter body 11 are docked, the air pressure sensor 24 sends the detected air pressure data to the installation detection module in real time, the installation detection module judges whether the sealing performance of the optical fiber connector after installation is qualified through the air pressure data sent by the air pressure sensor 24, when unqualified is detected, the installation detection module sends a reminding signal to the reminding module 4, reminding the operator that the sealing performance of the corresponding optical fiber connector is unqualified; and when the communication stability is reduced, the installation detection module sends the air pressure data received by the air pressure sensor 24 to the fault detection module, the fault detection module judges whether the optical fiber connector has problems such as damage and aging through the air pressure data sent by the installation detection module, and carries out targeted maintenance on the optical fiber connector, thereby improving the maintenance efficiency.

[0039] In the embodiment, the plurality of optical cable adapter assemblies 2 are installed on the distribution box 3, the reminding module 4 and the intelligent detector 5 are both installed on the distribution box 3, the mating head two 12 on the optical cable adapter assembly 2 is provided with the mating contact head 14, the mating contact head 14 is electrically connected with the fault detection module and the installation detection module respectively, the mating head one 16 on the optical cable plug assembly 1 is provided with the connecting hole 20 at the position corresponding to the mating contact head 14, the connecting hole 20 is electrically connected with the photoelectric diode 23 and the air pressure sensor 24 respectively, the photoelectric diode 23 and the air pressure sensor 24 are electrically connected with the fault detection module and the installation detection module respectively by plugging the mating contact head 14 and the connecting hole 20, when the plug main body 7 and the adapter main body 11 are mated and installed, the mating contact head 14 is inserted into the connecting hole 20 to complete the electrical connection, and the photoelectric diode 23 and the air pressure sensor 24 on the plug main body 7 are electrically connected with the corresponding fault detection module and installation detection module, the electrical connection of the photoelectric diode 23 and the air pressure sensor 24 is realized at the same time of installation, which facilitates the installation operation, and facilitates positioning the installation state and the fault condition of the optical fiber connector according to the photoelectric diode 23 and the air pressure sensor 24, and facilitates the installation and maintenance operation of the staff.

[0040] Preferably, the end inner wall of the fixing sleeve 8 is threadedly connected with the end of the adapter main body 11, the outer circle of the adapter main body 11 is provided with the sealing ring 25, the fixing sleeve 8 is locked with the adapter main body 11 through thread, and when the fixing sleeve 8 is screwed onto the adapter main body 11, the end inner wall of the fixing sleeve 8 is in contact with the sealing ring 25, the end of the fixing sleeve 8 is sealed, the sealing performance of the optical fiber connector is improved, the outer wall of the mating sleeve 9 is fixed with the fool-proof block 22, the inner wall of the adapter main body 11 is provided with the fool-proof groove 21 corresponding to the fool-proof block 22, and when the mating sleeve 9 is mated with the adapter main body 11, the fool-proof groove 21 is limited to be inserted into the corresponding fool-proof block 22, the fool-proof design is realized, blind operation installation is facilitated, and the convenience of installation is improved.

[0041] Second embodiment:

[0042] Figures 5-6 and Figures 8-11It is shown that, unlike the first embodiment, the optical cable plug assembly 1 is provided with an air pressure adjusting mechanism 6, the air pressure adjusting mechanism 6 includes a shell and a negative pressure cavity 33 and a pressure adjusting cavity 34 opened in the shell, the inner cavities of the negative pressure cavity 33 and the pressure adjusting cavity 34 are vertically slidingly connected with pistons, the two pistons are connected in series through a connecting rod 30, the bottom of the piston of the negative pressure cavity 33 can be provided with a spring, which facilitates the spring to push the corresponding piston to assist its reset when the piston in the negative pressure cavity 33 is not subjected to the downward force of the top connecting rod 30, channel one 26 is in communication with the upper end of the pressure adjusting cavity 34, channel two 27 is in communication with the top of the inner cavity of the negative pressure cavity 33, when the inner cavity of the pressure adjusting cavity 34 is pressurized, high-pressure gas enters channel one 26, thereby realizing the pressurization of the inner cavity of channel one 26, and the increase of the pressure in the pressure adjusting cavity 34 pushes the corresponding piston inside to move downward, the downward piston synchronously pushes the piston in the negative pressure cavity 33 downward through the connecting rod 30, at this time, a negative pressure cavity is formed at the top of the negative pressure cavity 33, and a negative pressure cavity is formed in channel two 27, through the above structure design, only the corresponding pressure adjusting cavity 34 is controlled to increase the air pressure, the air pressure of channel one 26 and the negative pressure of channel two 27 can be controlled at the same time, and the pressure in channel one 26 and channel two 27 can be flexibly controlled.

[0043] In addition, the air pressure adjusting mechanism 6 is provided with an air pipe 32 in communication with the pressure adjusting cavity 34, the opening of the air pipe 32 is externally connected with a booster air pump through a pipeline, the booster air pump is electrically connected with an installation detection module, the inner cavity of the pressure adjusting cavity 34 is pressurized by the booster air pump, the corresponding channel one 26 is pressurized and the negative pressure of channel two 27 is generated, so that the equipment investment is reduced, the negative pressure adsorption of the inner cavity of channel two 27 by the vacuum negative pressure pump is not needed, the equipment installation cost is saved, and the convenience of subsequent maintenance is improved. The installation detection module is electrically connected with an unlocking button, when it is needed to unlock the plug main body 7 and the adapter main body 11, the unlocking button is pressed to send an unlocking signal to the installation detection module, at this time, the installation detection module receives the unlocking signal and controls the pressure output by the booster air pump to be reduced, at this time, the pressure acting on the piston at the top of the connecting rod 30 is reduced, the piston in the negative pressure cavity 33 moves upward to increase the air pressure in channel two 27, thereby releasing the adsorption of the locking ball 18, at this time, the butt joint plug rod 10 can be easily pulled out of the butt joint hole 13, thereby smoothly unlocking the plug main body 7 and the adapter main body 11.

[0044] In combination with the current actual demand, the above-mentioned embodiments adopted by the present application are not limited to this, various changes made within the knowledge range of those skilled in the art without departing from the concept of the present application still fall within the protection scope of the present application.

Claims

1. An optical fiber connector mating structure for optical cable connection comprising an optical cable plug assembly (1) and an optical cable adapter assembly (2), characterized in that: Also includes intelligent detector (5); The optical cable plug assembly (1) includes a plug body (7) mounted with the optical cable body, a fixed sleeve (8) rotatably connected to the outer circle of the plug body (7), and a mating barrel (9) mounted at the end of the plug body (7), the middle of the mating barrel (9) is provided with a mating head (16), the mating head (16) is respectively provided with a mating plug rod (10), an optical fiber ferrule (19) and a photodiode (23), the optical fiber ferrule (19) is connected with the optical fiber in the optical cable body of the optical cable plug assembly (1), the photodiode (23) is mounted on the end face of the mating plug rod (10), and the outer circle of the mating plug rod (10) is embedded with a locking ball (18); The optical cable adapter assembly (2) includes an adapter body (11) mounted with the optical cable body, and a mating head (12) corresponding to the mating barrel (9), the mating head (12) is provided with a mating hole (13) corresponding to the mating barrel (9), the mating head (12) is provided with an optical fiber ferrule (15) at a position corresponding to the optical fiber ferrule (19), and the side wall of the mating hole (13) is provided with a channel (26) and a channel (27), the channel (27) corresponds to the locking ball (18), and the mating hole (13) is provided with a distance sensor (31) at an end away from the opening. The intelligent detector (5) is provided with a fault detection module, an installation detection module and a reminding module (4), the fault detection module is electrically connected with the reminding module (4) and the photodiode (23), and the installation detection module is electrically connected with the reminding module (4) and the distance sensor (31); The inner cavities of a plurality of the mating plug rods (10) are connected in series through the communication holes (17), the inner cavities of the communication holes (17) are provided with air pressure sensors (24), the air pressure sensors (24) are electrically connected with the installation detection module, the optical cable plug assembly (1) is provided with an air pressure adjusting mechanism (6), the air pressure adjusting mechanism (6) includes a shell, a negative pressure cavity (33) and a pressure regulating cavity (34) formed in the shell, the inner cavities of the negative pressure cavity (33) and the pressure regulating cavity (34) are vertically and slidably connected with pistons, the two pistons are connected in series through a connecting rod (30), the channel (26) is connected with the upper end of the pressure regulating cavity (34), and the channel (27) is connected with the inner cavity top of the negative pressure cavity (33).

2. A fiber optic connector mating structure for fiber optic cable connections as recited in claim 1, characterized by: The openings of the channel (26) and the channel (27) on the mating hole (13) are sequentially arranged in the insertion direction of the mating barrel (9), and the mating plug rod (10) is provided with at least two.

3. A fiber optic connector mating structure for fiber optic cable connections as recited in claim 2, characterized by: The side wall of each docking plug rod (10) is provided with a through hole one (28), the side of the docking hole (13) is provided with a through hole two (29) corresponding to the through hole one (28), the channel one (26) is communicated with the inner cavity of the adapter body (11), and the through hole two (29), the opening of the channel one (26) on the docking hole (13) and the opening of the channel two (27) on the docking hole (13) are sequentially arranged in the insertion direction of the docking barrel (9).

4. A fiber optic connector mating structure for fiber optic cable connections as recited in claim 1, characterized by: A plurality of the optical cable adapter assemblies (2) are installed on the distribution box (3), the reminding module (4) and the intelligent detector (5) are both installed on the distribution box (3), the docking head two (12) on the optical cable adapter assembly (2) is provided with a docking contact (14), the docking contact (14) is electrically connected with the fault detection module and the installation detection module respectively, the docking head one (16) on the optical cable plug assembly (1) is provided with a connecting hole (20) corresponding to the docking contact (14), the connecting hole (20) is electrically connected with the photodiode (23) and the air pressure sensor (24) respectively, the photodiode (23) and the air pressure sensor (24) are electrically connected with the fault detection module and the installation detection module respectively by the docking contact (14) and the connecting hole (20).

5. A fiber optic connector mating structure for fiber optic cable connections as recited in claim 1, characterized by: The air pressure regulating mechanism (6) is provided with an air pipe (32) communicated with the pressure regulating cavity (34), the opening of the air pipe (32) is externally connected with a booster air pump through a pipeline, the booster air pump is electrically connected with the installation detection module, and the installation detection module is electrically connected with an unlocking button.

6. A fiber optic connector mating structure for fiber optic cable connections as recited in claim 1, characterized by: The end inner wall of the fixed sleeve (8) is threadedly connected with the end of the adapter body (11), the outer ring of the adapter body (11) is provided with a sealing ring (25), the outer wall of the docking barrel (9) is fixedly provided with an anti-fooling bump (22), and the inner wall of the adapter body (11) is provided with an anti-fooling groove (21) corresponding to the anti-fooling bump (22).

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