CN219301652U - Novel optical fiber sensor - Google Patents

Abstract

The utility model discloses a novel optical fiber sensor, which comprises a sensor main body and a mounting column, wherein an anti-twisting shell is arranged at the right end of the sensor main body, the elastic component comprises a fixed block and a spring, and the mounting column is arranged at the left end inside the sensor main body. This novel optical fiber sensor, in the use, can make the junction of sensor main part and optic fibre can rebound automatically after buckling, reduce the damage that the optic fibre bending caused, slowed down the ageing speed of optic fibre, prolonged the life of device, sealed retainer plate can be waterproof to the device, be convenient for apron installation and fixed, dustproof rubber circle can be dustproof to the device and protect, can prevent effectively that water or dust from getting into harm internal device in the sensor main part, prolonged internal device's life, can fix the optic fibre that alternates at unable adjustment base, and can be suitable for the optic fibre of multi-diameter size to fix, the installation is firm and extensive applicability.

Description

Novel optical fiber sensor

Technical Field

The utility model relates to the technical field of optical fiber sensors, in particular to a novel optical fiber sensor.

Background

The optical fiber sensor is a sensor for converting the state of a detected object into a measurable optical signal, the working principle of the optical fiber sensor is that a light beam incident by a light source is sent into a modulator through an optical fiber, the interaction between the light beam and external detected parameters in the modulator changes the optical properties of the light such as the intensity, wavelength, frequency, phase, polarization state and the like of the light to become a modulated optical signal, the modulated optical signal is sent into an optoelectronic device through the optical fiber and the detected parameters are obtained through a demodulator, and in the whole process, the light beam is led in through the optical fiber and then is emitted out through the modulator, wherein the optical fiber firstly transmits the light beam and then plays the role of an optical modulator.

The utility model discloses an optical fiber sensor as in the patent document of publication number CN211042264U, including detection head and amplifier, the amplifier is connected with a power cord and an optical fiber, the detection head includes the casing, the one end of casing is equipped with the detection mouth, the other end of casing is equipped with first wiring mouth and second wiring mouth, be equipped with in the casing with the detection mouth first wiring mouth with the holding chamber of second wiring mouth intercommunication, be equipped with laser light source and optical fiber detection head in holding the intracavity, the optical fiber passes first wiring mouth with optical fiber detection head is connected, the power cord passes the second wiring mouth with the laser light source electricity is connected. The utility model uses the laser light source to replace the traditional light source, so that the optical fiber sensor has the characteristics of long detection distance and small optical fiber irradiation light spot, and the product detection precision is improved.

In the use of the device, although the precision of product detection can be improved, the device is not provided with an anti-twisting structure, in the use process, the connection part of the optical fiber and the sensor is installed in a direct connection mode, the connection part of the sensor and the optical fiber cannot rebound after being bent too much, the optical fiber is damaged, the optical fiber is aged, the service life of the device is shortened, and therefore, the novel optical fiber sensor is provided.

Disclosure of Invention

The present utility model is directed to a novel optical fiber sensor, which solves the problems set forth in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a novel optical fiber sensor, includes sensor main part and erection column, sensor main part's right-hand member is provided with the anti-torsion shell, and the inside of anti-torsion shell has set gradually anti-torsion inner shell and elastic component from interior to exterior, elastic component includes fixed block and spring, and the inside of fixed block is provided with the spring, the erection column sets up in sensor main part's inside left end.

Further, a screw is arranged on the left side of the front end of the sensor main body, and a display screen is arranged on the right side of the front end of the sensor main body.

Further, the right-hand member of anti-torsion shell is provided with dustproof rubber circle, and the inside of dustproof rubber circle is provided with optic fibre.

Further, the inside middle-end of sensor main part is provided with control terminal, and the inside right-hand member of sensor main part is provided with fixed base.

Further, the inside middle-end of fixed base is provided with the fixed orifices, and the inside upper end of fixed base is provided with the threaded rod.

Further, the upper end of the threaded rod is provided with a handle, and the lower end of the threaded rod is provided with a fixing piece.

Further, the inside upper end of sensor main part is provided with sealed retainer plate, and the upper end of sensor main part is provided with the apron.

The utility model provides a novel optical fiber sensor, which has the following beneficial effects: in the use, can make the junction of sensor main part and optic fibre can rebound automatically after buckling, reduce the damage that the optic fibre crooked caused, slowed down the ageing speed of optic fibre, prolonged the life of device, sealed retainer plate can be waterproof protection to the device, be convenient for the apron installation and fixed, dustproof rubber circle can be dustproof protection to the device, can prevent effectively that water or dust from getting into harm internal device in the sensor main part, prolonged the life of internal device, can fix the optic fibre that alternates at fixed base, and can be suitable for the optic fibre of multi-diameter size to fix, the installation is firm and extensive applicability.

1. According to the utility model, through the arrangement of the sensor main body, the anti-twisting outer shell, the optical fiber, the anti-twisting inner shell, the elastic component and the spring, when the device is required to be bent to be conveniently installed in different spaces, the anti-twisting outer shell, the elastic component and the anti-twisting inner shell are arranged at the parts of the sensor main body and the optical fiber connector, wherein the anti-twisting outer shell can prevent damage to the connector caused by external environment, the elastic component can ensure that the bent optical fiber can rebound through elastic potential energy generated by the internal spring under different bending conditions, the anti-twisting inner shell can protect the intact of the optical fiber cortex and slow down the ageing speed of the optical fiber due to bending, and in the process, the connection part of the sensor main body and the optical fiber can rebound automatically after bending, so that the bending damage caused by the optical fiber is reduced, the ageing speed of the optical fiber is slowed down, and the service life of the device is prolonged.

2. According to the utility model, through the arrangement of the sensor main body, the dustproof rubber ring, the optical fiber, the mounting column, the cover plate and the sealing fixing ring, when the optical fiber is used, the cover plate slides rightwards along the sealing fixing ring after the optical fiber is fixed, the mounting hole at the left side of the upper end of the cover plate is aligned with the mounting column in the sensor main body, the screw sequentially passes through the mounting hole and the mounting column, the cover plate is fixedly connected with the sensor main body, then the dustproof rubber ring is turned over on the outer surface of the optical fiber to be completely attached, in the process, the waterproof protection can be carried out on the device by the sealing fixing ring and the dustproof rubber ring through the use of the sealing fixing ring, the cover plate is convenient to mount and fix, the dustproof protection can be carried out on the device by the dustproof rubber ring, water or dust can be effectively prevented from entering the sensor main body to damage internal devices, and the service life of the internal devices is prolonged.

Drawings

FIG. 1 is a schematic diagram of the front view of a novel fiber optic sensor of the present utility model;

FIG. 2 is a schematic diagram of a front cross-sectional structure of a novel fiber optic sensor of the present utility model;

FIG. 3 is a schematic side cross-sectional view of a novel fiber sensor of the present utility model;

FIG. 4 is a schematic top cross-sectional view of a novel fiber sensor of the present utility model;

FIG. 5 is a schematic diagram showing an enlarged structure of an anti-twisting housing of a novel optical fiber sensor according to the present utility model;

fig. 6 is a schematic perspective view of a fixing base of a novel optical fiber sensor according to the present utility model.

In the figure: 1. a sensor body; 2. a display screen; 3. a screw; 4. an anti-twisting housing; 5. a dustproof rubber ring; 6. an optical fiber; 7. a control terminal; 8. a mounting column; 9. a cover plate; 10. a fixed base; 11. a threaded rod; 12. a handle; 13. sealing the fixing ring; 14. a fixing member; 15. an anti-twisting inner case; 16. an elastic component; 1601. a fixed block; 1602. a spring; 17. and a fixing hole.

Detailed Description

As shown in fig. 1 to 5, a novel optical fiber sensor comprises a sensor main body 1 and a mounting column 8, wherein the right end of the sensor main body 1 is provided with an anti-twisting outer shell 4, the inside of the anti-twisting outer shell 4 is sequentially provided with an anti-twisting inner shell 15 and an elastic component 16 from inside to outside, the elastic component 16 comprises a fixing block 1601 and a spring 1602, the inside of the fixing block 1601 is provided with the spring 1602, the mounting column 8 is arranged at the left end of the inside of the sensor main body 1, when the device is required to be bent so as to be conveniently installed in different spaces, the anti-twisting outer shell 4, the elastic component 16 and the anti-twisting inner shell 15 are arranged at the joint part of the sensor main body 1 and the optical fiber 6, the anti-twisting outer shell 4 can block damage caused by the external environment, the elastic component 16 can ensure that the bent optical fiber 6 can rebound under different bending conditions, the anti-twisting inner shell 15 can protect the cortex of the optical fiber 6, and slow down the aging speed of the optical fiber 6 due to bending, in the process, the anti-twisting outer shell 4, the elastic component 16 and the anti-twisting inner shell 16 can protect the optical fiber 6, the anti-twisting inner shell 16 can be bent, the anti-twisting inner shell 6 can be bent, the anti-twisting inner shell is arranged at the front end of the optical fiber 6, the anti-twisting inner shell is arranged at the front end of the end, the anti-twisting inner shell 1 is provided with a sealing ring, the anti-twisting cover plate 1 is arranged at the front end of the sensor main body 1, the sensor main body 1 is provided with a sealing plate, the anti-bending end is provided with a sealing ring, the anti-bending cover plate 1, the anti-bending end is arranged at the end 1, the anti-bending end is provided with the anti-bending end, the anti-bending inner shell 1, the anti-bending cover 1 is provided with the anti-bending cover is used, and the anti-bending end is used, and the anti-bending sensor front, and the anti-bending sensor is used, and the dust sensor is used. After fixing the optical fiber 6, slide the apron 9 along sealed retainer plate 13 rightwards to make apron 9 upper end left mounting hole aim at the inside erection column 8 of sensor main part 1, pass mounting hole and erection column 8 with screw 3 in proper order, make apron 9 and sensor main part 1 fixed connection, then overturn dustproof rubber circle 5 at the surface of optical fiber 6, make it laminate completely, in this process, through the use of sealed retainer plate 13 and dustproof rubber circle 5, sealed retainer plate 13 can carry out waterproof protection to the device, be convenient for apron 9 installation and fixed, dustproof rubber circle 5 can carry out dustproof protection to the device, can effectively prevent water or dust to get into harm internal part in the sensor main part 1, the life of internal part has been prolonged.

As shown in fig. 2, 3 and 6, the middle end of the inside of the sensor body 1 is provided with the control terminal 7, and the right end of the inside of the sensor body 1 is provided with the fixing base 10, the middle end of the inside of the fixing base 10 is provided with the fixing hole 17, and the upper end of the inside of the fixing base 10 is provided with the threaded rod 11, the upper end of the threaded rod 11 is provided with the handle 12, and the lower end of the threaded rod 11 is provided with the fixing piece 14, when in use, the dustproof rubber ring 5 is turned up to the anti-twisting shell 4, the optical fiber 6 passes through the anti-twisting inner shell 15 and the fixing hole 17 of the middle end of the inside of the fixing base 10, the threaded rod 11 rotates when the handle 12 is rotated, the fixing piece 14 is driven to move downwards until the optical fiber 6 is fixed firmly.

In sum, this novel optical fiber sensor, when in use, firstly take down screw 3, slide apron 9 along sealed retainer plate 13 left, open sensor main part 1, turn up dustproof rubber circle 5 to anti-torsion shell 4, pass anti-torsion inner shell 15 with optic fibre 6 and fixed orifices 17 of the inside middle-end of fixed base 10, threaded rod 11 rotation when rotatory handle 12, drive mounting 14 and move downwards, until fixed firm with optic fibre 6, after fixing, slide apron 9 along sealed retainer plate 13 right, and make apron 9 upper end left mounting hole aim at the inside erection column 8 of sensor main part 1, pass mounting hole and erection column 8 in proper order, make apron 9 and sensor main part 1 fixed connection, then turn over dustproof rubber circle 5 at optic fibre 6's surface, make it laminate completely, when the device needs buckle in order to install in different spaces, set up anti-torsion shell 4 at the part of sensor main part 1 and optic fibre 6 joint, elastic component 16 and anti-torsion inner shell 15, wherein anti-torsion shell 4 can block that the elastic energy can produce the elastic energy of the inside of optic fibre 6 can be in order to the inside of the bending environment of the inner shell 16 under the same principle of the elastic energy that the elastic energy is good sensor main part 1, the elastic energy is produced by the elastic energy of the inner shell 1602, the optic fibre 6 can be guaranteed to be well-insulated under the fact that the inside bending of the optic fibre 6, this elastic energy can be well-insulated down the inner shell 6, the principle is produced inside the optical fiber sensor can be guaranteed.

Claims (7)

1. The utility model provides a novel optical fiber sensor, includes sensor main part (1) and erection column (8), its characterized in that, the right-hand member of sensor main part (1) is provided with anti-torsion shell (4), and the inside of anti-torsion shell (4) has set gradually anti-torsion inner shell (15) and elastic component (16) from interior to exterior, elastic component (16) include fixed block (1601) and spring (1602), and the inside of fixed block (1601) is provided with spring (1602), erection column (8) set up in the inside left end of sensor main part (1).

2. The novel optical fiber sensor according to claim 1, wherein a screw (3) is arranged on the left side of the front end of the sensor main body (1), and a display screen (2) is arranged on the right side of the front end of the sensor main body (1).

3. The novel optical fiber sensor according to claim 1, wherein the right end of the anti-twisting housing (4) is provided with a dustproof rubber ring (5), and the inside of the dustproof rubber ring (5) is provided with an optical fiber (6).

4. The novel optical fiber sensor according to claim 1, wherein the inner middle end of the sensor main body (1) is provided with a control terminal (7), and the inner right end of the sensor main body (1) is provided with a fixed base (10).

5. The novel optical fiber sensor according to claim 4, wherein the inner middle end of the fixed base (10) is provided with a fixed hole (17), and the inner upper end of the fixed base (10) is provided with a threaded rod (11).

6. The novel optical fiber sensor according to claim 5, wherein the upper end of the threaded rod (11) is provided with a handle (12), and the lower end of the threaded rod (11) is provided with a fixing piece (14).

7. The novel optical fiber sensor according to claim 1, wherein a sealing fixing ring (13) is arranged at the upper end of the inside of the sensor main body (1), and a cover plate (9) is arranged at the upper end of the sensor main body (1).

Images