CN206163130U - Ultra -low temperature appearance accuse electrical penetration assembly - Google Patents
Ultra -low temperature appearance accuse electrical penetration assembly Download PDFInfo
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- CN206163130U CN206163130U CN201621114069.8U CN201621114069U CN206163130U CN 206163130 U CN206163130 U CN 206163130U CN 201621114069 U CN201621114069 U CN 201621114069U CN 206163130 U CN206163130 U CN 206163130U
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- Prior art keywords
- flange
- core insulation
- insulation component
- connector
- heart yearn
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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Abstract
The utility model discloses an ultra -low temperature appearance accuse electrical penetration assembly, including heart yearn insulating assemblies, first flange and second flange, first flange and second flange cover locate heart yearn insulating assemblies on, first flange and second flange, first flange and heart yearn insulating assemblies, second flange and heart yearn insulating assemblies's junction all is provided with the sealing washer, heart yearn insulating assemblies's both ends be provided with to connect and insert the connector and insert connector complex cable fixation nut with connecing, connect to insert to be provided with on the connector and connect the contact pin hole, cable fixation nut on be provided with and connect the cable hole that the contact pin pore pair answered, the second flange was kept away from to first flange one side with one side that first flange was kept away from to the second flange all is provided with the cover and locates the flange fixation nut on the heart yearn insulating assemblies, connect the junction of inserting connector and heart yearn insulating assemblies to be provided with the cover to locate the filtration nut on the heart yearn insulating assemblies, the top of second flange is provided with the manometer mounting hole.
Description
Technical field
The utility model is related to instrument control penetrator field, particularly a kind of ultralow temperature instrument control electrical penetration.
Background technology
At present, such as LNG receiving stations, LNG liquefaction plants, LNG cargo ships, floating LNG liquefied storage device, coal tar furnace gas first
Alkanisation is produced in the conveying project of the cryogenic media such as LNG devices and the alkane in chemical plant installations, alkene for cryogenic media
Conveying and loading/unloading vehicles etc. are both needed to use low temperature immersed pump, because the cryogenic medias such as LNG, alkane, alkene have low temperature, inflammable, easy
The characteristic of quick-fried and easy evaporability.Therefore the requirement of the aspects such as the pump work inclement condition of this kind of medium, material, sealing is conveyed very severe
Carve, equipment requirement has the safe and reliable requirement of sealing.Because design difficulty is big, manufacture and test difficult, therefore, it is domestic at present this
Low temperature immersed pump still dependence on import is planted, in external monopolization technology status, product costliness, technical support is thus occurred and is not caught up with
Problem.China currently develops large-scale low-temperature immersed pump, for the low temperature instrument control matched with low temperature immersed pump runs through
Part seal nipple, the country there is no professional production producer to be developed, and its product major function is used to monitor the temperature of immersed pump, shakes
Move and adjust the functions such as other meter switches.
Domestic existing similar instrument control electrical penetration is mainly used in the inside and outside cable connection of nuclear power plant reactor containment,
It has the excellent specific properties such as good sealing, electric property, radiation-resistant property, pressure performance；But the insulation of such product
Parts cannot be used under -196 °C of environment of ultralow temperature, and when environment temperature is less than -196 °C, its insulating materials can form receipts
Contracting phenomenon, then cannot seal；
External existing like product is to replace organic material insulation, the connection side between glass preform and flange using glass
Method forms insulation and black box using the welding cut down of dilval, and the structure has following technical matters defect：
A. the material of part is dilval, different from 304 stainless steels.Non-uniform magnetic field can be produced, eddy current effect is formed,
Electric conductor and insulation position is caused to produce fuel factor, so as to affect the sealing property and electric property of sealing structure.
B. its product primary seal is the material of glass.This kind of glass is special low temperature resistant glass, domestic at present
Glass production manufacturer production boronation glass cannot meet cryogenic technique requirement, although the material behavior of quartz glass is resistance to
Low temperature, thermal coefficient of expansion is little, but quartz glass fusing point is high, it is impossible to the graded seal technical matters road that can be cut down using dilval
Line.
C. it is integral type after black box and flange welding, it is impossible to meet and safeguard the requirement changed.
Utility model content
Based on this, for the problems referred to above, it is necessary to propose a kind of ultralow temperature instrument control electrical penetration, the ultralow temperature instrument control electricity
Gas penetration piece can meet pressure-bearing, resistance to ultralow temperature sealing property and electrical performance demands, super installed in liquid nitrogen, liquefied natural gas etc.
On the tank shell of low-temperature storage material, for temperature, the vibration information of immersed pump of the monitoring in LVG storage tanks.
The technical solution of the utility model is：A kind of ultralow temperature instrument control electrical penetration, including core insulation component, first
Flange and second flange；Described first flange and second flange is sheathed on core insulation component, first flange and the second method
" recessed " face of blue axial cross section in " recessed " type, first flange and second flange is relative and wedging is arranged, first flange and second
The junction of flange, first flange and core insulation component, second flange and core insulation component is provided with sealing ring；It is described
Core insulation component two ends be provided with patch connector and with patch connector cooperation cable fixing nut, described connects
It is provided with slotting connector and patches pin hole, cable aperture corresponding with pin hole is patched is provided with described cable fixing nut；Institute
State first flange away from second flange side and the second flange be provided with away from the side of first flange and be sheathed on core
Flange fixing nut on line insulation assembly, the described junction for patching connector and core insulation component is provided with and is sheathed on
Filtration nut on core insulation component；Pressure gauge installing hole is provided with the top of the second flange.
Preferably, described core insulation component includes the rigid insulation sleeve pipe of conductive copper rod and the conductive copper rod of parcel.
Preferably, it is additionally provided with capping between described first flange and the flange fixing nut that is adjacent.
Preferably, the first flange and second flange are connected using soket head cap screw.
In storage tank the outer cryocable of cryocable and storage tank by heart yearn connectivity kit respectively with instrument control electrical penetration core
The conductive copper rod connection of line insulation assembly, heart yearn connected mode connects for line aviation connector structure mode；
Cable and penetration piece connection first pass through one and patch connector（Female）, i.e., several heart yearns in cable fix respectively
The patching on pin hole of connector is being patched, then cable is being fixed by cable fixing nut and is patched connector；
First flange constitutes the shell of electrical penetration with second flange, and second flange is provided with pressure gauge installing hole, uses
In the detection components such as pressure gage valve are installed, for detecting actual motion in chamber pressure change；
Conductive copper rod and insulating sleeve are designed as into integral type, the copper conductor for being processed into semi-finished product is put into into professional mould
In, then filled with polytetrafluoroethylene (PTFE), carry out gold after high-temperature heating sintering is carried out after cold moudling and cut processing appearance and size and two
Head thread so that conductive copper rod and insulating sleeve are integrally formed formula structure, in actual motion environment, runs into temperature and pressure change
Change will not occur the leakage accident that different materials shrink and produce, and connection heart yearn quantity and line footpath can require customization according to different；
The junction for patching connector and core insulation component is fastened with attaching nut's transition that polytetrafluoroethylene (PTFE) makes, and is prevented
Only when plumbness is worked, causing from gravity for cable is born for a long time in the junction for patching connector and core insulation component
The disconnection of cable core and plug；Polytetrafluoroethylmaterial material uses the PTFE of -196 °C of resistance to ultralow temperature（Polytetrafluoroethylene (PTFE)）Material,
This kind of material complies fully with the condition of work of ultra-low temperature surroundings, and its insulating properties and extremely low water absorption rate special type also fully meet ship
The job requirement of oceangoing ship electric product；
First flange aperture is put into after capping and is being fastened with clamp nut, is then fastened with fixing nut；
The seal of electrical penetration flange hole and core insulation component, can using sealing rings of the SKF with spring assembly
There is seal preload compensating action when temperature, pressure change are run in real work；
The pin hole part of the method for designing using specialty customization of connector is patched, with internal thread, according to the position of contact pin mouth
Put processing and patch connector（Polytetrafluoroethylene (PTFE) cast makes）, pin hole part is patched according to corresponding position perforation processing, patch
Pin hole part is directly threaded into and patches connector, and the aperture of connecting cable heart yearn makes according to the external diameter of actual heart yearn, by cable
Compress after heart yearn insertion pin hole, connection heart yearn quantity and line footpath can require customization according to different.
Preferably, the material of described sealing ring is polytrifluorochloroethylene, PSU polysulfones, quartz glass and PEEK.
The beneficial effects of the utility model are：
1st, compact conformation, light weight, are threadedly coupled with the directly available GB of tank shell, the standardization of bolted fittings type selecting；
2nd, under the premise of the electric, requirement of pressure, temperature is met, change material and structure, realize inner sealing during maintenance
Construction package is detachable, change requirement, and all parts make mature production technology, and product quality is controllable during batch production；
3rd, the component of the replaceable different heart yearn line footpaths of product critical component core insulation component and heart yearn quantity, it is possible to provide use
Family side's many kinds of parameters is selected, and conductor diameters type selecting scope is 0.5mm to 3.0mm, and heart yearn quantity type selecting is 3 to 20；
4th, patch connector and polytetrafluoroethylene (PTFE) spiral shell transition nuts are set up in penetration piece junction so that in longtime running
When, cable and penetration piece connection it is more solid and reliable；
5th, the cost of overhaul reduce, after each Disintegration overhaul, only need removable parts part, after reinstalling by use.
Description of the drawings
Fig. 1 is the structural representation of the utility model embodiment；
Reference：10- core insulation components, 11- patches connector, and 12- patches pin hole, 13- cable fixing nuts,
14- filters nut, 15- flange fixing nuts, 16- cappings, 20- first flanges, 21- soket head cap screws, 22- pressure faces, 30- the
Two flanges, 31- pressure gauge installing holes, 32- air face, 40- sealing rings, 50- cables, 51- cable cores.
Specific embodiment
Embodiment of the present utility model is described in detail below in conjunction with the accompanying drawings.
Embodiment
As shown in figure 1, a kind of ultralow temperature instrument control electrical penetration, including core insulation component 10, first flange 20 and
Two flanges 30；Described first flange 20 and second flange 30 is sheathed on core insulation component 10, first flange 20 and second
" recessed " face of the axial cross section of flange 30 in " recessed " type, first flange 20 and second flange 30 is relative and wedging is arranged, the first method
Orchid 20 and the connection of second flange 30, first flange 20 and core insulation component 10, second flange 30 and core insulation component 10
Place is provided with sealing ring 40；The two ends of described core insulation component 10 be provided with patch connector 11 and with patch connector
The 11 cable fixing nuts 13 for coordinating, described patching is provided with connector 11 and patches pin hole 12, and described cable fixes spiral shell
It is provided with female 13 and patches the corresponding cable aperture of pin hole 12；The first flange 20 is away from the side of second flange 30 and described
Second flange 30 is provided with the flange fixing nut 15 being sheathed on core insulation component 10 away from the side of first flange 20,
It is described to patch connector 11 and the junction of core insulation component 10 is provided with the filtration being sheathed on core insulation component 10
Nut 14；The top of the second flange 30 is provided with pressure gauge installing hole 31.
Wherein in one embodiment, described core insulation component 10 includes conductive copper rod and wraps up the hard of conductive copper rod
Matter insulating sleeve.
Wherein in one embodiment, also set between described first flange 20 and the flange fixing nut 15 that is adjacent
It is equipped with capping 16.
Wherein in one embodiment, the first flange 20 and second flange 30 are solid using the connection of soket head cap screw 21
It is fixed.
Wherein in one embodiment, the material of described sealing ring 40 is polytrifluorochloroethylene, PSU polysulfones, quartzy glass
Glass and PEEK.
Embodiment described above only expresses specific embodiment of the present utility model, and its description is more concrete and detailed,
But therefore can not be interpreted as the restriction to the utility model the scope of the claims.It should be pointed out that common for this area
For technical staff, without departing from the concept of the premise utility, some deformations and improvement can also be made, these all belong to
In protection domain of the present utility model.
Claims (5)
1. a kind of ultralow temperature instrument control electrical penetration, it is characterised in that including core insulation component, first flange and the second method
It is blue；Described first flange and second flange is sheathed on core insulation component, the axial cross section of first flange and second flange
" recessed " face in " recessed " type, first flange and second flange is relative and wedging is arranged, first flange and second flange, first flange
Sealing ring is provided with the junction of core insulation component, second flange and core insulation component；Described core insulation group
The two ends of part be provided with patch connector and with the cable fixing nut for patching connector cooperation, described patching set on connector
It is equipped with and patches pin hole, cable aperture corresponding with pin hole is patched is provided with described cable fixing nut；The first flange is remote
It is provided with away from the side of first flange from the side of second flange and the second flange and is sheathed on core insulation component
Flange fixing nut, the described junction for patching connector and core insulation component is provided with and is sheathed on core insulation component
On filtration nut；Pressure gauge installing hole is provided with the top of the second flange.
2. ultralow temperature instrument control electrical penetration according to claim 1, it is characterised in that described core insulation component bag
Include the rigid insulation sleeve pipe of conductive copper rod and the conductive copper rod of parcel.
3. ultralow temperature instrument control electrical penetration according to claim 1, it is characterised in that described first flange and and its
Capping is additionally provided between adjacent flange fixing nut.
4. ultralow temperature instrument control electrical penetration according to claim 1, it is characterised in that the first flange and the second method
Orchid is connected using soket head cap screw.
5. ultralow temperature instrument control electrical penetration according to claim 1, it is characterised in that the material of described sealing ring is
Polytrifluorochloroethylene, PSU polysulfones, quartz glass and PEEK.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621114069.8U CN206163130U (en) | 2016-10-12 | 2016-10-12 | Ultra -low temperature appearance accuse electrical penetration assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621114069.8U CN206163130U (en) | 2016-10-12 | 2016-10-12 | Ultra -low temperature appearance accuse electrical penetration assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206163130U true CN206163130U (en) | 2017-05-10 |
Family
ID=58653821
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621114069.8U Active CN206163130U (en) | 2016-10-12 | 2016-10-12 | Ultra -low temperature appearance accuse electrical penetration assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206163130U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110161109A (en) * | 2018-03-21 | 2019-08-23 | 中国人民解放军陆军工程大学 | Surface flashover experimental device |
| CN114252196A (en) * | 2022-03-02 | 2022-03-29 | 武汉飞恩微电子有限公司 | Automatic calibration equipment for pressure sensor for vehicle |
-
2016
- 2016-10-12 CN CN201621114069.8U patent/CN206163130U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110161109A (en) * | 2018-03-21 | 2019-08-23 | 中国人民解放军陆军工程大学 | Surface flashover experimental device |
| CN114252196A (en) * | 2022-03-02 | 2022-03-29 | 武汉飞恩微电子有限公司 | Automatic calibration equipment for pressure sensor for vehicle |
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