CN114976793A - Integrated board end radio frequency connector - Google Patents

Integrated board end radio frequency connector Download PDF

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Publication number
CN114976793A
CN114976793A CN202210565688.2A CN202210565688A CN114976793A CN 114976793 A CN114976793 A CN 114976793A CN 202210565688 A CN202210565688 A CN 202210565688A CN 114976793 A CN114976793 A CN 114976793A
Authority
CN
China
Prior art keywords
outer conductor
inner conductor
conductor
radio frequency
pcb
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
Application number
CN202210565688.2A
Other languages
Chinese (zh)
Inventor
何岸杨
吴东兴
仇爱东
施米丁格·克里斯蒂安
希尔·索伦
格鲁伯·安德烈亚斯
赫贝克·约翰内斯
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Rosenberger Asia Pacific Electronics Co Ltd
Original Assignee
Rosenberger Asia Pacific Electronics Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Rosenberger Asia Pacific Electronics Co Ltd filed Critical Rosenberger Asia Pacific Electronics Co Ltd
Priority to CN202210565688.2A priority Critical patent/CN114976793A/en
Publication of CN114976793A publication Critical patent/CN114976793A/en
Pending legal-status Critical Current

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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
    • 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
    • H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • 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
    • H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/629—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
    • H01R13/631—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances for engagement only
    • H01R13/6315—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances for engagement only allowing relative movement between coupling parts, e.g. floating connection
    • 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
    • H01R24/50—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 mounted on a PCB [Printed Circuit Board]

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  • Coupling Device And Connection With Printed Circuit (AREA)

Abstract

The invention discloses an integrated board end radio frequency connector, which comprises: outer conductor, inner conductor and insulating part, wherein, the outer conductor includes: the PCB comprises an outer conductor bottom structure, an outer conductor middle structure and an outer conductor top structure, wherein the outer conductor bottom structure is connected with the PCB, at least one part of the outer conductor top structure is an elastic structure, and the outer conductor middle structure is a flexible structure; in the outer conductor was located to the inner conductor, the inner conductor included: the bottom structure of the inner conductor and the middle structure of the inner conductor are also the top structure of the inner conductor, the bottom structure of the inner conductor is connected with the PCB, at least one part of the top structure of the inner conductor is an elastic structure, and the middle structure of the inner conductor is a flexible structure; the insulating part is arranged between the outer conductor and the inner conductor, and the insulating part supports and fixes the relative positions of the outer conductor and the inner conductor. The invention satisfies the low-cost easy assembly required by the development of communication equipment, and simultaneously can ensure the board-to-board and board-to-filter radio frequency connection schemes with excellent mechanical tolerance and radio frequency performance.

Description

Integrated board end radio frequency connector
Technical Field
The invention relates to the technical field of electronic information, in particular to an integrated board end radio frequency connector.
Background
The number of single radio frequency channels between the board to the board and the board to the filter in the next generation of wireless communication equipment is greatly increased compared with the prior art, so that the single channel cost and the mechanical and electrical performance of the product are the main manifestations of connector competitiveness.
The radio frequency connection solutions on the market today between the main flow board to the board and the board to the filter are three-piece connectors like L-SMP and P-SMP of rosenberg, germany, SMP-MAX of ledea, france, and the MBX family of switzerland, which consists of two board ends or one board end plus one filter end connector and one intermediate adapter.
The above prior art is a three-piece connection scheme, i.e. to achieve a board-to-board or board-to-filter connection requires three radio frequency connectors: a board end connector, an intermediate adapter, and another board end or filter end connector. The mechanical tolerance functionality of the entire connection system is achieved by a split radially deflectable intermediate adapter.
The three-piece connection scheme is expensive to manufacture, and requires assembly of the intermediate adapter during the production of the communication device, which can be a labor intensive process. The scheme of a plurality of device quantity has not only increased the management and control and the manufacturing cost of material, has also increased the quality risk simultaneously.
Therefore, there is a need for an integrated board-end rf connector with simple structure, easy operation, low cost and large mechanical matching tolerance.
Disclosure of Invention
Accordingly, the present invention is directed to an integrated board end rf connector.
In order to achieve the purpose, the invention adopts the technical scheme that:
an integral board end radio frequency connector, comprising:
an outer conductor, the outer conductor comprising: the PCB comprises an outer conductor bottom structure, an outer conductor middle structure and an outer conductor top structure, wherein the outer conductor middle structure is connected with the outer conductor bottom structure and the outer conductor top structure, the outer conductor bottom structure is connected with a PCB, at least one part of the outer conductor top structure is an elastic structure, and the outer conductor middle structure is a flexible structure;
an inner conductor disposed within the outer conductor, the inner conductor comprising: the PCB comprises an inner conductor bottom structure, an inner conductor middle structure and an inner conductor top structure, wherein the inner conductor bottom structure is connected with the PCB, at least one part of the inner conductor top structure is an elastic structure, and the inner conductor middle structure is a flexible structure;
the insulating component is arranged between the outer conductor and the inner conductor, and supports and fixes the relative positions of the outer conductor and the inner conductor;
wherein the outer conductor bottom structure and the inner conductor bottom structure are deflectably connected with the PCB board.
The above-mentioned integrated board end radio frequency connector, wherein the insulating member includes: the top insulating part is fixedly connected with the outer conductor top structure and the inner conductor top structure, and the middle insulating part is fixedly connected with the outer conductor middle structure and the inner conductor middle structure.
The above-mentioned integral type board end radio frequency connector, wherein, outer conductor middle part structure with outer conductor middle part structure all includes: and the waist drum-shaped reed is used for buffering the deflection torque of the PCB and is of an elastic structure.
In the integrated board end radio frequency connector, the top insulating part and the middle insulating part are both formed by encapsulation and injection molding with the inner conductor at one time.
The integrated board end rf connector described above, wherein the outer conductor top structure and the inner conductor top structure are operatively connected to another PCB board or filter.
In the integrated board end radio frequency connector, the outer surfaces of the inner conductor and the outer conductor are both plated.
In the integrated plate end radio frequency connector, the outer conductor is formed by a stamping and rolling process, two dovetail grooves are formed in the surrounding position of the outer conductor, and the two dovetail grooves are riveted with the outer conductor.
The above-mentioned integral type board end radio frequency connector, wherein, inner conductor bottom structure includes: and the four welding feet are fixedly connected with the PCB through a perforation welding process.
In the integrated board end radio frequency connector, the inner conductor is processed by stamping, and the bottom structure of the inner conductor is fixedly connected with the PCB through a surface mounting welding process.
In the above integrated board end rf connector, the middle insulating member and the outer conductor are spot-riveted.
Due to the adoption of the technology, compared with the prior art, the invention has the following positive effects:
(1) the invention satisfies the low-cost easy assembly required by the development of communication equipment, and simultaneously can ensure the board-to-board and board-to-filter radio frequency connection schemes with excellent mechanical tolerance and radio frequency performance.
(2) The invention can be used for the construction of wireless network station equipment and realizes the transmission of radio frequency signals. The method is particularly suitable for the radio frequency connection between the board-to-board and the board-to-filter in the mobile communication base station equipment or the radio remote unit.
(3) The invention meets the requirements of low cost and easy assembly required by the development of communication equipment, and simultaneously can ensure excellent mechanical tolerance and radio frequency performance of board-to-board and board-to-filter radio frequency connection.
Drawings
Fig. 1 is a schematic cross-sectional view of an integral board end radio frequency connector of the present invention.
Fig. 2 is a schematic view of the integrated board end rf connector of the present invention.
In the drawings: 1. an outer conductor; 2. an inner conductor; 3. an insulating member; 4. a drum-shaped reed; 5. a dovetail groove; 6. welding feet; 11. an outer conductor bottom structure; 12. an outer conductor middle structure; 13. an outer conductor top structure; 21. an inner conductor bottom structure; 22. an inner conductor middle structure; 31. a top insulating member; 32. a middle insulating member.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific embodiments, but not limiting to the invention, and fig. 1 is a schematic cross-sectional view of an integral board-end rf connector of the present invention; fig. 2 is a schematic view of the integrated board-end rf connector of the present invention, and referring to fig. 1 to 2, an integrated board-end rf connector of a preferred embodiment is shown, which includes: an outer conductor 1, an inner conductor 2 and an insulating member 3, wherein the outer conductor 1 includes: the PCB comprises an outer conductor bottom structure 11, an outer conductor middle structure 12 and an outer conductor top structure 13, wherein the outer conductor middle structure 12 is connected with the outer conductor bottom structure 11 and the outer conductor top structure 13, the outer conductor bottom structure 11 is connected with the PCB, at least one part of the outer conductor top structure 13 is of an elastic structure, and the outer conductor middle structure 12 is of a flexible structure; in outer conductor 1 was located to inner conductor 2, inner conductor 2 included: the PCB comprises an inner conductor bottom structure 21, an inner conductor middle structure 22 and an inner conductor top structure 23, wherein the inner conductor bottom structure 21 is connected with the PCB, at least one part of the inner conductor top structure 23 is an elastic structure, and the inner conductor middle structure 22 is a flexible structure; the insulating part 3 is arranged between the outer conductor 1 and the inner conductor 2, and the insulating part 3 supports and fixes the relative positions of the outer conductor 1 and the inner conductor 2; wherein the outer conductor base structure 11 and the inner conductor base structure 21 are connected to the PCB board in a deflectable manner.
In a preferred embodiment, the outer conductor 1 is machined by a process of turning, punching and rolling or stretching an elastic copper material, and the surface is electroplated with metal with good weldability and contact resistance.
In a preferred embodiment, the outer conductor base structure 11 forms a physical structure for connection to a PCB board, preferably the outer conductor base structure 11 is a surface mount structure, and more preferably the outer conductor base structure 11 is a solder tail 6 structure.
In a preferred embodiment, the outer conductor top structure 13 is a slotted leaf spring, as shown in fig. 2.
In a preferred embodiment, the insulating member 3 comprises: a top insulating member 31 and a middle insulating member 32, the top insulating member 31 fixedly connecting the outer conductor top structure 13 and the inner conductor top structure 23, the middle insulating member 32 fixedly connecting the outer conductor middle structure 12 and the inner conductor middle structure 22.
In a preferred embodiment, the number of the insulating members 3 is plural, and the insulating members serve as electrical isolation.
In a preferred embodiment, the insulating member 3 is separately machined and assembled with the inner conductor 2; in another preferred embodiment, the insulating part 3 is directly overmolded with the inner conductor 2 in a mass production manner, further achieving cost reduction.
In a preferred embodiment, the outer conductor central structure 12 and the outer conductor central structure 12 each include: the waist drum-shaped reed 4 is used for buffering deflection torque of the PCB, and the waist drum-shaped reed 4 is of an elastic structure.
In a preferred embodiment, the waist drum-shaped spring plate 4 functions as: the upper solid part may still be deflected radially after the outer conductor base structure 11 is soldered to the PCB board, resulting in a certain amount of mechanical fit tolerance.
In a preferred embodiment, the top and middle insulation are encapsulated and injection molded with the inner conductor 2 in one shot.
The above are merely preferred embodiments of the present invention, and the embodiments and the protection scope of the present invention are not limited thereby.
The present invention also has the following embodiments in addition to the above:
in a further embodiment of the invention, the outer conductor top structure 13 and the inner conductor top structure 23 are operatively connected to another PCB board or filter.
In a further embodiment of the present invention, the outer surfaces of the inner conductor 2 and the outer conductor 1 are both plated.
In a further embodiment of the invention, the outer conductor 1 adopts a stamping and rolling process, two dovetail grooves 5 are arranged at the surrounding part of the outer conductor 1, and the two dovetail grooves 5 are riveted with the outer conductor 1.
In a further embodiment of the present invention, the inner conductor base structure 21 comprises: and the four welding feet 6 are fixedly connected with the PCB through a perforation welding process.
In a further embodiment of the present invention, the inner conductor 2 is formed by a stamping process, and the inner conductor bottom structure 21 is fixedly connected to the PCB by a surface mount soldering process.
In a preferred embodiment, the outer conductor 1 is made of a resilient metal material such as beryllium copper or phosphor bronze; the surface of the dovetail groove 5 is a ternary alloy coating, and the slotting structure at the head of the dovetail groove 5 has certain elasticity;
in a preferred embodiment, the inner conductor 2 is made of a resilient metal material such as beryllium copper or phosphor bronze.
In another preferred embodiment, the inner conductor 2 is stamped and has a gold plating on its surface.
In a preferred embodiment, the head of the inner conductor 2 is slotted and has a certain elasticity, and the inner conductor bottom structure 21 can be fixed on the PCB by a surface mount soldering process.
In a further embodiment of the invention, the central insulating member 32 is spot riveted to the outer conductor 1.
In a preferred embodiment, the middle insulating member 32 is spot-riveted to the outer conductor 1 to fix and support the inner conductor 2.
In a further embodiment of the invention, the invention has the advantages of low raw material cost, high processing efficiency, simple and easy assembly, and no installation step of the communication equipment in the production process on the intermediate adapter, and the radio frequency connection can be completed only by one piece of connector after the filter structural member is borrowed in the scheme from the plate to the filter, so that the cost is greatly reduced compared with the traditional three-piece scheme, and meanwhile, the invention can realize larger axial and radial mechanical tolerance, has excellent radio frequency performance, and improves the stability and reliability of electric connection.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention.

Claims (10)

1. An integral board end radio frequency connector, comprising:
an outer conductor, the outer conductor comprising: the PCB comprises an outer conductor bottom structure, an outer conductor middle structure and an outer conductor top structure, wherein the outer conductor middle structure is connected with the outer conductor bottom structure and the outer conductor top structure, the outer conductor bottom structure is connected with the PCB, at least one part of the outer conductor top structure is an elastic structure, and the outer conductor middle structure is a flexible structure;
an inner conductor disposed within the outer conductor, the inner conductor comprising: the PCB comprises an inner conductor bottom structure, an inner conductor middle structure and an inner conductor top structure, wherein the inner conductor bottom structure is connected with the PCB, at least one part of the inner conductor top structure is an elastic structure, and the inner conductor middle structure is a flexible structure;
the insulating component is arranged between the outer conductor and the inner conductor, and supports and fixes the relative positions of the outer conductor and the inner conductor;
wherein the outer conductor bottom structure and the inner conductor bottom structure are deflectably connected with the PCB board.
2. The one-piece board end radio frequency connector according to claim 1, wherein the insulating member comprises: the top insulating part is fixedly connected with the outer conductor top structure and the inner conductor top structure, and the middle insulating part is fixedly connected with the outer conductor middle structure and the inner conductor middle structure.
3. The one-piece board end radio frequency connector of claim 1, wherein the outer conductor middle structure and the outer conductor middle structure each comprise: and the waist drum-shaped reed is used for buffering the deflection torque of the PCB and is of an elastic structure.
4. The one-piece board end radio frequency connector of claim 2, wherein the top insulator portion and the middle insulator portion are each overmolded and are injection molded in one step with the inner conductor.
5. The one-piece board-end radio frequency connector of claim 1, wherein the outer conductor top structure and the inner conductor top structure are operably connected to another PCB board or filter.
6. The one-piece board end radio frequency connector according to claim 1, wherein the outer surfaces of the inner conductor and the outer conductor are plated.
7. The integrated plate-end radio frequency connector according to claim 1, wherein the outer conductor is formed by a stamping and rolling process, two dovetail grooves are formed in the surrounding position of the outer conductor, and the two dovetail grooves are riveted with the outer conductor.
8. The one-piece board-end radio frequency connector of claim 1, wherein the inner conductor bottom structure comprises: and the four welding feet are fixedly connected with the PCB through a perforation welding process.
9. The one-piece board end radio frequency connector according to claim 1, wherein the inner conductor is formed by a stamping process, and the bottom structure of the inner conductor is fixedly connected to the PCB by a surface mount soldering process.
10. The one-piece board end radio frequency connector according to claim 1, wherein the middle insulating member and the outer conductor are spot riveted.
CN202210565688.2A 2022-05-23 2022-05-23 Integrated board end radio frequency connector Pending CN114976793A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210565688.2A CN114976793A (en) 2022-05-23 2022-05-23 Integrated board end radio frequency connector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210565688.2A CN114976793A (en) 2022-05-23 2022-05-23 Integrated board end radio frequency connector

Publications (1)

Publication Number Publication Date
CN114976793A true CN114976793A (en) 2022-08-30

Family

ID=82985770

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210565688.2A Pending CN114976793A (en) 2022-05-23 2022-05-23 Integrated board end radio frequency connector

Country Status (1)

Country Link
CN (1) CN114976793A (en)

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