CN108365372A - A kind of high-power RF coaxial cable connector - Google Patents
A kind of high-power RF coaxial cable connector Download PDFInfo
- Publication number
- CN108365372A CN108365372A CN201711395305.7A CN201711395305A CN108365372A CN 108365372 A CN108365372 A CN 108365372A CN 201711395305 A CN201711395305 A CN 201711395305A CN 108365372 A CN108365372 A CN 108365372A
- Authority
- CN
- China
- Prior art keywords
- axis body
- power
- insulation
- coaxial cable
- contact pin
- 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
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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
- 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
-
- 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
- H01R13/53—Bases or cases for heavy duty; Bases or cases for high voltage with means for preventing corona or arcing
-
- 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
- H01R24/40—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts specially adapted for high frequency
Abstract
A kind of high-power RF coaxial cable connector, including connector assembly (1), heat-shrink tube (2), radio frequency coaxial-cable (3), it is mutually twisted and is connect with insulation spacer (103) by the insulation axis body (102) in connector assembly (1), improve connector power tolerance threshold, it is connect with radio frequency coaxial-cable (3) by insulation spacer (103), enhance the alternation of the resistance to fast temperature ability of cable connector, on the basis of ensureing excellent microwave transmission parameter, realize the high-power signal transmission performance of connector for radio-frequency coaxial cable and highly reliable resistance to Space environmental property.
Description
Technical field
The present invention relates to a kind of high-power RF coaxial cable connectors, belong to microwave passive component field.
Background technology
Existing connector for radio-frequency coaxial cable generally uses traditional connector construction, and insulating materials is for cost control one
As using be resistant to aerospace very high temperature, extremely low temperature, irradiation engineering material, do not carry out that contact pin is front and back to be limited, Bu Nengman
Powerful requirement is transmitted under sufficient high/low temperature mutation, high radiation space environment and vacuum state；And mostly use large area
Air cavity is also easy to produce micro discharge phenomenon as microwave transmission carrier under the high-power signal that transmission is more than 100W, to connection
Device causes irreversible damage, to reduce the reliability of entire product.
Invention content
Present invention solves the technical problem that being：It cannot meet for convention connectors structure in the prior art and look for that temperature more
The case where degree, radiation environment, it is proposed that a kind of high-power RF coaxial cable connector is ensureing excellent microwave transmission parameter
On the basis of realize connector for radio-frequency coaxial cable highly reliable resistance to Space environmental property.
The present invention solves above-mentioned technical problem and is achieved by following technical solution：
A kind of high-power RF coaxial cable connector, including connector assembly, heat-shrink tube, radio frequency coaxial-cable, it is described
Radiofrequency signal is sent to by being coated on the heat-shrink tube of connector assembly latter half and is coated on heat-shrink tube tail by connector assembly
Radio frequency coaxial-cable in end is simultaneously sent along radio frequency coaxial-cable.
The connector assembly includes component contact pin, insulation axis body, insulation spacer, weldering set, assembly housing, and the component is inserted
Needle, insulation axis body, insulation spacer, weldering set may be contained in assembly housing, and component contact pin passes through tail portion centre bore and insulation axis body
Boss abutting joint by insulation axis body and is close to the axis body that insulate respectively in insulation axis body front end, and by the radiofrequency signal received
The insulation spacer of tail end setting is sent to heat-shrink tube, and the weldering set is wrapped in insulation axis body latter half.
The component contact pin includes front end contact pin, contact pin centre bore, and the front end contact pin needle body tail portion is emptied to form contact pin
The radiofrequency signal received is simultaneously sent to the insulation axis body being connected with contact pin centre bore by centre bore.
The insulation axis body includes annular convex platform, axis body connecting groove, the annular convex platform and contact pin center hole shape
Match and be engaged docking, the radiofrequency signal received is connect by contact pin centre bore by the axis body docked with insulation spacer front end boss
Groove is sent to insulation spacer.
The insulation spacer includes gasket connection tongue, taper bulge loop, and the gasket connects tongue and axis body connecting groove
Shape matches and occlusion docking, taper bulge loop are connect with radio frequency coaxial-cable head end insulating layer.
The insulation axis body, insulating gasket material are polytetrafluoroethylene (PTFE) or Noryl or polyetherimide or polyethers ether
Ketone.
The weldering cover material is gold-plated ledrite, and the assembly housing material is stainless steel.
The heat shrinkable pipe material is aviation rubber.
The radio frequency coaxial-cable material is the silver-plated core wrapped in teflon insulating layer of copper.
The connector assembly working frequency is DC~11GHz, and standing-wave ratio is less than 1.25, rated power 200W, work
Temperature is -100 DEG C~+150 DEG C.
The advantages of the present invention over the prior art are that：
(1) a kind of high-power RF coaxial cable connector provided by the invention, using insulator and insulation spacer two
The internal structure of section different materials and the insulator of structure as connector, the connector knot relative to traditional single insulator
Structure, the aerospace of the present invention mechanical performance of high-power RF coaxial cable connector and vacuum-resistant micro discharge performance obtain
To significantly improving, aerospace of the present invention has high reliability with high-power RF coaxial cable connector；
(2) insulator tail portion of the invention after being installed in place in embedded insulation spacer boss, the first external insulator and
Second external insulator forms broken line labyrinth structure with the contact surface of inner insulator respectively, creepage distance can be effectively increased, conducive to carrying
Anti- vacuum micro discharge under high connector high/low temperature alternation environment and anti-low pressure discharge ability, reduce that vacuum is high-power to be issued
The risk of raw micro discharge can accommodate relatively high power under high vacuum environment, realize between the radio frequency coaxial-cable interface of spatial position
Connection；
(3) insulation spacer tail portion of the invention is provided with taper bulge loop, and the taper bulge loop penetrates electricity when installed
Cable-end face can effectively prevent insulating layer of the radio frequency coaxial-cable end face under temperature alternating repeatedly to shrink situation, and can be to electricity
The air section that cable insulating layer generates after shrinking is obstructed, and is prevented the generation of micro discharge phenomenon, is effectively improved the resistance to power of connector
Threshold value；
(4) aerospace of the present invention is connect with high-power RF coaxial cable connector with traditional radio frequency coaxial-cable
Device is compared, and as a result of aerospace engineering material, is designed with the mutually nested broken line labyrinth structure of insulator, therefore power is more
Height, microwave transmission performance and resistance to Space environmental property are more preferable.Aerospace of the present invention is connected with high-power RF coaxial cable
The working frequency of device can be DC~11GHz, standing-wave ratio be less than 1.25, rated power 200W, operating temperature be -100 DEG C~+
It 150 DEG C, can work under high vacuum environment, realize the connection between the radio frequency coaxial-cable interface of space any position.
Description of the drawings
Fig. 1 is the connector assembly structure chart that invention provides；
Fig. 2 is the component pin junction composition that invention provides；
Fig. 3 is the insulation axis body structure chart that invention provides；
Fig. 4 is the insulation spacer structure chart that invention provides；
Fig. 5 is the equipments overall structure figure that invention provides；
Specific implementation mode
A kind of high-power RF coaxial cable connector, overall structure is as shown in figure 5,1 latter half set of connector assembly
Heat-shrink tube 2 is connect, 2 tail end of heat-shrink tube is connected with radio frequency coaxial-cable 3.
Wherein, connector assembly 1 is as shown in Figure 1, including component contact pin 101, insulation axis body 102, insulation spacer 103, weldering
Set 104, assembly housing 105, component contact pin 101, insulation axis body 102, insulation spacer 103, weldering set 104 may be contained within assembly housing
In 105, component contact pin 101 is installed on insulation 102 head end of axis body, and insulation spacer 103 is close to 102 tail end of axis body installation of insulating, weldering
Set 104 is sleeved on insulation 102 latter half of axis body, and insulation spacer 103 is connected with heat-shrink tube 2；
As shown in Fig. 2, the component contact pin 101 includes front end contact pin 1011, contact pin centre bore 1012, component contact pin 101
Radiofrequency signal is received by leading portion contact pin 1011, contact pin centre bore 1012 is connected with insulation axis body 102；
As shown in figure 3, insulation axis body 102 includes annular convex platform 1021, axis body connecting groove 1022, annular convex platform 1021 is logical
It crosses contact pin centre bore 1012 to connect with component contact pin 101, while axis body connecting groove 1022 is connect with insulation spacer 103；
Wherein, the boss and centre bore that component contact pin 101, insulation axis body 102 are mutually matched by head and the tail both ends shape are stung
Close connection；The boss and groove that insulation axis body 102, insulation spacer 103 are mutually matched by head and the tail both ends shape are connected.
Insulation axis body 102 is connect by axis body connecting groove 1022 with insulation spacer 103, and creepage distance can be effectively increased,
Conducive to the anti-vacuum micro discharge and anti-low pressure discharge ability improved under connector high/low temperature alternation environment, the big work(of vacuum is reduced
The risk that micro discharge occurs under rate, can accommodate relatively high power under high vacuum environment, realize that spatial position radio frequency coaxial-cable connects
Connection between mouthful.
As shown in figure 4, insulation spacer 103 includes gasket connection tongue 1031, taper bulge loop 1032, insulation spacer 103 divides
Tongue 1031 is not connected by gasket and matches connection with the axis body connecting groove 1022 for the axis body 102 that insulate, while is convex by taper
Ring 1032 is inserted into the insulating layer of 3 front end of radio frequency coaxial-cable to be connected with radio frequency coaxial-cable 3.By the way that taper bulge loop is arranged
1032, and it is inserted into when being installed in place the insulating layer of radio frequency coaxial-cable 3 front end, radio frequency coaxial-cable end face can be effectively prevent to exist
The insulating layer under temperature alternating shrinks situation repeatedly, and the air section generated after being shunk to cable insulation obstructs,
The generation for preventing micro discharge phenomenon effectively improves the resistance to power threshold of connector.
When assembly in place when, the insulation outer step of axis body 102 and fitting closely for assembly housing 105, component contact pin 101 and
Insulation axis body 102 fits closely, and forms axial limit structure；Component contact pin 101, insulation axis body 102, insulation spacer 103, weldering
Set 104 and assembly housing 105 are respectively positioned on same axis.
There are four types of common insulating materials：Polytetrafluoroethylene (PTFE), Noryl, polyetherimide and polyether-ether-ketone.It can
To select any one insulating materials to process to obtain insulation spacer 103 and insulation axis body 102.
105 material of the assembly housing is stainless steel, and 2 material of the heat-shrink tube is aviation rubber, the RF coaxial electricity
3 material of cable is the silver-plated core wrapped in teflon insulating layer of copper.
Connector scheme of the present invention realizes RF coaxial electricity on the basis of ensureing excellent microwave transmission parameter
The high-power signal transmission performance of cable connector and highly reliable resistance to Space environmental property.
In addition, aerospace of the present invention high-power RF coaxial cable connector connects with traditional radio frequency coaxial-cable
It connects device to compare, as a result of aerospace engineering material, is designed with the mutually nested broken line labyrinth structure of insulator, therefore can pass
Defeated power higher, microwave transmission performance and resistance to Space environmental property are more preferable.Aerospace high-power RF of the present invention is coaxial
The working frequency of cable connector can be DC~11GHz, standing-wave ratio be less than 1.25, rated power 200W, operating temperature be-
It 100 DEG C~+150 DEG C, can work under high vacuum environment, realize the connection between the radio frequency coaxial-cable interface of space any position.
The content that description in the present invention is not described in detail belongs to the known technology of those skilled in the art.
Claims (10)
1. a kind of high-power RF coaxial cable connector, it is characterised in that：Including connector assembly (1), heat-shrink tube (2), penetrate
High frequency coaxial cable (3), the connector assembly (1) is by radiofrequency signal by being coated on the heat of connector assembly (1) latter half
The draw (2) is sent to the radio frequency coaxial-cable (3) being coated in heat-shrink tube (2) tail end and is sent along radio frequency coaxial-cable (3).
2. a kind of high-power RF coaxial cable connector according to claim 1, it is characterised in that：The connector group
Part (1) includes component contact pin (101), insulation axis body (102), insulation spacer (103), weldering set (104), assembly housing (105), institute
Component contact pin (101), insulation axis body (102), insulation spacer (103), weldering set (104) is stated to may be contained in assembly housing (105),
Component contact pin (101) by tail portion centre bore with insulation axis body (102) boss abutting joint in insulation axis body (102) front end, and
By the radiofrequency signal received respectively by insulate axis body (102) and be close to insulate axis body (102) tail end setting insulation spacer
(103) it send to heat-shrink tube (2), the weldering set (104) is wrapped in insulation axis body (102) latter half.
3. a kind of high-power RF coaxial cable connector according to claim 2, it is characterised in that：The component contact pin
(101) include front end contact pin (1011), contact pin centre bore (1012), front end contact pin (1011) the needle body tail portion empty to be formed it is slotting
The radiofrequency signal received is simultaneously sent to the insulation axis body being connected with contact pin centre bore (1012) by center of pin hole (1012)
(102)。
4. a kind of high-power RF coaxial cable connector according to claim 2, it is characterised in that：The insulation axis body
(102) include annular convex platform (1021), axis body connecting groove (1022), the annular convex platform (1021) and contact pin centre bore
(1012) shape matching and occlusion docking, contact pin centre bore (1012) by the radiofrequency signal received by with insulation spacer
(103) the axis body connecting groove (1022) of front end boss docking is sent to insulation spacer (103).
5. a kind of high-power RF coaxial cable connector according to claim 2, it is characterised in that：The insulation spacer
(103) include gasket connection tongue (1031), taper bulge loop (1032), the gasket connection tongue (1031) connect recessed with axis body
Slot (1022) shape matches and occlusion docking, taper bulge loop (1032) are connect with radio frequency coaxial-cable (3) head end insulating layer.
6. a kind of high-power RF coaxial cable connector according to claims 1 to 5, it is characterised in that：The insulation
Axis body (102), insulation spacer (103) material are polytetrafluoroethylene (PTFE) or Noryl or polyetherimide or polyether-ether-ketone.
7. a kind of high-power RF coaxial cable connector according to claims 1 to 5, it is characterised in that：The weldering set
Material is gold-plated ledrite, and assembly housing (105) material is stainless steel.
8. a kind of high-power RF coaxial cable connector according to claims 1 to 5, it is characterised in that：The pyrocondensation
Pipe (2) material is aviation rubber.
9. a kind of high-power RF coaxial cable connector according to claims 1 to 5, it is characterised in that：The radio frequency
Coaxial cable (3) material is the silver-plated core wrapped in teflon insulating layer of copper.
10. a kind of high-power RF coaxial cable connector according to claims 1 to 5, it is characterised in that：The connection
Device assembly (1) working frequency be DC~11GHz, standing-wave ratio be less than 1.25, rated power 200W, operating temperature be -100 DEG C~
+150℃。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711395305.7A CN108365372A (en) | 2017-12-21 | 2017-12-21 | A kind of high-power RF coaxial cable connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711395305.7A CN108365372A (en) | 2017-12-21 | 2017-12-21 | A kind of high-power RF coaxial cable connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108365372A true CN108365372A (en) | 2018-08-03 |
Family
ID=63010499
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711395305.7A Pending CN108365372A (en) | 2017-12-21 | 2017-12-21 | A kind of high-power RF coaxial cable connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108365372A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110635300A (en) * | 2019-09-24 | 2019-12-31 | 北京机械设备研究所 | Cable assembly part and processing method of tail cover of electric connector |
| CN114678671A (en) * | 2022-03-10 | 2022-06-28 | 中国航天时代电子有限公司 | High-power resistant TNC radio frequency cable subassembly of radiation outside cabin for aerospace |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3191366U (en) * | 2014-04-08 | 2014-06-19 | 嘉捷電子工業股▲ふん▼有限公司 | Connector for coaxial cable |
| CN204067674U (en) * | 2014-05-16 | 2014-12-31 | 镇江市明基电子有限公司 | A kind of anti-loosening radio frequency (RF) coaxial connector |
| CN204118361U (en) * | 2014-07-23 | 2015-01-21 | 杭州航天电子技术有限公司 | A kind of modularization compression joint type three coaxial connector contact assembly |
| CN104377480A (en) * | 2014-10-30 | 2015-02-25 | 中国航天时代电子公司 | Outside-cabin high-power TNC cable assembly for astronavigation |
-
2017
- 2017-12-21 CN CN201711395305.7A patent/CN108365372A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3191366U (en) * | 2014-04-08 | 2014-06-19 | 嘉捷電子工業股▲ふん▼有限公司 | Connector for coaxial cable |
| CN204067674U (en) * | 2014-05-16 | 2014-12-31 | 镇江市明基电子有限公司 | A kind of anti-loosening radio frequency (RF) coaxial connector |
| CN204118361U (en) * | 2014-07-23 | 2015-01-21 | 杭州航天电子技术有限公司 | A kind of modularization compression joint type three coaxial connector contact assembly |
| CN104377480A (en) * | 2014-10-30 | 2015-02-25 | 中国航天时代电子公司 | Outside-cabin high-power TNC cable assembly for astronavigation |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110635300A (en) * | 2019-09-24 | 2019-12-31 | 北京机械设备研究所 | Cable assembly part and processing method of tail cover of electric connector |
| CN114678671A (en) * | 2022-03-10 | 2022-06-28 | 中国航天时代电子有限公司 | High-power resistant TNC radio frequency cable subassembly of radiation outside cabin for aerospace |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180803 |
|
| RJ01 | Rejection of invention patent application after publication |