CN113346296A - Novel super-power radio frequency connector - Google Patents
Novel super-power radio frequency connector Download PDFInfo
- Publication number
- CN113346296A CN113346296A CN202110772272.3A CN202110772272A CN113346296A CN 113346296 A CN113346296 A CN 113346296A CN 202110772272 A CN202110772272 A CN 202110772272A CN 113346296 A CN113346296 A CN 113346296A
- Authority
- CN
- China
- Prior art keywords
- jack
- contact
- pin
- contact element
- shell
- 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
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- 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
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- 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
- H01R13/02—Contact members
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- 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
Abstract
The invention provides a novel ultra-high power radio frequency connector; the pin contact element and the jack contact element are included; a first insulating layer of the contact pin contact element is filled in the area between the contact pin part and the inner wall of the contact pin shell, the end face of the contact pin contact element is a plugging reference surface, and the first insulating layer is provided with an insulating ring groove; the second insulating layer of the jack contact element is filled in the area between the jack part and the inner wall of the jack shell, the end part of the jack extends out of the plugging reference surface of the jack contact element, and the end surface of the jack part is provided with a slot matched with the pin inserting part; the contact pin contact element is matched with the jack contact element, and a first air insulation chamber is formed between the outer wall of the jack part and the wall of the insulation ring groove; and a second air insulation cavity is formed between the end face of the first insulation layer and the end face of the second insulation layer. The connector is a blind-mate high-power radio frequency coaxial connector and adopts a brand new interface. The interface is filled with a mixed medium of air and a polytetrafluoroethylene material, so that the heat conduction coefficient is improved, heat is favorably transmitted to the outside, and the power capacity is improved.
Description
Technical Field
The invention relates to a radio frequency connector, in particular to a novel ultrahigh-power radio frequency connector.
Background
The existing blind-mate radio frequency connectors are numerous, and the working interfaces of the existing domestic quick-plug radio frequency connectors can be listed as follows according to the sizes from small to large: TMA, SBX, L52, etc., but each of the above radio frequency connectors has disadvantages, such as TMA, SBX, etc., which do not meet the user system requirements for connector power capacity; the power capacity of radio frequency connectors such as L52 is large, but the overall dimension of the connector is large, and due to threaded connection, a large installation space is needed, the integration level is low, and the weight is too large, so that the requirement of miniaturization and high integration cannot be met. At present, a radio frequency coaxial connector which meets the assembly requirements of a vehicle-mounted radar system, has the working frequency of 3GHz and has the capability of transmitting 5000W continuous wave power is needed urgently.
Disclosure of Invention
The invention aims to solve the technical problem of providing a novel miniaturized and high-power ultrahigh-power radio frequency connector.
In order to solve the technical problems, the invention provides a novel ultra-high power radio frequency connector;
the pin contact element and the jack contact element are included;
the contact pin contact piece comprises a contact pin shell, a contact pin part and a first insulating layer, wherein the contact pin shell is an outer conductor, the contact pin part is an inner conductor, the contact pin part is positioned in the contact pin shell, the first insulating layer is filled in the area between the contact pin part and the inner wall of the contact pin shell, the end face of the contact pin contact piece is a plugging reference surface, the first insulating layer in the circumferential direction of the contact pin part is provided with an insulating ring groove, and the insulating ring groove extends to the plugging reference surface of the contact pin contact piece;
the jack contact element comprises a jack shell, a jack part and a second insulating layer, wherein the jack shell is an outer conductor, the jack part is an inner conductor, the jack part is positioned in the jack shell, the second insulating layer is filled in a region between the jack part and the inner wall of the jack shell, the end surface of the jack contact element is an insertion reference surface, the end part of the jack extends out of the insertion reference surface of the jack contact element, the end surface of the jack part is provided with a slot matched with the pin part, the wall thickness of the end part of the jack part extending out of the insertion reference surface is smaller than the width of an insulating ring groove, and a gap is formed between the end surface of the second insulating layer and the insertion reference surface of the jack contact element;
the contact pin contact element is matched with the jack contact element, the end face of a contact pin shell of the contact pin contact element is contacted with the end face of a jack shell of the jack contact element, a jack part of the jack contact element extends into an insulating ring groove of the first insulating layer, and the contact pin part extends into the slot; a second air insulation chamber for isolating the jack part and the jack shell is formed between the end face of the first insulation layer of the pin contact piece and the end face of the second insulation layer of the jack contact piece.
As the optimization of this novel super large power radio frequency connector, the contact pin casing tip of contact pin contact is equipped with first flange, the jack casing tip of jack contact be equipped with first flange complex second flange, it is fixed through flange joint between contact pin casing and the jack casing.
As the optimization of this novel super high power radio frequency connector, the contact pin casing terminal surface of contact pin contact extends to the grafting reference surface outside of contact pin contact has circumferential assembly step, the jack casing terminal surface of jack contact is opened has and is assembled step complex assembly annular.
As the optimization of this novel super high power radio frequency connector, the assembly step of contact pin contact has the location boss to the grafting reference surface outside extension of contact pin contact, it has the location notch with location boss complex to open on the assembly annular cell wall of jack contact.
As the optimization of this novel super high power radio frequency connector, the jack portion lateral wall that stretches out the grafting reference surface outside of jack contact spare is opened has a plurality of even circumference distribution's logical groove, lead to on the groove extends to jack portion terminal surface, lead to the groove and communicate with each other with the slot.
As the optimization of the novel ultra-high power radio frequency connector, the length of the jack part of the jack contact element extending out of the plugging reference surface of the jack contact element is smaller than the depth of the insulating ring groove of the pin contact element.
As the optimization of the novel ultra-high power radio frequency connector, the first insulating layer and the second insulating layer are made of polytetrafluoroethylene dielectric materials.
The novel ultra-high power radio frequency connector is a coaxial transmission line, and two ends of the coaxial transmission line are connected to a signal source, a load, an antenna and other equipment after being interconnected with an adaptive radio frequency connector or a circuit board. When the power-on circuit works, the outer conductor is grounded, the current axially transmits radio-frequency signals through the outer surface of the inner conductor, the radio-frequency signals are distributed parameter circuits, a TEM mode is transmitted, and the electric field inside the TEM mode is always perpendicular to the current transmission direction. The characteristic impedance can be calculated by the formula (1).
In the formula (1), ε r represents the relative permittivity of the insulating medium, a represents the outer diameter of the inner conductor, and b represents the inner diameter of the outer conductor.
And it is important that the temperature within the cable and connector be less than the safe temperature when the rf coaxial connector is transmitting average power. Heat generated by the losses is conducted outward through the cables and connectors and is transmitted to the outside environment by conduction, convection, and radiation.
The novel ultra-high power radio frequency connector is a novel blind-mate high-power radio frequency coaxial connector and adopts a brand-new designed interface. The high-power transmission requirement is considered, and the interior of the connector is filled with polytetrafluoroethylene medium; the interface is filled with a mixed medium of air and a polytetrafluoroethylene material, so that the heat conduction coefficient is improved, heat is favorably transmitted to the outside, and the power capacity is improved.
Compared with the existing quick plug connector, the quick plug connector has the following advantages:
1. compared with an SBX type radio frequency coaxial connector, the novel ultra-high power radio frequency connector has higher power transmission capacity; according to the specific use environment of a user, the floating-free blind-mating structure design is carried out, so that strong acting force cannot be generated on the mounting plate; the environmental suitability is good, and the reliability is high.
2. Compared with the existing threaded connector, such as an L52 type radio frequency coaxial connector, the novel ultra-high power radio frequency connector is of a blind-mate structure; according to the specific use environment of the user, the installation space is saved, and the weight of the product and the overall size of the equipment are favorably reduced.
Drawings
Fig. 1 is a schematic diagram of a plugging interface of the novel ultra-high power rf connector.
Fig. 2 is a schematic diagram of a pin contact in the ultra-high power rf connector of the present invention.
Fig. 3 is a schematic diagram of a pin portion of the novel ultra-high power rf connector.
Fig. 4 is a schematic diagram of a jack contact in the novel ultra-high power rf connector.
Fig. 5 is a schematic diagram of the socket portion of the ultra-high power rf connector of the present invention.
Detailed Description
The novel ultra-high power radio frequency connector comprises a contact pin contact element and a jack contact element.
As shown in fig. 2 to 3, the pin contact includes a pin housing 11, a pin portion 13, and a first insulating layer 12.
The pin shell 11 is an outer conductor, the pin portion 13 is an inner conductor, the pin portion 13 is located in the pin shell 11, an axis of the pin portion 13 is collinear with an axis of the pin shell 11, the first insulating layer 12 fills a region between the pin portion 13 and an inner wall of the pin shell 11, the first insulating layer 12 is made of polytetrafluoroethylene dielectric material, an end face of the pin contact member is a plug reference plane alpha, the first insulating layer 12 in the circumferential direction of the pin portion 13 is provided with an insulating ring groove 12a, and the insulating ring groove 12a extends to the plug reference plane alpha of the pin contact member.
The end of the pin shell 11 of the pin contact is provided with a first flange 11a, the end face of the pin shell 11 of the pin contact extends to the outside of the plugging reference surface alpha of the pin contact to form a circumferential assembling step 11b, and the assembling step 11b extends to the outside of the plugging reference surface alpha of the pin contact to form a positioning boss 11 c.
The interface dimensions of the pin contacts (identified in fig. 2-3) are as follows:
as shown in fig. 4 to 5, the receptacle contact includes a receptacle housing 21, a receptacle portion 23, and a second insulating layer 22.
The jack shell 21 is an outer conductor, the jack portion 23 is an inner conductor, the jack portion 23 is located in the jack shell 21, the axis of the jack portion 23 is collinear with the axis of the jack shell 21, the second insulating layer 22 fills the area between the jack portion 23 and the inner wall of the jack shell 21, the second insulating layer 22 is made of polytetrafluoroethylene dielectric material, the end face of the jack contact element is an insertion reference face alpha, the end portion of the jack portion 23 extends out of the insertion reference face alpha of the jack contact element, the end face of the jack portion 23 is provided with a slot 23a matched with the pin portion 13, the wall thickness of the end portion of the jack portion 23 extending out of the insertion reference face alpha is smaller than the width of the insulating ring groove 12a, the side wall of the jack portion 23 extending out of the insertion reference face alpha of the jack contact element is provided with a plurality of uniformly and circumferentially distributed through grooves 23b, the through grooves 23b extend to the end face of the jack portion 23, the through grooves 23b are communicated with the slot 23a, and a gap is formed between the end face of the second insulating layer 22 and the insertion reference face alpha of the jack contact element.
The end of the jack housing 21 is provided with a second flange 21a matched with the first flange 11a, the end face of the jack housing 21 of the jack contact element is provided with an assembling ring groove 21b matched with the assembling step 11b towards the direction of the plugging reference surface alpha far away from the jack contact element, and the groove wall of the assembling ring groove 21b is provided with a positioning notch 21c matched with the positioning boss 11 c.
The length of the socket portion 23 of the socket contact extending out of the plugging reference surface α of the socket contact is smaller than the depth of the insulation ring groove 12a of the pin contact.
The interface dimensions of the socket contacts (identified in fig. 4 to 5) are as follows:
as shown in fig. 1, the pin contact and the socket contact are fixed by the first flange 11a and the second flange 21a in a screw-fit connection manner, the end surface of the pin housing 11 of the pin contact is in contact with the end surface of the socket housing 21 of the socket contact, the socket portion 23 of the socket contact extends into the insulation ring groove 12a of the first insulation layer 12, the pin portion 13 extends into the socket 23a, the pin is in contact with the inner wall of the socket 23a, and a first air insulation chamber 31 for isolating the socket portion 23 from the pin housing 11 is formed between the outer wall of the socket portion 23 extending into the insulation ring groove 12a and the groove wall of the insulation ring groove 12 a; a second air-insulated chamber 32 separating the jack portion 23 and the jack housing 21 is formed between the end face of the first insulating layer 12 of the pin contact and the end face of the second insulating layer 22 of the jack contact.
The novel ultra-high power radio frequency connector is a connector capable of being plugged and unplugged quickly, a flange fixed mounting mode is adopted, the working frequency can reach 3GHz, balance is found in the aspects of miniaturization and high-power transmission, and the use requirement of a user system is met. And through the design of super high power transmission channel, this novel super high power radio frequency connector can be used to on-vehicle radar system and the military radar system, transmits 5000W continuous wave power, has high reliability.
The above description is only one embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and improvements can be made without departing from the principle of the present invention, and these should also be considered as falling within the protection scope of the present invention.
Claims (7)
1. A novel super power radio frequency connector is characterized in that:
the pin contact element and the jack contact element are included;
the contact pin contact piece comprises a contact pin shell, a contact pin part and a first insulating layer, wherein the contact pin shell is an outer conductor, the contact pin part is an inner conductor, the contact pin part is positioned in the contact pin shell, the first insulating layer is filled in the area between the contact pin part and the inner wall of the contact pin shell, the end face of the contact pin contact piece is a plugging reference surface, the first insulating layer in the circumferential direction of the contact pin part is provided with an insulating ring groove, and the insulating ring groove extends to the plugging reference surface of the contact pin contact piece;
the jack contact element comprises a jack shell, a jack part and a second insulating layer, wherein the jack shell is an outer conductor, the jack part is an inner conductor, the jack part is positioned in the jack shell, the second insulating layer is filled in a region between the jack part and the inner wall of the jack shell, the end surface of the jack contact element is an insertion reference surface, the end part of the jack extends out of the insertion reference surface of the jack contact element, the end surface of the jack part is provided with a slot matched with the pin part, the wall thickness of the end part of the jack part extending out of the insertion reference surface is smaller than the width of an insulating ring groove, and a gap is formed between the end surface of the second insulating layer and the insertion reference surface of the jack contact element;
the contact pin contact element is matched with the jack contact element, the end face of a contact pin shell of the contact pin contact element is contacted with the end face of a jack shell of the jack contact element, a jack part of the jack contact element extends into an insulating ring groove of the first insulating layer, and the contact pin part extends into the slot; a second cavity for isolating the jack part and the jack shell is formed between the end face of the first insulating layer of the pin contact piece and the end face of the second insulating layer of the jack contact piece.
2. The novel ultra-high power radio frequency connector of claim 1, wherein:
the plug pin contact piece is characterized in that a first flange is arranged at the end part of a plug pin shell of the plug pin contact piece, a second flange matched with the first flange is arranged at the end part of a jack shell of the jack contact piece, and the plug pin shell and the jack shell are fixedly connected through a flange.
3. The novel ultra-high power radio frequency connector of claim 2, wherein:
the plug pin contact piece is characterized in that a plug pin shell end face of the plug pin contact piece extends to the outer side of a plug-in reference surface of the plug pin contact piece to form a circumferential assembly step, and an assembly ring groove matched with the assembly step is formed in the plug hole shell end face of the plug hole contact piece.
4. The novel ultra-high power radio frequency connector of claim 3, wherein:
the assembling step of the contact pin contact element extends to the outer side of the inserting reference surface of the contact pin contact element to form a positioning boss, and a positioning notch matched with the positioning boss is formed in the wall of the assembling ring groove of the jack contact element.
5. The novel ultra-high power radio frequency connector of claim 1, wherein:
the side wall of the jack part, which extends out of the plugging reference surface of the jack contact part, is provided with a plurality of through grooves which are uniformly and circumferentially distributed, the through grooves extend to the end surface of the jack part, and the through grooves are communicated with the slots.
6. The novel ultra-high power radio frequency connector of claim 1, wherein:
the length of the jack part of the jack contact element extending out of the plugging reference surface of the jack contact element is less than the depth of the insulation ring groove of the pin contact element.
7. The novel ultra-high power radio frequency connector of claim 1, wherein:
the first insulating layer and the second insulating layer are made of polytetrafluoroethylene dielectric materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110772272.3A CN113346296A (en) | 2021-07-08 | 2021-07-08 | Novel super-power radio frequency connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110772272.3A CN113346296A (en) | 2021-07-08 | 2021-07-08 | Novel super-power radio frequency connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113346296A true CN113346296A (en) | 2021-09-03 |
Family
ID=77483037
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110772272.3A Pending CN113346296A (en) | 2021-07-08 | 2021-07-08 | Novel super-power radio frequency connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113346296A (en) |
-
2021
- 2021-07-08 CN CN202110772272.3A patent/CN113346296A/en active Pending
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