CN203859279U - High voltage resistant hermetically sealed electric connector - Google Patents
High voltage resistant hermetically sealed electric connector Download PDFInfo
- Publication number
- CN203859279U CN203859279U CN201420164254.2U CN201420164254U CN203859279U CN 203859279 U CN203859279 U CN 203859279U CN 201420164254 U CN201420164254 U CN 201420164254U CN 203859279 U CN203859279 U CN 203859279U
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- China
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- shell
- glass medium
- electric connector
- pressure
- inner wire
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Abstract
The utility model relates to a high-voltage resistant hermetically sealed electric connector, which comprises an inner conductor and an outer shell and is characterized in that a glass dielectric and polytetrafluoroethylene insulators are arranged between the inner conductor and the outer shell, the inner sides, that is, the sides which are located at the inner conductor, of two ends of the glass dielectric are provided with blind holes, and the polytetrafluoroethylene insulators are placed in the blind holes at the inner sides of the two ends of the glass dielectric, thereby enabling the total creepage distance inside the electric connector to be increased. The creepage distance of the electric connector provided by the utility model is greater than 12mm, and the dielectric withstand voltage reaches over 5000V, thereby being capable of meeting design requirements of the dielectric withstand voltage.
Description
Technical field
The utility model belongs to technical field of electric connectors, is specifically related to a kind of high-pressure-resistant air sealed electrical connector.
Background technology
Glass sintering insulator is a kind of connector that obtains extensive use, and product is widely used in the microwave communication system fields such as crossing cabin sealing, and its mounting structure as shown in Figure 1.Inner wire and shell form a body component by glass sintering, then by mode and the panel guarantee sealing of combining closely of welding.That this product has is simple in structure, reliability is high, the feature of excellent electrical properties, all has the wide market space at military products and civil area.The proof voltage of product is mainly determined by factors such as contact gap (when multicore), creepage distance, insulating material and geometry, ambient temperature, humidity and atmospheric pressure, determine that in the factor such as insulating material, environmental condition the insulation proof voltage of product is mainly determined by contact creepage distance constant in the situation that.Because the creepage distance L of glass sintering insulator universal product structure is shorter, so general glass sintering insulator product cannot be applicable to high voltage bearing occasion.
Project team of the present invention is on the internet with regard to this theme, and at home and abroad patent documentation and the journal article retrieval of publishing, not yet find report or the document closely related or the same with the present invention.
Summary of the invention
In order to overcome above-mentioned prior art defect, the purpose of this utility model is to provide a kind of high-pressure-resistant air sealed electrical connector, by adopting two media material and increasing the structure of product creepage distance, meet that product is high pressure resistant, the requirement of hermetic seal, made product there is wide market prospects and very important meaning.
For achieving the above object, the utility model by the following technical solutions:
A kind of high-pressure-resistant air sealed electrical connector, comprise inner wire 1 and shell 3, between described inner wire 1 and shell 3, be provided with glass medium 2 and teflon insulation 4, described glass medium 2 two ends have stepped hole, and described teflon insulation 4 is positioned in the stepped hole at glass medium 2 two ends.
The length A of described stepped hole is 4mm～5mm.
At the arranged outside shell 3 of described glass medium 2.
At the arranged outside shell 3 of described glass medium 2 and part teflon insulation 4.
Described glass medium 2 is sintered together with inner wire 1 and shell 3.
The outer surface of described inner wire 1 is provided with the hangnail structure making in the stepped hole that is positioned over glass medium 2 two ends that teflon insulation 4 can be stable.
Described inner wire 1 and shell 3 are kovar alloy material.
The utility model by being provided with two media material glass medium 2 and teflon insulation 4 between inner wire 1 and shell 3, and have stepped hole at glass medium 2 two ends, teflon insulation 4 is positioned in the step at glass medium 2 two ends, make total creepage distance of electric connector inside increase length A, the creepage distance of this product is greater than 12mm, more than dielectric withstanding voltage reaches 5000V, can meet dielectric withstanding voltage designing requirement.
Brief description of the drawings
Fig. 1 is existing electric connector structure schematic diagram.
Fig. 2 is a kind of electric connector structure schematic diagram of the utility model.
Fig. 3 is the another kind of electric connector structure schematic diagram of the utility model.
Fig. 4 is the utility model electric connector welding mounting structure schematic diagram.
Fig. 5 is the utility model electric connector flange screw mounting structure schematic diagram; Wherein, Fig. 5 (a) is right view; Fig. 5 (b) is positive view.
Fig. 6 is the utility model electric connector flange mounting structure schematic diagram through walls; Wherein, Fig. 6 (a) is right view; Fig. 6 (b) is positive view.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail:
As shown in Figures 2 and 3, a kind of high-pressure-resistant air sealed electrical connector of the utility model, comprise inner wire 1 and shell 3, between described inner wire 1 and shell 3, be provided with glass medium 2 and teflon insulation 4, described glass medium 2 two ends have stepped hole, and described teflon insulation 4 is positioned in the stepped hole at glass medium 2 two ends.Described glass medium 2 is sintered together with inner wire 1 and shell 3, meets the designing requirement of hermetic seal.
As preferred implementation of the present utility model, the length A of described stepped hole is 4mm～5mm.
As shown in Figure 2, be a kind of electric connector structure schematic diagram of the utility model, 3, shell is arranged on the outside of glass medium 2.
As shown in Figure 3, be the another kind of electric connector structure schematic diagram of the utility model, shell 3 is arranged on the outside of glass medium 2 and the outside of part teflon insulation 4.Under same volume size cases, hangnail structural design can make product obtain larger creepage distance than designing on inner wire on outer conductor, and hangnail structure is set on Fig. 3 outer conductor.When teflon insulation 4 is stable while being placed in glass medium 2, the creepage distance of product is greater than 12mm, can meet dielectric withstanding voltage requirement.
As preferred implementation of the present utility model, the outer surface of described inner wire 1 is provided with hangnail structure, makes in the stepped hole that is positioned over glass medium 2 two ends that teflon insulation 4 can be stable.
As preferred implementation of the present utility model, described inner wire 1 and shell 3 are kovar alloy material.This linear expansion coefficient and glassy phase are worked as, and can ensure the Mechanical Reliability of sintered products.
Shell of the present utility model can be designed to Fig. 4 welded and installed, Fig. 5 flange screw is installed or Fig. 6 screw thread mounting structure through walls, in the time adopting flange screw installation or screw thread mounting structure through walls, need and sealing ring be set at shell end face design seal groove, make product meet air-tightness requirement.It is more convenient that flange screw mounting means or screw thread mounting means through walls is installed product, is conducive to improve the maintenance efficiency of machine system.
The utility model is by carrying out high pressure resistant design, and guarantee product is depressed dielectric withstanding voltage at normal atmosphere and met the requirement of 5000V and have sufficient margin of safety; The utlity model has multiple mounting modes, make user's more horn of plenty of selection.The utility model is mainly used in the national defence key projects such as electronics, boats and ships, weapons, information industry.Also can be widely used in the technical field such as communication, wireless device and instrument and automatic control of high reliability.
Claims (7)
1. a high-pressure-resistant air sealed electrical connector, comprise inner wire (1) and shell (3), it is characterized in that: between described inner wire (1) and shell (3), be provided with glass medium (2) and teflon insulation (4), described glass medium (2) two ends have stepped hole, and described teflon insulation (4) is positioned in the stepped hole at glass medium (2) two ends.
2. a kind of high-pressure-resistant air sealed electrical connector according to claim 1, is characterized in that: the length A of described step is 4mm～5mm.
3. a kind of high-pressure-resistant air sealed electrical connector according to claim 1, is characterized in that: at the arranged outside shell (3) of described glass medium (2).
4. a kind of high-pressure-resistant air sealed electrical connector according to claim 1, is characterized in that: at the arranged outside shell (3) of described glass medium (2) and part teflon insulation (4).
5. a kind of high-pressure-resistant air sealed electrical connector according to claim 1, is characterized in that: described glass medium (2) is sintered together with inner wire (1) and shell (3).
6. a kind of high-pressure-resistant air sealed electrical connector according to claim 1, is characterized in that: the outer surface of described inner wire (1) is provided with the hangnail structure making in the stepped hole that is positioned over glass medium (2) two ends that teflon insulation (4) can be stable.
7. a kind of high-pressure-resistant air sealed electrical connector according to claim 1, is characterized in that: described inner wire (1) and shell (3) are kovar alloy material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420164254.2U CN203859279U (en) | 2014-04-04 | 2014-04-04 | High voltage resistant hermetically sealed electric connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420164254.2U CN203859279U (en) | 2014-04-04 | 2014-04-04 | High voltage resistant hermetically sealed electric connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203859279U true CN203859279U (en) | 2014-10-01 |
Family
ID=51609120
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420164254.2U Expired - Fee Related CN203859279U (en) | 2014-04-04 | 2014-04-04 | High voltage resistant hermetically sealed electric connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203859279U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105655769A (en) * | 2014-11-14 | 2016-06-08 | 中国航空工业第六八研究所 | Micro high voltage sealed electric connector |
| CN106803619A (en) * | 2016-12-14 | 2017-06-06 | 中国航天时代电子公司 | A kind of aerospace high-power TNC connectors and its assembly method |
| CN108645918A (en) * | 2018-06-25 | 2018-10-12 | 宁夏共享集团股份有限公司 | A kind of ultrasonic fault detector probe interface switching device |
-
2014
- 2014-04-04 CN CN201420164254.2U patent/CN203859279U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105655769A (en) * | 2014-11-14 | 2016-06-08 | 中国航空工业第六八研究所 | Micro high voltage sealed electric connector |
| CN106803619A (en) * | 2016-12-14 | 2017-06-06 | 中国航天时代电子公司 | A kind of aerospace high-power TNC connectors and its assembly method |
| CN106803619B (en) * | 2016-12-14 | 2019-07-09 | 中国航天时代电子公司 | A kind of aerospace high-power TNC connector and its assembly method |
| CN108645918A (en) * | 2018-06-25 | 2018-10-12 | 宁夏共享集团股份有限公司 | A kind of ultrasonic fault detector probe interface switching device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: SHAANXI HUADA ELECTRICAL TECHNOLOGY CO., LTD. Assignor: Shaanxi Huada Science Technology Co., Ltd. Contract record no.: 2015610000014 Denomination of utility model: High voltage resistant hermetically sealed electric connector Granted publication date: 20141001 License type: Exclusive License Record date: 20150408 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141001 Termination date: 20170404 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |