CN211907752U - High-voltage radio frequency coaxial connector - Google Patents
High-voltage radio frequency coaxial connector Download PDFInfo
- Publication number
- CN211907752U CN211907752U CN202020446147.4U CN202020446147U CN211907752U CN 211907752 U CN211907752 U CN 211907752U CN 202020446147 U CN202020446147 U CN 202020446147U CN 211907752 U CN211907752 U CN 211907752U
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- Prior art keywords
- shell
- frequency coaxial
- coaxial connector
- adapter
- connector
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- 239000004020 conductor Substances 0.000 claims abstract description 46
- 238000007789 sealing Methods 0.000 claims description 8
- 229910001369 Brass Inorganic materials 0.000 claims description 7
- 239000010951 brass Substances 0.000 claims description 7
- 238000009413 insulation Methods 0.000 claims description 7
- 229910000906 Bronze Inorganic materials 0.000 claims description 6
- 239000010974 bronze Substances 0.000 claims description 6
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 claims description 6
- 230000008859 change Effects 0.000 claims description 5
- 238000003825 pressing Methods 0.000 claims description 5
- QWUWMCYKGHVNAV-UHFFFAOYSA-N 1,2-dihydrostilbene Chemical compound C=1C=CC=CC=1CCC1=CC=CC=C1 QWUWMCYKGHVNAV-UHFFFAOYSA-N 0.000 claims description 4
- 229920001084 poly(chloroprene) Polymers 0.000 claims description 4
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 3
- 229910052790 beryllium Inorganic materials 0.000 claims description 3
- ATBAMAFKBVZNFJ-UHFFFAOYSA-N beryllium atom Chemical compound [Be] ATBAMAFKBVZNFJ-UHFFFAOYSA-N 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 2
- 210000001503 joint Anatomy 0.000 claims description 2
- 239000012212 insulator Substances 0.000 claims 1
- 239000000243 solution Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000011056 performance test Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 210000000078 claw Anatomy 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000013011 mating 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
- 230000035772 mutation Effects 0.000 description 1
- 230000005622 photoelectricity Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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Abstract
The utility model relates to a high pressure radio frequency coaxial connector, including socket connector and adapter, plug connector includes shell, inner conductor, tail annex, first O type circle, vexed head, rand, flange, the adapter includes shell, second O type circle, contact pin. When the connector is installed, the cable insulating layer is subjected to spiral taper grooving, and the total length of the grooving is not less than the creepage distance of working voltage. The two socket connectors are connected by the adapter, insulating oil is filled in the cavity, air in the cavity of the connector is completely discharged, and the withstand voltage reaches 600 KV.
Description
Technical Field
The invention belongs to the technical field of cable transmission, and particularly relates to a high-voltage radio frequency coaxial connector.
Background
The high-voltage radio frequency coaxial connector has the characteristics of radio frequency transmission, high voltage resistance and the like, is used for connecting a cable and equipment, and needs to meet the connection requirement and the electrical requirement. The electrical requirements include voltage resistance, impedance and other electrical properties, the voltage resistance of the high-voltage connector is a main factor restricting the development of the high-voltage connector, and air and impurities in the connector can cause voltage breakdown failure in high-voltage use occasions.
At present, high voltage resistant connector adopts insulating staggered structure more, has the clearance during its cooperation, can't get rid of the air completely, and typical high voltage resistant electric connector is like the application number of well navigation photoelectricity technology limited: 200910064173.9, if the connector and the plug and the socket are required to withstand 600KV voltage, the connector is bulky and the parts are difficult to process. And the plug connector can only be matched with the socket connector for use, and the field operation cannot be carried out when the plug connector and the socket connector need to be changed. If the application number is: 201210504846.X describes a high voltage coaxial cable connector which can only be used for power transmission and cannot guarantee the requirement of coaxial impedance consistency.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provide a high-voltage radio frequency coaxial connector to solve the problem that no coaxial connection technology capable of simultaneously achieving 50-ohm impedance and 600kV high voltage exists in the prior art and the use requirement in the field of high-energy physical research cannot be met.
In order to solve the above technical problem, the technical solution of the present invention is realized as follows:
a high-voltage radio frequency coaxial connector comprises a socket connector and an adapter, and is characterized in that: socket connector contains shell 8, inner conductor 9, tail annex 1, back compresses tightly swivel nut 2, jack catch 3, preceding compress tightly swivel nut 4, first O type circle 5, choke plug 6, flange 10, pin 11, the adapter includes outer conductor 12, second O type circle 13, contact pin 14, socket connector shell 8 passes through threaded connection with tail annex 1, jack catch 3 compresses tightly swivel nut 2 and preceding compress tightly swivel nut 4 through the back and fix on outer conductor 12, first O type circle 5 is installed on shell 8, flange 10 and shell 8 swing joint, 6 swing joint of choke plug is on shell 8, adapter second O type circle 13 is installed on outer conductor 12.
Furthermore, the number of the high-voltage radio frequency coaxial connectors is more than one, the socket connectors are installed in a guiding mode through the adapter and fixedly connected through the flanges 10, the flanges 10 are fixedly butted and guided through the pins 11, the inner conductor 9 is arranged on the axis of the shell 8, the contact pin 14 is arranged on the axis of the outer conductor 12, and the head of the contact pin is provided with a groove.
Furthermore, the socket connector and the socket connector are connected through the adapter to form a sealed cavity, and insulating oil is filled in the sealed cavity.
Furthermore, the tail part of the outer shell 8 is provided with 2 or more than 2 first sealing ring grooves 81 and 1 or more than 1 oil filling hole 15, the outer side of the outer conductor 12 of the adapter is provided with 2 or more than 2 second sealing ring grooves 121, and the cable insulation 7 is provided with a spiral taper slotting 71.
Further, the insulating oil is benzyl toluene, the taper of the spiral taper slotting 71 is 3 degrees to 10 degrees, and the thickness of the spiral blade is 5 mm to 30 mm.
Further, the flange 10 is movably connected with the shell 8 through a clamping ring, and the choke plug 6 is fixedly arranged on the shell 8 through threads.
Further, the inner diameter change part of the shell 8 is provided with an arc step 82, and the arc radius of the arc step 82 is not less than 4 mm.
Further, the shell 8 is made of brass or stainless steel, the inner conductor 9 is made of tin bronze or beryllium bronze, the outer conductor 12 is made of brass, and the first O-shaped ring 5 is made of chloroprene rubber.
The invention can bring the following beneficial effects:
the socket connector can be connected with the same socket connector through the adapter, so that the mutual matching of all ports can be realized, and the random connection of different components can be realized. The coaxial connector adopts an oil-filled structure, and has the advantages of small volume, simple structure, easy manufacture and low cost.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented in accordance with the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more clearly understood, the following preferred embodiments are described in detail with reference to the accompanying drawings.
Drawings
Fig. 1 is a schematic view of the internal structure of a socket connector of a high-voltage rf coaxial connector according to the present invention;
FIG. 2 is a schematic diagram of the internal structure of the high voltage RF coaxial connector adaptor of the present invention;
FIG. 3 is a schematic diagram of an external structure of a receptacle connector of the high voltage RF coaxial connector according to the present invention;
FIG. 4 is a schematic diagram of an external structure of the high voltage RF coaxial connector adaptor of the present invention;
FIG. 5 is a perspective view of a receptacle connector of the high voltage RF coaxial connector of the present invention;
FIG. 6 is a schematic view of a high voltage RF coaxial connector housing according to the present invention;
FIG. 7 is a schematic view of the outer conductor of the high voltage RF coaxial connector of the present invention;
FIG. 8 is a schematic view of the cable head processing of the high voltage RF coaxial connector of the present invention;
fig. 9 is a schematic diagram of the adaptor mating between the receptacle connector and the high voltage rf coaxial connector according to the present invention.
Shown in the figure:
1. a tail attachment; 2. the screw sleeve is pressed; 3. a claw; 4. front pressing thread sleeves; 5. a first O-ring; 6. choke plug; 7. insulating the cable; 8. a housing; 9. an inner conductor; 10. a flange; 11. a pin; 12. an outer conductor; 13. a second O-ring; 14. inserting a pin; 15. an oil filler hole; 71. slotting with spiral taper; 81. a first seal ring groove; 82. a circular arc step; 121. and a second seal ring groove.
Detailed Description
To further explain the technical means, the creation features, the achievement objects and the effects of the invention, the following detailed description is provided with reference to the accompanying drawings for describing the specific implementation, the structure, the features and the effects of the high-voltage radio frequency coaxial connector according to the invention.
Example 1
The high-voltage radio frequency coaxial connector provided by the invention can realize the connection of two coaxial cables. Specifically, a high pressure radio frequency coaxial connector, including the socket connector, the adapter, the socket connector contains shell 8, inner conductor 9, tail annex 1, back compresses tightly swivel nut 2, jack catch 3, preceding compress tightly swivel nut 4, first O type circle 5, choke plug 6, flange 10, pin 11, the adapter includes outer conductor 12, second O type circle 13, contact pin 14, socket connector shell 8 passes through threaded connection with tail annex 1, jack catch 3 compresses tightly swivel nut 2 and preceding compress tightly swivel nut 4 through the back and fix on outer conductor 12, first O type circle 5 is installed on shell 8, flange 10 and 8 swing joint of shell, choke plug 6 movable mounting is on shell 8, adapter second O type circle 13 is installed on outer conductor 12.
In this embodiment, the high-voltage radio frequency coaxial connector is two, through adapter direction installation and through flange 10 fixed connection between the socket connector, through the direction of pin 11 when flange 10 butt joint is fixed, inner conductor 9 sets up on 8 axiums of shell, and contact pin 14 sets up on 12 axiums of outer conductor and the head sets up the fluting, connects two inner conductors 9 through contact pin 14 between two socket connectors.
The socket connector and the socket connector are connected through the adapter to form a sealed cavity, and insulating oil is filled in the sealed cavity. The tail part of the outer shell 8 is provided with 2 first sealing ring grooves 81 and 1 oil hole 15, the outer side of the outer conductor 12 of the adapter is provided with 2 second sealing ring grooves 121, and the cable insulation 7 is provided with a spiral taper slotting 71. The insulating oil is benzyl toluene, the taper of the spiral taper open groove 71 is 3 degrees, and the thickness of the spiral blade is 5. As shown in fig. 7, the cable insulation is sealed from the housing 8 by O-ring 5, and the housing 8 is sealed from the adaptor outer conductor 12 by O-ring 13. After the assembly, air in the connector is completely pumped out through the oil hole 15 on the shell, and then insulating oil is injected into the cavity of the connector from the oil hole 15 at the other end. Air in the cavity of the connector is removed, and the pressure resistance of the connector is improved.
The flange 10 is movably connected with the shell 8 through a clamping ring, and the choke plug 6 is fixedly arranged on the shell 8 through threads. The inner diameter change part of the shell 8 is provided with an arc step 82, and the arc radius of the arc step 82 is 4 mm. The shell 8 is made of stainless steel, the inner conductor 9 is made of tin bronze, the outer conductor 12 is made of brass, and the first O-shaped ring 5 is made of chloroprene rubber.
The cable head is processed by a spiral groove processing as shown in fig. 6, so that the creepage distance is increased.
As shown in fig. 7, the inner surface of the connector housing has no right-angle step, the housing adopts an arc step 82 transition, the electric field is uniform, the inner diameter of the housing 8 is the same as that of the outer conductor 13, and no step mutation exists; the outer diameters of the inner conductor 9 and the contact pin 14 are the same, the outer diameter of the inner conductor 9 is the same as that of the cable inner conductor, no step and no sudden change exist, and point discharge is avoided.
The performance test of the high-voltage radio frequency coaxial connector of the embodiment is shown in the following table:
| item | Index requirement |
| Nominal impedance | 50Ω |
| Frequency range | 0.1～10MHz |
| Working temperature range | -40℃～+80℃ |
| Voltage standing wave ratio | ≤1.50 |
| Insulation resistance | 5000MΩ，min(500VDC) |
| Dielectric withstand voltage | 200KVmin (DC, 1 min) |
Example 2
A high-voltage radio frequency coaxial connector comprises a socket connector and an adapter, and is characterized in that: socket connector contains shell 8, inner conductor 9, tail annex 1, back compresses tightly swivel nut 2, jack catch 3, preceding compress tightly swivel nut 4, first O type circle 5, choke plug 6, flange 10, pin 11, the adapter includes outer conductor 12, second O type circle 13, contact pin 14, socket connector shell 8 passes through threaded connection with tail annex 1, jack catch 3 compresses tightly swivel nut 2 and preceding compress tightly swivel nut 4 through the back and fix on outer conductor 12, first O type circle 5 is installed on shell 8, flange 10 and shell 8 swing joint, 6 swing joint of choke plug is on shell 8, adapter second O type circle 13 is installed on outer conductor 12.
The high-voltage radio frequency coaxial connector is more than one, the socket connectors are installed in a guiding mode through the adapter and fixedly connected through the flange 10, the flange 10 is fixedly butted and guided through the pin 11, the inner conductor 9 is arranged on the axis of the shell 8, the contact pin 14 is arranged on the axis of the outer conductor 12, and the head of the contact pin is provided with the groove. The socket connector and the socket connector are connected through the adapter to form a sealed cavity, and insulating oil is filled in the sealed cavity. The tail part of the outer shell 8 is provided with 3 first sealing ring grooves 81 and 2 oil injection holes 15, the outer side of the outer conductor 12 of the adapter is provided with 3 second sealing ring grooves 121, and the cable insulation 7 is provided with a spiral taper slotting 71. The insulating oil is benzyl toluene, the taper of the spiral taper open groove 71 is 10 degrees, and the thickness of the spiral blade is 30 mm. The flange 10 is movably connected with the shell 8 through a clamping ring, and the choke plug 6 is fixedly arranged on the shell 8 through threads. The inner diameter change part of the shell 8 is provided with an arc step 82, and the arc radius of the arc step 82 is 14 mm. The shell 8 is made of brass, the inner conductor 9 is made of beryllium bronze, the outer conductor 12 is made of brass, and the first O-shaped ring 5 is made of chloroprene rubber.
Through experimental detection, the performance test of the high-voltage radio frequency coaxial connector is shown in the following table:
| item | Index requirement |
| Nominal impedance | 50Ω |
| Frequency range | 0.1～2MHz |
| Working temperature range | -40℃～+80℃ |
| Voltage standing wave ratio | ≤1.50 |
| Insulation resistance | 5000MΩ，min(500VDC) |
| Dielectric withstand voltage | 600KVmin (DC, 1 min) |
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (8)
1. A high-voltage radio frequency coaxial connector comprises a socket connector and an adapter, and is characterized in that: the socket connector comprises a shell (8), an inner conductor (9), a tail accessory (1), a rear pressing threaded sleeve (2), a clamping jaw (3), a front pressing threaded sleeve (4), a first O-shaped ring (5), a choke plug (6), a cable insulator (7), a flange (10) and a pin (11), the adapter comprises an outer conductor (12), a second O-shaped ring (13) and a contact pin (14), the socket connector shell (8) is connected with the tail accessory (1) through threads, the clamping jaw (3) is fixed on the outer conductor (12) through the rear pressing threaded sleeve (2) and the front pressing threaded sleeve (4), the first O-shaped ring (5) is arranged on the outer shell (8), the flange (10) is movably connected with the outer shell (8), the choke plug (6) is movably mounted on the shell (8), and the adapter second O-shaped ring (13) is mounted on the outer conductor (12).
2. The high-voltage radio-frequency coaxial connector according to claim 1, wherein: the high-voltage radio frequency coaxial connector is more than one, pass through between the socket connector adapter direction installation and pass through flange (10) fixed connection, flange (10) pass through when butt joint is fixed pin (11) direction, inner conductor (9) set up on shell (8) axle center, contact pin (14) set up in outer conductor (12) axle center and the head sets up the fluting.
3. The high-voltage radio-frequency coaxial connector according to claim 2, wherein: the socket connector and the socket connector are connected through the adapter to form a sealed cavity, insulating oil is filled in the sealed cavity, and the insulating oil is benzyl toluene.
4. The high-voltage radio-frequency coaxial connector according to claim 1 or 2, characterized in that: the tail part of the shell (8) is provided with 2 or more than 2 first sealing ring grooves (81) and 1 or more than 1 oil filling hole (15), the outer side of the outer conductor (12) of the adapter is provided with 2 or more than 2 second sealing ring grooves (121), and the cable insulation (7) is provided with a spiral taper grooving (71).
5. The high-voltage radio-frequency coaxial connector according to claim 4, wherein: the taper of the spiral taper slotting (71) is 3-10 degrees, and the thickness of the spiral blade is 5-30 mm.
6. The high-voltage radio-frequency coaxial connector according to claim 1, 2 or 3, wherein: the flange (10) is movably connected with the shell (8) through a clamping ring, and the choke plug (6) is fixedly installed on the shell (8) through threads.
7. The high-voltage radio-frequency coaxial connector according to claim 1, 2 or 3, wherein: the inner diameter change part of the shell (8) is provided with an arc step (82), and the arc radius of the arc step (82) is not less than 4 mm.
8. The high-voltage radio-frequency coaxial connector according to claim 7, wherein: the shell (8) is made of brass or stainless steel, the inner conductor (9) is made of tin bronze or beryllium bronze, the outer conductor (12) is made of brass, and the first O-shaped ring (5) is made of chloroprene rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020446147.4U CN211907752U (en) | 2020-03-31 | 2020-03-31 | High-voltage radio frequency coaxial connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020446147.4U CN211907752U (en) | 2020-03-31 | 2020-03-31 | High-voltage radio frequency coaxial connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211907752U true CN211907752U (en) | 2020-11-10 |
Family
ID=73274877
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020446147.4U Expired - Fee Related CN211907752U (en) | 2020-03-31 | 2020-03-31 | High-voltage radio frequency coaxial connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211907752U (en) |
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2020
- 2020-03-31 CN CN202020446147.4U patent/CN211907752U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201110 |