CN-224231080-U - Optical fiber sound sensor

Abstract

The utility model provides an optical fiber sound sensor, which comprises a first support column and a top plate, wherein springs are fixedly arranged on the left side and the right side of the first support column, backing plates are fixedly arranged on the upper parts of a plurality of springs, a convenient disassembling plate structure is arranged on the lower parts of the two top plates, the optical fiber sound sensor is fixedly arranged on the upper parts between the two top plates, and optical fiber connectors are arranged on the left side and the right side of the optical fiber sound sensor. The hollow support, the second support, the fixed support, the holes, the base plate and the top plate are arranged, and when periodic detection is carried out, the parts in different areas can be taken out independently, so that the working efficiency of replacement and maintenance of workers is improved.

Inventors

• FENG LIJUN
• LIU ZHEN
• WANG YING

Assignees

• 天津慧感光电科技有限公司

Dates

Publication Date

20260512

Application Date

20241219

Claims (6)

1. 1. The utility model provides an optical fiber sound sensor, its characterized in that, this optical fiber sound sensor includes first pillar (1) and roof (4), two the left and right sides of first pillar (1) fixed mounting have spring (2), a plurality of the upper portion fixed mounting of spring (2) have backing plate (3), two the lower part of roof (4) install convenient dismantlement plate structure (6), two the upper portion fixed mounting between roof (4) have optical fiber sound sensor (5), the left and right sides of optical fiber sound sensor (5) be provided with fiber optic connector (7).
2. 2. The optical fiber sound sensor according to claim 1, wherein the convenient disassembling plate structure (6) comprises a hollow support (61), a second support (62) is inserted into the hollow support (61), a fixing support (63) is sleeved on the outer side of the hollow support (61), an opening (64) is formed in the lower end of the inner portion of the second support (62), and the hollow support (61), the second support (62) and the fixing support (63) are connected through bolts (65).
3. 3. An optical fiber sound sensor according to claim 2, characterized in that two of said hollow struts (61) are fixedly mounted at lower intermediate positions of two of said first struts (1), respectively.
4. 4. An optical fiber sound sensor according to claim 2, wherein two of said second support posts (62) are fixedly mounted at intermediate positions of the lower portions of two of said top plates (4), respectively.
5. 5. An optical fiber sound sensor according to claim 2, characterized in that the intermediate position inside the two fixing brackets (63) is provided with openings for passing bolts (65).
6. 6. An optical fiber sound sensor according to claim 2, characterized in that the hollow struts (61) are internally provided with openings for the passage of bolts (65) at intermediate positions.

Description

Optical fiber sound sensor Technical Field The utility model belongs to the technical field of optical sensors, and particularly relates to an optical fiber sound sensor. Background The optical fiber sound sensor is characterized in that an optical signal transmitted through an optical fiber interacts with an acoustic signal to cause certain properties (such as intensity, phase and the like) of the optical signal to change, so that the detection of sound is realized. The existing optical fiber sound sensor comprises a base shell, a laser component, a sound-sensitive diaphragm, a compression ring and a spiral pipe, wherein the sound-sensitive diaphragm is fixed at one end of the base shell through the base shell and the compression ring, and meanwhile the laser component is arranged in the base shell and is contacted with the sound-sensitive diaphragm, so that the sensor can sensitize an optical fiber through the sound-sensitive diaphragm. The existing optical fiber sound sensor has poor vibration preventing effect when the sensor is installed, and deviation is easy to occur in the detection process, so that the detection efficiency of the sensor is reduced. Disclosure of Invention In order to solve the technical problems, the utility model provides the optical fiber sound sensor, by arranging the backing plate and the spring, the influence of vibration on the optical fiber sound sensor can be relieved in an installation process, so that the detection efficiency of the sensor is improved, in addition, when periodic detection is carried out, the parts in different areas can be independently taken out, and the working efficiency of replacement and maintenance of workers is improved. The utility model is realized by the following technical scheme: The utility model provides an optical fiber sound sensor, includes first pillar and roof, two the left and right sides fixed mounting of first pillar has the spring, a plurality of the upper portion fixed mounting of spring has the backing plate, two the lower part of roof install convenient dismantlement plate structure, two the upper portion fixed mounting between the roof have optical fiber sound sensor, optical fiber sound sensor's left and right sides be provided with fiber splice. Preferably, the convenient disassembling plate structure comprises a hollow support, a second support is inserted into the hollow support in an inserting mode, a fixing support is sleeved on the outer side of the hollow support, an opening is formed in the lower end of the inner portion of the second support, and the hollow support, the second support and the fixing support are connected through bolts. Preferably, the two hollow struts are fixedly installed at the lower middle positions of the two first struts, respectively. Preferably, the two second struts are fixedly installed at middle positions of lower parts of the two top plates respectively. Preferably, the middle position inside the two fixing brackets is provided with an opening for passing through a bolt. Preferably, the middle position inside the two hollow struts is provided with an opening for passing through a bolt. Compared with the prior art, the utility model has the beneficial effects that: According to the utility model, the hollow support, the second support, the fixing support, the holes, the base plate and the top plate are arranged, so that the components in different areas can be taken out independently during regular detection, and the working efficiency of replacement and maintenance of workers is improved. According to the utility model, the arrangement of the spring, the backing plate, the optical fiber sound sensor and the optical fiber connector can assist in relieving the pressure during installation through the spring and the backing plate, and the stability of the optical fiber sound sensor during installation is improved. Drawings FIG. 1 is a schematic diagram of the structure of the present utility model; fig. 2 is a schematic structural view of the convenient disassembling plate structure of the present utility model. In the figure: 1. The device comprises a first support column, a spring, a base plate, a top plate, a fiber sound sensor, a convenient disassembling plate structure, a hollow support column, a second support column, a fixing support, 64, holes, 65, bolts and 7 fiber connectors. Detailed Description The utility model is specifically described below with reference to the accompanying drawings, as shown in fig. 1, an optical fiber sound sensor comprises a first support column 1 and a top plate 4, wherein springs 2 are fixedly arranged on the left side and the right side of the first support column 1, backing plates 3 are fixedly arranged on the upper parts of a plurality of springs 2, a convenient disassembling plate structure 6 is arranged on the lower parts of the two top plates 4, an optical fiber sound sensor 5 is fixedly arranged on the upper parts between the two top plates 4, and o