Positioning device based on optical fiber sensing technology

Abstract

The utility model provides a positioning device based on an optical fiber sensing technology, which relates to the technical field of light ray positioning and comprises a locking joint, an optical fiber connecting block is arranged in the locking joint, an optical fiber plugging hole is arranged on the optical fiber connecting block, the top of the locking joint is connected with a conical limiting sleeve, and the outer side of the bottom of the optical fiber connecting block is connected with a combination joint. The combination joint is in threaded connection with the positioning joint, the positioning joint is detachably connected with the interface of the mounting box body, and an optical fiber transmission block is arranged in the positioning joint, so that the problems that when the existing optical fiber cable is connected with the PLC box body of the coke oven system, a professional cable joint operator is needed for mounting, and the mounting efficiency is high are solved. The technical problems that a plurality of lines are correspondingly connected with interfaces of a PLC box body one by one, the operation is relatively complex, and the borne tension is limited because the lines are clamped only through joints at the end parts of optical fiber cables are solved.

Description

Technical Field

[0001] This utility model mainly relates to the field of optical positioning technology, specifically to a positioning device based on optical fiber sensing technology. Background Technology

[0002] To improve the production efficiency and safety of coke ovens, current coke pushers, coke quenchers, coal charging cars, and coke quenching cars are equipped with automatic interlocking operations. All coke oven machinery and vehicles can automatically read and identify the furnace number and achieve automatic alignment. The read furnace position and coke oven vehicle travel status information can be directly transmitted to the PLC system through the Profinet network to achieve the purpose of interlocking the alignment of the four major coke oven vehicles.

[0003] To ensure timely signal transmission from various coke oven equipment, high-temperature resistant fiber optic cables are used for signal connection, directly transmitting data to the PLC system. The integrated machine internally uses fiber optic transmission for detection signals. Due to the short length of the fiber and its high absolute light intensity, signal transmission is more stable, positioning accuracy is high, and it is suitable for use in highly automated, faster-moving coke oven vehicles, and is less affected by smoke, dust, or electromagnetic interference.

[0004] During the operation of specific embodiments, the inventors discovered the following defects:

[0005] Currently, when connecting fiber optic cables to the PLC box of the coke oven system, professional cable connector operators are required to install them. This involves connecting multiple cables one by one to the corresponding PLC box interface, which is quite complicated. Incorrect insertion can lead to signal transmission failure. Furthermore, relying solely on the connectors at the ends of the fiber optic cables for connection limits their tensile strength. In the complex circular environment of the coke oven, fiber optic cables are prone to detaching from the box connectors.

[0006] It should be noted that the above content falls within the scope of the inventor's technical knowledge. Due to the vast and complex nature of the technical content in this field, the above content of this application does not necessarily constitute prior art. Utility Model Content

[0007] 1. The technical problem to be solved by the utility model:

[0008] This utility model provides a positioning device based on fiber optic sensing technology to solve the technical problems existing in the background art.

[0009] 2. Technical Solution:

[0010] To achieve the above objectives, the technical solution provided by this utility model is as follows: a positioning device based on fiber optic sensing technology, comprising a locking connector, an optical fiber connector block inside the locking connector, an optical fiber insertion hole on the optical fiber connector block, a conical limiting sleeve connected to the top of the locking connector, a connecting connector connected to the outer bottom of the optical fiber connector block, a positioning connector threadedly connected to the connecting connector, and a positioning connector detachably connected to the interface of the mounting box. The positioning connector contains an optical fiber transmission block. Before use, the conical limiting sleeve is pre-inserted into multiple optical fiber cables. Then, the connectors of the optical fiber cables are inserted one by one into the corresponding optical fiber insertion holes of the optical fiber connector block. Subsequently, the conical limiting sleeve is screwed into the locking connector from the cable end, thus limiting and locking the optical fiber cables to prevent them from being dislodged from the optical fiber insertion holes by external force, thereby completing the optical fiber transmission. When installing the connectors at both ends of the fiber optic cable to transmit coke oven signals, the corresponding positioning connector is installed at the PLC mounting box to be connected. The fiber optic transmission block transmits the data to the PLC mounting box for data processing. Since the locking connector of the fiber optic cable is pre-installed, simply insert the fiber optic cable with the locking connector installed into the positioning connector, and then lock the connection through the connecting connector. No further processing of the cable by professional operators is required, resulting in high maintenance and replacement efficiency. The fiber optic cable of this application adopts existing technology, and its ends all have snap-fit ​​connectors. The snap-fit ​​connectors and fiber optic insertion holes adopt existing technology with self-locking force, which will not be elaborated here. Since there are many signals in the coke oven equipment, the locking connector of this application can connect multiple fiber optic cables at one time, thereby improving the insertion efficiency. The conical limiting sleeve plays a further squeezing and limiting role for the connected cable.

[0011] Furthermore, the locking connector is provided with a threaded ring at the top, and four conical locking blocks are connected to the top of the threaded ring. The conical locking blocks are arranged in a cross shape, and the threaded ring is matched and connected to the inside of the conical limiting sleeve.

[0012] Furthermore, a first friction ring is arranged in annularly at the bottom of the conical limiting sleeve.

[0013] Furthermore, a rubber sealing ring is bonded to the inner side of the top of the conical limiting sleeve.

[0014] Furthermore, the bottom of the locking joint is provided with a concave groove, which slidably connects to the connecting joint. A second friction ring is provided on the outside of the connecting joint, and a locking ring is provided on the outside of the second friction ring, which locks the protective sleeve.

[0015] Furthermore, the protective sleeve includes symmetrically arranged semicircular sleeves, the bottom of which is provided with a limiting step, the limiting step engaging with the locking ring, and a connecting plate on the outer side of the semicircular sleeve, the connecting plates being connected by bolts.

[0016] Furthermore, a conical protective plate is connected to the top of the semi-circular sleeve.

[0017] Furthermore, a positioning plate is provided on the outside of the positioning joint, and threaded holes are provided on the positioning plate.

[0018] Furthermore, the positioning plate is provided with threaded connectors on both sides, which are matched and connected to the coupling joint. The optical fiber transmission block is provided with optical fiber connectors on both sides, which are matched and connected to the optical fiber insertion hole.

[0019] 3. Beneficial effects:

[0020] Compared with the prior art, the technical solution provided by this utility model has the following advantages:

[0021] This utility model is reasonably designed. Through the combined design of locking connector, conical limiting sleeve and fiber optic plug hole, it can realize the quick plugging and self-locking of multiple fiber optic cables, which significantly improves the installation efficiency. At the same time, the synergistic effect of conical locking block and friction ring ensures that the cable is resistant to external force and falls off, and enhances stability.

[0022] The detachable threaded connection of the combined connector and positioning connector simplifies the maintenance process, eliminating the need for specialized tools or personnel. The bidirectional connection function of the positioning connector supports flexible extension or adjustment of fiber optic cables, adapting to the dynamic layout requirements of coke oven equipment.

[0023] The modular design of the protective sleeve (semi-circular sleeve, conical protective plate) and the sealing structure (rubber sealing ring) effectively prevent dust and foreign object intrusion, while also taking into account cable limiting and interface protection, ensuring long-term stability and durability of signal transmission in complex industrial environments.

[0024] It should be noted that the structures not described in this utility model are the same as or can be implemented using existing technology, and will not be elaborated here, as they do not involve the design points and improvement directions of this utility model. Attached Figure Description

[0025] Figure 1 This is a schematic diagram showing the connection of this utility model with a PLC mounting box;

[0026] Figure 2 This is a structural diagram of the present invention during disassembly;

[0027] Figure 3 This is a schematic diagram of the structure of this utility model when connecting two optical fiber cables;

[0028] Figure 4 This is a schematic diagram of the structure of the present invention when disassembling two optical fiber cables connected together;

[0029] Figure 5 This is a partial structural schematic diagram of the present invention;

[0030] Figure 6 This is a schematic diagram of the structure of the protective cover of this utility model when it is not installed;

[0031] Figure 7 This is a schematic diagram of the positioning joint structure of this utility model.

[0032] Figure label:

[0033] 1. Locking connector; 11. Threaded ring; 12. Conical locking block; 13. Concave groove; 2. Fiber optic connector block; 3. Fiber optic insertion hole; 4. Conical limiting sleeve; 41. First friction ring; 42. Rubber sealing ring; 5. Connecting connector; 51. Second friction ring; 52. Locking ring; 6. Positioning connector; 61. Positioning plate; 62. Threaded hole; 63. Threaded connector; 7. Fiber optic transmission block; 71. Fiber optic insertion connector; 8. Protective sleeve; 81. Semi-circular sleeve; 82. Limiting step; 83. Connecting plate; 84. Conical protective plate. Detailed Implementation

[0034] To facilitate understanding of this utility model, a more comprehensive description of the utility model will be given below with reference to the accompanying drawings, which show several embodiments of the utility model. However, the utility model can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that the disclosure of the utility model will be more thorough and complete.

[0035] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "page", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0036] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.

[0037] In this utility model, unless otherwise explicitly specified and limited, the terms "installed," "connected," "linked," "fixed," "provided with," and "located in" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0038] It should be noted that structures not described in this invention do not involve the design points and improvement directions of this invention, and can all be achieved using existing technologies known to those skilled in the art.

[0039] The specific implementation of the present invention will be described in detail below with reference to specific embodiments.

[0040] See attached document Figure 1-7 A positioning device based on fiber optic sensing technology includes a locking connector 1, an optical fiber connector block 2 inside the locking connector 1, and an optical fiber insertion hole 3 on the optical fiber connector block 2. A conical limiting sleeve 4 is connected to the top of the locking connector 1, and a connecting connector 5 is connected to the outer bottom of the optical fiber connector block 2. The connecting connector 5 is threadedly connected to a positioning connector 6, which is detachably connected to the interface of the mounting box. An optical fiber transmission block 7 is provided inside the positioning connector 6. Before use, the conical limiting sleeve 4 is pre-inserted into multiple optical fiber cables. The connectors of the optical fiber cables are then inserted one by one into the corresponding optical fiber insertion holes 3 of the optical fiber connector block 2. Subsequently, the conical limiting sleeve 4 is screwed into the locking connector 1 from the cable end, which limits and locks the optical fiber cables, preventing the cables from being dislodged from the optical fiber insertion holes 3 by external force. This completes the positioning of both ends of the optical fiber cables. When installing the connector, if coke oven signals need to be transmitted, the corresponding positioning connector 6 is installed at the PLC mounting box to be connected. The fiber optic transmission block 7 transmits the data to the PLC mounting box for data processing. Since the locking connector 1 of the fiber optic cable is pre-installed, the fiber optic cable with the locking connector 1 installed is simply inserted into the positioning connector 6 and then locked by the connecting connector 5. No professional operator is required to further process the cable, resulting in high maintenance and replacement efficiency. The fiber optic cable of this application uses existing technology, and its ends all have snap-fit ​​connectors. The snap-fit ​​connectors and fiber optic insertion holes 3 use existing technology with self-locking force, which will not be elaborated here. Since there are many signals in the coke oven equipment, the locking connector 1 of this application can connect multiple fiber optic cables at one time, thereby improving the insertion efficiency. The conical limiting sleeve 4 plays a further squeezing and limiting role on the connected cable.

[0041] The locking connector 1 is provided with a threaded ring 11 at the top. The top of the threaded ring 11 is connected to four conical locking blocks 12, which are arranged in a cross shape. The threaded ring 11 is matched and connected to the inside of the conical limiting sleeve 4. When installing the locking connector 1, the fiber optic cable connector is first inserted into the internal fiber optic plug hole 3 to play a preliminary limiting role. Then, the conical limiting sleeve 4 is screwed into the threaded ring 11. As the conical threaded ring 11 is screwed down, it will apply pressure to the conical locking blocks 12 to move towards the center, thereby squeezing and positioning all the internal fiber optic cables.

[0042] The bottom of the conical limiting sleeve 4 is provided with a first friction ring 41, which can increase the friction force when the conical limiting sleeve 4 is tightened.

[0043] A rubber sealing ring 42 is bonded to the inner top of the conical limiting sleeve 4. The rubber sealing ring 42 is used to increase the friction when locking the optical fiber cable. It can also play a sealing role when the conical limiting sleeve 4 is tightened. When the photovoltaic cable is locked, the conical limiting sleeve 4 will drive all the conical locking blocks 12 to squeeze the photovoltaic cable in the middle to play a limiting role. The rubber sealing ring 42 at the end of the conical limiting sleeve 4 can improve the limiting effect of the photovoltaic cable. The size of the notch at the end of the conical limiting sleeve 4 and the conical locking block 12 in this application is pre-manufactured according to the thickness and quantity of the cable to ensure a better limiting effect on the photovoltaic cable.

[0044] The locking connector 1 has a concave groove 13 at its bottom, which slides to connect the connecting connector 5. The connecting connector 5 has a second friction ring 51 on its outer side, and a locking ring 52 on its outer side. The locking ring 52 engages with the protective sleeve 8. After the locking connector 1 is inserted into the positioning connector 6, it is threaded through the outer connecting connector 5. The second friction ring 51 increases the friction during rotation, and the protective sleeve 8 protects the entire connector.

[0045] The protective sleeve 8 includes symmetrically arranged semicircular sleeves 81. The bottom of each semicircular sleeve 81 is provided with a limiting step 82, which engages with the locking ring 52. A connecting plate 83 is provided on the outer side of each semicircular sleeve 81, and the connecting plates 83 are connected by bolts. Due to the complex environment of the coke oven site, the protective sleeve 8 is designed so that when the joint is connected, the limiting steps 82 of the two semicircular sleeves 81 engage with the locking ring 52, and the two semicircular sleeves 81 are then combined into a whole circular sleeve by bolts to provide protection.

[0046] The top of the semi-circular sleeve 81 is connected to a conical protective plate 84. The conical protective plate 84 is pressed inward, thereby limiting the fiber optic cable and preventing foreign objects from entering.

[0047] The positioning connector 6 is provided with a positioning plate 61 on the outside. The positioning plate 61 has a threaded hole 62. The threaded hole 62 of the positioning plate 61 can be used to install the entire positioning connector 6 at the interface of the mounting box.

[0048] The positioning plate 61 is provided with threaded connectors 63 on both sides, and the threaded connectors 63 are matched and connected to the coupling connectors 5. The optical fiber transmission block 7 is provided with optical fiber connectors 71 on both sides, and the optical fiber connectors 71 are matched and connected to the optical fiber insertion holes 3. Since various equipment in the coke oven site may change positions according to production conditions, the required optical fiber cable lengths are also different. In order to facilitate timely adjustment of the optical fiber cable length, the positioning connectors 6 can also quickly connect two optical fiber cables to obtain a long optical fiber cable. When it is necessary to connect the optical fiber cables, the locking connectors 1 with the connected optical fiber cables are connected to the threaded connectors 63 at both ends, and then tightened by the coupling connectors 5. Finally, the protective sleeves 8 are installed as needed to provide protection.

[0049] The above-described embodiments are merely illustrative of certain implementations of this utility model, and their descriptions are relatively specific and detailed. However, they should not be construed as limiting the scope of this utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these modifications and improvements all fall within the protection scope of this utility model. Therefore, the protection scope of this utility model patent should be determined by the appended claims.

Claims

1. A positioning device based on optical fiber sensing technology, characterized in that: Including locking joint (1), the locking joint (1) is equipped with optical fiber connecting block (2), the optical fiber connecting block (2) is opened optical fiber insertion hole (3), the locking joint (1) top connects conical limiting sleeve (4), the optical fiber connecting block (2) bottom outside connects combination joint (5), the combination joint (5) is screwed with positioning joint (6), the positioning joint (6) is detachably connected with installation box interface, the positioning joint (6) is equipped with optical fiber transmission block (7) in.

2. The positioning device based on fiber optic sensing technology according to claim 1, characterized in that: The locking joint (1) top is equipped with threaded ring (11), the threaded ring (11) top connects four conical clamping blocks (12), the conical clamping blocks (12) are arranged in cross, the threaded ring (11) is matched with the inside of the conical limiting sleeve (4).

3. The positioning device based on fiber optic sensing technology according to claim 2, characterized in that: The conical limiting sleeve (4) bottom annularly is equipped with first friction ring (41).

4. The positioning device based on fiber optic sensing technology according to claim 2, characterized in that: The conical limiting sleeve (4) top inside rubber sealing ring (42) is bonded.

5. The positioning device based on fiber optic sensing technology according to claim 1, characterized in that: The locking joint (1) bottom is equipped with recessed slide groove (13), the recessed slide groove (13) is slidably connected with the combination joint (5), the combination joint (5) outside is equipped with second friction ring (51), the second friction ring (51) outside is equipped with clamping ring (52), the clamping ring (52) clamps protection sleeve (8).

6. The positioning device based on fiber optic sensing technology according to claim 5, characterized in that: The protection sleeve (8) includes symmetrical half-round sleeve (81), the half-round sleeve (81) bottom is equipped with limiting step (82), the limiting step (82) clamps the clamping ring (52), the half-round sleeve (81) outside is equipped with connecting plate (83), the connecting plate (83) is connected by bolt between.

7. The positioning device based on fiber optic sensing technology according to claim 6, characterized in that: The half-round sleeve (81) top connects conical protection plate (84).

8. The positioning device based on fiber optic sensing technology according to claim 1, characterized in that: The positioning joint (6) outside is equipped with positioning plate (61), the positioning plate (61) is opened threaded hole (62).

9. The positioning device based on fiber optic sensing technology according to claim 8, characterized in that: The positioning plate (61) both sides are equipped with threaded connector (63), the threaded connector (63) is matched with the combination joint (5), the optical fiber transmission block (7) both sides are equipped with optical fiber plug-in connector (71), the optical fiber plug-in connector (71) is matched with the optical fiber insertion hole (3).

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