CN220625345U - Novel optical fiber probe sensor packaging structure - Google Patents
Novel optical fiber probe sensor packaging structure Download PDFInfo
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- CN220625345U CN220625345U CN202322136387.0U CN202322136387U CN220625345U CN 220625345 U CN220625345 U CN 220625345U CN 202322136387 U CN202322136387 U CN 202322136387U CN 220625345 U CN220625345 U CN 220625345U
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- 239000013307 optical fiber Substances 0.000 title claims abstract description 138
- 239000000523 sample Substances 0.000 title claims abstract description 94
- 238000004806 packaging method and process Methods 0.000 title claims abstract description 27
- 239000002184 metal Substances 0.000 claims abstract description 104
- 238000001802 infusion Methods 0.000 claims abstract description 72
- 239000007788 liquid Substances 0.000 claims abstract description 22
- 239000000835 fiber Substances 0.000 claims description 15
- 238000007789 sealing Methods 0.000 claims description 14
- 238000004026 adhesive bonding Methods 0.000 claims description 6
- 239000011148 porous material Substances 0.000 claims description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000000853 adhesive Substances 0.000 claims description 3
- 230000001070 adhesive effect Effects 0.000 claims description 3
- 238000002788 crimping Methods 0.000 claims description 3
- 239000013078 crystal Substances 0.000 claims description 3
- 238000004021 metal welding Methods 0.000 claims description 3
- 239000004038 photonic crystal Substances 0.000 claims description 3
- 239000010453 quartz Substances 0.000 claims description 3
- 230000005855 radiation Effects 0.000 claims description 3
- 229910052594 sapphire Inorganic materials 0.000 claims description 3
- 239000010980 sapphire Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 abstract description 19
- 238000001514 detection method Methods 0.000 abstract description 8
- 238000009434 installation Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 9
- 238000005259 measurement Methods 0.000 description 4
- 230000002159 abnormal effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 210000001503 joint Anatomy 0.000 description 3
- 230000000149 penetrating effect Effects 0.000 description 3
- 235000012239 silicon dioxide Nutrition 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 230000005514 two-phase flow Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000011010 flushing procedure Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 239000013043 chemical agent Substances 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000009659 non-destructive testing Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000004506 ultrasonic cleaning Methods 0.000 description 1
Abstract
The utility model provides a novel optical fiber probe sensor packaging structure. The packaging structure comprises a sensor jumper connector, an armored optical fiber sheath, an adjusting sleeve and a metal protection tube which are sequentially connected, wherein the adjusting sleeve comprises a first connector and a second connector which are sleeved by threads, the armored optical fiber sheath is fixedly connected to the first connector end of the adjusting sleeve, the metal protection tube is fixedly connected to the second connector end of the adjusting sleeve, a measuring optical fiber connected with the sensor jumper connector is packaged in the armored optical fiber sheath, and a measuring section of the measuring optical fiber sequentially penetrates through the first connector and the second connector and then stretches into the metal protection tube; a metal infusion tube is arranged around the metal protection tube. The utility model is provided with the cleaning pipeline, can realize nondestructive detection of the sensor by observing the change of the reflected light intensity signal when liquid is conveyed, effectively prolongs the service life of the optical fiber probe sensor, reduces the installation risk and is suitable for detection of various projects.
Description
Technical Field
The utility model belongs to the field of optical fiber sensing, and relates to a novel optical fiber probe sensor packaging structure which can realize nondestructive testing and self-cleaning functions of probes.
Background
The real flow characteristics of the two-phase flow can be better understood and explained by researching and developing means for measuring the share of the hollow bubbles in the two-phase flow, wherein the optical fiber probe is a sensor for measuring the gas-liquid two-phase flow state, the sensor can be divided into a conducting area and a detecting area, when the sensor is used, the sensor is in butt joint with any channel of a special probe demodulator, light generated by a light source is transmitted to the probe head through an optical fiber, the light source is injected into air or water through the probe head, the light is reflected and then is transmitted back to the optical fiber probe, and whether the probe head is in the water or the air can be judged according to the intensity of the returned light. The basic raw material optical fiber of the sensor is glass solid fiber drawn by using silicon dioxide as a basic material, and has the advantages of electromagnetic interference resistance, high sensitivity, high precision, small size, light weight, easiness in multiplexing and the like, so that the optical fiber probe sensor can be applied to various fields.
The existing optical fiber probe packaging structure forms comprise single fibers, double fibers, fiber bundles and the like, and can be applied to different projects according to environments. However, during the use process, the surface of the probe is polluted and blocked due to factors such as pollutants, sediment and the like possibly existing in the fluid, so that the measurement result of the probe is inaccurate. Therefore, it is important to perform periodic cleaning and detection on the optical fiber probe, at present, the cleaning method of the optical fiber probe mainly comprises a mechanical cleaning method, a chemical cleaning method, an ultrasonic cleaning method, a gas purging method and other methods, but the methods have certain disadvantages, such as easy damage to the probe during cleaning, certain pollution to the environment due to chemical agents, or inconvenience in carrying corresponding cleaning equipment after installation, etc., meanwhile, the optical fiber probe can be damaged due to various reasons such as excessively high temperature, pressure, mechanical impact and the like during transportation, installation and measurement, and certain limitations exist in judging the damage of the probe by observing the appearance of the probe or observing the change of signals by a measuring sensor.
Disclosure of Invention
In order to solve the problems of inconvenient cleaning and detection of the optical fiber probe sensor in various fields, the utility model provides a novel optical fiber probe sensor packaging structure which can realize nondestructive detection and self-cleaning functions of a probe.
In order to solve the technical problems, the utility model provides a novel optical fiber probe sensor packaging structure, which comprises a sensor jumper connector, an armored optical fiber sheath, an adjusting sleeve and a metal protection tube which are sequentially connected, wherein the adjusting sleeve comprises a first connector and a second connector which are in threaded sleeve connection, the armored optical fiber sheath is fixedly connected to the first connector end of the adjusting sleeve, the metal protection tube is fixedly connected to the second connector end of the adjusting sleeve, one end of the metal protection tube, which is far away from the second connector, is in an open state, a measuring optical fiber connected with the sensor jumper connector is packaged in the armored optical fiber sheath, and a measuring section of the measuring optical fiber sequentially penetrates through the first connector and the second connector and then stretches into the metal protection tube; the metal infusion tube is arranged around the metal protection tube, the metal infusion tube is fixed on the adjusting sleeve, an infusion hole communicated with the metal infusion tube is formed in the adjusting sleeve, when the threaded connection ports of the first connector and the second connector are completely sleeved, the optical fiber probe of the measuring optical fiber is completely arranged in the metal protection tube, the optical fiber probe of the measuring optical fiber stretches out of the metal protection tube in the unscrewed state of the threaded interfaces of the first connector and the second connector, and the liquid outlet hole of the metal infusion tube faces the optical fiber probe stretching out of the metal protection tube.
The utility model has the preferable technical scheme that: the two ends of the first connector are closed, the outer wall of the first connector is provided with a threaded metal steel pipe, a central hole channel matched with an armored optical fiber sheath is arranged in the central position of the first connector, the armored optical fiber sheath is in sealing connection with a measuring section of a measuring optical fiber in the central hole channel, the second connector is of a hollow pipe body structure with one open end and the other closed end, the inner wall of the second connector is provided with an internal thread matched with the outer wall of the first connector, the first connector is in threaded sleeve joint with the open end of the second connector, and a sealing gasket is arranged at the joint; the metal protection pipe is fixedly connected to the second connector, a plurality of metal infusion pipes are arranged around the metal protection pipe, the liquid inlet end of each metal infusion pipe extends into the second connector and is fixedly connected with the second connector, infusion holes matched with the metal infusion pipes in number are arranged around the central pore passage of the first connector, and each infusion hole is coaxial with the corresponding metal infusion pipe.
The utility model has the preferable technical scheme that: the optical fiber adopts any one of quartz optical fiber, radiation-resistant optical fiber, sapphire optical fiber, YAG crystal optical fiber and photonic crystal optical fiber high temperature resistant optical fiber; the optical fiber probe adopts any one of a plane, a bevel and a conical surface.
The utility model has the preferable technical scheme that: the jumper connector and the armored optical fiber sheath are fixed in a crimping and high-temperature structural adhesive bonding mode; the optical fiber probe and the measuring section are bonded, sealed and fixed by adopting high-temperature structural adhesive; the measuring section is internally provided with an optical fiber, the outer diameter is 0.8-5 mm, and the length is 80-1000 mm; the armored optical fiber sheath, the measuring section and the first connector are in sealing and fixing connection in one or two of metal welding and high-temperature structural adhesive bonding.
The utility model has the preferable technical scheme that: when the metal infusion tube is used for infusion, the corresponding metal infusion tube is inserted into the infusion hole through the infusion needle tube for infusion; when the metal infusion tube is not used for infusion, a sealing plug is arranged at the orifice of the infusion hole.
The utility model has the preferable technical scheme that: when the probe sensor is used, the aperture of the infusion hole is coaxial with the same diameter of the metal infusion tube; and the liquid outlet hole arranged on the metal infusion tube is inclined to the fiber probe.
The utility model has the preferable technical scheme that: the length of the first connector is 15-100 mm, the outer diameter of the first connector is 4-10 mm, the inner diameter of the central hole is 2-5 mm, and the inner diameter of the infusion hole is 0.5-3.0 mm.
The utility model has the preferable technical scheme that: the second connector is made of stainless steel and is divided into a left part and a right part, the left side of the second connector is a hollow pipeline, the inner wall of the second connector is provided with a thread device matched with the first connector, and the right side of the second connector is welded with a metal protection pipe and a metal infusion pipe.
The utility model has the preferable technical scheme that: the length of the second connector is 100-1000 mm, and the outer diameter of the left pipeline is 5-11 mm. The length of the metal protection pipe is 80-980 mm, and the inner diameter is 1.0-5.2 mm; the length of the metal infusion tube is 80-980 mm, the inner diameter of the metal infusion tube is 0.5-3.0 mm, and the aperture of the liquid outlet hole of the metal infusion tube is 1-4 mm.
The utility model further adopts the technical scheme that: the metal protection pipe is shorter than the measuring section, and the optical fiber probe is exposed or placed in the metal protection pipe when the second connector is rotated.
The utility model is different from the protection sleeve of the traditional optical fiber probe, the packaging structure is provided with a cleaning pipeline, the sensor jumper connector is in butt joint with any channel of the probe demodulator, the nondestructive detection of the sensor can be realized by observing the change of reflected light intensity signals when liquid is conveyed, the structure effectively prolongs the service life of the optical fiber probe sensor, reduces the installation risk, and is suitable for various engineering detection.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of a cleaning state of a fiber optic probe of the present utility model;
FIG. 3 is a schematic illustration of the internal connections of the connector of the present utility model;
FIG. 4 is a schematic view of the interior of the clean state connector of the present utility model;
FIG. 5 is a cross-sectional view of a first connector of the present utility model;
fig. 6 is a waveform diagram of the signal demodulated by the demodulator according to the present utility model when it is normal;
fig. 7 is a waveform diagram of the present utility model when the signal demodulated by the demodulator is abnormal.
In the figure: 1-armored optical fiber sheath, 100-central duct, 2-transfusion hole, 3-first connector, 4-second connector, 5-metal protecting tube, 6-metal transfusion tube, 7-liquid outlet hole, 8-optical fiber probe, 9-jumper connector, 10-measuring optical fiber, 11-transfusion needle tube and 12-sealing plug.
Detailed Description
In order that the manner in which the above recited features and advantages of the present utility model are obtained will become more readily apparent, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings. Fig. 1 is a drawing of an embodiment, drawn in a simplified manner, for the purpose of clearly and concisely illustrating an embodiment of the present utility model. The following technical solutions presented in the drawings are specific to embodiments of the present utility model and are not intended to limit the scope of the claimed utility model. All other embodiments, based on the embodiments of the utility model, which are apparent to one of ordinary skill in the art without inventive faculty are intended to be within the scope of the utility model
The embodiment provides a novel optical fiber probe sensor packaging structure, specifically is shown in fig. 1 to 4, packaging structure is including sensor jumper joint 9, armor fiber sheath 1, adjusting sleeve and the metal protection tube 5 that connect gradually, the adjusting sleeve includes first connector 3 and the second connector 4 that the screw thread cup jointed, armor fiber sheath 1 fixed connection is at the first connector 3 end of adjusting sleeve, the metal protection tube 5 fixed connection is at the second connector 4 end of adjusting sleeve, first connector 3 both ends are sealed, and the outer wall is equipped with the metal steel pipe of screw thread, be equipped with armor fiber sheath 1 assorted central duct 100 in the central position of first connector 3, armor fiber sheath 1 and measuring fiber's measurement section are in central duct 100 sealing connection, second connector 4 is the hollow body structure that one end is opened, the other end is confined, and its inner wall is equipped with the internal thread with first connector 3 outer wall assorted, the open end screw thread of first connector 3 and second connector 4 cup joints the junction and is equipped with sealed pad. The metal protection tube 5 is fixedly connected to the second connector 4, one end of the metal protection tube 5, which is far away from the second connector 4, is in an open state, a measuring optical fiber 10 connected with a sensor jumper connector 9 is packaged in the armored optical fiber sheath 1, a measuring section of the measuring optical fiber 10 sequentially penetrates through the first connector 3 and the second connector 4 and then stretches into the metal protection tube 5, the metal protection tube 5 is shorter than the measuring section, and the optical fiber probe 8 is exposed when the second connector 4 is rotated or is placed in the metal protection tube 5. A plurality of metal infusion tubes 6 are arranged around the metal protection tube 5, the metal infusion tubes 6 are uniformly distributed outside the metal protection tube 5, the liquid inlet end of each metal infusion tube 6 extends into the second connector 4 and is fixedly connected with the second connector 4, infusion holes 2 which are matched with the metal infusion tubes 6 in number are arranged around the central pore passage 100 of the first connector 3, and the aperture of each infusion hole 2 is coaxial with the same diameter of the corresponding metal infusion tube 6; the liquid outlet hole 7 arranged on the metal infusion tube 6 is inclined to the optical fiber probe 8, and when the optical fiber probe 8 extends out of the metal protection tube 5, the liquid outlet hole 7 is opposite to the optical fiber probe 8.
In the novel optical fiber probe sensor packaging structure provided in the embodiment, as shown in fig. 1, when the threaded connection ports of the first connector 3 and the second connector 4 are completely sleeved, the optical fiber probe 8 of the measuring optical fiber is completely arranged in the metal protection pipe 5; as shown in fig. 2, in the unscrewed state of the threaded interfaces of the first connector 3 and the second connector 4, the optical fiber probe 8 of the measurement optical fiber extends out of the metal protecting tube 5, and at this time, the liquid outlet 7 of the metal infusion tube 6 faces the optical fiber probe 8 extending out of the metal protecting tube 5. When the metal infusion tube 6 is used for infusion and the optical fiber probe 8 is cleaned, as shown in fig. 3, the corresponding metal infusion tube 6 is inserted into the infusion hole 2 through the infusion needle tube 11 for infusion; when the metal infusion tube 6 is not used for infusion, as shown in fig. 4, a sealing plug 12 is arranged at the orifice of the infusion hole 2.
The embodiment provides a novel optical fiber probe sensor packaging structure, wherein the optical fiber adopts any one of quartz optical fiber, radiation-resistant optical fiber, sapphire optical fiber, YAG crystal optical fiber and photonic crystal optical fiber high temperature-resistant optical fiber; the optical fiber probe 8 adopts any one of a plane, a chamfer and a conical surface. The jumper connector 9 is fixed with the armored optical fiber sheath 1 by adopting a crimping and high-temperature structural adhesive bonding mode; the optical fiber probe 8 and the measuring section are bonded, sealed and fixed by adopting high-temperature structural adhesive; the measuring section is internally provided with an optical fiber, the outer diameter is 0.8-5 mm, and the length is 80-1000 mm; the armored optical fiber sheath 1, the measuring section and the first connector 3 are in sealing and fixing connection in one or two combination of metal welding and high-temperature structural adhesive bonding. The length of the first connector 3 is 15-100 mm, the outer diameter is 4-10 mm, the inner diameter of the central hole is 2-5 mm, and the inner diameter of the transfusion hole 2 is 0.5-3.0 mm. The second connector 4 is made of stainless steel and is divided into a left part and a right part, the left side of the second connector 4 is a hollow pipeline, the inner wall of the second connector is provided with a thread device matched with the first connector 3, and the right side of the second connector is welded with a metal protection pipe 5 and a metal infusion pipe 6. The length of the second connector 4 is 100-1000 mm, and the outer diameter of the left pipeline is 5-11 mm. The length of the metal protection pipe 5 is 80-980 mm, and the inner diameter is 1.0-5.2 mm; the length of the metal infusion tube 6 is 80-980 mm, the inner diameter is 0.5-3.0 mm, and the aperture of the liquid outlet hole 7 is 1-4 mm.
The specific packaging method of the novel optical fiber probe sensor packaging structure in the embodiment is as follows: penetrating the other end of the optical fiber probe into a metal pipe, exposing 1-4 mm of one end of the optical fiber probe, and bonding and sealing the optical fiber and the metal pipe by using a high-temperature structure, wherein the structure is a measuring section; sequentially penetrating the fiber probe end into the adapter 2, the adapter 1 and the armored fiber sheath, bonding, sealing and fixing the measuring section, the adapter 1 and the armored fiber sheath by using a high-temperature structure, and finally manufacturing a jumper connector; wherein the length of the measuring section is longer than the protective tube but shorter than the second connector, and the optical fiber probe is always arranged in the metal protective tube during packaging.
The utility model realizes self-cleaning and nondestructive detection of an optical fiber probe sensor, mainly comprises the following steps of transporting or standing the probe sensor, detecting and cleaning the optical fiber probe in a metal protection tube all the time after daily use, firstly, butting a jumper connector of the optical fiber probe sensor with any channel of an optical fiber probe demodulator, opening test demodulation software of the probe sensor, exposing an optical fiber probe 8 in the metal protection tube 5 after the second connector 4 of the optical fiber probe sensor is ready, inserting an injection transfusion needle tube 11 filled with cleaning liquid into a transfusion hole 2, penetrating through the transfusion hole 2 and inserting the injection transfusion needle tube into a corresponding metal transfusion tube 6, pressing the injector to enable the cleaning liquid to flow out through the metal transfusion tube 6 and a liquid outlet 7, flushing the optical fiber probe 8, and completing one-time cleaning of the optical fiber probe 8. The cleaning solution can be replaced by industrial alcohol, distilled water or other liquids according to the requirements, the change of the reflected light intensity signal of the optical fiber probe sensor can be tested to judge whether the optical fiber probe is damaged or not when the cleaning solution is cleaned, the plane probe is taken as an example, the liquid passes through the optical fiber probe, the signal demodulated by the demodulator is normal (rectangular wave), the optical fiber probe of the optical fiber probe sensor can be judged to be cleaned and undamaged as shown in fig. 6, the signal demodulated by the demodulator is abnormal as shown in fig. 7, the clutter is more as shown in fig. 7, the demodulated signal is still abnormal after multiple flushing, and the probe of the optical fiber probe sensor is judged to be damaged.
In summary, the present utility model is exemplified by one embodiment, but the present utility model is not limited to the above embodiment, and the technical effects of the present utility model can be achieved by any same or similar means, and the present utility model shall fall within the scope of protection of the present utility model.
Claims (10)
1. The utility model provides a novel optical fiber probe sensor packaging structure which characterized in that: the packaging structure comprises a sensor jumper connector (9), an armored optical fiber sheath (1), an adjusting sleeve and a metal protection tube (5) which are sequentially connected, wherein the adjusting sleeve comprises a first connector (3) and a second connector (4) which are sleeved with threads, the armored optical fiber sheath (1) is fixedly connected to the first connector (3) end of the adjusting sleeve, the metal protection tube (5) is fixedly connected to the second connector (4) end of the adjusting sleeve, one end, far away from the second connector (4), of the metal protection tube (5) is in an open state, a measuring optical fiber (10) connected with the sensor jumper connector (9) is packaged in the armored optical fiber sheath (1), and a measuring section of the measuring optical fiber (10) sequentially penetrates through the first connector (3) and the second connector (4) and then stretches into the metal protection tube (5); the metal infusion tube (6) is arranged around the metal protection tube (5), the metal infusion tube (6) is fixed on the adjusting sleeve, an infusion hole (2) communicated with the metal infusion tube (6) is formed in the adjusting sleeve, when the threaded connection ports of the first connector (3) and the second connector (4) are completely sleeved, the optical fiber probe (8) of the measuring optical fiber is completely arranged in the metal protection tube (5), the optical fiber probe (8) of the measuring optical fiber extends out of the metal protection tube (5) under the unscrewed state of the threaded connection ports of the first connector (3) and the second connector (4), and the liquid outlet hole (7) of the metal infusion tube (6) extends out of the optical fiber probe (8) of the metal protection tube (5).
2. The novel optical fiber probe sensor packaging structure according to claim 1, wherein: the two ends of the first connector (3) are closed, the outer wall of the first connector is provided with a threaded metal steel pipe, a central pore canal (100) matched with an armored optical fiber sheath (1) is arranged at the central position of the first connector (3), the armored optical fiber sheath (1) and a measuring section of a measuring optical fiber are in sealing connection in the central pore canal (100), the second connector (4) is of a hollow pipe body structure with one open end and the other closed end, the inner wall of the second connector is provided with an internal thread matched with the outer wall of the first connector (3), the first connector (3) is in threaded sleeve joint with the open end of the second connector (4), and a sealing gasket is arranged at the connecting position; the metal protection tube (5) is fixedly connected to the second connector (4), a plurality of metal infusion tubes (6) are arranged around the metal protection tube (5), the liquid inlet end of each metal infusion tube (6) stretches into the second connector (4) and is fixedly connected with the second connector (4), infusion holes (2) matched with the metal infusion tubes (6) in number are formed around the central pore channel (100) of the first connector (3), and each infusion hole (2) is coaxial with the corresponding metal infusion tube (6).
3. The novel optical fiber probe sensor packaging structure according to claim 1 or 2, wherein: the optical fiber adopts any one of quartz optical fiber, radiation-resistant optical fiber, sapphire optical fiber, YAG crystal optical fiber and photonic crystal optical fiber high temperature resistant optical fiber; the optical fiber probe (8) adopts any one of a plane, a bevel and a conical surface.
4. The novel optical fiber probe sensor packaging structure according to claim 1 or 2, wherein: the jumper connector (9) is fixed with the armored optical fiber sheath (1) in a crimping and high-temperature structural adhesive bonding mode; the optical fiber probe (8) and the measuring section are bonded, sealed and fixed by adopting high-temperature structural adhesive; the measuring section is internally provided with an optical fiber, the outer diameter is 0.8-5 mm, and the length is 80-1000 mm; the armored optical fiber sheath (1), the measuring section and the first connector (3) are fixedly connected in a sealing way by one or two combinations of metal welding and high-temperature structural adhesive bonding.
5. The novel optical fiber probe sensor packaging structure according to claim 1 or 2, wherein: when the metal infusion tube (6) is used for infusion, the corresponding metal infusion tube (6) is inserted into the infusion hole (2) through the infusion needle tube (11) for infusion; when the metal infusion tube (6) is not used for infusion, a sealing plug (12) is arranged at the orifice of the infusion hole (2).
6. The novel optical fiber probe sensor packaging structure according to claim 1 or 2, wherein: when the probe sensor is used, the aperture of the transfusion hole (2) is coaxial with the same diameter of the metal transfusion tube (6); the liquid outlet hole (7) arranged on the metal infusion tube (6) is inclined to the fiber probe (8).
7. The novel optical fiber probe sensor packaging structure according to claim 2, wherein: the length of the first connector (3) is 15-100 mm, the outer diameter is 4-10 mm, the inner diameter of the central hole is 2-5 mm, and the inner diameter of the transfusion hole (2) is 0.5-3.0 mm.
8. The novel optical fiber probe sensor packaging structure according to claim 2, wherein: the second connector (4) is made of stainless steel and is divided into a left part and a right part, the left side of the second connector (4) is a hollow pipeline, a thread device matched with the first connector (3) is arranged on the inner wall of the second connector, and a metal protection pipe (5) and a metal infusion pipe (6) are welded on the right side of the second connector.
9. The novel optical fiber probe sensor packaging structure according to claim 2, wherein: the length of the second connector (4) is 100-1000 mm, the outer diameter of the left pipeline is 5-11 mm, the length of the metal protection pipe (5) is 80-980 mm, and the inner diameter is 1.0-5.2 mm; the length of the metal infusion tube (6) is 80-980 mm, the inner diameter is 0.5-3.0 mm, and the aperture of the liquid outlet hole (7) is 1-4 mm.
10. The novel optical fiber probe sensor packaging structure according to claim 2, wherein: the metal protection tube (5) is shorter than the measuring section, and the optical fiber probe (8) is exposed when the second connector (4) is rotated or the optical fiber probe (8) is placed in the metal protection tube (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322136387.0U CN220625345U (en) | 2023-08-08 | 2023-08-08 | Novel optical fiber probe sensor packaging structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322136387.0U CN220625345U (en) | 2023-08-08 | 2023-08-08 | Novel optical fiber probe sensor packaging structure |
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| CN220625345U true CN220625345U (en) | 2024-03-19 |
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| GR01 | Patent grant |