CN104538923B - A kind of air-tightness list twin-core armored cable switching device - Google Patents
A kind of air-tightness list twin-core armored cable switching device Download PDFInfo
- Publication number
- CN104538923B CN104538923B CN201510017557.0A CN201510017557A CN104538923B CN 104538923 B CN104538923 B CN 104538923B CN 201510017557 A CN201510017557 A CN 201510017557A CN 104538923 B CN104538923 B CN 104538923B
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- cable
- plug
- armored cable
- core
- twin
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G15/00—Cable fittings
- H02G15/08—Cable junctions
- H02G15/18—Cable junctions protected by sleeves, e.g. for communication cable
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G15/00—Cable fittings
- H02G15/02—Cable terminations
- H02G15/04—Cable-end sealings
Abstract
The invention discloses a kind of air-tightness list twin-core armored cable switching device, it is related to a kind of cable switching device, retainer ring in the cable that the outer retainer ring of the cable that the attached housing of the tail that makes including close plug-assembly, stainless steel in end socket CA cable assembly, chovr body component, cable, stainless steel are made, stainless steel are made.Using the beneficial effect that the present invention reaches it is：Overall air-tightness≤1.0 × 10‑10Pa.m3/S；Normal temperature insulaion resistance >=1000M Ω (5V direct currents)；Temperature shock performance（Room temperature～300 DEG C, circulate 10 times）；Pressure >=500V（DC）.
Description
Technical field
A kind of a kind of the present invention relates to cable switching device, more particularly to switching device of twin-core armored cable.
Background technology
Nuclear fusion is that the atomic nucleus lighter by two is polymerized to a heavier atomic nucleus, and the process for giving off energy.
And the mankind just will must make this controlled process from nuclear fusion Procedure Acquisition energy, magnetic confinement fusion is that current exploitation is poly-
Become most promising approach in the energy, in magnetic confinement fusion device, the control of the measurement of relevant parameter and plasma,
The aspects such as equipment safety are closely related, such as the information such as magnetic field, magnetic flux and electric current, and a lot of measuring systems need to be arranged in device
Internal vacuum chamber, in order to meet magnetic trapped fusion apparatus internal vacuum chamber operating environment requirements, mainly includes high vacuum, higher
Baking temperature and environment temperature etc., generally using armored cable as signal measurement and transfer wire, armored cable is by mineral
The copper core metal sheathed cable of material magnesia or alumina powder as insulating materials, the cable have high temperature resistant, low go out
Gas rate (vacuum performance) and good insulating properties etc., in magnetic confinement fusion device, the measurement letter of relevant parameter
Number transmission need twin-core armored cable, therefore, twin-core armored cable must assemble high temperature resistant, high vacuum, low-loss twin-core
Cable sealing head, to be tested under the test environments such as some high vacuum, higher baking temperature and environment temperature, this
And the indispensable ring of signal measurement is realized under test environment as high vacuum, higher baking temperature and environment temperature etc.
Section, and solve the key component of the signal measurement Problems of internal vacuum chamber.
Content of the invention
Object of the present invention is to provide a kind of have bubble-tight high temperature resistant, high vacuum, low-loss list twin-core armouring
Cable switching device, the technical scheme is that：A kind of air-tightness list twin-core armored cable switching device, including end socket cable
Fixed outside the cable that the attached housing of close plug-assembly, stainless steel are made in component, chovr body component, cable tail, stainless steel are made
Retainer ring in the cable that ring, stainless steel are made.
The end socket CA cable assembly include two can cut down make anterior outlet-pipe, plug, aluminum oxide pottery outside aluminium oxide ceramics
Plug in porcelain, the big envelope made, the wire bushing that stainless steel is made and armored cable can be cut down；It is provided with the wire bushing and supplies armored cable
The cavity for passing through, wire bushing are set with and are welded in the outside of armored cable one end, in the aluminium oxide ceramics plug one end be for
The cavity end of suit armored cable, the other end is blind end, is provided with for being set with two of armored cable twin-core in the middle of blind end
Hole, aluminium oxide ceramics chock off neighbour's wire bushing are simultaneously brazed on the termination of armored cable, the twin-core of armored cable respectively from
Pass through in two holes；Outside the aluminium oxide ceramics, plug one end is that the other end is blind end for being set with the cavity end that fill in pottery,
It is provided with the middle of blind end for being set with two holes of armored cable twin-core and anterior outlet-pipe, anterior outlet-pipe passes through ceramet
In two holes that sealing-in is filled in outside aluminium oxide ceramics, armored cable twin-core leads to inserting for chovr body component by anterior outlet-pipe
Hole；The big envelope isShape bushings, the less one end suit of the big envelope internal diameter soldering is outside wire bushing,
The larger one end of big envelope internal diameter is set with and passes through ceramicto-metal seal portion beyond the Great Wall outside pottery.
The chovr body component include cutting down the plug pottery installing plate that two jacks, the aluminium oxide ceramics that makes make,
The connection ring that the plug casing made and stainless steel are made can be cut down；The jack two ends are provided with the passage passed through for armored cable,
Do not connect between the passage at two ends；Plug pottery installing plate is cylindrical-shaped structure, and plug pottery installing plate is axially arranged with two
The individual cavity for placing jack, the jack is placed in the cavity of ceramic installing plate and soldering is fixed；The plug casing is cylinder
Tubular structure, is provided with the cavity of placing idle plug installing plate in plug casing, the plug pottery installing plate is placed in the jack shell
In the cavity of body, simultaneously soldering is fixed, and is provided with the step being along the circumferential direction distributed on the outside of the plug casing, and plug casing is attached with tail
External screw thread is provided with the outside of one end that housing is connected；The connection ring is a cylindrical tube shape structure, and connection ring two ends set vertically
There are passage, the diameter of one end passage to be slightly larger than the external diameter of the step on the outside of plug casing, the diameter of other end passage is slightly larger than slotting
The external diameter of casing, plug casing is positioned in connection ring from the big one end passage of connection ring diameter and soldering is fixed.
Can cut down under in the cable, close plug-assembly includes set, oxide aluminium earthenware outer, contact pin, oxygen-free copper spacer shell,
Armored cable；Set, oxide aluminium earthenware outer, contact pin, oxygen-free copper spacer shell can be cut down under described and be equipped with hollow inner chamber, be insulated
In the lower other end inner chamber for cutting down set, the contact pin sealing-in is in oxide aluminium earthenware outer not with for alumina ceramic tube sealing-in
Can cut down set sealing-in other end inner chamber in, contact pin not with lower cut down set sealing-in other end inner chamber sealing-in spacer shell, described under can
The inner chamber of set, sealing-in are cut down in the inner chamber of the lower oxide aluminium earthenware outer that cuts down in sleeve, sealing-in in oxide aluminium earthenware outer
In the inner chamber of oxygen-free copper spacer shell in contact pin of contact pin inner chamber and sealing-in form the passage that armored cable passes through, the armouring
It is resistant to elevated temperatures metal sealing by fusing knot that cable enters the lower one end of one end and armored cable of set from oxygen-free copper spacer shell out of can cutting down
Structure.
The attached housing of the tail is substantiallyThe sleeve pipe of shape, is provided with described sleeve pipe for end socket CA cable assembly and switching
The cavity that body component passes through, end socket CA cable assembly and chovr body component are placed in the attached housing of the tail, and the cavity is attached near tail
Be provided with internal thread in the larger one end cavity of diameter of the housing, plug casing is threadedly coupled with the attached housing of tail, by plug casing with
End socket CA cable assembly and chovr body component are linked together by the attached housing threaded connection of tail.
In the cable retainer ring be cross section be " C " shape cylinder, the cylinder be axially arranged with totally two lead to
Road, the twin-core of the armored cable that draws from end socket CA cable assembly, chovr body component pass through from two passages respectively.
The outer retainer ring of the cable is tube-shaped column body structure, and the outer retainer ring one end of the cable is openend, the electricity
External diameter of the internal diameter of the outer retainer ring openend of cable slightly larger than connection ring, the outer retainer ring openend of cable is socketed and is brazed in connection ring
Outside, the other end of the outer retainer ring of the cable is blind end, and the blind end of the outer retainer ring of the cable is provided with for armouring electricity
The hole that the twin-core of cable passes through, from cable, the twin-core of the armored cable that retainer ring is drawn is drawn from the hole.
In the outer retainer ring of the cable, cable, the stainless steel of retainer ring, the attached housing of tail, wire bushing and connection ring is 316L
Or 0Cr17Ni12Mo2 or 0Cr17Ni14Mo2.
Described big envelope, anterior outlet-pipe, plug casing, jack, can to cut down down set and cutting down for contact pin be 4J34.
Plug outside plug, aluminium oxide ceramics in the aluminium oxide ceramics, plug pottery installing plate, oxide aluminium earthenware outer
It is A-95 aluminium oxide ceramics or A-97 aluminium oxide ceramics or A-99 aluminium oxide ceramics.
The oxygen-free copper of the oxygen-free copper spacer shell is TU1.
The solder of the ceramicto-metal seal be DHLAg or DHLAgCu28 or DHLAuCu20 or
DHLAgCu50.
The beneficial effect that can be reached using the present invention is：
1st, overall air-tightness≤1.0 × 10-10Pa.m3/S；
2nd, normal temperature insulaion resistance >=1000M Ω (5V direct currents)；
3rd, temperature shock performance (room temperature～300 DEG C are circulated 10 times)；
4th, pressure >=500V (DC).
Description of the drawings
Fig. 1 the structural representation of present invention；
Fig. 2 end socket CA cable assembly structural representations；
Fig. 3 chovr body modular construction schematic diagrames；
Close plug-assembly structural representation in Fig. 4 cables；
The attached shell structure schematic diagram of Fig. 5 tails；
The outer retainer ring structural representation of Fig. 6 cables；
Retainer ring front view in Fig. 7 cables；
Retainer ring top view in Fig. 8 cables.
In above-mentioned accompanying drawing, the corresponding component names of reference are as follows：
1- end socket CA cable assemblies, 2- chovr body components, close plug-assembly in 3- cables, 4- tails attached housing are solid outside 5- cables
Determine ring, retainer ring in 6- cables, 7- front portions outlet-pipe are filled in outside 8- aluminium oxide ceramics, plug in 9- aluminium oxide ceramics, 10- big envelopes,
11- wire bushings, 12- armored cables, 13- jacks, 14- plugs pottery installing plate, 15- plug casings, 16- connection rings can under 17-
Cut down set, 18- oxide aluminium earthenware outers, 19- contact pins, 20- oxygen-free copper spacer shells.
Specific embodiment
The invention will be further described with reference to the accompanying drawings and examples, and embodiments of the present invention are included but is not limited to
The following example.
Embodiment one
A kind of air-tightness list twin-core armored cable switching device of the embodiment of the present invention one, including end socket CA cable assembly, turns
Fixed outside the cable that the attached housing of close plug-assembly, Stainless steel 316 L make in junctor component, cable tail, Stainless steel 316 L make
Retainer ring in the cable that ring, Stainless steel 316 L make.
The end socket CA cable assembly includes that two can be cut down the aluminum oxide that the anterior outlet-pipe, A-95 potteries that 4J34 makes is made
Plug in the aluminium oxide ceramics that ceramic outer plug, A-95 potteries are made, the shield line that the big envelope, Stainless steel 316 L that 4J34 makes is made can be cut down
Set and armored cable；The cavity passed through for armored cable is provided with the wire bushing, and wire bushing is set with and is welded in armored cable
In the outside of one end, the aluminium oxide ceramics, plug one end is the cavity end for being set with armored cable, and the other end is blind end, envelope
It is provided with the middle of closed end for being set with two holes of armored cable twin-core, the aluminium oxide ceramics chock off neighbour wire bushing is simultaneously brazed in
On the termination of armored cable, the twin-core of armored cable passes through from two holes respectively；Outside the aluminium oxide ceramics, plug one end is use
The cavity end of plug in the suit pottery, the other end is blind end, is provided with for being set with armored cable twin-core and front in the middle of blind end
Two holes of portion's outlet-pipe, in two holes that anterior outlet-pipe is filled in outside aluminium oxide ceramics by ceramicto-metal seal, armouring electricity
Cable twin-core leads to the jack of chovr body component by anterior outlet-pipe；The big envelope isShape bushings, the envelope
The less one end of set internal diameter is set with and soldering is outside wire bushing, and the larger one end of big envelope internal diameter is set with and is sealed by ceramet
Portion beyond the Great Wall is connected on outside pottery.
The plug pottery that the chovr body component includes cutting down two jacks that 4J34 makes, A-95 aluminium oxide ceramics is made
Installing plate, the plug casing that 4J34 makes and the connection ring that Stainless steel 316 L makes can be cut down；The jack two ends are provided with and supply armouring
The passage that cable passes through, does not connect between the passage at two ends；The plug pottery installing plate is cylindrical-shaped structure, and plug is ceramic to pacify
Dress plate is axially arranged with the cavitys of two placement jacks, and the jack is placed in the cavity of ceramic installing plate and soldering is fixed；Described
Plug casing is cylindrical tube shape structure, is provided with the cavity of placing idle plug installing plate, the plug pottery installing plate in plug casing
It is placed in the cavity of the plug casing and soldering is fixed, on the outside of the plug casing, is provided with the step being along the circumferential direction distributed,
External screw thread is provided with the outside of one end that plug casing is connected with the attached housing of tail；The connection ring is a cylindrical tube shape structure, connects
Ring two ends are provided with passage vertically, and the diameter of one end passage is slightly larger than the external diameter of the step on the outside of plug casing, other end passage
Diameter slightly larger than plug casing external diameter, plug casing is positioned in connection ring and pricker from the connection big one end passage of ring diameter
Solid welding is fixed.
In the cable close plug-assembly include cutting down 4J34 makes lower cut down set, that A-95 aluminium oxide ceramics is made is exhausted
Edge alumina ceramic tube, oxygen-free copper spacer shell, armored cable that the contact pin, oxygen-free copper TU1 that 4J34 makes is made can be cut down；Under described
Set, oxide aluminium earthenware outer, contact pin, oxygen-free copper spacer shell can be cut down and be equipped with hollow inner chamber, oxide aluminium earthenware outer is sealed
It is connected on down and can cuts down in the other end inner chamber of set, the contact pin sealing-in does not cut down the another of set sealing-in with lower in oxide aluminium earthenware outer
In the inner chamber of one end, contact pin not with the lower other end inner chamber sealing-in spacer shell for cutting down set sealing-in, lower inner chamber, the sealing-in that can cut down set
Contact pin inner chamber and envelope of the inner chamber, sealing-in in the lower oxide aluminium earthenware outer that cuts down in sleeve in oxide aluminium earthenware outer
The inner chamber of the oxygen-free copper spacer shell being connected in contact pin forms the passage that armored cable passes through, and the armored cable can cut down set under entering
One end from oxygen-free copper spacer shell out of one end and armored cable be resistant to elevated temperatures metal melt-sealing structure.
The attached housing of the tail is substantiallyThe sleeve pipe of shape, is provided with described sleeve pipe for end socket CA cable assembly and switching
The cavity that body component passes through, end socket CA cable assembly and chovr body component are placed in the attached housing of the tail, and the cavity is attached near tail
Be provided with internal thread in the larger one end cavity of diameter of the housing, plug casing is threadedly coupled with the attached housing of tail, by plug casing with
End socket CA cable assembly and chovr body component are linked together by the attached housing threaded connection of tail.
In the cable retainer ring be cross section be " C " shape cylinder, the cylinder be axially arranged with totally two lead to
Road, the twin-core of the armored cable that draws from end socket CA cable assembly, chovr body component pass through from two passages respectively.
The outer retainer ring of the cable is tube-shaped column body structure, and the outer retainer ring one end of the cable is openend, the electricity
External diameter of the internal diameter of the outer retainer ring openend of cable slightly larger than connection ring, the outer retainer ring openend of cable is socketed and is brazed in connection ring
Outside, the other end of the outer retainer ring of the cable is blind end, and the blind end of the outer retainer ring of the cable is provided with for armouring electricity
The hole that the twin-core of cable passes through, from cable, the twin-core of the armored cable that retainer ring is drawn is drawn from the hole.
In the present embodiment one, the solder of ceramicto-metal seal is DHLAg.
Embodiment two
A kind of air-tightness list twin-core armored cable switching device of the embodiment of the present invention two, including end socket CA cable assembly, turns
The attached housing of close plug-assembly, stainless steel 0Cr17Ni12Mo2 make in junctor component, cable tail, stainless steel 0Cr17Ni12Mo2
Retainer ring in the cable that retainer ring, stainless steel 0Cr17Ni12Mo2 make outside the cable that makes.
The end socket CA cable assembly includes that two can be cut down the aluminum oxide that the anterior outlet-pipe, A-97 potteries that 4J34 makes is made
Fill in the aluminium oxide ceramics that ceramic outer plug, A-97 potteries are made, big envelope, stainless steel 0Cr17Ni12Mo2 systems that 4J34 makes can be cut down
Into wire bushing and armored cable；The cavity passed through for armored cable is provided with the wire bushing, and wire bushing is set with and is welded in
The outside of armored cable one end, plug one end is the cavity end for being set with armored cable in the aluminium oxide ceramics, and the other end is
Blind end, is provided with the middle of blind end for being set with two holes of armored cable twin-core, the adjacent shield line of the aluminium oxide ceramics chock off
Cover and be brazed on the termination of armored cable, the twin-core of armored cable passes through from two holes respectively；Outside the aluminium oxide ceramics
Plug one end is that the other end is blind end for being set with the cavity end that fill in pottery, is provided with electric for being set with armouring in the middle of blind end
Cable twin-core and two holes of anterior outlet-pipe, two holes that anterior outlet-pipe is filled in outside aluminium oxide ceramics by ceramicto-metal seal
In, armored cable twin-core leads to the jack of chovr body component by anterior outlet-pipe；The big envelope isShape set
Pipe, the less one end of the big envelope internal diameter is sleeved on and soldering is outside wire bushing, and the larger one end of big envelope internal diameter is set with and leads to
Cross ceramicto-metal seal portion beyond the Great Wall outside pottery.
The plug pottery that the chovr body component includes cutting down two jacks that 4J34 makes, A-97 aluminium oxide ceramics is made
Installing plate, the plug casing that 4J34 makes and the connection ring that stainless steel 0Cr17Ni12Mo2 makes can be cut down；The jack two ends set
There is the passage passed through for armored cable, do not connect between the passage at two ends；The plug pottery installing plate is cylindrical-shaped structure, inserts
The ceramic installing plate of head is axially arranged with the cavitys of two placement jacks, and the jack is placed in the cavity of ceramic installing plate and soldering is solid
Fixed；The plug casing is cylindrical tube shape structure, is provided with the cavity of placing idle plug installing plate, the plug pottery in plug casing
Installing plate is placed in the cavity of the plug casing and soldering is fixed, and is provided with and is along the circumferential direction distributed on the outside of the plug casing
Step, is provided with external screw thread on the outside of one end that plug casing is connected with the attached housing of tail；The connection ring is a cylindrical tube shape structure,
Connection ring two ends are provided with passage vertically, and the diameter of one end passage is slightly larger than the external diameter of the step on the outside of plug casing, the other end
External diameter of the diameter of passage slightly larger than plug casing, plug casing are positioned in connection ring from the big one end passage of connection ring diameter
And soldering is fixed.
In the cable close plug-assembly include cutting down 4J34 makes lower cut down set, that A-97 aluminium oxide ceramics is made is exhausted
Edge alumina ceramic tube, oxygen-free copper spacer shell, armored cable that the contact pin, oxygen-free copper TU1 that 4J34 makes is made can be cut down；Under described
Set, oxide aluminium earthenware outer, contact pin, oxygen-free copper spacer shell can be cut down and be equipped with hollow inner chamber, oxide aluminium earthenware outer is sealed
It is connected on down and can cuts down in the other end inner chamber of set, the contact pin sealing-in does not cut down the another of set sealing-in with lower in oxide aluminium earthenware outer
In the inner chamber of one end, contact pin not with the lower other end inner chamber sealing-in spacer shell for cutting down set sealing-in, lower inner chamber, the sealing-in that can cut down set
Contact pin inner chamber and envelope of the inner chamber, sealing-in in the lower oxide aluminium earthenware outer that cuts down in sleeve in oxide aluminium earthenware outer
The inner chamber of the oxygen-free copper spacer shell being connected in contact pin forms the passage that armored cable passes through, and the armored cable can cut down set under entering
One end from oxygen-free copper spacer shell out of one end and armored cable be resistant to elevated temperatures metal melt-sealing structure.
The attached housing of the tail is substantiallyThe sleeve pipe of shape, is provided with described sleeve pipe for end socket CA cable assembly and switching
The cavity that body component passes through, end socket CA cable assembly and chovr body component are placed in the attached housing of the tail, and the cavity is attached near tail
Be provided with internal thread in the larger one end cavity of diameter of the housing, plug casing is threadedly coupled with the attached housing of tail, by plug casing with
End socket CA cable assembly and chovr body component are linked together by the attached housing threaded connection of tail.
In the cable retainer ring be cross section be " C " shape cylinder, the cylinder be axially arranged with totally two lead to
Road, the twin-core of the armored cable that draws from end socket CA cable assembly, chovr body component pass through from two passages respectively.
The outer retainer ring of the cable is tube-shaped column body structure, and the outer retainer ring one end of the cable is openend, the electricity
External diameter of the internal diameter of the outer retainer ring openend of cable slightly larger than connection ring, the outer retainer ring openend of cable is socketed and is brazed in connection ring
Outside, the other end of the outer retainer ring of the cable is blind end, and the blind end of the outer retainer ring of the cable is provided with for armouring electricity
The hole that the twin-core of cable passes through, from cable, the twin-core of the armored cable that retainer ring is drawn is drawn from the hole.
In the present embodiment one, the solder of ceramicto-metal seal is DHLAgCu28.
The beneficial effect that can be reached using the embodiment of the present invention is：
1st, overall air-tightness≤1.0 × 10-10Pa.m3/S；
2nd, normal temperature insulaion resistance >=1000M Ω (5V direct currents)；
3rd, temperature shock performance (room temperature～300 DEG C are circulated 10 times)；
4th, pressure >=500V (DC).
Above-described embodiment is only the preferred embodiments of the present invention, not limiting the scope of the invention, as long as adopting
The design principle of the present invention, and the change for carrying out non-creativeness work on this basis and making, all should belong to the present invention's
Within protection domain.
Claims (6)
1. a kind of air-tightness list twin-core armored cable switching device, it is characterised in that including end socket CA cable assembly, chovr body group
The outer retainer ring of cable that the attached housing of close plug-assembly, stainless steel are made in part, cable tail, stainless steel are made, stainless steel are made
Cable in retainer ring；
The end socket CA cable assembly include two can cut down make anterior outlet-pipe, plug, aluminum oxide pottery outside aluminium oxide ceramics
Plug in porcelain, the big envelope made, the wire bushing that stainless steel is made and armored cable can be cut down；It is provided with the wire bushing and supplies armored cable
The cavity for passing through, wire bushing are set with and are welded in the outside of armored cable one end, in the aluminium oxide ceramics plug one end be for
The cavity end of suit armored cable, the other end is blind end, is provided with for being set with two of armored cable twin-core in the middle of blind end
Hole, aluminium oxide ceramics chock off neighbour's wire bushing are simultaneously brazed on the termination of armored cable, the twin-core of armored cable respectively from
Pass through in two holes；Outside the aluminium oxide ceramics, plug one end is that the other end is blind end for being set with the cavity end that fill in pottery,
It is provided with the middle of blind end for being set with two holes of armored cable twin-core and anterior outlet-pipe, anterior outlet-pipe passes through ceramet
In two holes that sealing-in is filled in outside aluminium oxide ceramics, armored cable twin-core leads to inserting for chovr body component by anterior outlet-pipe
Hole；The big envelope isShape bushings, the less one end suit of the big envelope internal diameter soldering is outside wire bushing,
The larger one end of big envelope internal diameter is set with and passes through ceramicto-metal seal portion beyond the Great Wall outside pottery；
The chovr body component include cutting down the plug pottery installing plate that two jacks, the aluminium oxide ceramics that makes make,
The connection ring that the plug casing made and stainless steel are made can be cut down；The jack two ends are provided with the passage passed through for armored cable,
Do not connect between the passage at two ends；Plug pottery installing plate is cylindrical-shaped structure, and plug pottery installing plate is axially arranged with two
The individual cavity for placing jack, the jack is placed in the cavity of ceramic installing plate and soldering is fixed；The plug casing is cylinder
Tubular structure, is provided with the cavity of placing idle plug installing plate in plug casing, the plug pottery installing plate is placed in the jack shell
In the cavity of body, simultaneously soldering is fixed, and is provided with the step being along the circumferential direction distributed on the outside of the plug casing, and plug casing is attached with tail
External screw thread is provided with the outside of one end that housing is connected；The connection ring is a cylindrical tube shape structure, and connection ring two ends set vertically
There are passage, the diameter of one end passage to be slightly larger than the external diameter of the step on the outside of plug casing, the diameter of other end passage is slightly larger than slotting
The external diameter of casing, plug casing is positioned in connection ring from the big one end passage of connection ring diameter and soldering is fixed；
Can cut down under in the cable, close plug-assembly includes set, oxide aluminium earthenware outer, contact pin, oxygen-free copper spacer shell,
Armored cable；Set, oxide aluminium earthenware outer, contact pin, oxygen-free copper spacer shell can be cut down under described and be equipped with hollow inner chamber, be insulated
In the lower other end inner chamber for cutting down set, the contact pin sealing-in is in oxide aluminium earthenware outer not with for alumina ceramic tube sealing-in
Can cut down set sealing-in other end inner chamber in, contact pin not with lower cut down set sealing-in other end inner chamber sealing-in spacer shell, described under can
The inner chamber of set, sealing-in are cut down in the lower inner chamber for cutting down the oxide aluminium earthenware outer in set, sealing-in in oxide aluminium earthenware outer
The inner chamber of oxygen-free copper spacer shell in contact pin of contact pin inner chamber and sealing-in form the passage that armored cable passes through, the armouring electricity
It is resistant to elevated temperatures metal melt-sealing structure that cable enters the lower one end of one end and armored cable of set from oxygen-free copper spacer shell out of can cutting down；
The attached housing of the tail is substantiallyThe sleeve pipe of shape, is provided with described sleeve pipe for end socket CA cable assembly and switching
The cavity that body component passes through, end socket CA cable assembly and chovr body component are placed in the attached housing of the tail, and the cavity is attached near tail
Be provided with internal thread in the larger one end cavity of diameter of the housing, plug casing is threadedly coupled with the attached housing of tail, by plug casing with
End socket CA cable assembly and chovr body component are linked together by the attached housing threaded connection of tail；
In cable, retainer ring is the cylinder that cross section is " C " shape, and the cylinder is axially arranged with totally two passages, from
The twin-core of the armored cable that end socket CA cable assembly, chovr body component are drawn passes through from two passages respectively；
The outer retainer ring of cable is tube-shaped column body structure, and the outer retainer ring one end of the cable is openend, outside the cable
External diameter of the internal diameter of retainer ring openend slightly larger than connection ring, the outer retainer ring openend of cable are socketed and are brazed in the outer of connection ring
Portion, the other end of the outer retainer ring of the cable is blind end, and the blind end of the outer retainer ring of the cable is provided with for armored cable
The hole that twin-core passes through, from cable, the twin-core of the armored cable that retainer ring is drawn is drawn from the hole.
2. a kind of air-tightness list twin-core armored cable switching device as claimed in claim 1, it is characterised in that outside the cable
In retainer ring, cable the stainless steel of the attached housing of retainer ring, tail, wire bushing and connection ring be 316L or 0Cr17Ni12Mo2 or
Person 0Cr17Ni14Mo2.
3. a kind of air-tightness list twin-core armored cable switching device as claimed in claim 1, it is characterised in that described envelope
Set, anterior outlet-pipe, plug casing, jack, can to cut down down set and cutting down for contact pin be 4J34.
4. a kind of air-tightness list twin-core armored cable switching device as claimed in claim 1, it is characterised in that the aluminum oxide
Plug outside plug, aluminium oxide ceramics in ceramic, plug pottery installing plate, oxide aluminium earthenware outer be A-95 aluminium oxide ceramics or
Person A-97 aluminium oxide ceramics or A-99 aluminium oxide ceramics.
5. a kind of air-tightness list twin-core armored cable switching device as claimed in claim 1, it is characterised in that the oxygen-free copper
The oxygen-free copper of spacer shell is TU1.
6. a kind of air-tightness list twin-core armored cable switching device as described in claim 1-5 any claim, its feature
It is, the solder of the ceramicto-metal seal is DHLAg or DHLAgCu28 or DHLAuCu20 or DHLAgCu50.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510017557.0A CN104538923B (en) | 2015-01-13 | 2015-01-13 | A kind of air-tightness list twin-core armored cable switching device |
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| CN201510017557.0A CN104538923B (en) | 2015-01-13 | 2015-01-13 | A kind of air-tightness list twin-core armored cable switching device |
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| CN104538923B true CN104538923B (en) | 2017-03-15 |
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| CN112736833A (en) * | 2020-12-28 | 2021-04-30 | 广东电网有限责任公司中山供电局 | Rapid switching recovery power supply cable assembly |
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| US4039742A (en) * | 1974-11-22 | 1977-08-02 | Preformed Line Products Company | Waterproof cable splice enclosure kit |
| JP3879073B2 (en) * | 1997-03-13 | 2007-02-07 | スリーエム カンパニー | Small coating equipment |
| CN2322294Y (en) * | 1998-01-19 | 1999-06-02 | 陶柏洪 | High-voltage cable joint |
| US7635813B2 (en) * | 2007-09-10 | 2009-12-22 | 3M Innovative Properties Company | Article and method for sealing fluid-containing cables |
| CN101742745B (en) * | 2008-11-14 | 2012-02-29 | 沈阳市中色测温仪表材料研究所有限公司 | Joint for mineral insulation heating cable |
| CN201690199U (en) * | 2010-04-22 | 2010-12-29 | 南通荣泰通信科技有限公司 | Sleeve switching device of communication equipment |
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