CN103868581B - A kind of time delay ring assembly for vibration transducer and packaging system thereof - Google Patents
A kind of time delay ring assembly for vibration transducer and packaging system thereof Download PDFInfo
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- CN103868581B CN103868581B CN201410086333.0A CN201410086333A CN103868581B CN 103868581 B CN103868581 B CN 103868581B CN 201410086333 A CN201410086333 A CN 201410086333A CN 103868581 B CN103868581 B CN 103868581B
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Abstract
The invention discloses a kind of time delay ring assembly for vibration transducer and packaging system thereof, time delay ring assembly comprises: light path, skeleton, protective cover and fibre blocking plate.This packaging system comprises: outer sound-insulating and heat-insulating layer, the first separation layer, middle sound-insulating and heat-insulating layer, the second separation layer, internal sound insulation thermofin and damper assembly.Time delay ring component package is on the diapire of the internal sound insulation thermofin of packaging system.This packaging system has played vital role in the functional reliability promoting Fiber optic delivery systems and stability, it has considered external noise, temperature variation and the vibration interference to Fiber optic delivery systems, by utilizing damper assembly to be fixed on the bottom of the internal sound insulation thermofin of time delay ring the time delay ring assembly being equipped with light path, and the packaging system utilizing sound-insulating and heat-insulating layer to form encapsulates, efficiently avoid the impact on light of course of work peripheral vibration source and external noise and temperature variation.
Description
Technical field
The invention belongs to technical field of optical fiber sensing, particularly, relate to a kind of time delay ring assembly for vibration transducer and packaging system thereof.
Background technology
Type optical fiber distributed vibration sensor can detect the disturbance of any point on sensor fibre and locate, and can be applied to circumference security protection, oil-gas pipeline early warning, communication line and structure monitoring.The advantage of distribution type fiber-optic scheme is only to utilize the communication cable spreading and bury, and without the need to extra laying, sensed media is not only by optical cable, is also data communication medium, omnidistance without the need to power supply.Distributed optical fiber vibration sensing system utilizes general single mode fiber as sensitive media, and the phase place change caused by measuring disturbance positions disturbance; At infrastructure and large scale structure, as the aspects such as oil and gas pipes, oil and gas reserve base, optical cable, rail, land and sea border defense line and the security protection of critical facility circumference have broad application prospects.
Because optical fiber is very sensitive to sound pressure signal response; Simultaneously optical fiber is also very high to operating temperature requirements, and industrial control equipment works long hours, and ambient temperature can be caused to change, and inside configuration optical fiber is very responsive to this change, like this can greatly influential system operating accuracy; In addition, Fiber optic delivery systems and industry control cabinet, by being rigidly connected, can cause many places to vibrate during industrial control equipment operation work, the optical fiber of inside configuration can be caused to occur Parameters variation, affect fiber optic conduction quality.Therefore, structural design scheme needs the functional reliability and the stability that promote Fiber optic delivery systems, and the adverse effect that practical reducing mechanism external operating environment brings strengthens the engineer applied characteristic of Fiber optic delivery systems.Need set about from intercepting sound and temperature transmission and damping vibration three aspects, solve external noise, temperature variation and vibration to the interference of Fiber optic delivery systems, guarantee system can high precision normally work.
Summary of the invention
The technical problem to be solved in the present invention is: for light path part fibre system in existing vibration transducer to noise and temperature sensitive characteristic, provides a kind of time delay ring assembly for vibration transducer and packaging system thereof.
The technical scheme that the present invention solves the problems of the technologies described above employing comprises:
According to an aspect of the present invention, which provide a kind of time delay ring assembly for vibration transducer, comprise: light path, skeleton, protective cover and fibre blocking plate, wherein, light path comprises the first coupling mechanism and the second coupling mechanism, the first fiber optic adapter module, the second fiber optic adapter module, the 3rd fiber optic adapter module and fiber optic loop; Skeleton comprises bobbin frame body and is arranged on the mount pad on the outer peripheral face of frame body, and light path is assemblied in frame body, and mount pad is provided with mounting hole; Protective cover is the cylinder with openend, and fibre blocking plate is circular slab, and when installed, protective cover is cover cap being positioned in the part of more than mount pad in frame body from top to bottom, and fibre blocking plate mounts cover being positioned in the part of below mount pad in frame body.
Preferably, frame body comprises the cylindrical portion of hollow, the first ring part being positioned at cylindrical portion two ends and the second ring part;
Mount pad is extend radially outward from the outer peripheral face of the second ring part to be formed and the square mount pad that is square of outline, and mounting hole is arranged on four angles of square mount pad; First coupling mechanism is the coupling mechanism of 3 × 3, second coupling mechanism is the coupling mechanism of 2 × 2, first coupling mechanism and the second coupling mechanism and the 3rd fiber optic adapter module are arranged on the outside surface of the second ring part, and when installed, fibre blocking plate is fixedly attached on this outside surface of the second ring part; First fiber optic adapter module and the second fiber optic adapter module are arranged on the outside surface of the first ring part; Fiber optic loop is wrapped in the cylindrical portion of frame body, wherein, two output terminals of the first coupling mechanism are connected with one end of the first fiber optic adapter module and one end of the second fiber optic adapter module respectively through the cavity of cylindrical portion inside, the two ends of fiber optic loop are connected to the other end of the first fiber optic adapter module and one end of the 3rd fiber optic adapter module respectively, the other end of the 3rd fiber optic adapter module connects a FC/APC joint, as the first output terminal of light path; The other end of the second fiber optic adapter module is connected to an input end of the second coupling mechanism through the cavity of cylindrical portion inside, another input end of second coupling mechanism and output terminal are respectively as the first input end of light path and the second output terminal, and another output terminal of the second coupling mechanism is vacant; An output terminal of the first coupling mechanism is vacant, and its input end and the distribution of another two output terminals are as the second input end of light path and the third and fourth output terminal; One end relative with openend of protective cover is blind end, and when installed, this blind end of protective cover is fixedly attached on the outside surface of the first ring part, and the openend of protective cover contacts with mount pad.
Preferably, the cylindrical portion inside of frame body is provided with bracing frame, bracing frame comprises the cylindrical barrel portion of hollow and radially extends to the symmetrical flank of two of the inwall of cylindrical portion from the outer wall of cylindrical barrel portion, and the size of the hollow hole of cylindrical barrel portion matches with the size around fine axle around fine machine; And time delay ring assembly also comprises three fiber adapter fixed mounts, each fiber adapter fixed mount comprise the rectangle frame with through hole and from rectangle frame while the holder that extends to both sides along this limit, holder is provided with threaded hole, when installed, 3rd fiber optic adapter module is assemblied in the through hole of the rectangle frame of a fiber adapter fixed mount, and fiber adapter fixed mount is fixed on the cylindrical barrel portion of bracing frame by screw; First fiber optic adapter module and the second fiber optic adapter module are assemblied in the through hole of the rectangle frame of a fiber adapter fixed mount separately, and two fiber adapter fixed mounts are fixed on two flanks of bracing frame each via screw; And the outside surface of the second ring part is provided with the first draw-in groove and the second draw-in groove, the first coupling mechanism and the second coupling mechanism are stuck in the first draw-in groove and the second draw-in groove.
According to another aspect of the present invention, which provide a kind of packaging system for above-mentioned time delay ring assembly, comprise: outer sound-insulating and heat-insulating layer, first separation layer, middle sound-insulating and heat-insulating layer, second separation layer, internal sound insulation thermofin, and damper assembly, wherein, outer sound-insulating and heat-insulating layer, first separation layer, middle sound-insulating and heat-insulating layer, second separation layer, and internal sound insulation thermofin is the cube structure with cavity, and described outer sound-insulating and heat-insulating layer, first separation layer, middle sound-insulating and heat-insulating layer, second separation layer, and corresponding position is provided with the through hole that the input and output side for light path leads in/out on the sidewall of internal sound insulation thermofin, internal sound insulation thermofin is attached at the inside surface of the cavity of the second separation layer, and time delay ring assembly is placed in the inner chamber of internal sound insulation thermofin, middle sound-insulating and heat-insulating layer is wrapped in the outside surface of the second separation layer, first separation layer is arranged at the outside surface of middle sound-insulating and heat-insulating layer, outer sound-insulating and heat-insulating layer is wrapped in the outside surface of the first separation layer, damper assembly is assemblied in the mounting hole of time delay ring assembly, thus by time delay ring modular support on the diapire of the inner chamber of internal sound insulation thermofin.
Preferably, the bearing that the diapire inner bottom surface of the second separation layer being provided through sound-insulating and heat-insulating layer upwards extends, and be provided with threaded hole in bearing; Damper assembly is threaded with bearing, is fixed on bearing by time delay ring assembly thus.
Preferably, the quantity of damper assembly is four, each damper assembly comprises: sunk screw, vibration damper gland, upper cushion blocking, lower cushion blocking and vibration damper sleeve, wherein, vibration damper sleeve comprises sleeve base in "T"-shaped layout and quill, and quill inside has through hole; Vibration damper gland, upper cushion blocking and lower cushion blocking are sheathed on the outer wall of quill from top to bottom, when installed, upper cushion blocking and lower cushion blocking lay respectively at the upper and lower of the mounting hole of time delay ring assembly, and sunk screw passes the through hole of quill inside from top to bottom and is threaded with the bearing on the second separation layer.
Preferably, upper cushion blocking is identical with the structure of lower cushion blocking, includes the large-diameter portion in "T"-shaped layout and minor diameter part, and when installed, two minor diameter parts are embedded in the mounting hole of time delay ring assembly relative to one another.
Preferably, outer sound-insulating and heat-insulating layer, the first separation layer, middle sound-insulating and heat-insulating layer, the second separation layer and internal sound insulation thermofin are the two-piece unit formula structure comprising upper cover and lower tray, the through hole led in/out for the input and output side of light path is formed by the semi-circular recesses be formed at respectively in upper cover and lower tray, and together with the upper cover of each layer is fixed by screws in lower tray.
Preferably, air chamber is provided with between the first separation layer and middle sound-insulating and heat-insulating layer.
Compared with prior art, according to time delay ring assembly of the present invention and packaging system thereof, there is useful technique effect:
(1) light path can intactly be assemblied in wherein by time delay ring assembly in the time delay ring assembly of vibration transducer according to of the present invention, make system more flexible, small and exquisite, also effective protection has been carried out to optical fiber simultaneously.
(2) in the packaging system of the time delay ring assembly for vibration transducer according to the present invention, outer sound-insulating and heat-insulating layer in packaging system, middle sound-insulating and heat-insulating layer and internal sound insulation thermofin adopt sound-insulating material, and noise and the temperature variation of working environment generation have to external world carried out effective isolation;
(3) in the packaging system of the time delay ring assembly for vibration transducer according to the present invention, design and installation damper mechanism, avoids the interference that optical fiber in the course of work is subject to external vibration source, changes the rigid attachment mode of mechanism and industry control base.Design employs multiple spot vibration damping and arranges, according to mechanism's resonant frequency range, chooses the material determining damping means, thus can realize effective attenuation external vibration and be conveyed into conduction mechanism inside, suppresses ambient vibration to the adverse effect of Fiber optic delivery systems.
Accompanying drawing explanation
Fig. 1 is the assembling schematic diagram according to the time delay ring assembly for vibration transducer of the present invention;
Fig. 2 is the decomposed schematic diagram of the time delay ring assembly in Fig. 1;
Fig. 3 is according to the light path topological diagram for vibration transducer of the present invention;
Fig. 4 a and Fig. 4 b is according to the perspective view for the frame body in the time delay ring assembly of vibration transducer of the present invention;
Fig. 5 is the decomposing schematic representation according to the time delay ring assembly for vibration transducer of the present invention;
Fig. 6 is the structural representation of the packaging system according to the time delay ring assembly for vibration transducer of the present invention, is wherein packaged with aforesaid time delay ring assembly;
Fig. 7 is the decomposing schematic representation according to the damper assembly in the packaging system of the time delay ring assembly for vibration transducer of the present invention;
Fig. 8 is the structural representation of the vibration damper sleeve of damper assembly in Fig. 7;
Fig. 9 is the split-type structural decomposing schematic representation of sound-insulating and heat-insulating layer, the second separation layer and internal sound insulation thermofin in the packaging system according to the time delay ring assembly for vibration transducer of the present invention;
Figure 10 is the split-type structural decomposing schematic representation of outer sound-insulating and heat-insulating layer according to the packaging system of the time delay ring assembly for vibration transducer of the present invention and the first separation layer; And
Figure 11 is the structural representation according to fiber adapter fixed mount of the present invention.
Embodiment
Below in conjunction with the drawings and specific embodiments, the time delay ring assembly for vibration transducer according to the present invention and packaging system thereof are further described in detail.
In the present invention; by the light path for vibration transducer being assemblied in the frame body of time delay ring assembly and utilizing protective cover and fibre blocking plate to hide; can intactly light path be assemblied in wherein, make system more flexible, small and exquisite, also effective protection carried out to light path simultaneously.Further, by being arranged in packaging system by time delay ring assembly, can effectively prevent external vibration, temperature, noise on the impact of light path.
Please refer to Fig. 1 to Fig. 5, according to of the present invention in the time delay ring assembly of vibration transducer, this time delay ring assembly comprises light path, skeleton 61, protective cover 62 and fibre blocking plate 63.Wherein, as shown in Figure 3, the light path for vibration transducer according to the present invention comprises the first coupling mechanism 64 and the second coupling mechanism 69, first fiber optic adapter module 65, second fiber optic adapter module 68, the 3rd fiber optic adapter module 67 and fiber optic loop 66.The mount pad 612 that skeleton 61 comprises bobbin frame body 611 and is arranged on the outer peripheral face of frame body 611.Light path is assemblied in frame body 611.And mount pad 612 is provided with mounting hole 6121, for follow-up, the installation of this time delay ring assembly (such as, is arranged in packaging system described later) on other devices.Protective cover 62 is for having the cylinder of openend.Fibre blocking plate 63 is circular slab.When installed, cover cap is in the part being positioned at mount pad more than 612 of frame body 611 from top to bottom for protective cover 62, and fibre blocking plate 63 mounts cover in the part being positioned at mount pad less than 612 of frame body 611.
Particularly, as shown in Figure 4, skeleton 61 comprises bobbin frame body 611 and the mount pad 612 be arranged on the outer peripheral face of frame body 611.Frame body 611 comprises the cylindrical portion 6111 of hollow, is positioned at first ring part 6112 and second ring part 6113 at cylindrical portion 6111 two ends.In the preferred embodiment, cylindrical portion 6111, first ring part 6112 and the second ring part 6113 form.Mount pad 612 is for extending radially outward from the outer peripheral face of described second ring part 6113 and being formed and the square mount pad that is square of outline, and mounting hole 6121 is arranged on four angles of square mount pad.In the preferred embodiment shown in Fig. 4, mount pad and frame body form, but not as limit.In addition, the shape of mount pad is not limited to square, and it can adopt circle, sexangle or any feasible shape, and based on this, the mounting hole on it is not also limited with 4.
Please refer to shown in Fig. 5, the first coupling mechanism 64 of light path is the coupling mechanism of 3 × 3, and the second coupling mechanism 69 is the coupling mechanism of 2 × 2.First coupling mechanism 64 and the second coupling mechanism 69 and the 3rd fiber optic adapter module 67 are arranged on the outside surface of the second ring part 6113.First fiber optic adapter module 65 and the second fiber optic adapter module 68 are arranged on the outside surface one side of the second ring part (that is, dorsad) of the first ring part 6112.Fiber optic loop 66 is wrapped in the cylindrical portion 6111 of frame body 611.In the preferred embodiment, the optical fiber included by fiber optic loop reaches several kilometers, for ease of by Optical Fiber Winding in frame body, in the preferred embodiment, cylindrical portion 6111 inside of frame body 611 is provided with bracing frame 613.This bracing frame 613 comprises the cylindrical barrel portion 6131 of hollow and radially extends to the symmetrical flank 6132 of two of the inwall of cylindrical portion 6111 from the outer wall of cylindrical barrel portion 6131.The size of the hollow hole of cylindrical barrel portion 6131 matches with the size around fine axle around fine machine, so just frame body can be installed to around fine machine on fine axle, thus by Optical Fiber Winding in frame body.In addition, time delay ring assembly also comprises three fiber adapter fixed mount 616(with reference to Fig. 2, Fig. 5 and Figure 11), each fiber adapter fixed mount 616 comprise the rectangle frame 6162 with through hole 6161 and from rectangle frame 6162 while the holder 6163 that extends to both sides along this limit, holder 6163 is provided with threaded hole, thus, by the 3rd fiber optic adapter module 67 is assemblied in the through hole of the rectangle frame of a fiber adapter fixed mount, and fiber adapter fixed mount is fixed on the cylindrical barrel portion 6131 of bracing frame 613 by screw, simultaneously by the first fiber optic adapter module 65 and the second fiber optic adapter module 68 are assemblied in the through hole of the rectangle frame of a fiber adapter fixed mount separately, and two fiber adapter fixed mounts are fixed on two flanks 6132 of bracing frame 613 each via screw, just can by the 3rd fiber optic adapter module 67, first fiber optic adapter module 65 and the second fiber optic adapter module 68 are arranged on the outside surface of the second ring part 6113 and the first ring part respectively.
In addition, as shown in Figure 5, based on the string configuration of the first coupling mechanism 64 and the second coupling mechanism 69 self, the second ring part 6113 outside surface (namely, the surface of the first ring part dorsad) on be provided with the first draw-in groove 6151 and the second draw-in groove 6152, first coupling mechanism 64 and the second coupling mechanism 69 and be stuck in the first draw-in groove 6151 and the second draw-in groove 6152.So, just the first coupling mechanism 64 and the second coupling mechanism 69 can be fixed on the outside surface of the second ring part 6113.
Shown in composition graphs 2 and Fig. 3, two output terminals of the first coupling mechanism 64 are connected with one end of the first fiber optic adapter module 65 and one end melting of the second fiber optic adapter module 68 respectively through the cavity of cylindrical portion 6111 inside, its welded pipe (as shown in 71 in Fig. 5,72) is installed in two draw-in grooves be arranged in juxtaposition on the outside surface of the second ring part 6113 (as shown in 617 in Fig. 5,618) respectively, and alternate manner can certainly be adopted to be fixed welded pipe.The two ends of fiber optic loop 66 are connected to the other end of the first fiber optic adapter module 65 and one end of the 3rd fiber optic adapter module 67 respectively, and the other end of the 3rd fiber optic adapter module 67 connects a FC/APC joint, as the first output terminal of light path; The other end of the second fiber optic adapter module 68 is connected to an input end of the second coupling mechanism 69 through the cavity of cylindrical portion 6111 inside.Another input end of second coupling mechanism 69 and output terminal are respectively as the first input end of light path and the second output terminal, and another output terminal of the second coupling mechanism 69 is vacant.An output terminal of the first coupling mechanism 64 is vacant, and its input end and the distribution of another two output terminals are as the second input end of light path and the third and fourth output terminal.
Here it should be noted that, for the first draw-in groove 6151 and the second draw-in groove 6152 for fixing the first coupling mechanism 64 and the second coupling mechanism 69 above-mentioned, in the embodiment shown in fig. 4, the outside surface of the second ring part 6113 arranges raised line, limits the first fixing draw-in groove and the second draw-in groove by two raised lines be arranged in parallel.The above-mentioned draw-in groove for fixing welded pipe is also adopt similar structure.Certainly, for a person skilled in the art, any feasible concrete structure can being adopted, as arranged corresponding groove etc., being not specifically limited at this.
As shown in Figure 2, protective cover 62 for one end there is openend, the other end is the cylinder of blind end.When installed, this blind end of protective cover 62 is by being fixedly connected with (such as, passing through screw) on the outside surface of the first ring part 6112, and the openend of protective cover 62 contacts with mount pad 612.Fibre blocking plate 63 is Circular plate structure, and it is fixedly connected with (such as, passing through screw) on this outside surface of the second ring part 6113.In addition; for making the more compact structure of time delay ring assembly; as shown in Figure 2; the blind end of protective cover 62 arranges two corresponding with the first fiber optic adapter module 65 and the second fiber optic adapter module 68 respectively strip holes, the first fiber optic adapter module 65 and the second fiber optic adapter module 68 are partly exposed.In like manner, fibre blocking plate 63 is also provided with the strip hole corresponding with the 3rd fiber optic adapter module 67, the 3rd fiber optic adapter module 67 is partly exposed.
Fig. 6 to Figure 10 shows the packaging system of the time delay ring assembly for vibration transducer according to a further aspect of the invention.
As shown in Figure 6, this packaging system comprises: outer sound-insulating and heat-insulating layer 1, first separation layer 2, middle sound-insulating and heat-insulating layer 3, second separation layer 4, internal sound insulation thermofin 5 and damper assembly 7.Wherein, outer sound-insulating and heat-insulating layer 1, first separation layer 2, middle sound-insulating and heat-insulating layer 3, second separation layer 4 and internal sound insulation thermofin 5 are the cube with cavity, and on the sidewall of outer sound-insulating and heat-insulating layer 1, first separation layer 2, middle sound-insulating and heat-insulating layer 3, second separation layer 4 and internal sound insulation thermofin 5, corresponding position is provided with the through hole that the input and output side for light path leads in/out.Internal sound insulation thermofin 5 is attached at the inside surface of the cavity of the second separation layer 4, and time delay ring assembly 6 is placed in the inner chamber 51 of internal sound insulation thermofin 5.Middle sound-insulating and heat-insulating layer 3 is wrapped in the outside surface of the second separation layer 4.First separation layer 2 is arranged at the outside surface of middle sound-insulating and heat-insulating layer 3, for increasing packaging effect, between the first separation layer 2 and middle sound-insulating and heat-insulating layer 3, leaves certain air chamber.Outer sound-insulating and heat-insulating layer 1 is wrapped in the outside surface of the first separation layer 2.Damper assembly 7 is assemblied in the mounting hole 6121 of time delay ring assembly 6, is supported on the diapire of inner chamber 51 of internal sound insulation thermofin 5 by time delay ring assembly 6 thus.
Particularly, as shown in Figure 9, the bearing 41 that the diapire that the inner bottom surface of the second separation layer 4 is provided through sound-insulating and heat-insulating layer 5 upwards extends.And the inside of bearing 41 is provided with threaded hole 411.Damper assembly 7 is threaded with bearing 41, is fixed on bearing 41 by time delay ring assembly 6 thus.
Corresponding with the mounting hole 6121 on square mount pad 612 4 angles, the quantity of damper assembly 7 is four, as shown in Figure 7 and Figure 8, each damper assembly 7 comprises: sunk screw 71, vibration damper gland 72, upper cushion blocking 73, lower cushion blocking 74 and vibration damper sleeve 75.Wherein, shock absorber gland is loop configuration.Vibration damper sleeve 75 comprises sleeve base 752 in "T"-shaped layout and quill 751, and quill 751 inside has through hole 7511.Upper cushion blocking 73 is identical with the structure of lower cushion blocking 74, includes the large-diameter portion in "T"-shaped layout and minor diameter part.Vibration damper gland 72, upper cushion blocking 73 and lower cushion blocking 74 are sheathed on the outer wall of quill 751 from top to bottom.When installed, upper cushion blocking 73 and lower cushion blocking 74 lay respectively at the upper and lower of the mounting hole 6121 of time delay ring assembly 6, and sunk screw 71 passes the through hole 7511 of quill 751 inside from top to bottom and is threaded with the bearing 41 on the second separation layer 4.When installed, two minor diameter parts of upper cushion blocking 73 and lower cushion blocking 74 are embedded in the mounting hole 6121 of time delay ring assembly 6 relative to one another.
As shown in Figure 9 and Figure 10, outer sound-insulating and heat-insulating layer 1, first separation layer 2, middle sound-insulating and heat-insulating layer 3, second separation layer 4 and internal sound insulation thermofin 5 are the two-piece unit formula structure comprising upper cover 1 and lower tray, the through hole led in/out for the input and output side of light path is formed by the semi-circular recesses be formed at respectively in upper cover and lower tray, and together with the upper cover of each layer is fixed by screws in lower tray.The pallet of internal sound insulation thermofin 5 embeds in the lower tray of the second separation layer 4, and the pallet of internal sound insulation thermofin 5 is placed mounted time delay ring assembly, the upper cover inwall of the second separation layer 4 attaches the outer wall of internal sound insulation thermofin 5, is fixed on by upper cover hexagon socket cap head screw afterwards in the lower tray of interior separation layer 4.The upper cover of other layer and lower tray adopt similar mounting means, repeat no more.
Those skilled in the art it is understood that unspecified content in this instructions, are that those skilled in the art can realize in conjunction with prior art according to the description of this instructions, therefore do not describe in detail.
The foregoing is only the preferred embodiments of the present invention; but protection scope of the present invention is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses, the change that can expect easily or replacement, all should be encompassed within protection scope of the present invention.
Claims (8)
1. for a time delay ring assembly for vibration transducer, it is characterized in that, described time delay ring assembly (6) comprises light path, skeleton (61), protective cover (62), fibre blocking plate (63) and packaging system, wherein,
Described light path comprises the first coupling mechanism (64) and the second coupling mechanism (69), the first fiber optic adapter module (65), the second fiber optic adapter module (68), the 3rd fiber optic adapter module (67) and fiber optic loop (66);
Described skeleton (61) comprises bobbin frame body (611) and is arranged on the mount pad (612) on the outer peripheral face of described frame body (611), described light path is assemblied in described frame body (611), and described mount pad (612) is provided with mounting hole (6121);
Described protective cover (62) is for having the cylinder of openend, described fibre blocking plate (63) is circular slab, when installed, cover cap is in the part being positioned at more than described mount pad (612) of described frame body (611) from top to bottom for described protective cover (62), and described fibre blocking plate (63) mounts cover and is positioned in described mount pad (612) part below in described frame body (611);
Described packaging system comprises: outer sound-insulating and heat-insulating layer (1), first separation layer (2), middle sound-insulating and heat-insulating layer (3), second separation layer (4), internal sound insulation thermofin (5), and damper assembly (7), wherein, described outer sound-insulating and heat-insulating layer (1), first separation layer (2), middle sound-insulating and heat-insulating layer (3), second separation layer (4), and internal sound insulation thermofin (5) is the cube structure with cavity, and described outer sound-insulating and heat-insulating layer (1), first separation layer (2), middle sound-insulating and heat-insulating layer (3), second separation layer (4), and corresponding position is provided with the through hole that the input and output side for light path leads in/out on the sidewall of internal sound insulation thermofin (5), described internal sound insulation thermofin (5) is attached at the inside surface of the cavity of described second separation layer (4), and time delay ring assembly (6) is placed in the inner chamber (51) of described internal sound insulation thermofin (5), described middle sound-insulating and heat-insulating layer (3) is wrapped in the outside surface of described second separation layer (4), described first separation layer (2) is arranged at the outside surface of described middle sound-insulating and heat-insulating layer (3), described outer sound-insulating and heat-insulating layer (1) is wrapped in the outside surface of described first separation layer (2), described damper assembly (7) is assemblied in the mounting hole (6121) of time delay ring assembly (6), is supported in by time delay ring assembly (6) thus on the diapire of the inner chamber (51) of described internal sound insulation thermofin (5).
2. the time delay ring assembly for vibration transducer according to claim 1, is characterized in that,
Described frame body (611) comprises the cylindrical portion (6111) of hollow, the first ring part (6112) being positioned at described cylindrical portion (6111) two ends and the second ring part (6113);
Described mount pad (612) is for extending radially outward from the outer peripheral face of described second ring part (6113) and being formed and the square mount pad that is square of outline, and described mounting hole (6121) is arranged on four angles of described square mount pad;
Described first coupling mechanism (64) is the coupling mechanism of 3 × 3, described second coupling mechanism (69) is the coupling mechanism of 2 × 2, described first coupling mechanism (64) and the second coupling mechanism (69) and described 3rd fiber optic adapter module (67) are arranged on the outside surface of described second ring part (6113), when installed, described fibre blocking plate (63) is fixedly attached on this outside surface of described second ring part (6113), described first fiber optic adapter module (65) and the second fiber optic adapter module (68) are arranged on the outside surface of described first ring part (6112), described fiber optic loop (66) is wrapped in the cylindrical portion (6111) of described frame body (611), wherein, two output terminals of described first coupling mechanism (64) are connected with one end of described first fiber optic adapter module (65) and one end of the second fiber optic adapter module (68) respectively through the cavity that described cylindrical portion (6111) is inner, the two ends of described fiber optic loop (66) are connected to the other end of described first fiber optic adapter module (65) and one end of described 3rd fiber optic adapter module (67) respectively, the other end of described 3rd fiber optic adapter module (67) connects a FC/APC joint, as the first output terminal of described light path, the other end of described second fiber optic adapter module (68) is connected to an input end of described second coupling mechanism (69) through the cavity that described cylindrical portion (6111) is inner, another input end of described second coupling mechanism (69) and output terminal are respectively as the first input end of described light path and the second output terminal, and another output terminal of described second coupling mechanism (69) is vacant, an output terminal of described first coupling mechanism (64) is vacant, and its input end and the distribution of another two output terminals are as the second input end of described light path and the third and fourth output terminal,
One end relative with openend of described protective cover (62) is blind end; when installed; this blind end of described protective cover (62) is fixedly attached on the outside surface of described first ring part (6112), and the openend of described protective cover (62) contacts with described mount pad (612).
3. the time delay ring assembly for vibration transducer according to claim 2, is characterized in that,
Cylindrical portion (6111) inside of described frame body (611) is provided with bracing frame (613), support frame as described above (613) comprises the cylindrical barrel portion (6131) of hollow and radially extends to the symmetrical flank (6132) of two of inwall of described cylindrical portion (6111) from the outer wall of cylindrical barrel portion (6131), and the size of the hollow hole of described cylindrical barrel portion (6131) matches with the size around fine axle around fine machine, and described time delay ring assembly also comprises three fiber adapter fixed mounts (616), each fiber adapter fixed mount (616) comprise the rectangle frame (6162) with through hole (6161) and from described rectangle frame (6162) while the holder (6163) that extends to both sides along this limit, (6163) are provided with threaded hole with described holder, when installed, described 3rd fiber optic adapter module (67) is assemblied in the through hole of the rectangle frame of a fiber adapter fixed mount, and described fiber adapter fixed mount is fixed on the cylindrical barrel portion (6131) of support frame as described above (613) by screw, described first fiber optic adapter module (65) and the second fiber optic adapter module (68) are assemblied in the through hole of the rectangle frame of a fiber adapter fixed mount separately, and two fiber adapter fixed mounts are fixed on two flanks (6132) of support frame as described above (613) each via screw, and
The outside surface of described second ring part (6113) is provided with the first draw-in groove (6151) and the second draw-in groove (6152), described first coupling mechanism (64) and the second coupling mechanism (69) are stuck in described first draw-in groove (6151) and the second draw-in groove (6152).
4. the time delay ring assembly for vibration transducer according to claim 1, it is characterized in that, the bearing (41) that the diapire that the inner bottom surface of described second separation layer (4) is provided through described sound-insulating and heat-insulating layer (5) upwards extends, and be provided with threaded hole (411) in described bearing (41); Described damper assembly (7) is threaded with described bearing (41), described time delay ring assembly (6) is fixed on described bearing (41) thus.
5. the time delay ring assembly for vibration transducer according to claim 1, it is characterized in that, the quantity of described damper assembly (7) is four, each damper assembly (7) comprising: sunk screw (71), vibration damper gland (72), upper cushion blocking (73), lower cushion blocking (74), and vibration damper sleeve (75), wherein, described vibration damper sleeve (75) comprises sleeve base (752) in "T"-shaped layout and quill (751), and described quill (751) inside has through hole (7511), described vibration damper gland (72), upper cushion blocking (73) and lower cushion blocking (74) are sheathed on the outer wall of described quill (751) from top to bottom, when installed, described upper cushion blocking (73) and lower cushion blocking (74) lay respectively at the upper and lower of the mounting hole (6121) of described time delay ring assembly (6), and described sunk screw (71) passes the inner through hole (7511) of described quill (751) from top to bottom and is threaded with the bearing (41) on described second separation layer (4).
6. the time delay ring assembly for vibration transducer according to claim 5, it is characterized in that, described upper cushion blocking (73) is identical with the structure of lower cushion blocking (74), include the large-diameter portion in "T"-shaped layout and minor diameter part, and when installed, two minor diameter parts are embedded in the mounting hole (6121) of described time delay ring assembly (6) relative to one another.
7. the time delay ring assembly for vibration transducer according to claim 1, it is characterized in that, described outer sound-insulating and heat-insulating layer (1), the first separation layer (2), middle sound-insulating and heat-insulating layer (3), the second separation layer (4) and internal sound insulation thermofin (5) are the two-piece unit formula structure comprising upper cover and lower tray, the described through hole led in/out for the input and output side of light path is formed by the semi-circular recesses be formed at respectively in upper cover and lower tray, and together with the upper cover of each layer is fixed by screws in lower tray.
8. the time delay ring assembly for vibration transducer according to claim 1, is characterized in that, is provided with air chamber (8) between described first separation layer (2) and middle sound-insulating and heat-insulating layer (3).
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| CN104834067A (en) * | 2015-04-29 | 2015-08-12 | 苏州华徕光电仪器有限公司 | Novel optical fiber transportation protecting device |
| CN106323439B (en) * | 2016-08-01 | 2020-07-14 | 北京航天控制仪器研究所 | Time-delay optical fiber and reference optical fiber packaging structure for optical fiber hydrophone modulation system |
| CN114815570B (en) * | 2022-05-05 | 2024-02-13 | 陕西科技大学 | Time-to-digital converter based on differential delay loop |
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