CN108233124A - Three coaxial high pressure electric plug connector of single - Google Patents
Three coaxial high pressure electric plug connector of single Download PDFInfo
- Publication number
- CN108233124A CN108233124A CN201711496213.8A CN201711496213A CN108233124A CN 108233124 A CN108233124 A CN 108233124A CN 201711496213 A CN201711496213 A CN 201711496213A CN 108233124 A CN108233124 A CN 108233124A
- Authority
- CN
- China
- Prior art keywords
- casing
- wire
- wall
- high temperature
- sleeve
- 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.)
- Pending
Links
- 238000009434 installation Methods 0.000 claims abstract description 38
- 238000009413 insulation Methods 0.000 claims description 25
- 239000007787 solid Substances 0.000 claims 1
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 4
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 4
- 239000004810 polytetrafluoroethylene Substances 0.000 description 4
- 239000002184 metal Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- -1 polytetrafluoroethylene Polymers 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 229910000906 Bronze Inorganic materials 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 241001465754 Metazoa Species 0.000 description 1
- 239000004809 Teflon Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000009395 breeding Methods 0.000 description 1
- 230000001488 breeding effect Effects 0.000 description 1
- 239000010974 bronze Substances 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 229920002313 fluoropolymer Polymers 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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
- H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
- H01R13/42—Securing in a demountable manner
-
- 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
- H01R13/502—Bases; Cases composed of different pieces
-
- 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
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding
- H01R13/658—High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
- H01R13/6581—Shield structure
-
- 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
- H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding
- H01R13/658—High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
- H01R13/6591—Specific features or arrangements of connection of shield to conductive members
- H01R13/6592—Specific features or arrangements of connection of shield to conductive members the conductive member being a shielded cable
-
- 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
- H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding
- H01R13/658—High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
- H01R13/6591—Specific features or arrangements of connection of shield to conductive members
- H01R13/6597—Specific features or arrangements of connection of shield to conductive members the conductive member being a contact of the connector
Abstract
The present invention gives a kind of three coaxial high pressure electric plug connector of single, for installation set pipe sleeve in the endoporus of plug casing, installing has gap between casing front end outer wall and plug casing front inner wall, and installation casing rear end is stretched out on rear side of plug casing；Inner wire is sleeved in installation casing tube internal hole, and inner wire front end extends to installation casing tube internal hole forepart, has gap between inner wire front end outer wall and installation casing front inner wall；Second insulating sleeve is sleeved in the endoporus of inner wire, and the second insulating sleeve front end is stretched out on front side of inner wire endoporus, and mounting hole is provided in the second insulating sleeve；Jack part is mounted on mounting hole forepart, and high temperature wire is stretched on rear side of mounting hole in mounting hole, and the core wire of high temperature wire is connect with jack part, and the first insulating sleeve is set between mounting hole rear inside wall and high temperature wire.Beneficial effects of the present invention are：Excellent insulating property can save significantly on the device space and cost, substantially increase the reliability of cultivating system.
Description
Technical field
The present invention relates to a kind of three coaxial high pressure electric plug connectors of single.
Background technology
In cultured product demand increasingly increased today, cultural technique and equipment have become the focus studied for people, just support
For growing system, the real-time Transmission of environmental signal such as intensity of illumination, temperature and humidity etc. significantly reduces the labour of operator
Measure and can in due course give animals and plants offer suitable growth conditions, the reliability that monitoring signal is transmitted is higher, operation it is correct
Property is higher.Environmental parameter inside usual cultivation equipment changes greatly, and operating temperature range is -40 DEG C~+125 DEG C, connection
It is affected by environment that device needs higher stability that can just exempt from when transmitting signal, but existing connector is poor, anti-there are concentricity
Corrosivity is poor, for a long time using easy the problem of axial float occurs.
Invention content
The technical problems to be solved by the invention are to provide a kind of three coaxial high pressure of single rational in infrastructure, corrosion resistance is strong
Electric plug connector.
In order to solve the above technical problems, the present invention provides a kind of three coaxial high pressure electric plug connectors of single；
Including plug casing, installation casing, inner wire, the first insulating sleeve, the second insulating sleeve, high temperature wire and jack
Part；
For installation set pipe sleeve in the endoporus of plug casing, installation casing front end extends to the front end face of plug casing, peace
There is gap, installation casing rear end is stretched out on rear side of plug casing between tubing front end outer wall and plug casing front inner wall；
Inner wire is sleeved in installation casing tube internal hole, and inner wire front end, which extends to, installs casing tube internal hole forepart, before inner wire
Holding between outer wall and installation casing front inner wall has gap；
Second insulating sleeve is sleeved in the endoporus of inner wire, and the second insulating sleeve front end is stretched out on front side of inner wire endoporus,
Mounting hole is provided in second insulating sleeve；
Jack part is mounted on mounting hole forepart, and high temperature wire is stretched on rear side of mounting hole in mounting hole, and high temperature wire is by outer
Sheath, mesh shields layer, insulating layer and core wire are followed successively by interior, the core wire of high temperature wire is connect with jack part, mounting hole rear portion
The first insulating sleeve is set between inner wall and high temperature wire.
After such structure, the contact of different function and plastic article are integrated and are fitted into same metal shell, by
There is the cooperation between axial direction between each part, lock layer by layer, it is next in fixing nut to ensure that product without axial float, is realized same
Axis connection；Three coaxial high pressure electric plug connector of this single is used to cultivate in hatch machine the signal connection between egg vehicle, this single
Three coaxial high pressure electric plug connectors, which have, saves the device space, excellent insulating property, stable work in work, has high integration
And the characteristics of fast insert-pull, reach 38 DEG C, in the use environment of relative humidity 60%RH in temperature, inserting mode can be reached for
Fast and reliable purpose.
Beneficial effects of the present invention are：Excellent insulating property can save significantly on the device space and cost, substantially increase foster
Grow the reliability of system.
For the clearer technology contents for understanding the present invention, below by the letter of three coaxial high pressure electric plug connector of this single
Referred to as this pin connector.
Shielding tail sleeve is set with outside high temperature wire in installation casing tube internal hole rear portion in this pin connector, shields tail sleeve
On rear side of the inner wire, shield and connected between tail sleeve and inner wire, the shielded layer of high temperature wire detached with insulating layer and core wire and
Fixation is connect with shielding tail sleeve；After such structure, shielded layer connect fixation with shielding tail sleeve, can prevent high temperature wire
It loosens after prolonged use.
Insulation tail sleeve is further sleeved with outside high temperature wire in installation casing tube internal hole rear portion in this pin connector, insulate tail
Set front end position between shielding tail sleeve and installation casing tube internal hole is extended with insulation bulge loop, and installation casing is stretched out in insulation tail sleeve rear end
On rear side of endoporus；After such structure, insulation tail sleeve promotes the insulation performance of this pin connector.
This pin connector further includes nut casing and bushing, and bushing is sleeved on insulation tail sleeve external rear wall, bushing endoporus
Rear end, which extends internally, to be had and the baffle ring of insulation tail sleeve rear end face cooperation, bushing are in nut casing, nut casing endoporus forepart
It is threadedly coupled between plug casing outer wall, nut casing rear portion is closing-in structure；After such structure, nut casing with
Bushing plays the component of this pin connector forepart used in preferably locking, it is ensured that without axial float between all parts.
The plug casing forepart outer wall of this pin connector is equipped with screw thread, and internal tooth lock washer and fixing nut are all set with
On the outer wall of plug casing forepart, fixing nut coordinates with plug casing forepart outer wall thread；After such structure, internal tooth
It is next on lock washer and fixing nut to ensure that axial float does not occur during the use of this pin connector.
Description of the drawings
Fig. 1 is the sectional view of the structure diagram of this pin connector embodiment.
Fig. 2 is the sectional view of the second insulating sleeve of this pin connector embodiment.
Fig. 3 is the sectional view of this pin connector embodiment jack part.
Fig. 4 is the structure diagram of this pin connector embodiment high temperature wire.
Fig. 5 is the sectional view of this pin connector embodiment bushing.
Fig. 6 is the sectional view of this pin connector embodiment insulation tail sleeve.
Specific embodiment
As shown in Figures 1 to 6
This pin connector includes plug casing 1, installation casing 2, inner wire 5, the first insulating sleeve 8, the second insulation sleeve
Pipe 6, high temperature wire 9, jack part 7, internal tooth lock washer 3, fixing nut 4, nut casing 13 and bushing 12.
Plug casing 1 be metal material, plug casing 1 can well be protected in the product course of work inner body and
Play the role of electromagnetic shielding, installation casing 2 is sleeved in the endoporus of plug casing 1, and installation casing 2 is teflon insulation
Sub- plastics, 2 front end of installation casing extend to the front end face of plug casing 1, installation 2 front end outer wall of casing and 1 forepart of plug casing
There is gap, the middle part and 1 endoporus of plug casing for installing casing 2 are fitted close, and plug is stretched out in 2 rear end of installation casing between inner wall
1 rear side of housing.
1 forepart outer wall of plug casing is equipped with screw thread, and internal tooth lock washer 3 and fixing nut 4 are all sleeved on plug casing 1
On the outer wall of forepart, fixing nut 4 coordinates with 1 forepart outer wall thread of plug casing, next in fixing nut 4 to ensure that this plug connects
Axial float does not occur when connecing device use.
Inner wire 5 is sleeved in installation 2 endoporus of casing, and 5 front end of inner wire extends to 2 endoporus forepart of installation casing, inside leads
There is gap, the middle part and rear portion of inner wire 5 are with installing the interior of casing 2 between 5 front end outer wall of body and installation 2 front inner wall of casing
Hole is fitted close.
Second insulating sleeve 6 is sleeved in the endoporus of inner wire 5,6 material selection polytetrafluoroethylene (PTFE) of the second insulating sleeve, should
Materials'use operating temperature can meet the requirement of operating temperature up to 250 DEG C, have good mechanical tenacity, corrosion resistance and
Against weather, the breeding environment where this pin connector, Jie of second insulating sleeve 6 in wider frequency range
Electric constant and dielectric loss are all very low, and breakdown voltage, volume resistivity and arc resistance are all higher, can meet this plug completely
Operating voltage and the dielectric withstanding voltage requirement of connector, 6 front end of the second insulating sleeve are stretched out on front side of 5 endoporus of inner wire, and second absolutely
Be provided with mounting hole in edge casing 6, the mounting hole is three sections of stepped holes, mounting hole be followed successively by from front to back first stage hole 6a,
Second-order sector hole 6b, phase III hole 6c.
Jack part 7 using function admirable material tin bronze QSn6.5-0.1, it is ensured that the mechanical life of jack part 7 and
Contact resistance, jack part 7 carry out 500 plug experiments, and the contact resistance of jack part 7 does not have big variation after life test, still
It can guarantee reliable contacts, jack part 7 includes metal sleeve 7a and connecting portion 7b, and connecting portion 7b is in the second-order sector hole of mounting hole
In 6b, metal sleeve 7a is in the first stage hole 6a of mounting hole, and the contact positioning of jack part 7 relies primarily on 5 He of inner wire
Second insulating sleeve 6 axially engages to ensure.
High temperature wire 9 is stretched on rear side of mounting hole in mounting hole, and high temperature wire 9 is high using HYE series high temperature resistant wire 9
Warm conducting wire 9 is followed successively by sheath 9a, netted silver-plated shielded layer 9b, covers fluoroplastic insulation layer 9c and silver-plated copper core 9d from outside to inside,
It, can be at -120 DEG C with very high tough, excellent ageing-resistant performance, insulation performance and resistant of high or low temperature good enough
It is used in the range of~+265 DEG C, and stable chemical performance, especially suitable for the electrical equipment and circuit under the environment such as high temperature, high humidity
Connection.Conducting wire is single, nominal section 0.35mm2, wire diameter 0.76mm, rated voltage 250V, and maximum D.C. resistance is
(20 DEG C) 46.9 Ω/km, the core wire 9d of high temperature wire 9 are welded with the connecting portion 7b of jack part 7.
The first insulating sleeve 8, the first insulation sleeve are set between the phase III hole 6c inner walls and high temperature wire 9 of mounting hole
The material of pipe 8 also selects polytetrafluoroethylene (PTFE).
Shielding tail sleeve 10 is set with outside high temperature wire 9 in 2 endoporus rear portion of installation casing, shielding tail sleeve 10 is metal material
Matter, shielding tail sleeve 10 are located at 5 rear side of inner wire, shield and welded between tail sleeve 10 and inner wire 5, the shielded layer 9b of high temperature wire 9
Outside turnup, shielding tail sleeve 10 are detached with insulating layer 9c and core wire 9d, and the shielded layer 9b of high temperature wire 9 and shielding tail sleeve 10
It is welded and fixed.
Insulation tail sleeve 11 is further sleeved with outside high temperature wire 9 in 2 endoporus rear portion of installation casing, 11 front end of insulation tail sleeve is prolonged
Stretching has insulation bulge loop 11a, and the insulation bulge loop 11a of insulation tail sleeve 11 will shield tail sleeve 10 with installing being spaced apart for 2 endoporus of casing, absolutely
11 rear end of edge tail sleeve is stretched out on rear side of installation 2 endoporus of casing.
Bushing 12 be sleeved on insulation 11 external rear wall of tail sleeve, 12 endoporus rear end of bushing extend internally have with insulation tail sleeve 11 after
The baffle ring 12a of end face cooperation, bushing 12 be in nut casing 13,13 endoporus forepart of nut casing and 1 outer wall of plug casing it
Between be threadedly coupled, 13 rear portion of nut casing be closing-in structure, 13 endoporus aperture of nut casing be more than high temperature wire 9 diameter.
Above-described is only one embodiment of the present invention, it is noted that for those of ordinary skill in the art
For, without departing from the principle of the present invention, several variations and modifications can also be made, these also should be regarded as belonging to this hair
Bright protection domain.
Claims (5)
1. a kind of three coaxial high pressure electric plug connector of single, it is characterized in that：
Including plug casing, installation casing, inner wire, the first insulating sleeve, the second insulating sleeve, high temperature wire and jack part；
For installation set pipe sleeve in the endoporus of plug casing, installation casing front end extends to the front end face of plug casing, installation set
There is gap, installation casing rear end is stretched out on rear side of plug casing between pipe front end outer wall and plug casing front inner wall；
Inner wire is sleeved in installation casing tube internal hole, and inner wire front end, which extends to, installs casing tube internal hole forepart, outside inner wire front end
There is gap between wall and installation casing front inner wall；
Second insulating sleeve is sleeved in the endoporus of inner wire, and the second insulating sleeve front end is stretched out on front side of inner wire endoporus, and second
Mounting hole is provided in insulating sleeve；
Jack part is mounted on mounting hole forepart, and high temperature wire is stretched on rear side of mounting hole in mounting hole, and high temperature wire is from outside to inside
Sheath, mesh shields layer, insulating layer and core wire are followed successively by, the core wire of high temperature wire is connect with jack part, mounting hole rear inside wall
The first insulating sleeve is set between high temperature wire.
2. three coaxial high pressure electric plug connector of single according to claim 1, it is characterized in that：
Shielding tail sleeve is set with outside high temperature wire in installation casing tube internal hole rear portion, shielding tail sleeve is located on rear side of inner wire, screen
It covers and is connected between tail sleeve and inner wire, the shielded layer of high temperature wire is detached with insulating layer and core wire and connect with shielding tail sleeve solid
It is fixed.
3. three coaxial high pressure electric plug connector of single according to claim 2, it is characterized in that：
Be further sleeved with insulation tail sleeve outside high temperature wire in installation casing tube internal hole rear portion, insulation tail sleeve front end to shielding tail sleeve with
Position is extended with insulation bulge loop between installation casing tube internal hole, and insulation tail sleeve rear end is stretched out on rear side of installation casing tube internal hole.
4. three coaxial high pressure electric plug connector of single according to claim 3, it is characterized in that：
Further include nut casing and bushing, bushing is sleeved on insulation tail sleeve external rear wall, bushing endoporus rear end extend internally have with
Insulate the baffle ring of tail sleeve rear end face cooperation, and bushing be in nut casing, nut casing endoporus forepart and plug casing outer wall it
Between be threadedly coupled, nut casing rear portion be closing-in structure.
5. three coaxial high pressure electric plug connector of single according to claim 1, it is characterized in that：
Plug casing forepart outer wall is equipped with screw thread, and internal tooth lock washer and fixing nut are all sleeved on plug casing forepart outer wall
On, fixing nut coordinates with plug casing forepart outer wall thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711496213.8A CN108233124A (en) | 2017-12-31 | 2017-12-31 | Three coaxial high pressure electric plug connector of single |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711496213.8A CN108233124A (en) | 2017-12-31 | 2017-12-31 | Three coaxial high pressure electric plug connector of single |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108233124A true CN108233124A (en) | 2018-06-29 |
Family
ID=62644931
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711496213.8A Pending CN108233124A (en) | 2017-12-31 | 2017-12-31 | Three coaxial high pressure electric plug connector of single |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108233124A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109687225A (en) * | 2018-12-17 | 2019-04-26 | 新奥科技发展有限公司 | A kind of electric connector of vacuum high-temperature environment |
| CN109904687A (en) * | 2019-02-18 | 2019-06-18 | 苏州华旃航天电器有限公司 | Novel fire resistant, high-pressure water vapor sealing N-K type terminate cable radio frequency coaxial connector |
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| CN205104679U (en) * | 2015-11-20 | 2016-03-23 | 常州红芦电子有限公司 | High reliability audio frequency and video coaxial line |
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| CN109687225A (en) * | 2018-12-17 | 2019-04-26 | 新奥科技发展有限公司 | A kind of electric connector of vacuum high-temperature environment |
| CN109904687A (en) * | 2019-02-18 | 2019-06-18 | 苏州华旃航天电器有限公司 | Novel fire resistant, high-pressure water vapor sealing N-K type terminate cable radio frequency coaxial connector |
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