CN213274634U - Protection device for optical fiber temperature measurement sensor of unit stator - Google Patents

Protection device for optical fiber temperature measurement sensor of unit stator Download PDF

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Publication number
CN213274634U
CN213274634U CN202022179886.4U CN202022179886U CN213274634U CN 213274634 U CN213274634 U CN 213274634U CN 202022179886 U CN202022179886 U CN 202022179886U CN 213274634 U CN213274634 U CN 213274634U
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insulating protective
tube
optical fiber
flexible
protection
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CN202022179886.4U
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Chinese (zh)
Inventor
王超
刘兴胜
冯绍彬
邱崇俊
兰宇
张晗
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Huaneng Lancang River Hydropower Co Ltd
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Huaneng Lancang River Hydropower Co Ltd
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Abstract

The utility model discloses a unit stator optic fibre temperature sensor protection device aims at solving the technical problem that stator optic fibre temperature sensor protected improper, easily received the damage. It includes: insulating protective sheath, flexible insulating protection tube and mouth of pipe fastening part, the entry cover of insulating protective sheath is in optic fibre temperature sensor's lead wire optical cable department of being qualified for the next round of competitions, and mouth of pipe fastening part fixed connection is passed through with the one end of flexible insulating protection tube in the export of insulating protective sheath, and lead wire optical cable inserts in the flexible insulating protection tube from the export of insulating protective sheath. The utility model discloses the device simple structure, the cost is lower, simple to operate can effectively protect optic fibre temperature sensor and lead wire optical cable in installation and use.

Description

Protection device for optical fiber temperature measurement sensor of unit stator
Technical Field
The utility model relates to a unit stator optic fibre temperature measurement sensor protection device belongs to unit stator temperature monitoring technical field.
Background
As is known, the temperature monitoring of the stator of the unit is one of the important parameters for monitoring the safe operation of the unit. The optical fiber sensor is widely applied to the fields of large-scale structural engineering, transformer switch cabinet safety monitoring and the like as a novel sensor, has good insulating property, does not need characteristics such as grounding shielding, electromagnetic interference resistance and the like, and also has unique application advantages in the unit monitoring field.
The general processes of the stator installation process are multiple, and cross construction is needed, so that an optical fiber sensor used for measuring the temperature of the stator is easy to damage in the construction process, in addition, a large wind swing exists in the operation process of a unit, the operation environment of the optical fiber sensor is relatively severe, the service life of the optical fiber sensor can be shortened due to long-term wind swing, and even the outgoing optical fiber of the optical fiber sensor is subjected to fatigue fracture, so that the optical fiber sensor cannot normally transmit data, the loss of monitoring data is caused, and the safety evaluation of the operation state of the unit is directly influenced.
Because the inside construction space of unit is narrow and small, can only maintain in the shutdown state, in case optical fiber sensor damages, hardly carry out fault location and restoration, need invest great manpower and time, will cause huge economic loss certainly. In order to improve the safety of the optical fiber sensor and to prolong the service life of the optical fiber, a reliable protection device needs to be installed on the optical fiber sensor.
Disclosure of Invention
In order to solve the problem that unit stator optic fibre temperature sensor among the prior art protected improper, easily receive the damage, the utility model provides a unit stator optic fibre temperature sensor protection device is got up optic fibre protection with optic fibre temperature sensor and sensor outgoing line through protective sheath and protection tube to fix optic fibre on the stator walks line support member, avoid optic fibre to rock, realize safe, reliable optic fibre sensor protect function.
In order to solve the technical problem, the utility model discloses a following technical means:
the utility model provides a unit stator optic fibre temperature sensor protection device, including insulating protective sheath, flexible insulating protection tube and mouth of pipe fastening part, the entry cover of insulating protective sheath is in optic fibre temperature sensor's lead wire optical cable outgoing line department, and optic fibre temperature sensor's one end and lead wire optical cable are wrapped up in insulating protective sheath, and insulating protective sheath's export and the one end of flexible insulating protection tube pass through mouth of pipe fastening part fixed connection, and lead wire optical cable inserts in flexible insulating protection tube from insulating protective sheath's export;
the two ends of the pipe orifice fastening component are respectively provided with two clamping components with the same structure, the outlet of the insulating protective sleeve and one end of the flexible insulating protective pipe are respectively provided with a clamping groove with the same size as the clamping components, the clamping components at the two ends of the pipe orifice fastening component are respectively inserted into the clamping groove of the outlet of the insulating protective sleeve and the clamping groove at one end of the flexible insulating protective pipe, and the insulating protective sleeve is fixedly connected with the flexible insulating protective pipe.
Furthermore, the insulating protective sleeve is conical, a horn mouth is adopted at the inlet of the insulating protective sleeve, and the size of the horn mouth is consistent with the size of the cross section of the optical fiber temperature measuring sensor; and an outlet of the insulating protective sleeve is provided with two wire outlet holes, and the diameter of each wire outlet hole is consistent with that of the single-core optical cable.
Furthermore, the two ends of the flexible insulating protection tube are provided with opening and closing seams for leading optical cables to pass through, and the tube side wall of the flexible insulating protection tube is provided with a plurality of openings along the direction of the tube side wall.
Further, the flexible insulation protection pipe is made of nylon, resin or an insulation composite material which does not contain metal.
Furthermore, one or more tightening pieces are arranged on the side wall of the flexible insulation protection tube, and the tightening pieces fix the flexible insulation protection tube on the stator wiring support rod.
Furthermore, the pipe orifice fastening component adopts an insulating flexible hose, a tightening piece is installed at the clamping component of the pipe orifice fastening component, and the clamping component is fixed in the clamping groove after the tightening piece is tightened.
Furthermore, a telescopic fixing belt is installed at one end of the pipe orifice fastening part, and the movable end of the telescopic fixing belt is bound on the stator wiring support rod piece.
The following advantages can be obtained by adopting the technical means:
the utility model provides a unit stator optic fibre temperature sensor protection device, get up optic fibre temperature sensor and lead wire optical cable protection at the outside insulating protective sheath of sensor body and sensor lead wire optical cable and protection through closely laminating, ensure that sensor and its lead wire optical cable are not because of the environment is abominable in the work progress, factor such as cross construction suffers destruction, furthermore, tighten up protective sheath and protection tube through mouth of pipe fastener, avoid protective sheath and protection tube to break away from, rethread tightens up piece and scalable fixed band, fix whole protection device together with the sensor lead wire optical cable in the device on the stator walks line support member, ensure that sensor and lead wire optical cable can not lead to fatigue fracture because of long-term along with the wind swing at unit operation in-process.
The utility model discloses the device simple structure, the cost is lower, simple to operate can effectively protect optic fibre temperature sensor and lead wire optical cable in installation and use, reliability and unit security of the monitoring of guarantee unit important data.
Drawings
Fig. 1 is the utility model discloses a unit stator optic fibre temperature sensor protection device's schematic structure diagram.
Fig. 2 is the utility model discloses unit stator optic fibre temperature sensor protection device's detail sketch map.
Fig. 3 is a schematic structural view of an insulating protective sheath according to an embodiment of the present invention.
Fig. 4 is a schematic structural view of a flexible insulation protection tube according to an embodiment of the present invention.
Fig. 5 is a schematic cross-sectional view of a pipe orifice fastening member according to an embodiment of the present invention.
In the figure, 1 is an insulating protective sleeve, 2 is a flexible insulating protective tube, 3 is a pipe orifice fastening component, 4 is a unit stator, 5 is an optical fiber temperature measuring sensor, 6 is a lead optical cable, 7 is a clamping component, 8 is a tightening component, 9 is a telescopic fixing band, 10 is a stator wiring supporting rod, 11 is a clamping component, 12 is a clamping groove, 13 is a horn mouth, and 14 is an outlet hole.
Detailed Description
The technical scheme of the utility model is further explained by combining the attached drawings as follows:
the utility model provides a unit stator optic fibre temperature sensor protection device, as shown in figure 1, 2, protection device mainly includes insulating protective sheath 1, flexible insulating protection pipe 2 and mouth of pipe fastening part 3, optic fibre temperature sensor 5 installs behind the measuring position of unit stator 4, and the entry cover of insulating protective sheath is in optic fibre temperature sensor's lead wire optical cable 6 department of being qualified for the next round of competitions, wraps up optic fibre temperature sensor's one end and lead wire optical cable, can protect sensor optical cable department of being qualified for the next round of competitions not influenced by the wind pendulum when the unit moves; the outlet of the insulating protective sleeve is fixedly connected with one end of the flexible insulating protective tube through the tube opening fastening part, and the lead optical cable is connected into the flexible insulating protective tube from the outlet of the insulating protective sleeve and is protected by the flexible insulating protective tube.
As shown in fig. 3 and 4, two ends of the pipe orifice fastening component are respectively provided with two engaging components 11 having the same structure, the outlet of the insulating protective sleeve and one end of the flexible insulating protective pipe are respectively provided with a slot 12 having the same size as the engaging components, and the engaging components at the two ends of the pipe orifice fastening component can be respectively inserted into the slot at the outlet of the insulating protective sleeve and the slot at one end of the flexible insulating protective pipe to fix the insulating protective sleeve and the flexible insulating protective pipe.
Fig. 5 is a schematic cross-sectional view of a pipe orifice fastening component in an embodiment of the present invention, since the cross-sections of the insulating protection sleeve and the flexible insulating protection tube are generally circular, when the outer surface of the pipe orifice fastening component is rectangular, the cross-section of the fastening component should be circular, so that the fastening groove of the insulating protection sleeve and the flexible insulating protection tube can be better attached. In addition to the structure shown in fig. 3, the slot and the engaging member may be saw-toothed or have other shapes that can perform an engaging function.
As shown in fig. 3, the insulating protective sleeve in the embodiment of the present invention is tapered, and the insulation grade reaches F grade. The entrance of the insulating protective sleeve adopts a horn mouth 13, the size of the horn mouth is consistent with the size of the cross section of the optical fiber temperature sensor, the horn mouth can be designed with a binding belt, when in use, the end of the outgoing line of the optical fiber temperature sensor is sleeved in the horn mouth, then the binding belt is fastened, and the insulating protective sleeve is fixed on the sensor; in addition, in order to further avoid the insulating protective sleeve to drop from optic fibre temperature sensor, can also glue at horn mouth inside pouring, bond insulating protective sleeve and sensor body as an organic whole. The export of insulating protective sheath is equipped with two wire holes 14, and the diameter of wire hole is unanimous with the diameter of single core optical cable, and two single core optical cables of lead wire optical cable pass through insulating protective sheath from two wire holes respectively, and the position of lead wire optical cable can be fixed to a certain extent to the wire hole, avoids lead wire optical cable winding, distortion, rocks.
The embodiment of the utility model provides a flexible insulation protection tube insulation level can reach F level, and it adopts nylon, resin or the preparation such as insulating composite that do not contain the metal to form, has certain elasticity. The both ends at flexible insulating protection tube are equipped with the seam that opens and shuts that supplies the lead wire optical cable to pass through, and the seam that opens and shuts is in the closure state under the condition of not using, and during the use, the accessible struts the instrument and struts the seam that opens and shuts, then puts into flexible insulating protection tube with the lead wire optical cable of sensor, and flexible insulating protection tube can automatic draw in because self elasticity after taking away and strut the instrument, wraps up lead wire optical cable closely.
In unit stator work progress, the staff can step on or extrude the flexible insulating protection tube of parcel lead wire optical cable by accident, in order to avoid the inside optical cable of pressure effect damage protection tube, is equipped with a plurality of openings along the pipe lateral wall direction on the pipe lateral wall of flexible insulating protection tube, receives pressure when the protection tube surface, and partial pressure can be released through opening and shutting to the opening, protects inside optical cable.
The utility model discloses mouth of pipe fastening part among the device adopts the insulating flexible hose of polyimide class, so mouth of pipe fastening part has certain plasticity. In order to avoid the clamping part of the pipe orifice fastening part to fall off from the clamping groove, the fastening part 8 is further installed at the clamping part, the fastening part can be fixed in the clamping groove after being tightened, the fastening part can adopt a banded structure convenient to bind, such as a glass fiber band, or adopt a structure with a buckle, and the operation of the buckle structure can be more convenient and faster.
Because the unit operation in-process can produce great wind and swing, in order to avoid optic fibre temperature sensor's optical cable and protection device to swing along with the wind together, the utility model discloses the device has still designed binding structure, and is concrete, installs scalable fixed band 9 in mouth of pipe fastener's one end, can see out from figure 2, the one end of scalable fixed band is fixed on mouth of pipe fastener, and the expansion end of scalable fixed band is wavy, walk around the stator with the expansion end of scalable fixed band and walk behind line support member 10, just can play the fixed action with the gap card of the wave of expansion end together, if worry drops, can several gaps of multiclip. In addition, one or more tightening pieces are arranged on the side wall of the flexible insulating protection pipe, and the tightening pieces can fix the flexible insulating protection pipe on the stator wiring support rod.
The utility model discloses protection device's installation operation as follows: the method comprises the steps of sleeving one end of a lead cable outgoing line of an optical fiber temperature measuring sensor in an insulating protective sleeve, sleeving an opening of the common insulating protective sleeve into a sensor body by about 5mm, enabling the lead cable of the optical fiber temperature measuring sensor to penetrate out of an outlet of the insulating protective sleeve, utilizing a tool to open an opening seam of a flexible insulating protective tube, sleeving the flexible insulating protective tube into a position 3-5 mm away from an outlet end of the insulating protective sleeve, placing the lead cable into the flexible insulating protective tube, and taking away the tool after the lead cable completely passes through the flexible insulating protective tube to enable the opening seam of the flexible insulating protective tube to be naturally. The protective device comprises a stator, a flexible insulating protection tube, a clamping part, a telescopic fixing band, a flexible insulating protection tube, a protective device and a lead optical cable, wherein the stator is provided with a stator wire support rod, the stator wire support rod is arranged on the stator wire support rod, the stator wire support rod is provided with a clamping groove, the clamping groove is formed in the insulating protection tube, the pipe orifice fastening part is sleeved at the joint of the insulating protection tube and the flexible insulating protection tube, the clamping part is pressed into the clamping groove, then the tightening part is tightened. After the protection device is installed, the insulation hardening glue can be coated outside the whole device and hardened to ensure that the protection device has better protection and fixing functions.
The utility model discloses stator optic fibre temperature measurement sensor protection device can be complete, effectual protection optic fibre temperature measurement sensor's weak part, avoids sensor, the optic fibre damage of construction link and machine operation in-process, ensures optic fibre temperature measurement sensor's long-term reliable operation. The utility model discloses the simple structure of device, the cost is lower, and simple to operate is suitable for and uses widely.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be considered as the protection scope of the present invention.

Claims (7)

1. The protection device for the optical fiber temperature measurement sensor of the unit stator is characterized by comprising an insulating protection sleeve, a flexible insulating protection tube and a tube opening fastening component, wherein an inlet of the insulating protection sleeve is sleeved at a lead cable outlet of the optical fiber temperature measurement sensor, one end of the optical fiber temperature measurement sensor and the lead cable are wrapped in the insulating protection sleeve, an outlet of the insulating protection sleeve is fixedly connected with one end of the flexible insulating protection tube through the tube opening fastening component, and the lead cable is connected into the flexible insulating protection tube from an outlet of the insulating protection sleeve;
the two ends of the pipe orifice fastening component are respectively provided with two clamping components with the same structure, the outlet of the insulating protective sleeve and one end of the flexible insulating protective pipe are respectively provided with a clamping groove with the same size as the clamping components, the clamping components at the two ends of the pipe orifice fastening component are respectively inserted into the clamping groove of the outlet of the insulating protective sleeve and the clamping groove at one end of the flexible insulating protective pipe, and the insulating protective sleeve is fixedly connected with the flexible insulating protective pipe.
2. The protection device for the optical fiber temperature measurement sensor of the unit stator according to claim 1, wherein the insulating protective sleeve is conical, a bell mouth is adopted at an inlet of the insulating protective sleeve, and the size of the bell mouth is consistent with the size of the cross section of the optical fiber temperature measurement sensor; and an outlet of the insulating protective sleeve is provided with two wire outlet holes, and the diameter of each wire outlet hole is consistent with that of the single-core optical cable.
3. The protection device for a unit stator optical fiber temperature measurement sensor according to claim 1, wherein the flexible insulation protection tube has open-close seams at two ends thereof for passing the lead cable, and the tube side wall of the flexible insulation protection tube has a plurality of openings along the direction of the tube side wall.
4. The protection device for the optical fiber temperature sensor of the unit stator as claimed in claim 3, wherein the flexible insulation protection tube is made of metal-free nylon, resin or insulation composite material.
5. The protection device for a unit stator optical fiber temperature sensor according to claim 3, wherein one or more tightening members are disposed on the tube side wall of the flexible insulation protection tube, and the tightening members fix the flexible insulation protection tube on the stator routing support rod.
6. The protection device for the optical fiber temperature measuring sensor of the unit stator as claimed in claim 1, wherein the tube orifice fastening component is an insulated flexible hose, a tightening member is installed at the fastening component of the tube orifice fastening component, and the fastening component is fixed in the clamping groove after the tightening member is tightened.
7. The protection device for the optical fiber temperature measuring sensor of the unit stator as claimed in claim 1, wherein a retractable fixing band is installed at one end of the tube opening fastening component, and the movable end of the retractable fixing band is bound to the stator routing support rod.
CN202022179886.4U 2020-09-29 2020-09-29 Protection device for optical fiber temperature measurement sensor of unit stator Active CN213274634U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202022179886.4U CN213274634U (en) 2020-09-29 2020-09-29 Protection device for optical fiber temperature measurement sensor of unit stator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202022179886.4U CN213274634U (en) 2020-09-29 2020-09-29 Protection device for optical fiber temperature measurement sensor of unit stator

Publications (1)

Publication Number Publication Date
CN213274634U true CN213274634U (en) 2021-05-25

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CN202022179886.4U Active CN213274634U (en) 2020-09-29 2020-09-29 Protection device for optical fiber temperature measurement sensor of unit stator

Country Status (1)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114851412A (en) * 2022-07-06 2022-08-05 苏州和研精密科技有限公司 Non-contact height-measuring scribing machine

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114851412A (en) * 2022-07-06 2022-08-05 苏州和研精密科技有限公司 Non-contact height-measuring scribing machine
CN114851412B (en) * 2022-07-06 2022-10-14 苏州和研精密科技有限公司 Non-contact height-measuring scribing machine

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