CN208423186U - Sealed electrical connector - Google Patents
Sealed electrical connector Download PDFInfo
- Publication number
- CN208423186U CN208423186U CN201821340455.8U CN201821340455U CN208423186U CN 208423186 U CN208423186 U CN 208423186U CN 201821340455 U CN201821340455 U CN 201821340455U CN 208423186 U CN208423186 U CN 208423186U
- Authority
- CN
- China
- Prior art keywords
- insulating ceramic
- bushing
- sealed electrical
- electrical connector
- wired conductor
- 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.)
- Withdrawn - After Issue
Links
- 239000000919 ceramic Substances 0.000 claims abstract description 54
- 229910052500 inorganic mineral Inorganic materials 0.000 claims abstract description 26
- 238000009413 insulation Methods 0.000 claims abstract description 26
- 239000011707 mineral Substances 0.000 claims abstract description 26
- 239000004020 conductor Substances 0.000 claims abstract description 22
- 239000000463 material Substances 0.000 abstract description 12
- 239000000835 fiber Substances 0.000 abstract description 9
- 238000007789 sealing Methods 0.000 abstract description 9
- 230000007774 longterm Effects 0.000 abstract description 6
- 230000005855 radiation Effects 0.000 abstract description 6
- 235000014171 carbonated beverage Nutrition 0.000 abstract description 5
- 239000003574 free electron Substances 0.000 abstract description 5
- 238000003466 welding Methods 0.000 abstract description 5
- 229920006395 saturated elastomer Polymers 0.000 abstract description 4
- 230000008054 signal transmission Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
- 229920006335 epoxy glue Polymers 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010410 dusting Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229910052573 porcelain Inorganic materials 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Landscapes
- Connector Housings Or Holding Contact Members (AREA)
Abstract
The utility model discloses sealed electrical connectors, are better than high molecular material so that sealed electrical connector performance under long-term irradiation environment is stablized using the first insulating ceramic and the second insulating ceramic；And only when being greater than 900 DEG C, the free electron of internal cell structure is just active, fully meets and works under continuous 400 DEG C of carbonated drink saturated environments.Jacket internal ensures electric connector forward end seal, and mutually insulated between double wired conductor by the first insulating ceramic and the weldering sealing of suture introducing needle vacuum fibre；Second insulating ceramic fixes double wired conductor, guarantees double wired conductor insulation；First bushing, the second bushing, mineral insulation armored cable and the weldering of housing vacuum fibre, it is ensured that electric connector back-end sealing；Suture introducing needle and double wired conductor use laser welding, it is ensured that the reliability of electric signal transmission under high-strength radiation environment.
Description
Technical field
The utility model belongs to signal connection and transmission device technical field in nuclear reactor, and in particular to sealing electrical connection
Device.
Background technique
Sealed electrical connector, applied to the connection of various observing and controlling electric signals and transmission in nuclear reactor.Because irradiating for a long time
It works under (accumulative 108Gy) high temperature (continuous 400 DEG C of carbonated drink saturation) environment, and the continued reliability working time should be not less than five
Year.In nuclear reactor after generation accident, the connector reliably working time should be not less than two hours.
There are following technical problems for the sealed electrical connector used in the prior art:
1, the material of polymer insulation body is unable to satisfy requirement in sealed electrical connector.High molecular material is in long-term irradiation ring
Internal macromolecular chain fracture, the dusting of material entirety are crushed under border.
2, vitreum material insulation performance when being greater than 300 DEG C is unable to satisfy requirement in sealed electrical connector.Due to glass
For body when being higher than 300 DEG C, the free electron of internal cell structure is active, makes its decreasing insulating.
3, encapsulating method mostly uses high-molecular-weight epoxy glue or structural member to compress encapsulating method in sealed electrical connector.Macromolecule
Epoxy glue makes seal failure under long-term irradiation.And compression seal under high temperature environment due to the difference of the linear expansion coefficient of material and
Cause seal failure.
Above three reason irradiate traditional hermetically sealed connector can not again, use under hot environment.
We has developed a kind of sealing that the head for unmanned plane is protected and is electrically connected in order to solve problem above
Connect device and preparation method thereof.
Summary of the invention
The purpose of this utility model is that solve the above-mentioned problems and provides a kind of sealed electrical connector.
The utility model achieves the above object through the following technical schemes:
Sealed electrical connector, comprising:
Two suture introducing needles, mineral insulation armored cable, the corresponding double wired conductor with mineral insulation armored cable of two suture introducing needles
One end be electrically connected；
First insulating ceramic, the first insulating ceramic coat the middle part setting of two suture introducing needles；
Second insulating ceramic, the second insulating ceramic coats the junction of two suture introducing needles and double wired conductor, double wired conductor is arranged；
First bushing, the first bushing are connect with the second insulating ceramic, and coated mineral insulation armored cable setting；
Housing, housing coat a part setting of the first insulating ceramic, the second insulating ceramic and the first bushing.
Using the first insulating ceramic and the second insulating ceramic, so that sealed electrical connector performance under long-term irradiation environment is steady
It is fixed, it is better than high molecular material；And only when being greater than 900 DEG C, the free electron of internal cell structure is just active, the company of fully meeting
It works under continuous 400 DEG C of carbonated drink saturated environments.
Further, sealed electrical connector further includes the second bushing, and one end of the second bushing is connect with the first bushing, and second
The insulation armored cable setting of bushing coated mineral.
The use of second bushing has further assured that the sealing to the mineral insulation armored cable end of sealed electrical connector
Installation.
Preferably, the first insulating ceramic and the second insulating ceramic are high-purity mineral ceramics.
Using high-purity mineral ceramics, it can be different from generally insulating ceramics, have more outstanding radiation protection and Nai Gao
Temperature characteristics.
The utility model has the beneficial effects that:
The sealed electrical connector of the utility model:
1, using the first insulating ceramic and the second insulating ceramic, so that sealed electrical connector performance under long-term irradiation environment
Stablize, is better than high molecular material；And only when being greater than 900 DEG C, the free electron of internal cell structure is just active, fully meets
It works under continuous 400 DEG C of carbonated drink saturated environments.
2, jacket internal ensures electric connector forward end seal by the first insulating ceramic and the weldering sealing of suture introducing needle vacuum fibre,
And mutually insulated between double wired conductor；Second insulating ceramic fixes double wired conductor, guarantees double wired conductor insulation；First bushing, the second bushing,
Mineral insulation armored cable and the weldering of housing vacuum fibre, it is ensured that electric connector back-end sealing；Suture introducing needle and double wired conductor use Laser Welding
It connects, it is ensured that the reliability of electric signal transmission under high-strength radiation environment.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
In figure: 1- housing；2- suture introducing needle；The first insulating ceramic of 3-；4- double wired conductor；The second insulating ceramic of 5-；6- first is served as a contrast
Set；The second bushing of 7-；8- mineral insulation armored cable.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing:
Embodiment 1, as shown in Figure 1:
Sealed electrical connector, comprising:
Two suture introducing needles 2, mineral insulation armored cable 8, two suture introducing needles 2 are corresponding double with mineral insulation armored cable 8
One end of core wire 4 is electrically connected；
First insulating ceramic 3, the first insulating ceramic 3 coat the middle part setting of two suture introducing needles 2；
Second insulating ceramic 5, the second insulating ceramic 5 coat two suture introducing needles 2 and set with the junction of double wired conductor 4, double wired conductor 4
It sets；
First bushing 6, the first bushing 6 are connect with the second insulating ceramic 5, and coated mineral insulation armored cable 8 is arranged；
Housing 1, housing 1 coat a part setting of the first insulating ceramic 3, the second insulating ceramic 5 and the first bushing 6.
Using the first insulating ceramic 3 and the second insulating ceramic 5, so that sealed electrical connector performance under long-term irradiation environment
Stablize, is better than high molecular material；And only when being greater than 900 DEG C, the free electron of internal cell structure is just active, fully meets
It works under continuous 400 DEG C of carbonated drink saturated environments.
Embodiment 2, as shown in Figure 1:
The present embodiment the difference from embodiment 1 is that: sealed electrical connector further includes the second bushing 7, the one of the second bushing 7
End is connect with the first bushing 6, and 7 coated mineral of the second bushing insulation armored cable 8 is arranged.
The use of second bushing 7 has been further assured that the close of 8 end of mineral insulation armored cable of sealed electrical connector
Envelope installation.
Embodiment 3:
The present embodiment the difference from embodiment 1 is that: the first insulating ceramic 3 and the second insulating ceramic 5 are high-purity mineral
Ceramics.It is preferred that using ceramics made of high-purity silicon oxide porcelain powder.
Using high-purity mineral ceramics, it can be different from generally insulating ceramics, have more outstanding radiation protection and Nai Gao
Temperature characteristics.
Sealed electrical connector production method, comprising the following steps:
A, the first insulating ceramic 3 is welded into entirety using vacuum fibre with housing 1, suture introducing needle 2；
B, the double wired conductor 4 of mineral insulation armored cable 8 is passed through into the second insulating ceramic 5 and extends positioning, and pass through Laser Welding
To 2 hole of suture introducing needle, and mutually insulated between double wired conductor 4；
C, mineral insulation armored cable 8 is fixed and close by the first bushing 6, the second bushing 7 and 1 vacuum fibre solid welding of housing
Envelope.
Ensure that electric connector front end is close by the first insulating ceramic 3 and the weldering sealing of 2 vacuum fibre of suture introducing needle inside housing 1
Envelope, and mutually insulated between double wired conductor 4；Second insulating ceramic 5 fixes double wired conductor 4, guarantees that double wired conductor 4 insulate；First bushing 6,
Second bushing 7, mineral insulation armored cable 8 and the weldering of 1 vacuum fibre of housing, it is ensured that electric connector back-end sealing；Suture introducing needle 2 and twin-core
Line 4 uses laser welding, it is ensured that the reliability of electric signal transmission under high-strength radiation environment.
The utility model can be widely applied to nuclear reactor internal.The electric connector under high temperature, high humidity, strong radiation environment
Sealed insulation, it is ensured that good electric signal transmission performance.Solves the transmission problem of industry control and measuring signal in reactor.
The utility model seals under high temperature environment.Using ceramic vacuum fibre Welding and material property matching process.
Electric connector seals under 500 DEG C of environment of high temperature after ensuring to weld.Helium leak test rate is less than 10-7。
The utility model uses mineral insulating material for insulator and material property under high irradiation dose environment
Method of completing the square.Ensure electric connector in Gy108Insulation performance is greater than 10 under irradiation dose8Ω。
The utility model is matched using inner lead laser welding and material entropy point.Ensure electric connector in above-mentioned environment
Middle transmission signal line conducting resistance is less than 3 × 10-1Ω。
The basic principles and main features and advantage of the utility model have been shown and described above.The technical staff of the industry
It should be appreciated that the present utility model is not limited to the above embodiments, the above embodiments and description only describe this
The principle of utility model, on the premise of not departing from the spirit and scope of the utility model, the utility model also has various change
And improvement, these various changes and improvements fall within the scope of the claimed invention.The utility model requires protection scope
It is defined by appending claims and equivalents.
Claims (3)
1. sealed electrical connector characterized by comprising
Two suture introducing needles, mineral insulation armored cable, corresponding one with the double wired conductor of mineral insulation armored cable of two suture introducing needles
End is electrically connected；
First insulating ceramic, the first insulating ceramic coat the middle part setting of two suture introducing needles；
Second insulating ceramic, the second insulating ceramic coats the junction of two suture introducing needles and double wired conductor, double wired conductor is arranged；
First bushing, the first bushing are connect with the second insulating ceramic, and coated mineral insulation armored cable setting；
Housing, housing coat a part setting of the first insulating ceramic, the second insulating ceramic and the first bushing.
2. sealed electrical connector according to claim 1, it is characterised in that: sealed electrical connector further includes the second bushing,
One end of second bushing is connect with the first bushing, the insulation armored cable setting of the second bushing coated mineral.
3. sealed electrical connector according to claim 1, it is characterised in that: the first insulating ceramic and the second insulating ceramic are equal
For high-purity mineral ceramics.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821340455.8U CN208423186U (en) | 2018-08-20 | 2018-08-20 | Sealed electrical connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821340455.8U CN208423186U (en) | 2018-08-20 | 2018-08-20 | Sealed electrical connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208423186U true CN208423186U (en) | 2019-01-22 |
Family
ID=65122799
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821340455.8U Withdrawn - After Issue CN208423186U (en) | 2018-08-20 | 2018-08-20 | Sealed electrical connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208423186U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108899659A (en) * | 2018-08-20 | 2018-11-27 | 中国工程物理研究院总体工程研究所 | Sealed electrical connector and preparation method thereof |
-
2018
- 2018-08-20 CN CN201821340455.8U patent/CN208423186U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108899659A (en) * | 2018-08-20 | 2018-11-27 | 中国工程物理研究院总体工程研究所 | Sealed electrical connector and preparation method thereof |
| CN108899659B (en) * | 2018-08-20 | 2024-04-02 | 中国工程物理研究院总体工程研究所 | Sealed electric connector and manufacturing method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20190122 Effective date of abandoning: 20240402 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20190122 Effective date of abandoning: 20240402 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |