CN108562371B - Teleoperation multi-contact automatic butt joint structure used in radiation environment - Google Patents
Teleoperation multi-contact automatic butt joint structure used in radiation environment Download PDFInfo
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- CN108562371B CN108562371B CN201810235072.2A CN201810235072A CN108562371B CN 108562371 B CN108562371 B CN 108562371B CN 201810235072 A CN201810235072 A CN 201810235072A CN 108562371 B CN108562371 B CN 108562371B
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- 230000005855 radiation Effects 0.000 title claims abstract description 45
- 210000001503 joint Anatomy 0.000 title claims abstract description 21
- 239000004020 conductor Substances 0.000 claims description 62
- 239000000463 material Substances 0.000 claims description 17
- 238000003032 molecular docking Methods 0.000 claims description 14
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 13
- 229910002804 graphite Inorganic materials 0.000 claims description 13
- 239000010439 graphite Substances 0.000 claims description 13
- 230000006835 compression Effects 0.000 claims description 5
- 238000007906 compression Methods 0.000 claims description 5
- 229910000906 Bronze Inorganic materials 0.000 claims description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 4
- 239000010974 bronze Substances 0.000 claims description 4
- 229910010293 ceramic material Inorganic materials 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 claims description 4
- 238000013461 design Methods 0.000 abstract description 7
- 238000009434 installation Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- CNQCVBJFEGMYDW-UHFFFAOYSA-N lawrencium atom Chemical compound [Lr] CNQCVBJFEGMYDW-UHFFFAOYSA-N 0.000 description 2
- 230000000670 limiting effect Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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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
- 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
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- General Physics & Mathematics (AREA)
- Connector Housings Or Holding Contact Members (AREA)
- Measurement Of Radiation (AREA)
Abstract
The invention relates to the technical field of electrical devices, and discloses a teleoperation multi-contact automatic butt joint structure used in a radiation environment, which comprises an upper thermocouple assembly and a lower thermocouple assembly which are matched with each other, wherein the upper thermocouple assembly comprises an upper electrode, an insulating upper base, an elastic element, an upper thermocouple cable and an insulating upper pressing plate, the lower thermocouple assembly comprises a lower electrode, an insulating lower base, a lower thermocouple cable and an insulating lower pressing plate, the upper thermocouple assembly is arranged on a target plug-in unit, the lower thermocouple assembly is arranged on a target plug-in unit support, and the upper electrode and the lower electrode are electrically connected while the target plug-in unit is remotely arranged on the target plug-in unit support. The invention has simple structure and convenient assembly, effectively reduces the requirement of assembly precision, and realizes barrier-free electric connection of a plurality of thermocouple cables for measuring temperature in the upper assembly and the lower assembly by the structural design of the device.
Description
Technical Field
The invention relates to the technical field of electrical devices, in particular to a teleoperation multi-contact automatic butt joint structure used in a radiation environment.
Background
The target body plug-in system is one of important systems of China spallation neutron source items, is arranged in the center of a target station, and generates neutrons by receiving bombardment of high-energy proton beams.
In order to accurately grasp the temperature change condition of each time segment in the area, a plurality of groups of thermocouples for measuring the temperature are required to be introduced. However, the target insert is remotely mounted on the target insert support, and the problem of remote maintenance needs to be considered, how to lead the thermocouple cable on the target insert to the control room through the target insert support, so that a multi-contact electric connection structure which is convenient to remotely mount in a neutron source radiation environment needs to be designed.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a teleoperation multi-contact automatic butt joint structure used in a radiation environment, the device has a simple structure, is convenient to assemble, and effectively reduces the assembly precision requirement, and the design of the device structure enables a plurality of thermocouple cables for measuring temperature in an upper assembly and a lower assembly to realize barrier-free electric connection.
The technical scheme adopted by the invention for solving the technical problems is as follows:
the invention provides a teleoperation multi-contact automatic butt joint structure used in a radiation environment, which comprises an upper thermocouple assembly and a lower thermocouple assembly which are matched with each other; the thermocouple upper assembly is used for being installed on the target body plug-in unit, the thermocouple lower assembly is used for being installed on the target body plug-in unit support, and the upper electrode and the lower electrode are electrically connected while the target body plug-in unit is remotely installed on the target body plug-in unit support;
the thermocouple upper assembly comprises a plurality of upper electrodes, an insulating upper base, an elastic element, an upper thermocouple cable and an insulating upper pressure plate:
the upper electrode comprises an upper conductor and a lower conductor which is concentrically and fixedly connected below the upper conductor, the cross-sectional area of the lower conductor is larger than that of the upper conductor, and a through hole for connecting an upper thermocouple cable is further formed in the side surface of the lower conductor;
the insulating upper base is provided with a cavity correspondingly accommodating the lower conductor, the elastic element is arranged between the bottom of the cavity and the lower conductor, the insulating upper base is provided with threaded through holes for fixing the base and being in bolt connection with the insulating upper pressing plate at intervals along the edges of all sides, and two opposite side surfaces of the insulating upper base are also provided with slots for inserting the thermocouple cables;
one end of each upper thermocouple cable is connected into the through hole of the corresponding lower conductor, the other end of each upper thermocouple cable is led out through the corresponding open groove and then led into the control room through the target plug-in unit, and the number of the upper thermocouple cables is half of that of the upper electrodes;
the insulating upper pressing plate is provided with an opening which is in clearance fit with the upper conductor, the upper conductor penetrates through the opening and protrudes out of the surface of the insulating upper pressing plate, the cross-sectional area of the opening is smaller than that of the lower conductor, threaded through holes which are used for being connected with the insulating upper base through bolts are arranged at intervals along the edges of the insulating upper pressing plate, and the insulating upper pressing plate is used for fixing and pressing electrodes and plays an insulating role;
the thermocouple lower assembly comprises a lower electrode, an insulating lower base, a lower thermocouple cable and an insulating lower pressing plate:
the lower electrodes and the upper electrodes have the same structure and the same quantity, and the distribution positions of the lower insulating base correspond to the positions of the upper electrodes on the upper insulating base one by one;
the lower insulating base and the lower insulating pressing plate are respectively identical in structure with the upper insulating base and the upper insulating pressing plate, a lower conductor in the lower electrode structure is directly connected with a cavity arranged on the lower insulating base, and an upper conductor in the lower electrode structure penetrates through an opening formed in the lower insulating pressing plate and is flush with the plate surface;
one end of the lower thermocouple cable is connected into a through hole formed in a lower conductor of the lower electrode structure, and the other end of the lower thermocouple cable is led into a target plug-in unit support through a groove formed in the side face of the insulating lower base and used for measuring the temperature of the center of the target station.
Preferably, the elastic member is one of a cylindrical helical compression spring, a wave spring, a belleville spring, and flexible graphite. The use of the elastic member can prevent the contact of other electrodes from being adversely affected by the contact of a single electrode.
Preferably, the flexible graphite has radiation resistance and density of 1.4g/cm3、1.5g/cm3、1.6g/cm3One kind of (1). The graphite with the parameters is determined by a plurality of tests, has good compression resilience and high strength, also has good corrosion resistance, radiation resistance and high and low temperature resistance, and can well play a role in compensating the size.
Preferably, the insulating upper base, the insulating upper pressing plate, the insulating lower base and the insulating lower pressing plate are all made of ceramic materials. The ceramic material not only can meet the insulation requirement, but also is convenient to process and has better radiation resistance.
Preferably, the upper and lower conductors in the upper and lower electrode structures are both cylindrical; the lower electrode is made of phosphor bronze material with higher hardness and good conductivity; the upper electrode is made of a purple copper material with better conductivity. Each electrode of the upper electrode assembly is provided with an elastic element, so that the upper electrode is made of red copper material with better conductivity, and the lower electrode is fixedly arranged on the insulating lower base and made of phosphor bronze material with higher hardness due to bearing certain pressure.
Preferably, the cross-sectional area of the upper conductor in the upper electrode structure is smaller than the cross-sectional area of the upper conductor in the lower electrode structure. Such an arrangement can effectively reduce assembly accuracy requirements.
Preferably, the number of the upper electrodes and the number of the lower electrodes are respectively 12, and the upper electrodes and the lower electrodes are respectively and uniformly arranged on the insulating upper base and the insulating lower base in two rows. The number can meet the requirement of the number of groups of measured data, the specification and the size of the upper and lower insulating bases can be fully utilized, and the requirement of the structural cost is also considered.
Preferably, the number of the upper thermocouple cable and the lower thermocouple cable is respectively 6, and the hot end and the cold end of each cable package in the upper thermocouple cable and the lower thermocouple cable are respectively connected to two adjacent electrodes in the same column. The cable of the design has definite trend and is not easy to interfere with each other.
Preferably, the sheath materials of the upper and lower thermocouple cables are made of radiation-proof materials. The radiation-proof material can effectively prolong the service life of the device in a high-radiation environment.
Preferably, the upper conductor in the upper electrode structure passes through the opening and protrudes out of the surface of the insulating upper pressing plate by a height of 1-2 mm. This height takes into account the sensitivity of the contact and the deformation parameters of the elastic element.
Compared with the prior art, the invention has the following beneficial effects:
(1) the teleoperation multi-contact automatic butt joint structure used in the radiation environment is reasonable in structural design, strong in pertinence, low in investment cost, high in reliability and wide in application range, multi-contact electric connection is achieved through the arrangement of the upper electrode and the lower electrode, so that the connection reliability is guaranteed, and in addition, the effect of introducing multi-channel measurement temperature signals and reducing measurement errors can be achieved.
(2) The upper electrode and the lower electrode in the teleoperation multi-contact automatic butt joint structure used in the radiation environment are reasonable in design, the contact surfaces of the two electrodes are one large and one small, the assembly precision requirement is effectively reduced, in addition, the upper electrode and the lower electrode are both designed by adopting the upper conductor and the lower conductor and are matched with the opening on the upper pressing plate, the limiting effect is achieved, the excessive displacement of the electrodes is prevented, and meanwhile, the through holes arranged at the lower parts of the electrodes are convenient for the installation of thermocouple cables.
(3) The elastic element is arranged between the cavity of the upper electrode and the insulating upper base of the teleoperation multi-contact automatic butt joint structure used in the radiation environment, so that the requirement of good electric contact of the multi-contact electric connection in the limited space in the radiation environment within the assembling error range of the target body plug-in and the target body plug-in support can be met, and effective compensation can be performed.
(4) The electric connections of the upper thermocouple assembly in the teleoperation multi-contact automatic butt joint structure used in the radiation environment are insulated from each other, integrally insulated from the target body and integrally installed, the electric connections of the lower thermocouple assembly are insulated from each other, and integrally insulated from the target body plug-in support and integrally installed, and the effect of simple and rapid installation can be achieved.
(5) According to the teleoperation multi-contact automatic butt joint structure used in the radiation environment, the upper and lower components of the thermocouple are designed in a mode of adding the cover plate to the base, the structure is simple, the assembly is convenient, meanwhile, the multi-contact electric connection is realized, the structure is compact, the occupied space is small, the electric connection mode is convenient to install remotely, the radiation danger is avoided, and the remote maintenance is facilitated.
(6) The upper electrode and the lower electrode of the teleoperation multi-contact automatic butt joint structure used in the radiation environment are different in materials according to different structures, double-parameter selection of conductivity and hardness is considered, and stable, rapid and accurate transmission of electrical parameters is guaranteed to the maximum extent.
(7) The elastic element of the teleoperation multi-contact automatic butt joint structure used in the radiation environment comprises one of a cylindrical spiral compression spring, a wave spring, a belleville spring and flexible graphite, particularly preferably a flexible graphite rod is used as a material of the elastic element used in multi-contact electric connection, and related structures and sizes are designed; the flexible graphite is installed between insulating base and electrode, plays the effect of compensation size in the use, and it has good corrosion resistance, radiation resistance, resistant high/low temperature and good compression resilience and high strength nature, and flexible graphite design is the slim rod type in addition, and the occupation space is little, and its shaping is simple, simple to operate, confirms density and the length of the flexible graphite rod of chooseing for use elastic element through the experiment.
(8) The teleoperation multi-contact automatic butt-joint structure used in the radiation environment selects 12 upper electrodes and 12 lower electrodes through multiple practical experiences, is uniformly arranged in two rows, meets the requirement of multiple measured temperature data, fully utilizes the areas of the insulating upper base and the insulating lower base, and controls the cost.
(9) The invention discloses a remote operation multi-contact automatic butt joint structure used in a radiation environment, which is divided into an upper component and a lower component, wherein the upper component of a thermocouple is arranged on a target plug-in unit, the lower component of the thermocouple is arranged on a target plug-in unit support, an elastic electrode is arranged on the upper component, and a fixed electrode is arranged on the lower component.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a schematic diagram of an upper thermocouple assembly for a teleoperated multi-contact automatic docking structure in a radiation environment according to the present invention;
FIG. 2 is a schematic diagram of the structure of the upper insulating base in the upper thermocouple assembly of the remote-operated multi-contact automatic docking structure for use in a radiation environment according to the present invention;
FIG. 3 is a schematic diagram illustrating the connection of an upper electrode and an upper thermocouple cable in an upper assembly of a thermocouple for a teleoperated multi-contact automatic docking structure in a radiation environment according to the present invention;
FIG. 4 is a schematic view of the structure of an upper insulating pressing plate in an upper thermocouple assembly for a teleoperated multi-contact automatic docking structure in a radiation environment according to the present invention;
FIG. 5 is a sectional view showing the installation of the upper electrode and the insulating upper base in the upper thermocouple assembly for a remote-operated multi-contact automatic docking structure in a radiation environment according to the present invention;
FIG. 6 is an assembled view of the upper assembly of the thermocouple for a teleoperated multi-contact automatic docking structure in a radiation environment according to the present invention;
FIG. 7 is a schematic diagram of the upper electrode structure of the upper thermocouple assembly for a teleoperated multi-contact automatic docking structure in a radiation environment according to the present invention;
FIG. 8 is a view showing the external appearance of the sub-thermocouple assembly of the teleoperated multi-contact automatic docking structure for use in a radiation environment according to the present invention;
FIG. 9 is a schematic diagram of a lower electrode structure of a thermocouple lower assembly for a teleoperated multi-contact automatic docking structure in a radiation environment according to the present invention;
FIG. 10 is a sectional view showing the installation of the lower electrode and the insulating lower base in the thermocouple lower assembly for the remote operation multi-contact automatic docking structure in a radiation environment according to the present invention;
fig. 11 is an assembly view of a sub-thermocouple assembly for a teleoperated multi-contact automatic docking structure in a radiation environment according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1-11, the present invention provides a remote-operated multi-contact automatic docking structure for radiation environment, which comprises an upper thermocouple assembly 1 and a lower thermocouple assembly 2, which are used in cooperation with each other;
wherein the upper thermocouple assembly 1 includes an upper electrode 101, an insulating upper base 102, an elastic member 103, an upper thermocouple cable 104, and an insulating upper pressure plate 105:
in this embodiment, the upper electrode 101 includes two conductors made of conductive materials fixedly connected up and down, the cross-sectional area of the lower conductor 1011 is larger than that of the upper conductor 1012, and the side of the lower conductor is further provided with a through hole 1013 for connecting the upper thermocouple cable 104;
the middle position of the upper surface of the insulating upper base 102 is equidistantly provided with a cavity 1021 for accommodating the lower electric conductor 1011, the elastic element is arranged between the bottom of the cavity 1021 and the lower electric conductor 1011, meanwhile, the insulating upper base 102 is provided with threaded through holes 1022 for being in bolted connection with a target insert and the insulating upper pressure plate 105 at intervals along the edge of each side, and the opposite two sides of the insulating upper base 102 are also provided with grooves 1023 for inserting the thermocouple cables 104;
one end of the upper thermocouple cables 104 is connected into the through hole 1013 of the lower conductor 1011, and the other end is introduced into the target plug-in unit through the slot 1023 and then introduced into the control room, wherein the number of the upper thermocouple cables 104 is half of the number of the upper electrodes 101;
the middle position of the insulating upper pressing plate 105 is equidistantly provided with openings 1051 in clearance fit with the upper conductors 1012, the upper conductors 1012 pass through the openings 1051 and protrude out of the surface of the insulating upper pressing plate 105, the cross-sectional area of the openings 1051 is smaller than that of the lower conductors 1011, the insulating upper pressing plate 105 is provided with threaded through holes 1052 at intervals along the edges of each side for being connected with the insulating upper base 102 through bolts, and the insulating upper pressing plate 105 is used for fixedly pressing the upper electrode 101 and playing a role in insulation;
the thermocouple lower assembly 2 includes a lower electrode 201, an insulating lower base 202, a lower thermocouple cable 203, and an insulating lower pressure plate 204:
the lower electrodes 201 and the upper electrodes 101 have the same structure and the same quantity, and the distribution positions of the lower insulating bases 202 correspond to the distribution positions of the upper electrodes 101 on the upper insulating bases one to one;
the insulating lower base 202 and the insulating lower pressure plate 204 have the same structures as the insulating upper base 102 and the insulating upper pressure plate 105, respectively, a lower conductor 2011 in the lower electrode 201 structure is directly connected with a cavity 2021 arranged on the insulating lower base 202, and an upper conductor 2012 in the lower electrode 201 structure passes through an opening 2041 arranged on the insulating lower pressure plate 204 and is flush with the plate surface;
one end of the lower thermocouple cable 203 is connected into a through hole 2013 arranged on a lower conductor 2011 of the lower electrode 201 structure, and the other end of the lower thermocouple cable is led into a target plug-in support through a notch 2022 arranged on the side surface of the insulating lower base 202 and used for measuring the temperature at the center of the target station;
the thermocouple upper assembly 1 is used for being installed on a target body plug-in unit, the thermocouple lower assembly 2 is used for being installed on a target body plug-in unit support, and the upper electrode 101 and the lower electrode 201 are electrically connected while the target body plug-in unit is remotely installed on the target body plug-in unit support.
The elastic element 103 in this embodiment is made of flexible graphite, and is selected to haveRadiation resistance and density of 1.5g/cm3A flexible graphite of (1).
In this embodiment, the insulating upper base 102, the insulating upper platen 105, the insulating lower base 202, and the insulating lower platen 204 are made of ceramic materials.
In this embodiment, the upper conductor 1012 and the lower conductor 1011 in the upper electrode structure, and the upper conductor 2012 and the lower conductor 2011 in the lower electrode structure are both cylindrical, the lower electrode 201 is made of phosphor bronze material with higher hardness and good conductivity, and the upper electrode 101 is made of copper material with better conductivity.
The cross-sectional area of the upper conductor 1012 in the upper electrode 101 structure in this embodiment is smaller than the cross-sectional area of the upper conductor 2012 in the lower electrode 201 structure.
The number of the upper electrodes 101 and the lower electrodes 201 in this embodiment is 12, and the upper electrodes and the lower electrodes are respectively and uniformly arranged on the insulating upper base 102 and the insulating lower base 202 in two rows.
In this embodiment, the number of the upper thermocouple cables 104 and the lower thermocouple cables 203 is 6 respectively, and the hot end 1041 and the cold end 1042 wrapped by each of the upper thermocouple cables and the lower thermocouple cables are respectively connected to two adjacent electrodes in the same column.
The sheath materials of the upper thermocouple cable 104 and the lower thermocouple cable 203 in this embodiment are made of radiation-proof materials.
The upper conductor 1012 of the upper electrode 101 in this embodiment passes through the opening 1051 and protrudes above the surface of the insulating upper platen 105 by a height of 1-2 mm.
The working process of the teleoperation multi-contact automatic butt joint structure used in the radiation environment of the embodiment is as follows:
when the thermocouple assembly is used, the upper thermocouple assembly 1 is installed on a target plug-in unit through bolts, 12 upper electrodes 101 are exposed out of an installation surface and face downwards after assembly, the lower thermocouple assembly 2 is installed on a target plug-in unit support through bolts, and 12 lower electrodes 201 are exposed out of the installation surface and face upwards after assembly; when the target body plug-in unit is remotely installed on the target body plug-in unit support, the elastic upper electrode 101 is arranged on the thermocouple upper assembly 1, the fixed lower electrode 201 arranged on the lower assembly is automatically connected, the elastic element 103, namely the flexible graphite, arranged between the bottom of the cavity 1021 of the insulating upper base 102 and the lower electric conductor 1011 compensates the contact size error of the upper electrode 101 and the lower electrode 201 caused by remote assembly of the target body plug-in unit and the target body plug-in unit support, and the upper electrode 101 is electrically connected with the lower electrode 201 well, so that a temperature signal is converted into an electric signal, and the electric signal is accurately led into the target body plug-in unit through the lower thermocouple cable 203, the lower electrode 201, the upper electrode 101 and the upper thermocouple cable 104 and then led to the control room.
The teleoperation multi-contact automatic butt joint structure used in the radiation environment is simple in structure and convenient to assemble, the assembly precision requirement is effectively reduced, and the design of the device structure enables a plurality of thermocouple cables for measuring the temperature in the upper assembly and the lower assembly to be in barrier-free electric connection.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (8)
1. A teleoperation multi-contact automatic butt joint structure used in radiation environment is characterized by comprising an upper thermocouple assembly and a lower thermocouple assembly which are matched with each other;
the thermocouple upper assembly comprises a plurality of upper electrodes, an insulating upper base, an elastic element, an upper thermocouple cable and an insulating upper pressure plate:
the upper electrode comprises an upper conductor and a lower conductor which is concentrically and fixedly connected below the upper conductor, the cross-sectional area of the lower conductor is larger than that of the upper conductor, and a through hole for connecting an upper thermocouple cable is further formed in the side surface of the lower conductor;
the insulating upper base is provided with a cavity correspondingly accommodating the lower conductor, the elastic element is arranged between the bottom of the cavity and the lower conductor, the insulating upper base is provided with threaded through holes at intervals along the edges of all sides for fixing the insulating upper base and connecting the insulating upper pressing plate with bolts, and two opposite side surfaces of the insulating upper base are also provided with slots for inserting thermocouple cables;
one end of each upper thermocouple cable is connected into the through hole of the corresponding lower conductor, the other end of each upper thermocouple cable is led out through the corresponding notch, and the number of the upper thermocouple cables is half of that of the upper electrodes;
the insulating upper pressing plate is provided with an opening which is in clearance fit with the upper conductor, the upper conductor penetrates through the opening and protrudes out of the surface of the insulating upper pressing plate, the cross-sectional area of the opening is smaller than that of the lower conductor, threaded through holes which are used for being connected with the insulating upper base through bolts are arranged at intervals along the edges of the insulating upper pressing plate, and the insulating upper pressing plate is used for fixedly pressing the upper electrode and playing an insulating role;
the thermocouple lower assembly comprises a lower electrode, an insulating lower base, a lower thermocouple cable and an insulating lower pressing plate:
the lower electrodes and the upper electrodes have the same structure and the same quantity, and the distribution positions of the lower insulating base correspond to the positions of the upper electrodes on the upper insulating base one by one;
the lower insulating base and the lower insulating pressing plate are respectively identical in structure with the upper insulating base and the upper insulating pressing plate, a lower conductor in the lower electrode structure is directly connected with a cavity arranged on the lower insulating base, and an upper conductor in the lower electrode structure penetrates through an opening formed in the lower insulating pressing plate and is flush with the plate surface;
one end of the lower thermocouple cable is connected into a through hole formed in a lower conductor of the lower electrode structure, and the other end of the lower thermocouple cable is led out through a notch formed in the side face of the insulating lower base;
the cross-sectional area of the upper conductor in the upper electrode structure is smaller than that of the upper conductor in the lower electrode structure;
the number of the upper electrodes and the number of the lower electrodes are respectively 12, and the upper electrodes and the lower electrodes are respectively and uniformly arranged on the insulating upper base and the insulating lower base in two rows.
2. The teleoperational multi-contact automatic docking structure for use in a radiation environment of claim 1, wherein the elastic element is one of a cylindrical helical compression spring, a wave spring, a belleville spring, and flexible graphite.
3. The teleoperational multi-contact automatic butt joint structure used in radiation environment of claim 2, wherein the flexible graphite has a radiation resistance and a density of 1.4g/cm3、1.5g/cm3、1.6g/cm3One kind of (1).
4. The teleoperation multi-contact automatic butt joint structure used in a radiation environment according to claim 1, wherein the insulating upper base, the insulating upper pressing plate, the insulating lower base and the insulating lower pressing plate are made of ceramic materials.
5. The teleoperational multi-contact automatic docking structure for use in a radiation environment of claim 1, wherein the upper and lower conductors of the upper and lower electrode structures are cylindrical;
the lower electrode is made of phosphor bronze material with higher hardness and good conductivity; the upper electrode is made of a purple copper material with better conductivity.
6. The teleoperation multi-contact automatic butt joint structure used in a radiation environment according to claim 1, wherein the number of the upper and lower thermocouple cables is 6, and a hot end and a cold end of each of the upper and lower thermocouple cables are respectively connected to two adjacent electrodes in the same column.
7. The teleoperational multi-contact automatic butting structure for radiation environments of claim 1, wherein sheath materials of the upper thermocouple cable and the lower thermocouple cable are made of radiation-proof materials.
8. The teleoperated multi-contact automatic butt joint structure used in a radiation environment according to claim 1, wherein the height of the upper conductor in the upper electrode structure passing through the opening and protruding out of the insulating upper platen surface is 1-2 mm.
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| CN201810235072.2A CN108562371B (en) | 2018-03-21 | 2018-03-21 | Teleoperation multi-contact automatic butt joint structure used in radiation environment |
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| CN201810235072.2A CN108562371B (en) | 2018-03-21 | 2018-03-21 | Teleoperation multi-contact automatic butt joint structure used in radiation environment |
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| CN108562371B true CN108562371B (en) | 2020-03-24 |
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