CN211013003U - Fabry-Perot sensor protective housing - Google Patents
Fabry-Perot sensor protective housing Download PDFInfo
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- CN211013003U CN211013003U CN201922010793.6U CN201922010793U CN211013003U CN 211013003 U CN211013003 U CN 211013003U CN 201922010793 U CN201922010793 U CN 201922010793U CN 211013003 U CN211013003 U CN 211013003U
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Abstract
The utility model discloses a Fabry-Perot sensor protection shell, which comprises a shell, wherein the shell consists of a rigid protection layer, a thermal insulation layer and an electrostatic shielding layer; a plurality of groups of triangular supports are fixed on the electrostatic shielding layer through a fixed seat, and the triangular supports are erected on the periphery of the Fabry-Perot sensor body; the triangular support is fixed with the mounting panel on the terminal surface towards the electrostatic shielding layer, be equipped with the elasticity telescopic link perpendicularly between mounting panel and the electrostatic shielding layer. The housing of the Fabry-Perot sensor protection shell is of a multilayer structure, impact resistance, heat insulation and electrostatic shielding are integrated, the protection performance is comprehensive, a triangular support is arranged in the housing and matched with an elastic telescopic rod, the stable structure of the triangular support is maintained through energy absorption buffering of the elastic telescopic rod, an internal Fabry-Perot sensor body is protected from being damaged, and the protection performance is high; the afterbody sets up the sealing washer, completely cuts off fabry-perot sensor body and external environment, avoids medium pollution and destruction, further promotes barrier propterty.
Description
Technical Field
The utility model relates to an optical fiber sensing technical field specifically is a fabry-perot sensor protecting crust.
Background
Optical fiber sensing is one of the important applications of modern optical fiber technology, has the advantages of small volume, simple structure, high sensitivity, strong anti-electromagnetic interference capability, long-distance transmission and the like, and can be used for detecting various physical quantities, such as strain, temperature, pressure, sound field, electric field, vibration, acceleration and the like. The optical fiber Fabry-Perot sensor is one of the sensors, and is widely applied to real-time health detection of large engineering structures such as bridges, balance structures, petroleum pipelines and the like.
Most of existing Fabry-Perot sensors are directly exposed outside, the protection performance is poor, and when the sensors are subjected to external impact or used in a severe environment, the sensors are easily damaged, so that the normal functions of the sensors are affected.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a fabry-perot sensor protecting crust to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
a Fabry-Perot sensor protective shell comprises a shell, wherein the shell consists of a rigid protective layer, a heat insulation layer and an electrostatic shielding layer, the electrostatic shielding layer is located on the innermost side, and the heat insulation layer is located between the rigid protective layer and the electrostatic shielding layer; a plurality of groups of triangular supports are fixed on the electrostatic shielding layer through a fixed seat, and the triangular supports are erected on the periphery of the Fabry-Perot sensor body and are not in contact with the Fabry-Perot sensor body; the triangular support is fixed with the mounting panel on the terminal surface towards the electrostatic shielding layer, be equipped with the elasticity telescopic link perpendicularly between mounting panel and the electrostatic shielding layer.
As a further aspect of the present invention: the rigid protective layer is made of chrome-plated alloy steel.
As a further aspect of the present invention: the heat insulation layer is made of asbestos.
As a further aspect of the present invention: the electrostatic shielding layer is made of enameled wires.
As a further aspect of the present invention: the outside buffering layer that has still wrapped up of Fabry-Perot sensor body, the buffering layer adopts rubber to make.
As a further aspect of the present invention: and a sealing ring is arranged at the joint of the outer shell and the tail part of the Fabry-Perot sensor body.
Compared with the prior art, the beneficial effects of the utility model are that:
the housing of the Fabry-Perot sensor protection shell is of a multilayer structure, impact resistance, heat insulation and electrostatic shielding are integrated, the protection performance is comprehensive, a triangular support is arranged in the housing and matched with an elastic telescopic rod, the stable structure of the triangular support is maintained through energy absorption buffering of the elastic telescopic rod, an internal Fabry-Perot sensor body is protected from being damaged, and the protection performance is high; the afterbody sets up the sealing washer, completely cuts off fabry-perot sensor body and external environment, avoids medium pollution and destruction, further promotes barrier propterty.
Drawings
FIG. 1 is a perspective view of a Fabry-Perot sensor protective housing;
FIG. 2 is a front view of a Fabry-Perot sensor protective shell;
fig. 3 is a rear view of the fabry-perot sensor protective shell.
In the figure: the sensor comprises a shell 1, a triangular support 2, a fixed seat 3, a mounting plate 4, an elastic telescopic rod 5, a buffer layer 6, a signal line 7, an Fabry-Perot sensor body 8, a sealing ring 9, a rigid protective layer 11, a thermal insulation layer 12 and an electrostatic shielding layer 13.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that, if there is a directional indication (such as up, down, left, right, front, and back) in the embodiment of the present invention, it is only used to explain the relative position relationship between the components, the motion situation, etc. in a certain specific posture, and if the specific posture is changed, the directional indication is changed accordingly.
In addition, if a description of "first", "second", etc. is referred to in the present invention, it is used for descriptive purposes only and not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
Example 1
Referring to fig. 1-2, an fabry-perot sensor protection shell comprises a housing 1, wherein the housing 1 is composed of a rigid protection layer 11, a thermal insulation layer 12 and an electrostatic shielding layer 13, the electrostatic shielding layer 13 is located at the innermost side, and the thermal insulation layer 12 is located between the rigid protection layer 11 and the electrostatic shielding layer 13; a plurality of groups of triangular supports 2 are fixed on the electrostatic shielding layer 13 through a fixed seat 3, and the triangular supports 2 are erected on the periphery of the Fabry-Perot sensor body 8 and are not in contact with the Fabry-Perot sensor body 8; an installation plate 4 is fixed on the end face, facing the electrostatic shielding layer 13, of the triangular support 2, and an elastic telescopic rod 5 is vertically arranged between the installation plate 4 and the electrostatic shielding layer 13;
the rigid protective layer 11 is used for protecting the interior of the housing 1 from deformation and damage caused by external impact, and the specific material of the rigid protective layer 11 is not limited, in this embodiment, preferably, the rigid protective layer 11 is made of chrome-plated alloy steel;
the thermal insulation layer 12 can isolate heat transmission to prevent the body 8 of the Fabry-Perot sensor from being damaged by high temperature of open fire, the specific material of the thermal insulation layer 12 is not limited, in the embodiment, the thermal insulation layer 12 is preferably made of asbestos;
the electrostatic shielding layer 13 can prevent interference between an electrical frequency signal and an external electric field, and ensure accuracy of a detection signal, and a specific material of the electrostatic shielding layer 13 is not limited, in this embodiment, preferably, the electrostatic shielding layer 13 is made of an enameled wire;
the triangular support 2 in the shell 1 is erected on the periphery of the Fabry-Perot sensor body 8, and due to good stability, when the shell 1 is impacted externally, the shell 1 is damaged and deformed, and the elastic telescopic rod 5 is used for contracting and absorbing energy, so that the triangular support 2 is ensured to maintain the original structure, and the Fabry-Perot sensor body 8 in the shell is protected from being damaged;
in order to further promote barrier propterty, the outside of Fabry-Perot sensor body 8 has still wrapped up buffer layer 6, buffer layer 6 adopts rubber to make.
The working principle of the embodiment is as follows:
firstly, a shell 1 is sleeved outside a Fabry-Perot sensor body 8, the Fabry-Perot sensor body 8 is located at the center of a triangular support 2, and by utilizing the stability of the triangular support 2, when the shell 1 is impacted externally, even if the shell 1 is damaged and deformed, the elastic telescopic rod 5 contracts to absorb energy, so that the triangular support 2 is ensured to maintain the original structure, and the internal Fabry-Perot sensor body 8 is protected from being damaged; outermost rigidity inoxidizing coating 11 of shell 1 can protect that shell 1 is inside not causing the deformation to damage because of external shock, and middle insulating layer 12 can completely cut off the heat propagation, avoids naked light high temperature to damage fabulous amber sensor body 8, and the electrostatic shielding layer 13 of innermost can prevent the interference of radio frequency signal and outside electric field, guarantees the degree of accuracy of detecting signal.
Example 2
Referring to fig. 3, in order to ensure that the space between the fabry-perot sensor body 8 and the housing 1 is well sealed and prevent external harmful substances from penetrating into the housing 1, thereby contaminating and damaging the fabry-perot sensor body 8, the embodiment is further improved on the basis of embodiment 1, and the improvement is as follows: and a sealing ring 9 is arranged at the joint of the outer shell 1 and the tail part of the Fabry-Perot sensor body 8.
The housing 1 of the Fabry-Perot sensor protection shell is of a multilayer structure, impact resistance, heat insulation and electrostatic shielding are integrated, the protection performance is comprehensive, the triangular support 2 is arranged in the housing 1 and is matched with the elastic telescopic rod 5, the stable structure of the triangular support 2 is maintained through energy absorption and buffering of the elastic telescopic rod 5, an internal Fabry-Perot sensor body 8 is protected from being damaged, and the protection performance is high; the afterbody sets up sealing washer 9, and is isolated enamel amber sensor body 8 and external environment, avoids medium pollution and destruction, further promotes barrier propterty.
The above description is only an example of the present invention, and the common general knowledge of the known specific structures and characteristics of the embodiments is not described herein. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.
Claims (6)
1. An Fabry-Perot sensor protection shell comprises a shell (1), and is characterized in that the shell (1) consists of a rigid protection layer (11), a thermal insulation layer (12) and an electrostatic shielding layer (13), wherein the electrostatic shielding layer (13) is located on the innermost side, and the thermal insulation layer (12) is located between the rigid protection layer (11) and the electrostatic shielding layer (13); a plurality of groups of triangular supports (2) are fixed on the electrostatic shielding layer (13) through fixing seats (3), and the triangular supports (2) are erected on the periphery of the Fabry-Perot sensor body (8) and are not in contact with the Fabry-Perot sensor body (8); the triangular support is characterized in that an installation plate (4) is fixed on the end face, facing the electrostatic shielding layer (13), of the triangular support (2), and an elastic telescopic rod (5) is vertically arranged between the installation plate (4) and the electrostatic shielding layer (13).
2. The Fabry-Perot sensor protective case according to claim 1, characterized in that the rigid protective layer (11) is made of chrome plated alloy steel.
3. The amber sensor protective cover according to claim 1, characterized in that said thermal insulation layer (12) is made of asbestos.
4. The Fabry-Perot sensor shield according to claim 1, characterized in that the electrostatic shielding layer (13) is made of enameled wire.
5. The Fabry-Perot sensor protective shell according to any one of claims 1-4, characterized in that the outer part of the Fabry-Perot sensor body (8) is further wrapped with a buffer layer (6), and the buffer layer (6) is made of rubber.
6. The Fabry-Perot sensor protective shell according to claim 5, characterized in that a sealing ring (9) is arranged at the joint of the outer shell (1) and the tail of the Fabry-Perot sensor body (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922010793.6U CN211013003U (en) | 2019-11-20 | 2019-11-20 | Fabry-Perot sensor protective housing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922010793.6U CN211013003U (en) | 2019-11-20 | 2019-11-20 | Fabry-Perot sensor protective housing |
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| Publication Number | Publication Date |
|---|---|
| CN211013003U true CN211013003U (en) | 2020-07-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922010793.6U Active CN211013003U (en) | 2019-11-20 | 2019-11-20 | Fabry-Perot sensor protective housing |
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| CN (1) | CN211013003U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112097818A (en) * | 2020-09-28 | 2020-12-18 | 中北大学 | Bionic impact-resistant sensor packaging structure and manufacturing method thereof |
| CN114177726A (en) * | 2021-11-04 | 2022-03-15 | 安徽理工大学环境友好材料与职业健康研究院(芜湖) | Single-hydrodynamic smashing-preventing spraying dust-settling device with rotary nozzle |
-
2019
- 2019-11-20 CN CN201922010793.6U patent/CN211013003U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112097818A (en) * | 2020-09-28 | 2020-12-18 | 中北大学 | Bionic impact-resistant sensor packaging structure and manufacturing method thereof |
| CN112097818B (en) * | 2020-09-28 | 2022-03-08 | 中北大学 | Bionic impact-resistant sensor packaging structure and manufacturing method thereof |
| CN114177726A (en) * | 2021-11-04 | 2022-03-15 | 安徽理工大学环境友好材料与职业健康研究院(芜湖) | Single-hydrodynamic smashing-preventing spraying dust-settling device with rotary nozzle |
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