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WO2022226704A1 - 一种连接装置及射频模块 - Google Patents

一种连接装置及射频模块 Download PDF

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Publication number
WO2022226704A1
WO2022226704A1 PCT/CN2021/089707 CN2021089707W WO2022226704A1 WO 2022226704 A1 WO2022226704 A1 WO 2022226704A1 CN 2021089707 W CN2021089707 W CN 2021089707W WO 2022226704 A1 WO2022226704 A1 WO 2022226704A1
Authority
WO
WIPO (PCT)
Prior art keywords
conductor
connection
inner conductor
connection device
insulating
Prior art date
Application number
PCT/CN2021/089707
Other languages
English (en)
French (fr)
Inventor
郑伏惠
张文英
周小林
陈放
崇玉良
马圆明
Original Assignee
华为技术有限公司
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 华为技术有限公司 filed Critical 华为技术有限公司
Priority to PCT/CN2021/089707 priority Critical patent/WO2022226704A1/zh
Priority to KR1020237040404A priority patent/KR20230172593A/ko
Priority to JP2023565408A priority patent/JP2024515754A/ja
Priority to EP21938195.1A priority patent/EP4318823A4/en
Priority to CN202180084926.1A priority patent/CN116671262A/zh
Publication of WO2022226704A1 publication Critical patent/WO2022226704A1/zh
Priority to US18/493,213 priority patent/US20240055815A1/en

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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R24/00Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
    • H01R24/38Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts
    • H01R24/40Two-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
    • H01R24/50Two-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]
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R24/00Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
    • H01R24/38Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts
    • H01R24/40Two-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
    • H01R24/42Two-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 comprising impedance matching means or electrical components, e.g. filters or switches
    • H01R24/44Two-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 comprising impedance matching means or electrical components, e.g. filters or switches comprising impedance matching means
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01PWAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P1/00Auxiliary devices
    • H01P1/04Fixed joints
    • H01P1/045Coaxial joints
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/70Coupling devices
    • H01R12/7005Guiding, mounting, polarizing or locking means; Extractors
    • H01R12/7011Locking or fixing a connector to a PCB
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/70Coupling devices
    • H01R12/7076Coupling devices for connection between PCB and component, e.g. display
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/70Coupling devices
    • H01R12/91Coupling devices allowing relative movement between coupling parts, e.g. floating or self aligning
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02Contact members
    • H01R13/03Contact members characterised by the material, e.g. plating, or coating materials
    • H01R13/035Plated dielectric material
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K3/00Apparatus or processes for manufacturing printed circuits
    • H05K3/30Assembling printed circuits with electric components, e.g. with resistor
    • H05K3/32Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02Contact members
    • H01R13/03Contact members characterised by the material, e.g. plating, or coating materials
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02Contact members
    • H01R13/22Contacts for co-operating by abutting
    • H01R13/24Contacts for co-operating by abutting resilient; resiliently-mounted
    • H01R13/2407Contacts for co-operating by abutting resilient; resiliently-mounted characterized by the resilient means
    • H01R13/2414Contacts for co-operating by abutting resilient; resiliently-mounted characterized by the resilient means conductive elastomers
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R2103/00Two poles
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R24/00Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
    • H01R24/38Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts
    • H01R24/40Two-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
    • H01R24/52Two-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 in or to a panel or structure
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R43/00Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
    • H01R43/007Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for elastomeric connecting elements

Definitions

  • the present application relates to the field of communications, and in particular, to a connection device and a radio frequency module.
  • a wireless base station includes multiple devices such as transceivers, filters, and antennas, and different devices are connected through a connection device, such as a radio frequency connector.
  • connection device can perform the connection between printed circuit boards (board-to-board) or the connection between printed circuit boards and devices such as filters.
  • FIG. 1 and FIG. 2 are respectively schematic structural diagrams of two different connection devices in the prior art for realizing board-to-board connection.
  • the connection device may include an inner conductor assembly: an elastic contact pin 1 and an inner core 2 .
  • the connecting device may include an insertion end 10 , a connecting rod 20 and an introduction end 30 .
  • the insertion end 10 is welded on the circuit board 40
  • the lead-in end 30 is welded on another circuit board 40 .
  • connection devices are relatively complex and the cost is relatively high, and in order to ensure that the connection between the device and the connection device is not interrupted in the presence of external vibration, that is, to ensure high reliability of signal transmission between the devices, the above Both connection devices have a certain stacking height (stacking height) requirement, so they cannot meet the usage requirements of low-height scenarios.
  • connection device and a radio frequency module, which can simultaneously meet the usage requirements of low cost, low configuration and high reliability, and the like.
  • connection device in a first aspect, includes a conductor assembly and a fixing structure, the fixing structure is used for fixing the conductor assembly;
  • the conductor assembly includes an outer conductor, an inner conductor and an insulating elastomer, wherein, The inner conductor covers the surface of the insulating elastomer, and the outer conductor and the inner conductor are electrically insulated.
  • the inner conductor is combined with the insulating elastomer to form the connecting end, and the resilience of the insulating elastomer is used to ensure the high reliability of the connecting end when it is used for connection;
  • the insulating elastomer can meet the requirements of small size, that is, the requirement of low configuration and high height; in addition, the connection device has a simple structure and low manufacturing cost, which can meet the low cost requirement. .
  • the insulating elastomer is an annular structure; the inner conductor covers the inner surface of the insulating elastomer.
  • This application proposes a structure in which the inner surface of an insulating elastomer is covered with an inner conductor.
  • the structure is simple. Therefore, when preparing the structure, a simple preparation method can be used, such as passing the inner conductor and the constituent materials of the insulating elastomer simultaneously through the The preparation method of extrusion molding and cutting is easy to prepare and has low preparation cost.
  • the inner conductor further covers an end surface of the insulating elastomer.
  • the outer conductor covers an outer surface of the insulating elastomer.
  • the present application proposes a structure in which the outer surface of the insulating elastomer is covered with an outer conductor.
  • the structure is simple. Therefore, when preparing the structure, a simple preparation method can be adopted, for example, the constituent materials of the outer conductor and the insulating elastomer are simultaneously passed through The preparation method of extrusion molding and cutting is easy to prepare and has low preparation cost.
  • the outer conductor also covers an end surface of the insulating elastomer.
  • the inner conductor further covers the outer surface of the insulating elastomer; the outer conductor is provided with a through hole, the inner conductor, the insulating elastomer and the fixing column is arranged in the through hole.
  • the present application proposes a structure in which the outer surface of the insulating elastomer is covered with an inner conductor.
  • the structure is simple. Therefore, when preparing the structure, a simple preparation method can be adopted, for example, the constituent materials of the inner conductor and the insulating elastomer are simultaneously passed through The preparation method of extrusion molding and cutting is easy to prepare and has low preparation cost. And by arranging the inner conductor, the insulating elastic body and the fixing post in the through hole of the outer conductor with the through hole, when the connecting device is connected to the device, the outer conductor can play the role of shielding isolation and impedance matching, so as to improve the connection between the devices. Reliability of signal transmission.
  • the outer conductor can be used as a structural member to fix the devices when connecting the devices, to ensure the stability of the connection between the devices, and to play the roles of shielding isolation and impedance matching at the same time.
  • the fixing structure is a fixing column, and a plug-connecting structure is formed between the fixing column and the conductor assembly.
  • a plug-in structure is arranged between the fixed column and the conductor assembly, which is simple in structure, convenient for the fixed column to fix and locate the conductor assembly, and further improves when the fixed column and the conductor assembly are in an interference fit.
  • the stability of the connection between the fixed post and the conductor assembly is simple in structure, convenient for the fixed column to fix and locate the conductor assembly, and further improves when the fixed column and the conductor assembly are in an interference fit.
  • the fixing structure is provided with a through hole, and the conductor component is arranged in the through hole.
  • the fixing structure is provided with a through hole, so that it can be used as a structural member.
  • the fixing structure can not only fix and locate the conductor assembly, but also fix the device, so as to ensure the stability of the connection between the devices.
  • the connecting device is simple in structure, easy to prepare and low in cost.
  • one end of the insulating elastomer is arc-shaped; the inner conductor covers the outer surface of the arc-shaped end of the insulating elastomer; the outer conductor A through hole is provided, and the inner conductor, the insulating elastic body and the fixing post are arranged in the through hole.
  • the resilience of the connecting end can be reduced to avoid deformation of the connected structure due to the resilience force.
  • the other end of the insulating elastic body is provided with a hole;
  • the fixing structure is a columnar stepped structure;
  • the connection between the fixing structure and the insulating elastic body is A plug-in structure is formed between the holes and the cylindrical stepped structure.
  • the fixing structure By setting the fixing structure as a columnar stepped structure, when the height of the connecting device needs to be adjusted, the height of the fixing structure can be adjusted without adjusting the height of the insulating elastic body and the inner conductor.
  • the structure is arranged as a columnar stepped structure, so that the height of the connecting device is easy to adjust.
  • the insulating elastomer includes: silicone rubber; or, butadiene rubber; or, fluorosilicone rubber.
  • the inner conductor or the outer conductor comprises: silver paste; or, tin; or, silver; or, copper; or, nickel; or, an alloy.
  • a radio frequency module including at least one device and the connection device according to at least one of the implementation manners of the first aspect; the device is provided with an interface, and the interface includes an inner conductor connection surface and an outer conductor connection surface. A conductor connection surface and an insulating area, the insulating area insulates the inner conductor connection surface and the outer conductor connection surface; one end of the inner conductor of the connection device is connected to the inner conductor connection surface, and the outer conductor of the connection device is connected. One end of the conductor is connected to the outer conductor connection surface.
  • the device includes a circuit board, or a filter.
  • connection device 1 is a schematic structural diagram of a connection device in the prior art for realizing board-to-board connection
  • connection device 2 is a schematic structural diagram of another connection device in the prior art for realizing board-to-board connection
  • FIG. 3 is a top view of a device interface provided by an embodiment of the present application.
  • FIG. 4 is a schematic structural diagram of a specific example of a radio frequency module provided by an embodiment of the present application.
  • connection device 5 is a schematic structural diagram of a specific example of a connection device provided by an embodiment of the present application.
  • FIG. 6 is a schematic structural diagram of a specific example of a radio frequency module provided by an embodiment of the present application.
  • connection device 7 is a schematic structural diagram of a specific example of a connection device provided by an embodiment of the present application.
  • FIG. 8 is a schematic structural diagram of a specific example of a radio frequency module provided by an embodiment of the present application.
  • connection device 9 is a schematic structural diagram of a specific example of a connection device provided by an embodiment of the present application.
  • FIG. 10 is a schematic structural diagram of a specific example of a radio frequency module provided by an embodiment of the present application.
  • FIG. 11 is a schematic structural diagram of a specific example of a connection device provided by an embodiment of the present application.
  • connection device In order to facilitate those skilled in the art to understand the technical solutions of the present application, the following first introduces the usage scenarios of the connection device.
  • connection device sometimes also referred to as an inter-board connection device or an inter-board connector, is mainly used for the interconnection between circuit boards, filters, antennas and other devices that need to be connected.
  • a radio frequency connector is a common connection device used to realize the connection between radio frequency devices.
  • PCB printed circuit boards
  • the two connected circuit boards are usually arranged in parallel and spaced apart from each other, that is, the connection device can be It is connected between two parallel circuit boards, so as to realize the electrical connection between the circuit boards.
  • the circuit board has electrical connection points such as the first signal terminal and the second signal terminal, that is, the interface, so the connection device can realize the communication between the first signal terminal of the two circuit boards, and the second signal terminal of the two circuit boards.
  • the connection between the signal terminals, that is, an effective path is formed between the two circuit boards.
  • the connection device can be used to realize the connection and communication of devices such as circuit boards and filters, or can also be used to realize the connection and communication of devices such as antennas and filters, or can also be used to realize filters and filters, etc. device connection and connectivity.
  • electrical connections include all connection means that connect different conductive structures.
  • the present application provides a low-cost, low-profile, high-reliability connection device.
  • connection device provided by the present application includes a conductor assembly and a fixing structure, and the fixing structure is used for fixing the conductor assembly.
  • the connecting device may be disposed between the devices to connect the two devices, so as to realize electrical connection and signal transmission between the devices.
  • the devices may include radio frequency devices, such as PCB boards, filters, and other radio frequency devices that need to be connected, which are not limited in this application.
  • a radio frequency module may include at least one radio frequency device, and a connection device connected to the device.
  • the fixing structure can be fixedly connected with the device and connected with part or all of the structures in the conductor assembly, so as to realize the fixing and positioning of the conductor assembly.
  • the fixed structure can also be used for auxiliary conductor assemblies to play the role of electrical connection and signal transmission.
  • the fixed connection method between the fixed structure and the device may include welding, pressure riveting or injection molding, etc., which is not limited in this application.
  • the fixed structure and some or all of the structures in the conductor assembly may be a detachable structure with an interference fit, so that the corresponding structures in the conductor assembly can be prevented from falling off.
  • the fixing structure can be made of insulating material or conductive dielectric material.
  • the fixed structure can be used for auxiliary conductor components to realize electrical connection and signal transmission between devices.
  • the fixing structure may have various shapes, such as a column shape, a cylindrical shape, a ring shape, etc., which is not limited in this application.
  • the fixing structure when the fixing structure is a columnar structure, the fixing structure can be connected with a part of the through-hole structure in the conductor assembly to fix the part of the through-hole structure; when the fixing structure is a cylindrical or annular structure, that is, the fixing structure can be set Through holes, some or all of the structures in the conductor assembly can be arranged in the through holes of the fixed structure.
  • the conductor assembly includes an outer conductor, an inner conductor and an insulating elastomer.
  • the inner conductor is made of a conductive dielectric material, covering the surface of the insulating elastomer, and plays the role of signal transmission;
  • the outer conductor is also made of a conductive dielectric material, and is surrounded on the outside of the inner conductor, or in other words, arranged inside the inner conductor.
  • the outer side of the conductor is electrically insulated from the inner conductor, that is, there is a gap between the outer conductor and the inner conductor, and the outer conductor plays the role of shielding isolation and impedance matching;
  • the insulating elastomer is made of electrically insulating non-metallic elastic materials, with good For example, when the compression amount of the insulating elastomer is 20%, the compression set after long-term aging is less than 15% of the insulating elastomer, so as to avoid long-term use without rebound and ensure good recovery. elasticity.
  • the structural parameters of the inner conductor and/or the outer conductor may be adjusted, or the distance between the inner conductor and the outer conductor may be adjusted to achieve different differences between the inner conductor and the outer conductor. Impedance matching.
  • the conductive medium material for preparing the inner conductor or the outer conductor can be any one or more of the following: silver paste, silver, tin, copper, nickel, alloy, which is not limited in this application.
  • the non-metal elastic material for preparing the insulating elastomer can be any one or more of the following: silicone rubber, nitrile rubber, fluorosilicone rubber, which is not limited in this application.
  • the insulating elastomer may be a solid structure, and the surface of the solid structure may be a plane or an arc, for example, a sphere, an ellipsoid, a cylinder, a cube, a three-dimensional structure with an irregular shape, etc. etc.; or the insulating elastomer can be a three-dimensional structure provided with through holes, blind holes, etc., for example, the insulating elastomer is a ring structure, it should be understood that the ring structure can be circular, square, triangular, or irregular. The shape, etc., is not limited in this application.
  • the insulating elastomer can be an arched structure, an inverted U-shaped structure, a cap, etc., which is not limited in this application.
  • the inner conductor covering the surface of the insulating elastomer includes: the inner conductor covering part or all of the surface of the insulating elastomer, which is not limited in the present application.
  • the conductive dielectric material of the inner conductor can be selected from materials with good electrical properties and easy to combine with insulating elastomers, such as various metal plating layers such as silver paste.
  • the thickness of the inner conductor considering the influence of the skin effect of the high frequency signal, the thickness of the inner conductor can be larger than the requirement of the skin depth.
  • the conductive medium material of the inner conductor is silver paste, and the signal frequency transmitted by the inner conductor is 2.6 GHz, the thickness of the silver paste can be about 20 ⁇ m-25 ⁇ m.
  • the connecting end is formed by combining the inner conductor with the insulating elastomer.
  • the connecting end will be deformed and have good resilience after being pressed, which ensures the high reliability of the connecting end when it is used for connection.
  • the connection device when the connection device is used to connect devices, the assembly tolerance between devices, the unevenness and roughness of the device surface, etc. will not affect the normal connection and signal transmission between the inner conductor and the device, that is, the high reliability of the connection is guaranteed.
  • the insulating elastomer can still maintain good resilience even when the size is small, it can meet the requirements of small size and realize low-profile and high-profile connections.
  • the connection device has a simple structure, is easy to manufacture, and has a low manufacturing cost, which can meet the requirement of low cost.
  • the connecting device further includes a structural member, which can be fixed to the device by a fastener, that is, the structural member is used to fix the above-mentioned device, thereby ensuring the stability of the connection between the devices.
  • the structural member may be other structures different from the conductor assembly and the fixing structure; or the structural member may be a part of the conductor assembly, such as an outer conductor, that is, the outer conductor plays the roles of fixing, shielding isolation and impedance matching at the same time ; or the structural member is a fixed structure, that is, the fixed structure plays the role of fixing the conductor assembly and the device at the same time.
  • the manner in which the inner conductor and/or the outer conductor covers the surface of the insulating elastomer may be at least one of the following: extrusion molding, electroplating, coating, sputtering, vapor deposition, and pad printing, which is not limited in this application.
  • connection device provided by the present application will be introduced by taking the connection device for connecting two PCB boards arranged in parallel as an example.
  • FIG. 3 is a top view of an interface on a PCB, where the interface is used for electrical connection between the PCB and the connecting device. As shown in FIG. 3 , it includes an outer conductor connection surface 301 , an insulating region 302 and an inner conductor connection surface 303 .
  • connection in order to ensure the reliability of the connection between the interface and the connection device, in various scenarios, such as vibration, the size setting of the outer conductor connection surface and the inner conductor connection surface in the interface needs to be able to ensure the electrical connection of the structure corresponding to the connection device.
  • the connection is not interrupted.
  • the part of the inner conductor included in the connection device that is in contact with the connection surface of the inner conductor of the interface is circular, which is referred to as the inner conductor contact part for short
  • the part of the outer conductor included in the connection device that is in contact with the connection surface of the outer conductor of the interface is circular Ring shape, this part is referred to as the outer conductor contact part for short
  • the diameter of the inner conductor connection surface 303 can be larger than that of the circular inner conductor contact part
  • the inner diameter of the outer conductor connection surface 301 may be smaller than the inner diameter of the annular outer conductor contact portion, so as to ensure that the connection between the interface and the connection device is not interrupted.
  • Fig. 3 may also exist on components connected by other connecting devices such as filters, which are not limited in this application.
  • FIG. 4 shows a schematic structural diagram of a specific example of a radio frequency module provided by the present application.
  • the radio frequency module includes a connection device and upper and lower components 41, 42, wherein the connection device includes a conductor assembly 44 and a fixing column 45, and optionally, the connection device may also include structural components 43.
  • FIG. 5 shows a schematic structural diagram of a specific example of a connection device provided by the present application.
  • the connecting device includes a conductor assembly 51 and a fixing column 53 , and optionally, the connecting device may further include a structural member 52 .
  • the structural member 52 can be a circular cylindrical structure, and can be connected with the upper and lower parts 41 and 42 in FIG. 4 by fasteners, such as screws, bolts, studs, rivets, etc. It is sufficient to connect and fix components to components, which is not limited in this application.
  • the fixing column 53 can be a cylindrical structure, and can be fixedly connected with the device 42 in FIG. 4 to fix and position the conductor assembly 51 .
  • the fixed connection method between the fixed column and the device includes welding, pressure riveting, injection molding, etc., which is not limited in this application.
  • the fixing column 53 is disposed coaxially with the conductor assembly 51 and is a plug-in structure.
  • the fixing post and the conductor assembly may be an interference fit, that is, the diameter of the fixing post 53 is larger than the inner diameter of the conductor assembly 51 , thereby preventing the conductor assembly 51 from falling off.
  • the conductor assembly 51 is a circular cylindrical structure, including an insulating elastomer 511 , an inner conductor 512 and an outer conductor 513 .
  • the insulating elastic body 511 has a circular cylindrical structure, and the inner conductor 512 and the outer conductor 513 respectively cover the inner and outer surfaces of the insulating elastic body 511 , or in other words, cover the inner and outer surfaces of the insulating elastic body 511 respectively.
  • the conductor assembly 51 When the conductor assembly is used to connect devices, for example, when the conductor assembly 51 is connected to the interface shown in FIG. 3 , one end of the inner conductor 512 of the conductor assembly 51 is in contact with the inner conductor connecting surface 303 of the interface to realize electrical connection, and the outer One end of the conductor 513 is in contact with the outer conductor connection surface 301 of the interface to achieve electrical connection, and the inner and outer conductors are electrically insulated by an insulating elastomer. At this time, the conductor assembly 51 can realize the electrical connection and signal transmission between the devices, that is, Realize electrical connection and signal transmission between PCB boards.
  • one end of the inner conductor 512 can be in contact with the inner conductor connecting surface 303 of the interface by pressing and abutting
  • one end of the outer conductor 513 can be in contact with the outer conductor connecting surface 301 of the interface by pressing and abutting. catch.
  • the outer diameter of one end of the inner conductor 512 of the conductor assembly 51 can be set to be smaller than the diameter of the inner conductor connecting surface 303 , and the outer diameter of the outer conductor 513 The inner diameter of one end is larger than the inner diameter of the outer conductor connecting surface 301 .
  • a possible implementation method is: first, the non-metallic elastic material and the conductive medium layer are extruded together; then cut to obtain a circular cylindrical structure with a certain length, for example, the length is 2mm
  • the inner and outer surfaces of the circular cylindrical structure are covered with conductive medium layers respectively, wherein the conductive medium layer on the inner surface is the inner conductor, and the conductive medium layer on the outer surface is the outer conductor.
  • the end surface of the conductor assembly 51 shown above can also be covered with a conductive medium layer, so that the inner and outer conductors of the conductor assembly are in full contact with the connection surfaces of the inner and outer conductors of the upper and lower devices, thereby improving the conductor performance.
  • the component realizes the reliability of signal transmission between the upper and lower devices.
  • Fig. 6 shows a schematic structural diagram of another specific example of a radio frequency module provided by the present application
  • Fig. 7 shows a structural schematic diagram of another specific example of a connection device provided by the present application.
  • FIG. 6 the partial structure of the radio frequency module shown in FIG. 6 is the same as that of FIG. 4
  • the partial structure of the connection device shown in FIG. 7 is the same as that of FIG. 5 . Therefore, the structures of FIGS. 6 and 7 can be 4 and 5 are respectively referred to, and details are not repeated here.
  • the radio frequency module includes a connecting device and upper and lower components 61 and 62 , wherein the connecting device includes a conductor assembly 64 and a fixing column 65 .
  • the connecting device may also include structural components. 63.
  • FIG. 7 shows a schematic structural diagram of a specific example of a connection device provided by the present application.
  • the connecting device includes a conductor assembly 71 and a fixing column 73 , and optionally, the connecting device may further include a structural member 72 .
  • the conductor assembly 71 in FIG. 7 is covered with a conductive medium on its end faces.
  • the conductor assembly 71 is a circular cylindrical structure, including an insulating elastomer 711 , inner conductors 712 , 714 , and outer conductors 713 , 715 .
  • the insulating elastic body 711 has a circular cylindrical structure, and the inner conductor and the outer conductor cover the surface of the insulating elastic body.
  • the inner conductor includes the inner conductor 714 on the inner surface and the inner conductor 712 on the end face, and the two are electrically connected;
  • the outer conductor includes the outer conductor 715 on the outer surface and the outer conductor 713 on the end face, and the two are also electrically connected;
  • the conductor assembly 71 When the conductor assembly is used to connect devices, for example, when the conductor assembly 71 is connected to the interface shown in FIG. 3 , the inner conductor 712 of the end face of the conductor assembly 71 is in contact with the inner conductor connecting surface 303 of the interface to realize electrical connection, and the end face is outside The conductor 713 is in contact with the outer conductor connection surface 301 of the interface to realize electrical connection. At this time, the conductor assembly 71 can realize the electrical connection and signal transmission between the devices, that is, realize the electrical connection and signal transmission of the PCB board.
  • the inner conductor 712 on the end face can be in contact with the inner conductor connection surface 303 of the interface by pressing and abutting, and the outer conductor 713 on the end face can be in contact with the connecting surface 301 of the outer conductor by pressing and abutting.
  • the outer diameter of the inner conductor 712 on the end face of the conductor assembly 71 can be set to be smaller than the diameter of the inner conductor connection surface 303 of the interface, and the conductor assembly 71
  • the inner diameter of the end face outer conductor 713 is larger than the inner diameter of the outer conductor connecting surface 301 of the interface.
  • a possible implementation method is: first, the non-metallic elastic material and the conductive medium layer are extruded together; then cut to obtain a circular cylindrical structure with a certain length, for example, the length is 2mm.
  • the left and right annular cylindrical structures, at this time, the inner and outer surfaces of the annular cylindrical structure are covered with conductive medium layers, wherein the conductive medium layer on the inner surface belongs to the inner conductor, and the conductive medium layer on the outer surface belongs to the outer conductor; finally, The two ends of the structure are coated or printed with silver paste and baked to obtain inner conductors and outer conductors.
  • FIG. 8 shows a schematic structural diagram of another specific example of a radio frequency module provided in the present application.
  • the radio frequency module includes a connection device and upper and lower components 81 and 82 , wherein the connection device includes conductor assemblies 83 and 84 and a fixing column 85 .
  • the conductor assembly specifically includes an outer conductor 83 and an inner conductor member 84 composed of an inner conductor and an insulating elastomer.
  • the outer conductor 83 may also be called a structural member, that is, the outer conductor 83 may not only function as a In addition to shielding isolation and impedance matching, it can also be used to fix the upper and lower components 81 and 82 .
  • the outer conductor 83 has a circular cylindrical structure.
  • there is a certain distance between the outer conductor and the inner guide member 84 that is, the outer conductor and the inner guide member are not in contact, so as to ensure the connection between the inner and outer conductors. Electrical insulation.
  • outer conductor 83 and the upper and lower devices 81, 82 are connected by fasteners, such as screws, bolts, studs, rivets and other fasteners, that is, as long as the outer conductor and the device can be connected and fixed, this application does not This is not limited.
  • FIG. 9 shows a schematic structural diagram of a specific example of a connection device provided by the present application.
  • connection device includes conductor assemblies 91, 92 and a fixing column 93, wherein the conductor assembly includes an outer conductor 92 and an inner conductor and a fixed column 93.
  • the inner guide member 91 made of insulating elastomer.
  • conductor assemblies 91 and 92 are respectively the same as the conductor assemblies 84 and 83 in FIG. 8 , and reference may be made to the relevant description in FIG. 8 for the description thereof.
  • the fixing column 93 is a cylindrical structure, which can be fixedly connected with the device 82 in FIG. 8 to fix and position the inner guide member 91 .
  • the fixed connection method between the fixed column and the device includes welding, pressure riveting, injection molding, etc., which is not limited in this application.
  • the fixing column 93 is disposed coaxially with the inner guide member 91, and is a plug-in structure.
  • the diameter of the fixing column 93 is larger than the inner diameter of the inner guide member 91 .
  • the inner guide member 91 is a circular cylindrical structure, including an insulating elastomer 911 and inner conductors 912 , 913 , and 914 .
  • the insulating elastomer 911 has a circular cylindrical structure, and the inner conductors 912, 913, and 914 cover the end surface, inner surface, and outer surface of the insulating elastomer, respectively, that is, the inner conductor completely wraps the insulating elastomer.
  • the conductor assembly When the conductor assembly is used to connect devices, for example, when the outer conductor 92 and the inner conductor part 91 are connected to the interface described in FIG. 3 , the inner conductor 912 included in the inner conductor part 91 is in contact with the inner conductor connection surface 303 of the interface, thereby realizing For electrical connection, one end of the outer conductor 92 is in contact with the outer conductor connection surface 301 of the interface to achieve electrical connection. At this time, the conductor assembly can realize electrical connection and signal transmission between devices, that is, realize electrical connection and signal transmission between PCB boards.
  • the contact mode of the inner conductor 912 and the inner conductor connection surface 303 may be pressing and abutting, and the contact mode of the outer conductor 92 and the outer conductor connecting surface 301 may be pressing and abutting by a fastener.
  • the outer diameter of the inner conductor 912 can be set smaller than the diameter of the inner conductor connecting surface 303, and the inner diameter of one end of the outer conductor 92 is larger than the outer diameter of the outer conductor 92.
  • the inner diameter of the conductor connection surface 301 is provided.
  • a possible implementation method is: first, the non-metallic elastic material and the conductive medium layer are extruded together; then cut to obtain a circular cylindrical structure with a certain length, for example, the length is 2mm circular cylindrical structure, at this time, the inner and outer surfaces of the circular cylindrical structure are covered with conductive medium layers, which are all inner conductors; finally, silver paste is coated or printed on both ends of the structure And baking, the inner conductor of the end surface can be obtained.
  • FIG. 10 shows a schematic structural diagram of another specific example of a radio frequency module provided by the present application.
  • the radio frequency module includes a connection device and upper and lower components 101 and 102 , wherein the connection device includes conductor assemblies 103 and 104 and a fixing column 105 .
  • the conductor assembly specifically includes an outer conductor 103 and an inner conductor part 104 composed of an inner conductor and an insulating elastomer. In addition to the impedance matching function, it can also be used to fix the upper and lower components 101 and 102 .
  • the outer conductor 103 has a circular cylindrical structure. As a structural member, there is a certain distance between the outer conductor and the inner conductor member 104, that is, the outer conductor and the inner conductor member are not in contact, so as to ensure the connection between the inner and outer conductors. Electrical insulation.
  • the outer conductor 103 is connected with the upper and lower devices 101 and 102 by fasteners, such as screws, bolts, studs, rivets and other fasteners, that is, as long as the outer conductor and the device can be connected and fixed, the present application This is not limited.
  • FIG. 11 shows a schematic structural diagram of a specific example of the connection device provided by the application.
  • the connecting device includes conductor assemblies 111, 112 and a fixing post 113, wherein the conductor assembly includes an outer conductor 112 and an inner conductor and a fixed column 113.
  • the inner guide member 111 made of insulating elastomer.
  • conductor assemblies 111 and 112 are respectively the same as the conductor assemblies 104 and 103 in FIG. 10 , and reference may be made to the relevant description in FIG. 10 for the description thereof.
  • the fixing column 113 is a cylindrical stepped structure, which can be fixedly connected with the device 102 in FIG. 10 to fix and position the inner guide member 111 .
  • the connection between the fixing column and the device includes welding, riveting, injection molding, etc., which is not limited in this application.
  • the fixing column 113 is disposed coaxially with the inner guide member 111 and is a plug-in structure. In order to prevent the inner guide member 111 from falling off, there is an interference fit between the fixing column and the inner guide member, that is, the diameter of the upper structure of the fixing column 113 is larger than the diameter of the hole of the inner guide member 111 .
  • the inner guide member 111 is an arched columnar structure, including an insulating elastomer 1111 and an inner conductor 1112 .
  • the insulating elastic body 1111 is an arched columnar structure with a hole at one end, and the inner conductor 1112 covers the outer surface of the insulating elastic body 1111 .
  • the inner conductor 1112 may also cover the inner surface of the insulating elastomer 1111 .
  • the rebound force of the inner guide member caused by compression can be reduced, so that when the inner guide member is used to connect a device, the deformation of the part in contact with the inner guide member on the device can be reduced.
  • the inner conductor and 1112 are connected to the fixing post 113.
  • the fixing post 113 can use a conductive medium, so that the fixing post can not only play the role of fixing and positioning, but also play an electrical connection. and signal transmission.
  • the fixed column adopts a stepped shape, which can easily adjust the height. For example, when the distance between the devices needs to be adjusted, it is not necessary to adjust the height of the inner guide member, and the change of the distance between the devices can be accommodated by adjusting the height of the fixing column.
  • the conductor assembly When the conductor assembly is used to connect devices, for example, when the outer conductor 112 and the inner conductor part 111 are connected to the interface described in FIG. 3 , the inner conductor 1112 included in the inner conductor part 111 is in contact with the inner conductor connection surface 303 of the interface, thereby realizing For electrical connection, one end of the outer conductor 112 is in contact with the outer conductor connection surface 301 of the interface to realize electrical connection. At this time, the conductor assembly can realize the electrical connection and signal transmission between devices, that is, realize the electrical connection and signal transmission between PCB boards.
  • the contact mode of the inner conductor 1112 and the inner conductor connection surface 303 may be pressing and abutting, and the contact mode of the outer conductor 112 and the outer conductor connecting surface 301 may be pressing and abutting by a fastener.
  • the outer diameter of the inner conductor 1112 in the top view (b) of FIG. 11 can be set to be smaller than the diameter of the inner conductor connection surface 303,
  • the inner diameter of one end of the conductor 112 is larger than the inner diameter of the outer conductor connecting surface 301 .
  • a possible implementation method is: firstly, a non-metal elastic material is molded into an insulating elastomer with an arched structure; A conductive medium layer is added to the outer surface of the body, and the conductive medium layer is the inner conductor.
  • the example of the radio frequency module in the drawings of this application includes two devices connected to the connection device, but this application does not limit that the radio frequency module must include two devices connected to the connection device.
  • the number of devices connected to the connecting device may also be one or more.
  • the disclosed system, apparatus and method may be implemented in other manners.
  • the apparatus embodiments described above are only illustrative.
  • the division of the units is only a logical function division. In actual implementation, there may be other division methods.
  • multiple units or components may be combined or Can be integrated into another system, or some features can be ignored, or not implemented.
  • the shown or discussed mutual coupling or direct coupling or communication connection may be through some interfaces, indirect coupling or communication connection of devices or units, and may be in electrical or other forms.

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Waveguide Connection Structure (AREA)
  • Multi-Conductor Connections (AREA)
  • Structure Of Printed Boards (AREA)

Abstract

本申请提供了一种连接装置及射频模块,能够同时满足低成本、低配高、高可靠等使用要求。具体地,该连接装置包括导体组件和固定结构,该固定结构用于固定导体组件;该导体组件包括外导体,内导体和绝缘弹性体,其中,内导体覆盖所述绝缘弹性体的表面,外导体和内导体之间电气绝缘。

Description

一种连接装置及射频模块 技术领域
本申请涉及通信领域,尤其涉及一种连接装置及射频模块。
背景技术
随着无线通信技术的发展,无线基站的小型化、集成化和模块化已成为无线基站发展的主要方向。通常,无线基站包括收发信机、滤波器、天线等多个器件,不同的器件间通过连接装置,例如射频连接器,实现连接。
目前,根据器件间连接场景的不同,连接装置可以执行印制电路板之间(板到板)的连接或印制电路板到滤波器等器件间的连接等。以板到板的连接为例,图1和图2分别是现有技术中两种不同的连接装置实现板到板连接的结构示意图。如图1所示,连接装置可以包括内导体组件:弹性触针1和内芯2。其中,弹性触针1的一端通过抵接的方式与电路板3相连,弹性触针1的另一端与内芯2的一端相连,而内芯2的另一端与电路板3相连,因此弹性触针1可以和内芯2一起,在两个电路板3之间形成通路,实现两个电路板3之间的信号传输。如图2所示,连接装置可以包括插入端10、连接杆20和导入端30。其中,插入端10焊接在电路板40上,而导入端30焊接在另一块电路板40上。
然而,上述两种连接装置的结构相对复杂、成本较高,并且为了保证在存在外界振动的场景下,器件与连接装置间的连接不中断,即保证器件间信号传输的高可靠性,对上述两种连接装置均有一定的配合高度(stacking height,配高)的要求,从而无法满足低配高场景使用要求。
发明内容
本申请提供一种连接装置及射频模块,能够同时满足低成本、低配高、高可靠等使用要求。
第一方面,提供了一种连接装置,该连接装置包括导体组件和固定结构,所述固定结构用于固定所述导体组件;所述导体组件包括外导体,内导体和绝缘弹性体,其中,所述内导体覆盖所述绝缘弹性体的表面,所述外导体和所述内导体之间电气绝缘。
通过本申请提供的连接装置,将内导体与绝缘弹性体相结合,形成连接端,利用绝缘弹性体的回弹性,保证了连接端用于连接时的高可靠性;并且由于该绝缘弹性体在尺寸较小时仍能保持较好的回弹性,因此,该绝缘弹性体可以满足较小尺寸要求,即低配高要求;此外,该连接装置结构简单,制备成本较低,即可以满足低成本要求。
结合第一方面,在第一方面的某些实现方式中,所述绝缘弹性体为环状结构;所述内导体覆盖所述绝缘弹性体的内表面。
本申请提出了一种绝缘弹性体的内表面覆盖有内导体的结构,该结构简单,因此在制备该结构时,可以采用简单的制备方式,例如将内导体和绝缘弹性体的构成材料同时通过 挤出成型和切割的制备方式,易于制备,制备成本较低。
结合第一方面,在第一方面的某些实现方式中,所述内导体还覆盖所述绝缘弹性体的端表面。
通过在绝缘弹性体的端表面覆盖有内导体,形成连接端,能够使得该连接端用于连接器件时,保证与器件的充分接触,并进一步提高器件间信号传输的可靠性。
结合第一方面,在第一方面的某些实现方式中,所述外导体覆盖所述绝缘弹性体的外表面。
本申请提出了一种绝缘弹性体的外表面覆盖有外导体的结构,该结构简单,因此在制备该结构时,可以采用简单的制备方式,例如将外导体和绝缘弹性体的构成材料同时通过挤出成型和切割的制备方式,易于制备,制备成本较低。
结合第一方面,在第一方面的某些实现方式中,所述外导体还覆盖所述绝缘弹性体的端表面。
通过在绝缘弹性体的端表面覆盖有外导体,形成连接端,能够使得该连接端用于连接器件时,保证与器件的充分接触,并进一步提高器件间信号传输的可靠性。
结合第一方面,在第一方面的某些实现方式中,所述内导体还覆盖所述绝缘弹性体的外表面;所述外导体设置有通孔,所述内导体,所述绝缘弹性体和所述固定柱设置于所述通孔内。
本申请提出了一种绝缘弹性体的外表面覆盖有内导体的结构,该结构简单,因此在制备该结构时,可以采用简单的制备方式,例如将内导体和绝缘弹性体的构成材料同时通过挤出成型和切割的制备方式,易于制备,制备成本较低。并且通过将内导体、绝缘弹性体和固定柱设置于有通孔的外导体的通孔内,使得该连接装置在连接器件时,外导体可以起到屏蔽隔离和阻抗匹配的作用,提高器件间信号传输的可靠性。此外,该外导体可以作为结构件,在连接器件时,用于固定器件,保证器件间连接的稳定性,并同时起到屏蔽隔离和阻抗匹配作用。
结合第一方面,在第一方面的某些实现方式中,所述固定结构为固定柱;所述固定柱与所述导体组件之间为插接结构。
本申请通过将固定柱与导体组件之间设置为插接结构,该结构简单,便于固定柱固定和定位导体组件,并且在固定柱与导体组件为过盈配合(interference fit)时,进一步的提高固定柱与导体组件间连接的稳定性。
结合第一方面,在第一方面的某些实现方式中,所述固定结构设置有通孔,所述导体组件设置于所述通孔内。
通过固定结构设置有通孔,从而可以用作结构件,在该连接装置连接器件时,使得固定结构可以在固定和定位导体组件的同时,也用于固定器件,保证器件间连接的稳定性,并且使得该连接装置结构简单,易于制备,成本较低。
结合第一方面,在第一方面的某些实现方式中,所述绝缘弹性体的一端呈弧形;所述内导体覆盖所述绝缘弹性体呈弧形的一端的外表面;所述外导体设置有通孔,所述内导体,所述绝缘弹性体和所述固定柱设置于所述通孔内。
通过将绝缘弹性体的一端设置为弧形,从而能够在该呈弧形的一端受到挤压时,降低该连接端的回弹力,避免被连接的结构因回弹力造成形变。
结合第一方面,在第一方面的某些实现方式中,所述绝缘弹性体的另一端设置有孔;所述固定结构为柱形台阶状结构;所述固定结构与所述绝缘弹性体之间通过所述孔和所述柱形台阶状结构形成插接结构。
通过将固定结构设置为柱形台阶状结构,在需要调整连接装置的配高时,调整该固定结构的高度即可,而不需要调整绝缘弹性体和内导体等结构的高度,因此,将固定结构设置为柱形台阶状结构,使得该连接装置的配高易于调整。
结合第一方面,在第一方面的某些实现方式中,所述绝缘弹性体包括:硅橡胶;或,丁晴橡胶;或,氟硅橡胶。
结合第一方面,在第一方面的某些实现方式中,所述内导体或所述外导体包括:银浆;或,锡;或,银;或,铜;或,镍;或,合金。
第二方面,提供了一种射频模块,包括至少一个器件和上述第一方面的实现方式中至少一项所述的连接装置;所述器件设有接口,所述接口包括内导体连接面,外导体连接面和绝缘区域,所述绝缘区域绝缘所述内导体连接面和所述外导体连接面;所述连接装置的内导体的一端与所述内导体连接面连接,所述连接装置的外导体的一端与所述外导体连接面连接。
结合第二方面,在第二方面的某些实现方式中,所述器件包括电路板,或者,滤波器。
附图说明
图1是现有技术中一种连接装置实现板到板连接的结构示意图;
图2是现有技术中另一种连接装置实现板到板连接的结构示意图;
图3是本申请实施例提供的一种器件接口的俯视图;
图4是本申请实施例提供的一种射频模块的具体示例的结构示意图;
图5是本申请实施例提供的一种连接装置的具体示例的结构示意图;
图6是本申请实施例提供的一种射频模块的具体示例的结构示意图;
图7是本申请实施例提供的一种连接装置的具体示例的结构示意图;
图8是本申请实施例提供的一种射频模块的具体示例的结构示意图;
图9是本申请实施例提供的一种连接装置的具体示例的结构示意图;
图10是本申请实施例提供的一种射频模块的具体示例的结构示意图;
图11是本申请实施例提供的一种连接装置的具体示例的结构示意图。
具体实施方式
下面将结合附图,对本申请中的技术方案进行描述。
为了便于本领域技术人员理解本申请的技术方案,以下首先对连接装置的使用场景进行介绍。
连接装置,有时也可以称为板间连接装置或板间连接器,主要用于电路板、滤波器、天线等需要连接的器件之间的互连等。射频连接器,是一种常见的连接装置,用于实现射频器件之间的连接。例如,当实现印制电路板(printed circuit board,PCB)之间的连接,也就是板到板的连接时,两个被连接的电路板之间通常为相互平行且间隔设置,即连接装 置可以连接在两个平行设置的电路板之间,从而实现电路板之间的电气连接。通常,电路板上具有第一信号端和第二信号端等电气连接点,即接口,因此连接装置可以实现两个电路板的第一信号端之间的连通,以及两个电路板的第二信号端之间的连通,即在两个电路板之间形成有效的通路。类似地,连接装置可以用于实现电路板和滤波器等器件的连接和连通,或者也可以用于实现天线和滤波器等器件的连接和连通,或者还可以用于实现滤波器和滤波器等器件的连接和连通。
应理解,在本申请中,电气连接包括将不同导电结构连接起来的所有连接方式。
为了连接电路板、滤波器等需要连接的器件,本申请提供了一种低成本、低配高、高可靠的连接装置。
本申请提供的连接装置包括导体组件和固定结构,固定结构用于固定导体组件。
一种可能的实现方式中,连接装置可以设置于器件之间,连接两个器件,用于实现器件间的电气连接和信号传输。
其中,所述器件可以包括射频器件,例如PCB板、滤波器等需要进行连接的射频器件,本申请对此不作限定。
可选的,一个射频模块中可以包括至少一个射频器件,以及与该器件相连接的连接装置。
固定结构可以与器件固定连接,并与导体组件中的部分或全部结构连接,用于实现对导体组件的固定、定位。可选的,固定结构还可以用于辅助导体组件,起到电气连接和信号传输的作用。其中,固定结构与器件的固定连接方式可以包括:焊接、压铆或注塑等,本申请对此不作限定。此外,固定结构与导体组件中的部分或全部结构之间可以为过盈配合(interference fit)的可拆卸结构,从而能够防止导体组件中相应结构脱落。
应理解,固定结构可以由绝缘材料或导电介质材料制备而成。在固定结构由导电介质材料制备而成时,可用于辅助导体组件,实现器件间的电气连接和信号传输。
还应理解,固定结构可以为多种形状,例如柱状、筒状,环状等等,本申请对此不作限定。例如,当固定结构为柱状结构时,固定结构可以与导体组件中的部分通孔结构连接,来固定该通孔结构部分;当固定结构为筒状或环状结构时,即该固定结构可以设置通孔,导体组件中的部分或全部结构可以设置于固定结构的通孔内。
导体组件包括外导体,内导体和绝缘弹性体。具体地,内导体由导电介质材料制备而成,覆盖绝缘弹性体的表面,起信号传输的作用;外导体同样由导电介质材料制备而成,围设于内导体外侧,或者说,设置于内导体外侧,并与内导体之间电气绝缘,即外导体与内导体之间存在间隙,外导体起屏蔽隔离和阻抗匹配作用;绝缘弹性体由电绝缘的非金属弹性材料制备而成,具有良好的弹性性能,例如,可以考虑选用在绝缘弹性体的压缩量为20%时,其长期老化后的压缩永久变形量小于15%的绝缘弹性体,从而避免长期使用不回弹,保证良好的回弹性。
应理解,在本申请实施例中,可以通过调整内导体和/或外导体的结构参数,或者也可以通过调整内导体和外导体之间的距离,来实现内导体和外导体之间不同的阻抗匹配。
还应理解,制备内导体或外导体的导电介质材料可以为以下任一种或多种:银浆、银、锡、铜、镍、合金,本申请对此不作限定。还应理解,制备绝缘弹性体的非金属弹性材料,可以为以下任一种或多种:硅橡胶、丁晴橡胶、氟硅橡胶,本申请对此不作限定。
在本申请实施例中,绝缘弹性体可以为实心结构,该实心结构的表面可以为平面,或者也可以呈弧形,例如,球体、椭球体、圆柱体、立方体、不规则形状的立体结构等等;或者绝缘弹性体可以为设置有通孔、盲孔等的立体结构,例如,绝缘弹性体为环状结构,应理解,该环状结构可以是圆环形、方形、三角形、或不规则形状等等,本申请对此不作限定,又例如,绝缘弹性体可以为拱形结构、倒立的U型结构、盖帽等等,本申请对此不作限定。
在本申请实施例中,内导体覆盖绝缘弹性体表面包括:内导体覆盖绝缘弹性体的部分或全部表面,本申请对此不作限定。作为内导体的导电介质材料可以选取具有良好的电性能,并易于与绝缘弹性体结合的材料,例如银浆等各种金属镀层。
关于内导体的厚度,考虑到高频信号趋肤效应的影响,内导体的厚度可以大于趋肤深度的要求。例如,内导体的导电介质材料为银浆时,在内导体传输的信号频率为2.6GHz的情况下,银浆的厚度可以为20μm-25μm左右。
因此,通过内导体与绝缘弹性体相结合形成连接端,利用绝缘弹性体的弹性性能,在连接端受压后会变形并具有良好的回弹性,保证了连接端用于连接时的高可靠性。例如,在该连接装置用于连接器件时,器件间的装配公差、器件表面的不平整和粗糙等问题不会影响内导体与器件的正常连接和信号传输,即保证连接的高可靠性。并且由于该绝缘弹性体在尺寸较小时,仍能保持较好的回弹性,因此,可以满足小尺寸要求,实现低配高连接。此外,该连接装置结构简单,易于制备,制备成本较低,能够实现低成本要求。
可选的,连接装置还包括结构件,该结构件可以通过紧固件与器件固定,即该结构件用于固定上述器件,从而保证器件间连接的稳定性。其中,该结构件可以是不同于导体组件和固定结构的其他结构;或者该结构件可以是导体组件中的部分结构,如外导体,即外导体同时起到固定、屏蔽隔离和阻抗匹配的作用;或者该结构件为固定结构,即该固定结构同时起到固定导体组件和器件的作用。
应理解,上述内导体和/或外导体覆盖绝缘弹性体表面的方式可以为以下至少一种:挤出成型、电镀、涂覆、溅射、气相沉积、移印,本申请对此不作限定。
以下,以连接装置用于连接两个平行设置的PCB板为例,对本申请提供的连接装置进行介绍。
为了使得PCB板与连接装置之间实现电气连接,在PCB板表面设有接口。例如,图3为一种PCB板上的接口的俯视图,该接口用于PCB板与连接装置实现电气连接。如图3所示,包括外导体连接面301、绝缘区域302和内导体连接面303。
应理解,为了保证接口与连接装置之间连接的可靠性,在各种场景下,例如振动,接口中的外导体连接面、内导体连接面的尺寸设置需要能够保证与连接装置对应结构的电气连接不中断。例如,在连接装置包括的内导体上与接口内导体连接面接触的部分为圆形,简称该部分为内导体接触部分,连接装置包括的外导体上与接口外导体连接面接触的部分为圆环形,简称该部分为外导体接触部分,且接口内导体连接面和外导体连接面为如上述图3所示的形状时,内导体连接面303的直径可以大于圆形的内导体接触部分的直径,外导体连接面301的内径可以小于圆环形的外导体接触部分的内径,从而保证接口与连接装置连接不中断。
应理解,图3所示的接口还可以存在于滤波器等其他连接装置连接的部件上,本申请 对此不作限定。
图4示出了本申请提供的一种射频模块的具体示例的结构示意图。
如图4所示,为射频模块的截面图,该射频模块包括连接装置和上下器件41、42,其中,连接装置包括导体组件44和固定柱45,可选的,连接装置还可以包括结构件43。
以下,结合图5对图4对应的连接装置进行说明,即,图5示出了本申请提供的一种连接装置的具体示例的结构示意图。
如图5的(a)和(b)所示,分别为连接装置的截面图和俯视图,该连接装置包括导体组件51和固定柱53,可选的,该连接装置还可以包括结构件52。
结构件52可以为圆环形柱状结构,可以与图4中的上下器件41、42之间通过紧固件连接,例如通过螺钉、螺栓、螺柱、铆钉等紧固件,即只要能够将结构件与器件连接并固定即可,本申请对此不作限定。
固定柱53可以为圆柱状结构,可以与图4中的器件42固定连接,对导体组件51起固定和定位作用。可选的,固定柱与器件之间的固定连接方式有焊接、压铆、注塑等方式,本申请对此不作限定。
可选的,固定柱53与导体组件51同轴设置,为插接结构。固定柱与导体组件之间可以为过盈配合,即固定柱53的直径大于导体组件51的内径,从而防止导体组件51脱落。
以下,对导体组件51的结构进行说明。
在一个具体的示例中,导体组件51为圆环形柱状结构,包括绝缘弹性体511、内导体512以及外导体513。其中,绝缘弹性体511为圆环形柱状结构,内导体512和外导体513分别覆盖绝缘弹性体511的内、外表面,或者说,分别覆盖绝缘弹性体511的内、外侧表面。
在导体组件用于连接器件时,例如,在导体组件51与图3所示的接口连接时,该导体组件51的内导体512的一端与接口的内导体连接面303接触从而实现电气连接,外导体513的一端与接口的外导体连接面301接触从而实现电气连接,并且内外导体之间通过绝缘弹性体实现电气绝缘,此时,导体组件51即可实现器件间的电气连接和信号传输,即实现PCB板间的电气连接和信号传输。可选的,内导体512的一端与接口的内导体连接面303的接触方式可以是压紧并抵接,外导体513的一端与接口的外导体连接面301的接触方式可以是压紧并抵接。
为了使得导体组件与器件之间充分接触,提高导体组件实现器件间信号传输的可靠性,可以设置上述导体组件51的内导体512的一端的外径小于内导体连接面303的直径,外导体513的一端的内径大于外导体连接面301的内径。
关于导体组件51的制备方式,一种可能的实现方式为:首先将非金属弹性材料和导电介质层一起挤出成型;然后进行切割,获得具有一定长度的圆环形柱状结构,例如长度为2mm左右的圆环形柱状结构,此时该圆环形柱状结构的内外侧表面分别覆盖有导电介质层,其中内侧表面的导电介质层即为内导体,外侧表面的导电介质层即为外导体。
可选的,如图6和7所示,还可以在上述所示的导体组件51的端表面覆盖导电介质层,使得导体组件的内外导体与上下器件的内外导体连接面充分接触,从而提高导体组件实现上下器件间信号传输的可靠性。
即图6示出了本申请提供的一种射频模块的另一个具体示例的结构示意图,图7示出 了本申请提供的一种连接装置的另一个具体示例的结构示意图。
需要说明的是,图6所示的射频模块的部分结构与图4中的相同,图7所示的连接装置的部分结构与图5中的相同,因此,图6和图7中的结构可以分别参考图4、5中的介绍,此处不再赘述。
如图6所示,为射频模块的截面图,该射频模块包括连接装置和上下器件61、62,其中,连接装置包括导体组件64和固定柱65,可选的,连接装置还可以包括结构件63。
以下,结合图7对图6对应的连接装置进行说明,即图7示出了本申请提供的一种连接装置的具体示例的结构示意图。
如图7的(a)和(b)所示,分别为连接装置的截面图和俯视图,该连接装置包括导体组件71和固定柱73,可选的,该连接装置还可以包括结构件72。
关于图7中结构件72和固定柱73的介绍可参考上述图5中的相应结构的具体描述。即将52、53分别替换为72、73即可。
与图5中的导体组件51不同的是,图7中的导体组件71在其端面覆盖有导电介质。在一个具体的示例中,该导体组件71为圆环形柱状结构,包括绝缘弹性体711,内导体712、714,外导体713、715。
其中,绝缘弹性体711为圆环形柱状结构,内导体和外导体覆盖绝缘弹性体表面。进一步的,内导体又包括内侧表面的内导体714和端面内导体712,两者之间电气连接;外导体又包括外侧表面的外导体715和端面外导体713,两者之间同样电气连接;此外,端面内导体712与端面外导体713之间存在间隙,即内外导体间电气绝缘。
在导体组件用于连接器件时,例如,在导体组件71与图3所示的接口连接时,该导体组件71的端面内导体712与接口的内导体连接面303接触从而实现电气连接,端面外导体713与接口的外导体连接面301接触从而实现电气连接,此时,导体组件71即可实现器件间的电气连接和信号传输,即实现PCB板的电气连接和信号传输。可选的,端面内导体712与接口的内导体连接面303的接触方式可以是压紧并抵接,端面外导体713与外导体连接面301的接触方式可以是压紧并抵接。
为了使得导体组件与器件之间充分接触,提高导体组件实现器件间信号传输的可靠性,可以设置导体组件71的端面内导体712的外径小于接口的内导体连接面303的直径,导体组件71的端面外导体713的内径大于接口的外导体连接面301的内径。
关于导体组件71的制备方式,一种可能的实现方式为:首先将非金属弹性材料和导电介质层一起挤出成型;然后进行切割,获得具有一定长度的圆环形柱状结构,例如长度为2mm左右的圆环形柱状结构,此时该圆环形柱状结构的内外侧表面分别覆盖有导电介质层,其中内侧表面的导电介质层属于内导体,外侧表面的导电介质层属于外导体;最后,在该结构的两端面涂覆或印刷银浆并烘烤,即可获得端面内导体和端面外导体。
图8示出了本申请提供的一种射频模块的另一个具体示例的结构示意图。
如图8所示,为射频模块的截面图,该射频模块包括连接装置和上下器件81、82,其中,连接装置包括导体组件83、84,以及固定柱85。
在一个具体的示例中,导体组件具体包括外导体83以及由内导体与绝缘弹性体构成的内导部件84,此时,外导体83也可以称为结构件,即外导体83除了可以起到屏蔽隔离和阻抗匹配作用外,还可以用于固定上下器件81、82。如图8所示的外导体83为圆环 形柱状结构,作为结构件,与内导部件84之间存在一定的距离,即外导体与内导部件是不接触的,从而保证内外导体间的电气绝缘。并且外导体83与上下器件81、82之间通过紧固件连接,例如通过螺钉、螺栓、螺柱、铆钉等紧固件,即只要能够将外导体与器件连接并固定即可,本申请对此不作限定。
以下,结合图9对图8对应的连接装置进行说明,即,图9示出了本申请提供的一种连接装置的具体示例的结构示意图。
如图9(a)和(b)所示,分别为连接装置的截面图和俯视图,该连接装置包括导体组件91、92和固定柱93,其中,导体组件包括外导体92以及由内导体和绝缘弹性体构成的内导部件91。
应理解,导体组件91、92分别与图8中的导体组件84、83相同,关于其介绍可参考图8中的相关说明。
可选的,固定柱93为圆柱状结构,可以与图8中的器件82固定连接,对内导部件91起固定和定位作用。可选的,固定柱与器件之间的固定连接方式有焊接、压铆、注塑等方式,本申请对此不作限定。
可选的,固定柱93与内导部件91同轴设置,为插接结构。为防止内导部件91脱落,固定柱与内导部件之间为过盈配合,即固定柱93的直径大于内导部件91的内径。
以下,对内导部件91的结构进行说明。
在一个具体的示例中,内导部件91为圆环形柱状结构,包括绝缘弹性体911和内导体912、913、914。其中绝缘弹性体911为圆环形柱状结构,内导体912、913、914分别覆盖绝缘弹性体的端表面、内侧表面、外侧表面,即内导体将绝缘弹性体完全包裹在内。
在导体组件用于连接器件时,例如,在外导体92和内导部件91与图3所述的接口连接时,该内导部件91包括的内导体912与接口的内导体连接面303接触从而实现电气连接,外导体92的一端与接口的外导体连接面301接触从而实现电气连接,此时导体组件即可实现器件间的电气连接和信号传输,即实现PCB板间的电气连接和信号传输。可选的,内导体912与内导体连接面303的接触方式可以是压紧并抵接,外导体92与外导体连接面301的接触方式可以是通过紧固件压紧并抵接。
为了使得导体组件与器件之间充分接触,提高导体组件实现器件间信号传输的可靠性,可以设置上述内导体912的外径小于内导体连接面303的直径,外导体92的一端的内径大于外导体连接面301的内径。
关于内导部件91的制备方式,一种可能的实现方式为:首先将非金属弹性材料和导电介质层一起挤出成型;然后进行切割,获得具有一定长度的圆环形柱状结构,例如长度为2mm的圆环形柱状结构,此时该圆环形柱状结构的内外侧表面分别覆盖有导电介质层,该导电介质层均属于内导体;最后,在该结构的两端面涂覆或印刷银浆并烘烤,即可获得端表面的内导体。
图10示出了本申请提供的一种射频模块的另一个具体示例的结构示意图。
如图10所示,为射频模块的截面图,该射频模块包括连接装置和上下器件101、102,其中,连接装置包括导体组件103、104,以及固定柱105。
可选的,导体组件具体包括外导体103以及由内导体与绝缘弹性体构成的内导部件104,此时,外导体103也可以称为结构件,即外导体103除了可以起到屏蔽隔离和阻抗 匹配作用外,还可以用于固定上下器件101、102。如图10所示的外导体103为圆环形柱状结构,作为结构件,与内导部件104之间存在一定的距离,即外导体与内导部件是不接触的,从而保证内外导体间的电气绝缘。并且外导体103为与上下器件101、102之间通过紧固件连接,例如通过螺钉、螺栓、螺柱、铆钉等紧固件,即只要能够将外导体与器件连接并固定即可,本申请对此不作限定。
以下,结合图11对图10对应的连接装置进行说明,即,图11示出了并申请提供的一种连接装置的具体示例的结构示意图。
如图11(a)和(b)所示,分别为连接装置的截面图和俯视图,该连接装置包括导体组件111、112和固定柱113,其中,导体组件包括外导体112以及由内导体和绝缘弹性体构成的内导部件111。
应理解,导体组件111、112分别与图10中的导体组件104、103相同,关于其介绍可参考图10中的相关说明。
在一个具体的示例中,固定柱113为圆柱形台阶状结构,可以与图10中的器件102固定连接,对内导部件111起固定和定位作用。可选的,固定柱与器件之间的连接方式有焊接、压铆、注塑等方式,本申请对此不作限定。
在一个具体的示例中,固定柱113与内导部件111同轴设置,为插接结构。为防止内导部件111脱落,固定柱与内导部件之间为过盈配合,即固定柱113的上部分结构的直径大于内导部件111的孔直径。
以下,对内导部件111的结构进行说明。
在一个具体的示例中,内导部件111为拱形柱状结构,包括绝缘弹性体1111和内导体1112。其中,绝缘弹性体1111为一端开孔的拱形柱状结构,内导体1112覆盖绝缘弹性体1111的外表面。可选的,内导体1112还可以覆盖绝缘弹性体1111的内表面。
通过内导部件的顶部采用拱形结构,可以减小内导部件因压缩导致的回弹力,从而在该内导部件用于连接器件时,能够减小器件上与内导部件接触部分的变形。
可选的,内导体与1112与固定柱113连接,在用于连接器件时,固定柱113可以采用导电介质,从而固定柱能够在起到除固定和定位作用的同时,还可以起到电气连接和信号传输的作用。此外,固定柱采用台阶状,能够便于调整配高。例如,在需要调整器件之间的距离时,可以不需要调整内导部件的高度,通过调整固定柱的高度,即可适应器件之间的距离变化。
在导体组件用于连接器件时,例如,在外导体112和内导部件111与图3所述的接口连接时,该内导部件111包括的内导体1112与接口的内导体连接面303接触从而实现电气连接,外导体112的一端与接口的外导体连接面301接触从而实现电气连接,此时导体组件即可实现器件间的电气连接和信号传输,即实现PCB板间的电气连接和信号传输。可选的,内导体1112与内导体连接面303的接触方式可以是压紧并抵接,外导体112与外导体连接面301的接触方式可以是通过紧固件压紧并抵接。
为了使得导体组件与器件之间充分接触,提高导体组件实现器件间信号传输的可靠性,可以设置上述图11的俯视图(b)的内导体1112的外径小于内导体连接面303的直径,外导体112的一端的内径大于外导体连接面301的内径。
关于内导部件111的制备方式,一种可能的实现方式为:首先将非金属弹性材料通过 模压成型的方式制备出拱形结构的绝缘弹性体;然后通过涂覆或电镀的方式在该绝缘弹性体的外表面增加导电介质层,该导电介质层即为内导体。
可以理解的,为了方便描述,本申请附图中的射频模块示例包括了与连接装置连接的上下两个器件,但本申请并不限定射频模块中一定要包含两个与连接装置连接的器件,与连接装置连接的器件也可以是1个或者更多个。
在本申请所提供的几个实施例中,应该理解到,所揭露的系统、装置和方法,可以通过其它的方式实现。例如,以上所描述的装置实施例仅仅是示意性的,例如,所述单元的划分,仅仅为一种逻辑功能划分,实际实现时可以有另外的划分方式,例如多个单元或组件可以结合或者可以集成到另一个系统,或一些特征可以忽略,或不执行。另一点,所显示或讨论的相互之间的耦合或直接耦合或通信连接可以是通过一些接口,装置或单元的间接耦合或通信连接,可以是电性或其它的形式。
以上所述,仅为本申请的具体实施方式,但本申请的保护范围并不局限于此,任何熟悉本技术领域的技术人员在本申请揭露的技术范围内,可轻易想到变化或替换,都应涵盖在本申请的保护范围之内。因此,本申请的保护范围应以所述权利要求的保护范围为准

Claims (14)

  1. 一种连接装置,其特征在于,所述连接装置包括导体组件和固定结构,所述固定结构用于固定所述导体组件;
    所述导体组件包括外导体,内导体和绝缘弹性体,其中,所述内导体覆盖所述绝缘弹性体的表面,所述外导体和所述内导体之间电气绝缘。
  2. 如权利要求1所述的连接装置,其特征在于,所述绝缘弹性体为环状结构;
    所述内导体覆盖所述绝缘弹性体的内表面。
  3. 如权利要求2所述的连接装置,其特征在于,所述内导体还覆盖所述绝缘弹性体的端表面。
  4. 如权利要求2或3所述的连接装置,其特征在于,所述外导体覆盖所述绝缘弹性体的外表面。
  5. 如权利要求4所述的连接装置,其特征在于,所述外导体还覆盖所述绝缘弹性体的端表面。
  6. 如权利要求2或3所述的连接装置,其特征在于,所述内导体还覆盖所述绝缘弹性体的外表面;
    所述外导体设置有通孔,所述内导体,所述绝缘弹性体和所述固定柱设置于所述通孔内。
  7. 如权利要求1-6任一项所述的连接装置,其特征在于,所述固定结构为固定柱;
    所述固定柱与所述导体组件之间为插接结构。
  8. 如权利要求1-5任一项所述的连接装置,其特征在于,所述固定结构设置有通孔,所述导体组件设置于所述通孔内。
  9. 如权利要求1所述的连接装置,其特征在于,所述绝缘弹性体的一端呈弧形;
    所述内导体覆盖所述绝缘弹性体呈弧形的一端的外表面;
    所述外导体设置有通孔,所述内导体,所述绝缘弹性体和所述固定柱设置于所述通孔内。
  10. 如权利要求9所述的连接装置,其特征在于,所述绝缘弹性体的另一端设置有孔;
    所述固定结构为柱形台阶状结构;
    所述固定结构与所述绝缘弹性体之间通过所述孔和所述柱形台阶状结构形成插接结构。
  11. 如权利要求1-10任一项所述的连接装置,其特征在于,所述绝缘弹性体包括:
    硅橡胶,或丁晴橡胶,或氟硅橡胶。
  12. 如权利要求1-11任一项所述的连接装置,其特征在于,所述内导体或所述外导体包括:
    银浆,或锡,或银,或铜,或镍,或合金。
  13. 一种射频模块,其特征在于,包括至少一个器件和至少一个如权利要求1-13任一项所述的连接装置;
    所述器件设有接口,所述接口包括内导体连接面,外导体连接面和绝缘区域,所述绝 缘区域绝缘所述内导体连接面和所述外导体连接面;
    所述连接装置的内导体的一端与所述内导体连接面连接,所述连接装置的外导体的一端与所述外导体连接面连接。
  14. 如权利要求13所述的射频模块,其特征在于,所述器件包括电路板,或者,滤波器。
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