CN108336614B - High temperature irradiation resistant double coaxial connection structure - Google Patents
High temperature irradiation resistant double coaxial connection structure Download PDFInfo
- Publication number
- CN108336614B CN108336614B CN201711418136.4A CN201711418136A CN108336614B CN 108336614 B CN108336614 B CN 108336614B CN 201711418136 A CN201711418136 A CN 201711418136A CN 108336614 B CN108336614 B CN 108336614B
- Authority
- CN
- China
- Prior art keywords
- sleeve
- shield
- shielding
- tail cover
- connection structure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
- H01R24/38—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts
-
- 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
- H01R13/533—Bases, cases made for use in extreme conditions, e.g. high temperature, radiation, vibration, corrosive environment, pressure
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
- H01R24/38—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts
- H01R24/40—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts specially adapted for high frequency
- H01R24/56—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts specially adapted for high frequency specially adapted to a specific shape of cables, e.g. corrugated cables, twisted pair cables, cables with two screens or hollow cables
- H01R24/562—Cables with two screens
Abstract
The invention belongs to the technical field of material level detection in nuclear power industry, and particularly relates to a high-temperature irradiation resistant double-coaxial connection structure. The tail cover fastener, the spring tail cover, the outer shell, the outer shielding compression joint sleeve, the outer shielding compression joint body, the middle shielding compression joint sleeve, the middle shielding compression joint body, the cable protection piece and the outer sleeve nut are sequentially sleeved into the double coaxial cables; the elastic terminal is in compression joint with the central conductors of the double coaxial cables, the middle shielding connecting piece is wrapped and sleeved by the ceramic insulating piece, and the middle shielding compression joint body is fastened with the middle shielding connecting piece; the middle shield of the double coaxial cables is pressed on the sleeve at the rear end of the middle shield pressing body through the sleeve; the double coaxial cable outer shield is pressed on the sleeve at the rear end of the outer shield pressing body through the sleeve; the elastic terminal is inserted on the central conductor of the measuring probe, the outer sleeve nut is tightly fixed with the middle of the measuring probe in a shielding manner, the outer shell is tightly fixed with the outer shield of the measuring probe, and the spring tail cover is tightly fixed on the outer shell through the tail cover fastening piece, so that the measuring probe is reliably connected with the double coaxial cables.
Description
Technical Field
The invention belongs to the technical field of object position detection in nuclear power industry, and particularly relates to a high-temperature irradiation resistant double-coaxial connection structure.
Background
The design method is matched with the construction of the demonstration engineering of the high-temperature gas cooled reactor of the nuclear research institute of Qinghua university and the research and development requirements of the independent research and development equipmentThe level sensor of the ball storage tank is researched, developed and applied under the environment. In the process of research and development, the reliable transmission of the dual coaxial cable signals in the high-temperature and irradiation environment is always a difficult problem to be solved. The working environment requirement in the ball storage tank is as follows: the environment temperature is 350 ℃, and the radiation-resistant magnitude is 1 multiplied by 106Gray, design Life 40 years. Graphite nodules can generate a large amount of graphite dust in a high-temperature environment and in a movement process, and the graphite dust is a good conductor, so that the attachment of the dust can influence the measurement of the material level of the graphite nodules. The signal that needs detect with measuring probe transmits for external transmitting part in storing the spherical tank, at this moment, needs to burn to connect subassembly mechanical structure research and development connection structure to the probe, realizes that probe mechanical structure and two coaxial cable reliably are connected for a long time under high temperature, irradiation environment.
Disclosure of Invention
The invention aims to provide a high-temperature irradiation resistant double-coaxial connection structure which can resist high temperature irradiation at 350 ℃ and the irradiation magnitude of 1 multiplied by 106Gray and conductive dust environment.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
a high-temperature irradiation resistant double-coaxial connection structure comprises a tail cover fastener, a spring tail cover, an outer shell, an outer shielding compression joint sleeve, an outer shielding compression joint body, a middle shielding compression joint sleeve, a middle shielding compression joint body, a cable protection piece and a sleeve nut, wherein double coaxial cables are sequentially sleeved in the tail cover fastener, the spring tail cover, the outer shell, the outer shielding compression joint sleeve, the outer shielding compression joint body, the middle shielding compression joint body; the elastic terminal is pressed with the center conductor of the double coaxial cable, wrapped by a ceramic insulating piece and sleeved in the middle shielding connecting piece, and the middle shielding pressing body is fastened with the middle shielding connecting piece; the middle shield of the double coaxial cables is connected to the rear end sleeve of the middle shield crimping body in a crimping way through the middle shield crimping sleeve; the outer shield of the double coaxial cables is connected to the sleeve at the rear end of the outer shield crimping body in a crimping way through the outer shield crimping sleeve; the well pressed elastic terminal is inserted on the central conductor of the measuring probe, the outer sleeve nut is tightly fixed with the middle of the measuring probe in a shielding way, the outer shell is tightly fixed with the outer shield of the measuring probe, and the spring tail cover is tightly fixed on the outer shell through the tail cover fastener.
And the double coaxial cables are subjected to wire stripping treatment.
The middle shielding compression joint body is fastened with the middle shielding connecting piece through threads.
The outer sleeve nut and the middle shield of the measuring probe are fastened through threads.
The outer shell and the outer shield of the measuring probe are fastened through threads.
The beneficial effects obtained by the invention are as follows:
the invention passes the relevant type tests of high temperature, sealing pressure, irradiation and the like, and carries out impact and shock resistance tests, thereby fully verifying that the probe welding assembly can meet the reliable connection between the probe welding assembly and the double coaxial cables in the environments of high temperature, high pressure, irradiation and graphite dust.
Drawings
FIG. 1 is a schematic diagram of a dual coaxial connection structure resistant to high temperature radiation;
1-a nut is sleeved; 2-a ceramic insulator; 3-intermediate shield connections; 4-an elastic terminal; 5-a cable protector; 6-intermediate shield crimp body; 7-middle shielding crimping sleeve; 8-an outer shell; 9-an outer shield crimp body; 10-an outer shielding crimping sleeve; 11-tail cover fasteners; 12-spring tail cap; 13-a measuring probe; 14-double coaxial cable; 15-double coaxial cable external shield; 16-double coaxial cable intermediate shield; 17-dual coaxial cable center conductor; 18-measuring probe external shield; 19-intermediate shielding of the measuring probe; 20-measuring probe center conductor.
Detailed Description
The invention is described in detail below with reference to the figures and specific embodiments.
As shown in fig. 1, the dual coaxial connection structure of the present invention is as follows: the tail cover fastener 11, the spring tail cover 12, the outer shell 8, the outer shielding crimping sleeve 10, the outer shielding crimping body 9, the middle shielding crimping sleeve 7, the middle shielding crimping body 6, the cable protection piece 5 and the outer sleeve nut 1 are sequentially sleeved into the double coaxial cables 14; stripping the double coaxial cables 14, crimping the elastic terminals 4 and the central conductors 17 of the double coaxial cables, wrapping the elastic terminals with the ceramic insulating parts 2, sleeving the elastic terminals into the middle shielding connecting parts 3, and fastening the middle shielding crimping bodies 6 and the middle shielding connecting parts 3 in a threaded manner; the double coaxial cable middle shield 16 is pressed on the rear end sleeve of the middle shield pressing connection body 6 through the middle shield pressing connection sleeve 7; the double coaxial cable outer shield 15 is pressed on the sleeve at the rear end of the outer shield pressing connection body 9 through the outer shield pressing connection sleeve 10; the well-pressed elastic terminal 4 is inserted on a central conductor 20 of the measuring probe, the outer sleeve nut 1 is fastened with a middle shield 19 of the measuring probe through threads, the outer shell 8 is fastened with an outer shield 18 of the measuring probe through threads, and the spring tail cover 12 is fastened on the outer shell 8 through the tail cover fastener 11, so that the reliable connection between the measuring probe 13 and the double coaxial cables 14 is realized.
Claims (5)
1. The utility model provides a high temperature resistant irradiation's two coaxial coupling structure which characterized in that: the spring tail cover (12) is sleeved on the double coaxial cables (14), the tail cover fastener (11) is sleeved on the spring tail cover (12), and the spring tail cover (12) is fixed by the tail cover fastener (11); the outer shell (8), the outer shielding crimping sleeve (10), the outer shielding crimping body (9), the middle shielding crimping sleeve (7), the middle shielding crimping body (6), the cable protection piece (5) and the outer sleeve nut (1) are sequentially sleeved into the double coaxial cables (14); the elastic terminal (4) is in compression joint with the center conductor (17) of the double coaxial cable, is wrapped by the ceramic insulating part (2), is sleeved into the middle shielding connecting part (3), and the middle shielding compression joint body (6) is fastened with the middle shielding connecting part (3); the double coaxial cable middle shield (16) is pressed on the rear end sleeve of the middle shield pressing connection body (6) through the middle shield pressing connection sleeve (7); the double coaxial cable outer shield (15) is pressed on the sleeve at the rear end of the outer shield pressing body (9) through the outer shield pressing sleeve (10); the well pressed elastic terminal (4) is inserted on a central conductor (20) of the measuring probe, the outer sleeve nut (1) is fastened with a middle shield (19) of the measuring probe, the outer shell (8) is fastened with an outer shield (18) of the measuring probe, and the spring tail cover (12) is fastened on the outer shell (8) through a tail cover fastener (11).
2. The dual coaxial connection structure of claim 1, wherein the dual coaxial connection structure is characterized in that: and the double coaxial cables (14) are subjected to wire stripping treatment.
3. The dual coaxial connection structure of claim 1, wherein the dual coaxial connection structure is characterized in that: the middle shielding compression joint body (6) is fastened with the middle shielding connecting piece (3) through threads.
4. The dual coaxial connection structure of claim 1, wherein the dual coaxial connection structure is characterized in that: the outer sleeve nut (1) is fastened with the middle shield (19) of the measuring probe through threads.
5. The dual coaxial connection structure of claim 1, wherein the dual coaxial connection structure is characterized in that: the outer shell (8) is fastened with the outer shield (18) of the measuring probe through threads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711418136.4A CN108336614B (en) | 2017-12-25 | 2017-12-25 | High temperature irradiation resistant double coaxial connection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711418136.4A CN108336614B (en) | 2017-12-25 | 2017-12-25 | High temperature irradiation resistant double coaxial connection structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108336614A CN108336614A (en) | 2018-07-27 |
| CN108336614B true CN108336614B (en) | 2019-12-20 |
Family
ID=62923331
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711418136.4A Active CN108336614B (en) | 2017-12-25 | 2017-12-25 | High temperature irradiation resistant double coaxial connection structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108336614B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109713510B (en) * | 2018-12-29 | 2020-12-08 | 武汉固德超前高新科技研发有限公司 | High-pressure waterproof joint for well logging |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101262109A (en) * | 2007-02-08 | 2008-09-10 | 安德鲁公司 | Annular corrugated coaxial cable connector with polymeric spring finger nut |
| CN202564729U (en) * | 2012-01-11 | 2012-11-28 | 张辉 | Double-layer screened coaxial cable with anti-separation design |
| CN104577459A (en) * | 2014-12-11 | 2015-04-29 | 杭州航天电子技术有限公司 | Double-coaxial connector bonded and sealed by ceramic matrix |
| CN206332237U (en) * | 2017-01-11 | 2017-07-14 | 苏州旗强电气有限公司 | The shielded cable joint design of improvement |
-
2017
- 2017-12-25 CN CN201711418136.4A patent/CN108336614B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101262109A (en) * | 2007-02-08 | 2008-09-10 | 安德鲁公司 | Annular corrugated coaxial cable connector with polymeric spring finger nut |
| CN202564729U (en) * | 2012-01-11 | 2012-11-28 | 张辉 | Double-layer screened coaxial cable with anti-separation design |
| CN104577459A (en) * | 2014-12-11 | 2015-04-29 | 杭州航天电子技术有限公司 | Double-coaxial connector bonded and sealed by ceramic matrix |
| CN206332237U (en) * | 2017-01-11 | 2017-07-14 | 苏州旗强电气有限公司 | The shielded cable joint design of improvement |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108336614A (en) | 2018-07-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108336614B (en) | High temperature irradiation resistant double coaxial connection structure | |
| CN102044764B (en) | Connector for bent connection of coaxial cables | |
| CN108173053A (en) | A kind of cable plug with protective device | |
| CN104993315A (en) | Corrugated pipe sealing joint with shielding function | |
| CN201811999U (en) | Non-contact electrostatic induction sensor | |
| CN204720678U (en) | Three coaxial connector | |
| CN104483518B (en) | High-voltage connection line used for electrical equipment detection | |
| CN105758576B (en) | A kind of Lazer's sensing unit pen type free-field blast pressure "pencil" sensor | |
| CN205051075U (en) | Circular electric connector plug of high temperature resistant high radiation | |
| WO2012051896A1 (en) | Power cable assembly | |
| CN208078308U (en) | A kind of plug and connector | |
| CN206349524U (en) | Multicore cable connector for measuring system in nuclear reactor heap | |
| CN206283049U (en) | A kind of high pressure straight peen connector | |
| CN201611696U (en) | Angle connector of coaxial cable | |
| CN108832325A (en) | A kind of disconnection wire connector | |
| CN108306245A (en) | A kind of structural member for realizing cable external shield body contact by seal nipple | |
| CN206059732U (en) | A kind of arrangement for resilient contacting for electrical connection | |
| CN106450880A (en) | Elastic contact device for electric connection | |
| CN207834695U (en) | In-line connector | |
| CN208923431U (en) | A kind of insulation of cable intermediate joint is quickly converted protective shell with straight-through | |
| CN205790730U (en) | A kind of high-voltage electric connector | |
| CN203135128U (en) | A circular socket connector capable of reliably conducting parts of contact elements with an outer shell | |
| CN207530225U (en) | Presetting system cable terminal connector temperature measurement structure | |
| CN103078212B (en) | The circular socket connector of a kind of portion contact and the reliable conducting of shell | |
| CN207967274U (en) | A kind of antenna structure of very low frequency through the earth communication |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |