CN216309023U

CN216309023U - Optical fiber sensor convenient to fixed mounting

Info

Publication number: CN216309023U
Application number: CN202123163699.8U
Authority: CN
Inventors: 柳霖
Original assignee: Suzhou Xingchuang Automation Technology Co ltd
Current assignee: Suzhou Xingchuang Automation Technology Co ltd
Priority date: 2021-12-16
Filing date: 2021-12-16
Publication date: 2022-04-15
Anticipated expiration: 2031-12-16

Abstract

The utility model relates to the technical field of optical fiber sensors, and discloses an optical fiber sensor convenient for fixed installation, which comprises an installation base unit and an optical fiber sensor unit movably installed on the installation base unit, wherein when the optical fiber sensor unit is installed, a reinforcing bottom plate is fixed on a bridge, a sensor main body is inserted into a protective housing, and an insertion strip block is movably inserted into an insertion groove to be clamped and positioned, so that the optical fiber sensor is convenient to install, disassemble and maintain, and the sensor main body cannot be damaged when the optical fiber sensor unit is installed; the inclined plane end of grafting piece supports to move the round pin post and pushes up it in the mounting hole, when grafting piece removed and made round pin post and locating hole align in the inserting groove, the spring resets and pushes up the round pin post and lock in the locating hole, plays fine theftproof effect, when needing to dismantle, shifts up through magnet absorption round pin post and makes it break away from the locating hole.

Description

Optical fiber sensor convenient to fixed mounting

Technical Field

The utility model relates to the technical field of optical fiber sensors, in particular to an optical fiber sensor convenient to fixedly install.

Background

An optical fiber sensor is a sensor that converts the state of an object to be measured into a measurable optical signal. The optical fiber sensor has the working principle that light beams incident from a light source are sent into a modulator through an optical fiber, the light beams interact with external measured parameters in the modulator, so that optical properties of the light, such as intensity, wavelength, frequency, phase, polarization state and the like, are changed to form modulated light signals, and the modulated light signals are sent into a photoelectric device through the optical fiber and then are demodulated to obtain the measured parameters.

The existing optical fiber sensor for monitoring the bridge is mostly fixed on the bridge through screws when being installed, so that the sensor is inconvenient and easy to damage during installation, and meanwhile, the optical fiber sensor is inconvenient to detach and maintain.

In view of the above problems, the present invention provides an optical fiber sensor that is convenient to fixedly install.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an optical fiber sensor convenient to fixedly install, which comprises an installation base unit and an optical fiber sensor unit movably arranged on the installation base unit, is convenient to install and cannot damage the sensor, thereby solving the problems in the background art.

In order to achieve the purpose, the utility model provides the following technical scheme: an optical fiber sensor convenient for fixed installation comprises an installation base unit and an optical fiber sensor unit movably installed on the installation base unit, wherein the installation base unit comprises a reinforcing bottom plate and a protective cover fixedly arranged on the upper end surface of the reinforcing bottom plate, and an anti-theft pin column piece is arranged in the protective cover;

the optical fiber sensor unit comprises a sensor main body and insertion strip blocks arranged on two sides of the lower end of the sensor main body.

Preferably, four corners of the reinforcing bottom plate are provided with plug holes for mounting fixing screws.

Preferably, the protective housing is a box-shaped structure with one open end and one sealed end, the lower end of the inner side of the housing wall is provided with an insertion groove, the sealed end is provided with a probe penetrating port, and the side surface of the protective housing is provided with a fixing bolt.

Preferably, a mounting hole is formed in the wall of the protective housing, and the lower end of the mounting hole is communicated with the insertion groove.

Preferably, the anti-theft pin piece comprises a spring with one end fixedly welded in the mounting hole and a pin fixedly connected to the other end of the spring, and the pin is a member made of iron.

Preferably, the housing of the sensor body is provided with a threaded hole.

Preferably, the inserting bar block is provided with a positioning hole, the diameter of the positioning hole is matched with that of the pin column, and one end of the inserting bar block is provided with an inclined plane end.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the optical fiber sensor convenient to fixedly install, the protective cover casing with the inserting grooves formed in the lower end of the inner side of the casing wall is fixedly arranged on the reinforcing bottom plate, the inserting strips are arranged on two sides of the lower end of the sensor main body, the reinforcing bottom plate is fixed on a bridge when the optical fiber sensor is installed, the sensor main body is inserted into the protective cover casing, the inserting strips are movably inserted into the inserting grooves to be clamped and positioned, the optical fiber sensor is convenient to install, convenient to disassemble and maintain, and meanwhile, the sensor main body cannot be damaged when the optical fiber sensor is installed.

2. The optical fiber sensor convenient for fixed installation is characterized in that a pin is installed in an installation hole formed in the wall of a protective housing through a spring, a positioning hole is formed in an insertion strip block, one end of the insertion strip block is set to be an inclined end, when a sensor body is inserted into the protective housing, the inclined end of the insertion strip block pushes the pin to be pushed into the installation hole, when the insertion strip block moves in an insertion groove and the pin is aligned with the positioning hole, the spring resets to push the pin into the positioning hole to be locked, a good anti-theft effect is achieved, and when the optical fiber sensor needs to be disassembled, the pin is adsorbed by a magnet to move upwards to be separated from the positioning hole.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic structural view of a mounting base unit of the present invention;

FIG. 3 is a cross-sectional view of the protective enclosure of the present invention;

fig. 4 is a schematic structural diagram of an optical fiber sensor unit according to the present invention.

In the figure: 1. mounting a base unit; 11. reinforcing the bottom plate; 111. inserting holes; 12. a protective housing; 121. inserting grooves; 122. penetrating a detection head; 123. fixing the bolt; 124. mounting holes; 13. an anti-theft stud member; 131. a spring; 132. a pin; 2. an optical fiber sensor unit; 21. a sensor body; 211. a threaded hole; 22. inserting the bar blocks; 221. positioning holes; 222. a beveled end.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, an optical fiber sensor convenient for fixed installation includes an installation base unit 1 and an optical fiber sensor unit 2 movably installed on the installation base unit 1, the installation base unit 1 includes a reinforcing bottom plate 11 and a protective cover 12 fixedly installed on the upper end surface of the reinforcing bottom plate 11, and an anti-theft pin 13 is installed in the protective cover 12.

The optical fiber sensor unit 2 includes a sensor body 21 and insertion blocks 22 provided on both sides of the lower end of the sensor body 21.

Referring to fig. 2-3, the four corners of the reinforcing base plate 11 are provided with insertion holes 111 for installing fixing screws.

Protective housing 12 is the box-shaped structure that one end opening one end was sealed, and inserting groove 121 has been seted up to inboard lower extreme of conch wall, and set up the detecting head at the seal end and wear mouthful 122, there is fixing bolt 123 at protective housing 12's side-mounting, protective housing 12 who sets up inserting groove 121 is fixed to be set up on reinforcing bottom plate 11 at the inboard lower extreme of conch wall, and set up grafting strip piece 22 in sensor main part 21 lower extreme both sides, when installing, fixing bottom plate 11 on the bridge, insert sensor main part 21 in protective housing 12 again, and grafting strip piece 22 activity is pegged graft and is carried out the block location in inserting groove 121, conveniently install, and be convenient for dismantle the maintenance, can not cause the damage to sensor main part 21 when the installation simultaneously.

A mounting hole 124 is formed in the wall of the protective casing 12, and the lower end of the mounting hole 124 communicates with the insertion groove 121.

Anti-theft stud member 13 includes a spring 131 having one end fixedly welded in mounting hole 124 and a stud 132 fixedly attached to the other end of spring 131, and stud 132 is a member made of iron.

Referring to fig. 4, a threaded hole 211 is formed on the housing of the sensor body 21, a positioning hole 221 is formed on the insertion bar 22, the diameter of the positioning hole 221 matches the diameter of the pin 132, and a bevel end 222 is arranged at one end of the plugging bar block 22, the pin 132 is arranged in a mounting hole 124 arranged in the wall of the protective housing 12 through a spring 131, a positioning hole 221 is formed on the insertion strip 22, and one end of the insertion strip 22 is set as an inclined end 222, when the sensor body 21 is inserted into the protective housing 12, the beveled end 222 of the insertion bar 22 pushes the pin 132 into the mounting hole 124, as bayonet bar 22 moves within bayonet slot 121 and aligns pin 132 with alignment aperture 221, the spring 131 resets to push the pin 132 into the positioning hole 221 for locking, so that a good anti-theft effect is achieved, and when the pin 132 needs to be detached, the pin 132 is attracted by the magnet to move upwards to be separated from the positioning hole 221.

In summary, the following steps: the utility model provides an optical fiber sensor convenient for fixed installation.A protective housing 12 provided with an inserting groove 121 at the lower end of the inner side of a housing wall is fixedly arranged on a reinforced bottom plate 11, inserting bar blocks 22 are arranged at two sides of the lower end of a sensor main body 21, the reinforced bottom plate 11 is fixed on a bridge when the optical fiber sensor is installed, the sensor main body 21 is inserted into the protective housing 12, and the inserting bar blocks 22 are movably inserted into the inserting groove 121 for clamping and positioning, so that the optical fiber sensor is convenient to install, convenient to disassemble and maintain, and meanwhile, the sensor main body 21 cannot be damaged when the optical fiber sensor is installed; the pin 132 is installed in the installation hole 124 opened in the wall of the protective housing 12 through the spring 131, and the insertion bar 22 is opened with the positioning hole 221, and one end of the insertion bar 22 is set as the inclined end 222, when the sensor body 21 is inserted into the protective housing 12, the inclined end 222 of the insertion bar 22 pushes the pin 132 into the installation hole 124, when the insertion bar 22 moves in the insertion groove 121 and the pin 132 is aligned with the positioning hole 221, the spring 131 resets to push the pin 132 into the positioning hole 221 for locking, so as to achieve a good anti-theft effect, and when the sensor body needs to be disassembled, the pin 132 is moved upwards by the magnet to be separated from the positioning hole 221.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an optical fiber sensor convenient to fixed mounting, includes installation base unit (1) and movable mounting optical fiber sensor unit (2) on installation base unit (1), its characterized in that: the mounting base unit (1) comprises a reinforced bottom plate (11) and a protective cover shell (12) fixedly arranged on the upper end surface of the reinforced bottom plate (11), and an anti-theft pin column piece (13) is arranged in the protective cover shell (12);

the optical fiber sensor unit (2) comprises a sensor main body (21) and plug-in strip blocks (22) arranged on two sides of the lower end of the sensor main body (21).

2. A fiber optic sensor for facilitating secure mounting according to claim 1, wherein: and plug-in holes (111) for mounting fixing screws are formed at the four corners of the reinforcing bottom plate (11).

3. A fiber optic sensor for facilitating secure mounting according to claim 1, wherein: the protective housing (12) is of a box-shaped structure with one open end and one sealed end, the lower end of the inner side of the housing wall is provided with an insertion groove (121), the sealed end is provided with a probe penetrating opening (122), and the side surface of the protective housing (12) is provided with a fixing bolt (123).

4. A fiber optic sensor for facilitating secure mounting according to claim 3, wherein: the wall of the protective housing (12) is internally provided with a mounting hole (124), and the lower end of the mounting hole (124) is communicated with the insertion groove (121).

5. A fiber optic sensor for facilitating secure mounting according to claim 4, wherein: the anti-theft pin column piece (13) comprises a spring (131) with one end fixedly welded in the mounting hole (124) and a pin column (132) fixedly connected to the other end of the spring (131), and the pin column (132) is a member made of an iron material.

6. A fiber optic sensor for facilitating secure mounting according to claim 1, wherein: a threaded hole (211) is formed in the shell of the sensor main body (21).

7. A fiber optic sensor for facilitating secure mounting according to claim 5, wherein: the inserting bar block (22) is provided with a positioning hole (221), the diameter of the positioning hole (221) is matched with that of the pin column (132), and one end of the inserting bar block (22) is provided with an inclined end (222).