CN220602755U - Explosion-proof type humiture fiber bragg grating sensor device - Google Patents
Explosion-proof type humiture fiber bragg grating sensor device Download PDFInfo
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- CN220602755U CN220602755U CN202322312512.9U CN202322312512U CN220602755U CN 220602755 U CN220602755 U CN 220602755U CN 202322312512 U CN202322312512 U CN 202322312512U CN 220602755 U CN220602755 U CN 220602755U
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- explosion
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- grating sensor
- temperature
- proof box
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- 239000000835 fiber Substances 0.000 title claims abstract description 46
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 10
- 229910052802 copper Inorganic materials 0.000 claims description 10
- 239000010949 copper Substances 0.000 claims description 10
- 229910001335 Galvanized steel Inorganic materials 0.000 claims description 7
- 239000008397 galvanized steel Substances 0.000 claims description 7
- 238000004880 explosion Methods 0.000 claims description 5
- 239000002360 explosive Substances 0.000 abstract description 6
- 206010063385 Intellectualisation Diseases 0.000 abstract description 5
- 238000012544 monitoring process Methods 0.000 abstract description 5
- 230000002708 enhancing effect Effects 0.000 abstract 1
- 239000013307 optical fiber Substances 0.000 description 9
- 239000000463 material Substances 0.000 description 4
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- 229920006351 engineering plastic Polymers 0.000 description 2
- 239000003208 petroleum Substances 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 241000826860 Trapezium Species 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001256 stainless steel alloy Inorganic materials 0.000 description 1
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- Fire-Detection Mechanisms (AREA)
Abstract
The utility model discloses an explosion-proof type temperature and humidity fiber grating sensor device, which comprises an explosion-proof box, wherein connecting holes are respectively formed at two ends of one side surface of the explosion-proof box, a temperature and humidity fiber grating sensor is movably connected between the two connecting holes, and tail fibers of the temperature and humidity fiber grating sensor enter the inside of the explosion-proof box through the connecting holes; the top of explosion-proof box is provided with the mounting hole, the mounting hole is connected with explosion-proof connecting piece. The utility model can carry out temperature and humidity monitoring under the passive condition, namely without external power supply, thereby enhancing the safety performance and the protection capability of the interior of the building containing explosive dangerous objects; the temperature and humidity fiber grating sensor is not close to the wall surface, the middle is isolated by an explosion-proof box, and compared with the wall surface, the explosion-proof box has less influence on the data acquisition accuracy; meanwhile, the control performance is superior, the safety performance is good, the practicability is high, and the building intellectualization is facilitated.
Description
Technical Field
The utility model relates to the field of building intellectualization, in particular to an explosion-proof temperature and humidity fiber bragg grating sensor device.
Background
The traditional optical fiber sensor itself adopts optical fibers as raw materials to sense and monitor external environment parameters, and is mainly applied to places such as petroleum transmission, petroleum storage, equipment lines along the subway, bridge stability monitoring and the like. In order to realize the fiber bragg grating sensing, the fiber bragg grating sensing needs to be exposed to the air so as to be in direct contact with parameters to be monitored, such as humidity in the air, temperature of equipment lines and the like. The prior optical fiber sensor has the following defects in the use process: 1. the self shell is made of stainless steel or aluminum alloy, is easy to conduct electricity and is easy to draw lightning indoors in thunderstorm weather; 2. the existing structural material of the fiber bragg grating can not meet the explosion-proof requirement under the occasion containing explosive dangerous objects, and if the protection capability is insufficient, potential safety hazards exist. 3. Most of the external circuits of the existing sensor are directly exposed outside without protective measures, so that false touch or damage is easy to occur, the practicability is poor, and meanwhile, if the sensor is placed inside the explosion-proof box, the sensor cannot perform induction.
Disclosure of Invention
In order to solve the problems, the utility model provides an explosion-proof temperature and humidity fiber bragg grating sensor device; the temperature and humidity monitoring can be performed under the passive condition that no external power is supplied, and the safety performance and the protection capability of the building interior containing explosive dangerous objects are enhanced. The temperature and humidity fiber grating sensor is not close to the wall surface, and meanwhile, the control performance is excellent, the safety performance is good, the practicability is high, and the building intellectualization is facilitated.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: the explosion-proof type temperature and humidity fiber grating sensor device comprises an explosion-proof box, wherein connecting holes are respectively formed in two ends of one side face of the explosion-proof box, a temperature and humidity fiber grating sensor is movably connected between the two connecting holes, and tail fibers of the temperature and humidity fiber grating sensor enter the explosion-proof box through the connecting holes; the top of explosion-proof box is provided with the mounting hole, the mounting hole is connected with explosion-proof connecting piece.
As a preferred technical scheme of the utility model: the explosion-proof connecting piece comprises a flange joint connected with the mounting hole, and the flange joint is connected with one end of the explosion-proof copper external wire connecting piece.
As a preferred technical scheme of the utility model: the other end of the explosion-proof copper external wire connecting piece is connected with the explosion-proof tee joint.
As a preferred technical scheme of the utility model: the explosion-proof tee joint is connected with the galvanized steel pipe.
As a preferred technical scheme of the utility model: the explosion-proof box is square.
The utility model has the following beneficial effects:
1. the temperature and humidity fiber grating sensor can perform temperature and humidity monitoring under the passive condition that no external power is supplied, so that the safety performance and the protection capability of the building interior containing explosive dangerous objects are enhanced.
2. The temperature and humidity fiber grating sensor is not close to the wall surface, the middle is isolated by the explosion-proof box, and the influence of the explosion-proof box material on the acquisition accuracy of data is smaller than that of the wall body material. Meanwhile, the control performance is superior, the safety performance is good, the practicability is high, and the building intellectualization is facilitated.
3. Redundant pigtails and optical fibers of the temperature and humidity fiber bragg grating sensor are placed in the explosion-proof box, so that the explosion-proof box can be better protected, the space in the explosion-proof box is larger, the optical fibers and the pigtails can be reserved for a longer time, the later overhaul is facilitated, and the practicability is improved.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a front view of FIG. 1;
FIG. 3 is a top view of FIG. 1 (galvanized pipe);
FIG. 4 is a side view of FIG. 1;
in fig. 1-4, 1, an explosion-proof box; 2. a connection hole; 3. a temperature and humidity fiber grating sensor; 4. mounting holes, 5, explosion-proof copper external wire connecting pieces; 6. galvanized steel pipe; 7. an explosion-proof tee joint; 8. and (3) a flange joint.
Detailed Description
The present utility model will be described in further detail with reference to examples in order to make the objects and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
As shown in fig. 1-4, the embodiment of the utility model provides an explosion-proof type temperature and humidity fiber grating sensor 3 device, which comprises an explosion-proof box 1, wherein the explosion-proof box 1 is made of engineering plastics, aluminum alloy, cast iron and other materials, preferably engineering plastics, and one side surface of the explosion-proof box 1 is movably connected by a screw, so that the internal overhaul is facilitated. The two ends of one side face of the explosion-proof box 1 are respectively provided with the connecting holes 2, a temperature and humidity fiber bragg grating sensor 3 is arranged between the two connecting holes 2, the temperature and humidity fiber bragg grating sensor 3 can perform passive temperature and humidity monitoring under the condition that no external power supply exists, and the safety performance and the protection capability of the building interior containing explosive dangerous objects are enhanced. The temperature and humidity fiber grating sensor 3 is movably connected to the outside of the explosion-proof box 1 through screws, and the temperature and humidity fiber grating sensor 3 can also be movably connected to the outside of the explosion-proof box 1 through clamping and the like. The tail fibers at two ends of the temperature and humidity fiber grating sensor 3 enter the explosion-proof box 1 through the connecting holes 2, mounting holes 4 are formed in one face of the explosion-proof box 1, explosion-proof connectors used for being connected with the outside are arranged on the mounting holes 4, and the positions of the mounting holes 4 are mounted on the top or the side face of the explosion-proof box 1 according to actual requirements on site. Compared with the traditional sensor mounting mode, the temperature and humidity fiber grating sensor 3 of the embodiment is not close to the wall surface, the middle is isolated by the explosion-proof box 1, and the explosion-proof box 1 has smaller influence on the data acquisition accuracy compared with the wall body. Meanwhile, the control performance is superior, the safety performance is good, the practicability is high, and the building intellectualization is facilitated.
The explosion-proof connecting piece comprises a flange joint 8 connected with the mounting hole 4, and the flange joint 8 is connected with one end of the explosion-proof copper external wire connecting piece 5. The other end of the explosion-proof copper external wire connecting piece 5 is used for being connected with a galvanized steel pipe 6. The tail fiber and the optical fiber connected with the tail fiber enter the galvanized steel pipe 6 through the inside of the explosion-proof box 1, the flange joint 8 and the explosion-proof copper external wire connecting piece 5, when the tail fiber is applied to the inside of a building containing explosive dangerous objects, explosion-proof connection is provided from the incoming line, outgoing line, part connection and other places of an optical cable line, the space reserved in the tail fiber plays a role in optical fiber laying, and the tail fiber and the part connection have lightning protection and explosion protection effects in cooperation with the grounding on the galvanized steel pipe 6. According to the on-site use condition, the other end of the explosion-proof copper external wire connecting piece 5 is connected with an explosion-proof tee joint 7, and the explosion-proof tee joint 7 is connected with a galvanized steel pipe 6, so that the application range is enlarged. The tail fiber and the optical fiber of the temperature and humidity fiber grating sensor 3 are placed in the explosion-proof box 1, so that the explosion-proof box 1 can be better protected, the space in the explosion-proof box 1 is larger, the optical fiber and the tail fiber can be reserved for a longer time, the subsequent overhaul is convenient, and the practicability is improved.
The whole appearance of explosion-proof box 1 can be designed into shapes such as trapezium, square according to the field operation requirement, and is preferred to be square in this application, and its size is 200 mm 135 mm 100 mm, and flange joint 8's shape is circular, and explosion-proof copper external wire connecting piece 5's diameter is phi 32, and humiture fiber bragg grating sensor 3 passes through M3 screw swing joint in the outside of explosion-proof box 1.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
The foregoing is merely a preferred embodiment of the present utility model and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present utility model, which are intended to be comprehended within the scope of the present utility model.
Claims (5)
1. An explosion-proof type humiture fiber bragg grating sensor device is characterized in that: the anti-explosion device comprises an anti-explosion box (1), wherein connecting holes (2) are respectively formed in two ends of one side surface of the anti-explosion box (1), a temperature and humidity fiber grating sensor (3) is movably connected between the two connecting holes (2), and tail fibers of the temperature and humidity fiber grating sensor (3) enter the anti-explosion box (1) through the connecting holes (2); the top of explosion-proof box (1) is provided with mounting hole (4), mounting hole (4) are connected with explosion-proof connecting piece.
2. The explosion-proof temperature and humidity fiber grating sensor device according to claim 1, wherein: the explosion-proof connecting piece comprises a flange joint (8) connected with the mounting hole (4), and the flange joint (8) is connected with one end of the explosion-proof copper external wire connecting piece (5).
3. The explosion-proof temperature and humidity fiber grating sensor device according to claim 2, wherein: the other end of the explosion-proof copper external wire connecting piece (5) is connected with an explosion-proof tee joint (7).
4. An explosion-proof temperature and humidity fiber grating sensor apparatus according to claim 3, wherein: the explosion-proof tee joint (7) is connected with the galvanized steel pipe (6).
5. The explosion-proof temperature and humidity fiber grating sensor apparatus according to any one of claims 1 to 4, wherein: the explosion-proof box (1) is square.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322312512.9U CN220602755U (en) | 2023-08-28 | 2023-08-28 | Explosion-proof type humiture fiber bragg grating sensor device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322312512.9U CN220602755U (en) | 2023-08-28 | 2023-08-28 | Explosion-proof type humiture fiber bragg grating sensor device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220602755U true CN220602755U (en) | 2024-03-15 |
Family
ID=90182135
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322312512.9U Active CN220602755U (en) | 2023-08-28 | 2023-08-28 | Explosion-proof type humiture fiber bragg grating sensor device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220602755U (en) |
-
2023
- 2023-08-28 CN CN202322312512.9U patent/CN220602755U/en active Active
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