CN106595891A - Transient response high temperature sensor applied to complex environment - Google Patents
Transient response high temperature sensor applied to complex environment Download PDFInfo
- Publication number
- CN106595891A CN106595891A CN201611165350.9A CN201611165350A CN106595891A CN 106595891 A CN106595891 A CN 106595891A CN 201611165350 A CN201611165350 A CN 201611165350A CN 106595891 A CN106595891 A CN 106595891A
- Authority
- CN
- China
- Prior art keywords
- sealing
- plug
- tooling base
- pressure cap
- tool
- 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.)
- Pending
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K7/00—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements
- G01K7/02—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using thermoelectric elements, e.g. thermocouples
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/08—Protective devices, e.g. casings
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/08—Protective devices, e.g. casings
- G01K1/12—Protective devices, e.g. casings for preventing damage due to heat overloading
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K13/00—Thermometers specially adapted for specific purposes
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K7/00—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements
- G01K7/02—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using thermoelectric elements, e.g. thermocouples
- G01K7/023—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using thermoelectric elements, e.g. thermocouples provided with specially adapted connectors
Abstract
The invention discloses a transient response high temperature sensor applied to the complex environment. The sensor comprises a thermocouple and further comprises a tool foundation, a tool pressing cap and a sealing plug, wherein the tool foundation is provided with a mounting chamber and a joint, the joint is provided with connection thread, an inner chamber wall of the mounting chamber is provided with inner thread, the tool pressing cap is provided with outer thread in matching with the inner thread of the mounting chamber, the tool pressing cap is connected with an end wall of the tool foundation mounting chamber through the sealing plug, the joint of the tool foundation and the axis center position of the tool pressing cap are respectively fixed with high temperature resistance insulation ceramic tubes, and the thermocouple penetrates through the tool foundation, the tool pressing cap and an axis center of the sealing plug. The sensor is advantaged in that change of temperature in a gunpowder combustion process in a combustion gas generator can be truly measured, in matching with acquisition software, a real-time dynamic temperature curve can be formed, subsequent data analysis is covnenient, and the sensor further has properties of convenient dismounting, operation and use, simple structure, low manufacturing cost and repeated use.
Description
Technical field
The present invention relates to a kind of pyrostat for transient response in complex environment, belongs to weapon model measuring technology
Field.
Background technology
As the burning of gas generator stick can produce high pressure, high temperature in very short time in complex environment.In order to comment
Estimate the impact that gunpowder Dynamical flame and high temperature are brought to gas generator, need accurate measurement high temperature performance graph.Fire
It is millisecond rank that medicine is burned to up to maximum temperature, but high pressure resistant, the high temperature resistant sensor that are adopted both at home and abroad mostly are armoured type
Formula, typically disclosure satisfy that requirement in temperature upper limit measurement, but response time is slow, it is impossible to meets instantaneous measurement, and also exists
After cost intensive, Reusability the problems such as measurement effect difference.
The content of the invention
The technical problem to be solved in the present invention is：A kind of high temp sensitive for middle transient response in complex environment is provided
Device, can rapidly measure temperature dynamic change situation in gas generator, it is ensured that measurement in high pressure, the sealed environment of high temperature
The accuracy of relevant parameter, to solve the problems, such as prior art.
Technical scheme：A kind of pyrostat, including thermocouple, also including tooling base, frock pressure cap and
Sealing-plug, the tooling base are provided with installation cavity and union joint, are provided with connection screw thread, in installation cavity body on union joint
Cavity wall is provided with female thread, and the frock pressure cap is provided with the external screw thread matched with screw thread in installation cavity body, and the frock pressure cap leads to
Cross sealing-plug to be connected with tooling base installation cavity body end wall, in the shaft core position of the union joint and frock pressure cap of the tooling base
High-temperature insulation earthenware is respectively and fixedly provided with, the thermocouple runs through tooling base, frock pressure cap, sealing-plug axle center.
Hold in the tooling base installation cavity body and be provided with groove, be provided with and the recess in the sealing-plug bottom
Tongue.
Tongue junction adopts high temperature resistant silica gel sealing in the tooling base inner groovy and the sealing-plug.
The sealing-plug two ends are tapered portion, and the frock pressure cap being connected with the tapered portion, tooling base install cavity wall
Face is the tapered opening of matching.
The sealing-plug material is politef.
The aperture that thermocouple runs through on the sealing-plug is identical with thermoelectricity dual diameter.
Copper sheet is provided with the tooling base exit heat-insulated, and adopt high temperature resistant silica gel sealing.
High temperature resistant silica gel sealing is adopted in the frock pressure cap porch.
The thermocouple is W-Re pyrometer couple.
The present invention operation principle be：Deformation is produced by frock pressure cap and the mutual crush seal plug of tooling base, can
The impact of opposing high pressure.
Beneficial effects of the present invention：Compared with prior art, the present invention can be in 20Mpa pressure, 2500 DEG C of high temperature, electromagnetism
Work under the sealing state of interference, reach measurement maximum temperature transient response time and be about 200ms, when meeting powder burning rising
Between technical specification.The reasonable employment present invention can truly measure the change of temperature during powder burning inside gas generator
Situation, coordinates acquisition software form real time temperature performance graph, is easy to the analysis of follow-up data.The present invention also has assembly and disassembly behaviour
Make easy to use, simple structure, low manufacture cost, repeatedly used feature.
The present invention is to during the powder burning temperature survey of gas generator inside, can be used for stable state during powder burning, dynamic temperature
Degree measurement, coordinates pressure transducer, force value sensor measure gas generator working condition in real time, is easy to multiparameter same
Mutual analysis under moment state.
In addition, having further the advantage that in the present invention：1st, thermocouple adopts tooling base, frock pressure cap, sealing-plug phase
Axle center line position is installed, it can be ensured that thermocouple head will not scratch in installation process gas generator housing, cause to damage
It is bad；2nd, high-temperature insulation earthenware fixed inside tooling base and frock pressure cap can be fixed thermocouple and keep shaft core position,
Insulation the impact from external disturbance to thermocouple；3rd, the aperture on sealing-plug is consistent with focus dual diameter, it can be ensured that work as heat
Galvanic couple can be in close contact when passing through sealing-plug, reduce space, strengthen sealing；4th, in partial portion, especially in groove and convex
Groove location adopts high temperature resistant silica gel sealing, can strengthen sealing property and positioning function.
Description of the drawings
Fig. 1 is the overall structure diagram of the present invention；
Fig. 2 is the structural representation of tooling base in the present invention；
Fig. 3 is the structural representation of frock pressure cap in the present invention；
Fig. 4 is the structural representation of sealing-plug in the present invention；
In figure：1- thermocouples, 2- high-temperature insulation earthenwares, 3- tongues, 4- tooling bases, 5- grooves, 6- tapered openings, 7- cones
Shape portion, 8- union joints, 9- frock pressure cap external screw threads, 10- sealing-plugs aperture, 11- frock outlet at bottoms, 12- frock pressure cap entrances,
13- sealing-plugs, 14- frock pressure caps.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, the present invention is made into one below in conjunction with accompanying drawing
Step ground is described in detail.
Referring to figs. 1 to Fig. 4, pyrostat of the present invention, including thermocouple 1, tooling base 4, frock pressure cap 14 and sealing
Plug 13.
Sealing-plug 13 is made from politef material, and two ends are tapered portion 7, in its bottom, i.e. side tapered portion 7
The tongue 3 matched with aforementioned grooves is provided with, shaft core position is offered and 1 diameter identical sealing-plug of thermocouple on sealing-plug 13
Aperture aperture 10.
Installation cavity and union joint 8 are provided with tooling base 4, connection screw thread are provided with union joint 8, in union joint 8
Shaft core position is fixed with high-temperature insulation earthenware 2 using engagement thread, and cavity wall is provided with female thread in the installation cavity body, is installing
Cavity the inner is provided with the groove 5 for 13 position of fixing seal plug, and inner end wall has the taper matched with 13 tapered portion of sealing-plug 7
Opening 6.
Frock pressure cap external screw thread 9 is matched with screw thread in installation cavity body, adopts engagement thread in 14 shaft core position of frock pressure cap
High-temperature insulation earthenware 2 is fixed with, has the tapered opening 6 matched with 13 tapered portion of sealing-plug 7 in 14 inner end wall of frock pressure cap.
During installation, thermocouple 1 runs through tooling base 4, frock pressure cap 14,13 axle center of sealing-plug, and frock pressure cap 14 is by close
Blocking 13 is connected with 4 installation cavity body end wall of tooling base, is adopted with 3 junction of tongue in sealing-plug 13 in 4 inner groovy 5 of tooling base
High temperature resistant silica gel sealing is used, copper sheet is lined with 4 exit of tooling base heat-insulated, and adopt high temperature resistant silica gel sealing, in frock pressure
14 porch of cap adopts high temperature resistant silica gel sealing.
In the present invention, thermocouple 1 is W-Re pyrometer couple.
During work, it is connected with measurand by the connection screw thread on union joint 8, by through tooling base 4, frock
Pressure cap 14,1 positive and negative terminal of thermocouple in 13 axle center of sealing-plug realize the collection of data, by 4 phase of frock pressure cap 14 and tooling base
Mutually crush seal plug 13 produces deformation, can resist the impact of high pressure.
The above, the only specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, any
Those familiar with the art the invention discloses technical scope in, change or replacement can be readily occurred in, should all be contained
Cover within protection scope of the present invention, therefore, protection scope of the present invention should be defined by the scope of the claims.
Claims (9)
1. a kind of pyrostat, including thermocouple, it is characterised in that：Also include tooling base, frock pressure cap and sealing-plug, institute
State tooling base and be provided with installation cavity and union joint, connection screw thread is provided with union joint, cavity wall is provided with the installation cavity body
Female thread, the frock pressure cap are provided with the external screw thread matched with screw thread in installation cavity body, and the frock pressure cap passes through sealing-plug
It is connected with tooling base installation cavity body end wall, is respectively and fixedly provided with the shaft core position of the union joint and frock pressure cap of the tooling base
High-temperature insulation earthenware, the thermocouple run through tooling base, frock pressure cap, sealing-plug axle center.
2. pyrostat according to claim 1, it is characterised in that：Hold in the tooling base installation cavity body and be provided with
Groove, is provided with the tongue with the recess in the sealing-plug bottom.
3. pyrostat according to claim 2, it is characterised in that：In the tooling base inner groovy with sealing-plug
Tongue junction adopts high temperature resistant silica gel sealing.
4. pyrostat according to claim 1, it is characterised in that：The sealing-plug two ends are tapered portion, with the cone
Frock pressure cap that shape portion is connected, tooling base install the tapered opening that cavity wall face is matching.
5. pyrostat according to claim 1, it is characterised in that：The sealing-plug material is politef.
6. pyrostat according to claim 1, it is characterised in that：Thermocouple runs through on the sealing-plug aperture with
Thermoelectricity dual diameter is identical.
7. pyrostat according to claim 1, it is characterised in that：It is heat-insulated copper sheet to be provided with tooling base exit,
And adopt high temperature resistant silica gel sealing.
8. pyrostat according to claim 1, it is characterised in that：High temperature resistant silica gel is adopted in frock pressure cap porch
Sealing.
9. pyrostat according to claim 1, it is characterised in that：The thermocouple is W-Re pyrometer couple.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611165350.9A CN106595891A (en) | 2016-12-16 | 2016-12-16 | Transient response high temperature sensor applied to complex environment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611165350.9A CN106595891A (en) | 2016-12-16 | 2016-12-16 | Transient response high temperature sensor applied to complex environment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106595891A true CN106595891A (en) | 2017-04-26 |
Family
ID=58801876
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611165350.9A Pending CN106595891A (en) | 2016-12-16 | 2016-12-16 | Transient response high temperature sensor applied to complex environment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106595891A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106918402A (en) * | 2017-05-12 | 2017-07-04 | 新乡北方车辆仪表有限公司 | Miniaturization temperature sensor module and preparation method |
| CN108981945A (en) * | 2017-06-01 | 2018-12-11 | 日本特殊陶业株式会社 | Sensor |
| CN109443681A (en) * | 2018-10-19 | 2019-03-08 | 北京理工大学 | A kind of test splice suitable under high vacuum and high-temperature and high-pressure conditions |
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| CN102261961A (en) * | 2010-05-26 | 2011-11-30 | 中国航空工业集团公司沈阳发动机设计研究所 | Sensor capable of measuring surface temperature of inner wall of barrel |
| CN102818647A (en) * | 2012-08-13 | 2012-12-12 | 西安近代化学研究所 | Quick-response thermocouple resistant to transient-state high pressure of explosion field |
| CN203053599U (en) * | 2012-11-15 | 2013-07-10 | 浙江科强智能控制系统有限公司 | Melt temperature sensor having fast response characteristic under high temperature and high pressure |
| CN204214563U (en) * | 2014-10-28 | 2015-03-18 | 重庆材料研究院有限公司 | Heatproof, withstand voltage thermopair sealing and plugging device |
| CN206269937U (en) * | 2016-12-16 | 2017-06-20 | 贵州航天计量测试技术研究所 | A kind of pyrostat for transient response in complex environment |
-
2016
- 2016-12-16 CN CN201611165350.9A patent/CN106595891A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102261961A (en) * | 2010-05-26 | 2011-11-30 | 中国航空工业集团公司沈阳发动机设计研究所 | Sensor capable of measuring surface temperature of inner wall of barrel |
| CN102818647A (en) * | 2012-08-13 | 2012-12-12 | 西安近代化学研究所 | Quick-response thermocouple resistant to transient-state high pressure of explosion field |
| CN203053599U (en) * | 2012-11-15 | 2013-07-10 | 浙江科强智能控制系统有限公司 | Melt temperature sensor having fast response characteristic under high temperature and high pressure |
| CN204214563U (en) * | 2014-10-28 | 2015-03-18 | 重庆材料研究院有限公司 | Heatproof, withstand voltage thermopair sealing and plugging device |
| CN206269937U (en) * | 2016-12-16 | 2017-06-20 | 贵州航天计量测试技术研究所 | A kind of pyrostat for transient response in complex environment |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106918402A (en) * | 2017-05-12 | 2017-07-04 | 新乡北方车辆仪表有限公司 | Miniaturization temperature sensor module and preparation method |
| CN108981945A (en) * | 2017-06-01 | 2018-12-11 | 日本特殊陶业株式会社 | Sensor |
| CN108981945B (en) * | 2017-06-01 | 2021-06-18 | 日本特殊陶业株式会社 | Sensor with a sensor element |
| CN109443681A (en) * | 2018-10-19 | 2019-03-08 | 北京理工大学 | A kind of test splice suitable under high vacuum and high-temperature and high-pressure conditions |
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