CN219200454U - Optical fiber sensor - Google Patents

Abstract

The utility model provides an optical fiber sensor, and relates to the technical field of optical fiber sensors. The optical fiber sensor comprises an optical fiber body, a sensor assembly, a flexible jacket, a fixed seat and a fixed cap; the optical fiber body is inserted into the flexible outer sleeve, one end of the flexible outer sleeve is inserted with the sensor component, the other end of the flexible outer sleeve is inserted with the fixing seat, and the fixing cap is detachably arranged on the fixing seat; through holes for the optical fibers to pass through are formed in the fixing seat and the fixing cap. The technical effect that the data acquisition work can be completed by inserting the biological reaction bag is achieved.

Description

Optical fiber sensor

Technical Field

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

Background

The disposable optical fiber sensor realizes the sensor and signal transmission, the optical fiber bundle tube is connected and transmits signal data in a contactless manner, the bacteria contamination risk in the biological culture process can be greatly reduced, the use is very convenient, the effective connection can be realized only by ensuring that the distance between the sensor and the optical fiber bundle tube is kept within a certain range during the use, and the stable data transmission is realized.

However, the optical fiber sensor in the prior art has a limitation in that when the existing optical fiber sensor is inserted into the biological reaction bag for use, the optical fiber sensor can stretch back and forth, so that the continuous data acquisition of the optical fiber sensor is affected, and the optical fiber sensor cannot be inserted into the biological reaction bag and completes the data acquisition work in the biological bag culture solution.

Accordingly, it is an important technical problem to be solved by those skilled in the art to provide an optical fiber sensor that can be inserted into a bioreactor bag.

Disclosure of Invention

The utility model aims to provide an optical fiber sensor so as to solve the technical problems that the optical fiber sensor in the prior art cannot be inserted on a biological reaction bag and data acquisition work is completed in a biological bag culture solution.

In a first aspect, an embodiment of the present utility model provides an optical fiber sensor, including an optical fiber body, a sensor assembly, a flexible jacket, a fixing base, and a fixing cap;

the optical fiber body is inserted into the flexible jacket;

the sensor component is inserted at one end of the flexible outer sleeve, the fixing seat is inserted at the other end of the flexible outer sleeve, and the fixing cap is detachably arranged on the fixing seat;

the fixing seat and the fixing cap are respectively provided with a through hole for the optical fiber to pass through.

With reference to the first aspect, an embodiment of the present utility model provides a possible implementation manner of the first aspect, where the optical fiber body is sleeved with a protective inner tube.

With reference to the first aspect, the embodiment of the present utility model provides a possible implementation manner of the first aspect, wherein the sensor assembly includes a sensor body and a sensor base;

the sensor base is provided with a mounting groove for mounting the sensor body, and the optical fiber body is connected with the sensor body;

the sensor base is provided with a first limiting outer edge which is abutted with the flexible outer sleeve.

With reference to the first aspect, an embodiment of the present utility model provides a possible implementation manner of the first aspect, where the sensor base has a first jack into which the optical fiber body is inserted, and the first jack corresponds to the mounting groove, so that the optical fiber body interacts with the sensor body.

With reference to the first aspect, an embodiment of the present utility model provides a possible implementation manner of the first aspect, where an outer wall of the sensor base is provided with an expanding element for expanding the flexible jacket, so that the flexible jacket is tightly sleeved on the sensor base.

With reference to the first aspect, the embodiment of the present utility model provides a possible implementation manner of the first aspect, wherein the expansion element adopts a reducing sleeve, and an outer diameter of a longitudinal section of the reducing sleeve gradually increases from one end far from the mounting groove to the other end.

With reference to the first aspect, the embodiment of the present utility model provides a possible implementation manner of the first aspect, wherein the fixing base includes an expansion connecting base for connecting with the flexible outer sleeve and a fixing connecting base for connecting with the fixing cap;

and a second limiting outer edge which can be abutted with the flexible jacket is arranged between the expansion connecting seat and the fixed connecting seat.

With reference to the first aspect, the embodiment of the present utility model provides a possible implementation manner of the first aspect, wherein a longitudinal section of the expansion joint seat gradually increases from one end far away from the expansion joint seat to the other end.

With reference to the first aspect, an embodiment of the present utility model provides a possible implementation manner of the first aspect, where an outer wall of the fixed connection seat is provided with an external thread for connecting with the fixed cap.

With reference to the first aspect, the embodiment of the present utility model provides a possible implementation manner of the first aspect, wherein the flexible casing adopts a silicone tube.

The beneficial effects are that:

the utility model provides an optical fiber sensor, which comprises an optical fiber body, a sensor assembly, a flexible jacket, a fixed seat and a fixed cap, wherein the optical fiber body is sleeved on the sensor assembly; the optical fiber body is inserted into the flexible outer sleeve, one end of the flexible outer sleeve is inserted with the sensor component, the other end of the flexible outer sleeve is inserted with the fixing seat, and the fixing cap is detachably arranged on the fixing seat; through holes for the optical fibers to pass through are formed in the fixing seat and the fixing cap.

Specifically, the optical fiber body, the sensor assembly, the flexible jacket and the fixing base are assembled for later use, when the optical fiber sensor is inserted and arranged on the biological reaction bag for use, the optical fiber sensor is firstly inserted into the biological reaction bag, then the fixing cap is connected with the fixing base from the outside of the biological reaction bag, the optical fiber body can be relatively fixed relative to the biological reaction bag through the arrangement, the optical fiber body can be prevented from stretching back and forth in the data acquisition process, the optical fiber sensor can be normally used, the reliability and the stability of the optical fiber sensor are guaranteed, and waste and loss caused by incomplete or inaccurate data in the cell culture process are avoided.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of an optical fiber sensor according to an embodiment of the present utility model;

fig. 2 is a cross-sectional view of an optical fiber sensor according to an embodiment of the present utility model (wherein the fixing cap is not cut away).

Icon:

100-an optical fiber body; 110-protecting the inner tube;

a 200-sensor assembly; 210-a sensor body; 220-a sensor mount; 221-an expansion member; 230-a first limit outer edge;

300-flexible jacket;

400-fixing seat; 410-expanding the connecting seat; 420-fixing a connecting seat; 430-a second limit outer edge;

500-fixing cap.

Detailed Description

The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

The utility model will now be described in further detail with reference to specific examples thereof in connection with the accompanying drawings.

Referring to fig. 1 and 2, the present embodiment provides an optical fiber sensor, which includes an optical fiber body 100, a sensor assembly 200, a flexible outer sheath 300, a fixing base 400, and a fixing cap 500; the optical fiber body 100 is inserted in the flexible outer sleeve 300, one end of the flexible outer sleeve 300 is inserted with the sensor assembly 200, the other end is inserted with the fixing seat 400, and the fixing cap 500 is detachably arranged on the fixing seat 400; through holes for the optical fibers to pass through are formed in the fixing base 400 and the fixing cap 500.

Specifically, the optical fiber body 100, the sensor assembly 200, the flexible outer sleeve 300 and the fixing seat 400 are assembled for later use, when the optical fiber sensor is inserted into the bioreactor bag for use, the optical fiber sensor is inserted into the bioreactor bag, then the fixing cap 500 and the fixing seat 400 are connected together from the inside and the outside of the bioreactor bag, the optical fiber body 100 can be relatively fixed relative to the bioreactor bag through the arrangement, the optical fiber body 100 can be prevented from stretching back and forth in the data acquisition process, the optical fiber sensor can be normally used, the reliability and the stability of the optical fiber sensor are ensured, and the waste and the loss caused by incomplete or inaccurate data in the cell culture process are avoided.

Wherein the flexible outer sheath 300 is a silicone tube.

Wherein, because the silicone tube is bent due to assembly process or package extrusion, etc., and the silicone tube and the sensor base 220 are installed with step surfaces, the bending or step surfaces can cause the phenomenon of unsmooth and stuck when the optical fiber body 100 is inserted, and the front end of the optical fiber body 100 is continuously collided with the step surfaces, friction and easy to accelerate damage, thereby affecting data acquisition and cell culture results. The optical fiber sensor provided in this embodiment is provided with the protection inner tube 110 sleeved on the optical fiber body 100, and by the arrangement of the protection inner tube 110, when the optical fiber body 100 is inserted into the flexible outer sleeve 300, the light body can be smoothly inserted into the silica gel tube.

It should be noted that the protective inner tube 110 may be a rigid tube, such as a plastic tube. In addition, a person skilled in the art can select the material of the protection inner tube 110 according to the actual requirement, and the detailed description is omitted herein.

Referring to fig. 1 and 2, in an alternative to the present embodiment, a sensor assembly 200 includes a sensor body 210 and a sensor base 220; the sensor base 220 is provided with a mounting groove for mounting the sensor body 210, and the optical fiber body 100 is connected with the sensor body 210; the sensor base 220 has a first limit outer edge 230 thereon that abuts the flexible cover 300.

Specifically, when the flexible casing 300 is sleeved on the sensor base 220, the flexible casing 300 can abut against the first limiting outer edge 230 of the outer wall of the sensor base 220.

The sensor base 220 is provided with a mounting groove, the sensor body 210 can be mounted in the mounting groove, and the sensor body 210 can be connected with the optical fiber body 100 in the sensor base 220.

The sensor base 220 has a first insertion hole into which the optical fiber body 100 is inserted, and the first insertion hole corresponds to the mounting groove, so that the optical fiber body 100 interacts with the sensor body 210.

Referring to fig. 1 and 2, in an alternative of the present embodiment, an outer wall of the sensor base 220 is provided with an expansion member 221 for expanding the flexible sheath 300 so that the flexible sheath 300 is tightly fitted over the sensor base 220.

Specifically, the expansion piece 221 is disposed on the outer wall of the sensor base 220, and when the sensor base 220 is inserted into the flexible casing 300, the expansion piece 221 can expand the flexible casing 300, so as to improve the friction between the flexible casing 300 and the sensor base 220, and prevent the flexible casing 300 and the sensor base 220 from falling off.

Wherein, the expanding piece 221 adopts a reducing sleeve, and the outer diameter of the longitudinal section of the reducing sleeve gradually increases from one end far away from the mounting groove to the other end.

Referring to fig. 1 and 2, in an alternative of the present embodiment, the fixing base 400 includes an expansion coupling base 410 for coupling with the flexible outer sheath 300 and a fixing coupling base 420 for coupling with the fixing cap 500; a second limit outer edge 430 capable of abutting against the flexible jacket 300 is provided between the expansion joint base 410 and the fixed joint base 420.

Wherein the longitudinal section of the expansion joint seat 410 is gradually increased from one end far from the expansion joint seat 410 to the other end.

Specifically, the expansion joint 410 is inserted into the flexible outer sleeve 300, and the expansion joint 410 can expand the flexible outer sleeve 300, so that friction between the flexible outer sleeve 300 and the expansion joint 410 is increased, and the flexible outer sleeve 300 and the expansion joint 410 are prevented from falling off.

It should be noted that a stepped hole adapted to the protective inner tube 110 is provided at the bottom of the expansion joint seat 410.

In an alternative of this embodiment, the outer wall of the fixed connection seat 420 is provided with external threads for connection with the fixing cap 500.

Specifically, the fixing connection seat 420 and the fixing cap 500 may be connected by screw threads, so that the worker can operate the fixing connection seat.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced with equivalents; such modifications and substitutions do not depart from the spirit of the technical solutions according to the embodiments of the present utility model.

Claims (10)

1. An optical fiber sensor, comprising: the optical fiber sensor comprises an optical fiber body (100), a sensor assembly (200), a flexible outer sleeve (300), a fixed seat (400) and a fixed cap (500);

the optical fiber body (100) is inserted into the flexible jacket (300);

one end of the flexible jacket (300) is inserted with the sensor component (200), the other end of the flexible jacket is inserted with the fixed seat (400), and the fixed cap (500) is detachably arranged on the fixed seat (400);

the fixing seat (400) and the fixing cap (500) are respectively provided with a through hole for the optical fiber to pass through.

2. The optical fiber sensor according to claim 1, wherein the optical fiber body (100) is sleeved with a protective inner tube (110).

3. The fiber optic sensor of claim 1, wherein the sensor assembly (200) comprises a sensor body (210) and a sensor mount (220);

the sensor base (220) is provided with a mounting groove for mounting the sensor body (210), and the optical fiber body (100) is connected with the sensor body (210);

the sensor base (220) is provided with a first limiting outer edge (230) which is abutted with the flexible jacket (300).

4. A fibre-optic sensor according to claim 3, wherein the sensor base (220) has a first receptacle for insertion of the fibre-optic body (100) therein, and wherein the first receptacle corresponds to the mounting slot for interaction of the fibre-optic body (100) with the sensor body (210).

5. The fiber optic sensor of claim 4, wherein an outer wall of the sensor base (220) is provided with an expansion member (221) for expanding the flexible jacket (300) such that the flexible jacket (300) fits tightly over the sensor base (220).

6. The optical fiber sensor according to claim 5, wherein the expansion member (221) employs a reducing bush, and an outer diameter of a longitudinal section of the reducing bush gradually increases from one end away from the mounting groove to the other end.

7. The fiber optic sensor of claim 1, wherein the holder (400) comprises an expansion connection (410) for connection with the flexible jacket (300) and a fixation connection (420) for connection with the fixation cap (500);

a second limiting outer edge (430) which can be abutted with the flexible jacket (300) is arranged between the expansion connecting seat (410) and the fixed connecting seat (420).

8. The fiber optic sensor of claim 7, wherein the expansion joint base (410) increases in longitudinal section from one end away from the expansion joint base (410) to the other end.

9. The fiber optic sensor of claim 7, wherein the outer wall of the stationary connection base (420) is provided with external threads for connection with the stationary cap (500).

10. The fiber optic sensor of any of claims 1-9, wherein the flexible jacket (300) is silicone tubing.

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