CN112102999A - Optical fiber Fabry-Perot pressure sensing load-bearing detection cable - Google Patents
Optical fiber Fabry-Perot pressure sensing load-bearing detection cable Download PDFInfo
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- CN112102999A CN112102999A CN202010778083.2A CN202010778083A CN112102999A CN 112102999 A CN112102999 A CN 112102999A CN 202010778083 A CN202010778083 A CN 202010778083A CN 112102999 A CN112102999 A CN 112102999A
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- 238000001514 detection method Methods 0.000 title abstract description 33
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 37
- 239000010949 copper Substances 0.000 claims abstract description 15
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- 239000010453 quartz Substances 0.000 claims abstract description 14
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000010410 layer Substances 0.000 claims description 85
- 239000011241 protective layer Substances 0.000 claims description 33
- 230000001681 protective effect Effects 0.000 claims description 30
- 239000000835 fiber Substances 0.000 claims description 12
- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 239000000523 sample Substances 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- 239000003365 glass fiber Substances 0.000 claims description 7
- 230000017105 transposition Effects 0.000 claims 3
- 230000005611 electricity Effects 0.000 claims 2
- 230000000149 penetrating effect Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 22
- 238000009413 insulation Methods 0.000 abstract description 12
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- 238000005259 measurement Methods 0.000 description 4
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- 239000003245 coal Substances 0.000 description 1
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- 230000004048 modification Effects 0.000 description 1
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- 239000003129 oil well Substances 0.000 description 1
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/22—Metal wires or tapes, e.g. made of steel
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/26—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
- G01D5/32—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light
- G01D5/34—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells
- G01D5/353—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells influencing the transmission properties of an optical fibre
- G01D5/35306—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells influencing the transmission properties of an optical fibre using an interferometer arrangement
- G01D5/35309—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells influencing the transmission properties of an optical fibre using an interferometer arrangement using multiple waves interferometer
- G01D5/35312—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells influencing the transmission properties of an optical fibre using an interferometer arrangement using multiple waves interferometer using a Fabry Perot
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L1/00—Measuring force or stress, in general
- G01L1/24—Measuring force or stress, in general by measuring variations of optical properties of material when it is stressed, e.g. by photoelastic stress analysis using infrared, visible light, ultraviolet
- G01L1/242—Measuring force or stress, in general by measuring variations of optical properties of material when it is stressed, e.g. by photoelastic stress analysis using infrared, visible light, ultraviolet the material being an optical fibre
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B11/00—Communication cables or conductors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/1875—Multi-layer sheaths
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
The invention relates to the technical field of load bearing detection cables, and discloses an optical fiber Fabry-Perot pressure sensing load bearing detection cable which comprises a first protection layer, wherein a second protection layer is fixedly arranged on the inner wall of the first protection layer, a shielding layer is fixedly arranged on the inner wall of the second protection layer, a first insulation layer is fixedly arranged on the inner wall of the shielding layer, a soft copper wire stranded cable core is fixedly arranged inside the first insulation layer, a second insulation layer positioned inside the first insulation layer is sleeved outside the soft copper wire stranded cable core, a filling layer is arranged between the first insulation layer and the second insulation layer, the left side of the soft copper wire stranded cable core is electrically connected with a connector, the left side of the connector is electrically connected with an incident optical fiber, a quartz capillary tube is fixedly arranged outside the incident optical fiber cable core, and a copper tube is sleeved outside the quartz capillary tube. The optical fiber Fabry-Perot pressure sensing load-bearing detection cable has better protection effect and anti-interference effect when in use, thereby being more convenient for users to use.
Description
Technical Field
The invention relates to the technical field of load-bearing detection cables, in particular to an optical fiber Fabry-Perot pressure sensing load-bearing detection cable.
Background
The optical fiber Fabry-Perot (F-P) pressure sensor has the advantages of high sensitivity, wide frequency band, strong electromagnetic interference resistance, easy multiplexing and the like, and is widely applied to the fields of national defense, aerospace, aviation, industrial measurement and control, measurement and control and the like, the optical fiber F-P sensor mainly comprises a Fabry-Perot cavity (F-P cavity) with certain cavity length formed by relatively and parallelly placing two reflecting film layers, when a light beam passes through the F-P cavity, multi-beam interference is generated to generate an interference spectrum, when the cavity length of the F-P cavity is changed along with the measured value, the optical path difference between reflected lights is changed to cause the change of the interference spectrum, the change of the cavity length of the interference cavity can be obtained by detecting the interference spectrum and demodulating by using a proper method to obtain the measured pressure change, a load bearing detection cable generally refers to a well measuring cable, the connecting wire is mainly used for logging, perforating, coring and other operations of various oil wells and gas wells, can also be used for water conservancy hydrological measurement, coal field geological exploration, geothermal logging and other aspects, and is used for hanging heavy connection and transmitting measurement data between a ground system and an underground instrument.
The existing load-bearing detection cable has poor stability, poor protection effect and easy interference in use, and is inconvenient in detection, so that the optical fiber Fabry-Perot pressure sensing load-bearing detection cable is provided.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides the optical fiber Fabry-Perot pressure sensing load-bearing detection cable, which has the advantages of good protection effect and the like, and solves the problems that the existing load-bearing detection cable has poor stability and poor protection effect when in use, is easy to interfere when in use, and is inconvenient to detect.
(II) technical scheme
In order to achieve the purpose of good protection effect, the invention provides the following technical scheme: the optical fiber Fabry-Perot pressure sensing load bearing detection cable comprises a first protection layer, wherein a second protection layer is fixedly arranged on the inner wall of the first protection layer, a shielding layer is fixedly arranged on the inner wall of the second protection layer, a first insulation layer is fixedly arranged on the inner wall of the shielding layer, a soft copper wire stranded cable core is fixedly arranged inside the first insulation layer, a second insulation layer located inside the first insulation layer is sleeved outside the soft copper wire stranded cable core, a filling layer is arranged between the first insulation layer and the second insulation layer, the left side of the soft copper wire stranded cable core is electrically connected with a connector, the left side of the connector is electrically connected with incident optical fibers, quartz capillary tubes are fixedly arranged outside the incident optical fibers, copper tubes are sleeved outside the quartz capillary tubes, reflecting optical fibers are fixedly arranged inside the quartz capillary tubes, and air cavities are arranged between the reflecting optical fibers and the incident optical fibers, the fixing base has been cup jointed to the outside of first protective layer, the outside fixed mounting of copper pipe has the protective sheath that extends to the fixing base inside, the right side fixed mounting of protective sheath has the screw thread post that runs through the fixing base and extend to the fixing base right side, the outside threaded connection of screw thread post has the first nut that is located the fixing base right side, the right side fixed mounting of fixing base has cup joints in the outside adapter sleeve of first protective layer, the fixed knot has been cup jointed to the outside of adapter sleeve, the equal fixed mounting in both ends of fixed knot has the connecting block, the back movable mounting of connecting block has two of running through the bolt of connecting block, the outside threaded connection of bolt has the second nut that is located the connecting.
Preferably, the first protective layer is a steel wire armoring layer, and the thickness of the first protective layer is not less than three millimeters.
Preferably, the second protective layer is a steel wire armor layer, and the thickness of the second protective layer is not less than four millimeters.
Preferably, the shielding layer is a braided copper wire belt layer, and the braided copper wire belt layer uniformly covers the inner wall of the second protective layer.
Preferably, the first insulating layer and the second insulating layer are both F46 insulating layers, the thickness of the first insulating layer is not less than one millimeter, and the thickness of the second insulating layer is not less than one-half millimeter.
Preferably, the inside of filling layer is provided with the glass fiber rope, and the glass fiber rope evenly distributed is between first insulating layer and second insulating layer, and the clearance between the glass fiber rope is not more than four millimeters at zero point.
Preferably, the protective sheath is plastic stereoplasm protective sheath, and the thickness of protective sheath is not less than five millimeters, and the protective sheath cup joints in the outside of connector.
Preferably, the left side of the fixed seat is provided with a groove, the groove is matched with the protective sleeve, and the protective sleeve extends into the groove.
Preferably, the number of the threaded columns is four, and the four threaded columns are uniformly distributed on the right side of the protective sleeve.
(III) advantageous effects
Compared with the prior art, the invention provides an optical fiber Fabry-Perot pressure sensing load-bearing detection cable, which has the following beneficial effects:
1. this optic fibre Fabry-Perot pressure sensing holds load exploration cable, all adopt the steel wire armoring through first protective layer and second protective layer, thereby have good stretch-proofing effect, weave the copper ribbon through the shielding layer, it has good anti-electromagnetic interference's effect to weave the copper ribbon, thereby can the outside electromagnetism of effectual reduction and the influence of signal field to this cable, and protect through the protective sheath after the installation, avoid external collision to cause unnecessary influence to connectors etc., the stability after having guaranteed to connect, thereby make this cable when using, protecting effect and anti-jamming effect are better, thereby more convenient to use person uses.
2. According to the optical fiber Fabry-Perot pressure sensing load-bearing detection cable, the optical fiber Fabry-Perot cavity is formed by the incident optical fiber, the quartz capillary tube, the copper tube, the reflecting optical fiber and the air cavity, so that the load-bearing detection cable detects the pressure of the load-bearing detection cable in an optical fiber Fabry-Perot sensing mode, the detection effect is guaranteed, the first protection layer of the copper tube is fixedly connected through the protection sleeve, and the stability in working is guaranteed.
Drawings
FIG. 1 is a schematic structural view of a fiber Fabry-Perot pressure sensing load-bearing probe cable according to the present invention;
FIG. 2 is a cross-sectional view of the first protective layer of the fiber Fabry-Perot pressure sensing load-bearing probing cable of the present invention;
FIG. 3 is an enlarged schematic view of the structure of the optical fiber Fabry-Perot pressure sensing load-bearing detection cable A according to the present invention.
In the figure: the optical fiber cable comprises a first protective layer 1, a second protective layer 2, a shielding layer 3, a first insulating layer 4, a filling layer 5, a second insulating layer 6, a soft copper wire stranded cable core 7, a connector 8, an incident optical fiber 9, a quartz capillary tube 10, a copper tube 11, a reflective optical fiber 12, an air cavity 13, a fixing seat 14, a protective sleeve 15, a threaded column 16, a first nut 17, a connecting sleeve 18, a fixing buckle 19, a connecting block 20, a bolt 21 and a second nut 22.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, the optical fiber Fabry-Perot pressure sensing load-bearing detection cable comprises a first protective layer 1, wherein the first protective layer 1 is a steel wire armor layer, the thickness of the first protective layer 1 is not less than three millimeters, a second protective layer 2 is fixedly installed on the inner wall of the first protective layer 1, the second protective layer 2 is a steel wire armor layer, the thickness of the second protective layer 2 is not less than four millimeters, a shielding layer 3 is fixedly installed on the inner wall of the second protective layer 2, the shielding layer 3 is a braided copper wire tape layer, the braided copper wire tape layer uniformly covers the inner wall of the second protective layer 2, a first insulating layer 4 is fixedly installed on the inner wall of the shielding layer 3, a annealed copper wire stranded cable core 7 is fixedly installed inside the first insulating layer 4, a second insulating layer 6 located inside the first insulating layer 4 is sleeved outside the annealed copper wire stranded cable core 7, and both the first insulating layer 4 and the second insulating layer 6, the thickness of the first insulating layer 4 is not less than one millimeter, the thickness of the second insulating layer 6 is not less than zero five millimeters, a filling layer 5 is arranged between the first insulating layer 4 and the second insulating layer 6, a glass fiber rope is arranged inside the filling layer 5 and evenly distributed between the first insulating layer 4 and the second insulating layer 6, the gap between the glass fiber ropes is not more than zero four millimeters, the left side of the annealed copper wire stranded cable core 7 is electrically connected with a connector 8, the left side of the connector 8 is electrically connected with an incident optical fiber 9, a quartz capillary tube 10 is fixedly installed outside the incident optical fiber 9, a copper tube 11 is sleeved outside the quartz capillary tube 10, a reflection optical fiber 12 is fixedly installed inside the quartz capillary tube 10, an air cavity 13 is arranged between the reflection optical fiber 12 and the incident optical fiber 9, a fixing seat 14 is sleeved outside the first protecting layer 1, and a protecting sleeve 15 extending to the inside the fixing seat 14 is fixedly, the protective sleeve 15 is a plastic hard protective sleeve, the thickness of the protective sleeve 15 is not less than five millimeters, the protective sleeve 15 is sleeved outside the connector 8, the left side of the fixed seat 14 is provided with a groove, the groove is matched with the protective sleeve 15, the protective sleeve 15 extends into the groove, the right side of the protective sleeve 15 is fixedly provided with threaded columns 16 which penetrate through the fixed seat 14 and extend to the right side of the fixed seat 14, the number of the threaded columns 16 is four, the four threaded columns 16 are uniformly distributed on the right side of the protective sleeve 15, the outer threads of the threaded columns 16 are connected with first nuts 17 positioned on the right side of the fixed seat 14, the right side of the fixed seat 14 is fixedly provided with a connecting sleeve 18 sleeved outside the first protective layer 1, the outer part of the connecting sleeve 18 is sleeved with a fixing buckle 19, both ends of the fixing buckle 19 are fixedly, the external thread of the bolt 21 is connected with a second nut 22 positioned on the front surface of the connecting block 20, the optical fiber Fabry-Perot pressure sensing load bearing detection cable adopts steel wire armoring through the first protective layer 1 and the second protective layer 2, so that the optical fiber Fabry-Perot pressure sensing load bearing detection cable has a good anti-stretching effect, a copper wire belt is woven through the shielding layer 3, the woven copper wire belt has a good anti-electromagnetic interference effect, so that the influence of external electromagnetic and signal fields on the cable can be effectively reduced, the optical fiber Fabry-Perot pressure sensing load bearing detection cable is protected through the protective sleeve 15 after installation, unnecessary influence on the connector 8 and the like caused by external collision is avoided, the stability after connection is ensured, so that the protection effect and the anti-interference effect are better when the cable is used, and the use is more convenient for users, and the optical fiber Fabry-Perot pressure sensing load bearing detection cable uses the incident optical fiber 9, the, The copper pipe 11, the reflecting optical fiber 12 and the air cavity 13 form an optical fiber Fabry-Perot cavity, so that the load bearing detection cable detects the pressure of the load bearing detection cable in an optical fiber Fabry-Perot sensing mode, the detection effect is guaranteed, the first protection layer 1 of the copper pipe 11 is fixedly connected through the protection sleeve 15, and the stability in working is guaranteed.
In conclusion, the optical fiber Fabry-Perot pressure sensing load-bearing detection cable has good anti-stretching effect by adopting steel wire armoring through the first protective layer 1 and the second protective layer 2, and has good anti-electromagnetic interference effect by weaving the copper wire belt through the shielding layer 3, so that the influence of external electromagnetic and signal fields on the cable can be effectively reduced, the cable is protected by the protective sleeve 15 after being installed, unnecessary influence on the connector 8 and the like caused by external collision is avoided, the stability after connection is ensured, so that the cable has better protection effect and anti-interference effect when in use, and is more convenient for a user to use, the optical fiber Fabry-Perot pressure sensing load-bearing detection cable is formed by using the incident optical fiber 9, the quartz capillary tube 10, the copper tube 11, the reflecting optical fiber 12 and the air cavity 13, therefore, the load-bearing detection cable detects the pressure thereof in an optical fiber Fabry-Perot sensing mode, the detection effect is guaranteed, the first protection layer 1 of the copper pipe 11 is fixedly connected through the protection sleeve 15, the stability in working is guaranteed, and the problems that the existing load-bearing detection cable is poor in stability and poor in protection effect when used, is easy to interfere in use and is inconvenient to detect are solved.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. Optic fibre Fabry-Perot pressure sensing holds load exploration cable, including first protective layer (1), its characterized in that: the inner wall fixed mounting of first protective layer (1) has second protective layer (2), the inner wall fixed mounting of second protective layer (2) has shielding layer (3), the inner wall fixed mounting of shielding layer (3) has first insulating layer (4), the inside fixed mounting of first insulating layer (4) has annealed copper wire transposition cable core (7), the outside of annealed copper wire transposition cable core (7) has been cup jointed and has been located second insulating layer (6) inside first insulating layer (4), be provided with filling layer (5) between first insulating layer (4) and second insulating layer (6), the left side electricity of annealed copper wire transposition cable core (7) is connected with connector (8), the left side electricity of connector (8) is connected with incident optical fiber (9), the outside fixed mounting of incident optical fiber (9) has quartz capillary (10), copper pipe (11) has been cup jointed to the outside of quartz capillary (10), the optical fiber protection device is characterized in that a reflection optical fiber (12) is fixedly mounted inside the quartz capillary tube (10), an air cavity (13) is arranged between the reflection optical fiber (12) and the incidence optical fiber (9), a fixing seat (14) is sleeved outside the first protection layer (1), a protective sleeve (15) extending to the inside of the fixing seat (14) is fixedly mounted outside the copper tube (11), a threaded column (16) penetrating through the fixing seat (14) and extending to the right side of the fixing seat (14) is fixedly mounted on the right side of the protective sleeve (15), a first nut (17) located on the right side of the fixing seat (14) is connected to the outer thread of the threaded column (16), a connecting sleeve (18) sleeved outside the first protection layer (1) is fixedly mounted on the right side of the fixing seat (14), a fixing buckle (19) is sleeved outside the connecting sleeve (18), and connecting blocks (20) are fixedly mounted at the two, the back movable mounting of connecting block (20) has two bolt (21) that run through connecting block (20), the outside threaded connection of bolt (21) has second nut (22) that are located connecting block (20) openly.
2. The fiber Fabry-Perot pressure sensing load bearing probe cable of claim 1, wherein: the first protection layer (1) is a steel wire armoring layer, and the thickness of the first protection layer (1) is not less than three millimeters.
3. The fiber Fabry-Perot pressure sensing load bearing probe cable of claim 1, wherein: the second protective layer (2) is a steel wire armor layer, and the thickness of the second protective layer (2) is not less than four millimeters.
4. The fiber Fabry-Perot pressure sensing load bearing probe cable of claim 1, wherein: the shielding layer (3) is a braided copper wire belt layer, and the braided copper wire belt layer uniformly covers the inner wall of the second protective layer (2).
5. The fiber Fabry-Perot pressure sensing load bearing probe cable of claim 1, wherein: the first insulating layer (4) and the second insulating layer (6) are both F46 insulating layers, the thickness of the first insulating layer (4) is not less than one millimeter, and the thickness of the second insulating layer (6) is not less than zero five millimeters.
6. The fiber Fabry-Perot pressure sensing load bearing probe cable of claim 1, wherein: the glass fiber ropes are arranged inside the filling layer (5), are uniformly distributed between the first insulating layer (4) and the second insulating layer (6), and gaps among the glass fiber ropes are not larger than zero four millimeters.
7. The fiber Fabry-Perot pressure sensing load bearing probe cable of claim 1, wherein: protective sheath (15) are plastic stereoplasm protective sheath, and the thickness of protective sheath (15) is not less than five millimeters, and protective sheath (15) cup joint in the outside of connector (8).
8. The fiber Fabry-Perot pressure sensing load bearing probe cable of claim 1, wherein: the left side of the fixed seat (14) is provided with a groove, the groove is matched with the protective sleeve (15), and the protective sleeve (15) extends into the groove.
9. The fiber Fabry-Perot pressure sensing load bearing probe cable of claim 1, wherein: the number of the threaded columns (16) is four, and the threaded columns (16) are uniformly distributed on the right side of the protective sleeve (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010778083.2A CN112102999A (en) | 2020-08-05 | 2020-08-05 | Optical fiber Fabry-Perot pressure sensing load-bearing detection cable |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010778083.2A CN112102999A (en) | 2020-08-05 | 2020-08-05 | Optical fiber Fabry-Perot pressure sensing load-bearing detection cable |
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| CN112102999A true CN112102999A (en) | 2020-12-18 |
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| CN202010778083.2A Pending CN112102999A (en) | 2020-08-05 | 2020-08-05 | Optical fiber Fabry-Perot pressure sensing load-bearing detection cable |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117996507A (en) * | 2024-04-05 | 2024-05-07 | 江苏华能电缆股份有限公司 | Load-bearing detection cable |
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| CA1026977A (en) * | 1974-03-20 | 1978-02-28 | Pirelli General Cable Works Limited | Optical fibre communication cable |
| CN102331312A (en) * | 2011-07-25 | 2012-01-25 | 云南电力试验研究院（集团）有限公司电力研究院 | Optical fiber Bragg raster temperature monitoring device for high-voltage power cable intermediate joint |
| CN102374874A (en) * | 2011-09-20 | 2012-03-14 | 重庆大学 | Quartz capillary tube embedded all-silica fiber Fabry-Perot interferometric sensor and manufacturing method thereof |
| CN103048389A (en) * | 2011-10-13 | 2013-04-17 | 中国科学院合肥物质科学研究院 | Double-probe compensation-type fiber acoustic emission sensor |
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Application publication date: 20201218 |