CN105826748B - The vacuum high-pressure insulation system of the power supply of vacuum environment simulator or test cable switching - Google Patents
The vacuum high-pressure insulation system of the power supply of vacuum environment simulator or test cable switching Download PDFInfo
- Publication number
- CN105826748B CN105826748B CN201610157479.9A CN201610157479A CN105826748B CN 105826748 B CN105826748 B CN 105826748B CN 201610157479 A CN201610157479 A CN 201610157479A CN 105826748 B CN105826748 B CN 105826748B
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- Prior art keywords
- sealing
- vacuum
- ring
- cable
- hood
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
- H01R13/5205—Sealing means between cable and housing, e.g. grommet
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
- H01R13/521—Sealing between contact members and housing, e.g. sealing insert
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
- H01R13/5216—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases characterised by the sealing material, e.g. gels or resins
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R2201/00—Connectors or connections adapted for particular applications
- H01R2201/20—Connectors or connections adapted for particular applications for testing or measuring purposes
Abstract
The invention discloses a kind of for the power supply of vacuum environment simulator or tests the vacuum high-pressure insulation system of cable switching, including internal hood protection location, external hood protection location, high-voltage metal contact pin, cable switching part, insulation protection component, sealing flange and annulus flange, wherein, cable switching part is by locknut, hollow sealing bar and sealing ring composition, sealing ring is placed in stepped cylinder hole bottom, sealing bar is that both ends are thin, there is the circular tube structure of protrusion step in centre, sealing bar passes through sealing ring, its middle part raised step just pushes down sealing ring, step of the locknut from external compression sealing bar, then sealing ring is compressed, high-voltage metal contact pin is equipped in the hollow sealing bar of cable switching part, high-voltage metal contact pin is arranged in insulation protection component, both ends are respectively used to be welded with the cable of inside and outside.
Description
Technical field
The invention belongs to vacuum environment experimental technique fields, in particular it relates to which one kind can be in vacuum environment mould
The High-Voltage Insulation structure used on quasi- device chamber wall can be used for test products power supply or the switching of test cable in simulator.
Background technique
Spacecraft is the integrated environments such as high vacuum, deep cooling background, solar irradiation in Space-Work environment, for sufficiently verifying boat
Its product working condition under vacuum conditions need to carry out vacuum environment test (thermal vacuum examination in ground space environment simulator
Test, heat balance test, solar irradiation test, vacuum discharge test, low-atmospheric pressure test etc.), examine and exposing product existing for set
Meter problem or processing technology defect.It is high vacuum environment in environment simulator in test, in order to give simulator during the test
Interior testpieces power supply or test need to transfer the power cable outside simulator via the flange through walls on simulation wall,
It is again connect by the cable inside simulator with testpieces, the sealing on chamber wall is realized with this, to guarantee in simulator
Vacuum degree.For certain special test parts, need to connect high-voltage power supply, be directed to wiring post design, binding post insulation,
A series of problems such as sealing, safety protection structure.
In order to meet the High-Voltage Insulation associated specifications that vacuum environment simulator uses, leakproofness meets environmental simulation
Device requirement, insulation performance is good, adapts to the service condition of different voltages value, the flange cable switching knot through walls of good economy performance
Structure.It is necessary to have developed a kind of height that can be used in vacuum test safe and reliable, convenient for disassembly and assembly, the processing is simple, versatility is good
Voltage insulation structure saves economic, raising test to guarantee that power supply is normal during vacuum environment test, guarantees product safety
Process efficiency.
Summary of the invention
The purpose of the present invention is to provide the High-Voltage Insulation structures that one kind can use on vacuum environment simulator, are used for
Realize the power supply unit under vacuum ring moulds device external atmospheric pressure environment to environment simulation facility inner vacuum in vacuum environment test
Testpieces power supply or test under environment, meet insulating requirements when High Voltage Power Supply, securely and reliably, versatility is good.
The present invention is achieved through the following technical solutions:
A kind of vacuum high-pressure insulation system for powering or test cable switching for vacuum environment simulator, including internal tail
Cover protection location, external hood protection location, high-voltage metal probe, cable switching part, insulation protection component, sealing flange and
Annulus flange, two hood protection locations are made of retaining ring, compression ring, sealing ring one and hood respectively, and retaining ring pushes pressure
Tight ring is against being pressed on sealing ring one and be threadedly coupled to hood side；The wherein other side point of internal hood and external hood
It is not threadedly coupled with sealing flange, several stepped cylinder shapes hole is offered on sealing flange so that the high voltage of corresponding number is golden
Belong in probe and insulation protection component load hole, is contained in internal hood and external hood, annulus flange is again by sealing flange
Overall structure is butted against and fixed on the vacuum vessel wall of vacuum environment simulator, wherein cable switching part is by locknut, hollow close
It seals bar and sealing ring two forms, sealing ring two is placed in stepped cylinder hole bottom, and sealing bar is that both ends are thin, and there is protrusion platform in centre
The circular tube structure of rank, sealing bar pass through sealing ring two, and middle part raised step just pushes down sealing ring two, and locknut is used for from outside
The middle part raised step of sealing bar is compressed, sealing ring two is then compressed, is fixedly connected by screw thread with the cylindrical hole of sealing flange,
It realizes the fixation and sealing of sealing bar, high-voltage metal contact pin, high voltage gold is equipped in the hollow sealing bar of cable switching part
Belong to probe to be arranged in insulation protection component, both ends are respectively used to be welded with the cable of inside and outside.
Wherein, insulation protection component is loaded in sealing bar, for making metal probe both ends that the line inside and outside container be respectively welded
Cable-end head comprising sheath, insulation annulus, sealing ring three and sheath ring, metal probe middle part have annulus raised, gold after being welded
Belong to probe side and pass through sheath, the other side sequentially passes through insulation annulus, sealing ring three and sheath ring, by the screw thread of sheath ring with
The internal whorl of sealing bar is fixed.
Wherein, metal probe is copper metal, and cable used in high-tension transmission is respectively welded in both ends, and one end is used for vacuum tube
Outside container, the other end is in vacuum tank.
Wherein, the diameter of metal probe is designed according to maximum voltage value, maximum current value.
Wherein, after cable has welded, through polyimides protective case insulation protection.
Wherein, it is packed into the preset stepped cylinder shape hole of sealing flange after putting on rubber seal and passes through locking mechanism
Locking.In general, a sealing flange can be packed into the contact pin of multiple insulation protections to meet the needs of multiple circuits.
Wherein, the test products connection in the cable and vacuum tank that hood goes out in container, the line that external container hood goes out
Cable with outside vacuum tank power supply or test equipment connect.
Wherein, the quantity of high voltage contact pin and diameter according to vacuum tank aperture flange size, pass through Current Voltage size
Setting, to adapt to different demands.
Preferably, the sheath in insulation protection component, insulation annulus and sheath ring set are all made of polyimide material system
At.
Wherein, sealing flange and annulus flange use stainless steel material, and sealing ring uses cross section close for circular rubber
Seal.
Preferably, after structure processes, non-oil ultra high vacuum system processing is carried out, prevents from being volatized into pollution test specimen in vacuum tank and produces
Product.
Preferably, a small amount of vacuum grease is cooperated to use when sealing ring use.
The present invention have it is following the utility model has the advantages that
(1) structural parameters can be designed according to different power voltage current needs, performance should meet national correlation
Standard.It can also arrange that adaptable, versatility is good according to flange flexible in size by number of cables.
(2) multinomial insulation and seal approach ensure that the electric energy transmission security under high voltage, ensure that in use process
Operator safety ensure that the vacuum degree in vacuum tank can maintain good level.
(3) this structure can finish the connection of high voltage cable adapter flange on convenient workbench, finally property again
It is docked to vacuum tank aperture flange.Easy to operate, docking is quick, securely and reliably.
Detailed description of the invention
Fig. 1 is that the vacuum high-pressure insulation system that cable switching is powered or tested for vacuum environment simulator of the invention shows
It is intended to.
Wherein: 1 retaining ring, 2 compression rings, 3 sealing rings, 4 outside hoods, 5 annulus flanges, 6 locknuts, 7 sealing bars, 8 sealings
Circle, 9 sealing flanges, 10 inside hoods, 11 sealing rings, 12 compression rings, 13 retaining rings；
Fig. 2 is the structural schematic diagram of metal probe insulation protection component of the invention.
Wherein, 14 sheath ring, 15 sealing rings, 16 annulus, 17 contact pins, 18 sheaths.
Specific embodiment
Below in conjunction with attached drawing to the vacuum high-pressure that cable switching is powered or tested for vacuum environment simulator of the invention
Insulation system is described in detail, the merely illustrative purpose of specific embodiment, it is no intended to limit the scope of the invention.
It is high that Fig. 1~2 respectively illustrate the vacuum that cable switching is powered or tested for vacuum environment simulator of the invention
The structure overall schematic of insulation system, and the structure loaded on the metal probe insulation protection component in insulated enclosure bar is pressed to show
It is intended to.It is shown according to Fig. 1 it is found that the vacuum high-pressure that cable switching is powered or tested for vacuum environment simulator of the invention is exhausted
Edge structure includes several major: first part is that retaining ring 1, compression ring 2, sealing ring 3 and external hood 4 form vacuum environment
Hood outside simulator protects structure, for fixing bunch of cables and preventing personnel close to high-voltage line head region；In vacuum tank,
Also there is the hood protection structure an of said function, be made of retaining ring 13, compression ring 12, sealing ring 11 and internal hood 10.
Second part is the high-voltage metal contact pin and its insulation protection structure for the inside and outside cable of vacuum tank of transferring, by locking
Mother 6, sealing bar 7 and sealing ring 8 form, and are wherein hollow structure in sealing bar 7, are installed with high voltage cable connection shown in Fig. 2
Metal probe and its insulation protection, fixed structure.Part III is sealing flange and its fixed structure, by sealing flange 9 and circle
Ring flange 5 forms, and sealing flange is used to install the cable switching structure of fixed second part, and each sealing flange can be fixed more
A cable switching structure.Sealing flange 9 is fixedly connected by thread forms with inside and outside hood, and last annulus flange 5 is again
It will be on the docking of sealing flange overall structure, the circular opening flange being fixed on vacuum vessel wall by bolt.
In this embodiment, it in external hood insulation protection structure, is welded in External cable and high-voltage metal contact pin
Before connecing, cable should initially pass through retaining ring 1, compression ring 2, sealing ring 3, external hood 4.The hood end of 3 present position of sealing ring
For stepped cylinder hole, for the placement of sealing ring 3, stepped cylinder hole portion is divided into internal screw thread, carries out screw thread company with retaining ring 1
It connects.Erection sequence is that sealing ring 3 is located at stepped cylinder hole bottom, and then places compression ring 2, then place retaining ring outward
1, when retaining ring is tightened by screw thread and hood, push compression ring 2 squeeze sealing ring 3 realize to cable bundle it is good it is fixed with
Sealing, this structure can be very good the case where protecting cable bundle end not to be shaken, contact, prevent poor contact, in addition,
Can also dustproof and waterproof well, protect the safety of high voltage cable translation field.
In this embodiment, built-in electrical insulation hood protection structure is by retaining ring 13, compression ring 12, sealing ring 11 and interior
Portion's hood 10 forms.Built-in electrical insulation hood and exterior insulation hood have the function of similar structure and identical mounting means and.
In this embodiment, it is stepped bore that sealing flange 9, which is used to install the cylindrical hole of cable switching sealing bar 7,
Internal screw thread.Sealing ring 8 is placed in the stepped cylinder hole bottom.Sealing bar 7 is that both ends are thin, and there is the round tube knot of protrusion step in centre
Structure, sealing bar 7 pass through sealing ring 8, and wherein raised step just pushes down sealing ring 8.Locknut 6 is used to compress sealing bar 7 from outside
Middle part raised step, then compress sealing ring 8, be fixedly connected by screw thread with the cylindrical hole of sealing flange 9, realization sealing bar
Fixation and sealing.This sealing rod structure is multiple because number of cables difference can have, and mounting means is consistent.
In this embodiment, metal probe insulation protection structure shown in Fig. 2 is loaded in sealing bar 7, for connecting
Two sections of cable knob inside and outside vacuum tank.Copper 17 both ends of metal probe are respectively welded cable knob inside and outside container, in contact pin
Portion has annulus raised, is welded on the left of rear contact pin 17 and passes through sheath 18, and right side sequentially passes through insulation annulus 16, sealing ring 15 and shield
Lantern ring 14.This structure is fixed by the screw thread of sheath ring 14 with 7 internal whorl of sealing bar.
In this embodiment, the interior edge of sealing ring 8 is smaller than 9 outer of sealing flange, when installing sealing in sealing flange 9
After bar and related seals structure, internal hood structure, external hood structure, sealing ring 8 fixes sealing flange overall structure
In on the aperture flange on vacuum environment simulation container side wall.Sealing ring 8 processes smooth, the pressure of sealing ring 8 with 9 surface of sealing flange
It is tightened to aperture flange by bolt, sealing effect is good the outer of tight sealing flange 9.After installing, in internal hood structure
The cable bundle that portion comes out can connect the testpieces in vacuum tank, and the cable bundle that external hood end comes out is for connecting vacuum
The power supply unit of external container, each cable in cable bundle should detect whether to be connected and number dated correspondence before use one by one
Relationship.
Although the detailed description and description of the specific embodiments of the present invention are given above, it should be noted that
We can carry out various equivalent changes and modification to above embodiment according to the concept of the present invention, and generated function is made
It, should all be within protection scope of the present invention when with the spirit still covered without departing from specification and attached drawing.
Claims (9)
1. the vacuum high-pressure insulation system of cable switching is powered or tested for vacuum environment simulator, including the protection of internal hood
Unit, external hood protection location, high-voltage metal probe, cable switching part, insulation protection component, sealing flange and ring method
Orchid, two hood protection locations are made of retaining ring, compression ring, sealing ring one and hood respectively, and retaining ring pushes compression ring to support
By being pressed on sealing ring one and being threadedly coupled to hood side；Wherein the other side of internal hood and outside hood respectively with it is close
Flange is sealed to be threadedly coupled, offer several stepped cylinder shapes hole on sealing flange so that corresponding number high-voltage metal probe
And in insulation protection component load hole, it is contained in internal hood and external hood, annulus flange again integrally ties sealing flange
Structure is butted against and fixed on the vacuum vessel wall of vacuum environment simulator, wherein cable switching part by locknut, hollow sealing bar and
Sealing ring two forms, and sealing ring two is placed in stepped cylinder hole bottom, and sealing bar is that both ends are thin, and there is the circle of protrusion step in centre
Pipe structure, sealing bar pass through sealing ring two, and middle part raised step just pushes down sealing ring two, and locknut is used to compress from outside close
The middle part raised step of bar is sealed, sealing ring two is then compressed, is fixedly connected by screw thread with the cylindrical hole of sealing flange, is realized close
The fixation and sealing of bar are sealed, is equipped with high-voltage metal probe, high-voltage metal probe in the hollow sealing bar of cable switching part
It is arranged in insulation protection component, both ends are respectively used to be welded with the cable of inside and outside, wherein insulation protection component is loaded on
In sealing bar, for making metal probe both ends that the cable knob inside and outside container be respectively welded comprising sheath, insulation annulus, close
Seal three and sheath ring, metal probe middle part have annulus raised, rear metal probe side are welded across sheath, the other side is successively
Across insulation annulus, sealing ring three and sheath ring, fixed by the screw thread of sheath ring and the internal whorl of sealing bar.
2. vacuum high-pressure insulation system as described in claim 1, wherein high-voltage metal probe is copper metal, both ends point
Not Han Jie cable used in high-tension transmission, one end is for outside vacuum tubular container, the other end to be in vacuum tank.
3. vacuum high-pressure insulation system as described in claim 1, wherein the diameter of metal probe according to maximum voltage value, most
High current value is designed.
4. vacuum high-pressure insulation system as described in claim 1, wherein exhausted through polyimides protective case after cable has welded
Edge protection.
5. vacuum high-pressure insulation system as described in claim 1, wherein in the cable and vacuum tank that hood goes out in container
Test products connection, the power supply or test equipment connection outside cable and vacuum tank that external container hood goes out.
6. vacuum high-pressure insulation system as described in claim 1, wherein the quantity of metal probe is according to vacuum tank aperture method
Blue size is arranged by Current Voltage size, to adapt to different demands.
7. vacuum high-pressure insulation system as claimed in claim 2, wherein sheath in insulation protection component, insulation annulus and
Sheath ring set is all made of polyimide material and is made.
8. vacuum high-pressure insulation system as described in claim 1, wherein sealing flange and annulus flange use stainless steel
Material, sealing ring use cross section for circular rubber seal.
9. vacuum high-pressure insulation system as described in claim 1, wherein all sealing rings using when cooperate a small amount of vacuum grease to make
With.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610157479.9A CN105826748B (en) | 2016-03-18 | 2016-03-18 | The vacuum high-pressure insulation system of the power supply of vacuum environment simulator or test cable switching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610157479.9A CN105826748B (en) | 2016-03-18 | 2016-03-18 | The vacuum high-pressure insulation system of the power supply of vacuum environment simulator or test cable switching |
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| Publication Number | Publication Date |
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| CN105826748A CN105826748A (en) | 2016-08-03 |
| CN105826748B true CN105826748B (en) | 2019-01-22 |
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| CN201610157479.9A Active CN105826748B (en) | 2016-03-18 | 2016-03-18 | The vacuum high-pressure insulation system of the power supply of vacuum environment simulator or test cable switching |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111243929B (en) * | 2018-11-29 | 2022-06-24 | 江苏鲁汶仪器有限公司 | High-voltage line transmission device |
| US10794413B2 (en) * | 2018-12-04 | 2020-10-06 | Nanya Technology Corporation | Connection assembly |
| CN110529666A (en) * | 2019-08-23 | 2019-12-03 | 上海船舶电子设备研究所(中国船舶重工集团公司第七二六研究所) | Detachable crossing cabin watertight structure |
| CN112787276A (en) * | 2019-11-08 | 2021-05-11 | 核工业理化工程研究院 | Cable protection structure and centrifugal extractor |
| CN113427751B (en) * | 2021-06-25 | 2024-04-16 | 安徽百商百德电缆有限公司 | Vacuum air extractor for drum cable sheath |
| CN113893980B (en) * | 2021-09-23 | 2022-07-26 | 中国科学院金属研究所 | Fixing and locking device of plasma inner hole spray gun |
| CN113991593B (en) * | 2021-10-11 | 2023-09-08 | 许昌许继软件技术有限公司 | Balanced pneumatic sleeve for power equipment and connecting method thereof |
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| CN104155726A (en) * | 2014-08-22 | 2014-11-19 | 北京卫星环境工程研究所 | High-air-tightness multi-core optical fiber through-cabin sealing connector |
| CN104966934A (en) * | 2015-06-30 | 2015-10-07 | 任跃飞 | Modular connector and modular connector assembly |
| CN105071165A (en) * | 2015-08-13 | 2015-11-18 | 四川永贵科技有限公司 | Change-over type electrical connector |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7419397B2 (en) * | 2006-11-13 | 2008-09-02 | Caterpillar Inc. | High voltage connector assembly |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104155726A (en) * | 2014-08-22 | 2014-11-19 | 北京卫星环境工程研究所 | High-air-tightness multi-core optical fiber through-cabin sealing connector |
| CN104966934A (en) * | 2015-06-30 | 2015-10-07 | 任跃飞 | Modular connector and modular connector assembly |
| CN105071165A (en) * | 2015-08-13 | 2015-11-18 | 四川永贵科技有限公司 | Change-over type electrical connector |
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