CN105826748A - Vacuum high-voltage insulation structure for vacuum environment simulator power supply or cable transferring test - Google Patents
Vacuum high-voltage insulation structure for vacuum environment simulator power supply or cable transferring test Download PDFInfo
- Publication number
- CN105826748A CN105826748A CN201610157479.9A CN201610157479A CN105826748A CN 105826748 A CN105826748 A CN 105826748A CN 201610157479 A CN201610157479 A CN 201610157479A CN 105826748 A CN105826748 A CN 105826748A
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- sealing
- vacuum
- cable
- hood
- ring
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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
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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
- H01R13/521—Sealing between contact members and housing, e.g. sealing insert
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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
- H01R13/5216—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
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- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Testing Relating To Insulation (AREA)
Abstract
The invention discloses a vacuum high-voltage insulation structure for vacuum environment simulator power supply or cable transferring test, which comprises an inner rear cover protection unit, an outer rear cover protection unit, a high-voltage metal pin, a cable adapter, an insulation protection part, a sealed flange and a ring flange, wherein the cable adapter is composed of a lock nut, a hollow sealing rod and a sealing circle; the sealing circle is placed at the bottom of a stepped cylindrical hole; the sealing rod has a round pipe structure with two thin heads and a middle protruding step; the sealing rod passes through the sealing circle, the middle protruding step right presses the sealing circle, the lock nut tightly presses the step of the sealing rod from outside, the sealing circle is thus pressed, the high-voltage metal pin is arranged in the hollow sealing rod of the cable adapter in a passing mode, the high-voltage metal pin is arranged in the insulation protection part, and the two ends are respectively welded with inner and outer cables.
Description
Technical field
The invention belongs to vacuum environment experimental technique field, in particular it relates to a kind of High-Voltage Insulation structure that can use on vacuum environment simulator chamber wall, in can be used for simulator, test products is powered or tests the switching of cable.
Background technology
Spacecraft is the integrated environments such as fine vacuum, deep cooling background, solar irradiation at Space-Work environment, for fully checking space product duty under vacuum conditions, design problem or processing technique defect that vacuum environment test (thermal vacuum test, heat balance test, solar irradiation test, vacuum discharge test, low-atmospheric pressure test etc.), inspection and exposing product exist need to be carried out in ground space environment simulator.In test, it is high vacuum environment in environment simulator, in order to power to the testpieces in simulator or test in process of the test, need the power cable outside simulator via the flange through walls switching on simulation wall, it is connected with testpieces by the cable within simulator again, the sealing on chamber wall is realized with this, thus the vacuum in ensureing simulator.For some special test part, need to connect high-voltage power supply, be directed to a series of difficult problems such as binding post design, binding post insulation, sealing, safety protection structure.
In order to meet the High-Voltage Insulation associated specifications that vacuum environment simulator uses, sealing meets environment simulator requirement, and insulating properties are good, adapts to the service condition of different magnitude of voltage, the flange cable switching structure through walls of good economy performance.Be necessary to have developed a kind of safe and reliable, easy accessibility, processing is simple, versatility the is good High-Voltage Insulation structure that can be used in vacuum test, to ensure that in vacuum environment process of the test, power supply is normal, ensure product safety, save economy, improve process of the test efficiency.
Summary of the invention
It is an object of the invention to provide a kind of High-Voltage Insulation structure that can use on vacuum environment simulator, in testing in vacuum environment, realize the testpieces under environment simulation facility inner vacuum environment of the power supply unit under vacuum ring mould device external atmospheric pressure environment power or test, meet insulating requirements during High Voltage Power Supply, safe and reliable, versatility is good.
The present invention is achieved through the following technical solutions:
A kind of vacuum high-pressure insulation system powered for vacuum environment simulator or test cable switching; including internal hood protected location, outside hood protected location, high-voltage metal contact pin, cable switching part, insulation protection parts, sealing flange and annulus flange; two hood protected locations are made up of retaining ring, hold-down ring, sealing ring one and hood respectively, and retaining ring promotes hold-down ring against being pressed on sealing ring one and being threadedly coupled to hood side；nullWherein the opposite side of internal hood and outside hood is threadeded with sealing flange respectively，Some stepped cylindrical holes are offered so that in the high-voltage metal probe of respective amount and insulation protection parts load hole on sealing flange，It is contained in internal hood and outside hood，Sealing flange overall structure is docked and is fixed on the vacuum vessel wall of vacuum environment simulator by annulus flange again，Wherein，Cable switching part is by locknut、Hollow sealing bar and sealing ring two form，Sealing ring two is positioned over bottom stepped cylindrical hole，Seal bar is that two is thin，There is the circular tube structure of protrusion step centre，Seal bar passes sealing ring two，In the middle part of it, raised step just pushes down sealing ring two，Locknut for compressing the middle part raised step of seal bar from outside，Then sealing ring two is compressed，It is connected by screw thread is fixing with the cylindrical hole of sealing flange，Realize the fixing of seal bar and seal，The hollow sealing bar of cable switching part is equipped with high-voltage metal contact pin，High-voltage metal contact pin is arranged in insulation protection parts，The cable that two ends are respectively used to inside and outside welds.
Wherein, insulation protection parts are loaded in seal bar; for making metal ferrule two ends be respectively welded the cable knob inside and outside container; it includes sheath, insulation annulus, sealing ring three and sheath ring; there is annulus protruding in the middle part of metal ferrule; after welding is good, metal ferrule side is through sheath, and opposite side sequentially passes through insulation annulus, sealing ring three and sheath ring, is fixed with the internal whorl of seal bar by the screw thread of sheath ring.
Wherein, conductive pin is copper metal, and two ends are respectively welded cable used by high-tension transmission, and one end is outside vacuum tube container, and the other end is in Dewar vessel.
Wherein, the diameter of metal ferrule is designed according to maximum voltage value, maximum current value.
Wherein, after cable has welded, through polyimides protection set insulation protection.
Wherein, in loading, after putting rubber seal, the stepped cylindrical hole that sealing flange is preset and locked by locking mechanism.Generally, a sealing flange can load the contact pin of multiple insulation protection to meet the demand in multiple loop.
Wherein, the cable that in container, hood goes out is connected with the test products in Dewar vessel, and the cable that external container hood goes out is connected with the power supply outside Dewar vessel or test equipment.
Wherein, the quantity of high voltage contact pin and diameter according to Dewar vessel perforate flange size, arranged by current/voltage size, to adapt to different demands.
Preferably, the sheath in insulation protection parts, insulation annulus and sheath ring set all use polyimide material to make.
Wherein, sealing flange and annulus flange use stainless steel material, and sealing ring uses cross section to be circular rubber seal.
Preferably, after structure processes, carry out non-oil ultra high vacuum system process, prevent from being volatized into Dewar vessel internal contamination test specimen product.
Preferably, sealing ring coordinates a small amount of vacuum grease to use when using.
The present invention has a following beneficial effect:
(1) can be designed structural parameters according to different power voltage current needs, its performance should meet relevant national standard.Being arranged also dependent on flange flexible in size by number of cables, strong adaptability, versatility is good.
(2) multinomial insulation and seal approach, it is ensured that the electric energy transmission security under high voltage, it is ensured that operator safety during use, it is ensured that the vacuum in Dewar vessel can maintain good level.
(3) high voltage cable adapter flange can be connected complete on convenient workbench by this structure, and property is docked to Dewar vessel perforate flange the most again.Easy to operate, docking is quickly, safe and reliable.
Accompanying drawing explanation
Fig. 1 is powering for vacuum environment simulator or testing the vacuum high-pressure insulation system schematic diagram of cable switching of the present invention.
Wherein: 1 retaining ring, 2 hold-down rings, 3 sealing rings, 4 outside hoods, 5 annulus, 6 locknuts, 7 seal bar, 8 sealing rings, 9 sealing flanges, 10 internal hoods, 11 sealing rings, 12 hold-down rings, 13 retaining rings；
Fig. 2 is the structural representation of the metal ferrule insulation protection parts of the present invention.
Wherein, 14 sheath rings, 15 sealing rings, 16 annulus, 17 contact pins, 18 sheaths.
Detailed description of the invention
Below in conjunction with accompanying drawing powering for vacuum environment simulator or testing the vacuum high-pressure insulation system of cable switching and be described in detail the present invention, the purpose that detailed description of the invention is merely illustrative, it is no intended to limit the scope of the invention.
Fig. 1～2 respectively illustrates powering for vacuum environment simulator or testing the structure overall schematic of vacuum high-pressure insulation system of cable switching, and the structural representation of the metal ferrule insulation protection parts being loaded in insulated enclosure bar of the present invention.Show according to Fig. 1 and understand; powering for vacuum environment simulator or testing the vacuum high-pressure insulation system of cable switching of the present invention includes a few major part: Part I is the hood protection structure that retaining ring 1, hold-down ring 2, sealing ring 3 and outside hood 4 form outside vacuum environment simulator, is used for fixing bunch of cables and preventing personnel close to high-voltage line head region；In Dewar vessel, also there is the hood protection structure of a said function, be made up of retaining ring 13, hold-down ring 12, sealing ring 11 and internal hood 10.Part II is the high-voltage metal contact pin for the inside and outside cable of Dewar vessel of transferring and insulation protection structure thereof; it is made up of locknut 6, seal bar 7 and sealing ring 8; it is wherein hollow structure in seal bar 7, is installed with the high voltage cable shown in Fig. 2 and connects metal ferrule and insulation protection, fixed structure.Part III is sealing flange and fixed structure thereof, is made up of sealing flange 9 and annulus flange 5, and sealing flange is for installing the cable switching structure of fixing Part II, and each sealing flange can fix multiple cable switching structure.Sealing flange 9 is connected by thread forms and inside and outside hood are fixing, and last annulus flange 5 passes through bolt again by the docking of sealing flange overall structure, the round hole flange that is fixed on vacuum vessel wall.
In this embodiment, in outside hood insulation protection structure, before External cable welds with high-voltage metal contact pin, cable should initially pass through retaining ring 1, hold-down ring 2, sealing ring 3, outside hood 4.The hood end of sealing ring 3 present position is notch cuttype cylindrical hole, and for the placement of sealing ring 3, notch cuttype cylindrical hole portion is female thread, threadeds with retaining ring 1.Erection sequence is; sealing ring 3 is positioned at bottom notch cuttype cylindrical hole; and then place hold-down ring 2, then place retaining ring 1 outward, when retaining ring is tightened with hood by screw thread; hold-down ring 2 crush seal circle 3 is promoted to realize the good fixing of cable bundle and seal; this structure can well protect cable bundle termination not to be shaken, contact, and prevents the situation of loose contact, in addition; can also dustproof and waterproof well, the safety of protection high voltage cable translation field.
In this embodiment, built-in electrical insulation hood protection structure is made up of retaining ring 13, hold-down ring 12, sealing ring 11 and internal hood 10.Built-in electrical insulation hood has similar structure and identical mounting means and function with exterior insulation hood.
In this embodiment, sealing flange 9 is stepped bore for installing the cylindrical hole of cable switching seal bar 7, female thread.Sealing ring 8 is positioned over bottom this notch cuttype cylindrical hole.Seal bar 7 is that two is thin, and there is the circular tube structure of protrusion step centre, and seal bar 7 is through sealing ring 8, and its, raised step just pushed down sealing ring at noon.Locknut 6 is used for compressing the middle part raised step of seal bar 7 from outside, then compresses sealing ring 8, is connected by screw thread is fixing with the cylindrical hole of sealing flange 9, it is achieved the fixing and sealing of seal bar.This seal bar structure can have multiple because of number of cables difference, and mounting means is consistent.
In this embodiment, the metal ferrule insulation protection structure shown in Fig. 2 is loaded in seal bar 7, for connecting the cable knob of two sections inside and outside Dewar vessel.Copper metal ferrule 17 two ends are respectively welded cable knob inside and outside container, have annulus protruding in the middle part of contact pin, and through sheath 18 on the left of contact pin 17 after welding is good, right side sequentially passes through insulation annulus 16, sealing ring 15 and sheath ring 14.This structure is fixed with seal bar 7 internal whorl by the screw thread of sheath ring 14.
In this embodiment, the interior edge of annulus 8 is less than sealing flange outer, after installing seal bar and related seals structure, internal hood structure, outside hood structure in sealing flange 4, sealing flange overall structure is fixed on the perforate flange on vacuum environment simulation container side wall by annulus 8.Annulus more than 8 sealing flange 4 Surface Machining is smooth, and annulus 8 compresses the outer of sealing flange 4 to perforate flange, is tightened by bolt, and sealing effectiveness is good.After installing, internal hood inside configuration cable bundle out can connect the testpieces in Dewar vessel, outside hood end cable bundle out is for connecting the power supply unit outside Dewar vessel, and each bar cable in cable bundle should detect whether conducting before use one by one and number dated corresponding relation.
Although the detailed description of the invention to the present invention gives detailed description and explanation above; but it should be noted that; we can carry out various equivalence according to the conception of the present invention to above-mentioned embodiment and change and amendment; function produced by it still without departing from description and accompanying drawing contained spiritual time, all should be within protection scope of the present invention.
Claims (10)
1. power for vacuum environment simulator or test the vacuum high-pressure insulation system of cable switching for one kind; including internal hood protected location, outside hood protected location, high-voltage metal contact pin, cable switching part, insulation protection parts, sealing flange and annulus flange; two hood protected locations are made up of retaining ring, hold-down ring, sealing ring one and hood respectively, and retaining ring promotes hold-down ring against being pressed on sealing ring one and being threadedly coupled to hood side；nullWherein the opposite side of internal hood and outside hood is threadeded with sealing flange respectively，Some stepped cylindrical holes are offered so that in the high-voltage metal probe of respective amount and insulation protection parts load hole on sealing flange，It is contained in internal hood and outside hood，Sealing flange overall structure is docked and is fixed on the vacuum vessel wall of vacuum environment simulator by annulus flange again，Wherein，Cable switching part is by locknut、Hollow sealing bar and sealing ring two form，Sealing ring two is positioned over bottom stepped cylindrical hole，Seal bar is that two is thin，There is the circular tube structure of protrusion step centre，Seal bar passes sealing ring two，In the middle part of it, raised step just pushes down sealing ring two，Locknut for compressing the middle part raised step of seal bar from outside，Then sealing ring two is compressed，It is connected by screw thread is fixing with the cylindrical hole of sealing flange，Realize the fixing of seal bar and seal，The hollow sealing bar of cable switching part is equipped with high-voltage metal contact pin，High-voltage metal contact pin is arranged in insulation protection parts，The cable that two ends are respectively used to inside and outside welds.
2. vacuum high-pressure insulation system as claimed in claim 1; wherein; insulation protection parts are loaded in seal bar; for making metal ferrule two ends be respectively welded the cable knob inside and outside container; it includes sheath, insulation annulus, sealing ring three and sheath ring, has annulus protruding in the middle part of metal ferrule, and after welding is good, metal ferrule side is through sheath; opposite side sequentially passes through insulation annulus, sealing ring three and sheath ring, is fixed with the internal whorl of seal bar by the screw thread of sheath ring.
3. vacuum high-pressure insulation system as claimed in claim 2, wherein, conductive pin is copper metal, and two ends are respectively welded cable used by high-tension transmission, and one end is outside vacuum tube container, and the other end is in Dewar vessel.
4. vacuum high-pressure insulation system as claimed in claim 1, wherein, the diameter of metal ferrule is designed according to maximum voltage value, maximum current value.
5. vacuum high-pressure insulation system as claimed in claim 1, wherein, after cable has welded, through polyimides protection set insulation protection.
6. vacuum high-pressure insulation system as claimed in claim 1, wherein, the cable that in container, hood goes out is connected with the test products in Dewar vessel, and the cable that external container hood goes out is connected with the power supply outside Dewar vessel or test equipment.
7. vacuum high-pressure insulation system as claimed in claim 1, wherein, the quantity of metal ferrule according to Dewar vessel perforate flange size, arranged by current/voltage size, to adapt to different demands.
8. vacuum high-pressure insulation system as claimed in claim 2, sheath, insulation annulus and sheath ring set in insulation protection parts all use polyimide material to make.
9. vacuum high-pressure insulation system as claimed in claim 1, wherein, sealing flange and annulus flange use stainless steel material, and sealing ring uses cross section to be circular rubber seal.
10. vacuum high-pressure insulation system as claimed in claim 1, wherein, all sealing rings coordinate a small amount of vacuum grease to use when using.
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 true CN105826748A (en) | 2016-08-03 |
| CN105826748B 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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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN111243929A (en) * | 2018-11-29 | 2020-06-05 | 江苏鲁汶仪器有限公司 | High-voltage line transmission device |
| CN111278209A (en) * | 2018-12-04 | 2020-06-12 | 南亚科技股份有限公司 | Connecting assembly |
| CN112787276A (en) * | 2019-11-08 | 2021-05-11 | 核工业理化工程研究院 | Cable protection structure and centrifugal extractor |
| CN113427751A (en) * | 2021-06-25 | 2021-09-24 | 安徽百商百德电缆有限公司 | Vacuum air exhaust device for cable sheath of winding drum |
| CN113492243A (en) * | 2020-03-20 | 2021-10-12 | 上海朗仕电子设备有限公司 | External power supply device for vacuum reflow soldering furnace |
| CN113893980A (en) * | 2021-09-23 | 2022-01-07 | 中国科学院金属研究所 | Fixing and locking device of plasma inner hole spray gun |
| CN113991593A (en) * | 2021-10-11 | 2022-01-28 | 许昌许继软件技术有限公司 | Balanced air pressure type sleeve of power equipment and connecting method thereof |
| CN114113922A (en) * | 2020-11-25 | 2022-03-01 | 核工业理化工程研究院 | Dynamically adjustable vacuum ignition air inlet device and adjusting 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 |
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Cited By (13)
| 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 |
| CN111243929A (en) * | 2018-11-29 | 2020-06-05 | 江苏鲁汶仪器有限公司 | High-voltage line transmission device |
| CN111278209A (en) * | 2018-12-04 | 2020-06-12 | 南亚科技股份有限公司 | Connecting 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 |
| CN113492243A (en) * | 2020-03-20 | 2021-10-12 | 上海朗仕电子设备有限公司 | External power supply device for vacuum reflow soldering furnace |
| CN114113922A (en) * | 2020-11-25 | 2022-03-01 | 核工业理化工程研究院 | Dynamically adjustable vacuum ignition air inlet device and adjusting method thereof |
| CN113427751A (en) * | 2021-06-25 | 2021-09-24 | 安徽百商百德电缆有限公司 | Vacuum air exhaust device for cable sheath of winding drum |
| 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 |
| CN113893980A (en) * | 2021-09-23 | 2022-01-07 | 中国科学院金属研究所 | Fixing and locking device of plasma inner hole spray gun |
| 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 |
| CN113991593A (en) * | 2021-10-11 | 2022-01-28 | 许昌许继软件技术有限公司 | Balanced air pressure type sleeve of power equipment and connecting method thereof |
| 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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| CN105826748B (en) | 2019-01-22 |
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