CN208688695U - Bridge capacity rapid evaluation and health monitoring fibre optical sensor welding protective device - Google Patents
Bridge capacity rapid evaluation and health monitoring fibre optical sensor welding protective device Download PDFInfo
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- CN208688695U CN208688695U CN201821588439.0U CN201821588439U CN208688695U CN 208688695 U CN208688695 U CN 208688695U CN 201821588439 U CN201821588439 U CN 201821588439U CN 208688695 U CN208688695 U CN 208688695U
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- Prior art keywords
- bar
- optical sensor
- lock
- fibre optical
- straight
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- 239000000835 fiber Substances 0.000 title claims abstract description 55
- 230000003287 optical effect Effects 0.000 title claims abstract description 50
- 238000003466 welding Methods 0.000 title claims abstract description 31
- 230000001681 protective effect Effects 0.000 title claims abstract description 29
- 238000011156 evaluation Methods 0.000 title claims abstract description 26
- 238000012544 monitoring process Methods 0.000 title claims abstract description 26
- 230000004927 fusion Effects 0.000 claims abstract description 17
- 238000000034 method Methods 0.000 claims description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 5
- 238000011900 installation process Methods 0.000 abstract 1
- 239000013307 optical fiber Substances 0.000 description 7
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 208000033999 Device damage Diseases 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model provides bridge capacity rapid evaluation and health monitoring fibre optical sensor welding protective device, belongs to distributed Brillouin light fiber sensor fusion point protection field.The utility model includes protection straight-bar, waterproof jacket and lock; the protection straight-bar both ends are provided with lock; the junction of straight-bar and lock is provided with waterproof jacket; the both ends of protection straight-bar are provided with internal screw thread; one end of lock is provided with external screw thread and lock is hollow; protection straight-bar and lock are connected through a screw thread, and the outer surface for latching the other end is welded with hex nut.The utility model can be good at so that distributed Brillouin light fiber sensor fusion point is not by pulling force; and can be effectively protected fusion point is not influenced by water; with waterproof action, to ensure that whole distributed Brillouin light fiber sensor can effectively work.The utility model is suitable for load carrying capacity of bridge rapid evaluation and health monitoring systems installation process.
Description
Technical field
The utility model relates to bridge capacity rapid evaluation and the distributed Brillouin light fiber sensors of health monitoring
Welding protective device belongs to fibre optical sensor fusion point protection technique field.
Background technique
During bridge capacity rapid evaluation and health monitoring, for distributed fiberoptic sensor, need to be attached to or
It is embedded at the bottom plate of bridge.Due to field condition limit, one side distributed fiberoptic sensor during stickup or embedment,
It is easy that fibre optical sensor is made to generate larger light loss or fibercuts;On the other hand it needs to disconnect optical fiber at crucial inflection point, the later period
Again by breakpoint welding.Protection for breakpoint can make fusion point weakness will not be again after fused fiber splice using protective device
Damage.As shown in figure 3, former protective case is only to be cased with one layer of protective case on fibre optical sensor, distribution type fiber-optic biography not can guarantee
Sensor fusion point stress and damage again, protective case can not be completely secured completely waterproof in protective case.
Summary of the invention
Purpose of the utility model is to solve the above-mentioned problems of the prior art, and then it is fast to provide bridge capacity
Speed evaluation and health monitoring fibre optical sensor welding protective device.
The purpose of this utility model is achieved through the following technical solutions:
Bridge capacity rapid evaluation and health monitoring fibre optical sensor welding protective device, fibre optical sensor fusion point are protected
Protection unit includes that protection straight-bar, waterproof jacket and lock, the protection straight-bar both ends are provided with lock, the junction of straight-bar and lock
It is provided with waterproof jacket, protects the both ends of straight-bar to be provided with internal screw thread, one end of lock is provided with external screw thread and lock is hollow, guarantor
Shield straight-bar and lock are connected through a screw thread, and the outer surface for latching the other end is welded with hex nut.
The utility model bridge capacity rapid evaluation and health monitoring fibre optical sensor welding protective device, the protection
Straight-bar uses steel pipe.
The utility model bridge capacity rapid evaluation and health monitoring fibre optical sensor welding protective device, the waterproof
Set uses rubber material.
The utility model bridge capacity rapid evaluation and health monitoring fibre optical sensor welding protective device, the protection
Straight-bar is hollow structure and protects the internal diameter of straight-bar greater than the diameter of fibre optical sensor.
The utility model bridge capacity rapid evaluation and health monitoring fibre optical sensor welding protective device, Fibre Optical Sensor
The application method of device fusion connection point protection device are as follows: protection straight-bar, waterproof jacket and lock are inserted in optical fiber before fibre optical sensor welding
Waterproof jacket and lock are inserted in the other end of fibre optical sensor by one end of sensor, anti-by two after fibre optical sensor welding
Water jacket is filled in protection straight-bar, then the lock at both ends is tightened by knob at both ends.
The utility model bridge capacity rapid evaluation and health monitoring fibre optical sensor welding protective device, can be fine
Make fibre optical sensor fusion point not by pulling force, and fusion point can be effectively protected do not influenced by water, there is waterproof
Effect, to ensure that whole fibre optical sensor can effectively work.
Detailed description of the invention
Fig. 1 is the knot of the utility model bridge capacity rapid evaluation and health monitoring fibre optical sensor welding protective device
Structure schematic diagram.
Fig. 2 is that the utility model is mounted on the schematic diagram on optical fiber.
Fig. 3 is the schematic diagram of unprotected distributed fiberoptic sensor after welding.
Appended drawing reference in figure, 1 is protection straight-bar;2 be waterproof jacket;3 be lock;4 be fibre optical sensor original protective case;5
For fibre optical sensor;6 be fibre optical sensor fusion point.
Specific embodiment
Be described in further detail below in conjunction with attached drawing to the utility model: the present embodiment is with the utility model skill
Implemented under premised on art scheme, give detailed embodiment, but the protection scope of the utility model be not limited to it is following
Embodiment.
Embodiment one: as depicted in figs. 1 and 2, bridge capacity rapid evaluation and health monitoring involved in the present embodiment
Fibre optical sensor welding protective device, comprising: protection straight-bar, waterproof jacket and lock, the protection straight-bar both ends are provided with lock,
The junction of straight-bar and lock is provided with waterproof jacket, and the both ends of straight-bar is protected to be provided with internal screw thread, and one end of lock is provided with outer
Screw thread and lock be it is hollow, protect straight-bar and lock to be connected through a screw thread, the outer surface for latching the other end is welded with hex nut.
Two sections of separated distributed fiberoptic sensors can be assembled into after fusing a complete Fibre Optical Sensor by the present apparatus
Then sensor is attached to or is embedded at bridge bottom plate by device, will provide essence to load carrying capacity of bridge rapid evaluation and health monitoring
True ground data.After installing fibre optical sensor fusion connection point protection device, since optical fiber of the device to fusion point both ends is locked,
Therefore can make not by any pulling force or pressure at fusion point, since interface is provided with waterproof jacket and can prevent water
Divide intrusion weld, the hex nut welded after lock can be used spanner and be opened and closed.
Embodiment two: as depicted in figs. 1 and 2, bridge capacity rapid evaluation and health monitoring involved in the present embodiment
Fibre optical sensor welding protective device, the protection straight-bar use steel pipe.
Protection straight-bar can be effectively protected the fusion point of optical fiber using steel pipe and be not under compression, steel pipe also can waterproof, separately
Outer steel pipe materials are convenient, and buying and processing also facilitate.
Embodiment three: as depicted in figs. 1 and 2, bridge capacity rapid evaluation and health monitoring involved in the present embodiment
Fibre optical sensor welding protective device, the waterproof jacket use rubber material.
Waterproof jacket protects the leakproofness between straight-bar and lock in order to prevent, prevents water from entering in straight-bar, plays waterproof
Effect;Rubber materials, buying and it is easy to process, part can be process according to mold, after forming parts be easy assembling and
Later period installs on a sensor.
Example IV: as depicted in figs. 1 and 2, bridge capacity rapid evaluation and health monitoring involved in the present embodiment
Fibre optical sensor welding protective device, the protection straight-bar are hollow structure and the internal diameter of straight-bar are protected to be greater than fibre optical sensor
Diameter.
Straight-bar is protected using hollow structure and the internal diameter of straight-bar is protected to be greater than the diameter of optical fiber, guarantees protection straight-bar energy
Enough cover outside optical fiber.
Embodiment five: as depicted in figs. 1 and 2, bridge capacity rapid evaluation and health monitoring involved in the present embodiment
Fibre optical sensor welding protective device, the application method of fibre optical sensor fusion connection point protection device are as follows: before fibre optical sensor welding
Waterproof jacket and lock are inserted in the another of fibre optical sensor by the one end that straight-bar, waterproof jacket and lock will be protected to be inserted in fibre optical sensor
One end fills in two waterproof jackets in protection straight-bar after fibre optical sensor welding, then the lock at both ends is passed through knob two
It tightens at end.
The preferable specific embodiment of the above, only the utility model, these specific embodiments are all based on this
Different implementations under utility model general idea, and the protection scope of the utility model is not limited thereto, it is any ripe
Know those skilled in the art within the technical scope disclosed by the utility model, any changes or substitutions that can be easily thought of, all
It should cover and be within the protection scope of the utility model.Therefore, the protection scope of the utility model should be with claims
Subject to protection scope.
Claims (5)
1. bridge capacity rapid evaluation and health monitoring fibre optical sensor welding protective device, which is characterized in that bridge bearing
Power rapid evaluation and health monitoring fibre optical sensor welding protective device include protection straight-bar (1), waterproof jacket (2) and latch (3),
Protection straight-bar (1) both ends are provided with lock (3), and straight-bar (1) and the junction for latching (3) are provided with waterproof jacket (2), are protected
The both ends of straight-bar (1) are provided with internal screw thread, and one end of lock (3) is provided with external screw thread and lock (3) is hollow, protection straight-bar
(1) it is connected through a screw thread with lock (3), the outer surface of lock (3) other end is welded with hex nut.
2. bridge capacity rapid evaluation according to claim 1 and health monitoring fibre optical sensor welding protective device,
It is characterized in that, the protection straight-bar (1) uses steel pipe.
3. bridge capacity rapid evaluation according to claim 1 and health monitoring fibre optical sensor welding protective device,
It is characterized in that, the waterproof jacket (2) uses rubber material.
4. bridge capacity rapid evaluation according to claim 1 and health monitoring fibre optical sensor welding protective device,
It is characterized in that, protection straight-bar (1) is hollow structure and protects the internal diameter of straight-bar (1) greater than the diameter of fibre optical sensor.
5. bridge capacity rapid evaluation according to claim 1 and health monitoring fibre optical sensor welding protective device,
It is characterized in that, the application method of fibre optical sensor fusion connection point protection device are as follows: straight-bar will be protected before fibre optical sensor welding
(1), waterproof jacket (2) and lock (3) are inserted in one end of fibre optical sensor, and waterproof jacket (2) and lock (3) are inserted in fibre optical sensor
The other end two waterproof jackets (2) are filled in protection straight-bar (1), then after fibre optical sensor welding by the lock at both ends
(3) it is tightened by knob at both ends.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201821588439.0U CN208688695U (en) | 2018-09-28 | 2018-09-28 | Bridge capacity rapid evaluation and health monitoring fibre optical sensor welding protective device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201821588439.0U CN208688695U (en) | 2018-09-28 | 2018-09-28 | Bridge capacity rapid evaluation and health monitoring fibre optical sensor welding protective device |
Publications (1)
Publication Number | Publication Date |
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CN208688695U true CN208688695U (en) | 2019-04-02 |
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ID=65889707
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201821588439.0U Expired - Fee Related CN208688695U (en) | 2018-09-28 | 2018-09-28 | Bridge capacity rapid evaluation and health monitoring fibre optical sensor welding protective device |
Country Status (1)
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CN (1) | CN208688695U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110737056A (en) * | 2019-09-09 | 2020-01-31 | 法尔胜泓昇集团有限公司 | Composite material intelligent rib leading-out optical fiber and protection structure of welding part thereof and implementation method |
-
2018
- 2018-09-28 CN CN201821588439.0U patent/CN208688695U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110737056A (en) * | 2019-09-09 | 2020-01-31 | 法尔胜泓昇集团有限公司 | Composite material intelligent rib leading-out optical fiber and protection structure of welding part thereof and implementation method |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190402 |
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CF01 | Termination of patent right due to non-payment of annual fee |