CN103868581A - Delay ring assembly for vibration sensor and packaging device of delay ring assembly - Google Patents
Delay ring assembly for vibration sensor and packaging device of delay ring assembly Download PDFInfo
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- CN103868581A CN103868581A CN201410086333.0A CN201410086333A CN103868581A CN 103868581 A CN103868581 A CN 103868581A CN 201410086333 A CN201410086333 A CN 201410086333A CN 103868581 A CN103868581 A CN 103868581A
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Abstract
The invention discloses a delay ring assembly for a vibration sensor and a packaging device of the delay ring assembly. The delay sensor assembly comprises an optical path, a skeleton, a protecting cover and a fiber retaining plate. The packaging device comprises an outer sound isolation and heat insulation layer, a first isolation layer, a middle sound isolation and heat insulation layer, a second isolation layer, an inner sound isolation and heat insulation layer, and a vibration absorber assembly. The delay ring assembly is packaged at the bottom wall of the inner sound isolation and heat insulation layer of the packaging device. The packaging device performs the important function on the working reliability and stability improvement of an optical fiber conduction system, and the interference on the optical fiber conduction system by outside noise, temperature change and vibration is comprehensively considered; by utilizing the vibration absorber assembly to fix the delay ring assembly with the optical path to the bottom of the inner sound isolation and heat insulation layer of a fixing ring, and utilizing the packaging device consisting of the sound isolation and heat insulation layers to package, the influence on the light rays by an external working source, the outside noise and the temperature change in the working process is effectively avoided.
Description
Technical field
The invention belongs to technical field of optical fiber sensing, particularly, relate to a kind of time delay ring assembly and packaging system thereof for vibration transducer.
Background technology
Type optical fiber distributed vibration sensor can be surveyed and locate the disturbance of any point on sensor fibre, 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 and spreads the communication cable burying, and without extra laying, optical cable is not only sensed media, is also data communication medium, omnidistance without power supply.Distributed optical fiber vibration sensing system utilizes general single mode fiber as sensitive media, and the phase place variation causing by measurement 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; Optical fiber is also very high to working temperature requirement simultaneously, and industrial control equipment works long hours, and can cause that ambient temperature changes, and inside configuration optical fiber is very responsive to this variation, can greatly affect like this system works precision; In addition, fiber optic conduction system and industry control cabinet, by being rigidly connected, can cause many places vibration when industrial control equipment operation work, can cause the optical fiber of inside configuration to occur that parameter changes, and affects fiber optic conduction quality.Therefore, structural design scheme need to promote functional reliability and the stability of fiber optic conduction system, the adverse effect that reducing mechanism operate outside environment brings conscientiously, the engineering application characteristic of enhancing fiber optic conduction system.Need set about from intercepting sound and temperature transmission and three aspects of damping vibration, solve external noise, temperature variation and the interference of vibration to fiber optic conduction system, assurance system can high precision normally be worked.
Summary of the invention
The technical problem to be solved in the present invention is: to noise and temperature sensitive characteristic, provide a kind of time delay ring assembly and packaging system thereof for vibration transducer for light path part fibre system in existing vibration transducer.
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, it provides 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 adapter assembly, the second fiber adapter assembly, the 3rd fiber adapter assembly and fiber optic loop; Skeleton comprises bobbin skeleton body and is arranged on the mount pad on the outer peripheral face of skeleton body, and light path is assemblied on skeleton body, and mount pad is provided with mounting hole; Protective cover is the cylinder with openend, and fibre blocking plate is circular slab, and in the time being in place, cover cap is being positioned in part more than mount pad of skeleton body from top to bottom for protective cover, and fibre blocking plate mounts cover being positioned in the part below mount pad at skeleton body.
Preferably, skeleton body comprises the cylindrical portion of hollow, the first ring part that is positioned at cylindrical portion two ends and the second ring part;
Mount pad is to extend radially outward and form and square mount pad that outline is square from the outer peripheral face of the second ring part, and mounting hole is arranged on four angles of square mount pad; The first coupling mechanism is 3 × 3 coupling mechanism, the second coupling mechanism is 2 × 2 coupling mechanism, the first coupling mechanism and the second coupling mechanism and the 3rd fiber adapter assembly are arranged on the outside surface of the second ring part, and in the time being in place, fibre blocking plate is fixedly attached on this outside surface of the second ring part; The first fiber adapter assembly and the second fiber adapter assembly are arranged on the outside surface of the first ring part; Fiber optic loop is wrapped in the cylindrical portion of skeleton body, wherein, two output terminals of the first coupling mechanism are connected with one end of the first fiber adapter assembly and one end of the second fiber adapter assembly respectively through the cavity of cylindrical portion inside, the two ends of fiber optic loop are connected to respectively one end of the other end and the 3rd fiber adapter assembly of the first fiber adapter assembly, the other end of the 3rd fiber adapter assembly connects a FC/APC joint, as the first output terminal of light path; The other end of the second fiber adapter assembly is connected to an input end of the second coupling mechanism through the cavity of cylindrical portion inside, another input end of the second coupling mechanism and an output terminal are respectively as first input end and second output terminal of light path, 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 another two output terminals distribute as the second input end and third and fourth output terminal of light path; One end relative with openend of protective cover is blind end, and in the time being in place, 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 skeleton body is provided with bracing frame, bracing frame comprises that the cylindrical drum portion of hollow and the outer wall of justifying deceleration column by oneself radially extend to two symmetrical flanks of the inwall of cylindrical portion, the size of the hollow hole of cylindrical drum portion with match around the size around fine axle of fine machine; And time delay ring assembly also comprises three fiber adapter fixed mounts, each fiber adapter fixed mount comprises the holder that has the rectangle frame of through hole and extend along this limit to both sides from one side of rectangle frame, on holder, be provided with threaded hole, in the time being in place, the 3rd fiber adapter assembled is in the through hole of the rectangle frame of a fiber adapter fixed mount, and fiber adapter fixed mount is fixed to by screw in the cylindrical drum portion of bracing frame; The first fiber adapter assembly and the second fiber adapter assembly are assemblied in the through hole of rectangle frame of a fiber adapter fixed mount separately, and two fiber adapter fixed mounts are fixed on two flanks of bracing frame by screw separately; And on the outside surface of the second ring part, be 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, it provides a kind of packaging system for above-mentioned time delay ring assembly, comprise: 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, wherein, 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 is the cube structure with cavity, and described outer sound-insulating and heat-insulating layer, the first separation layer, middle sound-insulating and heat-insulating layer, the second separation layer, and on the sidewall of internal sound insulation thermofin, corresponding position is provided with the through hole leading in/out for the input and output side of light path, 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, the 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 time delay ring assembly is supported on the diapire of inner chamber of internal sound insulation thermofin.
Preferably, on the inner bottom surface of the second separation layer, be provided with the upwardly extending bearing of diapire through sound-insulating and heat-insulating layer, and in bearing, be provided with threaded hole; Damper assembly is threaded with bearing, thus time delay ring assembly is fixed on bearing.
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 the sleeve base and the quill that are "T"-shaped layout, 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, in the time being in place, 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 and the minor diameter part that are "T"-shaped layout, and in the time being in place, 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 that comprises upper cover and lower tray, the through hole leading in/out for the input and output side of light path is formed by the semi-circular recesses being 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, between the first separation layer and middle sound-insulating and heat-insulating layer, be provided with air chamber.
Compared with prior art, there is useful technique effect according to time delay ring assembly of the present invention and packaging system thereof:
(1) at the time delay ring assembly for vibration transducer according to the present invention, time delay ring assembly can intactly be assemblied in light path wherein, makes system more flexible, small and exquisite, also optical fiber has been carried out to effective protection simultaneously.
(2) at 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 working environment produces to external world noise and temperature variation have been carried out effective isolation;
(3) at the packaging system of the time delay ring assembly for vibration transducer according to the present invention, design and installation damper mechanism, avoided optical fiber in the course of work to be subject to the interference in external vibration source, changed the rigid attachment mode of mechanism and industry control base.Design has been used multiple spot vibration damping to arrange, according to mechanism's resonant frequency range, chooses the material of determining damping means, is conveyed into conduction mechanism inside thereby can realize effective attenuation external vibration, suppresses the adverse effect of ambient vibration to fiber optic conduction system.
Accompanying drawing explanation
Fig. 1 is according to the assembling schematic diagram of 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 are according to the perspective view of the skeleton body of the time delay ring assembly for vibration transducer of the present invention;
Fig. 5 is according to the decomposing schematic representation of the time delay ring assembly for vibration transducer of the present invention;
Fig. 6 is according to the structural representation of the packaging system of the time delay ring assembly for vibration transducer of the present invention, is wherein packaged with aforesaid time delay ring assembly;
Fig. 7 is according to the decomposing schematic representation of the damper assembly of 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 the damper assembly in Fig. 7;
Fig. 9 is according to the split-type structural decomposing schematic representation of sound-insulating and heat-insulating layer, the second separation layer and the internal sound insulation thermofin of the packaging system of the time delay ring assembly for vibration transducer of the present invention;
Figure 10 is according to the outer sound-insulating and heat-insulating layer of the packaging system of the time delay ring assembly for vibration transducer of the present invention and the split-type structural decomposing schematic representation of the first separation layer; And
Figure 11 is according to the structural representation of fiber adapter fixed mount of the present invention.
Embodiment
Below in conjunction with the drawings and specific embodiments, time delay ring assembly and the packaging system thereof for vibration transducer according to the present invention is further described in detail.
In the present invention; by being assemblied in the skeleton body of time delay ring assembly for the light path of vibration transducer and utilizing protective cover and fibre blocking plate hides; can intactly light path be assemblied in wherein, make system more flexible, small and exquisite, also light path carried out to effective protection simultaneously.Further, by time delay ring assembly is arranged in packaging system, can effectively prevent external vibration, temperature, the impact of noise on light path.
Please refer to Fig. 1 to Fig. 5, at the time delay ring assembly for vibration transducer according to the present invention, 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, the first fiber adapter assembly 65, the second fiber adapter assembly 68, the 3rd fiber adapter assembly 67 and fiber optic loop 66.Skeleton 61 comprises bobbin skeleton body 611 and is arranged on the mount pad 612 on the outer peripheral face of skeleton body 611.Light path is assemblied on skeleton body 611.And mount pad 612 is provided with mounting hole 6121, for follow-up, this time delay ring assembly is arranged on to other device (for example, being arranged in packaging system described later).Protective cover 62 is for having the cylinder of openend.Fibre blocking plate 63 is circular slab.In the time being in place, cover cap is being positioned in more than 612 part of mount pad of skeleton body 611 from top to bottom for protective cover 62, and fibre blocking plate 63 mounts cover being positioned in the part of mount pad below 612 at skeleton body 611.
Particularly, as shown in Figure 4, skeleton 61 comprises bobbin skeleton body 611 and is arranged on the mount pad 612 on the outer peripheral face of skeleton body 611.Skeleton body 611 comprises the cylindrical portion 6111 of hollow, the first ring part 6112 that is positioned at cylindrical portion 6111 two ends and the second ring part 6113.In this preferred embodiment, cylindrical portion 6111, the first ring part 6112 and the second ring part 6113 form.Mount pad 612 forms and square mount pad that outline is square for extending radially outward from the outer peripheral face of described the second ring part 6113, and mounting hole 6121 is arranged on four angles of square mount pad.In the preferred embodiment shown in Fig. 4, mount pad and skeleton 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 coupling mechanism that the first coupling mechanism 64 of light path is 3 × 3, the coupling mechanism that the second coupling mechanism 69 is 2 × 2.The first coupling mechanism 64 and the second coupling mechanism 69 and the 3rd fiber adapter assembly 67 are arranged on the outside surface of the second ring part 6113.The first fiber adapter assembly 65 and the second fiber adapter assembly 68 are arranged on the outside surface (, dorsad the one side of the second ring part) of the first ring part 6112.Fiber optic loop 66 is wrapped in the cylindrical portion 6111 of skeleton body 611.In this preferred embodiment, because the included optical fiber of fiber optic loop reaches several kilometers, for ease of by Optical Fiber Winding to skeleton body, in this preferred embodiment, be provided with bracing frame 613 in cylindrical portion 6111 inside of skeleton body 611.The outer wall that this bracing frame 613 comprises the cylindrical drum portion 6131 of hollow and justifies deceleration column 6131 by oneself radially extends to two symmetrical flanks 6132 of the inwall of cylindrical portion 6111.The size of the hollow hole of cylindrical drum portion 6131 with match around the size around fine axle of fine machine, so just skeleton body can be installed to around fine machine on fine axle, thereby by Optical Fiber Winding to skeleton body.In addition, time delay ring assembly also comprises that three fiber adapter fixed mount 616(are with reference to Fig. 2, Fig. 5 and Figure 11), each fiber adapter fixed mount 616 comprises the holder 6163 that has the rectangle frame 6162 of through hole 6161 and extend along this limit to both sides from one side of rectangle frame 6162, on holder 6163, be provided with threaded hole, thus, by the 3rd fiber adapter assembly 67 being assemblied in the through hole of rectangle frame of a fiber adapter fixed mount, and fiber adapter fixed mount is fixed to by screw in the cylindrical drum portion 6131 of bracing frame 613, simultaneously by the first fiber adapter assembly 65 and the second fiber adapter assembly 68 are assemblied in the through hole of 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 by screw separately, just can be by the 3rd fiber adapter assembly 67, the first fiber adapter assembly 65 and the second fiber adapter assembly 68 are arranged on respectively on the outside surface of the second ring part 6113 and the first ring part.
In addition, as shown in Figure 5, based on the strip structure of the first coupling mechanism 64 and the second coupling mechanism 69 self, at the outside surface of the second ring part 6113 (, 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, the first coupling mechanisms 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 Fig. 2 and Fig. 3, two output terminals of the first coupling mechanism 64 are connected with one end of the first fiber adapter assembly 65 and one end melting of the second fiber adapter assembly 68 respectively through the cavity of cylindrical portion 6111 inside, its welded pipe (as shown in 71 in Fig. 5,72) is installed on respectively in two draw-in grooves that are arranged in juxtaposition on the outside surface of the second ring part 6113 (as shown in 617 in Fig. 5,618), can certainly adopt alternate manner to be fixed welded pipe.The two ends of fiber optic loop 66 are connected to respectively one end of the other end and the 3rd fiber adapter assembly 67 of the first fiber adapter assembly 65, and the other end of the 3rd fiber adapter assembly 67 connects a FC/APC joint, as the first output terminal of light path; The other end of the second fiber adapter assembly 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 the second coupling mechanism 69 and an output terminal are respectively as first input end and second output terminal of light path, 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 another two output terminals distribute as the second input end and third and fourth output terminal of light path.
Here it should be noted that, for above-mentioned for fixing the first draw-in groove 6151 and second draw-in groove 6152 of the first coupling mechanism 64 and the second coupling mechanism 69, in the embodiment shown in fig. 4, on the outside surface of the second ring part 6113, raised line is set, limits the first draw-in groove and second draw-in groove of fixing use by two raised lines that are arranged in parallel.The above-mentioned draw-in groove for fixing welded pipe is also to adopt similar structure.Certainly, for a person skilled in the art, can adopt any feasible concrete structure, as corresponding groove etc. is set, be not specifically limited at this.
As shown in Figure 2, protective cover 62 has the cylinder that openend, the other end are blind end for one end.In the time being in place, this blind end of protective cover 62 for example, by being fixedly connected with (, passing through screw) to 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 (for example, passing through screw) to 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; two strip holes corresponding with the first fiber adapter assembly 65 and the second fiber adapter assembly 68 are respectively set on the blind end of protective cover 62, the first fiber adapter assembly 65 and the second fiber adapter assembly 68 are partly exposed.In like manner, on fibre blocking plate 63, be also provided with the strip hole corresponding with the 3rd fiber adapter assembly 67, the 3rd fiber adapter assembly 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, the first separation layer 2, middle sound-insulating and heat-insulating layer 3, the second separation layer 4, internal sound insulation thermofin 5 and damper assembly 7.Wherein, 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 cube with cavity, and on the sidewall of 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, corresponding position is provided with the through hole leading in/out for the input and output side of light path.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.The 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, thus time delay ring assembly 6 is supported on the diapire of inner chamber 51 of internal sound insulation thermofin 5.
Particularly, as shown in Figure 9, on the inner bottom surface of the second separation layer 4, be provided with the upwardly extending bearing 41 of diapire through sound-insulating and heat-insulating layer 5.And the inside of bearing 41 is provided with threaded hole 411.Damper assembly 7 is threaded with bearing 41, thus time delay ring assembly 6 is fixed on bearing 41.
Corresponding with the mounting hole 6121 on 612 4 angles of square mount pad, 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, vibroshock gland is loop configuration.Vibration damper sleeve 75 comprises the sleeve base 752 and the quill 751 that are "T"-shaped layout, and quill 751 inside have through hole 7511.Upper cushion blocking 73 is identical with the structure of lower cushion blocking 74, includes the large-diameter portion and the minor diameter part that are "T"-shaped layout.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.In the time being in place, 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.In the time being in place, 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, 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 that comprises upper cover 1 and lower tray, the through hole leading in/out for the input and output side of light path is formed by the semi-circular recesses being 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 on the pallet of internal sound insulation thermofin 5, place 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, afterwards upper cover is fixed in the lower tray of interior separation layer 4 with hexagon socket cap head screw.The upper cover of other layer and lower tray adopt similar mounting means, repeat no more.
Those skilled in the art can understand, and unspecified content in this instructions is that those skilled in the art can realize according to the description of this instructions and in conjunction with prior art, does not therefore describe in detail.
The foregoing is only the preferred embodiments of the present invention; but protection scope of the present invention is not limited to this; any be familiar with those skilled in the art the present invention disclose technical scope in, the variation that can expect easily or replacement, within all should being encompassed in protection scope of the present invention.
Claims (9)
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) and fibre blocking plate (63), wherein,
Described light path comprises the first coupling mechanism (64) and the second coupling mechanism (69), the first fiber adapter assembly (65), the second fiber adapter assembly (68), the 3rd fiber adapter assembly (67) and fiber optic loop (66);
Described skeleton (61) comprises bobbin skeleton body (611) and is arranged on the mount pad (612) on the outer peripheral face of described skeleton body (611), it is upper that described light path is assemblied in described skeleton 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; in the time being in place; cover cap is being positioned in part more than described mount pad (612) of described skeleton body (611) from top to bottom for described protective cover (62), and described fibre blocking plate (63) mounts cover being positioned in the part below described mount pad (612) at described skeleton body (611).
2. the time delay ring assembly for vibration transducer according to claim 1, is characterized in that,
Described skeleton body (611) comprises the cylindrical portion (6111) of hollow, the first ring part (6112) that is positioned at described cylindrical portion (6111) two ends and the second ring part (6113);
Described mount pad (612) forms and square mount pad that outline is square for extending radially outward from the outer peripheral face of described the second ring part (6113), and described mounting hole (6121) is arranged on four angles of described square mount pad;
The coupling mechanism that described the first coupling mechanism (64) is 3 × 3, the coupling mechanism that described the second coupling mechanism (69) is 2 × 2, described the first coupling mechanism (64) and the second coupling mechanism (69) and described the 3rd fiber adapter assembly (67) are arranged on the outside surface of described the second ring part (6113), in the time being in place, described fibre blocking plate (63) is fixedly attached on this outside surface of described the second ring part (6113), described the first fiber adapter assembly (65) and the second fiber adapter assembly (68) are arranged on the outside surface of described the first ring part (6112), described fiber optic loop (66) is wrapped in the cylindrical portion (6111) of described skeleton body (611), wherein, two output terminals of described the first coupling mechanism (64) are connected with one end of described the first fiber adapter assembly (65) and one end of the second fiber adapter assembly (68) respectively through the inner cavity of described cylindrical portion (6111), the two ends of described fiber optic loop (66) are connected to respectively one end of the other end and described the 3rd fiber adapter assembly (67) of described the first fiber adapter assembly (65), the other end of described the 3rd fiber adapter assembly (67) connects a FC/APC joint, as the first output terminal of described light path, the other end of described the second fiber adapter assembly (68) is connected to an input end of described the second coupling mechanism (69) through the inner cavity of described cylindrical portion (6111), another input end of described the second coupling mechanism (69) and an output terminal are respectively as first input end and second output terminal of described light path, and another output terminal of described the second coupling mechanism (69) is vacant, an output terminal of described the first coupling mechanism (64) is vacant, and its input end and another two output terminals distribute as the second input end and third and fourth output terminal of described light path,
One end relative with openend of described protective cover (62) is blind end; in the time being in place; this blind end of described protective cover (62) is fixedly attached on the outside surface of described the 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 skeleton body (611) is provided with bracing frame (613), the outer wall that support frame as described above (613) comprises the cylindrical drum portion (6131) of hollow and justifies deceleration column (6131) by oneself radially extends to two symmetrical flanks (6132) of the inwall of described cylindrical portion (6111), the size of the hollow hole of described cylindrical drum portion (6131) with match around the size around fine axle of fine machine, and described time delay ring assembly also comprises three fiber adapter fixed mounts (616), each fiber adapter fixed mount (616) comprises the rectangle frame (6162) of (6161) that has through hole and the holder (6163) extending along this limit to both sides from one side of described rectangle frame (6162), described holder is provided with threaded hole on (6163), in the time being in place, described the 3rd fiber adapter assembly (67) is assemblied in the through hole of rectangle frame of a fiber adapter fixed mount, and described fiber adapter fixed mount is fixed to by screw in the cylindrical drum portion (6131) of support frame as described above (613), described the first fiber adapter assembly (65) and the second fiber adapter assembly (68) are assemblied in the through hole of 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) by screw separately, and
On the outside surface of described the second ring part (6113), be provided with the first draw-in groove (6151) and the second draw-in groove (6152), described the first coupling mechanism (64) and the second coupling mechanism (69) are stuck in described the first draw-in groove (6151) and the second draw-in groove (6152).
4. one kind for the packaging system of time delay ring assembly as claimed any one in claims 1 to 3, it is characterized in that, described packaging system comprises: 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), internal sound insulation thermofin (5), and damper assembly (7), wherein, 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) is the cube structure with cavity, and 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 on the sidewall of internal sound insulation thermofin (5), corresponding position is provided with the through hole leading in/out for the input and output side of light path, described internal sound insulation thermofin (5) is attached at the inside surface of the cavity of described the 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 the second separation layer (4), described the 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 the first separation layer (2), described damper assembly (7) is assemblied in the mounting hole (6121) of time delay ring assembly (6), thus time delay ring assembly (6) is supported on the diapire of inner chamber (51) of described internal sound insulation thermofin (5).
5. light path sound-insulating and heat-insulating vibration damping packaging system according to claim 4, it is characterized in that, on the inner bottom surface of described the second separation layer (4), be provided with the upwardly extending bearing of diapire (41) through described sound-insulating and heat-insulating layer (5), and in described bearing (41), be provided with threaded hole (411); Described damper assembly (7) is threaded with described bearing (41), thus described time delay ring assembly (6) is fixed on described bearing (41).
6. light path sound-insulating and heat-insulating vibration damping packaging system according to claim 5, 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 the sleeve base (752) and the quill (751) that are "T"-shaped layout, 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, in the time being in place, 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 the second separation layer (4).
7. light path sound-insulating and heat-insulating vibration damping packaging system according to claim 6, 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 and the minor diameter part that are "T"-shaped layout, and in the time being in place, two minor diameter parts are embedded in the mounting hole (6121) of described time delay ring assembly (6) relative to one another.
8. light path sound-insulating and heat-insulating vibration damping packaging system according to claim 4, 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 that comprises upper cover and lower tray, the described through hole leading in/out for the input and output side of light path is formed by the semi-circular recesses being 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.
9. light path sound-insulating and heat-insulating vibration damping packaging system according to claim 4, is characterized in that, between described the first separation layer (2) and middle sound-insulating and heat-insulating layer (3), is provided with air chamber (8).
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