Intelligent optical fiber integrated tray
By introducing intelligent fiber adapters and PCB boards into the integrated fiber optical tray and integrating optical signal receiving devices, the problem of existing fiber optical tray management methods relying on paper labels is solved, intelligent management is realized, work efficiency is improved and operation and maintenance costs are reduced.
Patent Information
- Application Number
- CN202510407065.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-02
- Publication Date
- 2025-05-30
AI Technical Summary
In the construction work of changes or abandonment or addition of optical transmission paths, existing optical fiber integrated pallets rely on paper labels, resulting in increased workload and high operating error rates, reducing work efficiency and increasing operation and maintenance costs.
An intelligent fiber integrated pallet is designed. By introducing PCB board and pin terminals between the tray body and the fiber adapter, communication between the fiber adapter and the tray is realized, and optical signal receiving device is integrated in the fiber adapter, including a ceramic core, a chip holder, an optical fiber filter and a photosensitive chip, to detect and manage fiber signals.
It realizes intelligent management of integrated fiber-optic pallets, reduces operational errors, improves work efficiency, reduces operation and maintenance costs, and provides more reliable fiber signal management through the detection and extraction function.
Smart Images
Figure CN120065437A_ABST
Abstract
Description
Technical Field
[0001] The present invention belongs to the field of communication technologies, and particularly relates to an optical fiber tray. Background Art
[0002] An integrated optical fiber tray is a device for optical fiber fusion splicing, storage, and wiring, and is widely used in the communication field. It is usually called an integrated tray, an integrated fiber splicing tray, etc. The design of the integrated optical fiber tray makes the operations of optical fiber fusion splicing, storage, and wiring more convenient and efficient. In recent years, in the communication field, optical fibers capable of high-speed and large-capacity transmission have become the mainstream of transmission lines and are further developing. Subsequently, especially in optical communication-related equipment such as data centers or telecommunications machine rooms, construction work such as frequent changes, abandonment, or addition of optical transmission paths is carried out. The current management method is to attach paper labels to jumpers to manage the optical fiber communication direction address and transmission content of this port. However, due to a large number of change or demolition operations, the workload of reattaching paper labels has increased sharply. Moreover, due to the mistakes or negligence of actual operators, the content of the paper labels is very different from the actual optical transmission content, with numerous errors, which has caused great trouble to subsequent constructors, greatly reduced work efficiency, and increased operation and maintenance costs. Summary of the Invention
[0003] The technical problem to be solved by the present invention is to provide an intelligent integrated optical fiber tray.
[0004] To solve the above problems, the technical solution adopted by the present invention includes: a tray body and an upper cover. A group of adapter mounting slots arranged at intervals are provided at the front end of the tray body. A group of optical fiber adapters are installed through the adapter mounting slots. A PCB board for communicating with the optical fiber adapters is provided at the bottom of the tray body. The PCB board is provided with pin terminals inserted into the optical fiber adapters in pairs, and a communication interface is provided at one end. The optical fiber adapter includes a housing, a bushing provided inside the housing, a ceramic sleeve provided inside the bushing, and an optical signal receiving device provided inside the ceramic sleeve. A connector socket connected to the optical signal receiving device is provided on one side of the bushing. The connector socket includes a reed base, a positive reed terminal, and a negative reed terminal provided on the reed base. The positive reed terminal and the negative reed terminal are both provided with pin jacks. A pin relief hole is provided on the housing. When the optical fiber adapter is installed in the adapter mounting slot, the pin terminals in pairs are respectively inserted into the pin jacks and are respectively conducted with the positive reed terminal and the negative reed terminal.
[0005] The optical signal receiving device includes: A ceramic ferrule, which is provided with a U-shaped mounting groove in the middle, and fiber pre-embedded holes axially extending at both ends and communicating with the U-shaped mounting groove; A chip holder is installed in the U-shaped installation groove. It includes a lower holder and an upper holder connected to the upper end of the lower holder. A filter installation groove and an optical fiber positioning groove are provided at the bottom of the lower holder. A chip installation groove is provided at the bottom of the upper holder. A light-transmitting hole communicating with the chip installation groove is provided in the filter installation groove. An optical fiber filter is installed in the filter installation groove of the lower holder. A photosensitive chip is installed in the chip installation groove of the upper holder. A positive chip pin is integrally insert-molded on one side of the upper holder, and a positive conductive surface connected to the photosensitive chip is provided at the lower end. A negative chip pin is integrally insert-molded on the other side of the upper holder, and a negative conductive surface connected to the photosensitive chip is provided at the lower end. Pin jacks for plugging with the positive chip pin and the negative chip pin are respectively provided on the positive reed terminal and the negative reed terminal.
[0006] The negative conductive surface is attached to the upper end surface of the photosensitive chip, and conductive silver paste is provided between the end surfaces of the negative conductive surface.
[0007] The positive conductive surface is welded to the lower end surface of the photosensitive chip through a wire.
[0008] A diffraction grating is provided in the optical fiber pre-embedded hole of the ceramic ferrule, and the optical signal is diffracted to the optical fiber filter through the diffraction grating, and the specific wavelength of the prepared light is filtered out for the photosensitive chip to receive.
[0009] A heat dissipation hole is provided in the upper holder corresponding to the positive conductive surface.
[0010] The light-transmitting hole is provided at the center of the filter installation groove, and has a length of 0.4 mm - 0.45 mm and a width of 0.1 mm - 0.15 mm.
[0011] The pin jacks are connected to the positive reed terminal and the negative reed terminal through elastic strips.
[0012] A heat dissipation fan is provided at the bottom of the tray body.
[0013] A wire clamping frame is provided at the bottom of the tray body.
[0014] The advantages of the intelligent optical fiber integrated tray of the present invention are as follows: 1. By integrating the optical fiber adapter with the detection light extraction function with the tray, the intelligent management of the optical fiber integrated tray is realized; 2. The wiring between the PCB board and the optical fiber adapter is more convenient and reliable, and the welding or plugging leads are omitted; 3. The structure of the optical signal receiving device is more stable and reliable, and it is convenient for assembly and wiring.
[0015] The present invention will be further described below in conjunction with the accompanying drawings of the specification. Description of the Drawings
[0016] Figure 1 is a front structural schematic diagram of the intelligent fiber optic integrated tray of the present invention; Figure 2 is a back structural schematic diagram of the intelligent fiber optic integrated tray of the present invention; Figure 3 is an exploded view of the intelligent fiber optic integrated tray of the present invention; Figure 4 is a partial structural schematic diagram of the PCB board of the present invention; Figure 5 is a structural schematic diagram of the fiber optic adapter of the present invention; Figure 6 is Figure 5 a sectional view taken along the line A-A of Figure 7 is Figure 5 a sectional view taken along the line B-B of Figure 8 is an exploded view of the fiber optic adapter of the present invention; Figure 9 is an exploded view of the optical signal receiving device of the present invention; Figure 10 is a sectional view of the optical signal receiving device of the present invention; Figure 11 is a structural schematic diagram of the connector socket of the present invention; Figure 12 is an exploded view of the connector socket of the present invention; Figure 13 is a structural schematic diagram of the lower bracket of the present invention; Figure 14 is a structural schematic diagram of the upper bracket of the present invention. Detailed Embodiments
[0017] Refer to Figures 1-14As shown, the intelligent fiber optic integrated tray of the present invention includes a tray body 1 and an upper cover 2. A set of adapter mounting grooves 3 arranged at intervals are provided at the front end of the tray body 1, and fiber optic adapters 4 are installed through the adapter mounting grooves 3. The fiber optic adapters 4 are used to connect with fiber optic connectors 45. A PCB board 5 for communicating with the fiber optic adapters 4 is provided at the bottom of the tray body 1. Pin terminals 6 that are grouped in pairs and inserted into the fiber optic adapters 4 are provided on the PCB board 5, and a communication interface 7 is provided at one end of the PCB board 5. The communication interface 7 includes an RJ-45 interface or an HDMI interface, etc., and communicates with a laptop computer through the communication interface 7. An LED light for indicating the status is usually also provided on the PCB board 5. When the communication between the pin terminals 6 and the fiber optic adapters 4 is normal, the LED light 40 emits light. The fiber optic adapter 4 includes a housing 8, a bushing 9 provided in the housing 8, a ceramic sleeve 10 provided in the bushing 9, and an optical signal receiving device 11 provided in the ceramic sleeve 10. A connector socket 12 connected to the optical signal receiving device 11 is provided on one side of the bushing 9. The connector socket 12 includes a reed base 13, a positive reed terminal 14 and a negative reed terminal 15 provided on the reed base 13. Pin insertion holes 16 are provided on both the positive reed terminal 14 and the negative reed terminal 15. A pin relief hole 17 is provided on the housing 8. When the fiber optic adapter 4 is inserted into the adapter mounting groove 3, the pin terminals 6 grouped in pairs are respectively inserted into the pin insertion holes 16 and are respectively conducted with the positive reed terminal 14 and the negative reed terminal 15.
[0018] Preferably, the optical signal receiving device 11 includes: a ceramic ferrule 18, a chip carrier 19, an optical fiber filter 20, a photosensitive chip 21, a positive chip pin 22, and a negative chip pin 23. A U-shaped mounting groove 24 is provided in the middle of the ceramic ferrule 18, and optical fiber pre-embedded holes 25 extending axially at both ends and communicating with the U-shaped mounting groove 24 are provided. The chip carrier 19 is installed in the U-shaped mounting groove 24, and includes a lower carrier 26 and an upper carrier 27 connected to the upper end of the lower carrier 26. A filter mounting groove 28 and an optical fiber positioning groove 29 are provided at the bottom of the lower carrier 26, and a chip mounting groove 30 is provided at the bottom of the upper carrier 27. A light-transmitting hole 46 communicating with the chip mounting groove 30 is provided in the filter mounting groove 28. The light-transmitting hole 46 is provided at the center of the filter mounting groove 28, and has a length of 0.4 mm - 0.45 mm and a width of 0.1 mm - 0.15 mm. The light-transmitting hole 46 is most preferably 0.4 mm * 0.15 mm in size. Through the cooperation of the lower carrier 26 and the light-transmitting hole 46, scattered light is isolated, so that the photosensitive chip 21 can receive useful light more effectively. The optical fiber filter 20 is installed in the filter mounting groove 28 of the lower carrier 26. The photosensitive chip 21 is installed in the chip mounting groove 30 of the upper carrier 27. The upper carrier 27 is riveted and fixed to the lower carrier 26 through a set of riveting feet 41 at the bottom and riveting holes 42 on the lower carrier 26. The positive chip pin 22 is integrally insert-molded on one side of the upper carrier 27, and a positive conductive surface 31 connected to the photosensitive chip 21 is provided at the lower end. The negative chip pin 23 is integrally insert-molded on the other side of the upper carrier 27, and a negative conductive surface 32 connected to the photosensitive chip 21 is provided at the lower end. Pin jacks 33 for inserting the positive chip pin 22 and the negative chip pin 23 are respectively provided on the positive reed terminal 14 and the negative reed terminal 15. Through the above structure, the structure of the optical signal receiving device 11 is more stable and reliable, and is convenient for assembly and wiring.
[0019] Preferably, the negative conductive surface 32 is attached to the upper end surface of the photosensitive chip 21, and a conductive silver paste 34 is provided between the end surfaces of the negative conductive surface 32. The positive conductive surface 31 is welded to the lower end surface of the photosensitive chip 21 through a wire 39. The wire 39 is a copper wire or a gold wire. To achieve the connection between the positive chip pin 22, the negative chip pin 23 and the photosensitive chip 21, and ensure the stability and reliability of the wiring.
[0020] Preferably, a diffraction grating 36 is provided in the optical fiber pre-embedded hole 25 of the ceramic ferrule 18, and the optical signal is diffracted to the filter 20 through the diffraction grating 36, and the filter 20 filters out the specific wavelength of the prepared light for the photosensitive chip 21 to receive. After assembly, both ends of the diffraction grating 36 are fixed in the chip mounting groove 30 at the bottom of the upper bracket 27. The diffraction grating is an optical element with a periodic structure, and the amplitude or phase (or both) of the incident light is modulated periodically by a regular structure. The main function of the diffraction grating is to split and diffract the incident light into multiple beams propagating in different directions. The optical fiber filter is also a key optical element, which is widely used in optical communication systems. Its main function is to filter out the optical signals of specific wavelengths and only allow the required wavelengths to pass through, so as to ensure the quality and efficiency of optical signal transmission. Both the diffraction grating and the optical fiber filter are well-known technologies. The present invention mainly applies the combination of the two to the optical signal receiving device 11 of the present invention to achieve the best light-taking effect.
[0021] Preferably, the upper bracket 27 is provided with heat dissipation holes 37 corresponding to the positive conductive surface 31 to play a role in dissipating heat from the photosensitive chip 21.
[0022] Preferably, the adapter mounting groove 3 is in a T shape. This T-shaped structure is adapted to the outer shell 8 of the fiber optic adapter 4, and it is preferably in interference fit with it to achieve stable installation of the outer shell 8.
[0023] Preferably, the pin jack 33 is connected to the positive spring terminal 14 and the negative spring terminal 15 through an elastic section 38. To reduce the tolerance of the pin jack 33, and thus it can be better inserted into the positive chip pin 22 and the negative chip pin 23.
[0024] Preferably, a cooling fan 43 is provided at the bottom of the tray body 1 to improve the heat dissipation performance.
[0025] Preferably, a wire clamping frame 44 is provided at the bottom of the tray body 1 for better fixing of the optical fiber.
[0026] As described above, it is not any form of limitation to the present invention. Although the present invention has been disclosed above with preferred embodiments, it is not intended to limit the present invention. Any person skilled in the art, without departing from the technical solution scope of the present invention, can make some changes or modifications to the above-disclosed structure and technical content to be equivalent implementation cases of equivalent changes. However, as long as it does not depart from the technical solution content of the present invention, any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present invention still fall within the technical solution scope of the present invention.
Claims
1. An intelligent optical fiber integrated tray, comprising a tray body (1) and an upper cover (2), wherein a group of adapter mounting grooves (3) arranged at intervals are provided at the front end of the tray body (1), and a group of optical fiber adapters (4) are installed through the adapter mounting grooves (3), characterized in that: A PCB board (5) for communicating with the optical fiber adapter (4) is provided at the bottom of the tray body (1); the PCB board (5) is provided with pin terminals (6) for respectively plugging into the optical fiber adapter (4) in groups of two, and a communication interface (7) is provided at one end; the optical fiber adapter (4) comprises a housing (8), a bushing (9) provided in the housing (8), a ceramic sleeve (10) provided in the bushing (9), and an optical signal receiving device (11) provided in the ceramic sleeve (10); a connector socket (11) connected to the optical signal receiving device (11) is provided on one side of the bushing (9). 12), the connector socket (12) comprises a reed base (13) and a positive reed terminal (14) and a negative reed terminal (15) arranged on the reed base (13), the positive reed terminal (14) and the negative reed terminal (15) are both provided with a pin insertion hole (16), the housing (8) is provided with a pin clearance hole (17), when the optical fiber adapter (4) is installed in the adapter installation groove (3), the pin terminals (6) in groups of two are respectively inserted into the pin insertion holes (16) and are respectively connected to the positive reed terminal (14) and the negative reed terminal (15).
2. The intelligent optical fiber integrated tray according to claim 1, characterized in that: The optical signal receiving device (11) comprises: A ceramic ferrule (18) having a U-shaped mounting groove (24) in the middle and optical fiber pre-buried holes (25) extending axially and communicating with the U-shaped mounting groove (24) at both ends; A chip bracket (19) is installed in the U-shaped mounting groove (24), comprising a lower bracket (26) and an upper bracket (27) connected to the upper end of the lower bracket (26), wherein the bottom of the lower bracket (26) is provided with a filter mounting groove (28) and an optical fiber positioning groove (29), and the bottom of the upper bracket (27) is provided with a chip mounting groove (30), and the filter mounting groove (28) is provided with a light-transmitting hole (46) that is in communication with the chip mounting groove (30); An optical fiber filter (20) is installed in a filter installation groove (28) of the lower bracket (26); A photosensitive chip (21) is installed in a chip installation groove (30) of the upper bracket (27); A positive electrode chip pin (22) is integrally insert-molded on one side of the upper bracket (27), and a positive electrode conductive surface (31) connected to the photosensitive chip (21) is provided at the lower end; A negative electrode chip pin (23) is integrally insert-molded on the other side of the upper bracket (27), and a negative electrode conductive surface (32) connected to the photosensitive chip (21) is provided at the lower end; The positive electrode reed terminal (14) and the negative electrode reed terminal (15) are respectively provided with pin sockets (33) for plugging into the positive electrode chip pins (22) and the negative electrode chip pins (23).
3. The intelligent optical fiber integrated tray according to claim 2, characterized in that: The negative electrode conductive surface (32) is attached to the upper end surface of the photosensitive chip (21), and a conductive silver glue (34) is provided between the negative electrode conductive surface (32) and the end surface.
4. The intelligent optical fiber integrated tray according to claim 2, characterized in that: The positive electrode conductive surface (31) is welded to the lower end surface of the photosensitive chip (21) via a wire (39).
5. The intelligent optical fiber integrated tray according to claim 2, characterized in that: A diffraction grating (36) is provided in the optical fiber pre-buried hole (25) of the ceramic ferrule (18), and the optical signal is diffracted to the optical fiber filter (20) through the diffraction grating (36), and the compiled light of a specific wavelength is filtered out for reception by the photosensitive chip (21).
6. The intelligent optical fiber integrated tray according to claim 2, characterized in that: The upper bracket (27) is provided with a heat dissipation hole (37) at a position corresponding to the positive electrode conductive surface (31).
7. The intelligent optical fiber integrated tray according to claim 2, characterized in that: The light-transmitting hole (46) is arranged at the center of the filter installation groove (28), and has a length of 0.4 mm to 0.45 mm and a width of 0.1 mm to 0.15 mm.
8. The intelligent optical fiber integrated tray according to claim 2, characterized in that: The pin jack (33) is connected to the positive electrode reed terminal (14) and the negative electrode reed terminal (15) via an elastic section (38).
9. The intelligent optical fiber integrated tray according to claim 1, characterized in that: A heat dissipation fan (43) is provided at the bottom of the tray body (1).
10. The intelligent optical fiber integrated tray according to claim 1, characterized in that: A wire clamping frame (44) is provided at the bottom of the tray body (1).