CN208043314U - A kind of high temperature dynamic pressure transducer - Google Patents
A kind of high temperature dynamic pressure transducer Download PDFInfo
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- CN208043314U CN208043314U CN201820633775.6U CN201820633775U CN208043314U CN 208043314 U CN208043314 U CN 208043314U CN 201820633775 U CN201820633775 U CN 201820633775U CN 208043314 U CN208043314 U CN 208043314U
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- shell
- stainless steel
- aluminium alloy
- refractory ceramics
- high temperature
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Abstract
The utility model discloses a kind of high temperature dynamic pressure transducers, are related to art of pressure sensors.The utility model includes refractory ceramics shell；The outer side of refractory ceramics shell is fixedly connected with pressure guiding pipe；It is sliding combined with piston in the pipeline of pressure guiding pipe；The nested inside of refractory ceramics shell is equipped with aluminium alloy Stainless Steel Shell；A limiting slot is respectively offered in two opposed inner walls of aluminium alloy Stainless Steel Shell；The movable plate moved horizontally is connected between two limiting slots；The outer other side of refractory ceramics shell is fixedly connected with fixed pedestal.The utility model is by designing a kind of refractory ceramics shell; it is nested with aluminium alloy Stainless Steel Shell in shell; coordinate the slide construction of electromagnetic induction in aluminium alloy stainless steel case body; there is the copper electromagnetic protection cylinder of thermal insulation protection in electromagnetic induction device fit on; the occurrence of sensing caused by existing pressure sensor elastic element expanded by heating is not accurate is reduced, the imbalance of signal processing system and circuit caused by reducing when the temperature is excessively high.
Description
Technical field
The utility model belongs to art of pressure sensors, more particularly to a kind of high temperature dynamic pressure transducer.
Background technology
Pressure measurement under high temperature and high pressure environment is one of priority and difficulty of monitoring technology, and high-temp pressure sensor is industry
The most commonly used a kind of pressure transmitter in practice is widely used in various industrial automatic control environment, is related to petroleum pipeline, water conservancy
Water power, railway traffic, intelligent building, production automatic control, aerospace, military project, petrochemical industry, oil well, electric power, ship, lathe, pipeline are sent
Wind, boiler, numerous industries such as smelting furnace are very fine for the measurement request of pressure, the resistance to pressure suppressed of high performance high temperature resistant
Sensor is one of the key parameter reading device of these experiments.High-temp pressure sensor is right under high temperature environment in order to solve
Various gases, liquid pressure measure.It is mainly used for measuring boiler, pipeline, the pressure in pyroreaction container, underground pressure
The fields such as power and pressure in various engine cavity bodies, high temperature oil product liquid level and detection, oil well pressure-testing.
Currently, studying more high-temp pressure sensor mainly has SOS, SOI, SiO2, the semiconductor sensings such as Poly2Si
Device also sputters alloy firm high-temp pressure sensor.Wherein, SOS, SOI, SiO2, the semiconductor transducers such as Poly2Si are based on
Compact structure, temperature in use tall and big 300 degrees Celsius or higher are with the obvious advantage under high temperature and high pressure environment, still, SOS, SOI,
Lead degenerate problem restricts the bottleneck of its hot environment application under the semiconductor transducers hot environment such as SiO2, Poly2Si；Sputtering
Alloy firm high-temp pressure sensor output signal is small, while it is under high temperature environment, and elastic element has expansion and generates attached
The thermal stress of part affects the precision of alloy firm high-temp pressure sensor.Therefore, it studies and a kind of adapting to high temperature and high pressure environment
Dynamic pickup is of great significance to solve problem above.
Utility model content
The purpose of this utility model is to provide a kind of high temperature dynamic pressure transducers, by designing a kind of refractory ceramics shell
Body is nested with aluminium alloy Stainless Steel Shell in shell, and the slide construction of electromagnetic induction is coordinated in aluminium alloy stainless steel case body,
Electromagnetic induction device fit on has the copper electromagnetic protection cylinder of thermal insulation protection, in the one side mating band of aluminium alloy Stainless Steel Shell
It is not smart to solve sensing caused by existing pressure sensor elastic element expanded by heating for the fixed pedestal for having threaded mounting hole
Standard, when the temperature is excessively high caused by signal processing system and circuit imbalance.
In order to solve the above technical problems, the utility model is achieved through the following technical solutions：
The utility model is a kind of high temperature dynamic pressure transducer, including refractory ceramics shell；
The outer side of the refractory ceramics shell is fixedly connected with pressure guiding pipe, and one end of the pressure guiding pipe offers one and runs through
The outer surface in hole, the pressure guiding pipe is covered with silicon dioxide layer, and piston, the work are sliding combined in the pipeline of the pressure guiding pipe
Catheter pressure, the catheter pressure and through hole clearance fit are installed in plug；
The nested inside of the refractory ceramics shell is equipped with aluminium alloy Stainless Steel Shell；The aluminium alloy Stainless Steel Shell
Two opposed inner walls on respectively offer a limiting slot；It is connected with the movable plate moved horizontally between two limiting slots；The aluminium
Stainless steel alloy shell, which is located on the inner wall of pressure guiding pipe side, is vertically installed with two columns；It is socketed with spring on two columns
Pipe, one end of the bourdon tube is fixedly connected with the inner wall of the aluminium alloy Stainless Steel Shell positioned at pressure guiding pipe side, the bourdon tube
The other end be fixedly connected with movable plate；
One end of the piston is fixedly connected with movable plate, and the piston is located among two columns；
The outer other side of the refractory ceramics shell is fixedly connected with fixed pedestal；One surface loop winding of the fixed pedestal
It is equipped with a circle threaded mounting hole；
In the aluminium alloy stainless steel case body non-lead is vertically installed on the centre position of fixed pedestal side inner wall
Magnetic tubes of material is provided at least a pair of electrodes block on the inner wall of the non-magnet material pipe, is connected between two electrode blocks
Inductance coil, the inductance coil opening are consistent with non-magnet material pipe nozzle direction；
One is provided in the middle part of the movable plate to be horizontally disposed with and extend to the slide bar in fixed pedestal inner cavity, the slide bar
It is in non-magnet material pipe and consistent with movable plate direction of motion amplitude, a strip magnetizer is socketed on the slide bar,
The strip magnetizer is located in inductance coil.
Further, connect leaded on the electrode block, the lead extends in fixed pedestal inner cavity.
Further, the copper electromagnetic protection cylinder of a circle is provided on the aluminium alloy Stainless Steel Shell inner wall, it is described copper
Electromagnetic protection cylinder one end is fixed in aluminium alloy Stainless Steel Shell on the inner wall of fixed pedestal side, the non-magnet material
Pipe is located in copper electromagnetic protection cylinder, and the copper electromagnetic protection cylinder is highly consistent with non-magnet material pipe.
Further, the refractory ceramics shell is located among each threaded mounting hole.
Further, the length of the limiting slot is 20~30mm, and the width of the limiting slot is 5~15mm.
Further, the magnetizer is armature.
Further, the non-magnet material pipe is copper pipe.
The utility model has the advantages that：
1, the utility model is nested with aluminium alloy Stainless Steel Shell by a kind of refractory ceramics shell of design in shell,
Electromagnetic induction device fit on has the copper electromagnetic protection cylinder of thermal insulation protection, impulse tube outer surface to be covered with silicon dioxide layer, subtract
Sensing caused by small existing pressure sensor elastic element expanded by heating is not accurate, caused by reducing when the temperature is excessively high
The possibility of the imbalance of signal processing system and circuit improves the heat resistance of sensor and the efficiency of work and accuracy.
2, the utility model by aluminium alloy stainless steel case body coordinate electromagnetic induction slide construction, aluminium alloy not
Fixed pedestal of the one side cooperation with threaded mounting hole of rust steel sheel, improves the efficiency of the work of sensor and accurate journey
Degree, is fixed by fixed pedestal, enhances the structure of sensor and the stability of installation.
Certainly, any product for implementing the utility model does not necessarily require achieving all the advantages described above at the same time.
Description of the drawings
In order to illustrate more clearly of the technical solution of the utility model embodiment, make required for being described below to embodiment
Attached drawing is briefly described, it should be apparent that, the accompanying drawings in the following description is only some embodiments of the utility model,
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings
Other attached drawings.
Fig. 1 is a kind of structural schematic diagram of high temperature dynamic pressure transducer of the utility model；
In attached drawing, parts list represented by the reference numerals are as follows：
1- fixed pedestals, 2- pressure guiding pipes, 3- catheter pressures, 4- pistons, 5- refractory ceramics shells, 6- aluminium alloy stainless steel cases
Body, 7- movable plates, 8- limiting slots, 9- slide bars, 10- non-magnet material pipes, 11- strip magnetizers, the copper electromagnetic protections of 12-
Cylinder, 13- inductance coils, 14- leads, 15- electrode blocks, 16- columns, 17- bourdon tubes, 101- threaded mounting holes, 201- pipelines,
202- through holes.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts
The all other embodiment obtained, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be understood that term " side ", " one end ", " surface ", "outside", " interior
Indicating positions or the position relationship such as wall ", " one end ", " other end ", are merely for convenience of describing the present invention and simplifying the description,
It does not indicate or imply the indicated component or element must have a particular orientation, with specific azimuth configuration and operation, because
This should not be understood as limiting the present invention.
Refering to Figure 1, the utility model is a kind of high temperature dynamic pressure transducer, including refractory ceramics shell 5；
The appearance and size of refractory ceramics shell is 100*200mm, and 5 outer side of refractory ceramics shell is fixedly connected with pressure guiding pipe
2, one end of pressure guiding pipe 2 offers pass through aperture 202, and the outer surface of pressure guiding pipe 2 is covered with silicon dioxide layer, the pipe of pressure guiding pipe 2
It is sliding combined with piston 4 in road 201, catheter pressure 3 is installed in piston 4, catheter pressure is matched with 202 gap of through hole
It closes；
The nested inside of refractory ceramics shell 5 is equipped with aluminium alloy Stainless Steel Shell 6；The two of aluminium alloy Stainless Steel Shell 6
A limiting slot 8 is respectively offered in opposed inner walls；The movable plate 7 moved horizontally is connected between two limiting slots 8；Aluminium alloy stainless steel
Shell 6, which is located on the inner wall of 2 side of pressure guiding pipe, is vertically installed with two columns 16；It is socketed with bourdon tube 17, spring on two columns 16
One end of pipe 17 is fixedly connected with the inner wall of the aluminium alloy Stainless Steel Shell 6 positioned at 2 side of pressure guiding pipe, and the other end of bourdon tube 17 is solid
Surely movable plate 7 is connected, when the state at normal temperatures and pressures of bourdon tube 17, the equal length of length and column 16, the length of column 16
Degree is 20mm；
One end of piston 4 is fixedly connected with movable plate 7, and piston 4 is located among two columns 16；
The 5 outer other side of refractory ceramics shell is fixedly connected with fixed pedestal 1；One surface of fixed pedestal 1 is surrounded with
One circle threaded mounting hole 101；
It is vertically installed on the centre position of 1 side inner wall of fixed pedestal in aluminium alloy Stainless Steel Shell 6 non-magnetic
Tubes of material 10 is provided at least a pair of electrodes block 15 on the inner wall of non-magnet material pipe 10, electricity is connected between two electrode blocks 15
Feel coil 13, the opening of inductance coil 13 is consistent with 10 nozzle direction of non-magnet material pipe；
7 middle part of movable plate is provided with one and is horizontally disposed with and extends to the slide bar 9 in 1 inner cavity of fixed pedestal, and slide bar 9 is located at
It is in non-magnet material pipe 10 and consistent with 7 direction of motion amplitude of movable plate, a strip magnetizer 11 is socketed on slide bar 9, it is long
Bar shaped magnetizer 11 is located in inductance coil 13.
Wherein, leaded 14 are connected on electrode block 15, lead 14 extends in 1 inner cavity of fixed pedestal.
Wherein, the copper electromagnetic protection cylinder 12 of a circle, copper electromagnetic protection cylinder are provided on 6 inner wall of aluminium alloy Stainless Steel Shell
12 one end are fixed in aluminium alloy Stainless Steel Shell 6 on the inner wall of fixed pedestal side, and non-magnet material pipe 10 is located at copper
In matter electromagnetic protection cylinder 12, copper electromagnetic protection cylinder 12 is highly consistent with non-magnet material pipe 10, copper electromagnetic protection cylinder 12
Height be 30mm.
Wherein, refractory ceramics shell 5 is located among each threaded mounting hole 101.
Wherein, the length of limiting slot 8 is 30mm, and the width of limiting slot 8 is 10mm.
Wherein, magnetizer 11 is armature.
Wherein, non-magnet material pipe 10 is copper pipe.
In the description of this specification, the description of reference term " one embodiment ", " example ", " specific example " etc. means
Particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained in at least one of the utility model
In embodiment or example.In the present specification, schematic expression of the above terms be not necessarily referring to identical embodiment or
Example.Moreover, particular features, structures, materials, or characteristics described can be in any one or more embodiments or example
In can be combined in any suitable manner.
The preferred embodiment in the utility model disclosed above is only intended to help to illustrate the utility model.Preferred embodiment is simultaneously
There is no the details that detailed descriptionthe is all, does not limit the specific implementation mode that the utility model is only described yet.Obviously, according to this theory
The content of bright book can make many modifications and variations.These embodiments are chosen and specifically described to this specification, is in order to preferably
The principles of the present invention and practical application are explained, to enable skilled artisan to be best understood by and utilize this
Utility model.The utility model is limited only by the claims and their full scope and equivalents.
Claims (7)
1. a kind of high temperature dynamic pressure transducer, which is characterized in that including refractory ceramics shell（5）；
The refractory ceramics shell（5）Outer side is fixedly connected with pressure guiding pipe（2）, the pressure guiding pipe（2）One end offer one
Through hole（202）, the pressure guiding pipe（2）Outer surface be covered with silicon dioxide layer, the pressure guiding pipe（2）Pipeline（201）It is interior
It is sliding combined with piston（4）, the piston（4）In be installed with catheter pressure（3）, the catheter pressure and through hole
（202）Clearance fit；
The refractory ceramics shell（5）Nested inside aluminium alloy Stainless Steel Shell is installed（6）；The aluminium alloy stainless steel case
Body（6）Two opposed inner walls on respectively offer a limiting slot（8）；Two limiting slots（8）Between be connected with the work moved horizontally
Movable plate（7）；The aluminium alloy Stainless Steel Shell（6）Positioned at pressure guiding pipe（2）Two columns are vertically installed on the inner wall of side（16）；
Two columns（16）On be socketed with bourdon tube（17）, the bourdon tube（17）One end be fixedly connected positioned at pressure guiding pipe（2）One
The aluminium alloy Stainless Steel Shell of side（6）Inner wall, the bourdon tube（17）The other end be fixedly connected with movable plate（7）；
The piston（4）One end be fixedly connected with movable plate（7）, the piston（4）Positioned at two columns（16）It is intermediate；
The refractory ceramics shell（5）The outer other side is fixedly connected with fixed pedestal（1）；The fixed pedestal（1）A surface
It is surrounded with a circle threaded mounting hole（101）；
The aluminium alloy Stainless Steel Shell（6）It is interior to be located at fixed pedestal（1）It is vertically installed on the centre position of side inner wall non-
Permeability magnetic material pipe（10）, the non-magnet material pipe（10）Inner wall on be provided at least a pair of electrodes block（15）, two electricity
Pole block（15）Between be connected with inductance coil（13）, the inductance coil（13）Opening and non-magnet material pipe（10）Nozzle direction
Unanimously；
The movable plate（7）Middle part is provided with one and is horizontally disposed with and extends to fixed pedestal（1）Slide bar in inner cavity（9）, institute
State slide bar（9）Positioned at non-magnet material pipe（10）In and and movable plate（7）Direction of motion amplitude is consistent, the slide bar（9）Upper set
It is connected to a strip magnetizer（11）, the strip magnetizer（11）Positioned at inductance coil（13）In.
2. a kind of high temperature dynamic pressure transducer according to claim 1, which is characterized in that the electrode block（15）Upper company
It is connected to lead（14）, the lead（14）Extend to fixed pedestal（1）In inner cavity.
3. a kind of high temperature dynamic pressure transducer according to claim 1, which is characterized in that the aluminium alloy stainless steel case
Body（6）The copper electromagnetic protection cylinder of a circle is provided on inner wall（12）, the copper electromagnetic protection cylinder（12）One end is fixed on aluminium conjunction
Golden Stainless Steel Shell（6）In be located at fixed pedestal side inner wall on, the non-magnet material pipe（10）It is protected positioned at copper electromagnetism
Casing（12）In, the copper electromagnetic protection cylinder（12）With non-magnet material pipe（10）It is highly consistent.
4. a kind of high temperature dynamic pressure transducer according to claim 1, which is characterized in that the refractory ceramics shell
（5）Positioned at each threaded mounting hole（101）It is intermediate.
5. a kind of high temperature dynamic pressure transducer according to claim 1, which is characterized in that the limiting slot（8）Length
Degree is 20~30mm, the limiting slot（8）Width be 5~15mm.
6. a kind of high temperature dynamic pressure transducer according to claim 1, which is characterized in that the magnetizer（11）For rank
Iron.
7. a kind of high temperature dynamic pressure transducer according to claim 1, which is characterized in that the non-magnet material pipe
（10）For copper pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820633775.6U CN208043314U (en) | 2018-04-29 | 2018-04-29 | A kind of high temperature dynamic pressure transducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820633775.6U CN208043314U (en) | 2018-04-29 | 2018-04-29 | A kind of high temperature dynamic pressure transducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208043314U true CN208043314U (en) | 2018-11-02 |
Family
ID=63928222
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820633775.6U Active CN208043314U (en) | 2018-04-29 | 2018-04-29 | A kind of high temperature dynamic pressure transducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208043314U (en) |
-
2018
- 2018-04-29 CN CN201820633775.6U patent/CN208043314U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: High temperature dynamic pressure sensor Effective date of registration: 20191203 Granted publication date: 20181102 Pledgee: Bengbu Science and Technology Financing Guarantee Co., Ltd. Pledgor: Bengbu Dingli Electronic Technology Co., Ltd. Registration number: Y2019990000651 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20201202 Granted publication date: 20181102 Pledgee: Bengbu Science and Technology Financing Guarantee Co.,Ltd. Pledgor: BENGBU DINGLI ELECTRONIC TECHNOLOGY Co.,Ltd. Registration number: Y2019990000651 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A high temperature dynamic pressure sensor Effective date of registration: 20201214 Granted publication date: 20181102 Pledgee: Bengbu Science and Technology Financing Guarantee Co.,Ltd. Pledgor: BENGBU DINGLI ELECTRONIC TECHNOLOGY Co.,Ltd. Registration number: Y2020980009196 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20220105 Granted publication date: 20181102 Pledgee: Bengbu Science and Technology Financing Guarantee Co.,Ltd. Pledgor: BENGBU DINGLI ELECTRONIC TECHNOLOGY Co.,Ltd. Registration number: Y2020980009196 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right |