Optical fiber sensing communication terminal
By using a resonant horn and connectors in the fiber optic sensing communication terminal, the problems of low sound wave utilization and easy damage of traditional vibration components are solved, achieving efficient optical cable information transmission and extended service life.
Patent Information
- Application Number
- CN202423142997.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-18
- Publication Date
- 2025-12-12
- Estimated Expiration
- 2034-12-18
AI Technical Summary
In traditional fiber optic sensing and communication terminals, the acoustic wave utilization rate of vibration components is low and they are easily damaged, affecting the information transmission effect and service life of optical cables.
A resonant horn is used instead of a traditional vibration component, and the resonant disk of the resonant horn is connected to the optical cable through a connector. The vibration is uniformly transmitted to the optical cable using the connector and coupling plate. The design is an integral structure to improve energy utilization and durability.
It improves the energy utilization rate of optical cables, extends their service life, and simplifies the installation and debugging process of optical sensing communication terminals.
Smart Images
Figure CN223666352U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to optical fiber sensing communication technical field, concretely relates to an optical fiber sensing communication terminal. BACKGROUND
[0002] The optical fiber sensing communication terminal encodes the required sensor signal by software, drives the vibration component to sound according to the encoding of the sensor signal, converts the electric signal into the sound wave vibration signal, and makes the optical cable vibrate by the sound wave vibration signal; the phase-sensitive optical time domain reflection host receives the information returned by the optical cable, and obtains the information uploaded by the optical sensing terminal after data processing.
[0003] In the stage of optical sensing information transmission, the selection of the vibration component is very important, which directly affects the effect on the optical cable; the traditional vibration component has two setting modes, one is to place the vibration component close to the optical cable, and the loudspeaker sound is conducted to the optical cable through the air, which leads to low sound wave utilization rate and poor optical cable receiving effect, so that the phase-sensitive optical time domain reflection host restores the information uploaded by the optical sensing terminal with poor ability; the second is to directly contact the optical cable with the vibration component, which increases the utilization rate of the sound wave compared with the first method, but long-term use will cause the vibration membrane of the vibration component to deform, the conduction effect to be poor or even damaged. UTILITY MODEL CONTENT
[0004] The utility model aims at overcoming at least one of the above-mentioned prior art, and provides a vibration device acting on the optical cable, which is used to overcome the problem of low sound wave utilization rate of the traditional vibration component.
[0005] The utility model provides a kind of optical fiber sensing communication terminal, comprising
[0006] Shell component, including mutually detachable connection's first shell and second shell, the first shell and the second shell can be enclosed to form containing space, the shell component further includes the clamping port being communicated with the containing space, each clamping port includes the first clamping groove in the first shell and the second clamping groove in the second shell, in the first shell and the second shell connection state, the clamping port can hold optical cable, the optical cable can pass through the containing space and the clamping port;
[0007] Control panel, installation is in the containing space, and the control panel is used to generate vibration signal;
[0008] The vibration assembly is installed in the accommodating space; the vibration assembly comprises a resonance horn and a connecting piece, the resonance horn is provided with a resonance disc; one end of the connecting piece is connected with the resonance disc, and the other end is used for being arranged on the optical cable; the resonance horn is electrically connected with the control panel; the resonance horn can vibrate the optical cable according to the vibration signal, so that the optical signal in the optical cable can generate a reflected optical signal corresponding to the vibration signal. In the process that the optical sensing communication terminal accesses the optical cable, the optical cable does not need to be disconnected and connected, the convenience of the optical sensing communication terminal accessing the optical cable is improved, the damage of the optical cable in the access process is reduced, and the same optical cable can be simultaneously accessed by multiple optical sensing communication terminals at different positions; in addition, the resonance disc is arranged on the connecting piece, the vibration generated by the resonance horn acts on the resonance disc, the resonance disc vibrates and transmits to the connecting piece, so that the contact surface of the whole connecting piece and the resonance device resonates as a whole, and the connecting piece transmits the vibration generated by the resonance to the optical cable, so that the optical cable generates a vibration signal. The device replaces the traditional vibration assembly with the resonance horn, and connects the vibration disc of the resonance horn with the optical cable by the connecting piece, so that the energy utilization rate is high, and the resonance disc is relatively more solid than the traditional vibration assembly, and has a long service life. At the same time, the connecting piece can be designed as an integral structure with the resonance disc of the resonance horn, when the vibration device is disassembled, as long as the connecting piece is not disassembled from the optical cable, the vibration device can be used without debugging after reassembling, so that the assembling and debugging efficiency is improved.
[0009] Further, the connecting piece comprises a coupling plate and a coupling piece, the coupling piece connects the coupling plate and is used for coupling the optical cable; the resonance horn is arranged on the coupling plate through the resonance disc.
[0010] The resonance horn does not rely on its own diaphragm to produce sound, but transmits vibration to the resonance disc, the resonance disc has a larger medium surface than the prior art, so that the whole medium surface resonates, therefore, the coupling plate is connected with the resonance disc of the resonance horn, the coupling plate amplifies the resonance movement of the resonance disc and transmits to the optical cable, so as to ensure the resonance effect.
[0011] Further, the coupling piece comprises a wrapping part and fixing parts arranged at two ends of the wrapping part, the wrapping part wraps the optical cable, and the coupling plate is installed on the fixing parts.
[0012] The optical fiber needs to pass through many layers of protective structures from the outside to the optical cable, and each group of optical fiber changes in bending or spiral, so that selecting a single point as a hard contact with the resonance disc of the resonance device cannot be applied to all optical fibers; in addition, the density of the filler at each position of the optical cable is not completely the same, so that the response of each point frequency is not the same, the wrapping part wraps the optical cable, the coupling plate is connected to the wrapping part, the coupling plate transmits vibration to the wrapping part, and the wrapping part uniformly transmits vibration to the optical cable, so as to reduce the condition that the optical cable has different responses to each frequency.
[0013] Further, a surface of the coupling plate is mounted on the fixed part at both ends and the surface is used to fit the optical cable.
[0014] The coupling plate directly contacts the optical cable, so that the vibration received by the coupling plate is directly conducted on the optical cable, thereby improving energy utilization; and the resonance disc is made of metal, so that compared with the traditional vibration assembly, the resonance disc has low damage rate and long service life.
[0015] Further, the wrapping part is in arc structure, both ends of the arc structure are the fixed parts, and the inner surface of the wrapping part is used to fit the outer surface of the optical cable.
[0016] The inner surface of the wrapping part fits the outer surface of the optical cable, the wrapping part semi-wraps the optical cable, reduces the loss of vibration in the air, and can act most of the energy of the vibration on the optical cable, thereby improving energy utilization.
[0017] Further, the coupling plate is provided with a limiting device for limiting the resonance horn.
[0018] The limiting device is arranged on the coupling plate to limit the resonance device, so as to prevent the resonance device from falling off the connecting piece during the vibration process.
[0019] Further, the limiting device is a protrusion, and the bottom of the resonance device is provided with a recess corresponding to the protrusion.
[0020] The coupling plate is provided with a protrusion, and the bottom of the resonance device is provided with a recess corresponding to the protrusion, so as to limit the movement of the resonance device through the embedded structure, thereby preventing the resonance device from falling off due to displacement during the vibration process.
[0021] Further, the connecting piece and the resonance disc are threadedly connected.
[0022] Further, the length of the connecting piece is 1-10 cm.
[0023] The length of the connecting piece is selected to be within 1-10 cm, so that the length of the connecting piece is too long to increase the weight of the coupling piece, so that the resonance disc cannot vibrate, and the length of the connecting piece is too short to obtain good frequency response due to the change of the internal fiber group direction.
[0024] Further, the communication module is arranged in the accommodating space; the communication module is electrically connected with the control board; the communication module is used for communication with the external sensor; and the control board is configured to generate the corresponding vibration signal according to the sensor signal.
[0025] The control board is electrically connected with the communication module to receive the signal of the external sensor and generate the corresponding vibration signal according to the received signal.
[0026] Compared with the prior art, the utility model discloses the beneficial effects are:
[0027] 1, the utility model discloses a resonance horn including resonance disc is used instead of traditional vibration component, and resonance horn can compare traditional component energy utilization rate, and can act on the cable with vibration most energy, simultaneously, the resonance disc of resonance horn is metal material, and the hardness of resonance disc is high, and compared with the vibrating diaphragm, is not easy to damage, and the service life is long.
[0028] 2, the utility model discloses the connection piece is set up on the cable with resonance horn, and the resonance disc of resonance horn is designed as a whole structure spare with connection piece, when disassembling the light sensing terminal, just do not disassemble connection piece and cable, and can use without debugging when assembling again, improve the installation and adjustment efficiency.
[0029] 3, the utility model discloses the connection piece is set as the structure of wrapping, and is attached and wrapped on the cable, and the vibration is transmitted to the wrapping portion with the coupling board on the coupling board, and the wrapping portion evenly transmits the vibration to the cable, and reduces the situation that the cable is not the same to each frequency response. BRIEF DESCRIPTION OF DRAWINGS
[0030] Figure 1 It is the connection piece structure schematic diagram of short length in this embodiment.
[0031] Figure 2 It is the connection piece structure schematic diagram of long length in this embodiment.
[0032] Figure 3 It is the use state schematic diagram of this embodiment.
[0033] Figure 4 It is the coupling piece structure schematic diagram in this embodiment.
[0034] Figure 5 It is the shell assembly structure schematic diagram in this embodiment.
[0035] Fig. 1- cable, 2- coupling board, 3- coupling piece, 301- fixed part, 302- wrapping portion, 4- resonance horn, 5- resonance disc, 6- limiting device, 7- first shell, 8- second shell, 9- clamping mouth, 901- first clamping groove, 902- second clamping groove, 10- containing space. DETAILED DESCRIPTION
[0036] The utility model drawing is only used for example explanation, can not be understood as the limitation of the utility model. In order to better illustrate the following embodiment, some components of the drawing can be omitted, enlarged or reduced, and the size of actual product is not represented, and for the person skilled in the art, some well-known structures in the drawing and its description can be omitted.
[0037] The embodiment provides an optical fiber sensing communication terminal, which comprises
[0038] A shell assembly, which comprises Figure 5 As shown, the shell assembly comprises a first shell 7 and a second shell 8 which are detachably connected with each other and can jointly enclose a containing space 10, and further comprises clamping openings 9 which communicate with the containing space 10, each of the clamping openings 9 comprises a first clamping groove 901 on the first shell 7 and a second clamping groove 902 on the second shell 8, and the clamping openings 9 can clamp an optical cable 1 which can pass through the containing space 10 and the clamping openings 9 when the first shell 7 and the second shell 8 are connected;
[0039] A control board which is installed in the containing space 10 and can generate a vibration signal;
[0040] A vibration assembly which is installed in the containing space 10 and comprises a resonance horn 4 and a connecting piece, the resonance horn 4 is provided with a resonance disc 5, one end of the connecting piece is connected with the resonance disc 5 and the other end is used for being arranged on the optical cable 1, the resonance horn 4 is electrically connected with the control board, and the resonance horn 4 can vibrate the optical cable 1 according to the vibration signal so that an optical signal in the optical cable 1 can generate a reflected optical signal corresponding to the vibration signal.
[0041] In the process that the above optical sensing communication terminal accesses the optical cable 1, the optical cable 1 does not need to be disconnected and spliced, the convenience of the optical sensing communication terminal in accessing the optical cable 1 is improved, the damage of the optical cable 1 in the access process is reduced, and the same optical cable 1 can be simultaneously accessed by multiple optical sensing communication terminals at different positions; in addition, the resonance disc 5 is arranged on the connecting piece, the vibration generated by the resonance horn 4 acts on the resonance disc 5, the resonance disc 5 vibrates and transmits to the connecting piece, so that the whole connecting piece and the contact surface of the resonance horn 5 generate resonance, and the connecting piece transmits the vibration generated by the resonance to the optical cable 1, so that the optical cable 1 generates a vibration signal. The device replaces the traditional vibration assembly with the resonance horn, and connects the vibration disc 5 of the resonance horn 4 with the optical cable 1 by using the connecting piece, the energy utilization rate is high, and the resonance disc 5 is relatively more solid than the traditional vibration assembly and has a long service life. At the same time, the connecting piece and the resonance disc 5 of the resonance horn 4 can be designed as an integral structure, when disassembling, as long as the connecting piece and the optical cable are not disassembled, the device can be used without debugging when reassembling, and the assembling and debugging efficiency is improved.
[0042] As shown in the figure, Figure 1 The connecting piece comprises a coupling plate 2 and a coupling piece 3, the coupling piece 3 connects the coupling plate 2 and is used for coupling the optical cable 1, and the resonance horn 4 is arranged on the coupling plate 2 through the resonance disc 5.
[0043] The resonance horn does not rely on its own diaphragm to produce sound, but transmits vibration to the resonance disc 5, which has a larger medium surface than the prior art, so that the whole medium surface resonates. Therefore, the coupling plate 2 is connected to the resonance disc 5 of the resonance horn 4, the coupling plate 2 amplifies the resonance movement of the resonance disc 5 and transmits it to the optical cable 1, ensuring the resonance effect. The coupling plate 2 and the coupling member 3 are directly connected through the connecting device, which can use screws, buckles, recessed structures, etc. In the embodiment, screws are used for connection.
[0044] In specific implementation, the coupling member 3 includes a wrapping part 302 and a fixing part 301 arranged at the left and right ends of the wrapping part 302, the wrapping part 302 wraps the optical cable 1, and the coupling plate 2 is installed on the fixing part 301.
[0045] The optical fiber needs to pass through many layers of protective structures from the outside to the optical cable, and each group of optical fibers changes in bending or spiral, so that the individual selection of a certain point for hard contact with the resonance disc 5 of the resonance horn 4 cannot be applied to all optical fibers. In addition, the density of the filler at each point of the optical cable is not completely the same, so that the response of each point frequency is not the same. The wrapping part 302 wraps the optical cable 1, the coupling plate 2 is connected to the upper end of the wrapping part 302, the coupling plate 2 transmits vibration to the wrapping part 302, and the wrapping part 302 uniformly transmits vibration to the optical cable 1, thereby reducing the condition that the optical cable 1 has different responses to each frequency.
[0046] Preferably, a surface of the coupling plate 2 is installed on the fixing part 301 at both ends, and the surface is used to fit the optical cable 1.
[0047] The coupling plate 3 directly contacts the optical cable 1, so that the vibration received by the coupling plate 3 is directly transmitted to the optical cable 1, thereby improving the energy utilization rate. In addition, the resonance disc is made of metal, and compared with the traditional vibration assembly, the resonance disc has a low damage rate and a long service life.
[0048] As shown in Figure 2 The wrapping part 302 is in a circular arc structure, both ends of the arc structure are the fixing part 301, and the inner surface of the wrapping part 302 is used to fit the outer surface of the optical cable 1.
[0049] The inner surface of the wrapping part 302 fits the outer surface of the optical cable 1, the wrapping part 302 wraps the optical cable 1, reduces the loss of vibration in the air, and can act on the optical cable 1 with most of the vibration energy, thereby improving the energy utilization rate.
[0050] In specific implementation, the coupling plate 2 is provided with a limiting device 6 for limiting the resonance horn 4. The limiting device 6 is arranged on the coupling plate 2 to fix the resonance horn 4, thereby preventing the resonance horn 4 from falling off the connecting member during vibration.
[0051] In specific implementation, the limiting device 6 is a protrusion, and the bottom of the resonance horn 4 is provided with a corresponding recess.
[0052] The coupling plate 2 is provided with a protrusion, and the bottom of the resonance horn 4 is provided with a corresponding recess, the resonance horn 4 is limited through the embedded structure, so that the resonance horn 4 is prevented from falling off due to displacement in the vibration process.
[0053] Preferably, the length of the connecting piece is 1-10 cm.
[0054] The length of the connecting piece is selected to be within 1-10 cm, and the length of the connecting piece is too long to increase the weight, so that the resonance disc 5 cannot vibrate, and the length of the connecting piece is too short to obtain a good frequency response due to the change of the internal optical fiber group direction. Figure 2 As shown in FIG. 2, a shorter connecting piece can be selected when being arranged on a shorter optical cable, and as shown in FIG. 3, a longer connecting piece can be selected when being arranged on a longer optical cable. Figure 1 As shown in FIG. 2, a shorter connecting piece can be selected when being arranged on a shorter optical cable, and as shown in FIG. 3, a longer connecting piece can be selected when being arranged on a longer optical cable.
[0055] In specific implementation, the communication module is further arranged in the accommodating space, the communication module is electrically connected with the control board, and the communication module is used for communicating with an external sensor to obtain a sensor signal.
[0056] The control board is electrically connected with the communication module, and is used for receiving a signal of the external sensor and generating a corresponding vibration signal according to the received signal.
[0057] The working mode of the utility model is as follows:
[0058] The control board receives the signal of the external sensor through the communication module, and sends a corresponding vibration signal to the resonance horn 4 according to the received signal, the resonance horn 4 receives the corresponding signal, the resonance disc 5 of the resonance horn 4 generates resonance motion according to the signal, since the resonance disc 5 is arranged on the coupling plate 2, the vibration is simultaneously conducted to the coupling plate 2 and makes the coupling plate 2 as a whole to generate resonance, the coupling plate 2 is arranged on the coupling piece 3, the coupling piece 3 wraps the optical cable 1 as a whole, so as to drive the optical cable 1 to resonate, the optical cable 1 generates vibration information, the phase-sensitive optical time domain reflection host receives the information returned by the optical cable, and obtains the information uploaded by the external sensor after data processing.
[0059] Obviously, the above embodiments of the utility model are only examples for clearly explaining the technical scheme of the utility model, and are not the limitation of the specific implementation of the utility model. Any modification, equivalent replacement and improvement made within the spirit and principle of the utility model claim should be included in the protection scope of the utility model claim.
Claims
1. A fiber optic sensing communication terminal, characterized in that, include: The housing assembly includes a first housing and a second housing that are detachably connected to each other. The first housing and the second housing can together enclose a receiving space. The housing assembly also includes a clamping port communicating with the receiving space. Each clamping port includes a first clamping groove located in the first housing and a second clamping groove located in the second housing. When the first housing and the second housing are connected, the clamping port can clamp an optical cable, and the optical cable can pass through the receiving space and the clamping port. A control board, installed within the accommodating space, is used to generate vibration signals; A vibration assembly is installed within the accommodating space; the vibration assembly includes a resonant horn and a connector, the resonant horn being provided with a resonant disk; one end of the connector is connected to the resonant disk, and the other end is used to be mounted on the optical cable; the resonant horn is electrically connected to the control board, and the resonant horn can vibrate the optical cable according to the vibration signal, so that the optical signal in the optical cable can generate a reflected light signal corresponding to the vibration signal.
2. The fiber optic sensing communication terminal according to claim 1, characterized in that, The connector includes a coupling plate and a coupling element, the coupling element being connected to the coupling plate and used to couple the optical cable; the resonant horn is mounted on the coupling plate via the resonant disk.
3. The fiber optic sensing communication terminal according to claim 2, characterized in that, The coupling element includes a wrapping part and fixing parts disposed at both ends of the wrapping part for partially wrapping the optical cable, and the coupling plate is mounted on the fixing part.
4. The fiber optic sensing communication terminal according to claim 3, characterized in that, One surface of the coupling plate is mounted on the fixing parts at both ends, and the surface is used to attach the optical cable.
5. The fiber optic sensing communication terminal according to claim 3, characterized in that, The wrapping part has an arc-shaped structure, and the two ends of the arc-shaped structure are the fixing parts. The inner surface of the wrapping part is used to fit the outer surface of the optical cable.
6. The fiber optic sensing communication terminal according to claim 2, characterized in that, The coupling plate is provided with a limiting device for limiting the position of the resonant horn.
7. The fiber optic sensing communication terminal according to claim 6, characterized in that, The limiting device is a protrusion, and the bottom of the resonant horn is provided with a recess corresponding to the protrusion.
8. The fiber optic sensing communication terminal according to claim 7, characterized in that, The connector and the resonant disk are connected by threads.
9. A fiber optic sensing communication terminal according to any one of claims 1-8, characterized in that, The length of the connector is 1-10cm.
10. A fiber optic sensing communication terminal according to any one of claims 1-8, characterized in that, It also includes a communication module, which is disposed within the accommodating space; the communication module is electrically connected to the control board; the communication module is used to communicate with external sensors.