CN209418906U - Electrical connector apparatus - Google Patents

Abstract

The utility model discloses a kind of electrical connector apparatus, modular structure including multiple overlapping arrangements, shield assembly is provided in each modular structure, it is attached among shield assembly on adjacent modular structure by intermediate connector, above-mentioned intermediate connector includes the contact connector that plastic cement is electroplated shell and is arranged at intervals in plastic cement plating shell, there is the connecting terminal being connected with shield assembly on above-mentioned contact connector, wherein a shield assembly is in contact with above-mentioned plastic cement plating shell, adjacent shield assembly is in contact with the connecting terminal on above-mentioned contact connector.Shield assembly in adjacent signal transmission module can be attached by intermediate connector by the way that intermediate connector is arranged between two modules, realize the conducting of the shield assembly on adjacent block, so as to shorten return flow path and reduce crosstalk by the utility model.

Description

Electrical connector apparatus

Technical field

The utility model relates to connector technique fields, and in particular to a kind of electrical connector apparatus.

Background technique

Huafeng Enteriprises Co., Ltd., Sichuan is that one under the holding Group Co., Ltd of Sichuan Changhong's electronics endeavours It is domestic history longest, largest, kind is most, research and development ability is most strong, core technology in the research and development and production of electric connector Most electric connector developments and manufacturing enterprise are Chinese electric connector scientific research and production base, electric interconnecting devices industry association, China It can technique center, electric interconnecting devices employer's organization, China president's unit, the country IEC/TC48 and SC48, International Organization for standardization Technical centralized unit, company rank among element enterprise, China Electronics list of top 100 for continuous 21 years, and a provincial technology is had in company Center, Liang Ge research institute, five professional technological experiment rooms, product design, tool and mould design and manufacture, electricity with internal class Plating and detection technique.The New connector research and development task for undertaking national key scientific research projects for a long time, has filled up state's female connector neck The multinomial blank in domain.All kinds of connector descriptions that company develops are more than more than 50,000, in military affairs, communication, industry, automobile etc. Field is widely applied, and has been exported to the developed countries and regions such as Germany, Britain, France, the U.S., Finland, Russia.

High speed connector is widely used in the communication technology, it is large-scale communication apparatus, very-high performance server and huge meter The common a kind of connector of calculation machine, industrial computer, high-end storage equipment, main function is connecting single board and backboard, veneer At 90 degree of vertical structures between backboard, high-speed differential signal or single-ended signal and transmitting high current are transmitted.

With the continuous improvement of the communication technology, the requirement for message transmission rate and transmission quality is also higher and higher.Mesh For preceding existing high speed connector due to the limitation of structure each in connector, it is more serious to occur crosstalk between signal, influences data Transmission quality.

In addition, the connector of some models is since the spacing between two modules is larger, the shielding group of adjacent block Part can not be contacted directly, be easy to cause return flow path big, the serious problem of crosstalk.

Utility model content

The purpose of this utility model is to provide a kind of electrical connector apparatus, solve due to the spacing between two modules compared with Greatly, therefore the shield assembly of adjacent block can not be contacted directly, be easy to cause return flow path big, the serious problem of crosstalk.

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

A kind of electrical connector apparatus, the modular structure including multiple overlapping arrangements are provided with screen in each modular structure Component is covered, is attached among the shield assembly on adjacent modular structure by intermediate connector, above-mentioned intermediate connector includes Plastic cement plating shell and the contact connector being arranged at intervals in plastic cement plating shell, have on above-mentioned contact connector and shielding The connecting terminal that component is connected, wherein a shield assembly and above-mentioned plastic cement plating shell are in contact, adjacent shield assembly with Connecting terminal on above-mentioned contact connector is in contact.

Preferably, there are multiple spaced ground terminals on shield assembly in one of modular structure, and And corresponds to ground terminal on the shield assembly on the adjacent modular structure and be provided with the first elastic construction, above-mentioned first elasticity Structure is in contact with the plastic cement of intermediate connector plating shell, and the ground terminal on adjacent shields component connects with connecting terminal Touching.

Preferably, the connecting terminal on above-mentioned intermediate connector is divided into multiple groups and corresponding with above-mentioned ground terminal, often There are two group connecting terminal tools, and is oppositely arranged.

Preferably, above-mentioned modular structure includes signal transmission module, between above-mentioned signal transmission module and shield assembly Plastic packaging is carried out by secondary plastic plate, is provided with multiple T-type columns, above-mentioned signal transmission module and shielding on above-mentioned secondary plastic plate Through-hole compatible with above-mentioned T-type column is provided on component.

Preferably, above-mentioned signal transmission module includes plastic packaging shell and difference signal terminal, above-mentioned difference signal terminal It is alternatively arranged in pairs and plastic packaging is in plastic packaging shell, be arranged on above-mentioned plastic packaging shell along the wiring path of difference signal terminal There is cavity, and difference signal terminal is exposed to outside.

Preferably, above-mentioned shield assembly includes the first shielding part and secondary shielding part, above-mentioned secondary shielding part is by leading It is fixed on the first shielding part to column, above-mentioned first elastic construction is arranged on secondary shielding part, and above-mentioned ground terminal is located at upper It states on the first shielding part, and forms Y type connection knot between above-mentioned secondary shielding part and the ground terminal of above-mentioned first shielding part Structure.

Preferably, above-mentioned first shielding part includes that the shield body being adapted to signal transmission module size and setting exist It is adjacent that the ground connection tail portion of shield body side, above-mentioned ground terminal and above-mentioned ground connection tail portion are located at above-mentioned shield body Two sides.

Preferably, above-mentioned ground terminal is arranged at intervals with multiple, and it is located between adjacent signal terminal, on The quantity for stating the first elastic construction is consistent with the quantity of above-mentioned ground terminal and correspond.

Preferably, the side of each first elastic construction is also set up there are two extending direction phase on above-mentioned secondary shielding part The second same elastic construction, and two above-mentioned second elastic constructions are located in different bar shaped grooves.

Preferably, raised frame is provided at the side edge of above-mentioned secondary shielding part, above-mentioned protrusion frame and adjacent shields group The side edge of secondary shielding part in part is in contact, and the raised frame installation site on adjacent above-mentioned shield assembly is opposite.

Compared with prior art, the beneficial effects of the utility model are at least one of following:

1, the utility model is by being arranged intermediate connector between two modules, can will be in adjacent signal transmission module Shield assembly be attached by intermediate connector, realize adjacent block on shield assembly conducting, so as to shorten reflux Path simultaneously reduces crosstalk.

2, the connecting terminal in the intermediate connector in the utility model is arranged there are two and is oppositely arranged, and compares and sets For setting a connecting terminal, there is shorter return flow path.

3, the utility model combines the shield assembly to be formed using the first shielding part and secondary shielding part, and in shielding group Corresponding position setting elastic construction and ground Wiring structure in part pass through elastic construction on shield assembly and adjacent shielding group Ground Wiring structure on part mutually overlaps, as far as possible shortening return flow path, improves the crosstalk between differential pair.

Detailed description of the invention

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

Fig. 2 is the modular structure schematic diagram of an embodiment of the present invention.

Fig. 3 is the modular structure schematic diagram of another embodiment of the utility model.

Fig. 4 is the structural schematic diagram of one of Fig. 2 of the utility model intermediate connector.

Fig. 5 is the structural schematic diagram of another intermediate connector in Fig. 2 of the utility model.

Fig. 6 is the structural schematic diagram of one of Fig. 3 of the utility model intermediate connector.

Fig. 7 is the structural schematic diagram of another intermediate connector in Fig. 3 of the utility model.

Fig. 8 is the schematic diagram of the individual module structure of the utility model.

Fig. 9 is the structural schematic diagram of the signal transmission module of the utility model.

Figure 10 be the utility model shield assembly at a distance from signal lead schematic diagram.

Figure 11 is the structural schematic diagram of the secondary plastic plate of the utility model.

Figure 12 is the structural schematic diagram of the shield assembly of the utility model.

Figure 13 is the structural schematic diagram of first shielding part of the utility model.

Figure 14 is the structural schematic diagram of the secondary shielding part of 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.

Fig. 1 shows the combining structure schematic diagram of modular structure and installation pedestal in the high speed connector, in the high speed In connector, modular structure is plugged on the inside of installation pedestal 40, this modular structure is used as after being mounted in installation pedestal 40 should The terminative connector of high speed connector, terminative connector is then mating with Male end connector, ultimately forms complete connection Device structure.

Fig. 2,3 show the connection type of shield assembly in high speed connector modular structure between adjacent modular structure, As can be seen that a kind of high speed connector, including signal transmission module 10 and is arranged on signal transmission module 10 from Fig. 2,3 Shield assembly 20 is connected between the shield assembly 20 in adjacent signal transmission module 10 by intermediate connector 50.By Intermediate connector 50 is set between two modules, the shield assembly in adjacent signal transmission module can be passed through intermediate connector It is attached, realizes the conducting of the shield assembly on adjacent block, so as to shorten return flow path and reduce crosstalk.

With reference to Fig. 4~7, it is shown that the structural schematic diagram of various forms of intermediate connectors, above-mentioned intermediate connector 50 wrap The contact connector 502 for including plastic cement plating shell 501 and being arranged at intervals in plastic cement plating shell 501, above-mentioned contact connector There is the connecting terminal 5021 being connected with shield assembly 20, wherein shell is electroplated with above-mentioned plastic cement in a shield assembly 20 on 502 501 are in contact, and adjacent shield assembly 20 is in contact with the connecting terminal 5021 on above-mentioned contact connector 502.By this Mode so as to shorten return flow path and reduces so that adjacent shield assembly will not far be unable to contact conducting because of distance Crosstalk.

With multiple spaced ground terminals 213 on shield assembly 20 in one of modular structure, and Correspond to ground terminal 213 on shield assembly 20 on the adjacent modular structure and is provided with the first elastic construction 201, above-mentioned first Elastic construction 201 is in contact with the plastic cement of intermediate connector 50 plating shell 501, the ground terminal on adjacent shields component 20 213 are in contact with connecting terminal 5021.So that shield assembly in adjacent signal transmission module by intermediate connector into Row conducting, so as to shorten return flow path and reduces crosstalk.

Connecting terminal 5021 on above-mentioned intermediate connector 50 divides for multiple groups and corresponding with above-mentioned ground terminal 213, often There are two the group tools of connecting terminal 5021, and is oppositely arranged.In order to further shorten return flow path, reduce between differential signal Crosstalk, in comparison, with shorter return flow path when connecting terminal is arranged two than connecting terminal setting one.

Even closer in order to cooperate intermediate connector and entire connector, connection is more stable, in installation modular structure Female end installation pedestal 40 in be provided with the snap-in structure being mutually clamped with intermediate connector.

Fig. 8 shows that the structural schematic diagram of individual module, Fig. 9 show the structural schematic diagram of signal transmission module, reference Fig. 8, Fig. 9 are arranged at intervals with difference signal terminal 101 in above-mentioned signal transmission module 10, and difference signal terminal 101 is pairs of It is alternatively arranged and plastic packaging is inside plastic packaging shell 102, include differential pairs pins in the difference signal terminal 101 occurred in pairs 104, differential pair ontology 105 and differential pair contact tail portion 106, and differential pairs pins 104 and differential pair contact tail portion 106 are respectively set At the both ends of differential pair ontology 105, and differential pairs pins 104 are plugged with Male end connector structure；

The wiring path of difference signal terminal 101 is provided with cavity 103 on above-mentioned plastic packaging shell 102, and by difference Signal terminal 101 is exposed to outer.Cavity is set along the wiring path of difference signal terminal on the plastic packaging shell 102, it can Raw material are saved, module strength is increased；The cavity exposes cabling simultaneously, can carry out air insulated and matching impedance, mention The signal transmission performance of high connector.

The path that difference signal terminal 101 is covered is differential signal cabling, in order to guarantee shield assembly 20 and difference letter The distance between number cabling guarantees routing region impedance consistency, therefore signal transmission module 10 and shield assembly 20 is passed through 30 plastic packaging of secondary plastic plate is to together, while in order to guarantee that differential pair impedance variations are as small as possible, above-mentioned shield assembly 20 with it is upper The vertical range A and differential pairs pins center for stating the difference signal terminal 101 in signal transmission module 10 meet away from B: A < B/8； With reference to the shield assembly in Figure 10 at a distance from signal lead schematic diagram.

With reference to the structural schematic diagram of the secondary plastic plate of Figure 11, increase signal transmission module during secondary plastic Binding force between 10 and shield assembly 20 is provided with multiple T-type columns 301, above-mentioned signal transmission on above-mentioned secondary plastic plate 30 It is provided with through-hole 11,12 compatible with above-mentioned T-type column 301 in module 10 and shield assembly 20, when secondary plastic, signal is passed Defeated module 10, shield assembly 20 are sequentially placed from top to bottom, then carry out secondary plastic, are ultimately formed with secondary plastic plate 30 Modular structure.

As shown in figure 12, above-mentioned shield assembly 20 includes the first shielding part 21 and secondary shielding part 22, above-mentioned secondary shielding Part 22 is fixed on the first shielding part 21 by guide post 23, in order to make the position between secondary shielding part 22 and the first shielding part 21 It sets that relationship is more stable, meets the relative position size between the first shielding part and secondary shielding part, the first shielding part 21 and the The position that two shielding parts 22 are in contact is additionally provided with more than two evenly arranged tie points 24.Here connection type not office It is limited to laser welding, while can also welds using ultrasonic friction and turn over the modes such as riveter skill and be attached, so as to high Precision positions the relative position between two parts.

First shielding part 21 further includes that the shield body 211 being adapted to 10 size of signal transmission module and setting are shielding It is adjacent that the ground connection tail portion 212 of 211 side of part main body, ground terminal 213 and ground connection tail portion 212 are located at shield body 211 Two sides, secondary shielding part 22 is fixed in the shield body 211 of the first shielding part 21, first in shield assembly 20 Elastic construction 201 is mounted on secondary shielding part 22, while secondary shielding part 22 and the first shielding in each shield assembly 20 The ground terminal 213 of part 21 forms y-type structure from side, is more conducive to shortening return flow path, lower between signal differential pair Crosstalk.

The structural schematic diagram of the first shielding part 21 in shield assembly 20 is illustrated such as Figure 13, in first shielding part 21 In, contact terminal 213 be arranged at intervals with it is multiple, and when shield assembly is mounted on signal transmission module, the first shielding part 21 On contact terminal 213 between adjacent signal terminal 101, i.e. the contact on the first shielding part 21 of signal terminal 101 Successively space crossings arrange terminal 213.

Secondary shielding part 22 is installed on the top of the ground terminal 213 of above-mentioned first shielding part 21, and secondary shielding part 22 divides For two parts, a part is the coupling part with the first shielding part 21, which is located at the top of secondary shielding part 22, separately A part is to be provided with the contact portion of the first elastic construction 201 contacted with other structures, which is located at the The lower part of two shielding parts 22, and coupling part and contact portion are not in the same plane；The top of secondary shielding part 22 passes through Fixed column and other connection types are fixed in the shield body 211 of the first shielding part 21, other connection types can be sharp Photocoagulation, ultrasonic friction welding and turn over riveter skill etc., lower part, that is, contact portion of secondary shielding part 22 is located at the first shielding The top of the ground terminal 213 of part 21, while the quantity of the first elastic construction 201 on secondary shielding part 22 and adjacent screen It covers the quantity of the contact terminal 213 in component unanimously and corresponds.

As shown in figure 14, multiple bar shaped grooves 221, the first bullet are arranged at intervals in the contact portion of secondary shielding part 22 One end of property structure 201 is connected to the edge of bar shaped groove 221, and the other end of the first elastic construction 201 is then towards corresponding Contact terminal 213 simultaneously contacts, to reach shortening return flow path, improves the purpose of crosstalk between differential pair.

In order to further shorten return flow path, the crosstalk between differential pair is reduced, each first on secondary shielding part 22 The side of elastic construction 201 is also set up there are two identical second elastic construction 223 of extending direction, and two second elasticity knots Structure 223 is located in different bar shaped grooves 221；For second elastic construction, when the shield assembly is applied to connector When, which can be contacted with the U-shaped shielding part in male end pedestal, in order to in male end pedestal U-shaped shielding part contacted, while shortening return flow path, reduce signal cross-talk, second elastic construction 223 is in secondary shielding Protrusion direction on part 22 is opposite with protrusion direction of first elastic construction 201 on secondary shielding part 22.

In addition raised frame 222, raised frame 222 and adjacent shields component 20 are provided at the side edge of secondary shielding part 22 In the side edge of secondary shielding part 22 be in contact, and 222 installation site of raised frame on adjacent above-mentioned shield assembly 20 On the contrary, its main function can also shorten return flow path, and reduce the crosstalk between signal, while the strong of structure can also be increased Degree.

" one embodiment ", " another embodiment ", " embodiment ", " preferred embodiment " spoken of in the present specification Deng, refer to combine the embodiment description specific features, structure or feature include the application generality description at least In 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.Further For, when describing a specific features, structure or feature in conjunction with any embodiment, what is advocated is to combine other embodiments To realize 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 (10)

1. a kind of electrical connector apparatus, it is characterised in that: the modular structure including multiple overlapping arrangements, in each modular structure It is provided with shield assembly (20), is connected among the shield assembly (20) on adjacent modular structure by intermediate connector (50) It connects,

The intermediate connector (50) includes plastic cement plating shell (501) and is arranged at intervals in plastic cement plating shell (501) Contact connector (502) has the connecting terminal being connected with shield assembly (20) on the contact connector (502) (5021),

Wherein a shield assembly (20) and the plastic cement plating shell (501) are in contact, adjacent shield assembly (20) with it is described Connecting terminal (5021) on contact connector (502) is in contact.

2. electrical connector apparatus according to claim 1, it is characterised in that: the shield assembly in one of modular structure (20) there are multiple spaced ground terminals (213), and on the shield assembly (20) on the adjacent modular structure on It is provided with the first elastic construction (201) corresponding to ground terminal (213), first elastic construction (201) and intermediate connector (50) plastic cement plating shell (501) is in contact, ground terminal (213) and connecting terminal on adjacent shields component (20) (5021) it is in contact.

3. electrical connector apparatus according to claim 2, it is characterised in that: the connection touching on the intermediate connector (50) Point (5021) is divided into multiple groups and corresponding with the ground terminal (213), and there are two every group of connecting terminal (5021) tools, and phase To setting.

4. electrical connector apparatus according to claim 1, it is characterised in that: the modular structure includes signal transmission module (10), between the signal transmission module (10) and shield assembly (20) by secondary plastic plate (30) carry out plastic packaging, described two It is provided with multiple T-type columns (301) on secondary plastic sealed board (30), is provided on the signal transmission module (10) and shield assembly (20) The compatible through-hole (11,12) with the T-type column (301).

5. electrical connector apparatus according to claim 4, it is characterised in that: the signal transmission module (10) includes plastic packaging Shell (102) and difference signal terminal (101), the difference signal terminal (101) is alternatively arranged in pairs and plastic packaging is in plastic packaging In shell (102), the wiring path of difference signal terminal (101) is provided with cavity on the plastic packaging shell (102) (103), it and by difference signal terminal (101) is exposed to outer.

6. electrical connector apparatus according to claim 2, it is characterised in that: the shield assembly (20) includes the first shielding Part (21) and secondary shielding part (22), the secondary shielding part (22) are fixed on the first shielding part (21) by guide post (23) On, first elastic construction (201) is arranged on secondary shielding part (22), and the ground terminal (213) is located at described first On shielding part (21), and shape between the secondary shielding part (22) and the ground terminal (213) of first shielding part (21) At Y type connection structure.

7. electrical connector apparatus according to claim 6, it is characterised in that: first shielding part (21) includes and signal The shield body (211) and be arranged in the ground connection tail portion of shield body (211) side that transmission module (10) size is adapted to (212), the ground terminal (213) and ground connection tail portion (212) are located at adjacent two of the shield body (211) Side.

8. electrical connector apparatus according to claim 7, it is characterised in that: the ground terminal (213) is arranged at intervals with It is multiple, and be located between adjacent signal terminal (101), the quantity of first elastic construction (201) connects with described The quantity of ground terminal (213) is consistent and corresponds.

9. electrical connector apparatus according to claim 6, it is characterised in that: each first on the secondary shielding part (22) The side of elastic construction (201) is also set up there are two identical second elastic construction (223) of extending direction, and two described the Two elastic constructions (223) are located in different bar shaped groove (221).

10. electrical connector apparatus according to claim 6, it is characterised in that: the side edge of the secondary shielding part (22) Place is provided with raised frame (222), the side of the secondary shielding part (22) in the protrusion frame (222) and adjacent shields component (20) Edge is in contact, and raised frame (222) installation site on the adjacent shield assembly (20) is opposite.