CN108181011A - A kind of fluid erosion prevention high life lifts multipoint acquisition formula thermocouple certainly - Google Patents
A kind of fluid erosion prevention high life lifts multipoint acquisition formula thermocouple certainly Download PDFInfo
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- CN108181011A CN108181011A CN201711294861.5A CN201711294861A CN108181011A CN 108181011 A CN108181011 A CN 108181011A CN 201711294861 A CN201711294861 A CN 201711294861A CN 108181011 A CN108181011 A CN 108181011A
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- Prior art keywords
- thermometric bar
- duct
- certainly
- gear nut
- lifts
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- 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
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- General Physics & Mathematics (AREA)
- Monitoring And Testing Of Nuclear Reactors (AREA)
Abstract
The invention discloses a kind of fluid erosion prevention high life to lift multipoint acquisition formula thermocouple certainly, including：Interconnecting device, terminal box and thermometric bar, wherein：Interconnecting device is internally provided with chamber, and the chamber interior is equipped with the gear nut, the driving gear engaged with gear nut and the actuating unit for driving gear to be driven to rotate of rotational installation；Interconnecting device is equipped with the duct of perforation chamber, and the axial line in the duct is overlapped with the axial line of gear nut；The outside of thermometric bar is equipped with external screw thread, and one end of thermometric bar is stretched into chamber by the one end in duct and across connect and fix, and thermometric bar and gear nut thread fitting with terminal box after gear nut；The side in thermometric pole length direction is equipped with protective plate, spacing is reserved between the protective plate and thermometric bar, and one end of protective plate is fixed with interconnecting device.The present invention can not only improve measurement accuracy, can also effectively extend its service life.
Description
Technical field
The present invention relates to electronic technology fields more particularly to a kind of fluid erosion prevention high life to lift multipoint acquisition formula thermoelectricity certainly
It is even.
Background technology
In industrial processes, temperature is one of important parameter that needs to measure and control.In temperature survey, thermoelectricity
Even application is extremely wide, it has simple in structure, easily manufactured, wide range of measurement, precision are high, inertia is small and output signal just
In the teletransmission many advantages, such as.However existing thermocouple structure be all it is fixed, can not automatic collection be different during thermometric again
The temperature value of the measured medium of depth, influences its measurement accuracy, and the substance surveyed by thermocouple is much all in flowing shape
State., can not be movable again since existing thermocouple is after installation, this so that always single side is situated between thermocouple during thermometric
Subflow momentum effect so as to which thermocouple be caused to be susceptible to bending or single side erosion problem, leads to its reduced service life.Urgently
It improves.
Invention content
Based on above-mentioned background technology, the present invention proposes that a kind of fluid erosion prevention high life adopts from multiple spot is lifted
Diversity thermocouple, to improve temperature measurement accuracy and extend its service life.
The present invention propose a kind of fluid erosion prevention high life from lift multipoint acquisition formula thermocouple, including：Interconnecting device, terminal box
With thermometric bar, wherein：
Interconnecting device is internally provided with chamber, and the chamber interior is equipped with the gear nut of rotational installation, is engaged with gear nut
Driving gear and for drive driving gear rotate actuating unit；Interconnecting device is equipped with the duct of perforation chamber, and the hole
The axial line in road is overlapped with the axial line of gear nut；
The outside of thermometric bar is equipped with external screw thread, and one end of thermometric bar is stretched into chamber by the one end in duct and passes through gear spiral shell
Imperial mother connect and fixes with terminal box, and thermometric bar and gear nut thread fitting；
The side in thermometric pole length direction is equipped with protective plate, spacing is reserved between the protective plate and thermometric bar, and anti-
One end of backplate is fixed with interconnecting device.
Preferably, side of the protective plate far from thermometric bar side is cambered surface, and the axial line of the cambered surface and thermometric bar are in the same direction
Extension.
Preferably, terminal box include main body and positioned at body side and with the fixed plug division of main body, the plug division is stretched
Enter in duct and be slidably matched with duct；Junction box is equipped with binding post；Thermometric bar includes temperature element and casing, on casing
Equipped with the external screw thread with gear nut thread fitting, one end of casing is stretched into chamber by the one end in duct and passes through gear nut
It is fixed afterwards with docking section；Temperature element is located in casing, and one end of temperature element is stretched into junction box and connected with binding post
It connects.
Preferably, casing includes the upper tube body and lower tube body arranged along its length, and the external screw thread is arranged on outside upper tube body
On circumferential surface, the peripheral surface of the lower tube body is smooth surface.
Preferably, lower tube body is in contact with upper tube body equipped with limiting plate, and limiting plate is equipped with close to switch, and when the limiting
Plate and interconnecting device against when, it is described to stop close to switch control driving mechanism action.
Preferably, binding post is located at the one end of plug division far from main body.
Preferably, it is slidingly sealed between plug division and duct.
In the present invention, pass through the gear nut that rotational installation is set in interconnecting device, the driving tooth engaged with gear nut
Wheel and the actuating unit for driving gear to be driven to rotate；By making thermometric bar and gear nut thread fitting, consolidate with terminal box
It is fixed, to drive thermometric bar and the synchronization lifting of terminal box using the rotation of gear nut spiral shell, to realize thermometric bar in measured medium
Interior insertion depth constantly changes, so that the thermocouple can acquire the temperature value of the medium under different depth, improves measurement essence
The purpose of degree；Meanwhile by setting protective plate in the side of thermometric bar, with using protective plate in the side of thermometric bar towards medium
The side of flow direction forms blocking, to avoid the direct shock temperature measurement bar of particle object in the measured medium and measured medium of flowing
On, the problem of causing the erosion of thermometric bar, be bent, so as to effectively extend the service life of the thermocouple.
Description of the drawings
Fig. 1 is a kind of structure diagram of the fluid erosion prevention high life proposed by the present invention from lifting multipoint acquisition formula thermocouple.
Specific embodiment
In the following, technical scheme of the present invention is described in detail by specific embodiment.
Lift the knot of multipoint acquisition formula thermocouple certainly as shown in FIG. 1, FIG. 1 is a kind of fluid erosion prevention high life proposed by the present invention
Structure schematic diagram.
With reference to Fig. 1, a kind of fluid erosion prevention high life that the embodiment of the present invention proposes from multipoint acquisition formula thermocouple is lifted, wraps
It includes：Interconnecting device 1, terminal box 2 and thermometric bar 3, wherein：Interconnecting device 1 is internally provided with chamber, and the chamber interior is equipped with rotational installation
Gear nut 5, the driving gear 6 that is engaged with gear nut 5 and the actuating unit 7 for driving gear 6 to be driven to rotate；Switching
Box 1 is equipped with the duct of perforation chamber, and the axial line in the duct is overlapped with the axial line of gear nut 5.
The outside of thermometric bar 3 is equipped with external screw thread, and one end of thermometric bar 3 is stretched into chamber by the one end in duct and passes through gear
It connect and fixes with terminal box 2 after nut 5, and thermometric bar 3 and 5 thread fitting of gear nut；The side of 3 length direction of thermometric bar
Equipped with protective plate 4, spacing is reserved between the protective plate 4 and thermometric bar 3, and one end of protective plate 4 is fixed with interconnecting device 1.
The present invention works in this way：By setting the gear nut 5 of rotational installation in interconnecting device, being nibbled with gear nut
The driving gear 6 of conjunction 5 and the actuating unit 7 for driving gear 6 to be driven to rotate；By making thermometric bar 3 and 5 screw thread of gear nut
Cooperation, is fixed with terminal box 2, to drive thermometric bar 3 and the synchronization lifting of terminal box 2 using the rotation of gear nut spiral shell 5, with reality
The existing insertion depth in measured medium of thermometric bar 3 constantly changes, so that the thermocouple can acquire the medium under different depth
Temperature value improves the purpose of measurement accuracy；Meanwhile by setting protective plate 4 in the side of thermometric bar 3, to utilize protective plate 4
Blocking is formed towards the side that medium flows in the side of thermometric bar 3, to avoid in the measured medium and measured medium of flowing
The direct shock temperature measurement bar 3 of particle object on, cause 3 erosion of thermometric bar, bending the problem of, so as to effectively extend the thermoelectricity
Even service life.
In addition, in the present embodiment, side of the protective plate 4 far from 3 side of thermometric bar is cambered surface, and the axial line of the cambered surface with
Thermometric bar extends in the same direction, with reduce resistance and make medium flowed into after the blocking of protective plate 4 slow down after can be flowed into protective plate 4
Thermometric bar 3 is coated between thermometric bar 3, so as to improve the thermometric progress of thermometric bar 3.
In the present embodiment, terminal box 2 include main body and positioned at body side and with the fixed plug division of main body, the grafting
Portion stretches into duct and is slidably matched, and be slidingly sealed between plug division and duct with duct；Terminal box 2 is internally provided with binding post
21；Thermometric bar 3 includes temperature element 31 and casing 32, and casing 32 is equipped with the external screw thread with 5 thread fitting of gear nut, casing
32 one end is stretched into chamber by the one end in duct and across being fixed with docking section after gear nut 5；Temperature element 31 is located at set
In pipe 32, and one end of temperature element 31 is stretched into 2 inside of terminal box and is connect with binding post 21, and the setting of the structure can improve
The compact and leakproofness assembled between terminal box 2, thermometric bar 3 and interconnecting device 1.
In the present embodiment, casing 32 includes the upper tube body and lower tube body arranged along its length, and the external screw thread is arranged on
On tube body peripheral surface, the peripheral surface of the lower tube body is smooth surface.And in the present embodiment, lower tube body is in contact with upper tube body equipped with limit
Position plate 8, limiting plate 8 are equipped with close to switch, and when the limiting plate 8 and interconnecting device 1 against when, it is described close to switch control driving
The action of mechanism 7 stops.
In the present embodiment, binding post 21 is located at the one end of plug division far from main body, to shorten temperature element 31 and wiring
Path between column 21.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (7)
1. a kind of fluid erosion prevention high life lifts multipoint acquisition formula thermocouple certainly, which is characterized in that including：Interconnecting device (1), terminal box
(2) and thermometric bar (3), wherein：
Interconnecting device (1) is internally provided with chamber, and the chamber interior is equipped with the gear nut (5) of rotational installation and gear nut (5)
The driving gear (6) of engagement and the actuating unit (7) for driving gear (6) to be driven to rotate；Interconnecting device (1) is equipped with lumen therethrough
The duct of room, and the axial line in the duct is overlapped with the axial line of gear nut (5)；
The outside of thermometric bar (3) is equipped with external screw thread, and one end of thermometric bar (3) is stretched into chamber by the one end in duct and passes through gear
Nut (5) connect and is fixed with terminal box (2) afterwards, and thermometric bar (3) and gear nut (5) thread fitting；
The side of thermometric bar (3) length direction is equipped with protective plate (4), between being reserved between the protective plate (4) and thermometric bar (3)
Away from, and one end of protective plate (4) and interconnecting device (1) are fixed.
2. the fluid erosion prevention high life according to claim 1 lifts multipoint acquisition formula thermocouple certainly, which is characterized in that protective plate
(4) side far from thermometric bar (3) side is cambered surface, and the axial line of the cambered surface is extended in the same direction with thermometric bar (3).
3. the fluid erosion prevention high life according to claim 1 lifts multipoint acquisition formula thermocouple certainly, which is characterized in that terminal box
(2) including main body and positioned at body side and with the fixed plug division of main body, the plug division is stretched into duct and is slided with duct
Dynamic cooperation；Terminal box (2) is internally provided with binding post (21)；Thermometric bar (3) includes temperature element (31) and casing (32), casing
(32) external screw thread with gear nut (5) thread fitting is equipped with, one end of casing (32) is stretched by the one end in duct in chamber
And it is fixed afterwards with docking section across gear nut (5)；Temperature element (31) is in casing (32), and the one of temperature element (31)
End is stretched into terminal box (2) inside and is connect with binding post (21).
4. the fluid erosion prevention high life according to claim 3 lifts multipoint acquisition formula thermocouple certainly, which is characterized in that casing
(32) including the upper tube body and lower tube body arranged along its length, the external screw thread is arranged on upper tube body peripheral surface, the down tube
The peripheral surface of body is smooth surface.
5. the fluid erosion prevention high life according to claim 3 lifts multipoint acquisition formula thermocouple certainly, which is characterized in that lower tube body
It is in contact with upper tube body equipped with limiting plate (8), limiting plate (8) is equipped with close to switch, and when the limiting plate (8) and interconnecting device
(1) against when, it is described close to switch control driving mechanism (7) act stop.
6. the fluid erosion prevention high life according to claim 3 lifts multipoint acquisition formula thermocouple certainly, which is characterized in that binding post
(21) positioned at the one end of plug division far from main body.
7. the fluid erosion prevention high life according to any one of claim 3-6 lifts multipoint acquisition formula thermocouple, feature certainly
It is, is slidingly sealed between plug division and duct.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711294861.5A CN108181011A (en) | 2017-12-08 | 2017-12-08 | A kind of fluid erosion prevention high life lifts multipoint acquisition formula thermocouple certainly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711294861.5A CN108181011A (en) | 2017-12-08 | 2017-12-08 | A kind of fluid erosion prevention high life lifts multipoint acquisition formula thermocouple certainly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108181011A true CN108181011A (en) | 2018-06-19 |
Family
ID=62545728
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711294861.5A Withdrawn CN108181011A (en) | 2017-12-08 | 2017-12-08 | A kind of fluid erosion prevention high life lifts multipoint acquisition formula thermocouple certainly |
Country Status (1)
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| CN (1) | CN108181011A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201289405Y (en) * | 2008-12-30 | 2009-08-12 | 乐清市伦特仪表有限公司 | Special-purpose thermoelectric couple for measurement of degradation and coking resistance of pyrolysis furnace COT |
| CN201514290U (en) * | 2009-10-09 | 2010-06-23 | 吴方立 | Anti-scour wear-resisting thermocouple for measuring cracking furnace COT |
| CN102305671A (en) * | 2011-07-21 | 2012-01-04 | 吴方立 | Wear-resisting thermoelectric couple used for catalytic cracking unit |
| CN102809439A (en) * | 2012-08-28 | 2012-12-05 | 昱成光能股份有限公司 | Adjustable temperature measuring device |
| CN106092353A (en) * | 2016-07-21 | 2016-11-09 | 安徽蓝润自动化仪表有限公司 | A kind of corrosion-resistant anti-fracture thermocouple |
| CN106568519A (en) * | 2016-11-07 | 2017-04-19 | 宁波精丰测控技术有限公司 | Heat-resisting ceramic-armored high-temperature thermocouple and manufacturing method thereof |
-
2017
- 2017-12-08 CN CN201711294861.5A patent/CN108181011A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201289405Y (en) * | 2008-12-30 | 2009-08-12 | 乐清市伦特仪表有限公司 | Special-purpose thermoelectric couple for measurement of degradation and coking resistance of pyrolysis furnace COT |
| CN201514290U (en) * | 2009-10-09 | 2010-06-23 | 吴方立 | Anti-scour wear-resisting thermocouple for measuring cracking furnace COT |
| CN102305671A (en) * | 2011-07-21 | 2012-01-04 | 吴方立 | Wear-resisting thermoelectric couple used for catalytic cracking unit |
| CN102809439A (en) * | 2012-08-28 | 2012-12-05 | 昱成光能股份有限公司 | Adjustable temperature measuring device |
| CN106092353A (en) * | 2016-07-21 | 2016-11-09 | 安徽蓝润自动化仪表有限公司 | A kind of corrosion-resistant anti-fracture thermocouple |
| CN106568519A (en) * | 2016-11-07 | 2017-04-19 | 宁波精丰测控技术有限公司 | Heat-resisting ceramic-armored high-temperature thermocouple and manufacturing method thereof |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180619 |