CN110455433A - A kind of fibre optic temperature sensor - Google Patents
A kind of fibre optic temperature sensor Download PDFInfo
- Publication number
- CN110455433A CN110455433A CN201810434623.8A CN201810434623A CN110455433A CN 110455433 A CN110455433 A CN 110455433A CN 201810434623 A CN201810434623 A CN 201810434623A CN 110455433 A CN110455433 A CN 110455433A
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- China
- Prior art keywords
- inner core
- fibre optic
- temperature sensor
- optical fiber
- flexible substrates
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/08—Protective devices, e.g. casings
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K11/00—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00
- G01K11/32—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00 using changes in transmittance, scattering or luminescence in optical fibres
Abstract
The invention discloses a kind of fibre optic temperature sensors, including shell, and the cavity being connected to outside is formed in shell, inner core is provided in cavity, one or more temperature-measuring optical fiber is arranged in the flexible substrates that inner core one end is provided on a flexible substrate；The output section of the other end connection voice coil motor of inner core, voice coil motor can drive inner core to move up and down along cavity, so that temperature-measuring optical fiber stretches out hull outside or is housed in cavity inside.Fibre optic temperature sensor provided in an embodiment of the present invention allows entire fibre optic temperature sensor to enter small space and close specified temperature measurement location under the action of the traction device of peripheral hardware due to being provided with shell；It can control the distance that inner core stretches out shell by voice coil motor, temperature-measuring optical fiber enabled accurately to arrive at specified temperature measurement location, solve the problems, such as that existing fibre optic temperature sensor is not particularly suited for the temperature measurement of designated position in small space.
Description
Technical field
The present invention relates to Fiber Optic Pyrometer fields, and in particular to a kind of fibre optic temperature sensor.
Background technique
In the prior art, many to the detection method of temperature, the sensor used mainly has bimetallic temperature transducer, heat
Quick resistance temperature sensor and infrared temperature detection device.These temperature sensors all have different disadvantages, such as bimetallic
Temperature sensor is more sensitive to electromagnetic radiation, is not suitable for electromagnetism scene；Thermistor temperature sensor needs when in use
Loading current source can generate self-heating when using for a long time, and thermistor temperature sensor is very sensitive to self-heating, causes self-heating
Error；Infrared temperature detection device is when carrying out temperature measurement, the surface of suitable vertical incidence object to be detected, in small space
It is inconvenient for use.
Fibre optic temperature sensor relies on the advantages of anti-electromagnetic-radiation and passive detection, has and is more widely applied field.
Existing fibre optic temperature sensor can be arranged in small space by way of pre-plugged, to realize thermometric.For simultaneously
Fibre optic temperature sensor can also be pushed to object by traction device when needing thermometric by the object of not set temperature-measuring optical fiber
Internal portion；But in the higher situation of measurement position required precision, may in terms of positioning accuracy Shortcomings, especially
In small space in terms of the temperature measurement of designated position, there is the deficiency for not being able to satisfy requirement.
Summary of the invention
In view of this, being passed the embodiment of the invention provides a kind of fibre optic temperature sensor with solving existing fiber optic temperature
Sensor is not particularly suited for the problem of temperature measurement of designated position in small space.
According in a first aspect, the embodiment of the invention provides a kind of fibre optic temperature sensors, comprising: shell, in the shell
The cavity being connected to outside is formed in vivo, and inner core, the flexible substrates that described inner core one end is provided with, In are provided in cavity
One or more temperature-measuring optical fiber is set in the flexible substrates；The output section of the other end connection voice coil motor of the inner core, institute
Stating voice coil motor can drive the inner core to move up and down along the cavity, so that the temperature-measuring optical fiber stretches out the hull outside
Or it is housed in the cavity inside.
Fibre optic temperature sensor provided in an embodiment of the present invention, due to being provided with shell, so that entire optical fiber sensing
Device can arrive at the small space inside object to be detected, and close specified thermometric position under the action of the traction device of peripheral hardware
It sets；Due to being provided with inner core and voice coil motor, inner core is enabled to do reciprocal fortune relative to shell under the driving of voice coil motor
It is dynamic, i.e., the distance that inner core stretches out shell can control by voice coil motor, since inner core carries temperature-measuring optical fiber, so that temperature measuring optical
Fibre can accurately arrive at the temperature measurement location specified in interior of articles small space, solve existing fibre optic temperature sensor not
The problem of temperature suitable for designated position in small space measures.Further, since using flexible substrates as the load of temperature-measuring optical fiber
Body causes internal injury to object to be detected when can be avoided work in small space, thus the embodiment of the present invention can be mentioned
The fibre optic temperature sensor of confession is applied to the other field in addition to general industry thermometric, such as the life of biomedical engineering field
The detection of object inner cavity temperature.Since temperature-measuring optical fiber belongs to vulnerable part, in fibre optic temperature sensor provided in an embodiment of the present invention
Shell can under the off working state of temperature-measuring optical fiber, such as peripheral hardware traction device effect under enter object to be detected inside
During, protection is provided for temperature-measuring optical fiber, extends the service life of temperature-measuring optical fiber.
With reference to first aspect, in first aspect first embodiment, one or more is provided in the flexible substrates
Through-hole, for across telecommunication optical fiber and the telecommunication optical fiber being made to be connected with the temperature-measuring optical fiber.
Fibre optic temperature sensor provided in an embodiment of the present invention, due to being provided with through-hole on a flexible substrate, so that external
Telecommunication optical fiber can pass through and through-hole and be connected with each temperature-measuring optical fiber for being laid on flexible substrates upper surface, conveniently realize
The transmission of optical signal.
With reference to first aspect or first aspect first embodiment, each described in first aspect second embodiment
The upper surface of flexible substrates is provided with one or more temperature-measuring optical fiber, without crosspoint between the temperature-measuring optical fiber.
Fibre optic temperature sensor provided in an embodiment of the present invention can be arranged any on a flexible substrate according to actual needs
The temperature-measuring optical fiber of quantity, to meet the needs to the detection density of temperature measurement location.In order to avoid a plurality of in same flexible substrates
Temperature-measuring optical fiber interferes with each other, and the temperature-measuring optical fiber in flexible substrates is there is not allowed that intersecting or covering.
With reference to first aspect or any one of first aspect the first to two embodiment, in first aspect third embodiment
In, the inner core includes inner core body and at least three elastic fulcrum bars that are arranged on the inner core body；The elastic fulcrum bar
There is an angle between the inner core body, and the elastic fulcrum bar is uniformly distributed in the circumferential direction of the inner core body；Institute
The output end for stating voice coil motor is connected with the lower part of the inner core body.
Fibre optic temperature sensor provided in an embodiment of the present invention, due to being provided with elastic fulcrum bar on inner core, so that elastic
Strut can scatter when inner core stretches out shell, realize multi-point temperature measurement.Since each elastic fulcrum bar is arranged in the same inner core sheet
On body, so that voice coil motor can realize moving synchronously for each elastic fulcrum bar by controlling inner core body, and then realize more
The synchronous thermometric of point.
With reference to first aspect or any one of first aspect the first to two embodiment, in the 4th embodiment of first aspect
In, the inner core includes inner core body and at least three elastic fulcrum bars that are arranged on the inner core body；The inner core body
Side wall on the axis of the inner core is provided with sliding slot, the sliding slot is uniformly distributed in the circumferential direction of the inner core body；Each
The elastic fulcrum bar is arranged on the inner core body by sliding block compatible with the sliding slot；The output of the voice coil motor
End is connected with each sliding block.
Fibre optic temperature sensor provided in an embodiment of the present invention, due to being provided with elastic fulcrum bar on inner core, so that elastic
Strut can scatter when stretching out shell, realize multi-point temperature measurement.It is arranged since each elastic fulcrum bar passes through respective sliding block respectively
On inner core body, so that voice coil motor can realize the self-movement of each elastic fulcrum bar by controlling each sliding block, into
And realize selectable multi-point temperature measurement.Furthermore, it is possible to carry out sliding control to each sliding block by the way that voice coil motor is unified, realize each
A elastic fulcrum bar moves synchronously, and then realizes Multipoint synchronous thermometric.
Third or the 4th embodiment with reference to first aspect, in the 5th embodiment of first aspect, the flexible substrates
It is laid on the top of the elastic fulcrum bar.
Fibre optic temperature sensor provided in an embodiment of the present invention, it is soft due to being laid in the covering of the top of each elastic fulcrum bar
Property substrate so that elastic fulcrum bar directly or indirectly stretches out shell under the action of voice coil motor and when scattering be able to drive flexibility
Substrate spread apart, and then realize the thermometric of larger area.After thermometric, flexible substrates can return to shell with elastic fulcrum bar
Interior and group shrinks among the cavity of enclosure interior, realizes the storage of flexible substrates and temperature-measuring optical fiber under off working state.
5th embodiment with reference to first aspect, in first aspect sixth embodiment, the top of the elastic fulcrum bar
Multiple flexible substrates are equipped with, are provided with connector between multiple flexible substrates.
Fibre optic temperature sensor provided in an embodiment of the present invention, first by multiple flexible substrates splits, and then will be multiple soft
Property substrate split body be laid on the top of each elastic fulcrum bar, on the one hand can when elastic fulcrum bar stretches out shell and scatters band
The split body spread apart of dynamic flexible substrates, realizes the thermometric of larger area；On the other hand it can be carried in certain flexible substrates
When temperature-measuring optical fiber fails, thermometric still is smoothly completed using effective temperature-measuring optical fiber that other flexible substrates carry, improves fiber optic temperature
The reliability of sensor.
Third or the 4th embodiment with reference to first aspect, in the 7th embodiment of first aspect, each elasticity
The placement surface of arc is provided at the top of strut, the radius of the placement surface is not more than the radius of the cavity.
Fibre optic temperature sensor provided in an embodiment of the present invention, due to being provided with placement at the top of each elastic fulcrum bar
Face so that elastic fulcrum bar when stretching out shell and scattering, can have the detection faces of multiple arcs, and then is realized on circumferencial direction
Detection.In addition, that is, the radius of placement surface guarantees pacifying no more than the radius of cavity by the regulation of the radius to placement surface
Storage can smoothly be realized by setting when face returns to enclosure interior with elastic fulcrum bar.
7th embodiment with reference to first aspect, in the 8th embodiment of first aspect, outside each placement surface
The flexible substrates are equipped on side wall.
Fibre optic temperature sensor provided in an embodiment of the present invention, due to being equipped with flexibility on the lateral wall of each placement surface
Substrate can be completed pair by the temperature-measuring optical fiber being arranged in flexible substrates so that stretching out shell and when scattering in elastic fulcrum bar
The circumferential temperature data acquisition of object to be detected internal structure.
Third or the 4th embodiment with reference to first aspect, in the 9th embodiment of first aspect, the inner core body
For hollow structure.
Fibre optic temperature sensor provided in an embodiment of the present invention, due to setting hollow structure for inner core body, so that logical
Letter optical fiber can pass through the cavity in inner core body to connect each temperature-measuring optical fiber in flexible substrates, realize data transmission.
Detailed description of the invention
The features and advantages of the present invention will be more clearly understood by referring to the accompanying drawings, and attached drawing is schematically without that should manage
Solution is carries out any restrictions to the present invention, in the accompanying drawings:
Fig. 1 shows a kind of structural schematic diagram of fibre optic temperature sensor in the embodiment of the present invention；
Fig. 2 shows the structural schematic diagrams of flexible substrates and temperature-measuring optical fiber；
Fig. 3 shows another structural schematic diagram of flexible substrates and temperature-measuring optical fiber；
Fig. 4 shows the structural schematic diagram of another fibre optic temperature sensor in the embodiment of the present invention；
Fig. 5 shows the structural schematic diagram of another fibre optic temperature sensor in the operating condition in the embodiment of the present invention；
Fig. 6 shows another fibre optic temperature sensor in the embodiment of the present invention and carries out flexible substrates paving in another way
If structural schematic diagram；
Fig. 7 shows the structural schematic diagram of the third fibre optic temperature sensor in the operating condition in the embodiment of the present invention；
Fig. 8 shows the structure in the third fibre optic temperature sensor in the embodiment of the present invention with another core arrangement
Schematic diagram.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those skilled in the art are not having
Every other embodiment obtained under the premise of creative work is made, shall fall within the protection scope of the present invention.
Fig. 1 shows a kind of structural schematic diagram of fibre optic temperature sensor, the optical fiber sensing in the embodiment of the present invention
Device may include: shell 1, and the cavity 11 being connected to outside is formed in shell 1, inner core 2 is provided in the cavity 11, interior
One or more temperature-measuring optical fiber 5 is arranged in the flexible substrates 3 that 2 one end of core is provided in flexible substrates 3；The other end of inner core 2 connects
The output section of voice coil motor 4 is connect, voice coil motor 4 can drive inner core 2 to move up and down along cavity, so that temperature-measuring optical fiber 5 stretches out shell
1 outside of body is housed in inside cavity 11.In order to facilitate the disengaging of communication conduit line, can also be set in the lower part of shell 1 or side wall
Set inlet and outlet.
Fig. 2 to Fig. 3 shows the structural schematic diagram of flexible substrates 3 Yu temperature-measuring optical fiber 5.Flexible substrates 3 can be round, square
Shape or arbitrary regular shape are also possible to arbitrary irregular shape, and flexible substrates 3 as shown in Figure 2 are rounded, Fig. 3 institute
The flexible substrates 3 shown are in irregular shape.One or more temperature-measuring optical fiber 5 can be set in the upper surface of the same flexible substrates 3, when
When a plurality of temperature-measuring optical fiber 5 is set in flexible substrates 3, to avoid the interference between temperature-measuring optical fiber 5, answered between each temperature-measuring optical fiber 5
When no crosspoint.Temperature-measuring optical fiber 5 can be freely distributed, and Fig. 2 shows radial the case where being uniformly distributed, Fig. 3 shows spiral
The case where shape is distributed.The temperature-measuring optical fiber 5 to radially distribute is suitable for that detection has certain area, the more uniform portion of temperature
Position；The temperature-measuring optical fiber 5 being spirally distributed is suitable for detecting portion with certain area, having temperature difference outward from center
Position such as carries out the cavity of tumor thermotherapy using microwave heat therapeutic instrument, higher in the general temperature of affected area of microwave radiometer heating,
Up to 43 DEG C or more, the normal tissue of lesion periphery is generally 37 DEG C of normal body temperature or so.Furthermore, it is possible in flexible substrates 3
Through-hole 31 is set, enable external telecommunication optical fiber pass through through-hole 31 and with each survey for being laid on 3 upper surface of flexible substrates
Warm optical fiber 5 is connected, and conveniently realizes the transmission of optical signal.
Fibre optic temperature sensor provided in an embodiment of the present invention, due to being provided with shell, so that entire optical fiber sensing
Device can arrive at the small space inside object to be detected, and close specified thermometric position under the action of the traction device of peripheral hardware
It sets；Due to being provided with inner core and voice coil motor, inner core is enabled to do reciprocal fortune relative to shell under the driving of voice coil motor
It is dynamic, i.e., the distance that inner core stretches out shell can control by voice coil motor, since inner core carries temperature-measuring optical fiber, so that temperature measuring optical
Fibre can accurately arrive at the temperature measurement location specified in interior of articles small space, solve existing fibre optic temperature sensor not
The problem of temperature suitable for designated position in small space measures.Further, since using flexible substrates as the load of temperature-measuring optical fiber
Body causes internal injury to object to be detected when can be avoided work in small space, thus the embodiment of the present invention can be mentioned
The fibre optic temperature sensor of confession is applied to the other field in addition to general industry thermometric, such as the life of biomedical engineering field
The detection of object inner cavity temperature.Since temperature-measuring optical fiber belongs to vulnerable part, in fibre optic temperature sensor provided in an embodiment of the present invention
Shell can under the off working state of temperature-measuring optical fiber, such as peripheral hardware traction device effect under enter object to be detected inside
During, protection is provided for temperature-measuring optical fiber, extends the service life of temperature-measuring optical fiber.
Fig. 4 shows the structural schematic diagram of another fibre optic temperature sensor in the embodiment of the present invention, which passes
Sensor includes the various components of fibre optic temperature sensor described in Fig. 1, and to avoid repeating, details are not described herein.As shown in figure 4, should
In fibre optic temperature sensor, inner core 2 includes inner core body 21 and at least three elastic fulcrum bars 22 being arranged on inner core body 21,
Fig. 4, which is shown, has the case where there are three elastic fulcrum bar 22.Each elastic fulcrum bar 22 has an angle between inner core body 21,
And elastic fulcrum bar 22 is uniformly distributed in the circumferential direction of inner core body 21.Inner core body 21 can be hollow structure, pass through inner core sheet
Cavity in body 21, telecommunication optical fiber can pass through, and to connect each temperature-measuring optical fiber 5 in flexible substrates 3, realize data transmission.
The laying of flexible substrates 3 of integral structure is covered on each top in elastic fulcrum bar 22.The flexible substrates 3 of integral structure both can be with
It is a flexible substrates, is also possible to the spliceosome being spliced by multiple flexible substrates through connector.The output of voice coil motor 4
End is connected with the lower part of inner core body 21.It is the off working state of fibre optic temperature sensor described in Fig. 4, at this point, each elasticity
The inside that strut 22 is accommodated in shell 1 together with the flexible substrates 3 being laid on elastic fulcrum bar 22 is specifically accommodated in shell
Among the cavity 11 of body 1.When needing thermometric, voice coil motor 4 pushes inner core body 21, so that each elastic fulcrum bar 22 is stretched
It shell 1 and scatters out, can also make 3 spread apart of flexible substrates while elastic fulcrum bar 22 scatters, to realize larger area
Thermometric, see that Fig. 5, Fig. 5 show in the embodiment of the present invention structure of another fibre optic temperature sensor in the operating condition and show
It is intended to.
It, can also be on the top of each elastic fulcrum bar other than such as Fig. 4 to the paving mode of flexible substrates 3 shown in fig. 5
Portion is respectively set a flexible substrates 3 and sees Fig. 6 to realize multimetering.Due to being provided with elastic fulcrum bar on inner core body 21
22, elastic fulcrum bar 22 is scattered when stretching out shell 1, realizes multi-point temperature measurement.Since the setting of each elastic fulcrum bar 22 exists
On the same inner core body 21, so that voice coil motor 4 can realize each elastic fulcrum bar 22 by controlling inner core body 21
It moves synchronously, and then realizes Multipoint synchronous thermometric.
Fig. 7 shows the structural schematic diagram of the third fibre optic temperature sensor in the embodiment of the present invention, which passes
Sensor includes the various components of fibre optic temperature sensor described in Fig. 1, and to avoid repeating, details are not described herein.As shown in fig. 7, should
In fibre optic temperature sensor, inner core 2 includes the inner core body 21 being fixed in shell 1 and is arranged on inner core body 21
At least three elastic fulcrum bars 22, Fig. 7, which is shown, has the case where there are three elastic fulcrum bar 22.Along its axis on the side wall of inner core body 21
Line is provided with sliding slot 23, and sliding slot 23 is uniformly distributed in the circumferential direction of inner core body 21.Each elastic fulcrum bar 22 by with 23 phase of sliding slot
The sliding block 24 of adaptation is arranged on inner core body 21.Inner core body 21 can be hollow structure, pass through the sky in inner core body 21
Chamber, telecommunication optical fiber can pass through, and to connect each temperature-measuring optical fiber 5 in flexible substrates 3, realize data transmission.Integral structure
The laying of flexible substrates 3 is covered on each top in elastic fulcrum bar 22.The output end of voice coil motor 4 respectively with each 24 phase of sliding block
Connection.Under the paving mode of flexible substrates 3 shown in Fig. 7, voice coil motor 4 should synchronize control to each sliding block 24,
It keeps each sliding block 24 to retreat jointly, causes to damage to avoid to flexible substrates 3.
Other than the paving mode of flexible substrates 3 as shown in Figure 7, it can also distinguish at the top of each elastic fulcrum bar
One flexible substrates 3 is set, to realize multimetering；It, can be to each sliding block also, under this flexible substrates paving mode
24 movement is independently controlled.Since each elastic fulcrum bar 22 is arranged by respective sliding block 24 in inner core body 21 respectively
On, so that voice coil motor 4 can realize the self-movement of each elastic fulcrum bar 22 by controlling each sliding block 24, and then realize
Selectable multi-point temperature measurement.Furthermore, it is possible to carry out sliding control to each sliding block 24 by the way that voice coil motor 4 is unified, realize each
Elastic fulcrum bar 22 moves synchronously, and then realizes Multipoint synchronous thermometric.
Preferably, in fibre optic temperature sensor shown in Fig. 7, arc can also be set at the top of each elastic fulcrum bar 22
The placement surface 25 of shape, and the radius of placement surface 25 is not more than the radius of cavity 11；It is laid on the lateral wall of each placement surface 25
Flexible substrates 3, are shown in Fig. 8.It, can be in a circumferential direction by voice coil motor 4 to the Synchronous motion control of each elastic fulcrum bar 22
Realize the disposable signal acquisition to a certain section object to be detected internal temperature.By voice coil motor 4 to each elastic fulcrum bar 22
Self-movement control, can unrestricted choice thermometric position, improve inner cavity thermometric flexibility.In addition, by placement surface
The regulation of radius, the i.e. radius of placement surface are not more than the least radius of cavity, guarantee to return to shell with elastic fulcrum bar in placement surface
Storage can be smoothly realized when internal.
Although being described in conjunction with the accompanying the embodiment of the present invention, those skilled in the art can not depart from the present invention
Spirit and scope in the case where various modifications and variations can be made, such modifications and variations are each fallen within by appended claims institute
Within the scope of restriction.
Claims (10)
1. a kind of fibre optic temperature sensor characterized by comprising
Shell forms the cavity being connected to outside in the shell, inner core is provided in cavity, described inner core one end is set
One or more temperature-measuring optical fiber is arranged in the flexible substrates being equipped in the flexible substrates；The other end of the inner core connects sound
The output section of coil motor, the voice coil motor can drive the inner core to move up and down along the cavity, so that the temperature measuring optical
Fibre stretches out the hull outside or is housed in the cavity inside.
2. fibre optic temperature sensor according to claim 1, which is characterized in that be provided in the flexible substrates one or
Multiple through-holes, for across telecommunication optical fiber and the telecommunication optical fiber being made to be connected with the temperature-measuring optical fiber.
3. fibre optic temperature sensor according to claim 1 or 2, which is characterized in that the upper table of each flexible substrates
Face is provided with one or more temperature-measuring optical fiber, without crosspoint between the temperature-measuring optical fiber.
4. fibre optic temperature sensor according to any one of claim 1 to 3, it is characterised in that:
The inner core includes inner core body and at least three elastic fulcrum bars that are arranged on the inner core body；The elastic fulcrum bar
There is an angle between the inner core body, and the elastic fulcrum bar is uniformly distributed in the circumferential direction of the inner core body；
The output end of the voice coil motor is connected with the lower part of the inner core body.
5. fibre optic temperature sensor according to any one of claim 1 to 3, it is characterised in that:
The inner core includes inner core body and at least three elastic fulcrum bars that are arranged on the inner core body；The inner core body
Side wall on the axis of the inner core is provided with sliding slot, the sliding slot is uniformly distributed in the circumferential direction of the inner core body；Each
The elastic fulcrum bar is arranged on the inner core body by sliding block compatible with the sliding slot；
The output end of the voice coil motor is connected with each sliding block.
6. fibre optic temperature sensor according to claim 4 or 5, which is characterized in that the flexible substrates are laid on described
The top of elastic fulcrum bar.
7. fibre optic temperature sensor according to claim 6, which is characterized in that be equipped at the top of the elastic fulcrum bar more
A flexible substrates are provided with connector between multiple flexible substrates.
8. fibre optic temperature sensor according to claim 4 or 5, it is characterised in that:
The placement surface of arc is provided at the top of each elastic fulcrum bar, the radius of the placement surface is no more than the cavity
Radius.
9. fibre optic temperature sensor according to claim 8, which is characterized in that the lateral wall upper berth of each placement surface
Equipped with the flexible substrates.
10. fibre optic temperature sensor according to claim 4 or 5, which is characterized in that the inner core body is hollow knot
Structure.
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| CN201810434623.8A CN110455433A (en) | 2018-05-08 | 2018-05-08 | A kind of fibre optic temperature sensor |
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|---|---|---|---|
| CN201810434623.8A CN110455433A (en) | 2018-05-08 | 2018-05-08 | A kind of fibre optic temperature sensor |
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| KR960014664A (en) * | 1994-10-06 | 1996-05-22 | 이종대 | Screw Type Vacuum Pump |
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| CN103353350A (en) * | 2013-07-12 | 2013-10-16 | 安徽晋源电缆有限公司 | Infrared temperature measuring device |
| CN104330191A (en) * | 2014-10-28 | 2015-02-04 | 国网吉林省电力有限公司检修公司 | Fiber grating temperature measuring device |
| CN106404218A (en) * | 2016-12-24 | 2017-02-15 | 福州华光天锐光电科技有限公司 | Protective cover for fluorescence optical fiber temperature sensor |
| CN107202546A (en) * | 2017-06-20 | 2017-09-26 | 西安交通大学 | A kind of highly sensitive temperature compensation type fiber Bragg grating strain sensor |
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2018
- 2018-05-08 CN CN201810434623.8A patent/CN110455433A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR960014664A (en) * | 1994-10-06 | 1996-05-22 | 이종대 | Screw Type Vacuum Pump |
| CN201188037Y (en) * | 2008-04-07 | 2009-01-28 | 中粮麦芽（江阴）有限公司 | Collapsible multi-point temperature-measuring equipment |
| CN103353350A (en) * | 2013-07-12 | 2013-10-16 | 安徽晋源电缆有限公司 | Infrared temperature measuring device |
| CN104330191A (en) * | 2014-10-28 | 2015-02-04 | 国网吉林省电力有限公司检修公司 | Fiber grating temperature measuring device |
| CN106404218A (en) * | 2016-12-24 | 2017-02-15 | 福州华光天锐光电科技有限公司 | Protective cover for fluorescence optical fiber temperature sensor |
| CN107202546A (en) * | 2017-06-20 | 2017-09-26 | 西安交通大学 | A kind of highly sensitive temperature compensation type fiber Bragg grating strain sensor |
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Application publication date: 20191115 |