CN206348089U - A kind of calibration of thermocouple heater - Google Patents
A kind of calibration of thermocouple heater Download PDFInfo
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- CN206348089U CN206348089U CN201621405273.5U CN201621405273U CN206348089U CN 206348089 U CN206348089 U CN 206348089U CN 201621405273 U CN201621405273 U CN 201621405273U CN 206348089 U CN206348089 U CN 206348089U
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- heater
- thermocouple
- calibration
- soaking block
- block
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Abstract
The utility model discloses a kind of calibration of thermocouple heater, including soaking block and heater, the heaters set is connected on the periphery of soaking block, high temperature resistant heat insulation layer is provided with the heater periphery, in the soaking block, along its it is axially arranged there are at least two to be used to accommodate the thermometer holes of thermocouple, the heater is by controlling cable to be connected with temperature regulating device.The utility model can make soaking block reach higher temperature in a short time, and ensure that the uniform temperature field of certain size, brand-new solution route is provided for thermocouple is quickly calibrated, the utility model overall structure is simple, it is easy for installation, compared with conventional thermocouple identification stove mode, it is fast with programming rate, calibration efficiency is high, programming rate is fast, calibration accuracy is high, the small advantage of the life consumption of thermocouple in verification process, the time of calibration and financial cost are lower, and different shape specification thermocouple can be adapted to by changing soaking block structure, the simple operation of special thermocouple is substantially improved.
Description
Technical field
The utility model belongs to calibration of thermocouple technical field, and more particularly to one kind is applicable to realize rapidly and efficiently school
The calibration of thermocouple of quasi- occasion high speed high uniformity heater.
Background technology
Traditional calibration of thermocouple method, i.e., calibrated using assay furnace, is primarily present following deficiency：1st, assay furnace heating speed
Degree is slow, and cooling leaks heat by body of heater, therefore causes sensor longevity of service in high temperature environments, and life consumption is big, reduction
Acceptable life；2nd, assay furnace chamber tubular structure, small-sized and special shape thermocouple sensor installation difficulty；3rd, assay calibration
Time cost it is higher.Therefore, not enough present in conventional calibration method to solve, this project is studied a set of calibration of thermocouple and used
High speed high uniformity heating component, to realize quick, the efficient calibration of thermocouple.
Utility model content
Goal of the invention of the present utility model is：For above-mentioned problem thermocouple can be realized there is provided a kind of
Quickly, the heater of efficient calibration.
What the technical solution of the utility model was realized in：A kind of calibration of thermocouple heater, it is characterised in that：
Including soaking block and heater, the heaters set is connected on the periphery of soaking block, and the heater periphery is provided with high temperature resistant
Thermal insulation layer, axially arranged has at least two to be used to accommodate the thermometer holes of thermocouple, the heater in the soaking block, along its
By controlling cable to be connected with temperature regulating device.
Calibration of thermocouple heater described in the utility model, its described heater is by heating part and terminal portions
It is grouped into, the periphery of soaking block is completely covered in the heating part of the heater, the terminal portion of the heater passes through control
Cable processed is connected with temperature regulating device.
Calibration of thermocouple heater described in the utility model, its described high temperature resistant heat insulation layer is made up of two parts,
A portion high temperature resistant heat insulation layer is arranged on the periphery of heater, and another part high temperature resistant heat insulation layer is arranged on the bottom of soaking block
Portion.
Calibration of thermocouple heater described in the utility model, its described soaking block uses high-temperature soldering with heater
Mode is assembled.
Calibration of thermocouple heater described in the utility model, it is provided with anti-in high temperature resistant heat insulation layer periphery
Shield, the control cable is connected after passing through protective cover with heater.
Calibration of thermocouple heater described in the utility model, its described soaking block uses carborundum or boron nitride material
Material is made.
Calibration of thermocouple heater described in the utility model, its described heater is using silicon nitride or nitridation aluminium
Material is made.
Calibration of thermocouple heater described in the utility model, its described high temperature resistant heat insulation layer uses alumina silicate or many
Crystal alumina fibrous material is made.
Calibration of thermocouple heater described in the utility model, its described soaking block is cylindrical structural, described to add
Hot device is the circular ring structure for being socketed in soaking block periphery, and at least two thermometer holes in the soaking block are using soaking block axle center in
The heart is evenly distributed on same circumference.
Calibration of thermocouple heater described in the utility model, its described soaking block is polygonized structure, described equal
The corresponding end face in the hot each side in block periphery is covered by corresponding heater, and multiple thermometer holes in the soaking block are with soaking block
It is evenly distributed on centered on axle center on same circumference.
The utility model can make soaking block reach higher temperature in a short time, and ensure that the uniform of certain size
Thermal field, which is that thermocouple is quickly calibrated, provides brand-new solution route, and the utility model overall structure is simple, easy for installation, with
Conventional thermocouple identification stove mode is compared, with programming rate is fast, calibration efficiency is high, programming rate is fast, calibration accuracy is high, inspection
The small advantage of the life consumption of thermocouple during fixed, the time of calibration and financial cost are lower, and can be by changing
Become soaking block structure to adapt to different shape specification thermocouple, the simple operation of special thermocouple is substantially improved.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of soaking block and heater in the utility model.
Marked in figure：1 is soaking block, and 2 be heater, and 2a is heating part, and 2b is terminal portion, 3 be high temperature resistant every
Thermosphere, 4 be thermometer hole, and 5 be control cable, and 6 be temperature regulating device, and 7 be protective cover.
Embodiment
Below in conjunction with the accompanying drawings, the utility model is described in detail.
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with accompanying drawing and implementation
Example, the utility model is further elaborated.It should be appreciated that specific embodiment described herein is only to explain this
Utility model, is not used to limit the utility model.
As illustrated in fig. 1 and 2, a kind of calibration of thermocouple heater, including soaking block 1 and heater 2, in the soaking
In block 1, along its it is axially arranged have at least two thermometer holes 4 for being used to accommodate thermocouple, the heater 2 is socketed in soaking block 1
Periphery, the soaking block 1 and heater 2 assembled using high-temperature soldering mode, the heater 2 by heating part 2a and
Terminal portion 2b is constituted, and the periphery of soaking block 1 is completely covered in the heating part 2a of the heater 2, outside the heater 2
High temperature resistant heat insulation layer 3 is provided with week, to reduce the power consumption of mounting tool and surrounding medium to heater, the resistance to height
Warm thermal insulation layer 3 is made up of two parts, and a portion high temperature resistant heat insulation layer 3 is arranged on the periphery of heater 2, the resistance to height of another part
Warm thermal insulation layer 3 is arranged on the bottom of soaking block 1, because heter temperature is higher, to ensure the processing safety during use,
3 periphery of high temperature resistant heat insulation layer are provided with protective cover 7, the terminal portion 2b of the heater 2 is by through protective cover 7
Control cable 5 be connected with temperature regulating device 6, object time and target temperature point are set by powerful temperature regulating device, with reference to
Internal temperature control algorithm, the power output of dynamic adjustment heater, realizes the programming rate and uniform temperature controllable precise of soaking block, from
And ensure in object time point to stablize in target temperature value while soaking block heating rate, be that calibration of thermocouple creates work
Make environment, by the function to heater model machine and performance test, as a result show that the heater programming rate is fast, samming effect
It is really good.
Wherein, the selection of soaking block 1 good thermal shock, the material of excellent thermal conductivity such as uses carborundum or nitridation
Boron material is made, and the heater 2 selects good thermal shock, and the material of excellent thermal conductivity such as uses silicon nitride or aluminium nitride
Material is made, the material of the selection with high thermal resistance resistance to elevated temperatures of high temperature resistant heat insulation layer 3, such as uses alumina silicate or polycrystalline oxygen
Change aluminosilicate fiber material to be made.
In the present embodiment, the soaking block 1 is polygonized structure, specially pentagon, and the periphery of soaking block 1 is each
The corresponding end face in side is covered by corresponding heater 2, that is, is provided with the number of thermometer hole 4 in five heaters, the soaking block 1
Amount is consistent with the side number of soaking block 1, i.e., the thermometer hole in described soaking block has five, and five thermometer holes 4 are with the axle center of soaking block 1
Centered on be evenly distributed on same circumference, to ensure condition and effect basic one that each thermometer hole on soaking block conducts heat
Cause, so as to ensure the accuracy of calibration.
As another embodiment, the soaking block 1 is cylindrical structural, and the heater 2 is to be socketed in outside soaking block 1
The circular ring structure in week, is not present at least two thermometrics in any gap, the soaking block 1 between the soaking block and heater
Hole 4 is evenly distributed on same circumference centered on the axle center of soaking block 1, to ensure the bar of each thermometer hole heat transfer on soaking block
Part and effect are basically identical, so as to ensure the accuracy of calibration.
Design object of the present utility model is：The thermometer hole of soaking block is in the time no more than 60 seconds from room temperature（20±5
℃）800 DEG C are reached, and is stabilized to after 800 DEG C, the temperature homogeneity in the long scopes of thermometer hole inwall 30mm is no more than 3 DEG C.
Application method of the present utility model is：Assembled in the way of Fig. 1 after heater, and correct line, set big
The target temperature of power temperature regulating device, object time value, start work, and timing, pass through the thermocouple being positioned in thermometer hole
Feedback understands that soaking block rises to 800 DEG C by room temperature during about 35s, continuous firing, during to 50s, and soaking deblocking temperature is 801.5 DEG C, is begun
It is maintained at eventually near 800 DEG C.After continuous heating 20 minutes, the error in reading between thermocouple is 2.5 DEG C.Result of the test shows,
Heater heating rate and uniform temperature are satisfied by desired design index.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
Any modifications, equivalent substitutions and improvements made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.
Claims (10)
1. a kind of calibration of thermocouple heater, it is characterised in that：Including soaking block（1）And heater（2）, the heater
（2）It is socketed in soaking block（1）Periphery, in the heater（2）Periphery is provided with high temperature resistant heat insulation layer（3）, in the soaking
Block（1）It is interior, axially arranged there are at least two to be used to accommodate the thermometer holes of thermocouple along its（4）, the heater（2）Pass through control
Cable（5）With temperature regulating device（6）Connection.
2. calibration of thermocouple heater according to claim 1, it is characterised in that：The heater（2）By heating
Part（2a）And terminal portion（2b）Composition, the heater（2）Heating part（2a）Soaking block is completely covered（1）It is outer
Week, the heater（2）Terminal portion（2b）By controlling cable（5）With temperature regulating device（6）Connection.
3. calibration of thermocouple heater according to claim 2, it is characterised in that：The high temperature resistant heat insulation layer（3）
It is made up of two parts, a portion high temperature resistant heat insulation layer（3）It is arranged on heater（2）Periphery, another part high temperature resistant every
Thermosphere（3）It is arranged on soaking block（1）Bottom.
4. calibration of thermocouple heater according to claim 1, it is characterised in that：The soaking block（1）With heating
Device（2）Assembled using high-temperature soldering mode.
5. calibration of thermocouple heater according to claim 1, it is characterised in that：In high temperature resistant heat insulation layer
（3）Periphery is provided with protective cover（7）, the control cable（5）Through protective cover（7）Afterwards with heater（2）Connection.
6. calibration of thermocouple heater according to claim 1, it is characterised in that：The soaking block（1）Using carbon
SiClx or boron nitride material are made.
7. calibration of thermocouple heater according to claim 1, it is characterised in that：The heater（2）Using nitrogen
SiClx or aluminium nitride material are made.
8. calibration of thermocouple heater according to claim 1, it is characterised in that：The high temperature resistant heat insulation layer（3）
It is made of alumina silicate or polycrystalline alumina fiber material.
9. calibration of thermocouple heater as claimed in any of claims 1 to 8, it is characterised in that：It is described equal
Hot block（1）For cylindrical structural, the heater（2）To be socketed in soaking block（1）The circular ring structure of periphery, the soaking block
（1）At least two interior thermometer holes（4）With soaking block（1）It is evenly distributed on centered on axle center on same circumference.
10. calibration of thermocouple heater as claimed in any of claims 1 to 8, it is characterised in that：It is described equal
Hot block（1）For polygonized structure, the soaking block（1）The corresponding end face in each side in periphery is by corresponding heater（2）Covering,
The soaking block（1）Interior multiple thermometer holes（4）With soaking block（1）It is evenly distributed on centered on axle center on same circumference.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621405273.5U CN206348089U (en) | 2016-12-21 | 2016-12-21 | A kind of calibration of thermocouple heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621405273.5U CN206348089U (en) | 2016-12-21 | 2016-12-21 | A kind of calibration of thermocouple heater |
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| Publication Number | Publication Date |
|---|---|
| CN206348089U true CN206348089U (en) | 2017-07-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201621405273.5U Active CN206348089U (en) | 2016-12-21 | 2016-12-21 | A kind of calibration of thermocouple heater |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106500878A (en) * | 2016-12-21 | 2017-03-15 | 四川航天计量测试研究所 | A kind of calibration of thermocouple heater |
| WO2019179229A1 (en) * | 2018-03-22 | 2019-09-26 | 北京康斯特仪表科技股份有限公司 | Method using dry block temperature calibrator to calibrate short temperature measuring apparatus |
-
2016
- 2016-12-21 CN CN201621405273.5U patent/CN206348089U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106500878A (en) * | 2016-12-21 | 2017-03-15 | 四川航天计量测试研究所 | A kind of calibration of thermocouple heater |
| WO2019179229A1 (en) * | 2018-03-22 | 2019-09-26 | 北京康斯特仪表科技股份有限公司 | Method using dry block temperature calibrator to calibrate short temperature measuring apparatus |
| CN110296773A (en) * | 2018-03-22 | 2019-10-01 | 北京康斯特仪表科技股份有限公司 | The method for calibrating short branch temperature measurement equipment using stem body temperature checker |
| CN110296773B (en) * | 2018-03-22 | 2020-11-03 | 北京康斯特仪表科技股份有限公司 | Method for calibrating short-branch temperature measuring equipment by using dry body temperature calibrator |
| US11733108B2 (en) | 2018-03-22 | 2023-08-22 | Beijing Const Instruments Technology Inc. | Method for calibrating short temperature measuring device using dry body temperature calibrator |
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