CN110455432A - A kind of temperature measuring equipment - Google Patents
A kind of temperature measuring equipment Download PDFInfo
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- CN110455432A CN110455432A CN201810434622.3A CN201810434622A CN110455432A CN 110455432 A CN110455432 A CN 110455432A CN 201810434622 A CN201810434622 A CN 201810434622A CN 110455432 A CN110455432 A CN 110455432A
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- Prior art keywords
- temperature
- inner core
- optical fiber
- connector
- measuring optical
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- 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 temperature measuring equipments, comprising: industrial personal computer, clock-pulse generator, pulse laser, data collecting card and the identical light signal collection circuit of multichannel structure；The identical light signal collection circuit in parallel of multichannel structure is between the output end of pulse laser and the input terminal of data collecting card；Clock-pulse generator starts under the control of industrial personal computer, and sends synchronization pulse to pulse laser and data collecting card.Temperature measuring equipment provided in an embodiment of the present invention, since clock-pulse generator sends synchronization pulse to pulse laser and data collecting card simultaneously, pulse laser provides the light source for thermometric for each light signal collection circuit, the synchronous scattering light data with temperature information for receiving each light signal collection circuit and sending of data collecting card solves the problems, such as that existing temperature measuring equipment can not achieve the synchronous detection of a plurality of temperature-measuring optical fiber.
Description
Technical field
The present invention relates to temperature detection technical fields, and in particular to a kind of temperature measuring equipment.
Background technique
The prior art can provide multiple technologies scheme, and to realize the thermometric in open space, such as contactless is infrared
The bi-metal temperature detection technique or thermistor temp detection technique of temperature detection technology and contact.But infrared temperature is examined
Survey technology is usually unable to do what one wishes for the orientation or detection and localization in small space.Due to infrared temperature detection device volume compared with
Greatly, and when carrying out temperature measurement, the surface of suitable vertical incidence object to be detected is inconvenient for use in small space.And it is double
The bimetallic fibre optic temperature sensor and thermistor used in metal temperature detection technique or thermistor temp detection technique
Although fibre optic temperature sensor compact is easily implantable small space, there are other problems.For example, bimetallic optical fiber
Temperature sensor is more sensitive to electromagnetic radiation, is not suitable for electromagnetism scene；Thermistor fibre optic temperature sensor is when in use
Loading current source is needed, self-heating can be generated when using for a long time, and thermistor fibre optic temperature sensor is very sensitive to self-heating,
Cause self-heating error.
Fiber Optic Pyrometer relies on the advantages that anti-electromagnetic-radiation and passive detection, and application is very extensive.Existing optical fiber temperature
Degree sensor can be arranged in small space by way of pre-plugged, to realize thermometric.For and not set temperature measuring optical
Temperature-measuring optical fiber can also be pushed to interior of articles by traction device when needing thermometric by fine object.But it is existing
The device that temperature detection is carried out using Fiber Optic Pyrometer, can only generally acquire the data of a temperature-measuring optical fiber, can not achieve more
The synchronous detection of temperature-measuring optical fiber, influences temperature measuring efficiency.
Summary of the invention
In view of this, can not achieve the embodiment of the invention provides a kind of temperature measuring equipment with solving existing temperature measuring equipment
The problem of synchronous detection of a plurality of temperature-measuring optical fiber.
According in a first aspect, the embodiment of the invention provides a kind of temperature measuring equipments, comprising: industrial personal computer, lock-out pulse occur
Device, pulse laser, data collecting card and the identical light signal collection circuit of multichannel structure；The output of the industrial personal computer terminates
One output of one input terminal of the clock-pulse generator, the clock-pulse generator terminates the defeated of the pulse laser
Enter end, another output of the clock-pulse generator terminates an input terminal of the data collecting card；The multichannel structure phase
With light signal collection circuit in parallel in the pulse laser output end and the data collecting card another input terminal it
Between；The output of the data collecting card terminates the input terminal of the industrial personal computer；The clock-pulse generator is in the industrial personal computer
Control under start, and synchronization pulse is sent to the pulse laser and the data collecting card, with synchronous averaging institute
State pulse laser and the data collecting card；The light signal collection circuit includes light wavelength division multiplexing, temperature-measuring optical fiber, first
Photoelectric detector, the second photoelectric detector, the first amplifier and the second amplifier；The input of the light wavelength division multiplexing terminates institute
An output end of pulse laser is stated, the input/output of the light wavelength division multiplexing terminates the temperature-measuring optical fiber, will be described
The laser of pulse laser transmitting is sent to the temperature-measuring optical fiber, and receives the scattering light that the temperature-measuring optical fiber is sent back to；The light
One output end of wavelength division multiplexer connects the input terminal of the data collecting card through the first photoelectric detector and the first amplifier, will
The light of scattering all the way that the temperature-measuring optical fiber is sent back to is converted to electric signal and is sent to the data collecting card；The optical wavelength division multiplexing
Another output end of device connects the input terminal of the data collecting card through the second photoelectric detector and the second amplifier, by the survey
The another way scattering light that warm optical fiber is sent back to is converted to electric signal and is sent to the data collecting card.
Temperature measuring equipment provided in an embodiment of the present invention, due to being adopted by clock-pulse generator to pulse laser and data
Truck sends synchronization pulse simultaneously, enables pulse laser and data collecting card under the instruction of synchronization pulse
Synchronous averaging.On the one hand, pulse laser provides the light source for thermometric for each light signal collection circuit；On the other hand, number
According to the synchronous scattering light data with temperature information for receiving each light signal collection circuit and sending of capture card, each light is realized
The synchronous data collection of signal acquisition circuit and synchrodata are sent, and solving existing temperature measuring equipment can not achieve a plurality of thermometric
The problem of synchronous detection of optical fiber.
With reference to first aspect, in first aspect first embodiment, the temperature-measuring optical fiber is arranged in optical fiber sensing
On device, the fibre optic temperature sensor includes: shell, the cavity being connected to outside is formed in the shell, in cavity
It is provided with inner core, one or more temperature measuring optical is arranged in the flexible substrates that described inner core one end is provided in the flexible substrates
It is fine；The output section of the other end connection voice coil motor of the inner core, the voice coil motor can drive the inner core along the sky
Chamber moves up and down, so that the temperature-measuring optical fiber stretches out the hull outside or is housed in the cavity inside.
Temperature measuring equipment provided in an embodiment of the present invention, due to being provided with inner core and voice coil horse in fibre optic temperature sensor
It reaches, inner core is moved reciprocatingly under the driving of voice coil motor relative to shell, i.e., can control by voice coil motor
The distance that inner core stretches out shell enables temperature-measuring optical fiber accurately to arrive at interior of articles narrow since inner core carries temperature-measuring optical fiber
The temperature measurement location specified in small space can be realized the temperature measurement of designated position in small space.Further, since with flexible base
Carrier of the bottom as temperature-measuring optical fiber causes internal injury to object to be detected when can be avoided work in small space, thus can
Temperature measuring equipment provided in an embodiment of the present invention to be applied to the other field in addition to general industry thermometric, for example, it is biomedical
The detection of the biological intracoelomic cavity temperature of engineering field.Since temperature-measuring optical fiber belongs to vulnerable part, in survey provided in an embodiment of the present invention
In warm device, it is provided with shell for fibre optic temperature sensor, shell can be under the off working state of temperature-measuring optical fiber, such as in peripheral hardware
Traction device effect it is lower enter object to be detected inside during, provide protection for temperature-measuring optical fiber, extend temperature-measuring optical fiber
Service life.
First embodiment with reference to first aspect is arranged in the flexible substrates in first aspect second embodiment
There are one or more through-holes, for across telecommunication optical fiber and the telecommunication optical fiber being made to be connected with the temperature-measuring optical fiber.
Temperature measuring equipment provided in an embodiment of the present invention is logical due to being provided in the flexible substrates in fibre optic temperature sensor
Hole enables external telecommunication optical fiber to pass through through-hole and is connected with each temperature-measuring optical fiber for being laid on flexible substrates upper surface
It connects, conveniently realizes the transmission of optical signal.
First embodiment or first aspect second embodiment with reference to first aspect, in first aspect third embodiment
In, the upper surface of each flexible substrates is provided with one or more temperature-measuring optical fiber, without crosspoint between the temperature-measuring optical fiber.
Temperature measuring equipment provided in an embodiment of the present invention, flexible base that can according to actual needs in fibre optic temperature sensor
Any number of temperature-measuring optical fiber is set on bottom, to meet the needs to the detection density of temperature measurement location.In order to avoid same flexibility
A plurality of temperature-measuring optical fiber in substrate interferes with each other, and the temperature-measuring optical fiber in flexible substrates is there is not allowed that intersecting or covering.
First to third any embodiment, in the 4th embodiment of first aspect, the inner core with reference to first aspect
Including inner core body and at least three elastic fulcrum bars being arranged on the inner core body；The elastic fulcrum bar and the inner core sheet
There is an angle, and the elastic fulcrum bar is uniformly distributed in the circumferential direction of the inner core body between body；The voice coil motor
Output end is connected with the lower part of the inner core body.
Temperature measuring equipment provided in an embodiment of the present invention, due to being provided with elasticity branch on the inner core in fibre optic temperature sensor
Bar enables elastic fulcrum bar to scatter when inner core stretches out shell, realizes multi-point temperature measurement.Since each elastic fulcrum bar is arranged same
On one inner core body, so that voice coil motor can realize moving synchronously for each elastic fulcrum bar by controlling inner core body,
And then realize Multipoint synchronous thermometric.
First to third any embodiment, in the 5th embodiment of first aspect, the inner core with reference to first aspect
Including inner core body and at least three elastic fulcrum bars being arranged on the inner core body；Along institute on the side wall of the inner core body
The axis for stating inner core is provided with sliding slot, and the sliding slot is uniformly distributed in the circumferential direction of the inner core body；Each elastic fulcrum bar
It is arranged on the inner core body by sliding block compatible with the sliding slot；The output end of the voice coil motor and each described
Sliding block is connected.
Temperature measuring equipment provided in an embodiment of the present invention, due to being provided with elasticity branch on the inner core in fibre optic temperature sensor
Bar enables elastic fulcrum bar to scatter when stretching out shell, realizes multi-point temperature measurement.Since each elastic fulcrum bar passes through respectively respectively
Sliding block be arranged on inner core body so that voice coil motor can realize the only of each elastic fulcrum bar by controlling each sliding block
Vertical movement, and then 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
System realizes moving synchronously for each elastic fulcrum bar, and then realizes Multipoint synchronous thermometric.
4th or the 5th embodiment with reference to first aspect, in first aspect sixth embodiment, the flexible substrates
It is laid on the top of the elastic fulcrum bar.
Temperature measuring equipment provided in an embodiment of the present invention, due to the top of each elastic fulcrum bar in fibre optic temperature sensor
Covering has been laid with flexible substrates, when so that elastic fulcrum bar directly or indirectly stretching out shell and scattered under the action of voice coil motor,
It is able to drive flexible substrates spread apart, and then realizes the thermometric of larger area.After thermometric, flexible substrates can be with elasticity
Strut is returned in shell and is rolled into a ball and shrinks among the cavity of enclosure interior, realizes flexible substrates and temperature-measuring optical fiber under off working state
Storage.
Sixth embodiment with reference to first aspect, in the 7th embodiment of first aspect, the top of the elastic fulcrum bar
Multiple flexible substrates are equipped with, are provided with connector between multiple flexible substrates.
Temperature measuring equipment provided in an embodiment of the present invention, first by multiple flexible substrates splits, and then by multiple flexible substrates
Split body be laid on the top of each elastic fulcrum bar, on the one hand can be driven when elastic fulcrum bar stretches out shell and scatters flexible
The split body spread apart of substrate, realizes the thermometric of larger area；On the other hand the temperature measuring optical that can be carried in certain flexible substrates
When fibre failure, thermometric still is smoothly completed using effective temperature-measuring optical fiber that other flexible substrates carry, that improves temperature sensor can
By property.
4th or the 5th embodiment with reference to first aspect, in the 8th embodiment of first aspect, the inner core body
For hollow structure.
Temperature measuring equipment provided in an embodiment of the present invention, due to setting hollow for the inner core body in fibre optic temperature sensor
Structure enables telecommunication optical fiber to pass through the cavity in inner core body to connect each temperature-measuring optical fiber in flexible substrates, realizes
Data transmission.
First to the 8th any embodiment with reference to first aspect, in the 9th embodiment of first aspect,
The fibre optic temperature sensor further include: the first connector, the connector for being hubbed at first connector, and be pivoted
In the second connector of the connector, the pivot pendulum direction of the relatively described connector of the second connector is perpendicular to the connector phase
Direction is put to the pivot of first connector；It is equipped with first chamber in first connector, is equipped in the first chamber for driving
Move the relatively described first connector pivot pendulum of the connector first swings voice coil motor；Second chamber is equipped in the connector,
It is equipped in the second chamber for driving the second of the relatively described connector pivot pendulum of second connector to swing voice coil motor；Institute
State the top that second connector is arranged in shell.
Temperature measuring equipment provided in an embodiment of the present invention, since the connector vertical there are two pivot pendulum direction is arranged, so that optical fiber
Temperature sensor can universal rotational, meet orientation thermometric needs, realize assigned direction in small space temperature measurement.
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 temperature measuring equipment in the embodiment of the present invention；
Fig. 2 shows the structural schematic diagrams of light signal collection circuit in the embodiment of the present invention；
Fig. 3 shows a kind of structural schematic diagram of fibre optic temperature sensor in the embodiment of the present invention；
Fig. 4 shows the structural schematic diagram of flexible substrates and temperature-measuring optical fiber；
Fig. 5 shows another structural schematic diagram of flexible substrates and temperature-measuring optical fiber；
Fig. 6 shows the structural schematic diagram of another fibre optic temperature sensor in the embodiment of the present invention；
Fig. 7 shows the structural schematic diagram of another fibre optic temperature sensor in the operating condition in the embodiment of the present invention；
Fig. 8 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. 9 shows the structural schematic diagram of the third fibre optic temperature sensor in the operating condition in the embodiment of the present invention；
Figure 10 shows the structural schematic diagram of the 4th kind of fibre optic temperature sensor in the embodiment of the present invention.
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.
It may include: work that Fig. 1, which shows a kind of structural schematic diagram of temperature measuring equipment, the temperature measuring equipment in the embodiment of the present invention,
Control machine, clock-pulse generator, pulse laser, data collecting card and the identical light signal collection circuit of multichannel structure.
One input terminal of the output termination clock-pulse generator of industrial personal computer, an output termination arteries and veins of clock-pulse generator
Rush the input terminal of laser, an input terminal of another output termination data collecting card of clock-pulse generator；Multichannel structure phase
Same light signal collection circuit in parallel is between the output end of pulse laser and another input terminal of data collecting card；Data are adopted
The input terminal of the output termination industrial personal computer of truck.Clock-pulse generator starts under the control of industrial personal computer, and to pulse laser
Device and data collecting card send synchronization pulse, with synchronous averaging pulse laser and data collecting card.
By taking light signal collection circuit all the way as an example, the structure of light signal collection circuit is introduced.As shown in Fig. 2, optical signal is adopted
Collector may include light wavelength division multiplexing, temperature-measuring optical fiber, the first photoelectric detector, the second photoelectric detector, the first amplifier
With the second amplifier.
One output end of the input termination pulse laser of light wavelength division multiplexing, the input/output of light wavelength division multiplexing
Temperature-measuring optical fiber is terminated, the laser that pulse laser is emitted is sent to temperature-measuring optical fiber, and receives the scattering that temperature-measuring optical fiber is sent back to
Light.
One output end of light wavelength division multiplexing connects the input of data collecting card through the first photoelectric detector and the first amplifier
End, is converted to electric signal for the light of scattering all the way that temperature-measuring optical fiber is sent back to and is sent to data collecting card；Light wavelength division multiplexing
Another output end connects the input terminal of data collecting card through the second photoelectric detector and the second amplifier, and temperature-measuring optical fiber is sent back to
Another way scattering light is converted to electric signal and is sent to data collecting card.
Temperature measuring equipment provided in an embodiment of the present invention, due to being adopted by clock-pulse generator to pulse laser and data
Truck sends synchronization pulse simultaneously, enables pulse laser and data collecting card under the instruction of synchronization pulse
Synchronous averaging.On the one hand, pulse laser provides the light source for thermometric for each light signal collection circuit；On the other hand, number
According to the synchronous scattering light data with temperature information for receiving each light signal collection circuit and sending of capture card, each light is realized
The synchronous data collection of signal acquisition circuit and synchrodata are sent, and solving existing temperature measuring equipment can not achieve a plurality of thermometric
The problem of synchronous detection of optical fiber.
Temperature-measuring optical fiber can be set in fibre optic temperature sensor, and Fig. 3 shows fiber optic temperature in the embodiment of the present invention and passes
The structural schematic diagram of sensor.The fibre optic temperature sensor may include: shell 41, forms in shell 41 and is connected to outside
Cavity 411 is provided with inner core 42, the flexible substrates 43 that 42 one end of inner core is provided with, in flexible substrates 43 in the cavity 411
One or more temperature-measuring optical fiber 45 is set；The output section of the other end connection voice coil motor 44 of inner core 42, voice coil motor 44 can
Inner core 42 is driven to move up and down along cavity 411, so that temperature-measuring optical fiber 45 stretches out 41 outside of shell or is housed in inside cavity 411.
It, can also be in the lower part of shell 41 or side wall setting inlet and outlet in order to facilitate the disengaging of communication conduit line.
Fig. 4 to Fig. 5 shows the structural schematic diagram of flexible substrates 43 Yu temperature-measuring optical fiber 45.Flexible substrates 43 can be circle
Shape, rectangle or arbitrary regular shape are also possible to arbitrary irregular shape, and flexible substrates 43 as shown in Figure 4 are rounded,
Flexible substrates 43 shown in fig. 5 are in irregular shape.One or more thermometric can be set in the upper surface of the same flexible substrates 43
Optical fiber 45, when a plurality of temperature-measuring optical fiber 45 is arranged in flexible substrates 43, to avoid the interference between temperature-measuring optical fiber 45, each thermometric
It should be without crosspoint between optical fiber 45.Temperature-measuring optical fiber 45 can be freely distributed, and Fig. 4 shows radial the case where being uniformly distributed,
Fig. 5 shows the case where spiral distribution.The temperature-measuring optical fiber 45 to radially distribute is suitable for that detection has certain area, temperature
More uniform position；The temperature-measuring optical fiber 45 that is spirally distributed be suitable for detection have certain area, have outward from center
The position of temperature difference such as carries out the cavity of tumor thermotherapy using microwave heat therapeutic instrument, in the affected area of microwave radiometer heating
General temperature is higher, and 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 to
In flexible substrates 43 be arranged through-hole 31, enable external telecommunication optical fiber pass through through-hole 31 and be laid on flexible substrates 43
Each temperature-measuring optical fiber 45 of upper surface 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. 6 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. 3, and to avoid repeating, details are not described herein.As shown in fig. 6, should
In fibre optic temperature sensor, inner core 42 includes inner core body 421 and at least three elastic fulcrum bars being arranged on inner core body 421
422, Fig. 6 show the case where tool is there are three elastic fulcrum bar 422.Each elastic fulcrum bar 422 has between inner core body 421
One angle, and elastic fulcrum bar 422 is uniformly distributed in the circumferential direction of inner core body 421.Inner core body 421 can be hollow structure,
By the cavity in inner core body 421, telecommunication optical fiber can be passed through, to connect each temperature-measuring optical fiber 45 in flexible substrates 43,
Realize data transmission.The laying of flexible substrates 43 of integral structure is covered on each top in elastic fulcrum bar 422.Integral structure
Flexible substrates 43 are also possible to the splicing being spliced by multiple flexible substrates through connector either a flexible substrates
Body.The output end of voice coil motor 44 is connected with the lower part of inner core body 421.It is the non-work of fibre optic temperature sensor described in Fig. 6
Make state, at this point, each elastic fulcrum bar 422 is accommodated in shell 41 together with the flexible substrates 43 being laid on elastic fulcrum bar 422
Inside be specifically accommodated among the cavity 11 of shell 41.When needing thermometric, voice coil motor 44 pushes inner core body
421, so that each elastic fulcrum bar 422 stretches out shell 41 and scatters, flexibility can be also made while elastic fulcrum bar 422 scatters
43 spread apart of substrate comes, to realize the thermometric of larger area, sees that Fig. 7, Fig. 7 show in the embodiment of the present invention another optical fiber
The structural schematic diagram of temperature sensor in the operating condition.
It, can also be on the top of each elastic fulcrum bar other than the paving mode of flexible substrates 43 as shown in Figure 6 to 7
Portion is respectively set a flexible substrates 43 and sees Fig. 8 to realize multimetering.Due to being provided with elasticity branch on inner core body 421
Bar 422 enables elastic fulcrum bar 422 to scatter when stretching out shell 41, realizes multi-point temperature measurement.Due to each elastic fulcrum bar 422
It is arranged on the same inner core body 421, so that voice coil motor 44 can realize each elasticity by controlling inner core body 421
Strut 422 moves synchronously, and then realizes Multipoint synchronous thermometric.
Fig. 9 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. 3, and to avoid repeating, details are not described herein.As shown in figure 9, should
In fibre optic temperature sensor, inner core 42 includes the inner core body 421 being fixed in shell 41 and is arranged in inner core body 421
On at least three elastic fulcrum bars 422, Fig. 9 show the case where tool is there are three elastic fulcrum bar 422.The side wall of inner core body 421
On its axis is provided with sliding slot 423, sliding slot 423 is uniformly distributed in the circumferential direction of inner core body 421.Each elastic fulcrum bar 422 is logical
Sliding block 424 compatible with sliding slot 423 is crossed to be arranged on inner core body 421.Inner core body 421 can be hollow structure, pass through
Cavity in inner core body 421, telecommunication optical fiber can pass through, and to connect each temperature-measuring optical fiber 45 in flexible substrates 43, realize
Data transmission.The laying of flexible substrates 43 of integral structure is covered on each top in elastic fulcrum bar 422.Voice coil motor 44 it is defeated
Outlet is connected with each sliding block 424 respectively.Under the paving mode of flexible substrates 43 shown in Fig. 9, voice coil motor 44 should
Control is synchronized to each sliding block 424, keeps each sliding block 424 to retreat jointly, causes to damage to avoid to flexible substrates 43.
It, can also be at the top part of each elastic fulcrum bar other than the paving mode of flexible substrates 43 as shown in Figure 9
Not She Zhi a flexible substrates 43, to realize multimetering；Also, it, can be to each under this flexible substrates paving mode
The movement of sliding block 424 is independently controlled.Since each elastic fulcrum bar 422 is arranged by respective sliding block 424 in inner core respectively
On ontology 421, so that voice coil motor 44 can realize the independent fortune of each elastic fulcrum bar 422 by controlling each sliding block 424
It is dynamic, and then realize selectable multi-point temperature measurement.Furthermore, it is possible to be slided by the way that voice coil motor 44 is unified to each sliding block 424
Control realizes moving synchronously for each elastic fulcrum bar 422, and then realizes Multipoint synchronous thermometric.
Figure 10 shows the structural schematic diagram of the 4th kind of fibre optic temperature sensor in the embodiment of the present invention, which passes
Sensor is included on the basis of any of the above-described fibre optic temperature sensor, is additionally arranged with lower component: the first connector 1 is hubbed at first
The shell 41 of the connector 2 of connector 1, the second connector 3 for being hubbed at connector 2 and the top that the second connector 3 is set.Second
Direction is put perpendicular to the pivot of 2 relative first tab 1 of connector in the pivot pendulum direction of 3 opposite joints 2 of connector.Pivot is put in order to realize
Electronic control, first chamber can be set in the first connector 1, and in first chamber setting be used for 2 phase of drive connection part
Voice coil motor is swung to the first of 1 pivot of the first connector pendulum.Likewise, second chamber can be arranged in connector 2, and second
Second swing voice coil motor of the setting for driving 3 opposite joints of the second connector, 2 pivot to put in chamber.By the first connector 1, even
Fitting 2 and the second connector 3 can be realized the universal rotational of shell 41.In order to realize external communication line and optical fiber sensing
Connector 2 can be designed as hollow structure to have conveniently realized the transmission of temperature data by the connection of device 4, to pass through and light
The connected communication line of fine temperature sensor 4.
First connector and the second connector are connected by fibre optic temperature sensor provided in an embodiment of the present invention using connector,
And shell is fixedly installed on the second connector, the overall structure of fibre optic temperature sensor is constituted, so that entire fiber optic temperature passes
Sensor can arrive at the small space inside object to be detected, and close specified thermometric under the action of the traction device of peripheral hardware
Position；Due to being arranged there are two the vertical connector in pivot pendulum direction, enable fibre optic temperature sensor universal rotational, meets orientation
The needs of thermometric realize the temperature measurement of assigned direction in small space.
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 temperature measuring equipment characterized by comprising
Industrial personal computer, clock-pulse generator, pulse laser, data collecting card and the identical light signal collection electricity of multichannel structure
Road；
The output of the industrial personal computer terminates an input terminal of the clock-pulse generator, and the one of the clock-pulse generator is defeated
The input terminal of the pulse laser is terminated out, and another output of the clock-pulse generator terminates the data collecting card
One input terminal；The identical light signal collection circuit in parallel of the multichannel structure is in the output end and the number of the pulse laser
According between another input terminal of capture card；The output of the data collecting card terminates the input terminal of the industrial personal computer；
The clock-pulse generator starts under the control of the industrial personal computer, and adopts to the pulse laser and the data
Truck sends synchronization pulse, with pulse laser described in synchronous averaging and the data collecting card；
The light signal collection circuit includes light wavelength division multiplexing, temperature-measuring optical fiber, the first photoelectric detector, the second Photoelectric Detection
Device, the first amplifier and the second amplifier；
The input of the light wavelength division multiplexing terminates an output end of the pulse laser, the light wavelength division multiplexing it is defeated
Enter/export the termination temperature-measuring optical fiber, the laser that the pulse laser emits is sent to the temperature-measuring optical fiber, and receive
The scattering light that the temperature-measuring optical fiber is sent back to；
One output end of the light wavelength division multiplexing connects the data collecting card through the first photoelectric detector and the first amplifier
The light of scattering all the way that the temperature-measuring optical fiber is sent back to is converted to electric signal and is sent to the data collecting card by input terminal；
Another output end of the light wavelength division multiplexing connects the data collecting card through the second photoelectric detector and the second amplifier
Input terminal, another way that the temperature-measuring optical fiber is sent back to scattering light be converted to electric signal and be sent to the data acquire
Card.
2. temperature measuring equipment according to claim 1, it is characterised in that:
The temperature-measuring optical fiber is arranged on fibre optic temperature sensor, and the fibre optic temperature sensor includes: shell, in the shell
The cavity being connected to outside is inside formed, inner core, the flexible substrates that described inner core one end is provided with, in institute are provided in cavity
It states and one or more temperature-measuring optical fiber is set in flexible substrates；The output section of the other end connection voice coil motor of the inner core, it is described
Voice coil motor can drive the inner core to move up and down along the cavity so that the temperature-measuring optical fiber stretch out the hull outside or
It is housed in the cavity inside.
3. temperature measuring equipment according to claim 2, which is characterized in that be provided in the flexible substrates one or more logical
Hole, for across telecommunication optical fiber and the telecommunication optical fiber being made to be connected with the temperature-measuring optical fiber.
4. temperature measuring equipment according to claim 2 or 3, which is characterized in that the upper surface of each flexible substrates is arranged
There is one or more temperature-measuring optical fiber, without crosspoint between the temperature-measuring optical fiber.
5. temperature measuring equipment according to any one of claim 2 to 4, 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.
6. temperature measuring equipment according to any one of claim 2 to 4, 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.
7. temperature measuring equipment according to claim 5 or 6, which is characterized in that the flexible substrates are laid on the elasticity branch
The top of bar.
8. temperature measuring equipment according to claim 7, it is characterised in that:
It is equipped with multiple flexible substrates at the top of the elastic fulcrum bar, is provided with connection between multiple flexible substrates
Part.
9. temperature measuring equipment according to claim 5 or 6, which is characterized in that the inner core body is hollow structure.
10. the temperature measuring equipment according to any one of claim 2 to 9, which is characterized in that the fibre optic temperature sensor is also
Include:
First connector, the connector for being hubbed at first connector, and it is hubbed at the second connector of the connector, described
Direction is put perpendicular to the pivot of relatively described first connector of the connector in the pivot pendulum direction of the relatively described connector of two connectors；
It is equipped with first chamber in first connector, is equipped in the first chamber for driving the connector relatively described the
The first of one connector pivot pendulum swings voice coil motor；
It is equipped with second chamber in the connector, is equipped in the second chamber for driving the relatively described company of second connector
The second of fitting pivot pendulum swings voice coil motor；
The top of second connector is arranged in the shell.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810434622.3A CN110455432A (en) | 2018-05-08 | 2018-05-08 | A kind of temperature measuring equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810434622.3A CN110455432A (en) | 2018-05-08 | 2018-05-08 | A kind of temperature measuring equipment |
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| Publication Number | Publication Date |
|---|---|
| CN110455432A true CN110455432A (en) | 2019-11-15 |
Family
ID=68480511
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810434622.3A Pending CN110455432A (en) | 2018-05-08 | 2018-05-08 | A kind of temperature measuring equipment |
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| CN (1) | CN110455432A (en) |
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| CN201188037Y (en) * | 2008-04-07 | 2009-01-28 | 中粮麦芽（江阴）有限公司 | Collapsible multi-point temperature-measuring equipment |
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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 |
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| CN205091068U (en) * | 2015-09-30 | 2016-03-16 | 四川华电南瑞科技有限公司 | Temperature -measuring system of distributed fibers |
| CN206922211U (en) * | 2017-04-10 | 2018-01-23 | 浙江省现代建筑设计研究院有限公司 | A kind of high temperature supplies power distributing cabinet from early warning type |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201188037Y (en) * | 2008-04-07 | 2009-01-28 | 中粮麦芽（江阴）有限公司 | Collapsible multi-point temperature-measuring equipment |
| CN102297462A (en) * | 2010-06-22 | 2011-12-28 | 乐金电子(天津)电器有限公司 | Mounting structure of telescopic contact pin temperature sensor |
| CN103353350A (en) * | 2013-07-12 | 2013-10-16 | 安徽晋源电缆有限公司 | Infrared temperature measuring device |
| CN203595563U (en) * | 2013-11-27 | 2014-05-14 | 威海北洋电气集团股份有限公司 | Temperature fluctuation controllable distributed fiber sensor and temperature fluctuation controllable distributed fiber temperature measuring device |
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