CN105098542A - Radio-frequency coaxial connector and board-to-board radio-frequency coaxial connector combination - Google Patents
Radio-frequency coaxial connector and board-to-board radio-frequency coaxial connector combination Download PDFInfo
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- CN105098542A CN105098542A CN201510395188.9A CN201510395188A CN105098542A CN 105098542 A CN105098542 A CN 105098542A CN 201510395188 A CN201510395188 A CN 201510395188A CN 105098542 A CN105098542 A CN 105098542A
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Abstract
The invention discloses a radio-frequency coaxial connector which is used for transmitting a radio-frequency signal, wherein the radio-frequency coaxial connector comprises an outer conductor, a base, a dielectric body and an inner conductor, wherein the dielectric body is fastened to the inside of the outer conductor; one end of the inner conductor is fixed on the outer conductor through the dielectric body; the other end of the inner conductor is located in the base; the inner conductor comprises a body, a floating part, a connecting pipe and a plurality of elastic spring wires; the body is fastened to the inside of the dielectric body; the floating part is connected with the body through the connecting pipe; two opposite ends of each elastic spring wire are respectively fixed on the body and the floating part to establish a radio-frequency signal transmission channel; the elastic spring wires elastically deform to realize the position tolerance compatibility in the horizontal direction and the height direction; the floating part is located in the base; and radial runout of the radio-frequency coaxial connector is calibrated through deflection.
Description
Technical field
The present invention relates to field of connectors, particularly relate to a kind of radio frequency (RF) coaxial connector and a kind of plate combines plate radio frequency (RF) coaxial connector.
Background technology
Along with the development of the communication technology, the integration degree of module is more and more higher, and the volume of the equipment such as various microwave communication device, mobile communications device and fine measuring instrument is tending towards miniaturized, microminiaturized day by day.Therefore, higher requirement be it is also proposed to the coaxial connector be applied in these equipment, especially between pcb board, carry out the radio frequency (RF) coaxial connector of the highly dense installation of radio frequency interconnects.Described radio frequency (RF) coaxial connector is referred to as RF connector, and be that a kind of can realization connects and the electromechanical compo be separated fast, it adopts coaxial transmission line structure.
Existing coaxial connector generally includes back plane connector, gusset plate connector and adapting rod, and the opposite end of described adapting rod connects described back plane connector and gusset plate connector respectively.Wherein, described back plane connector and gusset plate connector are referred to as plate terminal adapter, and all adopt general resilient contact design.But, because the elastic tip intensity of contact is lower, contact wear or contact damage in use easily occur, and the damage of this contact is difficult to test out in follow-up checkout procedure, thus can reduce the yield of product.
In addition, the plate terminal adapter of traditional radio frequency (RF) coaxial connector is when welding with corresponding pcb board, in order to avoid plate terminal adapter, when welding with pcb board, the weld defects such as rosin joint, pore, missing solder occurs, need at plate terminal adapter place design welding procedure groove, to ensure the soldering reliability of plate terminal adapter.But, due to the existence of this welding procedure groove, not only technological requirement is higher, add design cost, and can cause there is larger radio frequency leakage at described plate terminal adapter place, thus Electro Magnetic Compatibility (ElectroMagneticCompatibility, the EMC) performance that connector uses is reduced.
Summary of the invention
For the problems referred to above, the embodiment of the present invention provides a kind of radio frequency (RF) coaxial connector, it is while realizing blindmate coaxial connector function, effectively can avoid the problem occurring to damage contact in assembling and use procedure, and improve the EMC performance of described radio frequency (RF) coaxial connector preferably.
In addition, the embodiment of the present invention also provides a kind of plate of the described radio frequency (RF) coaxial connector of application to combine plate radio frequency (RF) coaxial connector.
On the one hand, provide a kind of radio frequency (RF) coaxial connector, it is for transmitting radio frequency signal, described radio frequency (RF) coaxial connector comprises outer conductor, base, dielectric and inner wire, described dielectric is anchored in described outer conductor, one end of described inner wire is fixed on described outer conductor by described dielectric, the other end is positioned at described base, described inner wire comprises body, floating part, tube connector and some elasticity spring silks, described body is anchored in described dielectric, described floating part is connected by described tube connector with described body, the opposite end of described elasticity spring silk is individually fixed on described body and described floating part, to set up the path of radio signal transmission, described elasticity spring silk generation strain with in the horizontal direction and short transverse realize position of related features compatibility, described floating part is positioned at described base, and by deflecting the radial disbalance calibrating this radio frequency (RF) coaxial connector.
In the first possible implementation of first aspect, the bottom of described outer conductor offers a through hole, described floor installation is in one end relative to through hole of described outer conductor, described base is offered a base connecting hole, this base connecting hole is a rigidity hole, its hole inwall is rigid contact surfaces, and described floating part plugs together in the base connecting hole of described base, described elasticity spring silk directly with the contact internal walls of described base connecting hole.
In the implementation that the second of first aspect is possible, described outer conductor is divided into the first outer conductor and the second outer conductor that are arranged above and below, described dielectric is anchored in described first outer conductor, the body of described inner wire plugs together and is fixed in this dielectric, to ensure the relative position relation between this outer conductor and described inner wire.
In conjunction with the implementation that the second of first aspect is possible, in the implementation that the third is possible, described second outer conductor is hollow tube-shape body, an elastic electric conductor is provided with between described first outer conductor and described second outer conductor, described floor installation is in described second outer conductor, the floating part of described inner wire plugs together the base connecting hole in described base, the opposite end of described elasticity spring silk is individually fixed on described body and described floating part, and contact internal walls that is direct and described base connecting hole.
In the 4th kind of possible implementation of first aspect, described outer conductor is divided into the first outer conductor and the second outer conductor that are arranged above and below, described dielectric is anchored in described first outer conductor, described base is placed in described first outer conductor, the floating part of described inner wire is aimed in one end of this base, the other end is fixed in this dielectric, to ensure the relative position relation between this outer conductor and described base.
In conjunction with the 4th kind of possible implementation of first aspect, in the 5th kind of possible implementation, described second outer conductor is hollow tube-shape body, the body of described inner wire is positioned at described second outer conductor, between described first outer conductor and described second outer conductor, an elastic electric conductor is set, this elastic electric conductor is fixed on described first outer conductor, to set up physical connection between described first outer conductor and the second outer conductor and electric connection.
In the 6th kind of possible implementation of first aspect, described tube connector is riveting pipe, and described elasticity spring silk is symmetrical along the central shaft of described inner wire.
In the 7th kind of possible implementation of first aspect, wherein, described outer conductor is made of copper, and described dielectric is made up of polytetrafluoroethylene, and described elasticity spring silk is made up of high-elasticity copper alloy material, and gold-plated process is carried out on the surface of this elasticity spring silk.
On the other hand, provide a kind of plate to the combination of plate radio frequency (RF) coaxial connector, it comprises two wiring boards be parallel to each other, and above-mentioned multiple radio frequency (RF) coaxial connectors, multiple described radio frequency (RF) coaxial connector is electrically connected between described wiring board, to set up the transmission channel of multi-channel rf signal.
In the first possible implementation of second aspect, wherein, when there is relative displacement in the horizontal direction in two wiring boards be parallel to each other, described elasticity spring silk generation strain, described floating part deflects and realizes radial compensation, described floating part is supported by the inwall of described base connecting hole and strain occurs, compatible to realize position of related features in the horizontal direction.
The radio frequency (RF) coaxial connector that embodiments of the present invention provide, by inner wire being adopted the design of " spring needle-like " floating inner wire, this inner wire is designed with floating structure, elasticity spring silk is fixed on floating structure by mechanical means, this elasticity spring silk is for realizing the function of contact in prior art, not only achieve the Allowance Design of the inner wire of this radio frequency (RF) coaxial connector, and effectively can avoid the problem that contact damage occurs in assembling and use procedure, therefore its relatively existing scheme has higher application reliability.In addition, the seat end of described radio frequency (RF) coaxial connector adopts PCB mode to realize, and carries out seamless link, thus make this radio frequency (RF) coaxial connector have good EMC performance by welding manner and PCB.The moulding process of described radio frequency (RF) coaxial connector is simple, there is stronger designed reliability, and there is lower design join height (design height namely between described First Line version and described second wiring board), difference can be met and join radio frequency transmission requirement between high plate.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the assembling schematic diagram of plate provided by the invention to the first embodiment that plate radio frequency (RF) coaxial connector combines;
Fig. 2 is the position of related features compatibility status schematic diagram of the radio frequency (RF) coaxial connector of Fig. 1;
Fig. 3 is the schematic perspective view of the inner wire of the radio frequency (RF) coaxial connector of Fig. 1;
Fig. 4 is the assembling schematic diagram of plate provided by the invention to the second embodiment that plate radio frequency (RF) coaxial connector combines;
Fig. 5 is the schematic perspective view of the inner wire of the radio frequency (RF) coaxial connector of Fig. 4;
Fig. 6 is the assembling schematic diagram of plate provided by the invention to the 3rd embodiment that plate radio frequency (RF) coaxial connector combines;
Fig. 7 is the schematic perspective view of the inner wire of the radio frequency (RF) coaxial connector of Fig. 6;
Fig. 8 is the assembling schematic diagram of plate provided by the invention to the 4th embodiment that plate radio frequency (RF) coaxial connector combines;
Fig. 9 is the schematic perspective view of the inner wire of the radio frequency (RF) coaxial connector of Fig. 8;
Figure 10 is the assembling schematic diagram of plate provided by the invention to the 5th embodiment that plate radio frequency (RF) coaxial connector combines; And
Figure 11 is the schematic perspective view of the inner wire of Figure 10 radio frequency (RF) coaxial connector.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
In addition, the explanation of following embodiment is with reference to additional diagram, can in order to the specific embodiment implemented in order to illustrate the present invention.The direction term mentioned in the present invention, such as, " on ", D score, "front", "rear", "left", "right", " interior ", " outward ", " side " etc., it is only the direction with reference to annexed drawings, therefore, the direction term used be in order to better, be illustrated more clearly in and understand the present invention, instead of instruction or infer the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as limitation of the present invention.
In describing the invention, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; It can be mechanical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, concrete condition above-mentioned term concrete meaning in the present invention can be understood.
In addition, in describing the invention, except as otherwise noted, the implication of " multiple " is two or more.If there is the term of " operation " in this specification, it not only refers to independently operation, when cannot clearly distinguish with other operation, as long as the effect that can realize desired by this operation is then also included within this term.In addition, refer to by the number range that "-" represents the scope that the numerical value recorded before and after "-" is included as minimum value and maximum in this specification.In the accompanying drawings, structural similarity or the identical label of identical unit represent.
In an embodiment of the present invention, change the inner wire of existing radio frequency (RF) coaxial connector into more succinct double-body bike or integral structure by traditional three stage structure, realize blindmate float while, structure is also simpler; In addition, to float inner wire by the inner wire of this radio frequency (RF) coaxial connector being adopted " spring needle-like ", this inner wire is designed with floating structure, elasticity spring silk is fixed on floating structure by mechanical means, this elasticity spring silk for realizing the function of contact in prior art, thus realizes the Allowance Design of the inner wire of radio frequency (RF) coaxial connector; In addition, the seat end of described radio frequency (RF) coaxial connector adopts printed substrate (Printedcircuitboard, PCB) mode realizes, seamless link is carried out by welding manner and PCB, thus make scheme have good Electro Magnetic Compatibility (ElectroMagneticCompatibility, EMC) performance.
See also Fig. 1 to Fig. 3, the plate that the first embodiment of the present invention provides is to the schematic diagram of plate radio frequency (RF) coaxial connector combination 100.In the present embodiment, described plate comprises first line plate 1, second wiring board 2 and multiple radio frequency (RF) coaxial connector (figure does not mark) to plate radio frequency (RF) coaxial connector combination 100.Described radio frequency (RF) coaxial connector and described first line plate 1 and described second wiring board 2 physical connection, make three link into an integrated entity; In addition, this radio frequency (RF) coaxial connector and described first line plate 1 and described second wiring board 2 are electrically connected, thus set up the transmission channel of multi-channel rf signal.
In an embodiment of the present invention, described first line plate 1 can be a buckle PCB, and it is the supporter of electronic devices and components, or the carrier of electronic devices and components electrical connection.Be understandable that, described first line plate 1 realizes physical connection and electric connection by one first elastic electric conductor 3 with described radio frequency (RF) coaxial connector, particularly, described first elastic electric conductor 3 is arranged to set up electric connection therebetween between described first line plate 1 and this radio frequency (RF) coaxial connector, and this first line plate 1 is fixed by fixed structure piece (not shown) such as buckle, a bolt etc.
In inventive embodiment, described second wiring board 2 can be a base plate PCB, it is undertaken being welded to connect the two to be fixed by base plate scolding tin 4 and described radio frequency (RF) coaxial connector, thus complete this second wiring board 2 be connected with described radio-frequency (RF) coaxial between physical connection and electric connection.In an embodiment of the present invention, described second wiring board 2 offers a base plate connecting hole 21, and this base plate connecting hole 21 is a rigidity hole, and its hole inwall is rigid contact surfaces.
In an embodiment of the present invention, each radio frequency (RF) coaxial connector comprises outer conductor 51, base 53, dielectric 55 and inner wire 56.Described outer conductor 51 is connected with described base 53, and described dielectric 55 is arranged in described outer conductor 51, and described inner wire 56 is fixed on described outer conductor 51 by this dielectric 55.
Be specially, described outer conductor 51 is the hollow tube-shape body of one end open, realizes physical connection and electric connection bottom it by described first elastic electric conductor 3 with described first line plate 1.Wherein, described first elastic electric conductor 3 is arranged between described first line plate 1 and the bottom of described outer conductor 51 to set up electric connection therebetween.In an embodiment of the present invention, the bottom of described outer conductor 51 offers a through hole 511, and this through hole 511 is specifically opened in the bottom of described outer conductor 51 near centre position, and it is a rigidity hole, and the hole inwall of through hole 511 is rigid contact surfaces.Described outer conductor 51 can be made of copper.
The peripheral shape of described base 53 and the peripheral shape of size and described outer conductor 51 and size match, and this base 53 is installed on described outer conductor 51 one end relative to through hole 511, that is, this base 53 is installed on the openend of described outer conductor 51.In an embodiment of the present invention, described base 53 is electrically connected with described outer conductor 51 by one second elastic electric conductor 6, particularly, described second elastic electric conductor 6 is arranged between described base 53 and described outer conductor 51, to set up electric connection therebetween.In an embodiment of the present invention, described base 53 is offered a base connecting hole 531, this base connecting hole 531 can be a rigidity hole, and its hole inwall is rigid contact surfaces.When described first line plate 1, with described second wiring board 2, relative displacement or deviation does not occur in the horizontal direction, described base connecting hole 531 aims at described base plate connecting hole 21 and described through hole 511.
Described base 53 welds with described second wiring board 2 by described base plate scolding tin 4 relative to the side of described outer conductor 51, thus the outer conductor path completed between described base 53 with described second wiring board 2 is connected.Therefore, outer conductor path completes physical connection and electric connection by described first line plate 1, described first elastic electric conductor 3, described outer conductor 51, described second elastic electric conductor 6, base plate scolding tin 4 and described second wiring board 2 successively.
In an embodiment of the present invention, described dielectric 55 is the elastic columnar shape body of hollow, and it can be anchored in described outer conductor 51, and such as, this dielectric 55 is anchored in this outer conductor 51 by interference fit.Described inner wire 56 can plug together and be fixed in this dielectric 55, and such as, this inner wire 56 securely plugs together in this dielectric 55 by interference fit.Therefore, described outer conductor 51, described inner wire 56 and this dielectric 55 are linked and packed and are integrated, so ensure that the relative position relation between this outer conductor 51 and described inner wire 56, thus realize the continuity of transfer impedance, and the impedance of described dielectric 55 is matched with described outer conductor 51 and inner wire 56 completely.Described dielectric can be made by having flexible insulating material, as polytetrafluoroethylene (Polytetrafluoroethylene, PTFE).
Please refer to Fig. 3, described inner wire 56 can adopt " spring needle-like " to float inner wire, and its entirety is axis body shape, and this inner wire 56 is positioned at described outer conductor 51, and it comprises body 561, floating part 563 and tube connector 565.Described body 561 entirety is roughly in column, and its one end is connected with described floating part 563, its other end is convexly equipped with pin 566.Described inner wire 56 is welded to connect by buckle scolding tin 7 and described first line plate 1, with the electric connection realized between this inner wire 56 with described first line plate 1 and set up inner wire path and be connected.Be specially, described body 561 plugs together in described dielectric 55, and passes the through hole 511 of described outer conductor 51, and securely plugs together by interference fit and be fixed in this dielectric 55.Now, described pin 566 supports described first line plate 1, and by welding mode as described in buckle scolding tin 7 be welded on this first line plate 1, to set up the connection between first line plate 1 and described inner wire 56.
Described floating part 563 entirety be axis body shape as cylindrical shape, it is connected and fixed by described tube connector 565 and described body 561.In an embodiment of the present invention, described tube connector 565 can be riveting pipe.Described floating part 563 can plug together the base plate connecting hole 21 of base connecting hole 531 in described base 53 and described second wiring board 2, and securely plugs together by interference fit and be fixed in this base connecting hole 531 and base plate connecting hole 21.
Described inner wire 56 also comprises some elasticity spring silks 567, and described elasticity spring silk 567 can be made up of high-elasticity copper alloy material, and preferably, gold-plated process is carried out on the surface of this elasticity spring silk 567.In an embodiment of the present invention, the quantity of described elasticity spring silk 567 is more than or equal to 3, and symmetrical along the central shaft of described inner wire 56.The opposite end of described elasticity spring silk 567 is individually fixed on described body 561 and floating part 563.Described inner wire 56 is when assembling, first one end of described elasticity spring silk 567 is loaded described floating part 563, its other end is fixed on described body 561 by described tube connector 565, then, carry out turning over riveting operation at described tube connector 565 place, so that described elasticity spring silk 567 is fixed on described floating part 563, thus by fixing between described floating part 563, elasticity spring silk 567, tube connector 565 and described body 561.Therefore, inner wire path is completed physical connection and electric connection with described second wiring board 2 by described first line plate 1, buckle scolding tin 7, body 561, tube connector 565, elasticity spring silk 567, thus is completed the foundation of radio frequency signal channels successively.
The radio frequency (RF) coaxial connector that first embodiment of the invention provides in use, when carrying out radio signal transmission between the first line plate 1 be such as parallel to each other and the second wiring board 2, described outer conductor 51 is realized being connected by described first elastic electric conductor 3 with described first line plate 1 and fixes.The body 561 of described inner wire 56 is plugged together in described dielectric 55, and pass the through hole 511 of described outer conductor 51, and securely plugged together by interference fit and be fixed in this dielectric 55, now, described pin 566 supports described first line plate 1, and be fixedly welded on this first line plate 1 by described buckle scolding tin 7, to set up the connection between described first line plate 1 and described inner wire 56.Described floating part 563 is plugged together the base plate connecting hole 21 of base connecting hole 531 in described base 53 and described second wiring board 2, and securely plugged together by interference fit and be fixed in described base plate connecting hole 21.The side of described base 53 is electrically connected with described outer conductor 51 by the second elastic electric conductor 6, its opposite side is welded with described second wiring board 2 by base plate scolding tin 4, thus the outer conductor path completed between described base 53 with described second wiring board 2 is connected.When described radio frequency (RF) coaxial connector be installed on carry out multi-channel rf Signal transmissions between parallel first line plate 1 and the second wiring board 2 time, outer conductor path is successively by described first line plate 1, described first elastic electric conductor 3, described outer conductor 51, described second elastic electric conductor 6, base plate scolding tin 4 and described second wiring board 2 complete physical connection and electric connection, inner wire path is successively by described first line plate 1, buckle scolding tin 7, body 561, tube connector 565, elasticity spring silk 567 and described second wiring board 2 complete physical connection and electric connection, thus complete the foundation of radio frequency signal channels.
Refer to Fig. 2, when there is relative displacement or deviation in the horizontal direction with described second wiring board 2 in described first line plate 1, namely, when there is position of related features between described first line plate 1 and described second wiring board 2, its tolerance implementation is: (1) inner wire 56: between described first line plate 1 and described second wiring board 2 during occurrence positions tolerance, first there is strain in described elasticity spring silk 567, if when the position of related features between two parallel wiring boards continues to increase, then described floating part 563 deflects and realizes radial compensation (namely calibrating the radial disbalance of this radio frequency (RF) coaxial connector).Specifically, because the base connecting hole 531 of described base 53 and the base plate connecting hole 21 of described second wiring board 2 are rigidity hole, then described floating part 563 is supported by the inwall of described base connecting hole 531 and described base plate connecting hole 21 and strain is occurred, thus avoid described inner wire 56 and occur stress damage, and then it is compatible to realize position of related features in the horizontal direction.In addition, in short transverse (namely vertical with described horizontal direction direction), because described elasticity spring silk 567 has larger design outline, directly can ensure within the scope of design height that described elasticity spring silk 567 is connected with described the reliable of base plate connecting hole 21, thus the position of related features realizing short transverse is compatible.(2) outer conductor 51: between described first line plate 1 and described second wiring board 2 during occurrence positions tolerance, by described first elastic conduction conductor 3 and described second elastic conduction conductor 6 jointly realize described outer conductor 51 in the horizontal direction and the position of related features of short transverse compatible.
In sum, the radio frequency (RF) coaxial connector that embodiments of the present invention provide, by inner wire being adopted the design of " spring needle-like " floating inner wire, this inner wire is designed with floating structure, elasticity spring silk is fixed on floating structure by mechanical means, this elasticity spring silk is for realizing the function of contact in prior art, not only achieve the Allowance Design of the inner wire of this radio frequency (RF) coaxial connector, and effectively can avoid the problem that contact damage occurs in assembling and use procedure, therefore its relatively existing scheme has higher application reliability.In addition, the seat end of described radio frequency (RF) coaxial connector adopts PCB mode to realize, and carries out seamless link, thus make this radio frequency (RF) coaxial connector have good EMC performance by welding manner and PCB.The moulding process of described radio frequency (RF) coaxial connector is simple, there is stronger designed reliability, and there is lower design join height (design height namely between described First Line version and described second wiring board), difference can be met and join radio frequency transmission requirement between high plate.
Refer to Fig. 4 and Fig. 5, the plate that the second embodiment of the present invention provides is to plate radio frequency (RF) coaxial connector combination 200, the plate that the present embodiment and the first embodiment shown in Fig. 1 to Fig. 3 provide to plate radio frequency (RF) coaxial connector combine 100 floating implementation and mounting means all substantially identical, just the two structure slightly difference.Its difference is: described second wiring board 2 does not offer connecting hole, and the floating part 563 of described inner wire 56 plugs together in the base connecting hole 531 of described base 53, described elasticity spring silk 567 directly with the contact internal walls of described base connecting hole 531.
Preferably, in an embodiment of the present invention, described base connecting hole 531 can adopt blind hole to design, that is, this base connecting hole 531 non-through described base 53, then one end of the floating part 563 of described inner wire 56 is installed in this base connecting hole 531.Preferably, the mode that described base 53 welds by scolding tin (as inner wire scolding tin 41) in the position corresponding to described floating part 563 with as described in the second wiring board 2 weld, thus the outer conductor path completed between described base 53 with described second wiring board 2 is connected.
Refer to Fig. 6 and Fig. 7, the plate that the third embodiment of the present invention provides is to plate radio frequency (RF) coaxial connector combination 300, the plate that the present embodiment and the first embodiment shown in Fig. 1 to Fig. 3 provide to plate radio frequency (RF) coaxial connector combine 100 floating implementation and mounting means all substantially identical, just the two structure slightly difference.Its difference is: described second wiring board 2 is directly installed on described outer conductor 51 one end relative to through hole 511, that is, this second wiring board 2 is installed on the openend of described outer conductor 51; The column of described base 53 to be a cross section the be hollow of " convex " shape, it comprises the different two parts of upper and lower radial dimension, wherein, what this base 53 radial dimension was larger partially passes through described second wiring board 2, the part that its radial dimension is less is welded with described second wiring board 2 by described base plate scolding tin 4, described elasticity spring silk 567 directly with the contact internal walls of described base connecting hole 531, thus the outer conductor path completed between described base 53 with described second wiring board 2 is connected.
Therefore, in an embodiment, when described radio frequency (RF) coaxial connector be installed on carry out multi-channel rf Signal transmissions between parallel first line plate 1 and the second wiring board 2 time, outer conductor path completes physical connection and electric connection by described first line plate 1, described first elastic electric conductor 3, described outer conductor 51, described second elastic electric conductor 6 and described second wiring board 2 successively; Inner wire path completes physical connection and electric connection by first line plate 1, buckle soldering 7, body 561, tube connector 565, elasticity spring silk 567, base 53, base plate soldering 4 and described second wiring board 2 successively, thus completes the foundation of radio frequency signal channels.
Refer to Fig. 8 and Fig. 9, the plate that the fourth embodiment of the present invention provides is to plate radio frequency (RF) coaxial connector combination 400, the plate that the 3rd embodiment shown in the present embodiment with Fig. 6 and Fig. 7 provides to the floating implementation of plate radio frequency (RF) coaxial connector combination 300 and mounting means all substantially identical, just the two structure slightly difference.Its difference is: (1) changes described first line plate 1 into cable outlet method, that is, by this first line plate 1 instead by cable inner wire 8; (2) described outer conductor 51 is divided into upper and lower two parts, that is, the first outer conductor 511 and the second outer conductor 513.
Be specially, described first outer conductor 511 is hollow tube-shape body, described dielectric 55 is the elastic columnar shape body of hollow, it is anchored in described first outer conductor 511 by interference fit, described inner wire 56 can plug together and be fixed in this dielectric 55, such as, this inner wire 56 securely plugs together in this dielectric 55 by interference fit.Therefore, described first outer conductor 511, described inner wire 56 and this dielectric 55 are linked and packed and are integrated, and so ensure that the relative position relation between this outer conductor 51 and described inner wire 56, thus realize the continuity of transfer impedance.The body 561 of described inner wire 56 plugs together in described dielectric 55, and expose this dielectric 55, then the pin 566 of this inner wire 56 is by welding the mode of (scolding tin 81 as shown in Figure 8) and described cable inner wire 8, to set up the connection between this cable inner wire 8 and described inner wire 56.
Described second outer conductor 513 is hollow tube-shape body, its by an elastic electric conductor (as described in the second elastic electric conductor 6) with as described in the second wiring board 2 be electrically connected, and by a fixed structure piece as buckle, bolt and as described in elastic electric conductor be fixed in the lump as described on the second wiring board 2.Be appreciated that, one elastic electric conductor (as elastic electric conductor 3) can be set between described first outer conductor 511 and described second outer conductor 513, this elastic electric conductor is fixed on described first outer conductor 511, to set up physical connection between described first outer conductor 511 and the second outer conductor 513 and electric connection.
Described base 53 is the column of a hollow, mode and described second wiring board 2 by welding (scolding tin 533 as shown in Figure 8) bottom it are welded to connect, thus the physical connection completed between this base 53 and described second wiring board 2 and electric connection.Described floating part 563 plugs together the base connecting hole 531 in described base 53, the opposite end of described elasticity spring silk 567 is individually fixed on described body 561 and floating part 563, and contact internal walls that is direct and described base connecting hole 531, thus the outer conductor path completed between described base 53 with described second wiring board 2 is connected.
Refer to Figure 10 and Figure 11, the plate that the fifth embodiment of the present invention provides is to plate radio frequency (RF) coaxial connector combination 500, the plate that the 4th embodiment shown in the present embodiment with Fig. 8 and Fig. 9 provides to the floating implementation of plate radio frequency (RF) coaxial connector combination 400 and mounting means all substantially identical, just the two structure slightly difference.Its difference is: the body 561 of described inner wire 56 is installed on described second wiring board 2 place by (1), and described base 53 is installed on described first line plate 1 place; (2) described base 53 includes welding pin 535, and this welding pin 535 is connected with cable inner wire 8 by the mode of welding.
Be specially, described dielectric 55 is anchored in described first outer conductor 511 by interference fit, described base 53 is the hollow column of one end open, it is placed in described first outer conductor 511, the floating part 563 of described inner wire 56 is aimed in one end of this base 53 opening, the other end plugs together with in described dielectric 55, and is fixed in this dielectric 55 by interference fit.Therefore, described first outer conductor 511, described base 53 and this dielectric 55 are linked and packed and are integrated, and so ensure that the relative position relation between this outer conductor 51 and described base 53.Described base 53 one end plugs together in described dielectric 55, and described welding pin 535 exposes this dielectric 55, then this welding pin 535 is connected with cable inner wire 8 by the mode of welding (scolding tin 81 as shown in Figure 10), to set up the connection between this cable inner wire 8 and described outer conductor 51.
Described second outer conductor 513 is hollow tube-shape body, its by an elastic electric conductor (as described in the second elastic electric conductor 6) with as described in the second wiring board 2 be electrically connected, and by a fixed structure piece as buckle, bolt and as described in elastic electric conductor be fixed in the lump as described on the second wiring board 2.The body 561 of described inner wire 56 is positioned at described second outer conductor 513, the pin 566 being positioned at described body 561 one end is welded to connect by the mode and described second wiring board 2 of welding (scolding tin 533 as shown in Figure 10), thus the physical connection completed between this inner wire 56 and described second wiring board 2 and electric connection.The opposite end of described elasticity spring silk 567 is individually fixed on described body 561 and floating part 563, and contact internal walls that is direct and described base connecting hole 531, thus complete the connection between described base 53 and described second wiring board 2.
Be appreciated that, one elastic electric conductor (as elastic electric conductor 3) can be set between described first outer conductor 511 and described second outer conductor 513, this elastic electric conductor is fixed on described first outer conductor 511, to set up physical connection between described first outer conductor 511 and the second outer conductor 513 and electric connection.
In sum, the radio frequency (RF) coaxial connector that each execution mode above-mentioned of the present invention provides, by inner wire being adopted the design of " spring needle-like " floating inner wire, this inner wire is designed with floating structure, elasticity spring silk is fixed on floating structure by mechanical means, this elasticity spring silk is for realizing the function of contact in prior art, not only achieve the Allowance Design of the inner wire of this radio frequency (RF) coaxial connector, and effectively can avoid the problem that contact damage occurs in assembling and use procedure, therefore its relatively existing scheme has higher application reliability.In addition, the seat end of described radio frequency (RF) coaxial connector adopts PCB mode to realize, and carries out seamless link, thus make this radio frequency (RF) coaxial connector have good EMC performance by welding manner and PCB.The moulding process of described radio frequency (RF) coaxial connector is simple, there is stronger designed reliability, and there is lower design join height (design height namely between described First Line version and described second wiring board), difference can be met and join radio frequency transmission requirement between high plate.
In the description of this specification, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present invention or example.In this manual, identical embodiment or example are not necessarily referred to the schematic representation of above-mentioned term.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.
Above disclosedly be only a kind of preferred embodiment of the present invention, certainly the interest field of the present invention can not be limited with this, one of ordinary skill in the art will appreciate that all or part of flow process realizing above-described embodiment, and according to the equivalent variations that the claims in the present invention are done, still belong to the scope that invention is contained.
Claims (10)
1. a radio frequency (RF) coaxial connector, it is for transmitting radio frequency signal, it is characterized in that, described radio frequency (RF) coaxial connector comprises outer conductor, base, dielectric and inner wire, described dielectric is anchored in described outer conductor, one end of described inner wire is fixed on described outer conductor by described dielectric, the other end is positioned at described base, described inner wire comprises body, floating part, tube connector and some elasticity spring silks, described body is anchored in described dielectric, described floating part is connected by described tube connector with described body, the opposite end of described elasticity spring silk is individually fixed on described body and described floating part, to set up the path of radio signal transmission, described elasticity spring silk generation strain with in the horizontal direction and short transverse realize position of related features compatibility, described floating part is positioned at described base, and by deflecting the radial disbalance calibrating this radio frequency (RF) coaxial connector.
2. radio frequency (RF) coaxial connector as claimed in claim 1, it is characterized in that, the bottom of described outer conductor offers a through hole, described floor installation is in one end relative to through hole of described outer conductor, described base is offered a base connecting hole, this base connecting hole is a rigidity hole, and its hole inwall is rigid contact surfaces, described floating part plugs together in the base connecting hole of described base, described elasticity spring silk directly with the contact internal walls of described base connecting hole.
3. radio frequency (RF) coaxial connector as claimed in claim 1, it is characterized in that, described outer conductor is divided into the first outer conductor and the second outer conductor that are arranged above and below, described dielectric is anchored in described first outer conductor, the body of described inner wire plugs together and is fixed in this dielectric, to ensure the relative position relation between this outer conductor and described inner wire.
4. radio frequency (RF) coaxial connector as claimed in claim 3, it is characterized in that, described second outer conductor is hollow tube-shape body, an elastic electric conductor is provided with between described first outer conductor and described second outer conductor, described floor installation is in described second outer conductor, the floating part of described inner wire plugs together the base connecting hole in described base, and the opposite end of described elasticity spring silk is individually fixed on described body and described floating part, and contact internal walls that is direct and described base connecting hole.
5. radio frequency (RF) coaxial connector as claimed in claim 1, it is characterized in that, described outer conductor is divided into the first outer conductor and the second outer conductor that are arranged above and below, described dielectric is anchored in described first outer conductor, described base is placed in described first outer conductor, the floating part of described inner wire is aimed in one end of this base, and the other end is fixed in this dielectric, to ensure the relative position relation between this outer conductor and described base.
6. radio frequency (RF) coaxial connector as claimed in claim 5, it is characterized in that, described second outer conductor is hollow tube-shape body, the body of described inner wire is positioned at described second outer conductor, between described first outer conductor and described second outer conductor, an elastic electric conductor is set, this elastic electric conductor is fixed on described first outer conductor, to set up physical connection between described first outer conductor and the second outer conductor and electric connection.
7. radio frequency (RF) coaxial connector as claimed in claim 1, it is characterized in that, described tube connector is riveting pipe, and described elasticity spring silk is symmetrical along the central shaft of described inner wire.
8. radio frequency (RF) coaxial connector as claimed in claim 1, it is characterized in that, described outer conductor is made of copper, and described dielectric is made up of polytetrafluoroethylene, and described elasticity spring silk is made up of high-elasticity copper alloy material, and gold-plated process is carried out on the surface of this elasticity spring silk.
9. a plate combines plate radio frequency (RF) coaxial connector, it comprises two wiring boards be parallel to each other, it is characterized in that, described plate combines the multiple radio frequency (RF) coaxial connectors also comprised according to any one of claim 1-8 to plate radio frequency (RF) coaxial connector, multiple described radio frequency (RF) coaxial connector is electrically connected between described wiring board, to set up the transmission channel of multi-channel rf signal.
10. plate as claimed in claim 9 combines plate radio frequency (RF) coaxial connector, it is characterized in that, when there is relative displacement in the horizontal direction in two wiring boards be parallel to each other, described elasticity spring silk generation strain, described floating part deflects and realizes radial compensation, described floating part is supported by the inwall of described base connecting hole and strain occurs, compatible to realize position of related features in the horizontal direction.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510395188.9A CN105098542B (en) | 2015-07-03 | 2015-07-03 | Radio frequency (RF) coaxial connector and plate combine to plate radio frequency (RF) coaxial connector |
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| CN201510395188.9A CN105098542B (en) | 2015-07-03 | 2015-07-03 | Radio frequency (RF) coaxial connector and plate combine to plate radio frequency (RF) coaxial connector |
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| CN105098542A true CN105098542A (en) | 2015-11-25 |
| CN105098542B CN105098542B (en) | 2017-11-17 |
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| CN201510395188.9A Active CN105098542B (en) | 2015-07-03 | 2015-07-03 | Radio frequency (RF) coaxial connector and plate combine to plate radio frequency (RF) coaxial connector |
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| CN105634536A (en) * | 2016-01-11 | 2016-06-01 | 中国电子科技集团公司第十研究所 | Radio-frequency vertical connection circuit between two-dimensional millimeter wave modules |
| CN106785740A (en) * | 2016-11-30 | 2017-05-31 | 中航光电科技股份有限公司 | Printed board and radio-frequency contact part attachment structure and connector, contact, printed board |
| CN107611730A (en) * | 2017-08-30 | 2018-01-19 | 上海航天科工电器研究院有限公司 | It is a kind of to be used to realize the RF coaxial structure for exempting from weldering perpendicular interconnection with pcb board |
| CN107611729A (en) * | 2017-08-30 | 2018-01-19 | 上海航天科工电器研究院有限公司 | For exempting from the radio frequency resilient contact structure of weldering interconnection |
| US11196182B1 (en) | 2020-06-09 | 2021-12-07 | Raytheon Company | Radio frequency circuit board interconnect assembly |
| CN114824960A (en) * | 2022-03-31 | 2022-07-29 | 上海精积微半导体技术有限公司 | High-quality signal transmission high-frequency connection structure based on double-floating structure |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105634536A (en) * | 2016-01-11 | 2016-06-01 | 中国电子科技集团公司第十研究所 | Radio-frequency vertical connection circuit between two-dimensional millimeter wave modules |
| CN106785740A (en) * | 2016-11-30 | 2017-05-31 | 中航光电科技股份有限公司 | Printed board and radio-frequency contact part attachment structure and connector, contact, printed board |
| CN106785740B (en) * | 2016-11-30 | 2019-07-26 | 中航光电科技股份有限公司 | Printed board and radio-frequency contact part connection structure and connector, contact, printed board |
| CN107611730A (en) * | 2017-08-30 | 2018-01-19 | 上海航天科工电器研究院有限公司 | It is a kind of to be used to realize the RF coaxial structure for exempting from weldering perpendicular interconnection with pcb board |
| CN107611729A (en) * | 2017-08-30 | 2018-01-19 | 上海航天科工电器研究院有限公司 | For exempting from the radio frequency resilient contact structure of weldering interconnection |
| US11196182B1 (en) | 2020-06-09 | 2021-12-07 | Raytheon Company | Radio frequency circuit board interconnect assembly |
| US11682848B2 (en) | 2020-06-09 | 2023-06-20 | Raytheon Company | Radio frequency circuit board interconnect assembly |
| CN114824960A (en) * | 2022-03-31 | 2022-07-29 | 上海精积微半导体技术有限公司 | High-quality signal transmission high-frequency connection structure based on double-floating structure |
| WO2023185164A1 (en) * | 2022-03-31 | 2023-10-05 | 上海航天科工电器研究院有限公司 | High-quality signal transmission high-frequency connection structure based on double-floating structure |
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| CN105098542B (en) | 2017-11-17 |
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Effective date of registration: 20211223 Address after: 450046 Floor 9, building 1, Zhengshang Boya Plaza, Longzihu wisdom Island, Zhengdong New Area, Zhengzhou City, Henan Province Patentee after: xFusion Digital Technologies Co., Ltd. Address before: 518129 Bantian HUAWEI headquarters office building, Longgang District, Guangdong, Shenzhen Patentee before: HUAWEI TECHNOLOGIES Co.,Ltd. |