CN209266734U - Female end signal transmission module with metal shielding board - Google Patents

Abstract

The utility model discloses a kind of female end signal transmission module with metal shielding board, including signal transmission module and the metal shielding board being fixed on signal transmission module, above-mentioned signal transmission module includes module housing, signal transmission reed and plastic packaging module, multiple spill cavitys are offered in above-mentioned module housing, above-mentioned signal transmission reed is mounted in concave shaped cavity body, above-mentioned plastic packaging module and spill cavity correspond, and are covered on above-mentioned spill cavity and close spill cavity；It is linked together between plastic packaging module on adjacent above-mentioned spill cavity by transverse bar, and the both ends of above-mentioned plastic packaging module are nearby respectively connected with transverse bar；More than two bulge-structures are arranged at intervals in a side of above-mentioned metal shielding board.Female end signal transmission module in the utility model with metal shielding board is applied in high-speed differential signal connector, can reduce interfering with each other between Difference signal pair as much as possible, shorten return flow path.

Description

Female end signal transmission module with metal shielding board

Technical field

The utility model relates to high-speed-differential connector technique fields, and in particular to a kind of female end letter with metal shielding board Number transmission module.

Background technique

At present in high-speed differential signal connector, the return flow path in transmission link around differential signal is connected by multiple spot It connects and interconnects realization between metal screen to shorten return flow path and pass through, spacing is consistent between metal and metal It needs to assist other structures, complex process is not easy to control.

In current high-speed differential signal connector, due to the limitation of its structure, the crosstalk between signal is serious, differential signal It interferes with each other, the final laser propagation effect for influencing signal connector.

Utility model content

The purpose of this utility model is to provide a kind of female end signal transmission module with metal shielding board is solved due to letter The structure of plastic packaging module in number transmission module be easy to cause installation not convenient enough, is easy to influence that crosstalk occurs between signal pair, And the problem that return flow path between signal pair is big.

In order to solve the above technical problems, the utility model uses following technical scheme:

A kind of female end signal transmission module with metal shielding board, including signal transmission module transmit mould with signal is fixed on Metal shielding board on block, above-mentioned signal transmission module include module housing, signal transmission reed and plastic packaging module, above-mentioned module Multiple spill cavitys are offered on shell, above-mentioned signal transmission reed is mounted in concave shaped cavity body, above-mentioned plastic packaging module and spill Cavity corresponds, and is covered on above-mentioned spill cavity and closes spill cavity, and signal transmission reed is made to form closed letter Number channel；It is linked together between plastic packaging module on adjacent above-mentioned spill cavity by transverse bar, and above-mentioned plastic packaging module Both ends are nearby respectively connected with transverse bar；More than two bulge-structures are arranged at intervals in a side of above-mentioned metal shielding board, And salient point is provided with above above-mentioned bulge-structure, above-mentioned bulge-structure is raised towards the outside of metal shielding board.

Preferably, being arranged between two transverse bars at above-mentioned plastic packaging module both ends in 90 degree of directions, and above-mentioned module Groove compatible with above-mentioned transverse bar is provided on shell.

Preferably, above-mentioned spill cavity is distributed according to the differential signal wiring path of signal transmission reed, above-mentioned spill The cavity edge of cavity and the difference track edge of differential signal transmission reed have interval.

Preferably, above-mentioned difference wiring path is to extend to the adjacent of the module housing from a side of module housing Side edge, and the contact terminal of above-mentioned signal transmission reed stretches to the outside of module housing.

Preferably, two above-mentioned signal transmission reed composition differential pairs are mounted in the same concave shaped cavity body, and every Two signals transmission reed in a differential pair is symmetrical set.

Preferably, above-mentioned bulge-structure is located at when above-mentioned metal shielding board is mounted on above-mentioned signal transmission module Between the adjacent Difference signal pair of signal transmission module.

Preferably, the surface of above-mentioned module housing is covered with electroplated layer.

Preferably, offering on side of the above-mentioned module housing far from above-mentioned signal transmission switch jaw contact terminal for pacifying The shielding part mounting groove of shielding part is filled, is provided with bending protrusion, above-mentioned bending on above-mentioned metal shielding board at corresponding position Protrusion is adapted with above-mentioned shielding part mounting groove, and the protrusion side of the overbending direction of above-mentioned bending protrusion and above-mentioned bridge structure To opposite.

Preferably, the end that shielding part mounting groove is arranged in above-mentioned module housing is provided with installation protrusion.

Preferably, one end opposite with bending protrusion on above-mentioned metal shielding board is arranged at intervals with for solid with pedestal Determine, the protruding teeth of conducting, is provided in a side of above-mentioned metal shielding board for " L " type latch fixed with pedestal.

Compared with prior art, the utility model has the beneficial effects that

In the utility model, by the module housing in the female end signal transmission module of high-speed differential signal connector Multiple spill cavitys are set, which is distributed according to difference wiring path and signal transmission reed is fixed on spill cavity It is interior, to form closed signal path, the plating of spill cavity is finally made to be distributed in three faces of differential signal transmission surrounding, Interfering with each other between Difference signal pair can be reduced.

Another aspect the utility model is defined the structure of plastic packaging module, is on the one hand to by the setting of transverse bar On the other hand convenience when installation preferably fixed signal can transmit the differential pair that reed is constituted, be further reduced difference Signal cross-talk between.

In the utility model, after metal shielding board is fixed with female end signal transmission module, multiple female end signals are passed Defeated module will do it laid out in parallel, can make to realize between metal shielding board and the shielding shell of adjacent female end signal transmission module Multiple spot connection, to shorten return flow path.

Bulge-structure in the utility model can form ground hole around telltale hole, and be located at signal differential to two-by-two Between, to reduce the crosstalk between signal.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model.

Fig. 2 is the structural schematic diagram of the signal transmission module of the utility model.

Fig. 3 is the structural schematic diagram of the module housing of the utility model.

Fig. 4 is that the signal of the utility model transmits the structural schematic diagram that reed is mounted on module housing.

Fig. 5 is the structural schematic diagram of the metal shielding board of the utility model.

Fig. 6 is the plastic packaging module of the utility model and the structural schematic diagram of transverse bar.

The metal screen and the overall structure diagram after the installation of female end signal transmission module that Fig. 7 is the utility model.

Specific embodiment

In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain The utility model is not used to limit the utility model.

For one embodiment of the utility model, referring to Fig. 1,2,5, a kind of female end signal transmission with metal shielding board Module, including signal transmission module and the metal shielding board 200 being fixed on signal transmission module, metal shielding board 200 is installed On signal transmission module, differential signal can be shielded, while by the setting of metal shielding board, further shortened back Flow path.

Above-mentioned signal transmission module includes module housing 101, signal transmission reed 102 and plastic packaging module 103, above-mentioned module Multiple spill cavitys 104 are offered on shell 101, above-mentioned signal transmission reed 102 is mounted in spill cavity 104, above-mentioned modeling It seals module 103 and spill cavity 104 corresponds, and be covered on above-mentioned spill cavity 104 and close spill cavity 104, make Signal transmission reed 102 forms closed signal path；Due to being provided in module housing 101 in the signal transmission module Spill cavity, and be fixed in concave shaped cavity body by the Difference signal pair that signal transmission reed 102 forms, module housing is carried out After plating so that the plating of spill cavity is distributed in three faces of differential signal transmission surrounding, can reduce Difference signal pair it Between interfere with each other.

It is linked together between plastic packaging module 103 on adjacent above-mentioned spill cavity 104 by transverse bar 107, and above-mentioned The both ends of plastic packaging module 103 are nearby respectively connected with transverse bar 107.For the transverse bar 107 in the plastic packaging module 103, each is recessed Plastic packaging module compatible with the spill cavity 104 is provided on shape cavity 104, in order to embody the stabilization after structure assembling Property, therefore the plastic packaging module on each spill cavity 104 is linked together by transverse bar 107, and the two of plastic packaging module 103 End is nearby provided with transverse bar and is connected and fixed, and the convenient differential pair constituted to signal transmission reed 102 carries out stablizing fixation, together The convenience of Shi Shixian structure installation and integrally-built stability.

More than two bulge-structures 206 are arranged at intervals in a side of above-mentioned metal shielding board 200, and above-mentioned convex The top for playing structure 206 is provided with salient point 207, and above-mentioned bulge-structure 206 is raised towards the outside of metal shielding board 200.This is convex Playing structure 206 is in a side of barricade main body 200, is the protrusion for amplifying formation upwards on the side, salient point is used for It is contacted with adjacent signal transmission module.In the present embodiment, when metal shielding board and male end signal transmission module or mother After end signal transmission module is fixed, multiple signal transmission modules will do it laid out in parallel, and bulge-structure 206 can make metal Realize that multiple spot is connected between barricade and the shielding shell of adjacent signal transmission module, to shorten return flow path.

Fig. 3 shows the structural schematic diagram of module housing 101, and according to the display of module housing 101, spill cavity 104 is set It sets on the surface of module housing 101, and spill cavity 104 is presented curved channel-shaped, and the spill cavity 104 is from module A side of shell 101 is extended towards adjacent a side.

Fig. 4 shows that signal transmission reed 102 is mounted on the structural schematic diagram in module housing 101, when signal transmits spring When piece 102 is mounted in spill cavity 104, signal transmits reed 102 to be installed along the direction of spill cavity 104.When installation, modeling It is two pieces that envelope module 103, which is divided to, and signal transmits 102 every two of reed and forms a differential pair, installs a signal transmission reed 102 Afterwards just cover one piece of plastic packaging module 103 so that between the same differential pair two signals transmission reed 102 formed away from From convenient for forming cooperation with the contact pin of male end.

Further, for another embodiment of the utility model, on the basis of the above embodiments, above-mentioned plastic sealed mould Be arranged between two transverse bars 107 at 103 both ends of block in 90 degree directions, and be provided in above-mentioned module housing 101 with it is above-mentioned The compatible groove 108 of transverse bar 107.

The connection structure of plastic packaging module 103 and transverse bar 107 is shown in Fig. 6, as seen from Figure 6, in the embodiment In, three plastic packaging modules 103 are respectively provided with corresponding to three spill cavitys 104, by two in 90 in plastic packaging module 103 Plastic packaging module 103 is connected to become an entirety by the transverse bar 107 of degree direction setting, and when installation only needs will according to corresponding position The plastic packaging module 103 being linked together by transverse bar 107 covers on spill cavity 104, and stabilized structure is easy for installation, simultaneously In order to be bonded transverse bar 107 also more with module housing 101, therefore it is provided in module housing 101 and is adapted with transverse bar 107 Groove 108；In addition to all grooves opened up or concave shaped cavity body is enable to reduce between Difference signal pair to the maximum extent Interfere with each other, therefore preferably two transverse bars 107 in plastic packaging module 103 are arranged in 90 degree directions, avoid arbitrarily slotting Influence the crosstalk between signal.

Further, for another embodiment of the utility model, on the basis of the above embodiments, above-mentioned concave shaped cavity Body 104 is distributed according to the differential signal wiring path of signal transmission reed 102, the cavity edge and difference of above-mentioned spill cavity 104 The difference track edge that sub-signal transmits reed 102 has interval.Above-mentioned difference wiring path is from the side of module housing 101 While extending to the adjacent side edge of the module housing 101, and the contact terminal 1021 of above-mentioned signal transmission reed 102 stretches to The outside of module housing 101.Since signal transmission reed 102 will carry out signal transmitting, then signal transmits the both ends of reed 102 all Signal transmission may be carried out with other structures, therefore according to the transmission principle of signal connector, signal transmits reed 102 and arc is presented Shape bending setting, therefore difference wiring path is to extend to the adjacent of the module housing 101 from a side of module housing 101 Side edge, the contact terminal 1021 to make signal transmit reed 102 are cooperated with male end contact pin, and signal transmits reed 102 Contact terminal 1021 stretches to the outside of module housing 101.Cavity is distributed according to differential path in the present embodiment, on the one hand as far as possible Shorten return flow path, reduce crosstalk between differential signal, on the other hand, spill cavity and differential signal guarantee certain distance, be for Preferably carry out impedance matching.

Further, for another embodiment of the utility model, on the basis of the above embodiments, two above-mentioned letters Number transmission reed 102 forms differential pair and is mounted in the same spill cavity 104, and two signals in each differential pair pass Defeated reed 102 is symmetrical set.In the present embodiment, in order to be cooperated with the contact pin in Male end connector, therefore it is same recessed Need to fix two signal transmission reeds 102 in shape cavity 104, and two signal transmission reeds 102 form differential pair and are used for Cooperated with the contact pin of male end, the contact terminal that signal transmission reed 102 is matched with male end contact pin is in opposite waveform Bending setting, and signal transmission is carried out with male end contact pin.

Further, for one embodiment of the utility model, on the basis of the above embodiments, when above-mentioned metal screen When shield plate 200 is mounted on above-mentioned signal transmission module, above-mentioned bulge-structure 206 is located at the adjacent difference letter of signal transmission module Number between.As shown in fig. 7, when the bulge-structure on metal shielding board is mounted on signal transmission module, the bulge-structure 207 Ground hole 208 is formed between signal differential is to 301, therefore bulge-structure should be located at the adjacent difference letter of signal transmission module Number between, to reduce the crosstalk between signal.

Further, for another embodiment of the utility model, on the basis of the above embodiments, outside above-mentioned module The surface of shell 101 is covered with electroplated layer.Electroplated layer can be the metal material of the conduction such as electronickelling, gold, silver, copper；In addition to mould Block shell 101 can also be taken the case where not being electroplated, and metallic fiber is such as added in module housing, and adding graphite etc., all can make The conductive appropriate materials of module housing 101；After plating, the plating of spill cavity is distributed in transmission on module housing 101 surface Three faces of differential signal surrounding shield the signal interference between Difference signal pair；Go out additionally, due to signals transmission metal Existing skin effect, module housing 101 be electroplated after can approximation regard metal as, be centered around around differential signal, returned as differential signal Flow path reduces the interference of Difference signal pair therebetween, shortens signal return flow path.

Further, for another embodiment of the utility model, on the basis of the above embodiments, outside above-mentioned module Shell 101 offers the shielding part installation for installing shielding part on the side far from above-mentioned signal transmission 102 contact terminal of reed Slot 105, is provided with bending protrusion 203 on above-mentioned metal shielding board 200 at corresponding position, above-mentioned bending protrusion 203 with it is upper It states shielding part mounting groove 105 to be adapted, and the protrusion of the overbending direction of above-mentioned bending protrusion 203 and above-mentioned bridge structure 201 It is contrary.When metal screen 200 is mounted in module housing 101, the bending protrusion 203 of metal screen 200 is just It is inserted into the shielding part mounting groove 105 in module housing 101, can enable metal screen 200 is more firm to be fixed on In module housing 101, metal can be regarded as after being electroplated due to module housing 101, the setting of the structure can also ensure that mould Multiple spot is connected between block shell 101 and metal screen 200.

Further, for another embodiment of the utility model, on the basis of the above embodiments, outside above-mentioned module The end that shielding part mounting groove 105 is arranged on shell 101 is provided with installation protrusion 106.In the present embodiment, setting installation protrusion 106 Convenient for female end progress transmission module is mounted on female end pedestal and is clamped by tail card.

Further, for another embodiment of the utility model, on the basis of the above embodiments, above-mentioned metal screen One end opposite with bending protrusion 203 is arranged at intervals with the protruding teeth 204 for fixing, being connected with pedestal in shield plate 200, above-mentioned It is provided in a side of metal shielding board 200 for " L " the type latch 205 fixed with pedestal.Protruding teeth in the present embodiment It is mainly used for being fixed with pedestal and is connected with pedestal, " L " type latch is to be fixed with pedestal.

" one embodiment ", " another embodiment ", " embodiment ", " preferred implementation spoken of in the present specification Example " etc., referring to combining specific features, structure or the feature of embodiment description includes describing extremely in the application generality In few one embodiment.It is not centainly to refer to the same embodiment that statement of the same race, which occur, in multiple places in the description.Into one For step, when describing a specific features, structure or feature in conjunction with any embodiment, what is advocated is to combine other implementations Example realizes that this feature, structure or feature are also fallen in the scope of the utility model.

Although reference be made herein to the utility model is described in multiple explanatory embodiments of the utility model, still, It should be understood that those skilled in the art can be designed that a lot of other modification and implementations, these modifications and implementations It will fall within scope and spirit disclosed in the present application.More specifically, it discloses in the application, drawings and claims In range, can building block to theme combination layout and/or layout carry out a variety of variations and modifications.In addition to building block And/or outside the modification and improvement of layout progress, to those skilled in the art, other purposes also be will be apparent.

Claims (7)

1. a kind of female end signal transmission module with metal shielding board, it is characterised in that: including signal transmission module and be fixed on Metal shielding board (200) on signal transmission module,

The signal transmission module includes module housing (101), signal transmission reed (102) and plastic packaging module (103),

Multiple spill cavitys (104) are offered on the module housing (101), signal transmission reed (102) is mounted on recessed In shape cavity (104), the plastic packaging module (103) and spill cavity (104) are corresponded, and are covered in the spill cavity (104) spill cavity (104) are closed on, signal transmission reed (102) is made to form closed signal path；

It is linked together between plastic packaging module (103) on the adjacent spill cavity (104) by transverse bar (107), and institute The both ends for stating plastic packaging module (103) are nearby respectively connected with transverse bar (107)；

More than two bulge-structures (206) are arranged at intervals in a side of the metal shielding board (200), and described convex It rises and is provided with salient point (207) above structure (206), the outside of bulge-structure (206) towards the metal shielding board (200) is convex It rises.

2. the female end signal transmission module according to claim 1 with metal shielding board, it is characterised in that: the plastic sealed mould In 90 degree of direction settings between two transverse bars (107) at block (103) both ends, and it is provided in the module housing (101) The compatible groove (108) with the transverse bar (107).

3. the female end signal transmission module according to claim 1 with metal shielding board, it is characterised in that: the concave shaped cavity Body (104) is distributed according to the differential signal wiring path of signal transmission reed (102), the cavity side of the spill cavity (104) The difference track edge of edge and differential signal transmission reed (102) has interval.

4. the female end signal transmission module according to claim 3 with metal shielding board, it is characterised in that: the difference is walked Thread path is the adjacent side edge that the module housing (101) is extended to from a side of module housing (101), and the letter The contact terminal (1021) of number transmission reed (102) stretches to the outside of module housing (101).

5. the female end signal transmission module according to claim 1 with metal shielding board, it is characterised in that: two letters Number transmission reed (102) composition differential pair is mounted in the same spill cavity (104), and two letters in each differential pair Number transmission reed (102) is symmetrical set.

6. the female end signal transmission module according to claim 1 with metal shielding board, it is characterised in that: when the metal When barricade (200) is mounted on the signal transmission module, it is adjacent that the bulge-structure (206) is located at signal transmission module Between Difference signal pair.

7. the female end signal transmission module described in any one with metal shielding board, feature exist according to claim 1~6 In: the surface of the module housing (101) is covered with electroplated layer.