CN110057460A - Multipoint thermocouple mounting assembly and multipoint thermocouple measuring device - Google Patents
Multipoint thermocouple mounting assembly and multipoint thermocouple measuring device Download PDFInfo
- Publication number
- CN110057460A CN110057460A CN201810046839.7A CN201810046839A CN110057460A CN 110057460 A CN110057460 A CN 110057460A CN 201810046839 A CN201810046839 A CN 201810046839A CN 110057460 A CN110057460 A CN 110057460A
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- seal
- mounting assembly
- installation pedestal
- loop bar
- multipoint thermocouple
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- 238000009434 installation Methods 0.000 claims abstract description 94
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 82
- 238000007789 sealing Methods 0.000 claims abstract description 59
- 239000000523 sample Substances 0.000 claims abstract description 51
- 238000012360 testing method Methods 0.000 claims abstract description 47
- 230000002093 peripheral effect Effects 0.000 claims abstract description 14
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 5
- 229910002804 graphite Inorganic materials 0.000 claims description 5
- 239000010439 graphite Substances 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 3
- 230000000712 assembly Effects 0.000 abstract 1
- 238000000429 assembly Methods 0.000 abstract 1
- 238000005259 measurement Methods 0.000 description 11
- 230000000694 effects Effects 0.000 description 6
- 239000007788 liquid Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 239000007770 graphite material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 230000003321 amplification Effects 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 239000003550 marker Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 230000005619 thermoelectricity Effects 0.000 description 1
Classifications
-
- 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
- G01K1/14—Supports; Fastening devices; Arrangements for mounting thermometers in particular locations
-
- 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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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Temperature Or Quantity Of Heat (AREA)
Abstract
The present invention provides a kind of multipoint thermocouple mounting assemblies, including loop bar (21), the loop bar (21) is for receiving multiple conducting wires (7) and fixing thermocouple probe (8), the mounting assembly further includes the installation pedestal (19) being set on loop bar (21), hermetic collar (16) and the sealing ring between installation pedestal (19) and hermetic collar (16), the installation pedestal (19) is configurable for being fixed on testing container (1), the hermetic collar (16) can be threadedly coupled with installation pedestal (19) so that the sealing ring is clamped on the outer peripheral surface of loop bar (21) when hermetic collar (16) is threadedly coupled with installation pedestal (19).The present invention also provides a kind of multipoint thermocouple measuring devices (2).Multipoint thermocouple mounting assembly according to the present invention has improved sealing performance, and can orient or adjust the direction of probe.
Description
Technical field
The present invention relates to measuring device technical fields, and in particular, to a kind of multipoint thermocouple mounting assembly and one kind
Multipoint thermocouple measuring device.
Background technique
Thermocouple is common temperature element in temperature measuring instrument, it can directly measure temperature, and temperature signal
It is converted into thermo-electromotive force signal, the temperature of measured medium is converted by electric meter.Thermocouple simple, manufacturer with structure
Just, many advantages, such as measurement range is wide, precision is high, inertia is small and output signal is convenient for remote transmission is widely used in measurement and holds
The temperature of gas or liquid in device or pipeline.When measurement application needs while measuring the temperature parameter of multiple positions or needs
When single location carries out many places measurement, multipoint thermocouple is commonly used.
Multipoint thermocouple measuring device generally includes multiple thermocouples, and interface module is arranged for each thermocouple and leads
Line, interface module are electrically connected with the conducting wire of each thermocouple, and the thermocouple is electrically connected to electronic equipment, thus to thermoelectricity
The electric signal occasionally generated is handled, to generate the temperature value for the local temperature for indicating measured point.Interface module includes plug,
In order to which multipoint thermocouple measuring device is electrically connected to electronic equipment by way of grafting.However, above-mentioned multipoint thermocouple
More conductor structures of measuring device propose challenge to the sealing installation of multipoint thermocouple.
In addition, traditional multipoint thermocouple measuring device not can guarantee the direction of probe, or even it can not know that probe is holding
The case where direction in device, there may be probes away from the position for needing to measure in extreme circumstances, this will bring serious survey
Lag issues are measured, and seriously affect measurement effect.In particular, needing to have the measuring probe of measuring device in certain applications
Specific be directed toward requires, such as when measuring the temperature field of jet stream injection in container, it is expected that each multipoint thermocouple measurement dress
Each thermocouple probe set is arranged both facing to nozzle exit area, thus, it is possible to accurately orient and adjust multipoint thermocouple measurement
The probe direction of device becomes very necessary.
Summary of the invention
It is an object of the invention at least partly overcome the deficiencies of existing technologies, a kind of multipoint thermocouple installation group is provided
Part can improve the sealing performance of multipoint thermocouple measuring device.
The object of the invention is also to provide a kind of can accurately be oriented under non-installation condition probe direction and
The multipoint thermocouple mounting assembly of the direction of probe can be adjusted under installation condition.
The object of the invention is also to provide a kind of multipoint thermocouple measuring device, with higher reliability and higher
Measurement accuracy.
In order to achieve the above objectives or the first purpose, technical solution of the invention are as follows:
A kind of multipoint thermocouple mounting assembly, including loop bar, the loop bar is for receiving multiple conducting wires and fixed thermocouple
Probe, the mounting assembly further include the installation pedestal being set on loop bar, hermetic collar and block between installation pedestal and sealing
Sealing ring between set, the installation pedestal are configurable for being fixed on testing container, and the hermetic collar can be with peace
Base thread connection is filled so that the sealing ring is clamped in the outer peripheral surface of loop bar when hermetic collar is threadedly coupled with installation pedestal
On.
According to a preferred embodiment of the present invention, the sealing ring includes piston ring and taper snap ring, the taper snap ring
There is different interior diameters on the both ends along the direction of loop bar, the installation pedestal has in the conical surface of taper snap ring
Surface；The piston ring is located at the biggish side of interior diameter of taper snap ring, and the diameter of the piston ring is larger less than interior diameter
One end interior diameter, the piston ring be configured as when hermetic collar is threadedly coupled with installation pedestal wedge taper snap ring in.
According to a preferred embodiment of the present invention, the mounting assembly further includes end cap, and the end cap is provide with installation group
One end of part.
According to a preferred embodiment of the present invention, the mounting assembly further includes additional cutting ferrule, the additional cutting ferrule with
One end of the separate thermocouple probe of loop bar is welded and fixed, and additional card set has hollow via-hole；Described hollow logical
First seal, second seal and the mid seal being clipped between first seal and second seal are provided in hole,
First seal, second seal and mid seal are respectively provided with the multiple holes passed through for multiple conducting wires；The wherein end
Cap is screwed in additional card and puts on so that first seal, mid seal and second seal are clamped in end cap and additional cutting ferrule
Between.
According to a preferred embodiment of the present invention, the mid seal is the sealing element made of graphite, and/or,
The first seal and second seal are sealing element made of metal.
According to a preferred embodiment of the present invention, the additional cutting ferrule is configured as being threadedly coupled with hermetic collar.
According to a preferred embodiment of the present invention, the end cap has opening portion, the stretching for conducting wire.
According to a preferred embodiment of the present invention, the loop bar includes multiple through-holes, and the multiple through-hole is configured as
Stretching for thermocouple probe.
According to a preferred embodiment of the present invention, the mounting assembly further includes gasket, and the gasket is for sealing peace
Fill the connection of pedestal and testing container.
According to another aspect of the present invention, a kind of multipoint thermocouple measuring device is provided, the multipoint thermocouple is surveyed
Measuring device includes foregoing multipoint thermocouple mounting assembly.
Multipoint thermocouple mounting assembly according to the present invention, including it is end cap, first seal, mid seal, second close
The components such as sealing, additional cutting ferrule, hermetic collar, piston ring, taper snap ring, installation pedestal, gasket and loop bar.Pass through these components
Combination realizes the sealing of different level, is explained in detail below.Firstly, multipoint thermocouple mounting assembly of the invention utilizes
Loop bar fixes thermocouple probe, and the conducting wire of thermocouple is stretched out from loop bar, connect with external interface module, interface module
Installation pedestal is first threadedly secured on testing container by connection acting thermocouple plug when being ready for thermometric, and in installation pedestal
Gasket is placed between testing container, it is possible thereby to the sealing of the first level be obtained, even if testing container and outside air seal.
Secondly, operation is welded with additional cutting ferrule in advance and fixes the loop bar of thermocouple probe and conducting wire, conducting wire is sequentially passed through
Second seal, mid seal and first seal, then sequentially by second seal, mid seal and first seal
Ground is placed in the hollow via-hole of additional cutting ferrule, then the upper end cap, and end cap is screwed tight and is fixed on additional card and puts on, end cap with it is attached
Add the fastening of cutting ferrule so that first seal and second seal tightly clamp mid seal, since mid seal use can
The graphite material of deformation is made, therefore mid seal tightly clamps conducting wire, i.e. the hole of mid seal is tightly bonded with conducting wire,
And three sealing element tensioners, in hollow via-hole, so that three sealing elements are close to the inner wall of hollow via-hole, this realizes second
The sealing of level, the i.e. gas in testing container or liquid can flow to additional cutting ferrule inside loop bar, but can not
, can not be by the gap between conducting wire and mid seal by the gap between intermediate throughholes and sealing element, thus it cannot
Leakage.Again, hermetic collar is screwed in additional card to put on, piston ring and conic clamp ring set is located on loop bar, then by end cap,
First seal, mid seal, second seal, additional cutting ferrule, hermetic collar and loop bar assembly (including piston ring and cone
Shape snap ring) it is protruded into testing container across aforementioned mounted installation pedestal, so that thermocouple probe protrudes into testing container
Designated position, and the direction of thermocouple probe is oriented, then hermetic collar is screwed in installation pedestal, in the process that spiral shell is solid
In, hermetic collar withstands piston ring, makes to utilize installation pedestal inner surface and hermetic collar and installation base in piston ring wedging taper snap ring
Clamping force between seat, piston ring and taper snap ring are clamped tightly between the outer peripheral surface of loop bar and the inner surface of installation pedestal, by
This realizes the sealing of third level, i.e., the gas or liquid in testing container can not outer peripheral surface by loop bar and installations
Gap leakage between the inner surface of pedestal.
It can be seen that the installation of TC component through the invention, is aided with sealing in the place that each may be revealed
Structure especially with first seal, mid seal (graphite), the structure of second seal and uses piston ring and taper
The structure of snap ring provides strong sealing, therefore the installation of TC component of the invention can improve multipoint thermocouple survey
Measure the sealing performance of device.
It should be noted that aforementioned additional cutting ferrule, hermetic collar and installation pedestal are all the structures that both ends all have screw thread,
Additional cutting ferrule both ends have external screw thread, and hermetic collar one end is internal screw thread, and the other end is external screw thread, and installation pedestal one end is interior
Screw thread, the other end are external screw thread.Under the installation condition of the installation of TC component, end cap is screwed tight with additional cutting ferrule, hermetic collar
It being screwed tight with installation pedestal, installation pedestal is screwed tight with testing container, but need not be screwed tight completely between additional cutting ferrule and hermetic collar,
This is because as previously mentioned, hermetic collar is to be screwed in additional cutting ferrule completely before aforementioned combinatorial body is inserted into testing container
On, but after aforementioned combinatorial body is inserted into testing container, operator is using spanner rotary seal cutting ferrule with by its spiral shell
Gu needing to remain stationary the component in assembly in addition to hermetic collar (because thus while operation in installation pedestal
When by the direction of thermocouple probe and external set), therefore as hermetic collar is screwed in installation pedestal, sealing card
Set is unclamped from additional card set gradually, and ideal state is after hermetic collar and installation pedestal connect, and hermetic collar is not
It is completely disengaged from additional card set, that is to say, that hermetic collar is connected to additional card and puts on but be not therebetween to screw tight completely
's.Such state has no effect on leakproofness, because the leakage along loop bar outer peripheral surface has passed through piston ring and taper snap ring is pressed down
System, so even there are gaps between the outer peripheral surface and hermetic collar of loop bar and between hermetic collar and additional cutting ferrule, also not
It will lead to leakage.
As previously mentioned, the direction of thermocouple probe can be oriented after aforementioned combinatorial body is inserted into testing container, and
And it can also be after mounting assembly installs, by unclamping the connection between hermetic collar and installation pedestal, before then rotating
It states assembly and adjusts the direction of thermocouple probe, therefore multipoint thermocouple mounting assembly of the invention can be in non-installation condition
The direction of lower accurate orientation probe, and the direction of probe is adjusted in the mounted state.
Multipoint thermocouple measuring device of the invention is by using aforementioned mounting assembly, so that leakproofness is improved, and
And thermocouple probe can be accurately oriented, therefore there is higher reliability and higher measurement accuracy.
Detailed description of the invention
Fig. 1 is according to the multipoint thermocouple measuring device of the embodiment of the present invention and the installation status diagram of testing container；
Fig. 2 is the general illustration according to the multipoint thermocouple mounting assembly of the embodiment of the present invention；
Fig. 3 is the decomposition section according to the multipoint thermocouple mounting assembly of the embodiment of the present invention；
Fig. 4 is the amplification of the end cap and additional cutting ferrule part according to the multipoint thermocouple mounting assembly of the embodiment of the present invention
Sectional view；And
Fig. 5 is the schematic diagram according to the container holder of the testing container of the embodiment of the present invention.
Specific embodiment
Detailed description of the present invention exemplary embodiment with reference to the accompanying drawing, wherein the same or similar label indicates phase
Same or similar element.In addition, in the following detailed description, to elaborate many concrete details to provide convenient for explaining
To the comprehensive understanding of present disclosure embodiment.It should be apparent, however, that one or more embodiments are not having the case where these details
Under can also be carried out.In other cases, well known construction and device is diagrammatically embodied to simplify attached drawing.
General plotting according to the present invention, provides a kind of multipoint thermocouple mounting assembly, including loop bar, and the loop bar is used
In receiving multiple conducting wires and fixed thermocouple probe, the mounting assembly further includes the installation pedestal being set on loop bar, sealing
Cutting ferrule and the sealing ring between installation pedestal and hermetic collar, the installation pedestal are configurable for being fixed on appearance to be measured
On device, the hermetic collar can be threadedly coupled so that described in when hermetic collar is threadedly coupled with installation pedestal with installation pedestal
Sealing ring is clamped on the outer peripheral surface of loop bar.
Fig. 1 is according to the multipoint thermocouple measuring device of the embodiment of the present invention and the installation status diagram of testing container, such as
Shown in Fig. 1, multipoint thermocouple measuring device 2 is installed on testing container 1, and shown testing container 1 has chamber wall and setting
Diffuser 3 at the top of chamber wall is equipped with spout 4 in the lower end of diffuser 3.Diffuser 3 is used to lead to such as steam from outside
Enter in testing container 1, testing container 1 is equably imported by 3 steam of diffuser, so as to reduce vibration and play noise reduction
Effect.It can be seen in FIG. 1 that periphery wall of the spout 4 towards testing container 1, therefore in order to more accurately obtain appearance to be measured
Parameter in device 1, advantageously, the thermocouple probe 8 of multipoint thermocouple measuring device 2 should be towards the spout 4.About multiple spot heat
Container holder 31 can be arranged, as shown in Figure 5, for accepting multiple spot in the installation of galvanic couple measuring device 2 on testing container 1
Thermocouple measurement device 2, container holder 31 can be welded in the wall surface of testing container 1, the multipoint thermocouple installation addressed below
Component is installed in container holder 31, specifically, mounting hole 32 is arranged at 31 center of container holder, the side wall of mounting hole 32 has spiral shell
Line portion 33, the installation pedestal 19 of aftermentioned multipoint thermocouple mounting assembly are exactly based on the threaded portion and are mounted in container holder 31
's.
In order to provide superior sealing effect and guarantee thermocouple probe 8 towards spout 4, the embodiment of the present invention is provided
Multipoint thermocouple mounting assembly include end cap 11, first seal 12, mid seal 13, second seal 14, additional card
Set 15, hermetic collar 16, piston ring 17, taper snap ring 18, installation pedestal 19, gasket 21 and loop bar 21, as Figure 2-3.In figure
It is also shown acting thermocouple plug 5, interface module 6, conducting wire 7 and thermocouple probe 8, wherein thermocouple probe 8 is connect with conducting wire 7, is led to
It crosses conducting wire 7 to spread out of the measuring signal of thermocouple probe 8,7 connecting interface component 6 of conducting wire, interface module 6 and acting thermocouple plug 5
Connection.For loop bar 21 for receiving multiple conducting wires 7 and fixed thermocouple probe 8, the loop bar 21 includes multiple through-holes, the multiple
Through-hole is configurable for the stretching of thermocouple probe 8.
Installation pedestal 19, hermetic collar 16 and the sealing ring between installation pedestal 19 and hermetic collar 16 are set in
On bar 21, the installation pedestal 19 is configurable for being fixed on testing container 1, such as is fixed on the container of testing container 1
On seat 31, it is equipped with external screw thread in one end of the close testing container 1 of installation pedestal 19, opposite one end is equipped with internal screw thread, equally
Ground, one end of the close testing container 1 of hermetic collar 16 are equipped with external screw thread, and opposite one end is equipped with internal screw thread, the sealing card
Set 16 can be threadedly coupled with installation pedestal 19 so that when hermetic collar 16 is threadedly coupled with installation pedestal 19 sealing ring
It is clamped on the outer peripheral surface of loop bar 21.In addition, the gasket 20 is arranged between installation pedestal 19 and testing container 1, for close
Seal the connection of installation pedestal 19 and testing container 1.
Specifically, the sealing ring includes piston ring 17 and taper snap ring 18, and taper snap ring 18 has conical butt profile,
It is hollow ring, and also in the form of a truncated cone, the taper snap ring 18 has not inner peripheral surface on the both ends in the direction along loop bar 21
With interior diameter, the installation pedestal 19 have against taper snap ring 18 the conical surface inner surface, such as with taper snap ring
The shape that the shape of 18 conical surface matches, against the conical surface；The interior diameter that the piston ring 17 is located at taper snap ring 18 is larger
Side, and the diameter of the piston ring 17 is less than the interior diameter of the biggish one end of interior diameter, and the piston ring 17 is configured as working as
It is wedged in taper snap ring 18 when hermetic collar 16 is threadedly coupled with installation pedestal 19.Wherein, piston ring 17 can be annulus, thickness
It is smaller, or may be the height truncated cone smaller than the height of taper snap ring 18, in this way, 17 He of piston ring alternatively
Taper snap ring 18 can be two truncated cones being mutually arranged.It, can by the design of above-mentioned piston ring 17 and taper snap ring 18
When so that hermetic collar 16 and installation pedestal 19 mutually screwing tight, they are fitted to each other, mutual extrusion and are also extruded and are close to
Between the inner surface and loop bar 21 of installation pedestal 19.
One end of the additional cutting ferrule 15 and the separate thermocouple probe 8 of loop bar 21 is welded and fixed, and the additional card
Set 15 has hollow via-hole；It is provided with first seal 12, second seal 14 in the hollow via-hole and to be clipped in first close
Mid seal 13 between sealing 12 and second seal 14, first seal 12, second seal 14 and mid seal
13 are respectively provided with the multiple holes passed through for multiple conducting wires 7；Wherein the end cap 11, which is screwed on additional cutting ferrule 15, makes first
Sealing element 12, mid seal 13 and second seal 14 are clamped between end cap 11 and additional cutting ferrule 15.The centre is close
Sealing 13 is the sealing element made of graphite, and/or, the first seal 12 and second seal 14 are made of metal
Sealing element.
It is equipped with external screw thread at the both ends of additional cutting ferrule 15, one end of additional cutting ferrule 15 is threadedly coupled with hermetic collar 16,
And the other end is threadedly coupled with end cap 11, so that the end cap 11 is provide with one end of mounting assembly.The end cap 11 has opening
Portion, the stretching for conducting wire 7.
Fig. 4 is the amplification of the end cap and additional cutting ferrule part according to the multipoint thermocouple mounting assembly of the embodiment of the present invention
Sectional view clearly shows end cap 11, first seal 12, mid seal 13, second seal 14 and additional card
The connection relationship of set 15, as shown, multiple conducting wires 7 pass through first seal 12, mid seal 13, second seal 14
Multiple holes, constrained by multiple holes, and first seal 12, mid seal 13, second seal 14 are clamped at and screw tight
Between end cap 11 together and additional cutting ferrule 15, since the mid seal 13 of graphite material can deform under extrusion,
Conducting wire 7 can be clamped and tight abutment is on the outer surface of the hollow via-hole of additional cutting ferrule 15, sealing structure is consequently formed.
It should be noted that for each component in multipoint thermocouple mounting assembly of the invention, in addition to mid seal
13 and gasket 12, other components can be made of metal material, such as be made of stainless steel.
In the following, described in conjunction with aforementioned structure the installation process of multipoint thermocouple mounting assembly of the invention, sealing effect and
Adjust the principle of the direction of thermocouple probe.
Multipoint thermocouple mounting assembly according to the present invention, including it is end cap, first seal, mid seal, second close
The components such as sealing, additional cutting ferrule, hermetic collar, piston ring, taper snap ring, installation pedestal, gasket and loop bar.Pass through these components
Combination realizes the sealing of different level, is explained in detail below.Firstly, multipoint thermocouple mounting assembly of the invention utilizes
Loop bar fixes thermocouple probe, and the conducting wire of thermocouple is stretched out from loop bar, connect with external interface module, interface module
Installation pedestal is first threadedly secured on testing container by connection acting thermocouple plug when being ready for thermometric, and in installation pedestal
Gasket is placed between testing container, it is possible thereby to the sealing of the first level be obtained, even if testing container and outside air seal.
Secondly, operation is welded with additional cutting ferrule in advance and fixes the loop bar of thermocouple probe and conducting wire, conducting wire is sequentially passed through
Second seal, mid seal and first seal, then sequentially by second seal, mid seal and first seal
Ground is placed in the hollow via-hole of additional cutting ferrule, then the upper end cap, and end cap is screwed tight and is fixed on additional card and puts on, end cap with it is attached
Add the fastening of cutting ferrule so that first seal and second seal tightly clamp mid seal, since mid seal use can
The graphite material of deformation is made, therefore mid seal tightly clamps conducting wire, i.e. the hole of mid seal is tightly bonded with conducting wire,
And three sealing element tensioners, in hollow via-hole, so that three sealing elements are close to the inner wall of hollow via-hole, this realizes second
The sealing of level, the i.e. gas in testing container or liquid can flow to additional cutting ferrule inside loop bar, but can not
, can not be by the gap between conducting wire and mid seal by the gap between intermediate throughholes and sealing element, thus it cannot
Leakage.Again, hermetic collar is screwed in additional card to put on, piston ring and conic clamp ring set is located on loop bar, then by end cap,
First seal, mid seal, second seal, additional cutting ferrule, hermetic collar and loop bar assembly (including piston ring and cone
Shape snap ring) it is protruded into testing container across aforementioned mounted installation pedestal, so that thermocouple probe protrudes into testing container
Designated position, and the direction of thermocouple probe is oriented, then hermetic collar is screwed in installation pedestal, in the process that spiral shell is solid
In, hermetic collar withstands piston ring, makes to utilize installation pedestal inner surface and hermetic collar and installation base in piston ring wedging taper snap ring
Clamping force between seat, piston ring and taper snap ring are clamped tightly between the outer peripheral surface of loop bar and the inner surface of installation pedestal, by
This realizes the sealing of third level, i.e., the gas or liquid in testing container can not outer peripheral surface by loop bar and installations
Gap leakage between the inner surface of pedestal.
It can be seen that the installation of TC component through the invention, is aided with sealing in the place that each may be revealed
Structure especially with first seal, mid seal (graphite), the structure of second seal and uses piston ring and taper
The structure of snap ring provides strong sealing, therefore the installation of TC component of the invention can improve multipoint thermocouple survey
Measure the sealing performance of device.
It should be noted that aforementioned additional cutting ferrule, hermetic collar and installation pedestal are all the structures that both ends all have screw thread,
Additional cutting ferrule both ends have external screw thread, and hermetic collar one end is internal screw thread, and the other end is external screw thread, and installation pedestal one end is interior
Screw thread, the other end are external screw thread.Under the installation condition of the installation of TC component, end cap is screwed tight with additional cutting ferrule, hermetic collar
It being screwed tight with installation pedestal, installation pedestal is screwed tight with testing container, but need not be screwed tight completely between additional cutting ferrule and hermetic collar,
This is because as previously mentioned, hermetic collar is to be screwed in additional cutting ferrule completely before aforementioned combinatorial body is inserted into testing container
On, but after aforementioned combinatorial body is inserted into testing container, operator is using spanner rotary seal cutting ferrule with by its spiral shell
Gu needing to remain stationary the component in assembly in addition to hermetic collar (because thus while operation in installation pedestal
When by the direction of thermocouple probe and external set), therefore as hermetic collar is screwed in installation pedestal, sealing card
Set is unclamped from additional card set gradually, and ideal state is after hermetic collar and installation pedestal connect, and hermetic collar is not
It is completely disengaged from additional card set, that is to say, that hermetic collar is connected to additional card and puts on but be not therebetween to screw tight completely
's.Such state has no effect on leakproofness, because the leakage along loop bar outer peripheral surface has passed through piston ring and taper snap ring is pressed down
System, so even there are gaps between the outer peripheral surface and hermetic collar of loop bar and between hermetic collar and additional cutting ferrule, also not
It will lead to leakage.
As previously mentioned, the direction of thermocouple probe can be oriented after aforementioned combinatorial body is inserted into testing container, and
And it can also be after mounting assembly installs, by unclamping the connection between hermetic collar and installation pedestal, before then rotating
It states assembly and adjusts the direction of thermocouple probe, therefore multipoint thermocouple mounting assembly of the invention can be in non-installation condition
The direction of lower accurate orientation probe, and the direction of probe is adjusted in the mounted state.
After the formation of aforementioned combinatorial body, in fact, thermocouple probe is solid relative to the position of end cap or additional cutting ferrule
Fixed, therefore, it can make on exposing end cap or additional card set outside testing container to mark, to indicate the court of thermocouple probe
To, it, can be by means of the direction of the marker recognition thermocouple probe after aforementioned combinatorial body is inserted into testing container, and it is based on this tune
The direction of whole thermocouple probe with expectation direction to coincide.
As to further improvement of the invention, designer is noticed based on aforementioned structure, multipoint thermocouple installation group
In the mounted state, add between cutting ferrule 15 and hermetic collar 16 is relative relaxation to part, i.e., non-fastening, in such case
Under, due to there is no pressing force to act on additional cutting ferrule 15 and hermetic collar 16, it adds cutting ferrule 15 and is easy the pine from end cap 11
It is de-, and hermetic collar 16 is easy to loosen from installation pedestal 19.To avoid this phenomenon, designer by additional cutting ferrule 15 with it is close
The appearance profile of envelope cutting ferrule 16 is designed to hex nut type, and the multipoint thermocouple mounting assembly of the embodiment of the present invention is also
Including the plastic clamp that a pair can dock, each clamp has the matched recess portion of shape with half of hex nut, exists in this way
After being installed, two clamps can be buckled in additional cutting ferrule 15 and 16 outside of hermetic collar, it is anti-using the moulding of hex nut
Cutting ferrule 15 and 16 relative rotation of hermetic collar are only added, so that additional cutting ferrule 15 is not easy to loosen with hermetic collar 16.
Further, multiple round grooves are provided on loop bar 21, the groove surrounds the circumference of loop bar 21,
And multiple circle grooves are spaced apart with constant spacing, and are each groove reference mark, can be covered with this in order to determine
The depth of the insertion testing container 1 of bar 21.
According to another aspect of the present invention, a kind of multipoint thermocouple measuring device 2 is provided, the multipoint thermocouple is surveyed
Measuring device 2 includes foregoing multipoint thermocouple mounting assembly.
Multipoint thermocouple measuring device of the invention is by using aforementioned mounting assembly, so that leakproofness is improved, and
And thermocouple probe can be accurately oriented, therefore there is higher reliability and higher measurement accuracy.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding can be changed these embodiments without departing from the principles and spirit of the present invention.Applicable model of the invention
It encloses and is defined by the appended claims and the equivalents thereof.
Reference signs list:
1 testing container
2 multipoint thermocouple measuring devices
3 diffusers
4 spouts
5 acting thermocouple plugs
6 interface modules
7 conducting wires
8 thermocouple probes
11 end caps
12 first seals
13 mid seals
14 second seals
15 additional cutting ferrules
16 hermetic collars
17 piston rings
18 taper snap rings
19 installation pedestals
20 gaskets
21 loop bars
31 container holders
32 mounting holes
33 threaded portions.
Claims (10)
1. a kind of multipoint thermocouple mounting assembly, including loop bar (21), the loop bar (21) is for receiving multiple conducting wires (7) and consolidating
Determine thermocouple probe (8), it is characterised in that:
The mounting assembly further include the installation pedestal (19) being set on loop bar (21), hermetic collar (16) and between installation base
Sealing ring between seat (19) and hermetic collar (16), the installation pedestal (19) are configurable for being fixed on testing container
(1) on, the hermetic collar (16) can be threadedly coupled so that when hermetic collar (16) and installation pedestal with installation pedestal (19)
(19) sealing ring is clamped on the outer peripheral surface of loop bar (21) when being threadedly coupled.
2. multipoint thermocouple mounting assembly according to claim 1, it is characterised in that:
The sealing ring includes piston ring (17) and taper snap ring (18), and the taper snap ring (18) is in the direction along loop bar (21)
There is different interior diameters, the installation pedestal (19) has the inner surface of the conical surface against taper snap ring (18) on both ends；
The piston ring (17) is located at the biggish side of interior diameter of taper snap ring (18), and the diameter of the piston ring (17) is less than
The interior diameter of the biggish one end of interior diameter, the piston ring (17) are configured as when hermetic collar (16) and installation pedestal (19) screw thread
It is wedged in taper snap ring (18) when connection.
3. multipoint thermocouple mounting assembly according to claim 2, it is characterised in that:
The mounting assembly further includes end cap (11), and the end cap (11) is provide with one end of mounting assembly.
4. multipoint thermocouple mounting assembly according to claim 3, it is characterised in that:
The mounting assembly further includes additional cutting ferrule (15), the separate thermocouple probe of the additional cutting ferrule (15) and loop bar (21)
(8) one end is welded and fixed, and the additional cutting ferrule (15) has hollow via-hole；
First seal (12), second seal (14) are provided in the hollow via-hole and be clipped in first seal (12) and
Mid seal (13) between second seal (14), first seal (12), second seal (14) and mid seal
(13) the multiple holes passed through for multiple conducting wires (7) are respectively provided with；
Wherein the end cap (11) is screwed on additional cutting ferrule (15) so that first seal (12), mid seal (13) and
Two sealing elements (14) are clamped between end cap (11) and additional cutting ferrule (15).
5. multipoint thermocouple mounting assembly according to claim 4, it is characterised in that:
The mid seal (13) is the sealing element made of graphite, and/or, the first seal (12) and the second sealing
Part (14) is sealing element made of metal.
6. multipoint thermocouple mounting assembly according to claim 4, it is characterised in that:
The additional cutting ferrule (15) is configured as being threadedly coupled with hermetic collar (16).
7. multipoint thermocouple mounting assembly according to claim 4, it is characterised in that:
The end cap (11) has opening portion, is used for the stretching of conducting wire (7).
8. multipoint thermocouple mounting assembly described in any one of -7 according to claim 1, it is characterised in that:
The loop bar (21) includes multiple through-holes, and the multiple through-hole is configurable for the stretching of thermocouple probe (8).
9. multipoint thermocouple mounting assembly described in any one of -7 according to claim 1, it is characterised in that:
The mounting assembly further includes gasket (20), and the gasket (20) is for sealing installation pedestal (19) and testing container (1)
Connection.
10. a kind of multipoint thermocouple measuring device (2), it is characterised in that: the multipoint thermocouple measuring device (2) includes as weighed
Benefit requires multipoint thermocouple mounting assembly described in any one of 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810046839.7A CN110057460A (en) | 2018-01-17 | 2018-01-17 | Multipoint thermocouple mounting assembly and multipoint thermocouple measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810046839.7A CN110057460A (en) | 2018-01-17 | 2018-01-17 | Multipoint thermocouple mounting assembly and multipoint thermocouple measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110057460A true CN110057460A (en) | 2019-07-26 |
Family
ID=67315498
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810046839.7A Pending CN110057460A (en) | 2018-01-17 | 2018-01-17 | Multipoint thermocouple mounting assembly and multipoint thermocouple measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110057460A (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113588108A (en) * | 2021-06-25 | 2021-11-02 | 西安交通大学 | High-temperature high-pressure multi-point temperature measuring device |
| CN113624354A (en) * | 2021-07-07 | 2021-11-09 | 哈尔滨工程大学 | Device for preventing thermocouple from flying out and self-compressing through casing and adjusting insertion depth |
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| CN113588108A (en) * | 2021-06-25 | 2021-11-02 | 西安交通大学 | High-temperature high-pressure multi-point temperature measuring device |
| CN113624354A (en) * | 2021-07-07 | 2021-11-09 | 哈尔滨工程大学 | Device for preventing thermocouple from flying out and self-compressing through casing and adjusting insertion depth |
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