CN106017740A - Temperature sensor calibration equipment convenient for installation and maintenance - Google Patents
Temperature sensor calibration equipment convenient for installation and maintenance Download PDFInfo
- Publication number
- CN106017740A CN106017740A CN201610604441.1A CN201610604441A CN106017740A CN 106017740 A CN106017740 A CN 106017740A CN 201610604441 A CN201610604441 A CN 201610604441A CN 106017740 A CN106017740 A CN 106017740A
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- CN
- China
- Prior art keywords
- temperature sensor
- sealing joint
- circular array
- joint strip
- roll body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- G01K15/00—Testing or calibrating of thermometers
- G01K15/005—Calibration
Abstract
The invention discloses temperature sensor calibration equipment convenient for installation and maintenance. The temperature sensor calibration equipment comprises a sealing chamber which comprises a side wall, and a base and a top cover which are coaxially arranged. The connecting parts of the side wall and the base and the side wall and the top cover are filled with first sealing rubber strips. One side of the side wall is provided with an opening and closing door. The periphery of the opening and closing door is filled with second sealing rubber strips. The height of the second sealing rubber strips is greater than that of the first sealing rubber strips. The cross section of the first sealing rubber strips and the second sealing rubber strips is rectangular. The width height ratio of the second sealing rubber strips is 2.5:1. The width height ratio of the first sealing rubber strips is 3.5:1. The center of the base is provided with an electromagnetic induction roller. The top cover is provided with a prototype hole and multiple detection holes. The whole optical fiber temperature sensor can be calibrated so that installation and maintenance are convenient and rapid, temperature rising is fast, the temperature rising rate is controllable, cooling is fast, the internal temperature field is uniform and the calibration data are accurate and reliable.
Description
Technical field
The present invention relates to a kind of calibrating installation, a kind of temperature sensor calibrator (-ter) unit being easily installed and overhauling.
Background technology
The certainty of measurement of temperature sensors of high precision is affected by manufacturing the many factors such as process deviation, encapsulation stress,
In order to reach the accuracy Design requirement of chip, it is necessary to the temperature sensor chip after Preliminary screening, encapsulation is calibrated.
The structure of existing temperature sensor calibration system, including temperature calibration system, thermometric instruments；Temperature correction
System is for gathering the measurement data of chip to be calibrated, and thermometric instruments is for gathering the operating ambient temperature of chip to be calibrated
Data.
The major defect of this structure is:
(1) thermometric instruments must be high-precision, and cost is high.
(2), in calibration process, the temperature probe of thermometric instruments is difficult to be combined well with chip to be calibrated and have
Same temperature environment.
(3) requiring that chip to be calibrated and test probe are immersed in liquid environment, building of this calibration environment is more complicated,
And owing to needs change calibration temperature to liquid heating, prover time is longer.
The Chinese invention patent application of Application No. 200810044099.X disclosed in 23 days June in 2010, it invents wound
Entitled " the calibration system of temperature sensor chip and the calibration steps " made, it includes test board, temperature calibration system；Test
Temperature sensor reference chip and chip to be calibrated it is provided with on plate；Each chip is by unified digital interface and temperature correction system
System connects communication.The temperature calibration system of the present invention, reads each chip to be calibrated and reference chip by unified digital interface
Temperature value；Each chip to be calibrated gathers data simultaneously, it is achieved that multi-chip data collection synchronous is calibrated, it is possible to be greatly improved number
According to collecting efficiency, reduce chip the detection calibration time, reduce calibration cost.Have simple in construction, easily build, prover time
Short, calibration efficiency is high, low cost and automaticity advantages of higher.
But, above-mentioned patent application is suitable only for the calibration of temperature sensor chip, and temperature sensor finished product needs again to seal
Dress, the temperature after encapsulation needs comparison again, calibration.It addition, after temperature sensor uses a period of time, can aging, drift
Deng.Therefore, it is also desirable to again calibrate.
At present, temperature sensor, in meteorology detects, carries important function, detects in outdoor temperature, extreme environment temperature
Degree detects has irreplaceable effect.The basic functional principle of Fibre Optical Sensor is through light by the optical signal from light source
Fine send into manipulator, after making parameter to be measured and interacting with the light entering modulator zone, cause optical property (strong such as light of light
Degree, wavelength, frequency, phase place, polarization state etc.) change, become the signal source modulated, send into optical detection through optical fiber
Device, is demodulated, it is thus achieved that measured parameter.Thus there is the advantage of a series of uniqueness, and as good in electrical insulation capability, electromagnetism interference energy
Power is strong, Noninvasive, high sensitivity, easily realizes the remote monitor to measured signal, and corrosion-resistant, explosion-proof, light path has flexible
Qu Xing, it is simple to couple with computer.It can be in place that people does not reaches (such as high-temperature region or the area that is pernicious to people, such as core
Radiation area), play the knowledge effect of people, and the physiological limits of people can also be surmounted, outside the sense organ of recipient is not felt by
Boundary's information.Therefore, Fibre Optical Sensor application in meteorology detects is more and more extensive.
The Chinese invention patent application of Application No. 201010576244.6 disclosed in 15 days June in 2011, it invents wound
Entitled " calibrating device for temperature sensor " made, it includes cavity, is full of heat-conduction medium, is provided with in cavity in cavity
Heater and temperature sensor, described heat-conduction medium is gas, is additionally provided with fan in cavity, and cavity is provided with temperature to be calibrated
Degree sensor insertion hole, temperature sensor to be calibrated is inserted and is provided with temperature sensor clamping device to be calibrated at hole.Fan is located at
Middle part in cavity, described heater is arranged around fan；Be additionally provided with air inlet and gas outlet on cavity, air inlet be provided with into
Valve, gas outlet is provided with air outlet valve, and the position of air inlet is located proximate to fan than gas outlet；Gas outlet and the ventilation in cavity
Road connects, the top suitable for reading within the cavity of described ventilating duct.
But, owing to temperature sensor and temperature sensor to be calibrated be not in same temperature field, therefore the temperature spot of detection has
Institute's difference, causes calibration data not accurate enough, and error is big.It addition, hot blast directly blows to temperature sensor surface, further result in
Temperature data test error is bigger than normal.
Summary of the invention
The technical problem to be solved in the present invention is for above-mentioned the deficiencies in the prior art, and provides one to be easily installed and examine
The temperature sensor calibrator (-ter) unit repaiied, the temperature sensor calibrator (-ter) unit that this is easily installed and overhauls can be to fibre optic temperature sensor
Entirety is calibrated, and installs and overhauls convenient and swift, and quick heating, heating rate is controlled, and rapidly, internal temperature field is uniform, school in cooling
Quasi-data are accurately, reliably.
For solving above-mentioned technical problem, the technical solution used in the present invention is:
A kind of temperature sensor calibrator (-ter) unit being easily installed and overhauling, including seal cavity, this sealing cavity include sidewall, with
The base of axle setting and top cover；Sidewall is all filled with the first sealing joint strip with the junction of base and sidewall and top cover.
Sidewall side is provided with switching door, and the surrounding of switching door is filled with the second sealing joint strip；The height of the second sealing joint strip
Degree is more than the height of the first sealing joint strip；The cross section of the first sealing joint strip and the second sealing joint strip is rectangle, the second fluid sealant
The ratio of width to height of bar is 2.5:1, and the ratio of width to height of the first sealing joint strip is 3.5:1.
Base is provided centrally with electromagnetic induction roller, and electromagnetic induction roller includes roll body, and one end of roll body is connected with base rotation,
The other end of roll body is rotationally connected with top cover；Roll body is built-in with the iron core of hollow, is positioned on its outer diameter of roll body and uniformly twines
Being wound with heating coil, the outer surface of iron core is evenly arranged with several hot blast holes, is provided with fan in the cavity of iron core；Roll body
End is provided with louvre.
It is provided with standard specimen hole on top cover and several detect hole；Each detection hole is equal to the distance of top cap central, and all
Distance equal to standard specimen hole to top cap central；It is placed with standard temperature sensor in standard specimen hole, in each detection hole, all fixes setting
Putting a flexible fastening seat, temperature sensor to be measured is positioned in flexible fastening seat；Sidewall surrounding is provided with transparent windows, should
Graduation mark or spacing line it is provided with on transparent windows.
The sidewall of described roll body is provided with liquid medium chamber.
The surface-coated of described second sealing joint strip has silica gel investment precoat.
Each flexible fastening seat all includes outer circle and interior circle, and the circumference of described outer circle is the most uniformly offered
Having several the first circular array grooves radially, it is radiation that the circumference of described interior circle from inside to outside offers several
Second circular array groove of shape, each first circular array groove is respectively less than on equidirectional with the length of each second circular array groove
The thickness of guide way body, and the first circular array groove and the second circular array groove be staggered；Described each first circle
Row groove is equal with the length of each second circular array groove；All offer ring-type recessed on the both sides end face of described guide way body
Groove.
Each first circular array groove is equal to equidirectional upper guide way body with the length of each second circular array groove
Thickness 2/3rds.
After the present invention uses said structure, have the advantages that
The setting of the most above-mentioned electromagnetic induction roller, can economize on electricity more than 40%.
2. the design of aforesaid liquid dielectric cavity, when heating coils heat, generation alternating magnetic field around heating coil,
This action of a magnetic field when roll body can induced current form some little eddy current and cause roll body to generate heat therein, this heat can make
The liquid medium heating of liquid medium intracavity, the heat mixing that the heat distributed after liquid medium heating and roll body directly obtain,
Can effectively regulate the temperature of equilibrium roll body outer surface.
3. said fans and the setting in hot blast hole on iron core, on the one hand, iron core and heating coil can be lowered the temperature, make
Heat is discharged in the louvre of roll body, on the other hand, the heat stepless action again of iron core and heating coil can be made in roll body
Surface.When cooling, solenoid stops heating, and fan then can make iron core, heating coil and the equal fast cooling of roll body.
The most above-mentioned induction air inlet and the design of air draft pipeline, when sealing cavity and needing cooling, can seal cavity
Inside it is the formation of the air-supply structure of upper entering and lower leaving, had both avoided air inlet, the adjacent air flow shortcircuit phenomenon caused of air outlet, promote
Seal the cooling-down effect of cavity.
The most above-mentioned detection hole is equal to the distance of top cap central, and is equal to standard specimen hole to the distance of top cap central, thus
Detection hole can be made equal with the radial distance in standard specimen hole to top cap central, it addition, above-mentioned graduation mark or the setting of spacing line, can make
Standard temperature sensor is equal with temperature sensor to be measured distance in vertical direction so that standard temperature sensor with treat
Testing temperature sensor is positioned at identical temperature flow field, and test data are more accurately, reliably.
The setting of the most above-mentioned flexible fastening seat, adapts to the temperature sensor to be measured of different tube diameters, and need not additionally make
By fixing device, it is simple, convenient to install.
The most above-mentioned switching door and the setting of first and second sealing joint strip, due to the self character of sealing joint strip, will make friendship
Between connecing, packing is more uniformly distributed, and easily packing, the most readily replaceable after packing.The setting of the first sealing joint strip, will not be because of folding
Door frequently switch on action, and reduce the sealing property of detection device, thus extend the service life of sealing joint strip.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of temperature sensor calibrator (-ter) unit being easily installed and overhauling of the present invention.
Fig. 2 shows the sectional view of the temperature sensor calibrator (-ter) unit being easily installed and overhauling.
Fig. 3 shows the structural representation of top cover.
Fig. 4 shows the structural representation of flexible fastening seat.
Detailed description of the invention
The present invention is further detailed explanation with concrete better embodiment below in conjunction with the accompanying drawings.
As Figure 1-4, a kind of temperature sensor calibrator (-ter) unit being easily installed and overhauling, wherein have base 1, sidewall 2,
Graduation mark the 21, second sealing joint strip 22, switching door 23, top cover 3, standard specimen hole 31, standard temperature sensor 32, detection hole 33, treat
Testing temperature sensor 34, electromagnetic induction roller 4, roll body 41, louvre 411, liquid medium chamber 412, iron core 42, hot blast hole 421, add
Heat coil 43, fan 44, flexible fastening seat 5, guide way body 51, outer circle 52, interior circle the 53, first circular array groove 54,
Second circular array groove 55, air draft pipeline 6, the induction technical characteristics such as air inlet 7 and the first sealing joint strip 8.
A kind of temperature sensor calibrator (-ter) unit being easily installed and overhauling, including sealing cavity, this sealing cavity includes side
Wall, the base being coaxially disposed and top cover；Sidewall is all filled with the first sealing joint strip with the junction of base and sidewall and top cover.
Sidewall side is provided with switching door, and the surrounding of switching door is filled with the second sealing joint strip；The height of the second sealing joint strip
Degree is more than the height of the first sealing joint strip；The cross section of the first sealing joint strip and the second sealing joint strip is rectangle, the second fluid sealant
The ratio of width to height of bar is 2.5:1, and the ratio of width to height of the first sealing joint strip is 3.5:1.
Base is provided centrally with electromagnetic induction roller, and electromagnetic induction roller includes roll body, and one end of roll body is connected with base rotation,
The other end of roll body is rotationally connected with top cover；Roll body is built-in with the iron core of hollow, is positioned on its outer diameter of roll body and uniformly twines
Being wound with heating coil, the outer surface of iron core is evenly arranged with several hot blast holes, is provided with fan in the cavity of iron core；Roll body
End is provided with louvre.
It is provided with standard specimen hole on top cover and several detect hole；Each detection hole is equal to the distance of top cap central, and all
Distance equal to standard specimen hole to top cap central；It is placed with standard temperature sensor in standard specimen hole, in each detection hole, all fixes setting
Putting a flexible fastening seat, temperature sensor to be measured is positioned in flexible fastening seat；Sidewall surrounding is provided with transparent windows, should
Graduation mark or spacing line it is provided with on transparent windows.
The sidewall of described roll body is provided with liquid medium chamber.
The surface-coated of described second sealing joint strip has silica gel investment precoat.
Each flexible fastening seat all includes outer circle and interior circle, and the circumference of described outer circle is the most uniformly offered
Having several the first circular array grooves radially, it is radiation that the circumference of described interior circle from inside to outside offers several
Second circular array groove of shape, each first circular array groove is respectively less than on equidirectional with the length of each second circular array groove
The thickness of guide way body, and the first circular array groove and the second circular array groove be staggered；Described each first circle
Row groove is equal with the length of each second circular array groove；All offer ring-type recessed on the both sides end face of described guide way body
Groove.
Each first circular array groove is equal to equidirectional upper guide way body with the length of each second circular array groove
Thickness 2/3rds.
After the present invention uses said structure, have the advantages that
The setting of the most above-mentioned electromagnetic induction roller, can economize on electricity more than 40%.
2. the design of aforesaid liquid dielectric cavity, when heating coils heat, generation alternating magnetic field around heating coil,
This action of a magnetic field when roll body can induced current form some little eddy current and cause roll body to generate heat therein, this heat can make
The liquid medium heating of liquid medium intracavity, the heat mixing that the heat distributed after liquid medium heating and roll body directly obtain,
Can effectively regulate the temperature of equilibrium roll body outer surface.
3. said fans and the setting in hot blast hole on iron core, on the one hand, iron core and heating coil can be lowered the temperature, make
Heat is discharged in the louvre of roll body, on the other hand, the heat stepless action again of iron core and heating coil can be made in roll body
Surface.When cooling, solenoid stops heating, and fan then can make iron core, heating coil and the equal fast cooling of roll body.
The most above-mentioned induction air inlet and the design of air draft pipeline, when sealing cavity and needing cooling, can seal cavity
Inside it is the formation of the air-supply structure of upper entering and lower leaving, had both avoided air inlet, the adjacent air flow shortcircuit phenomenon caused of air outlet, promote
Seal the cooling-down effect of cavity.
The most above-mentioned detection hole is equal to the distance of top cap central, and is equal to standard specimen hole to the distance of top cap central, thus
Detection hole can be made equal with the radial distance in standard specimen hole to top cap central, it addition, above-mentioned graduation mark or the setting of spacing line, can make
Standard temperature sensor is equal with temperature sensor to be measured distance in vertical direction so that standard temperature sensor with treat
Testing temperature sensor is positioned at identical temperature flow field, and test data are more accurately, reliably.
The setting of the most above-mentioned flexible fastening seat, adapts to the temperature sensor to be measured of different tube diameters, and need not additionally make
By fixing device, it is simple, convenient to install.
The most above-mentioned switching door and the setting of first and second sealing joint strip, due to the self character of sealing joint strip, will make friendship
Between connecing, packing is more uniformly distributed, and easily packing, the most readily replaceable after packing.The setting of the first sealing joint strip, will not be because of folding
Door frequently switch on action, and reduce the sealing property of detection device, thus extend the service life of sealing joint strip.
The preferred embodiment of the present invention described in detail above, but, the present invention is not limited in above-mentioned embodiment
Detail, in the technology concept of the present invention, technical scheme can be carried out multiple equivalents, this
A little equivalents belong to protection scope of the present invention.
Claims (5)
1. the temperature sensor calibrator (-ter) unit that a kind is easily installed and overhauls, it is characterised in that: include sealing cavity, this annular seal space
Body includes sidewall, be coaxially disposed base and top cover；Sidewall is all filled with first with the junction of base and sidewall and top cover
Sealing joint strip；
Sidewall side is provided with switching door, and the surrounding of switching door is filled with the second sealing joint strip；The height of the second sealing joint strip is big
Height in the first sealing joint strip；The cross section of the first sealing joint strip and the second sealing joint strip is rectangle, the second sealing joint strip
The ratio of width to height is 2.5:1, and the ratio of width to height of the first sealing joint strip is 3.5:1；
Base is provided centrally with electromagnetic induction roller, and electromagnetic induction roller includes roll body, and one end of roll body is connected with base rotation, roll body
The other end be rotationally connected with top cover；Roll body is built-in with the iron core of hollow, and being positioned at uniform winding on its outer diameter of roll body has
Heating coil, the outer surface of iron core is evenly arranged with several hot blast holes, is provided with fan in the cavity of iron core；The end of roll body
It is provided with louvre；
It is provided with standard specimen hole on top cover and several detect hole；Each detection hole is equal to the distance of top cap central, and is equal to
Standard specimen hole is to the distance of top cap central；It is placed with standard temperature sensor in standard specimen hole, in each detection hole, is all fixedly installed one
Individual flexible fastening seat, temperature sensor to be measured is positioned in flexible fastening seat；Sidewall surrounding is provided with transparent windows, and this is transparent
Graduation mark or spacing line it is provided with on observation window.
The temperature sensor calibrator (-ter) unit being easily installed and overhauling the most according to claim 1, it is characterised in that: described roller
The sidewall of body is provided with liquid medium chamber.
The temperature sensor calibrator (-ter) unit being easily installed and overhauling the most according to claim 1, it is characterised in that: described
The surface-coated of two sealing joint strips has silica gel investment precoat.
The temperature sensor calibrator (-ter) unit being easily installed and overhauling the most according to claim 1, it is characterised in that: each bullet
Property is fixed seat and is all included outer circle and interior circle, and it is radiation that the circumference of described outer circle the most uniformly offers several
First circular array groove of shape, the circumference of described interior circle from inside to outside offers several the second circles radially
The length of row groove, each first circular array groove and each second circular array groove is respectively less than the thickness of equidirectional upper guide way body
Spend, and the first circular array groove and the second circular array groove are staggered；Described each first circular array groove and each second
The length of circular array groove is equal；Annular recess is all offered on the both sides end face of described guide way body.
The temperature sensor calibrator (-ter) unit being easily installed and overhauling the most according to claim 4, it is characterised in that: Mei Ge
The length of one circular array groove and each second circular array groove be equal to the thickness of equidirectional upper guide way body three/
Two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610604441.1A CN106017740A (en) | 2016-07-28 | 2016-07-28 | Temperature sensor calibration equipment convenient for installation and maintenance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610604441.1A CN106017740A (en) | 2016-07-28 | 2016-07-28 | Temperature sensor calibration equipment convenient for installation and maintenance |
Publications (1)
| Publication Number | Publication Date |
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| CN106017740A true CN106017740A (en) | 2016-10-12 |
Family
ID=57115413
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610604441.1A Pending CN106017740A (en) | 2016-07-28 | 2016-07-28 | Temperature sensor calibration equipment convenient for installation and maintenance |
Country Status (1)
| Country | Link |
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| CN (1) | CN106017740A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106482869A (en) * | 2016-11-17 | 2017-03-08 | 中国电子科技集团公司第四十研究所 | A kind of miniaturization distributed optical fiber temperature measurement caliberating device and scaling method |
| CN109974898A (en) * | 2019-05-08 | 2019-07-05 | 安徽省智慧产业研究院股份有限公司 | A kind of limiting temperature test simulation equipment of temperature sensor |
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| US20140153606A1 (en) * | 2012-12-05 | 2014-06-05 | Fluke Corporation | High temperature furnace having reconfigurable heater circuits |
| CN105353092A (en) * | 2015-11-30 | 2016-02-24 | 无锡拓能自动化科技有限公司 | Gas sensor calibrating container |
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| CN101354294A (en) * | 2008-09-08 | 2009-01-28 | 王长勋 | Cylinder-shaped air medium high temperature constant temperature bath |
| CN102095528A (en) * | 2010-12-07 | 2011-06-15 | 西华大学 | Temperature sensor calibration device |
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| CN106482869A (en) * | 2016-11-17 | 2017-03-08 | 中国电子科技集团公司第四十研究所 | A kind of miniaturization distributed optical fiber temperature measurement caliberating device and scaling method |
| CN109974898A (en) * | 2019-05-08 | 2019-07-05 | 安徽省智慧产业研究院股份有限公司 | A kind of limiting temperature test simulation equipment of temperature sensor |
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Application publication date: 20161012 |
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