Optical fiber speed sensor

Abstract

The utility model provides an optical fiber speed sensor which comprises an optical fiber and a wire, the optical fiber and the wire are connected through an optical fiber connector, an optical fiber connector protection cover assembly is installed on the outer side of the optical fiber connector, and a data receiver is installed on the right side of the front end of the wire. Through the arrangement of the semicircular protective cover, the observation window, the fixing plate, the bolt and the open hole, external erosive substances can be resisted through the arrangement of the semicircular protective cover, the erosive substances are prevented from influencing the use of the optical fiber connector, the cost consumption is reduced, and the sealing effect of the optical fiber connector is improved.

Description

TECHNICAL FIELD

[0001] The utility model optical sensor belongs to technical field, especially relate to a kind of optical fiber speed sensor. BACKGROUND

[0002] Optical fiber speed sensor is a kind of sensor using optical fiber transmission characteristics to realize angular velocity measurement.Its working principle is based on when optical fiber rotates, the optical path of light transmission in optical fiber changes, thereby causing light intensity to change.By the light intensity change signal received by light detector, after signal processing, it is ultimately converted into angular velocity signal.The existing optical fiber speed sensor includes fixed box, the fixed box includes front, back plate opposite to the front, and at least two side plates set between the front and the back plate and perpendicular to the back plate, at least two side plates are perpendicular, the front, back plate and side plate enclose an installation space, optical fiber acceleration sensor is installed on the back plate and located in the installation space;The side of back plate away from optical fiber acceleration sensor is provided with first fitting body, and the side plate is provided with the plug-in slot matched with the first fitting body.

[0003] The existing optical fiber speed sensor, when optical fiber acceleration sensor is exposed to the outside, is easily eroded by the outside, and in long-term use, when no alarm device is set, optical fiber acceleration sensor joint is easily damaged, reduces the stability of use, and causes cost consumption. CONTENT OF THE UTILITY MODEL

[0004] In order to solve the above technical problems, the utility model provides a kind of optical fiber speed sensor, can resist external erosive material by semicircular protective cover setting, avoid the influence of erosive material on the use of optical fiber joint, in addition, the temperature of optical fiber joint is detected by temperature detector, when the detection temperature is exceeded, and the staff is informed by data receiver, improve the stability of use, reduce cost consumption.

[0005] Among them, the utility model is realized by the following technical solutions:

[0006] A kind of optical fiber speed sensor, including optical fiber and wire, the optical fiber and wire are connected by optical fiber joint, the outside of the optical fiber joint is installed with optical fiber joint protection cover assembly, the right side of the wire front end is installed with data receiver.

[0007] Preferably, the optical fiber joint protective cover assembly comprises two semicircular protective covers, the front ends of the two semicircular protective covers are respectively provided with observation windows, the left and right sides between the two semicircular protective covers are respectively fixedly installed with fixed plates, the fixed plates on the same side are oppositely arranged and are connected through bolts, the upper and lower ends of the two semicircular protective covers are respectively provided with openings, the upper and lower sides of the front ends of the two semicircular protective covers are fixedly installed with heat dissipation nets in parallel, and the left and right sides in the two semicircular protective covers are respectively fixedly installed with temperature detectors.

[0008] Preferably, the upper semicircular protective cover is sealingly installed outside the optical fiber.

[0009] Preferably, the lower semicircular protective cover is sealingly installed outside the wire.

[0010] Preferably, a sealing gasket is arranged between the two semicircular protective covers.

[0011] Preferably, the two fixed plates are internally provided with through holes for facilitating the passing of bolts.

[0012] Compared with the prior art, the optical fiber joint protective cover assembly has the advantages that:

[0013] In the optical fiber joint protective cover assembly, the semicircular protective cover, the observation window, the fixed plate, the bolt and the opening are arranged, the semicircular protective cover can resist external erosion, the use of the optical fiber joint is not affected by the erosion, the cost consumption is reduced, and the sealing effect of the optical fiber joint is improved.

[0014] In the optical fiber joint protective cover assembly, the heat dissipation net, the semicircular protective cover, the temperature detector, the opening and the data receiver are arranged, when the optical fiber joint exceeds the detection temperature during long-term use, the data receiver can inform the staff, the stability of use is improved, and the cost consumption is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 is a structural schematic view of the utility model;

[0016] Figure 2 is a structural schematic view of the optical fiber joint protective cover assembly of the utility model.

[0017] In the drawings:

[0018] 1, optical fiber; 2, wire; 3, optical fiber joint protective cover assembly; 31, semicircular protective cover; 32, observation window; 33, fixed plate; 34, bolt; 35, opening; 36, heat dissipation net; 37, temperature detector; 4, optical fiber joint; 5, data receiver. PREFERRED EMBODIMENT

[0019] The utility model is specifically described below in combination with the drawings, as shown in the drawings, Figure 1 As shown in the drawings, a kind of optical fiber speed sensor, including optical fiber 1 and wire 2, the optical fiber 1 and wire 2 between by optical fiber joint 4 connection, the outside of the optical fiber joint 4 is equipped with optical fiber joint protective cover assembly 3, the right side of the front end of the wire 2 is equipped with data receiver 5.

[0020] In the embodiment, in combination with the drawings Figure 2 As shown in the drawings, the optical fiber joint protective cover assembly 3 includes semicircular protective cover 31, two semicircular protective cover 31 front end is provided with observation window 32 respectively, two semicircular protective cover 31 between left and right two sides are fixedly installed with fixed plate 33 respectively, the fixed plate 33 of being in the same side is arranged in opposition to the upper and lower and is connected by bolt 34 between the upper and lower, two semicircular protective cover 31 upper and lower two ends are provided with aperture 35 respectively, the upper and lower two sides of the front end of two semicircular protective cover 31 are fixedly installed with heat dissipation net 36 in parallel, two semicircular protective cover 31 inside left and right two sides are fixedly installed with temperature detector 37 respectively, two semicircular protective cover 31 cover optical fiber joint 4, then by bolt 34 connection, optical fiber joint 4 is easy to produce high temperature when working continuously, dissipate heat through heat dissipation net 36, and semicircular protective cover 31 can be set to resist external erosive material, avoid erosive material to influence the use of optical fiber joint 4, to reduce cost consumption, improve the sealing effect of optical fiber joint 4.

[0021] In the embodiment, specifically, the upper semicircular protective cover 31 is sealingly installed on the outside of the optical fiber 1.

[0022] In the embodiment, specifically, the lower semicircular protective cover 31 is sealingly installed on the outside of the wire 2.

[0023] In the embodiment, specifically, a sealing gasket is provided between the two semicircular protective covers 31.

[0024] In the embodiment, specifically, the two fixed plates 33 are provided with through holes in the interiors thereof for facilitating the passage of the bolts 34.

[0025] In the embodiment, specifically, the data receiver 5 is electrically connected to the temperature detector 37.

[0026] Working principle

[0027] The utility model discloses, using, with the wire 2 through the optical fiber joint 4 is connected to the optical fiber 1, sets up the temperature detection data in data receiver 5, detects the temperature of optical fiber joint 4 through temperature detector 37, and when the optical fiber joint 4 appears to exceed the detection temperature, and through data receiver 5 informs the staff, and the staff observes the condition of optical fiber joint 4 through observation window 32, and maintains or repairs optical fiber joint 4, thereby improves the stability of use, reduces the cost consumption.

[0028] The technical scheme disclosed by the utility model, or a similar technical scheme designed by a person skilled in the art inspired by the technical scheme of the utility model, achieves the above technical effects, and falls within the protection scope of the utility model.

Claims

1. An optical fiber velocity sensor, characterized by, The optical fiber speed sensor includes optical fiber (1) and wire (2), the optical fiber (1) and wire (2) are connected through optical fiber joint (4), the outside of optical fiber joint (4) is equipped with optical fiber joint protective cover assembly (3), the front end right side of wire (2) is equipped with data receiver (5);The optical fiber joint protective cover assembly (3) includes semicircle protective cover (31), the front end of two semicircle protective cover (31) is provided with observation window (32) respectively, the left and right sides between two semicircle protective cover (31) are fixedly installed with fixed plate (33) respectively, the fixed plate (33) of being in the same side is opposite and is set up between the upper and lower and is connected through bolt (34), the upper and lower two ends of two semicircle protective cover (31) are respectively provided with opening (35), the upper and lower two sides of the front end of two semicircle protective cover (31) are fixedly installed with heat dissipation net (36) in parallel, the left and right sides in two semicircle protective cover (31) are fixedly installed with temperature detector (37) respectively.

2. The optical fiber velocity sensor of claim 1, wherein, The upper semicircle protective cover (31) is sealingly installed on the outside of optical fiber (1).

3. The optical fiber velocity sensor of claim 1, wherein, The lower semicircle protective cover (31) is sealingly installed on the outside of wire (2).

4. The optical fiber velocity sensor of claim 1, wherein, Sealing pads are arranged between the two semicircle protective covers (31).

5. The optical fiber velocity sensor of claim 1, wherein, The two fixed plates (33) are provided with through holes in the interior for the bolts (34) to pass through.

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