CN112787138A - High-speed connector assembly of automobile - Google Patents

High-speed connector assembly of automobile Download PDF

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Publication number
CN112787138A
CN112787138A CN202011615892.8A CN202011615892A CN112787138A CN 112787138 A CN112787138 A CN 112787138A CN 202011615892 A CN202011615892 A CN 202011615892A CN 112787138 A CN112787138 A CN 112787138A
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CN
China
Prior art keywords
terminals
connecting body
terminal
connector assembly
connector
Prior art date
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Granted
Application number
CN202011615892.8A
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Chinese (zh)
Other versions
CN112787138B (en
Inventor
陈家军
沈履善
晏辉如
朱江
陈宏基
向慧珍
汪超
陈琼南
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Huawei Technologies Co Ltd
Kunshan Luxshare Precision Industry Co Ltd
Original Assignee
Huawei Technologies Co Ltd
Kunshan Luxshare Precision Industry Co Ltd
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Application filed by Huawei Technologies Co Ltd, Kunshan Luxshare Precision Industry Co Ltd filed Critical Huawei Technologies Co Ltd
Priority to CN202011615892.8A priority Critical patent/CN112787138B/en
Publication of CN112787138A publication Critical patent/CN112787138A/en
Application granted granted Critical
Publication of CN112787138B publication Critical patent/CN112787138B/en
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46—Bases; Cases
    • H01R13/502—Bases; Cases composed of different pieces
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/629—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
    • H01R13/631—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances for engagement only
    • H01R13/6315—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances for engagement only allowing relative movement between coupling parts, e.g. floating connection
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure

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  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Connector Housings Or Holding Contact Members (AREA)

Abstract

The invention discloses an automobile high-speed connector assembly, and belongs to the technical field of connectors. The automobile high-speed connector assembly comprises a first connector and a second connector which can be mutually matched, wherein the first connector comprises a plurality of first terminals and a first insulator; the second connector comprises a plurality of second terminals and a second insulator, wherein the second terminals are provided with a second welding part, a first fixing part, an elastic part, a second fixing part and a second contact part which are sequentially connected; the second insulator comprises an inner shell and an outer shell sleeved on the inner shell, and a gap is formed between the outer wall of the inner shell and the inner wall of the outer shell; the second connector further comprises a first connector body and a second connector body; the first fixing part of the second terminal is fixed on the outer shell through the first connecting body, the second fixing part of the second terminal is fixed on the inner shell through the second connecting body, and the second contact part is located on one side, deviating from the gap, of the inner shell and is used for being connected with the first terminal. The invention improves the connection stability of the high-speed connector component of the automobile.

Description

High-speed connector assembly of automobile
Technical Field
The invention relates to the technical field of connectors, in particular to an automobile high-speed connector assembly.
Background
With the rapid development of the automobile industry, various functional components and various parts on automobiles are continuously developing towards intellectualization, electronization and networking, for example: vehicle-mounted equipment components such as a navigator, a vehicle-mounted information entertainment system (IVI), an advanced driving assistance system ADAS, a panoramic camera system, a millimeter wave radar and the like need to have high reliability and durability so as to ensure normal operation under severe conditions such as vibration and temperature change, and therefore higher requirements are provided for an automobile connector. The existing connector comprises a plurality of terminals, each terminal needs to be connected with an insulator, the installation efficiency is low, and the stability of the connector is poor.
Disclosure of Invention
The invention aims to provide an automobile high-speed connector assembly which is convenient to assemble and high in stability.
In order to achieve the purpose, the invention adopts the following technical scheme:
an automotive high-speed connector assembly comprises a first connector and a second connector which can be mutually matched, wherein the first connector comprises a plurality of first terminals and a first insulator, and the first terminals are fixed on the first insulator; the second connector comprises a plurality of second terminals and a second insulator, the plurality of second terminals are fixed on the second insulator, and the second terminals are provided with a second welding part, a first fixing part, an elastic part, a second fixing part and a second contact part which are connected in sequence; the second insulator comprises an inner shell and an outer shell sleeved on the inner shell, and a gap is formed between the outer wall of the inner shell and the inner wall of the outer shell; the second connector also comprises a first connecting body and a second connecting body, and the first connecting body is fixed on the first fixing part; the second connecting body is fixed on the second fixing part; the first fixing portion of the second terminal is fixed to the outer shell through the first connecting body, the second fixing portion of the second terminal is fixed to the inner shell through the second connecting body, the second welding portion is exposed out of the outer shell, the second contact portion is located on one side, deviating from the gap, of the inner shell and used for being connected with the first terminal, and the elastic portion is located in the gap at least in part.
Optionally, the elastic part has an upper U-shaped part, an extension part and a lower U-shaped part, and one end of the upper U-shaped part is connected to the first fixing part; one end of the extension part is connected to the other end of the upper U-shaped part; one end of the lower U-shaped portion is connected to the other end of the extension portion, and the other end of the lower U-shaped portion is connected to the second fixing portion.
Optionally, the second terminal includes a second power terminal, the elastic portion of the second power terminal is provided with at least one slit extending along a length direction thereof, a connecting portion is disposed in the slit on the bottom wall of the lower U-shaped portion, and the second contact portion of the second power terminal is a plurality of elastic pieces.
Optionally, the first connecting body and the second connecting body are respectively integrally formed on the second terminal.
Optionally, the first connecting body is clamped to the outer shell, and the second connecting body is clamped to the inner shell.
Optionally, the inner shell includes a bottom plate and an inner shell side plate, a first groove is formed in the bottom wall of the joint of the bottom plate and the inner shell side plate and extends along the length direction of the inner shell, jacks are formed in the bottom wall of the first groove along the length direction of the first groove, the second terminal penetrates through one of the jacks, and the second connector is connected to the first groove in a clamped mode.
Optionally, the two side walls of the first groove are provided with protruding portions distributed at intervals along the length direction of the first groove, the second connector faces the side wall of the first groove and is provided with a clamping groove, and each protruding portion is clamped in one clamping groove.
Optionally, one side of the second connector, which is away from the inner shell side plate, is provided with a dovetail-shaped second fixture block, and the bottom plate is provided with a second dovetail groove in matched and clamped connection with the second fixture block.
Optionally, a step surface is arranged on the inner side wall of the outer shell in the length direction, the first connecting body is connected to the inner side wall of the outer shell, and the top surface of the first connecting body abuts against the step surface.
Optionally, one side of the first connecting body, which faces the inner wall of the outer shell, is provided with a first dovetail groove, and the first dovetail groove is matched and clamped with the first fixture block.
Optionally, the first connecting body is provided with a shielding plate along at least one side of the second terminal arrangement direction.
Optionally, the second terminals include a plurality of pairs of second differential signal terminals and a plurality of second ground terminals for transmitting differential signals, one second ground terminal is disposed between two adjacent pairs of the second differential signal terminals, and each second ground terminal is connected to the shielding plate respectively.
Optionally, the shielding plate is conductive plastic or plated plastic.
The invention has the beneficial effects that:
the first connecting body and the second connecting body are respectively fixed on the first fixing part and the second fixing part of the second terminal, the plurality of second terminals can be fixed together through the first connecting body and the second connecting body, and the plurality of second terminals are simultaneously and respectively fixed on the outer shell and the inner shell through the first connecting body and the second connecting body, so that the independent installation of each second terminal is avoided, the assembly efficiency of the second terminals is improved, and the second terminals can be reliably fixed with the second insulator; the second terminal includes the elastic component, the elastic component sets up in the clearance between shell body and the interior casing, can make the second connector can have certain offset in X direction and Y direction, thereby make first connector and second connector under the condition of misalignment or blind mate, can compensate the skew, be convenient for insert the cooperation, simultaneously can reliable connection under the condition of vibrations, the stability of car high speed connector subassembly connection has been improved, thereby be favorable to realizing the high-speed transmission of signal.
Drawings
FIG. 1 is a schematic perspective view of an automotive high-speed connector assembly according to an embodiment of the present invention;
FIG. 2 is a side view of a high speed connector assembly for a vehicle according to an embodiment of the present invention;
FIG. 3 is a schematic cross-sectional view taken along line B-B of FIG. 2;
fig. 4 is a schematic perspective view of a second terminal according to an embodiment of the present invention;
fig. 5 is a schematic view of a mounting structure of a first connector and a first PCB board according to an embodiment of the present invention;
fig. 6 is an exploded view of a first connector and a first PCB provided in an embodiment of the present invention;
fig. 7 is a schematic perspective view of a second power terminal according to an embodiment of the present invention;
fig. 8 is a schematic view of a second connector and a second PCB mounting structure according to an embodiment of the present invention;
FIG. 9 is a schematic side view of a second connector according to an embodiment of the present invention;
FIG. 10 is a schematic cross-sectional view taken along line A-A of FIG. 9;
FIG. 11 is an exploded view of a second connector provided in accordance with an embodiment of the present invention;
FIG. 12 is an enlarged schematic view of the structure at A in FIG. 11;
fig. 13 is a side view of the first connector, the second connector and the second terminal after being mounted according to the embodiment of the present invention;
FIG. 14 is a schematic perspective view of an inner housing according to an embodiment of the present invention;
FIG. 15 is a schematic bottom view of an inner housing according to an embodiment of the present invention;
fig. 16 is an enlarged view at B in fig. 15.
In the figure:
1. a first connector; 11. a first terminal; 111. a first weld; 112. a first contact portion; 12. A first insulator; 121. a base; 122. a tongue plate; 13. a third connector; 14. a clamping hole; 15. a first solder foot;
2. a second connector; 21. a second terminal; 21a, a second power supply terminal; 211. a second weld; 212. a first fixed part; 213. an elastic portion; 2131. an upper U-shaped portion; 2132. an extension; 2133. a lower U-shaped portion; 2134. a gap; 2135. a connecting portion; 214. a second fixed part; 215. a second contact portion; 2151. a spring plate; 22. a second insulator; 221. an outer housing; 2211. a second positioning column; 2212. a first dovetail groove; 222. an inner housing; 2221. a base plate; 2222. an inner shell side plate; 2223. a top plate; 2224. A first groove; 22241. a boss portion; 22242. a second dovetail groove; 2225. a jack; 23. a void; 24. a first connecting body; 241. a first clamping block; 25. a second connector; 251. a card slot; 252. a second fixture block; 26. a second solder foot; 27. a shielding sheet;
3. a first PCB board;
4. and a second PCB board.
Detailed Description
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first position" and "second position" are two different positions.
Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "secured" are to be construed broadly and encompass, for example, both fixed and removable connections; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may include the first feature being in direct contact with the second feature, or may include the first feature being in direct contact with the second feature but being in contact with the second feature by another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The technical solution of the present invention is further explained by the following embodiments with reference to fig. 1 to 16.
The present embodiment provides an automotive high-speed connector assembly, which includes a first connector 1 and a second connector 2 that are matable, as shown in fig. 1 and 2. The first connector 1 is connected to the first PCB 3, the second connector 2 is connected to the second PCB 4, and signal and power transmission between the first PCB 3 and the second PCB 4 is achieved through mutual insertion of the first connector 1 and the second connector 2.
As shown in fig. 3 and 4, the first connector 1 includes a plurality of first terminals 11 and a first insulator 12, and the plurality of first terminals 11 are fixed to the first insulator 12. The second connector 2 includes a plurality of second terminals 21 and a second insulator 22, and the plurality of second terminals 21 are fixed to the second insulator 22. Optionally, the first insulator 12 and the second insulator 22 are both made of LCP, which can make the first insulator 12 and the second insulator 22 more resistant to high temperature. The second terminal 21 includes a second soldering portion 211, a first fixing portion 212, an elastic portion 213, a second fixing portion 214, and a second contact portion 215 connected in this order. The second insulator 22 includes an inner shell 222 and an outer shell 221 fitted over the inner shell 222, and a gap 23 is formed between an outer wall of the inner shell 222 and an inner wall of the outer shell 221. The second connector 2 further includes a first connection body 24 and a second connection body 25, and the first connection body 24 is fixed to the first fixing portion 212. The second connecting body 25 is fixed to the second fixing portion 214. The first fixing portion 212 of the second terminal 21 is fixed to the outer housing 221 through the first connecting body 24, the second fixing portion 214 of the second terminal 21 is fixed to the inner housing 222 through the second connecting body 25, the second soldering portion 211 is exposed out of the outer housing 221, the second contact portion 215 is located on a side of the inner housing 222 away from the gap 23 and is used for being connected with the first terminal 11, and the elastic portion 213 is at least partially located in the gap 23.
In the present embodiment, the first connecting body 24 and the second connecting body 25 are fixed to the first fixing portion 212 and the second fixing portion 214 of the second terminal 21, respectively, and the plurality of second terminals 21 can be fixed together by the first connecting body 24 and the second connecting body 25, and the plurality of second terminals 21 can be fixed to the outer housing 221 and the inner housing 222 by the first connecting body 24 and the second connecting body 25, respectively, at the same time, which avoids separate mounting of each second terminal 21, improves the assembling efficiency of the second terminals 21, and can reliably fix the second terminals 21 to the second insulator 22; the second terminal 21 includes the elastic part 213, the elastic part 213 is disposed in the gap between the outer shell 221 and the inner shell 222, so that the second connector 2 in this embodiment can have a certain offset in the X direction and the Y direction, and thus the first connector 1 and the second connector 2 can compensate the offset under the condition of misalignment or blind mating, which is convenient for plugging and mating, and meanwhile, the connection can be reliable under the condition of vibration, thereby improving the connection stability of the automotive high-speed connector assembly in this embodiment, and being beneficial to realizing the high-speed transmission of signals.
As shown in fig. 5 and 6, the first connector 1 further includes a third connecting body 13, the third connecting body 13 is fixed to the first terminal 11, and the first terminal 11 is connected to the first insulator 12 through the third connecting body 13. Specifically, the first terminal 11 includes a first soldering portion 111, a third fixing portion, and a first contact portion 112 connected in this order. The third connector 13 is fixed at the third fixing portion, and the third connector 13 is connected to the first insulator 12 in a clamping manner, so that the first terminal 11 is fixed to the first insulator 12, the plurality of first terminals 11 can be fixed to the first insulator 12 at the same time, and the installation efficiency and stability of the first terminals 11 are improved. In detail, the first soldering part 111 and the contact part of the first terminal 11 are exposed from the first insulator 12, the first soldering part 111 is soldered to the first PCB board 3, and the first contact part 112 is used to connect with the second contact part 215.
Further, the first insulating body includes a base 121 and a tongue plate 122, the tongue plate 122 extends from one side of the base 121, at least one side of the tongue plate 122 and the base 121 is provided with a locking hole 14, and the third connecting body 13 is locked in the locking hole 14. In this embodiment, it is preferable that the base 121 on both sides of the tongue plate 122 is respectively provided with a clamping hole 14, each clamping hole 14 is respectively provided with a row of first terminals 11, correspondingly, the second insulator 22 is provided with two rows of second terminals 21, and each row of first terminals 11 is in butt joint with one row of second terminals 21, so that the space can be saved, and the volume of the automotive high-speed connector assembly in this embodiment can be reduced.
In order to reliably connect the first insulator 12 and the first PCB 3, the first insulator 12 is provided at both ends thereof with first soldering pins 15, respectively, and the first soldering pins 15 penetrate the first insulator 12 and are connected to the first PCB 3.
Further, the first insulator 12 is provided with two at least first locating posts towards one side of the first PCB 3, the first locating hole has been seted up on the first PCB 3, and every first locating post is inserted and is established in a first locating hole, is convenient for connect first PCB 3 and first insulator 12.
As shown in fig. 4, the elastic portion 213 includes an upper U-shaped portion 2131, an extension portion 2132, and a lower U-shaped portion 2133, and one end of the upper U-shaped portion 2131 is connected to the first fixing portion 212; one end of the extension portion 2132 is connected to the other end of the upper U-shaped portion 2131; one end of the lower U-shaped portion 2133 is connected to the other end of the extension portion 2132, the other end of the lower U-shaped portion 2133 is connected to the second fixing portion 214, the second terminal 21 is compressible or extensible in the X direction and is displaceable in the Y direction with respect to the second contact point by the provision of the elastic portion 213, and the second connector 2 is displaceable in both the X direction and the Y direction with respect to the first connector 1 by a certain amount.
As shown in fig. 7, the second terminal 21 includes a second power terminal 21a, the elastic portion 213 of the second power terminal 21a is opened with at least one slit 2134 extending along the length direction thereof, and a connecting portion 2135 is disposed in the slit 2134 on the bottom wall of the lower U-shaped portion 2133, the slit 2134 may enable the second power terminal 21a to have a certain elasticity even if a certain width is satisfied to deliver a large current, and in some alternative embodiments, the slit 2134 may be one or two. Of course, one skilled in the art can arrange a corresponding number of slits 2134 as desired, without limitation. The provision of the connecting portion 2135 improves the strength of the second power supply terminal 21a without affecting the satisfaction of a certain elasticity of the second power supply terminal 21 a. The second contact part 215 of the second power terminal 21a is divided into a plurality of resilient pieces 2151, and optionally, the second contact part 215 is divided into two resilient pieces 2151, so that the second contact part 215 can be more stably contacted with the first power terminal of the first terminal 11.
In order to facilitate the connection between the first connecting body 24 and the second connecting body 25 and the second terminal 21, the first connecting body 24 and the second connecting body 25 are respectively formed on the second terminal 21 by injection molding, so that the connection stability can be improved, the assembly efficiency can be improved, and the processing cost can be reduced.
Optionally, the first connecting body 24 is clamped to the outer shell 221, and the second connecting body 25 is clamped to the inner shell 222, so that the first connecting body 24, the second connecting body 25 and the second insulator 22 can be conveniently installed.
In order to facilitate the engagement between the second connector 25 and the inner housing 222, as shown in fig. 8 to 11, the inner housing 222 includes a bottom plate 2221 and an inner housing side plate 2222, a first groove 2224 extending along the length direction of the inner housing 222 is formed on the bottom wall at the junction of the bottom plate 2221 and the inner housing side plate 2222, insertion holes 2225 distributed at intervals are formed on the bottom wall of the first groove 2224 along the length direction thereof, each second terminal 21 penetrates through one insertion hole 2225, and the second connector 25 is engaged in the first groove 2224. Further, the inner housing 222 further includes a top plate 2223, and the top plate 2223 is disposed on the periphery of the top of the inner housing side plate 2222 to protect the second terminal 21 located in the gap 23. In this embodiment, preferably, two second grooves are formed in the bottom wall of the intersection between the two opposing bottom plates 2221 and the inner shell side plates 2222 at intervals in parallel, a row of second terminals 21 penetrates through each of the grooves, and each row of second terminals 21 corresponds to a row of first terminals 11, so that space can be saved.
In order to reliably connect the second insulator 22 and the second PCB 4, as shown in fig. 8, the second insulator 22 is provided at both ends thereof with second soldering pins 26, respectively, and the second soldering pins 26 penetrate the second insulator 22 and are connected to the second PCB 4. In detail, the second soldering terminal 26 penetrates the outer case 221 and is connected to the second PCB 4, and the top plate 2223 is pressed against the second soldering terminal 26.
In order to connect the second connector 25 and the inner housing 222 more stably, as shown in fig. 12 and 14, two side walls of the first groove 2224 are respectively provided with protruding portions 22241 distributed at intervals along the length direction thereof, a side wall of the second connector 25 facing the first groove 2224 is provided with a slot 251, and each protruding portion 22241 is snapped in one slot 251.
As shown in fig. 12, 13, 15 and 16, a dovetail-shaped second latch 252 is disposed on a side of the second connecting body 25 away from the inner shell side plate 2222, and a second dovetail groove 22242 matched and clamped with the second latch 252 is disposed on the bottom plate 2221, so that the second connecting body 25 can be more stably fixed with the inner shell 222.
As shown in fig. 10, a step surface is provided on the inner wall of the outer housing 221 in the longitudinal direction, the first connecting body 24 is connected to the inner wall of the outer housing 221, and the top surface of the first connecting body 24 abuts against the step surface, and the step surface can limit the first connecting body 24, and thus the second terminal 21.
In order to enable the first connecting body 24 to be stably connected to the outer shell 221, as shown in fig. 11 and 12, a first dovetail-shaped block 241 is disposed on one side of the first connecting body 24 facing the inner wall of the outer shell 221, and a first dovetail groove 2212 matched and clamped with the first block 241 is disposed on the bottom wall of the outer shell 221.
Further, at least two second positioning columns 2211 are disposed on one side of the outer casing 221 facing the second PCB 4, a second positioning hole is formed in the second PCB 4, and each second positioning column 2211 is inserted into one second positioning hole, so that the second PCB 4 and the outer casing 221 are connected conveniently.
As shown in fig. 10, the first connecting body 24 is provided with a shielding plate 27 along at least one side of the arrangement direction of the second terminals 21, and the shielding plate 27 can improve the shielding effect of the second connector 2, thereby being beneficial to improving the transmission rate of signals.
In order to further improve the shielding effect of the second connector 2 and improve the signal transmission rate, the second terminals 21 include a plurality of pairs of second differential signal terminals for transmitting differential signals and a plurality of second ground terminals, one second ground terminal is disposed between two adjacent pairs of second differential signal terminals, and each second ground terminal is connected to the shielding plate 27. In some optional embodiments, a side of the first connecting body 24 away from the second contact portion 215 is provided with a shielding plate 27, a side of the shielding plate 27 facing the first connecting body 24 is provided with connecting posts, each connecting post abuts against one second ground terminal, so that each pair of second differential signal terminals is enclosed in a half-enclosed structure formed between the shielding plate 27 and two adjacent connecting posts, thereby shielding external interference and improving the transmission rate of signals. In other embodiments, two sides of the first connecting body 24 are respectively provided with one shielding plate 27, and one side of the shielding plate 27 facing the first connecting body 24 is provided with a connecting column, and two opposite connecting columns are respectively connected to two sides of each second ground terminal, so that each pair of second differential signal terminals is enclosed in an enclosing structure formed between the shielding plate 27 on two sides and the two connecting columns adjacent to two sides, and the shielding effect is further improved.
In some alternative embodiments, the shield plate 27 is a metal conductive plate, conductive plastic, or plated plastic. When the structure of the shielding plate 27 is complicated or the installation space is limited due to structural limitations, the shielding plate 27 is made of conductive plastic or electroplated plastic, which can facilitate the processing and molding of the shielding plate 27; when the shield plate 27 is simple in structure, it may be provided as a metal conductive plate to reduce the processing cost.
In detail, the distance between two adjacent first terminals 11 is 0.30mm, 0.40mm, 0.50mm, 0.60mm, 0.70mm, 0.80mm, 0.90mm, 1.0mm, 1.25mm, 1.5mm, 1.8mm, 2.00mm, 2.50mm, 2.54mm, or 3.00mm, and accordingly, the distance between two adjacent second terminals 21 is the same as the distance between two adjacent first terminals 11.
The invention fixes the first connector 24 and the second connector 25 on the first fixing part 212 and the second fixing part 214 of the second terminal 21, respectively, fixes the plurality of second terminals 21 together through the first connector 24 and the second connector 25, and simultaneously and respectively clamps the plurality of second terminals 21 on the outer shell 221 and the inner shell 222 through the first connector 24 and the second connector 25, thereby avoiding the individual installation of each second terminal 21, improving the assembly efficiency of the second terminals 21, and reliably fixing the second terminals 21 with the second insulator 22; the connection of the shielding plate 27 to the first connecting body 24 improves the shielding effect of the second connector 2 in the present embodiment, thereby enabling to improve the transmission rate of signals; the second terminal 21 includes the elastic part 213, the elastic part 213 is disposed in the gap between the outer shell 221 and the inner shell 222, so that the second connector 2 in this embodiment can have a certain offset in the X direction and the Y direction, and thus the first connector 1 and the second connector 2 can compensate the offset under the condition of misalignment or blind mating, which is convenient for plugging and mating, and meanwhile, the connection can be reliable under the condition of vibration, thereby improving the connection stability of the high-speed connector assembly of the automobile in this embodiment, and being beneficial to realizing the high-speed transmission of signals.
The technical principle of the present invention is described above in connection with specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without inventive effort, which would fall within the scope of the present invention.

Claims (13)

1. An automotive high-speed connector assembly comprises a first connector (1) and a second connector (2) which can be mutually matched, wherein the first connector (1) comprises a plurality of first terminals (11) and a first insulator (12), and the plurality of first terminals (11) are fixed on the first insulator (12); the second connector (2) includes a plurality of second terminals (21) and a second insulator (22), and the plurality of second terminals (21) are fixed to the second insulator (22), characterized in that the second terminals (21) have a second soldering portion (211), a first fixing portion (212), an elastic portion (213), a second fixing portion (214), and a second contact portion (215) which are connected in this order; the second insulator (22) comprises an inner shell (222) and an outer shell (221) sleeved on the inner shell (222), and a gap (23) is formed between the outer wall of the inner shell (222) and the inner wall of the outer shell (221); the second connector (2) further comprises:
a first connecting body (24) fixed to the first fixing portion (212); and
a second connecting body (25) fixed to the second fixing portion (214);
the first fixing portion (212) of the second terminal (21) is fixed to the outer shell (221) through the first connecting body (24), the second fixing portion (214) of the second terminal (21) is fixed to the inner shell (222) through the second connecting body (25), the second welding portion (211) is exposed out of the outer shell (221), the second contact portion (215) is located on one side, deviating from the gap (23), of the inner shell (222) and used for being connected with the first terminal (11), and the elastic portion (213) is located in the gap (23) at least in part.
2. The automotive high-speed connector assembly according to claim 1, characterized in that the elastic portion (213) has:
an upper U-shaped portion (2131), one end of the upper U-shaped portion (2131) being connected to the first fixing portion (212);
an extension part (2132), one end of the extension part (2132) being connected to the other end of the upper U-shaped part (2131); and
and a lower U-shaped portion (2133), one end of the lower U-shaped portion (2133) being connected to the other end of the extension portion (2132), and the other end of the lower U-shaped portion (2133) being connected to the second fixing portion (214).
3. The automotive high-speed connector assembly according to claim 2, wherein the second terminal (21) comprises a second power terminal (21a), the elastic portion (213) of the second power terminal (21a) is provided with at least one slit (2134) extending along the length direction thereof, a connecting portion (2135) is provided in the slit (2134) in the bottom wall of the lower U-shaped portion (2133), and the second contact portion (215) of the second power terminal (21a) is divided into a plurality of resilient pieces (2151).
4. The automotive high-speed connector assembly according to claim 1, characterized in that the first connection body (24) and the second connection body (25) are respectively integrally formed on the second terminal (21).
5. The automotive high-speed connector assembly according to claim 1, characterized in that the first connecting body (24) is clamped to the outer housing (221) and the second connecting body (25) is clamped to the inner housing (222).
6. The automotive high-speed connector assembly according to claim 5, wherein the inner housing (222) comprises a bottom plate (2221) and an inner housing side plate (2222), a first groove (2224) extending along the length direction of the inner housing (222) is formed in a bottom wall of a junction of the bottom plate (2221) and the inner housing side plate (2222), insertion holes (2225) distributed at intervals are formed in a bottom wall of the first groove (2224) along the length direction of the first groove, each second terminal (21) penetrates through one insertion hole (2225), and the second connecting body (25) is clamped in the first groove (2224).
7. The automotive high-speed connector assembly according to claim 6, wherein two side walls of the first groove (2224) are provided with protruding portions (22241) spaced apart along the length direction thereof, the side wall of the second connector (25) facing the first groove (2224) is provided with a slot (251), and each protruding portion (22241) is engaged with one slot (251).
8. The automotive high-speed connector assembly according to claim 6, wherein a dovetail-shaped second clamping block (252) is arranged on one side of the second connecting body (25) away from the inner shell side plate (2222), and a second dovetail groove (22242) matched and clamped with the second clamping block (252) is formed in the bottom plate (2221).
9. The automotive high-speed connector assembly according to claim 1, wherein a step surface is provided on an inner side wall of the outer housing (221) in a length direction, the first connecting body (24) is connected to the inner side wall of the outer housing (221), and a top surface of the first connecting body (24) abuts against the step surface.
10. The automotive high-speed connector assembly according to claim 1, wherein a dovetail-shaped first block (241) is arranged on one side of the first connecting body (24) facing the inner wall of the outer shell (221), and a first dovetail groove (2212) matched and clamped with the first block (241) is formed in the bottom wall of the outer shell (221).
11. Automotive high-speed connector assembly according to any one of claims 1-10, characterised in that the first connection body (24) is provided with a shielding plate (27) along at least one side of the direction of arrangement of the second terminals (21).
12. The automotive high-speed connector assembly according to claim 11, wherein the second terminals (21) comprise pairs of second differential signal terminals for transmitting differential signals and second ground terminals, one of the second ground terminals is disposed between two adjacent pairs of the second differential signal terminals, and each of the second ground terminals is connected to the shielding plate (27).
13. The automotive high-speed connector assembly according to claim 12, characterized in that the shielding plate (27) is conductive plastic or plated plastic.
CN202011615892.8A 2020-12-30 2020-12-30 High-speed connector assembly of automobile Active CN112787138B (en)

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Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2624432Y (en) * 2003-05-07 2004-07-07 富士康(昆山)电脑接插件有限公司 Electric coupler
TWM312066U (en) * 2006-09-11 2007-05-11 Hon Hai Prec Ind Co Ltd Electrical connector
US7722393B1 (en) * 2008-12-01 2010-05-25 Cheng Uei Precision Industry Co., Ltd. Battery connector
US20100291776A1 (en) * 2009-05-13 2010-11-18 Sheng-Yuan Huang Board-To-Board Connector Assembly
JP2011249076A (en) * 2010-05-25 2011-12-08 Fujitsu Component Ltd Floating connector
CN204030057U (en) * 2014-07-22 2014-12-17 实盈电子(东莞)有限公司 A kind of Board-to-Board Electrical Connector
CN205122852U (en) * 2015-11-18 2016-03-30 苏州奥奇斯电子科技有限公司 Female end of battery connector
CN106299783A (en) * 2016-09-22 2017-01-04 深圳市深台帏翔电子有限公司 Adapter
TWM563683U (en) * 2018-03-15 2018-07-11 宏致電子股份有限公司 Grounding structure of electrical connector
CN209329318U (en) * 2018-12-28 2019-08-30 富士康(昆山)电脑接插件有限公司 Electric connector and its docking connector
US20190326690A1 (en) * 2018-04-24 2019-10-24 Lotes Co., Ltd Electrical connector
CN110416770A (en) * 2018-04-26 2019-11-05 广濑电机株式会社 Circuit board electrical connector
CN111342255A (en) * 2020-03-06 2020-06-26 东莞市鼎特电子科技有限公司 Floating connector

Patent Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2624432Y (en) * 2003-05-07 2004-07-07 富士康(昆山)电脑接插件有限公司 Electric coupler
TWM312066U (en) * 2006-09-11 2007-05-11 Hon Hai Prec Ind Co Ltd Electrical connector
US7722393B1 (en) * 2008-12-01 2010-05-25 Cheng Uei Precision Industry Co., Ltd. Battery connector
US20100291776A1 (en) * 2009-05-13 2010-11-18 Sheng-Yuan Huang Board-To-Board Connector Assembly
JP2011249076A (en) * 2010-05-25 2011-12-08 Fujitsu Component Ltd Floating connector
CN204030057U (en) * 2014-07-22 2014-12-17 实盈电子(东莞)有限公司 A kind of Board-to-Board Electrical Connector
CN205122852U (en) * 2015-11-18 2016-03-30 苏州奥奇斯电子科技有限公司 Female end of battery connector
CN106299783A (en) * 2016-09-22 2017-01-04 深圳市深台帏翔电子有限公司 Adapter
TWM563683U (en) * 2018-03-15 2018-07-11 宏致電子股份有限公司 Grounding structure of electrical connector
US20190326690A1 (en) * 2018-04-24 2019-10-24 Lotes Co., Ltd Electrical connector
CN110416770A (en) * 2018-04-26 2019-11-05 广濑电机株式会社 Circuit board electrical connector
CN209329318U (en) * 2018-12-28 2019-08-30 富士康(昆山)电脑接插件有限公司 Electric connector and its docking connector
CN111342255A (en) * 2020-03-06 2020-06-26 东莞市鼎特电子科技有限公司 Floating connector

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