CN218215842U - High temperature resistant radio frequency coaxial connector - Google Patents
High temperature resistant radio frequency coaxial connector Download PDFInfo
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- CN218215842U CN218215842U CN202222216882.8U CN202222216882U CN218215842U CN 218215842 U CN218215842 U CN 218215842U CN 202222216882 U CN202222216882 U CN 202222216882U CN 218215842 U CN218215842 U CN 218215842U
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Abstract
The utility model relates to a high temperature resistant radio frequency coaxial connector, which comprises a first shell, a second shell, a first inner conductor, a second inner conductor, a third inner conductor and an insulator; the first shell and the second shell are connected through laser welding; the first inner conductor is arranged in the first shell, the second inner conductor penetrates through the insulator and is arranged in the second shell through sintering, and the third inner conductor is connected with the second inner conductor; the first shell and the second shell are both made of 316L stainless steel; the first inner conductor and the third inner conductor are both made of 316L stainless steel, the second inner conductor is made of Kovar alloy, and the insulator is made of high-temperature-resistant glass; the connection structure of the inner conductor and the outer conductor has the advantages that the connection structure is high in strength and high temperature resistant, the assembly process is simpler, and the connector is high in overall reliability and excellent in performance; and the connector can be used in a high temperature environment and realize higher frequency signal transmission.
Description
Technical Field
The utility model relates to a in radio frequency connector technical field, especially, relate to a high temperature resistant radio frequency coaxial connector.
Background
The radio frequency connector mainly plays a role in signal interconnection and power transmission in various electronic equipment, can transmit various voltage and current signals, microwave radio frequency signals or power, and is widely applied to the fields of electronics, communication, computers, automobiles, energy sources, aerospace and the like; when the radio frequency coaxial connector is used, high heat is often generated, the heat is not discharged well, and the common radio frequency coaxial connector is damaged due to overhigh temperature and poor high temperature resistance. Therefore, a high-temperature-resistant radio-frequency coaxial connector is used, the traditional high-temperature-resistant radio-frequency coaxial connector adopts glass as an insulator, an inner conductor and an outer conductor which are made of beryllium bronze are adopted, the glass and the inner conductor and the outer conductor are assembled in an integrated sintering mode after being assembled, the deformation among microscopic molecules in the beryllium bronze material is reduced along with the rise of temperature in a high-temperature state of the inner conductor beryllium bronze of the connector, the elastic coefficient can be reduced, the reduction of contact pressure is easily caused after the reduction of the elastic coefficient, and poor contact or even contact failure is generated; in addition, the inner conductor and the connector of the traditional high-temperature-resistant radio frequency coaxial connector are in interference fit for plug-in connection, so that after multiple plug-in and plug-out operations, the plug-in part of the inner conductor is deformed, and poor contact is caused during plug-in operation; the traditional high-temperature-resistant radio frequency coaxial connector also has the problems of complex structure and high processing difficulty.
SUMMERY OF THE UTILITY MODEL
The utility model provides a high temperature resistant radio frequency coaxial connector, shell and inner conductor adopt elastic high temperature resistant material, and the insulator is connected through laser welding after assembling with inner conductor and shell, makes its reliability high and satisfies the application condition of high temperature and realizes the signal transmission of higher frequency, and the assembly process is simple simultaneously; the inner conductor adopts an elastic socket, so that the deformation generated after the inner conductor is inserted into the socket connector for many times is reduced, and the service life of the inner conductor is prolonged.
In order to solve the problems in the background art, the utility model discloses a realize through following technical scheme:
a high-temperature-resistant radio frequency coaxial connector comprises a first shell, a second shell, a first inner conductor, a second inner conductor, a third inner conductor and an insulator; the first housing and the second housing are connected by laser welding; the first inner conductor is arranged in the first shell, the second inner conductor penetrates through the insulator and is arranged in the second shell, and the second inner conductor, the insulator and the second shell are connected through sintering; the third inner conductor is connected with the second inner conductor; the first inner conductor is provided with a plug-in end A and a connecting end, one end of the second inner conductor penetrates through a compensation step E arranged on the first inner conductor and is inserted into the connecting end to be connected through laser welding; the other end of the second inner conductor is inserted into an insertion end B arranged at one end of the third inner conductor and connected with the third inner conductor, and an opposite insertion interface is arranged at the other end of the third inner conductor. The laser welding has the characteristics of wide range of welding materials and capability of mutually connecting various heterogeneous materials, and the welding seam has high strength, so that the connector structure has higher strength by laser welding the first shell and the second shell; the first inner conductor, the second inner conductor and the third inner conductor are connected, and are connected with the connector in an oppositely-inserted mode through the oppositely-inserted ports formed in the third inner conductor, and high-frequency signals are transmitted in a high-temperature environment.
Preferably, the first housing is provided with a fixing groove, and the second housing is inserted into the fixing groove and connected by laser welding. Carry out spacing fixed with second shell and first shell through the fixed slot to connect through laser welding, make its connection structure have higher intensity.
Preferably, a compensation step F is arranged at the connection position of the insertion end a and the connection end of the first inner conductor; the first inner conductor is limited inside the first shell through the connecting end and the compensation step E arranged in the first shell, and the compensation step E is attached to the end face of the insulator. And a compensation step F is arranged for adjusting the impedance of the product and optimizing the index of the product, and a compensation step E is used for limiting and fixing the first inner conductor.
Preferably, the inserting end a is provided with an elastic socket C, a connecting groove is formed in the connecting end, one end of the second inner conductor is inserted into the connecting groove formed in the connecting end and connected through laser welding, and the other end of the second inner conductor is connected with the third inner conductor through an elastic socket D formed in the inserting end B. Set up elasticity socket C and elasticity socket D, when the contact pin of adaptation was inserted, its elasticity socket radially had certain clamping action to the contact pin, realized radial elastic contact through radial centre gripping and carries out the elasticity plug.
Preferably, 316L stainless steel is adopted for the first shell and the second shell. The 316L stainless steel has the characteristics of excellent high-temperature oxidation resistance, elasticity and the like, the maximum use temperature is 1400 ℃, the continuous use temperature is 1150 ℃, and the temperature requirement can be met.
Preferably, the first inner conductor and the third inner conductor are both made of 316L stainless steel; the second inner conductor is made of kovar alloy. The 316L stainless steel has the characteristics of elasticity and the like, and the 316L stainless steel and the kovar alloy also have the characteristics of excellent high-temperature oxidation resistance and the like, the maximum service temperature is 1400 ℃, the continuous service temperature is 1150 ℃, and the temperature requirement can be met, so that the connector is ensured to be connected reliably, and high-frequency signal transmission is realized.
Preferably, the insulator is made of high-temperature-resistant glass. The high-temperature resistant glass has stable dielectric constant under high-temperature conditions, so that the connector has good signal transmission performance under high-temperature conditions.
Compared with the prior art, the utility model discloses following profitable technological effect has:
1. the first shell and the second shell are connected through laser welding, so that the connection reliability is guaranteed, and the connector structure has high strength.
2. The first shell, the second shell, the first inner conductor and the third inner conductor are made of 316L stainless steel; the second inner conductor is made of kovar alloy, so that the connector can meet the temperature requirement and has elasticity, and meanwhile, high-frequency signal transmission is achieved.
3. The first inner conductor and the third inner conductor are provided with the elastic sockets, so that the deformation of the inner conductor after being inserted into the socket connector for multiple times is reduced, and the service life of the connector is prolonged.
Drawings
FIG. 1 is a schematic front view of the overall structure of the present invention;
FIG. 2 is a schematic view of a connection structure of the first inner conductor and the second inner conductor in FIG. 1;
FIG. 3 is a schematic front view of the first inner conductor of FIG. 1;
fig. 4 is a schematic front view of the second inner conductor in fig. 1.
Fig. 5 is a front view of the third inner conductor of fig. 1.
Description of the reference numerals
10. A first housing; 11. a first inner conductor; 12. a plug end A; 13. a connecting end; 14. fixing grooves; 15. a compensation step F; 16. a compensation step E; 17. an elastic socket C; 18. connecting grooves; 20. a second housing; 21. a second inner conductor; 22. an insulator; 30. a third inner conductor; 31. a plug end B; 32. a socket is butted; 33. and an elastic socket D.
Detailed Description
As shown in fig. 1, a high temperature resistant rf coaxial connector includes a first housing 10, a second housing 20, a first inner conductor 11, a second inner conductor 21, a third inner conductor 30, and an insulator 22; the first housing 10 and the second housing 20 are connected by laser welding; the first inner conductor 11 is arranged in the first shell 10, the second inner conductor 21 passes through the insulator 22 and is arranged in the second shell 20, and the second inner conductor 21, the insulator 22 and the second shell 20 are connected through sintering; the third inner conductor 30 is connected to the second inner conductor 21; the first inner conductor 11 is provided with a plug end A12 and a connecting end 13, one end of the second inner conductor 21 passes through a compensation step E16 arranged on the first inner conductor 11, and the plug end 13 is connected in the connecting end by laser welding; the other end of the second inner conductor 21 is inserted into the plug end B31 provided at one end of the third inner conductor 30, and is connected to the third inner conductor 30, and the other end of the third inner conductor 30 is provided with a plug interface 32. The laser welding has the characteristics of wide variety range of welding materials, capability of mutually connecting various heterogeneous materials and high strength of welding seams, so that the connector structure has higher strength by the laser welding of the first shell 10 and the second shell 20; the first inner conductor 11, the second inner conductor 21 and the third inner conductor 30 are connected with each other, and are connected with the connector in an inserting manner through an inserting interface 32 arranged on the third inner conductor 30, so that high-frequency signals are transmitted in a high-temperature environment.
The first housing 10 is provided with fixing grooves 14, and the second housing 20 is inserted into the fixing grooves 14 and coupled by laser welding. The second housing 20 is fixed to the first housing 10 by the fixing grooves 14 and is connected by laser welding, so that the connector connection structure has high strength.
As shown in fig. 2 to 5, a compensation step F15 is provided at a connection position of the insertion end a12 and the connection end 13 of the first inner conductor 11; the first inner conductor 11 is limited in the first shell 10 through the connecting end 13 and a compensation step E16 arranged in the first shell 11, and the compensation step E16 is attached to the end face of the insulator 22. The compensation step F15 is arranged for adjusting the impedance of the product and optimizing the product index, and the compensation step E16 is used for limiting and fixing the first inner conductor 11 in the first shell 10.
The plug end a12 is provided with an elastic socket C17, the connecting end 13 is provided with a connecting groove 18, one end of the second inner conductor 21 is inserted into the connecting groove 18 arranged in the connecting end 13, and is connected with the third inner conductor 30 through an elastic socket D33 arranged at the other end of the second inner conductor 21 through a plug end B31 by laser welding. Set up elasticity socket C17 and elasticity socket D33, when the contact pin of adaptation was inserted, its elasticity socket C17 and elasticity socket D33 radially had certain clamping action to the plug-in components, realized radial elastic contact through radial centre gripping and carried out the elastic plug, reduced with the plug-in components many times to inserting the deformation of back inner conductor, extension connector life.
The first and second housings 10 and 20 are both made of 316L stainless steel. The 316L stainless steel has the characteristics of excellent high-temperature oxidation resistance, elasticity and the like, the maximum service temperature is 1400 ℃, the continuous service temperature is 1150 ℃, and the requirement of the service temperature of the connector can be met
The first inner conductor 11 and the third inner conductor 30 are both made of 316L stainless steel; the second inner conductor 21 is made of kovar alloy. The 316L stainless steel has the characteristics of elasticity and the like, and the 316L stainless steel and the kovar alloy also have the characteristics of excellent high-temperature oxidation resistance and the like, the maximum service temperature is 1400 ℃, the continuous service temperature is 1150 ℃, and the temperature requirement can be met, so that the connector is ensured to be connected reliably, and high-frequency signal transmission is realized.
The insulator 22 is made of high temperature resistant glass. The high-temperature resistant glass has stable dielectric constant under high-temperature conditions, so that the connector has good signal transmission performance under high-temperature conditions.
Claims (7)
1. A high temperature resistant radio frequency coaxial connector which characterized in that: comprises a first shell (10), a second shell (20), a first inner conductor (11), a second inner conductor (21), a third inner conductor (30) and an insulator (22); the first housing (10) and the second housing (20) are connected by laser welding; the first inner conductor (11) is arranged inside the first shell (10), the second inner conductor (21) penetrates through the insulator (22) and is arranged inside the second shell (20), and the second inner conductor (21), the insulator (22) and the second shell (20) are connected through sintering; the third inner conductor (30) is connected to the second inner conductor (21); the first inner conductor (11) is provided with a plug-in end A (12) and a connecting end (13), one end of the second inner conductor (21) penetrates through a compensation step E (16) arranged on the first inner conductor (11) and is inserted into the connecting end (13) to be connected through laser welding; the other end of the second inner conductor (21) is inserted into an inserting end B (31) arranged at one end of the third inner conductor (30) and connected with the third inner conductor (30), and an inserting interface (32) is arranged at the other end of the third inner conductor (30).
2. High temperature resistant radio frequency coaxial connector according to claim 1, characterized in that the first housing (10) is provided with a fixation groove (14), the second housing (20) being inserted into the fixation groove (14) and connected by laser welding.
3. The high-temperature-resistant radio-frequency coaxial connector according to claim 1, wherein a compensation step F (15) is arranged at the connection position of the plug end A (12) and the connecting end (13) of the first inner conductor (11); the first inner conductor (11) is limited in the first shell (10) through the connecting end (13) and the compensation step E (16) arranged in the first shell (10), and the compensation step E (16) is attached to the end face of the insulator (22).
4. The high-temperature-resistant radio-frequency coaxial connector according to claim 3, wherein the plug end A (12) is provided with an elastic insertion opening C (17), the connecting end inner part (13) is provided with a connecting groove (18), one end of the second inner conductor (21) is inserted into the connecting groove (18) arranged in the connecting end (13) and connected by laser welding, and the other end of the second inner conductor (21) is connected with the third inner conductor (30) through an elastic insertion opening D (33) arranged at the plug end B (31).
5. The high temperature resistant radio frequency coaxial connector according to claim 1, wherein the first housing (10) and the second housing (20) are both made of 316L stainless steel.
6. The high temperature resistant radio frequency coaxial connector according to claim 1, characterized in that the first inner conductor (11) and the third inner conductor (30) are both made of 316L stainless steel; the second inner conductor (21) is made of Kovar alloy.
7. The high temperature resistant radio frequency coaxial connector according to claim 1, characterized in that the insulator (22) is made of high temperature resistant glass.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222216882.8U CN218215842U (en) | 2022-08-23 | 2022-08-23 | High temperature resistant radio frequency coaxial connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222216882.8U CN218215842U (en) | 2022-08-23 | 2022-08-23 | High temperature resistant radio frequency coaxial connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218215842U true CN218215842U (en) | 2023-01-03 |
Family
ID=84658774
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222216882.8U Active CN218215842U (en) | 2022-08-23 | 2022-08-23 | High temperature resistant radio frequency coaxial connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218215842U (en) |
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2022
- 2022-08-23 CN CN202222216882.8U patent/CN218215842U/en active Active
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